Patents Issued in June 18, 2020
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Publication number: 20200190255Abstract: The invention pertains to an improved branched glycolic acid copolymer, comprising recurring units derived from an aromatic dicarboxylic acid, which has an appropriate rheological profile so as to be successfully used in combination with standard polyester resins for obtaining multi-layer containers having thin barrier layers.Type: ApplicationFiled: December 19, 2017Publication date: June 18, 2020Inventors: Ishan MEHTA, Gururajan PADMANABAN, Kanu BARAD, Yves VANDERVEKEN
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Publication number: 20200190256Abstract: A liquid crystal polymer including structural units derived from an aromatic hydroxy carboxylic acid in an amount of greater than about 30 mol % and less than or equal to about 50 mol %, an aromatic dicarboxylic acid which includes about 50 mol % or greater of a structural unit derived from a compound including two carboxyl groups at a meta-position of an aromatic ring in an amount greater than or equal to about 50 mol % of the amount of the structural unit derived from the aromatic hydroxy carboxylic acid, each based on total moles of the structural units in the liquid crystal polymer, and an aromatic diol that is 4,4?-dihydroxybiphenyl, hydroquinone, or a combination thereof; a composite composition including the liquid crystal polymer, an article produced from the liquid crystal polymer or the composite composition, a battery case including the article, and a battery including the battery case and an electrode assembly.Type: ApplicationFiled: November 19, 2019Publication date: June 18, 2020Inventors: In Ki KIM, Feifei FANG, In Su LEE, Hyoungwoo CHOI, In KIM, Kyeong PANG, Sung Dug KIM
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Publication number: 20200190257Abstract: The present invention relates to a polyester consisting of (A) repeat units derived from an acid component, which consists of (a1) 2,5-furandicarboxylic acid, (a2) an aliphatic C4-C36 dicarboxylic acid or a mixture of a plurality of aliphatic C4-C36 dicarboxylic acids, and (a3) a sulfonate group-containing dicarboxylic acid, and of (B) repeat units derived from a di-ol/amine component, and optionally of further repeat units (C) and/or branching components (E), and of (D) repeat units derived from at least one di- or oligofunctional compound selected from the group consisting of a di- or oligoisocyanate and a di- or oligoisocyanurate. In addition, the present invention relates to the production of these polyesters and their use.Type: ApplicationFiled: May 2, 2018Publication date: June 18, 2020Inventors: Michael Bernhard Schick, Motonori Yamamoto
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Publication number: 20200190258Abstract: The present invention is directed to an improved purification process using additive and activated carbon for purifying resorbable polymers suitable for industrial manufacturing. The metal catalyst concentration in the purified resorbable polymers of this invention is preferably less than 1 ppm. The method can be used to obtain high molecular weight polymers that are substantially metal free.Type: ApplicationFiled: August 31, 2018Publication date: June 18, 2020Inventors: Jie Lu, Boris Obermeier, Regina Arnold-Stanton, Adolphus G. Jones
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Publication number: 20200190259Abstract: According to one embodiment, a polyester resin is provided, which includes a structural unit derived from a compound represented by general formula (1), a structural unit derived from a compound represented by general formula (2), and a structural unit derived from a dicarboxylic acid or a derivative thereof.Type: ApplicationFiled: February 25, 2020Publication date: June 18, 2020Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Noriyuki KATO, Hirohito ISHIZUKA, Munenori SHIRATAKE, Kentaro ISHIHARA
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Publication number: 20200190260Abstract: An alkyloxirane derivative represented by formula (1), wherein MH and ML calculated from a gel permeation chromatogram satisfy formula (2): Z—[O-(AO)n-H]x??(1) where Z represents a residual group of a compound having 1 to 22 carbon atoms and one to six hydroxyl groups and wherein all of the hydroxyl groups are excluded from said compound; x is 1 to 6; and AO represents an oxyalkylene group having 3 carbon atoms; and n is 25 or more; 0.35?ML/MH?0.75??(2) where MH represents a distance between point O and intersecting point P, and ML represents a distance between point Q and intersecting point P determined from the chromatogram.Type: ApplicationFiled: August 4, 2017Publication date: June 18, 2020Applicant: NOF CORPORATIONInventors: Yusuke HARA, Kazuaki WAKITA, Mitsushi KUSUMOTO, Megumi NAGAYAMA, Shunsuke MONJIYAMA, Aiko YAMANAKA, Hideki KAWAMOTO
