Abstract: An esterified cellulose ether comprising aliphatic monovalent acyl groups and groups of the formula —C(O)—R—COOH, R being a divalent hydrocarbon group, has the following properties: i) the degree of neutralization of the groups —C(O)—R—COOH is not more than 0.4, ii) the total degree of ester substitution is from 0.10 to 0.70, and iii) the esterified cellulose ether has a solubility in water of at least 2.0 weight percent at 2 C.

Abstract: A composition comprising nanocellulose is disclosed, wherein the nanocellulose contains very low or essentially no sulfur content. The nanocellulose may be in the form of cellulose nanocrystals, cellulose nanofibrils, or both. The nanocellulose is characterized by a crystallinity of at least 80%, an onset of thermal decomposition of 300° F. or higher, and a low light transmittance over the range 400-700 nm. Other variations provide a composition comprising lignin-coated hydrophobic nanocellulose, wherein the nanocellulose contains very low or essentially no sulfur content. Some variations provide a composition comprising nanocellulose, wherein the nanocellulose contains about 0.1 wt % equivalent sulfur content, or less, as SO4 groups chemically or physically bound to the nanocellulose. In some embodiments, the nanocellulose contains essentially no hydrogen atoms (apart from hydrogen structurally contained in nanocellulose itself) bound to the nanocellulose.

Abstract: A process for producing chitin nanocrystals (ChNCs) involves contacting a chitinous material with a sufficient amount of an inorganic persulfate to produce chitin nanocrystals from the chitinous material. The process permits one-spot production of ChNCs from biomasses such as crustaceans, fungi, mushrooms, insects or mixtures thereof. Chitin nanocrystals produced by the process comprise surface carboxylic groups and are not initially deacetylated.

Abstract: In a first aspect, the present invention concerns a kit for a polymerizable composition comprising a portion A constituted by a composition comprising at least one monomer (a1) that is reactive towards a cationic species (b) or a Lewis or Brönsted acid species, and at least one co-initiator, and a portion B comprising at least one cationic salt (e) selected from the salts with formula S1, S3, and S4 shown and defined in claim 1. In a second aspect, the present invention concerns a method of producing a coating or a composite material starting from polymerizable composition comprising at least one salt (e) selected from the salts with formula S1, S2, S3, and S4 shown and defined in claim 10, said composition being polymerized without adding external heat thereto.

Abstract: The present specification relates to a (meth)acrylate compound, and a copolymer and a homopolymer including a repeating unit derived therefrom.

Abstract: The invention relates to a novel method for the continuous production of anionic polymers by radical polymerization. The polymers produced by said method have a controlled molecular weight.

Abstract: Amorphous propylene-ethylene copolymers are described herein that can include high amounts of ethylene and exhibit desirable softening points and needle penetrations. The desirable combinations of softening points and needle penetrations in these propylene-ethylene copolymers allow them to have a broad operating window. Due their broad operating window, the propylene-ethylene copolymers can be utilized in a wide array of applications and products, including hot melt adhesives.

Abstract: The polypropylene copolymer according to the present invention has a low melting point and also is excellent in the low temperature heat sealing effect, transparency and strength, and the film prepared therefrom can be effectively used as a sealing layer of the non-stretched polypropylene-based film.

Abstract: The instant invention provides a polymerization process for producing ethylene based polymers.

Abstract: A polyolefin having a density of greater than about 0.930 g/ml which when extruded at a temperature in the range of from about 590° F. to about 645° F. and then coated onto a substrate at a rate of from about 300 ft/min to about 1000 ft/min has an edge weave of from about 0 in/side to about 2.5 in/side and a neck-in of less than about 3.0 in/side.