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Publication number: 20200190261Abstract: The invention relates to a method for adding a compound (A) to an H-functional starting compound (BH) in the presence of a catalyst, wherein the at least one compound (A) is selected from at least one group consisting of alkylene oxide (A-1), lactone (A-2), lactide (A-3), cyclic acetal (A-4), lactam (A-5), cyclic anhydride (A-6) and oxygen-containing heterocyclic compound (A-7) different from (A-1), (A-2), (A-3), (A-4) and (A-6), wherein the catalyst comprises an organic, n-protic Brønsted acid (C), wherein n?2 and is an element of the natural numbers and the degree of protolysis D is 0<D<n, with n as the maximum number of transferable protons and D as the calculated proton fraction of the organic, n-protic Brønsted acid (C). The invention further relates to an n-protic Brønsted acid (C) having a degree of protolysis D of 0<D<n, wherein n is the maximum number of transferable protons, with n=2, 3 or 4, and D is the calculated proton fraction of the organic, n-protic Brønsted acid (C).Type: ApplicationFiled: August 9, 2017Publication date: June 18, 2020Inventors: Christoph GÜRTLER, Thomas Ernst MÜLLER, Jörg HOFMANN, Jens LANGANKE, Matthias LEVEN, Walter LEITNER
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Publication number: 20200190262Abstract: An article may include a polyamide composition comprising at least one modified polyamide produced by polymerizing polyamide precursors in a polymerization reactor to form a polyamide and adding, before, during, or at the end of polymerization, a polyhydric alcohol comprising at least three hydroxyl groups to the precursors and/or polyamide in the polymerization reactor.Type: ApplicationFiled: February 26, 2020Publication date: June 18, 2020Applicant: PERFORMANCE POLYAMIDES, SASInventors: Stephane Jeol, Thierry Badel
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Publication number: 20200190263Abstract: A composition comprising at least one terminally-unsaturated diarylsulfide compound represented by the formula: wherein each R represents an allyl group or a propargyl group. The composition may further comprise an organic polythiol, and optionally a free-radical initiator, and may be formulated as a two-part polymerizable composition. Methods of polymerizing the compositions are also disclosed.Type: ApplicationFiled: July 17, 2018Publication date: June 18, 2020Inventors: Wayne S. Mahoney, Saswata Chakraborty, Guy D. Joly, Jonathan A. Anim-Addo
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Publication number: 20200190264Abstract: The present invention relates to a process for the preparation of a polyarylethersulfone-polyalkylene oxide block copolymer (PPC) by converting a reaction mixture (RG) which comprises, among others, at least one aromatic dihalogen sulfone, at least one dihydroxy component comprising trimethylhydroquinone and at least one polyalkylene oxide. The present invention furthermore relates to a polyarylethersulfone-polyalkylene oxide block copolymer (PPC) obtainable by the inventive process and to its use in a membrane (M) and to a membrane (M) comprising the polyarylethersulfone-polyalkylene oxide block copolymer (PPC). Furthermore, the present invention relates to a method for the preparation of a membrane (M).Type: ApplicationFiled: July 12, 2018Publication date: June 18, 2020Applicant: BASF SEInventors: Martin WEBER, Kai-Uwe SCHOENING, Christian MALETZKO
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Publication number: 20200190265Abstract: The present disclosure relates to biodegradable and biocompatible dendritic repeating unit/scaffold (bRU), to a method of: synthesis of biodegradable and biocompatible dendritic repeating unit/scaffold (bRU) and to the biomedical applications of biodegradable and biocompatible dendritic repeating unit/scaffold (bRU).Type: ApplicationFiled: May 23, 2017Publication date: June 18, 2020Inventors: Ana Paula PÊGO, Victoria LEIRO, Eduardo FERNANDEZ MEGIA, Ricardo RIGUERA VEGA
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Publication number: 20200190266Abstract: A hydrogel has water, a polyvinylsulfonic acid-based polymer, and a polymer matrix containing the water and the polyvinylsulfonic acid-based polymer, in which the polymer matrix contains a copolymer of a monofunctional monomer having one ethylenically unsaturated group and a polyfunctional monomer having 2 to 6 ethylenically unsaturated groups, the copolymer has a hydrophilic group binding to its main chain, the polymer matrix is contained in an amount of 2 to 80 parts by mass in 100 parts by mass of the hydrogel, a polymer derived from the polyfunctional monomer is contained in a proportion of 0.1 to 5 parts by mass in 100 parts by mass of the copolymer, the polyvinylsulfonic acid-based polymer is contained in an amount of 0.1 to 150 parts by mass in 100 parts by mass of the polymer matrix, and the polyvinylsulfonic acid-based polymer has a weight average molecular weight of 200,000 to 3,000,000.Type: ApplicationFiled: May 18, 2018Publication date: June 18, 2020Applicant: SEKISUI PLASTICS CO., LTD.Inventors: Ryo AKUTA, Koichiro OKAMOTO
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Publication number: 20200190267Abstract: A process for preparing a polyolefin composition including the steps of supplying a bimodal or multimodal polyolefin in form of a polyolefin powder having an mass-median-diameter D50 in the range from 300 ?m to 2500 ?m and one or more additives to a mixing device, mixing the polyolefin powder and the additives at a temperature from 10° C. to 120° C., transferring the mixture into a extruder device, melting and homogenizing the mixture within the extruder device to form a molten polyolefin composition, and pelletizing the molten polyolefin composition.Type: ApplicationFiled: August 30, 2018Publication date: June 18, 2020Applicant: Basell Polyolefine GmbHInventors: Decio Malucelli, Marco Consalvi, Gerhardus Meier, Ulf Schueller
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Publication number: 20200190268Abstract: Methods, systems, and devices for synthesis, mechanics, and direct-write additive manufacturing of cellulose nanocrystal (CNC) composites that exhibit characteristics of high-performance structural materials are provided. The methods, systems, and devices allow for formulation, processing, and bulk fabrication of highly-filled nanocomposites having high hardness and toughness. In some embodiments, a precursor that includes a nanomaterial and one or more monomers is formulated and passed through an extruder to form a physical gel. The physical gel can undergo a dual cure process that includes an initial UV cure and a subsequent thermal cure to crosslink the polymer with the CNC to form the highly-filled nanocomposite. The CNC composite can then be used in the manufacturing process. In some embodiments, the interfacial mechanics and fracture characteristics of the composite can be tuned to improve the mechanical properties of the composite.Type: ApplicationFiled: December 12, 2019Publication date: June 18, 2020Inventors: Abhinav Rao, Anastasios John Hart
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Publication number: 20200190269Abstract: Provided is a process for preparing a PVDC additive blend in which an additive is blended with PVDC under high shear blending to produce a highly uniform blend in which the additive is homogeneously distributed throughout the PVDC. It has been found that performing high shear blending in multiple successive stages in which the concentration of the additive in the blend is reduced in each successive stage helps in prove the uniformity of the PVDC additive blend. For example, the high shear blending may be carried out in 2 to 6 stages, and in particular, from 2 to 4 stages. Also provided is a PVDC additive blend having a uniform blend of PVDC and an additive, such as a blend of a PVDC copolymer of vinylidene chloride and methyl acrylate and a fluorescing agent, such as 2,2?(2,5-thiophenylendiyl)bis(5-tert-butylbenzoxazole).Type: ApplicationFiled: June 29, 2018Publication date: June 18, 2020Inventors: Solomon Bekele, Matthew D. Dawe
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Publication number: 20200190270Abstract: Disclosed herein are polysaccharide-elastomer masterbatch compositions and processes for preparing the masterbatch compositions. One method comprises a step of a) mixing i) an aqueous polysaccharide dispersion, or ii) a basic aqueous polysaccharide solution, with a rubber latex solution containing a rubber component to form a mixture. The method further comprises the steps of: b) coagulating the mixture obtained in step a) to produce a coagulated mass; and c) drying the coagulated mass obtained in step b). The masterbatch compositions are useful in preparing rubber-containing articles.Type: ApplicationFiled: June 27, 2018Publication date: June 18, 2020Inventors: Natnael Behabtu, Jeffrey S. Downey, Christian Peter Lenges, Tizazu H. Mekonnen
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Publication number: 20200190271Abstract: A process for making microwave-irradiated nanocomposites comprising graphene nanoplatelets dispersed in a polymer matrix, showing improved structural and electrical properties, is provided. The nanocomposites may be made using a solution casting technique, and may have a bilayer structure comprising a graphene-enriched layer in contact with a polymer-enriched layer. The nanocomposite may be used as a shielding material on electrical devices to decrease electromagnetic interference.Type: ApplicationFiled: February 25, 2020Publication date: June 18, 2020Applicant: King Fahd University of Petroleum and MineralsInventors: Mamdouh Al-Harthi, Hafiz Muhammad Afzal
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Publication number: 20200190272Abstract: A structural reinforcement for an article including a carrier (10) that includes: (i) a mass of polymeric material (12) having an outer surface; and (ii) at least one fibrous composite Insert (14) or overlay (980) having an outer surface and including at least one elongated fiber arrangement (e.g., having a plurality of ordered fibers). The fibrous Insert (14) or overlay (980) is envisioned to adjoin the mass of the polymeric material in a predetermined location for carrying a predetermined load that Is subjected upon the predetermined location (thereby effectively providing localized reinforcement to that predetermined location). The fibrous insert (14) or overlay (980) and the mass of polymeric material (12) are of compatible materials, structures or both, for allowing the fibrous insert or overlay to be at least partially joined to the mass of the polymeric material. Disposed upon at least a portion of the carrier (10) may be a mass of activatable material (126).Type: ApplicationFiled: February 24, 2020Publication date: June 18, 2020Inventors: Henry E. Richardson, Sylvain Gleyal