Abstract: There is provided a vinyl alcohol-based polymer having an ethylenic double bond with a saponification degree of 70 mol % or more, wherein the vinyl alcohol-based polymer is water-soluble; a molar ratio of the ethylenic double bond to the total of vinyl alcohol units and vinyl acetate units is 0.05/100 to 2/100; and a limiting viscosity [?] and a weight-average molecular weight Mw of a vinyl ester-based polymer which is produced by esterifying the vinyl alcohol-based polymer satisfy the following formulas (1) and (2). 4.7?log Mw 6.3??(1) 0.60<(log [?]+3.75)/log Mw<0.

Abstract: Provided is a method of producing a polycarboxylic acid-based polymer, the method including adding a monomer composition containing an unsaturated monocarboxylic acid-based monomer and/or an unsaturated dicarboxylic acid-based monomer to a reaction vessel to perform a polymerization reaction, which enables effective suppression of the foaming of a polymerization reaction liquid. The method of producing a polycarboxylic acid-based polymer of the present invention is a method of producing a polycarboxylic acid-based polymer, the method including adding a monomer composition containing an unsaturated monocarboxylic acid-based monomer and/or an unsaturated dicarboxylic acid-based monomer to a reaction vessel to perform a polymerization reaction, the method further including adding a defoaming agent by a time when 100 mass % of a total amount of the monomer composition is added.

Abstract: The present invention relates to random copolymers obtainable by polymerization, the use of said random copolymers as soil release agents in laundry processes. Further aspects of the invention are a method for easier releasing soil from textiles in laundry processes and detergents containing said random copolymers.

Abstract: Provided is a cell adhesion inhibitor which exhibits low cytotoxicity and an excellent cell adhesion prevention effect; a tool and an apparatus each having a surface modified through application of the cell adhesion inhibitor thereto; a method for producing each of the surface-modified tool and apparatus; a biomedical structure and a production method therefor; and a microchannel device and a production method therefor. The invention provides a cell adhesion inhibitor comprising, as an active ingredient, a polymer comprising a repeating unit having a sulfinyl group in a side chain thereof.

Abstract: Methods are provided for surface-modifying a rubber vulcanizate or a thermoplastic resin. The methods allow these objects to have a chemically fixed surface layer that exhibits not only low adsorption or selective adsorption properties with respect to proteins and cells, but also excellent durability, instead of having a coating which has drawbacks such as reduction in properties due to separation or peeling of the coating. Included is a method for surface-modifying an object made of a rubber vulcanizate or a thermoplastic resin, the method including: a step 1 of forming polymerization initiation points on the surface of the object; and a step 2 of radically polymerizing a hydrophilic monomer starting from the polymerization initiation points by irradiation with UV light having a wavelength of 300 to 400 nm in the presence of an alkali metal salt to grow polymer chains on the surface of the object.

Abstract: Self-immolative polymers degrade by an end-to-end depolymerization mechanism in response to the cleavage of a stabilizing end-cap from the polymer terminus. Examples include homopolymers, mixed polymers including block copolymers, suitable for a variety of applications. A polyglyoxylate can be end-capped or capped with a linker as in a block copolymer.

Abstract: The present invention relates to a novel multipurpose polymer and a composition containing the same. The polymer and the composition of the present invention are very useful for preparing a semiconductor device having very good mechanical and optical properties.

Abstract: An epoxy group-terminated impact modifier is described, comprising the reaction product of a) two or more polyols, b) one or more polyisocyanates, and c) at least one epoxy resin comprising a primary or secondary hydroxy group-containing epoxy compound, wherein the polyols comprise a1) at least one polyether polyol and a2) at least one OH-terminated rubber, wherein the weight ratio of polyether polyol to OH-terminated rubber is in the range from 7:3 to 2:8; an isocyanate-terminated prepolymer as possible intermediate product is described; furthermore a method for producing same is described. The products obtained are suitable for improving the impact resistance of epoxy resin compositions, in particular of 1K or 2K epoxy resin adhesives.

Abstract: An epoxy resin composition including A) at least one epoxy compound, and B) a hardener composition including B1) from 0.1%-100% by weight of 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine, and B2) from 99.9%-0% by weight of at least one further diamine and/or polyamine, where the stoichiometric ratio of the epoxy groups of A) and the number of active hydrogen atoms of the functional groups of B) varies from 1:2 to 2:1.