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Publication number: 20200190273Abstract: A process for producing a composite material, said process comprising the following steps of a) providing a polymer, b) providing natural fibers, c) preparing a composite material from said fibers and said thermoplastic polymer, said process being characterized in that the polymer is a thermoplastic polyester comprising at least one 1,4: 3,6-dianhydrohexitol unit (A), at least one alicyclic diol unit (B) other than the 1,4: 3,6-dianhydrohexitol units (A), at least one terephthalic acid unit (C), wherein the (A)/[(A)+(B)] ratio is at least 0.05 and at most 0.75, said polyester not containing any aliphatic non-cyclic diol units or comprising a molar amount of aliphatic non-cyclic diol units, relative to all the monomer units of the polyester, of less than 5%, and the reduced viscosity in solution (25° C.; phenol (50% m): ortho-dichlorobenzene (50% m); 5 g/l of polyester) of which is greater than 50 ml/g.Type: ApplicationFiled: May 7, 2018Publication date: June 18, 2020Inventors: Hélène AMEDRO, Jean-Marc CORPART, Nicolas JACQUEL, René SAINT-LOUP
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Publication number: 20200190274Abstract: A method of manufacturing a laminate comprises providing a binder impregnated core layer by impregnating at least one fibrous layer with an aqueous core binder solution having a viscocity in the range 75 cP to 500 cP at a temperature of 20° C. and a bake-out solid content in the range 40 wt % to 85 wt %, in which the aqueous core binder solution comprises (i) at least 25% by dry weight of a) reducing sugar reactant(s) and nitrogen-containing reactant(s) and/or b) curable reaction product(s) of reducing sugar reactant(s) and nitrogen-containing reactant(s); and (ii) between 5% and 15% by weight of a non-aqueous solvent based on the total weight of the aqueous binder solution; providing a semi-finished assembly by assembling the binder impregnated core layer with a surface layer; and applying heat and pressure to the semi-finished assembly to cure the binder in the binder impregnated core layer and secure the core layer and the surface layer together.Type: ApplicationFiled: February 21, 2020Publication date: June 18, 2020Inventors: Tony SCOTT, Daniel RUXTON
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Publication number: 20200190275Abstract: The present invention is a composite stretchable film including: a surface film which is a cured product of a polyurethane 1 containing a copolymer of one or more of units “a1” to “a4” and silicone-pendant type urethane units “b1” and/or “b2” represented by the following general formula (1); and an inner film which is a cured product of a polyurethane 2 containing a unit “c” having polyether and urethane bonds represented by the following general formula (2), on which the surface film is laminated. The present invention provides a stretchable film that has excellent stretchability and strength, with the film surface having excellent water repellency, and a method for forming the same.Type: ApplicationFiled: November 4, 2019Publication date: June 18, 2020Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Jun HATAKEYAMA, Motoaki IWABUCHI, Joe IKEDA
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Publication number: 20200190276Abstract: A superhydrophobic appliance is an elastomeric material with a surface having a multiplicity of re-entrant features. The elastomeric material can be a polydimethylsiloxane network. The superhydrophobic appliance can be formed by infusing a portion of a polydimethylsiloxane polymeric precursor partially into the pores of a porous membrane, curing to the polymeric network, and separating the membrane from the appliance to expose the superhydrophobic surface. The superhydrophobic surface can be subsequently modified to form a fluorinated surface that is oleophobic or superoleophobic in addition to being superhydrophobic.Type: ApplicationFiled: December 16, 2019Publication date: June 18, 2020Inventors: Wolfgang M. SIGMUND, Shu-Hau HSU, Ravi Kumar VASUDEVAN
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Publication number: 20200190277Abstract: Described herein are articles and methods of making articles, including a transparent composite film having a fiber filler embedded in a polymer network and further including a hard coating. The polymer network of the film is a cured, cross-linked matrix. The hard coating is a cross-linked aromatic urethane acrylate oligomer and a photoinitiator and provides a flexible protective layer that maintains good hardness, puncture-resistance and scratch-resistance.Type: ApplicationFiled: April 23, 2018Publication date: June 18, 2020Inventors: Jun Hou, Kevin Robert McCarthy
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Publication number: 20200190278Abstract: A supported elastomeric foam (100) includes an elastomeric matrix (102) formed of an elastomer and including a reinforcement region (104) and a foamed region (106). The foamed region includes gas filled cells (108) in the elastomer, and the reinforcement region includes a porous layer having an interconnected network of pores at least partially imbibed with the elastomer. The foam can include an adhesive at a surface of the foam. A compressible seal including a compressible body, which can be elastomeric foam, can also include a pattern of discontinuous adhesive regions about which the compressible body can deform to form a seal.Type: ApplicationFiled: October 4, 2017Publication date: June 18, 2020Inventors: John Gardner, Amadeus Wiesemann
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Publication number: 20200190279Abstract: The present invention relates to a new liquid composition comprising biological entities having a polymer-degrading activity, a carrier and a solvent that may be advantageously used for the manufacture of a biodegradable plastic product.Type: ApplicationFiled: August 31, 2018Publication date: June 18, 2020Inventors: ELODIE GUEMARD, MEDIHA DALIBEY
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Publication number: 20200190280Abstract: The present invention provides a method for manufacturing textile waste into fiber grade polyester chips applicable to textile processing. The method comprises textile waste crushing, alcoholysis, filtering and separation, cooling crystallization, pressing, decoloration, distillation purification, preheating, prepolycondensation, polycondensation, cooling strip casting, and cutting into particles. By reducing textile waste to high purity bis(2-hydroxyethyl)terephthalate (hereinafter referred to as BHET), fiber grade polyester chips applicable to textile processing are re-manufactured. Thus, efficient recycling is achieved.Type: ApplicationFiled: May 4, 2018Publication date: June 18, 2020Inventors: Shuguang LIN, Xingguang DONG, Junsheng LUO, Zhengqi ZHOU
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Publication number: 20200190281Abstract: A method is provided for synthesizing PLA/apatite composites with improved mechanical strength. In one aspect, a calcium-phosphate/phosphonate hybrid shell is developed to incorporate more reactive hydroxyl groups onto hydroxyapatite (HA) particles. PLA is covalently bonded to HA calcium phosphate hybrid shell, creating a strong interphase between HA and PLA, thus significantly improve the mechanical strength in comparison to that of non-modified HA.Type: ApplicationFiled: July 24, 2019Publication date: June 18, 2020Applicant: Howard UniversityInventors: Tongxin Wang, James W. Mitchell
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Publication number: 20200190282Abstract: A plasticizer composition and a resin composition including the same. The plasticizer composition includes a terephthalate-based material including a mixture of dibutyl terephthalate, butyl(2-ethylhexyl) terephthalate and di(2-ethylhexyl) terephthalate; and a triethylene glycol diester-based material including a mixture of triethylene glycol bis(2-ethylhexanoate), (2-ethylhexanoyloxy) triethylene glycol benzoate and triethylene glycol dibenzoate. A material prepared from the resin composition has excellent mechanical properties, such as tensile strength, elongation rate, modulus, transmittance, transparency and plasticization efficiency.Type: ApplicationFiled: December 4, 2018Publication date: June 18, 2020Inventors: Hyun Kyu KIM, Seok Ho JEONG, Yun Ki CHO, Jeong Ju MOON, Joo Ho KIM
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Publication number: 20200190283Abstract: The invention relates to a composition comprising: a) a propylene homopolymer or propylene-ethylene copolymer having an ethylene content of at most 1.5 wt % based on the weight of the propylene-ethylene copolymer, said a propylene homopolymer or propylene-ethylene copolymer having: i) a Mw/Mn in the range of 4.0 to 12, wherein Mw stands for the weight average molecular weight and Mn stands for the number average molecular weight and wherein Mw and Mn are measured according to ASTM D6474-12; ii) an XS in the range from 1.0 to 8.0 wt %, wherein XS stands for the amount of xylene solubles which are measured according to ASTM D 492-10; and iii) a melt flow rate in the range of 1 to 10 dg/minas measured according to ISO1133:2011(2.16 kg/230° C.); b) a first additive, being one or more tocopherols and/or one or more tocotrienols; and c) a second additive, being an organic acid scavenger.Type: ApplicationFiled: April 26, 2018Publication date: June 18, 2020Applicant: Sabic Global Technologies B.V.Inventors: Sarah van MIERLOO, Patrick VOETS