Abstract: The invention relates to a polyester resin which is based on at least one fatty acid, with zero oil length (0%) or an oil length of between 0 and 35%, with a weight ratio of oxidizable fatty acids (monoacids), relative to the overall fatty acids, of 0 or greater than 0 and ranging up to 1, and which is based on an acid component comprising, in addition to the fatty acid, from 30% to 85% by weight, relative to the total weight of said resin, of rosin and/or of derivatives thereof bearing at least one carboxylic acid function.

Abstract: The present disclosure is directed, in part, to methods of synthesizing a poly(ethylene carbonate) polymer from the reaction of ethylene oxide (EO) and carbon dioxide (CO2) in the presence of a metal complex. The present disclosure also provides novel metal complexes. In one aspect, the metal complex is of the formula (I), wherein R1, R2, R3, M, X and Ring A are as defined herein.

Abstract: Polyimide formed from at least one dianhydride and at least one diamine, wherein at least 50 wt. % of the diamine is comprised of dimer fatty diamine, and a process of making the polyimide. The dianhydride is preferably a tetracarboxylic acid in which carbonyl groups are attached in pair to adjacent carbon atoms, and the dimer fatty diamine may be formed from a corresponding dimer fatty acid, especially the dimerisation products of C10 to C30 fatty acids such as oleic acid, linoleic acid, linolenic acid, palmitoleic acid, and elaidic acid. Also polyimide pre-polymer being polyamic acid formed by reaction of the dinhydride, and diamine comprised of dimer fatty diamine. The polyimide may be formed in to coatings, adhesives, or polymer films, said compositions in particular being self-healing.

Abstract: The present invention pertains among others to a method of preparing a biomass mash from a biomass comprising lignin. The invention also pertains to a biomass mash comprising reduced viscosity.

Abstract: A method for generating a dissolving rubber compound in asphalt is described. The method includes receiving an asphalt compound and heating the asphalt compound to approximately 320° F. to 420° F. The method then proceeds to add a tire rubber compound to the asphalt compound. The asphalt compound and the tire rubber compound are mixed for approximately 5 minutes to 240 minutes. The dissolved rubber compound is generated by heating a mixture of the asphalt compound and the tire rubber to approximately 525° F.-700° F. The dissolved rubber compound is then cooled.

Abstract: A low density coring material is described. In one embodiment, the low density coring material consists essentially of: about 40 to about 80 wt % resin; 0 to about 50 wt % monomer; 0 to about 5 wt % dispersion aid; 0 to about 5 wt % accelerator; about 3 to about 7 wt % microspheres; and about 1 to about 5 wt % catalyst; wherein a density of the cured coring material is less than about 5.0 lbs/gal. Composites made using the low density coring material and methods of making composites are also described.

Abstract: To provide a process for producing a fluorinated crosslinked product which is excellent in stability and produces less HF. A process for producing a fluorinated crosslinked product, which comprises irradiating a fluorinated polymer having a unit represented by the following formula (1), with active energy rays having a wavelength of from 150 to 300 nm: wherein X1 and X2 are each independently a hydrogen atom or a fluorine atom, Rf1 is a fluoroalkylene group or a fluoroalkylene group having at least two carbon atoms and an etheric oxygen atom between carbon-carbon atoms, Q1 is a single bond or an etheric oxygen atom, and Z1 is OH, OR1 or NR2R3, wherein R1 is an alkyl group, and R2 and R3 are each independently a hydrogen atom or an alkyl group.