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Publication number: 20200190284Abstract: Provided are a curing accelerator for an oxidative polymerization type unsaturated resin having a high curing accelerating ability, and a printing ink and a coating material. Specifically, there are provided a curing accelerator for an oxidative polymerization type unsaturated resin, containing a metal complex (?) having an anion compound (?) represented by the following structural formula (1-1) or (1-2) as a ligand: wherein R1 is any one of a hydroxyl group, an amino group, a nitro group, a nitroso group, a sulfo group, a halogen atom, a hydrocarbon group which may have a substituent, a hydrocarbon oxy group which may have a substituent, and a hydrocarbon oxycarbonyl group which may have a substituent, m is 0 or an integer of 1 to 3, n is 0 or an integer of 1 to 6, and X is any one of a carboxylate group, a hydrogen atom, and the R1 group.Type: ApplicationFiled: May 15, 2018Publication date: June 18, 2020Applicant: DIC CorporationInventors: Akinori TAKAHASHI, Takayuki ODASHIMA
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Publication number: 20200190285Abstract: A binder composition comprising a rust inhibitor having a sulfur atom in the molecule, and a carboxyl group-containing polymer.Type: ApplicationFiled: August 9, 2018Publication date: June 18, 2020Applicant: Nippon Shokubai Co., Ltd.Inventors: Yuichi Kawata, Ikuo Shimizu
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Publication number: 20200190286Abstract: A mono or multi-layer polyester film is described. Also described, is a process for producing the mono or multi-layer polyester film, the use of a surface-treated filler material product as a voiding agent in the mono or multi-layer polyester film, and an article including the mono or multi-layer polyester film. Further, use of the mono or multi-layer polyester film is described in packaging products, insulating materials, solar, marine or aviation applications, science, electronic or acoustic applications, wires, cables, radio frequency identifications, flexible circuits, graphic arts, stone paper, holograms, filter products, cosmetic products, household products, imaging, recording media, or industrial products.Type: ApplicationFiled: December 19, 2017Publication date: June 18, 2020Inventors: Martin BRUNNER, Michael KNERR, Michael TINKL, Karsten Udo SCHULZ
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Publication number: 20200190287Abstract: An additive for incorporating ultraviolet radiation protection into a synthetic polymer with the additive and the synthetic polymer for forming a synthetic material has a quantity of zinc oxide particles modified with a layer of a reactive group that forms a bond with a synthetic polymer having C—H bonds. A product for incorporating ultraviolet radiation protection into a synthetic polymer prior to forming a synthetic material has a quantity of a synthetic polymer and a quantity of zinc oxide particles modified with a layer of a reactive group that forms a bond with the quantity of the synthetic polymer.Type: ApplicationFiled: November 8, 2019Publication date: June 18, 2020Inventors: Robert B. Kramer, Ronald Kramer, Nicholas Marshall
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Publication number: 20200190288Abstract: Core particles produced in situ or introduced as preformed core particles are coated with a layer of carbon. Non-carbon as well as some carbon-based core materials can be utilized. The resulting carbon coated particles can find applications in rubber products, for instance as reinforcement for tire components.Type: ApplicationFiled: November 23, 2019Publication date: June 18, 2020Inventors: David M. Matheu, Theis F. Clarke, David S. Crocker, Frederick H. Rumpf, David C. Reynolds, Dhaval A. Doshi, Martin C. Green
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Publication number: 20200190289Abstract: A rubber composition for a tennis ball includes a base rubber and a high-flatness filler. The high-flatness filler has an average particle diameter D50 of not less than 1 ?m and not greater than 50 ?m. A degree of flatness DL is not less than 40 and not greater than 200. An amount of the high-flatness filler per 100 parts by weight of the base rubber is not less than 5 parts by weight and not greater than 100 parts by weight. A ratio (E2/E1) of a tensile elastic modulus E2 in a tensile strain range from 70% to 100% to a tensile elastic modulus E1 in a tensile strain range from 10% to 30%, of a vulcanized rubber obtained by vulcanizing the rubber composition, is not less than 0.60 and less than 1.00. The tennis ball includes a hollow core formed from the rubber composition.Type: ApplicationFiled: December 3, 2019Publication date: June 18, 2020Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Takehiko HYODO, Masanori TAGUCHI, Kazuyoshi SHIGA, Fumiya SUZUKI, Hiroaki TANAKA, Kunio NIWA
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Publication number: 20200190290Abstract: To provide a rubber composition that achieves all the durability, the energy saving capability, and the rolling dimensional stability. A rubber composition containing: a diene polymer (A); carbon black (B) containing carbon black (b-1) having a nitrogen adsorption specific surface area of more than 100 m2/g and a dibutyl phthalate oil absorption of 100 to 140 mL/100 g, and carbon black (b-2) having a nitrogen adsorption specific surface area of less than 60 m2/g and a dibutyl phthalate oil absorption of 110 mL/100 g or more; sulfur (C); and a vulcanization accelerator (D), a total content of the carbon black (b-1) and the carbon black (b-2) being 25 to 55 parts by mass per 100 parts by mass of the diene polymer (A), a content of the vulcanization accelerator (D) being 1.5 to 2.5 parts by mass per 100 parts by mass of the diene polymer (A), a content of sulfur (C) in terms of mass ratio with respect to the vulcanization accelerator (D) (sulfur/vulcanization accelerator) being 0.4 to 0.8.Type: ApplicationFiled: February 25, 2020Publication date: June 18, 2020Applicant: BRIDGESTONE CORPORATIONInventor: Tetsuya ISHIKAWA
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Publication number: 20200190291Abstract: A masterbatch manufacturing method in accordance with the present disclosure comprises an operation in which pre-coagulation rubber latex comprising filler is coagulated to obtain a coagulum; an operation in which the coagulum is dewatered; and an operation in which the dewatered coagulum is plasticized as it is dried by means of an extruder; wherein, during the operation in which the dewatered coagulum is plasticized as it is dried, the coagulum comprises a peptizing agent.Type: ApplicationFiled: July 11, 2017Publication date: June 18, 2020Applicant: TOYO TIRE CORPORATIONInventor: Akihito Mitsui
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Publication number: 20200190292Abstract: A rubber composition based on at least: from 50 to 100 phr of one or more diene elastomers, referred to as very low glass transition temperature (Tg) diene elastomers, having a Tg within a range of from ?110° C. to ?70° C., selected from butadiene homopolymers, copolymers of butadiene and of a vinylaromatic monomer, having a content of vinylaromatic units of between 0 and 5% by weight, and mixtures thereof a reinforcing filler a crosslinking system; and from 40 to 150 phr of at least one hydrogenated hydrocarbon resin predominantly composed of units derived from C9 monomers, the resin having a content of aromatic protons of less than 25% and a content of ethylenic protons of less than 1%.Type: ApplicationFiled: December 5, 2017Publication date: June 18, 2020Inventors: BENOIT DE GAUDEMARIS, PHILIPPE LABRUNIE
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Publication number: 20200190293Abstract: An object of the present disclosure is to provide a rubber composition having satisfactorily low hysteresis loss, while maintaining high wear resistance. In order to achieve the object, a rubber composition contains: a rubber component having diene-based rubber therein; and a tetrazine compound.Type: ApplicationFiled: April 4, 2018Publication date: June 18, 2020Applicant: BRIDGESTONE CORPORATIONInventors: Takumi TODA, Kenta ISHIBASHI, Hidenobu AKAHANE, Seiichi TAHARA, Ryota SONE
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Publication number: 20200190294Abstract: Rubber compound for the preparation of a tread portion of a pneumatic tyre comprising at least a cross-linkable unsaturated chain polymer base, a filler and a vulcanization system and a wax composed of at least 50% by weight of nonacosanediols.Type: ApplicationFiled: April 24, 2018Publication date: June 18, 2020Applicant: BRIDGESTONE CORPORATIONInventors: Pasquale AGORETTI, Claudio D'ALFONSO
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Publication number: 20200190295Abstract: The polyisoprene-containing latex composition of the present it comprises the following components (a) and (b): (a) zinc ethylphenyldithiocarbarrote; and (b) 1-o-tolylbiguanide. Thus, a molded article of the latex composition has high tensile strength. Further, even after the latex composition is stored for a longer period of time than before, a decrease in the tensile strength of the obtained molded article is suppressed.Type: ApplicationFiled: August 20, 2018Publication date: June 18, 2020Applicant: SUMITOMO SEIKA CHEMICALS CO., LTD.Inventors: Kouhei SAWADA, Hiromasa MIYAZAKI, Norihiro SUGIHARA
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Publication number: 20200190296Abstract: The invention relates to an elastomeric film-forming composition (a) a carboxylated butadiene-based elastomer, (b) polychlorobutadiene in an amount of less than 30% by weight of the polymer content of the composition, and (c) one or more cross-linking agents. The invention also relates to dipped articles, gloves, methods of manufacture and uses involving the composition.Type: ApplicationFiled: December 22, 2017Publication date: June 18, 2020Applicant: SKINPROTECT CORPORATION SDN BHDInventors: Khon Pu Foo, Kumaresan Prabhakaran
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Publication number: 20200190297Abstract: Crumb rubber obtained from recycled tires is subjected to an interlinked substitution process. The process utilizes a reactive component that interferes with sulfur bonds. The resulting treated rubber exhibits properties similar to those of the virgin composite rubber structure prior to being granulated, and is suitable for use in fabricating new tires, engineered rubber articles, and asphalt rubber for use in waterproofing and paving applications.Type: ApplicationFiled: February 27, 2020Publication date: June 18, 2020Inventor: William B. Coe