Abstract: A method of making a nano-reinforcement filler material for an epoxy resin system for a composite structure is provided. The method includes forming a polymer suspension of polymer nanoparticles suspended in deionized (DI) water, and sonicating the polymer suspension. The method includes forming a graphene oxide (GO) suspension of GO sheets suspended in DI water, and sonicating the GO suspension. The method includes mixing the sonicated polymer suspension and the sonicated GO suspension to obtain a sonicated mixture. The method includes heating the sonicated mixture in an inert atmosphere at an effective temperature, and using an electrostatic process to uniformly wrap individual polymer nanoparticles with individual GO sheets, via an electrostatic interaction reaction, to obtain the nano-reinforcement filler material comprising polymer-GO core-shell nanoparticles. The method includes washing and drying the nano-reinforcement filler material, and using it in the epoxy resin system for the composite structure.

Abstract: A binary process for manufacturing dipped latex product. The binary process disclosed herein eliminates the influence of any level of pre-vulcanization on the outcome of the dipping process whether using natural or synthetic latex. The binary process includes preparing a first latex mixture Formulation A including latex, one or more accelerators, and one or more surfactants, but without curing agents; and preparing a second latex mixture Formulation B including latex, one or more curing agents, and one or more surfactants, but without curing accelerators. The process further includes dipping one or more formers into the Formulations A and B separately in order to form a plurality of coatings/layers of the Formulations A and B, and later on curing the plurality of coatings/layers on the formers to form the dipped latex products, which can be a condom, glove, balloon, catheter, finger cot, surgical tubing, baby bottle nipple or dental dam.

Abstract: The instant invention provides procatalysts and catalyst systems for olefin polymerization, olefin based polymers polymerized therewith, and process for producing the same.

Abstract: Disclosed herein is a substrate-independently surface-coated polymer by aromatic-amine compound and a coating method thereof, and in particular to a substrate-independently surface-coated polymer and a coating method thereof wherein an aromatic compound in which two or more amines are substituted on benzene, is substrate-independently surface-coated. The substrate-independently surface-coated polymer characterized in that the surface of a polymer substrate is coated in such a way to react, using a surface modifier, an aromatic compound of the following structural formula on at least one surface of the polymer substrate having a nucleophilic functional group or an electrophilic functional group.

Abstract: An apparatus and a method for expanding a slurry of thermally expandable thermoplastic microsphere is disclosed. The apparatus and method expand the slurry of thermally expandable thermoplastic microsphere without any direct contact to a fluid heat transfer medium. The apparatus and method utilize a distribution pipe attached to an outlet pipe.

Abstract: A polyolefin nanocomposite material comprising the following components: (A) a crystalline or semi-crystalline polyolefin resin; and (B) a nanosized mineral filler comprising or substantially consisting of a hydrotalcite, wherein the amount of the hydrotalcite is from 0.02 to 6 parts by weight per 100 parts by weight of the nanocomposite material, and the ratio MFR (1)/MFR (2) of the melt flow rate value MFR (1) of component (A) to the melt flow rate value MFR (2) of the polyolefin nanocomposite material is of at least 1.02, charachterized in that the said polyolefin nanocomposite material includes a compatibilizer the dispersion of the mineral filler (B) and compatibilizer in the polyolefin resin is produced at shear mixing rates from 30 to 300 sec?1.

Abstract: A class of bio-based bifuran cross-linkers are disclosed. Polymers cross-linked using the cross-linkers are also disclosed.

Abstract: The invention is directed to a resin composition that has both high heat resistance and high resistance against ultraviolet radiation. The invention is further directed to an article comprising said composition, and to the use of a combination of compounds for stabilising a resin composition. The resin composition of the invention comprises (A) a polypropylene resin, (B) an optionally substituted linear or branched alkyl ester of 3-(alkylated 4?-hydroxyphenyl) propionic acid having a molecular weight of 750 g/mol or less, (C) a hindered amine light stabiliser, having a molecular weight of 1250 g/mol or more, wherein the hindered amine is comprised in the backbone of the hindered amine light stabiliser molecule, and (D) a thiosynergist.

Abstract: A novel plasticizer blend(s) useful for plastisol compositions, including organisols, having good solvating properties, good viscosity profiles and compatibility with other plasticizers and solvents traditionally used in plastisols, comprising benzoate ester plasticizer(s) and a compatibilizing plasticizer component. Methods for preparing a plastisol having low viscosity and good rheology characteristics and for rendering a benzoate ester plasticizer, or blends thereof, compatible with organic solvents traditionally used in plastisols, by incorporating the novel plasticizer blend(s), which do not require adjusting the solubility parameters of the solvents to accommodate the plasticizer, are disclosed.

Abstract: A rubber mixture comprising at least one polymer base with a cross-linkable unsaturated chain, a vulcanization system, and antioxidant agents comprising in monomer form one or more compounds covered by the general formula (I) wherein, the substituents R1, R2, R3, R4 and R10, which are equal to or different from one another, are chosen among H, OH, and (CH2)nCHCH2 with n as an integer number ranging from 1 to 10; provided that, among the substituents R1, R2, R3, R4 and R10, at least one is OH and at least one is (CH2)nCHCH2; and the substituents R5, R6, R7, R8 and R9, which are equal to or different from one another, are chosen among H, OH, and (CH2)nCHCH2 with n as an integer number ranging from 1 to 10; provided that, among the substituents R5, R6, R7, R8 and R9, at least one is OH and at least one is (CH2)nCHCH2.

Abstract: A crystalline pigment or colorant composition having high color intensity and/or low sugar content, and methods and processes of preparation. The composition may comprise purified fruit and/or vegetable color juices.

Abstract: The present invention relates to a polymer composition with improved long-term stability which comprises at least one thermoplastic polymer, carbon nanotubes, at least one antioxidant and also at least one additive or consists hereof. In addition, the present invention relates to molded parts which can be produced from the polymer compositions according to the invention. The invention likewise indicates possibilities for use of the polymer composition or of the molded parts.

Abstract: The present invention relates to a novel and economical process for modification of acid scavenger to be used not only for neutralizing the effect of catalyst residue but as well as crystallinity modifier in polyolefins. More particularly, the present invention discloses a process for modification of acid scavenger to be used as dual functional additive as acid scavenger as well as crystallinity modifier in polyolefins, said process comprising treating an acid scavenger with an organic dibasic acid to obtain a modified acid scavenger, wherein the acid scavenger is calcium aluminum hydroxy carbonate having chemical formula Ca4Al2(OH)12CO3.nH2O, where n=4-5.

Abstract: This invention relates to heavy duty pneumatic rubber tires with treads intended for use on diverse surfaces, particularly for off-the-road service.

Abstract: Described herein are strength characteristics and biodegradation of articles produced using one or more petrochemical-based polymers and one or more carbohydrate-based polymers. A compatibilizer can optionally be included in the article. In some cases, the article can include a film or bag.

Abstract: The invention relates to a sulfur-crosslinkable rubber mixture, in particular for treads of vehicle tires, and to a vehicle tire. The rubber mixture contains at least the following components: at least one diene rubber and 10 to 200 phr of at least one silicic acid and 2 to 20 phf of at least one silane having general empirical formula I) [(R1)3Si—X]mSn(R2)2-m, wherein the residues R1 within a molecule can be the same or different and are alkoxy groups having 1 to 10 carbon atoms or cyclic dialkoxy groups having 2 to 10 carbon atoms or cycloalkoxy groups having 4 to 10 carbon atoms or phenoxy groups or aryl groups having 6 to 20 carbon atoms or alkyl groups having 1 to 10 carbon atoms or alkenyl groups having 2 to 20 carbon atoms or aralkyl groups having 7 to 20 carbon atoms or halides and wherein X is a polar organic group containing urea and wherein m assumes the value 1 or 2 and wherein n is an integer from 1 to 8 and wherein R2 is a hydrogen atom or an acyl group having 1 to 20 carbon atoms.