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Publication number: 20200190298Abstract: A resin molded body includes: a polyolefin element formed of polyolefin, including a crystalline region and an amorphous region; and a hydrophilic copolymer contained in at least part of a surface of the polyolefin element, the hydrophilic copolymer including a copolymer of 2-methacryloyloxyethyl phosphorylcholine (MPC) of 45% or greater on a mole fraction basis and at least one other monomer. In the resin molded body, the MPC polymer is immersed through the surface by applying heat treatment.Type: ApplicationFiled: March 20, 2018Publication date: June 18, 2020Applicants: KYOCERA Corporation, The University of TokyoInventors: Masayuki KYOMOTO, Kazuhiko ISHIHARA
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Publication number: 20200190299Abstract: A cellulose-fiber-dispersing polyolefin resin composite material, containing a polyolefin resin and a cellulose fiber dispersed in the polyolefin resin, in which the composite material contains the cellulose fiber of 3 mass % or more and less than 70 mass %, and when the composite material is subjected to the abrasion test according to ISO 6722 under the following test conditions, the amount of abrasion after 5,000 reciprocations satisfies the [Formula 1]: (Amount of abrasion [mm] of the cellulose-fiber-dispersing polyolefin resin composite material)<?0.003×(Cellulose effective mass ratio of the cellulose-fiber-dispersing polyolefin resin composite material)+0.3, [Test Conditions for Abrasion Test] Load: 1.7 kg, Needle diameter: ?0.45 mm, Stroke length: 10 mm, Period: 60 reciprocations/min, Test piece: length 38 mm×width 6 mm×thickness 1 mm, Temperature: 23° C.Type: ApplicationFiled: February 21, 2020Publication date: June 18, 2020Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Jirou HIROISHI, Hidekazu HARA, Yuka SAWADA, Masami TAZUKE, Toshihiro SUZUKI
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Publication number: 20200190300Abstract: A resin molded article including an ethylene vinyl acetate copolymer resin and carbon black as primary components. After the resin molded article is heated from 25 degrees Celsius to 100 degrees Celsius and then cooled to 25 degrees Celsius, the shrinkage factor of the resin molded article at 25 degrees Celsius cooled after heated to 100 degrees Celsius relative to the resin molded article at 25 degrees Celsius before heated is less than or equal to 2.0%.Type: ApplicationFiled: December 9, 2019Publication date: June 18, 2020Inventors: Akira Yane, Kento Tsuda, Daisuke Tanaka
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Publication number: 20200190301Abstract: There is provided an elastomer composition which can be molded like a thermoplastic resin by using a conventional plastics processing equipment, and has a very small compression set like a vulcanized rubber. The elastomer composition comprises: 100 parts by mass of an ethylene/?-olefin copolymer (A); 10 to 150 parts by mass of a propylene-based resin (B); and 5 to 150 parts by mass of a non-aromatic softener for rubber (C); 0.03 to 1 parts by mass of an organic peroxide (D); 0.5 to 7 parts by mass of a silane coupling agent (E); 0 to 2 parts by mass of a crosslinking aid (F); and 0 to 100 parts by mass of an inorganic filler (G).Type: ApplicationFiled: October 12, 2017Publication date: June 18, 2020Applicant: RIKEN TECHNOS CORPORATIONInventors: Kouichi YAMAMOTO, Rikuo SHIMIZU
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Publication number: 20200190302Abstract: A polypropylene composition containing glass fiber fillers, having a high Melt Flow Rate (MFR) and a good balance of mechanical properties. The compositions show excellent mechanical (high stiffness and ductility) and thermal properties (low shrinkage) while displaying a boost of the final MFR, notwithstanding the presence of glass fibers.Type: ApplicationFiled: October 31, 2017Publication date: June 18, 2020Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: CLAUDIO CAVALIERI, MICHELE GRAZZI, RAINER KOEHLER, JURGEN ROHRMANN
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Publication number: 20200190303Abstract: A polyolefin composition made from or containing (A) at least one polyolefin, (B) up to 50.0% by weight of a filler, and (C) from 0.05 to 2.5% by weight of at least one cyclodextrin, wherein the sum of (A)+(B)+(C) is equal to 100 weight percent, based on the total weight of the polyolefin composition.Type: ApplicationFiled: June 8, 2018Publication date: June 18, 2020Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: JUERGEN ROHRMANN, MIKHAIL SERGEEVICH DUREEV
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Publication number: 20200190304Abstract: A method for forming a shaped part is provided. The method comprises melt blending a first polymer composition and a second polymer composition to form a molten blend, wherein the first polymer composition comprises a plurality of long inorganic fibers distributed within a first polymer matrix and the second polymer composition comprises a plurality of cellulosic fibers distributed within a second polymer matrix. The molten blend is injected into a mold cavity and cooled to form the shaped part.Type: ApplicationFiled: December 13, 2019Publication date: June 18, 2020Inventors: Paul Kenny, Robert Haught