Abstract: A rubber composition for a tire tread includes 6 to 20 parts by weight of a silane coupling agent having a mercapto group and SiO bond; and 1 to 20 parts by weight of terpene resin having a softening point of 130° C. or more and a weight average molecular weight of 1,000 or more, to 100 parts by weight of raw rubber.

Abstract: A rubber composition for tires which enables a balanced improvement in rolling resistance, abrasion resistance, and wet-skid performance which contains a rubber blend, including a diene rubber A modified with a specific acrylamide compound, and a diene rubber B modified with either a combination of a specific silicon or tin compound and a specific modifying compound or with the modifying compound, the combined rubbers A and B having a weight average molecular weight of 300,000 to 1,400,000; and a specific silica.

Abstract: The disclosure relates to a rubber composition based on at least one styrene/butadiene copolymer SBR, the SBR having a content of greater than or equal to 50 parts per hundred parts of elastomer, phr, a reinforcing filler comprising predominantly carbon black with a CTAB specific surface area of greater than or equal to 90 m2/g, wherein the composition comprises an aromatic dicyclopentadiene plasticizing resin comprising essentially styrene, ethylene and dicyclopentadiene units, at a content ranging from 2 to 40 phr, the composition containing less than 5 phr of another plasticizer.

Abstract: The present disclosure relates to a post consumer recycled polymer composition comprising: 80% to 95% (w/w) of a post consumer recycled resin; and 5% to 20% (w/w) of at least one additive. The present disclosure further relates to a laminate comprising: an outer layer of a post consumer recycled polymer composition; a middle layer of post consumer recycled polymer composition; and an inner layer of virgin resins. The present disclosure also relates to a process for manufacturing tubes comprising: extrusion of post consumer recycled polymer composition comprising 80% to 95% (w/w) of an post consumer recycled resin; and 5% to 20% (w/w) of at least one additive, through a circular slit to form a long cylindrical hollow pipe; slicing the long cylindrical hollow pipe to form tube sleeves; forming tube shoulder and neck; and attaching the tube shoulder and the neck to the tube sleeves to obtain a tube.

Abstract: The present disclosure provides a polyolefin composition made from or containing: A) from about 63 to about 78% by weight of a copolymer of butene-1 with ethylene having a copolymerized ethylene content of up to about 18% by mole and no melting peak detectable at the DSC at the second heating scan; B) from about 22 to about 37% by weight of (i) a propylene homopolymer, or (ii) a propylene copolymer, or (iii) a mixture of two or more of (i) and (ii), having a melting temperature Tm, measured by DSC at the second heating scan, of from about 130° C. to about 165° C.; wherein (i) the amounts of A) and B) are referred to the total weight of A)+B) and (ii) having a melting enthalpy ?Hfus, measured by DSC at the second heating scan, of from 7 to 30 J/g.

Abstract: An aqueous organic silicon fluoro-containing polymer dispersion is provided. The dispersion includes 100 parts by weight of poly(vinylidene difluoride-hexafluoropropylene), 10 to 30 parts by weight of organic silicon emulsion, and acrylate polymer. The acrylate polymer and the sum of the poly(vinylidene difluoride-hexafluoropropylene) and the organic silicon emulsion have a weight ratio of 30:100 to 50:100.

Abstract: The present disclosure relates to a thermoplastic resin composition and a molded article manufactured therefrom. More particularly, in accordance the present disclosure, a thermoplastic resin composition exhibiting superior colorability, fluidity, scratch resistance, heat resistance, and weatherability and a molded article manufactured therefrom are provided.

Abstract: In one aspect, the invention relates to recycled polyethylene terephthalate compositions, fibers and articles produced therefrom, and methods for producing same. In a further aspect, the invention relates to homogenized post-consumer polyethylene terephthalate. In a further aspect, the invention relates to extruded polymer compositions, polymer mixtures, fibers, and/or Bulked Continuous Filament fibers comprising post-consumer polyethylene terephthalate. In a further aspect, the invention relates to processes for preparing recycled polyethylene terephthalate compositions. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.