Abstract: A photocurable composition can comprise a polymerizable material and a photoinitiator, wherein the polymerizable material can comprise at least one acrylate monomer including at least one cyano group (CN-acrylate monomer). The presence of a low amount of the CN-acrylate monomer between 10 wt % and not greater than 30 wt % can lower the contact angle of the composition and may improve the etch resistance of a photo-cured layer made from the photocurable composition.

Abstract: The present disclosure provides methods for producing an olefin polymer by contacting a C3-C40 olefin, ethylene and a diene with a catalyst system including an activator and a metallocene catalyst compound comprising a substituted or unsubstituted indacenyl group and obtaining a C3-C40 olefin-ethylene-diene terpolymer typically comprising from 1 to 35 mol % of ethylene, from 98.9 to 65 mol % C3-C40 olefin, and, optionally, from 0.1 to 10 mol % diene. Preferably, a propylene-ethylene-ethylidene norbornene is obtained.

Abstract: The invention relates to a process for the preparation of a multimodal polyolefin polymer in a first polymerization reactor and a second polymerization reactor connected in series, wherein a first polyolefin polymer is prepared in the first polymerization reactor in suspension in the presence of hydrogen and a second polyolefin polymer is prepared in the second polymerization reactor in the presence of a lower concentration of hydrogen than in the first polymerization reactor, the process comprising: a) withdrawing a suspension of solid polyolefin particles in a suspension medium from the first polymerization reactor, wherein the suspension medium comprises hydrogen and a hydrocarbon mixture having an initial boiling point of at least 50° C. and a final boiling point of at most 120° C.; b) feeding the suspension to a flash drum having a pressure controlled by a vacuum pump, wherein the pressure of the flash drum is less than 0.

Abstract: Gas separation membranes are provided and more particularly, a series of addition-type and ROMP type polynorbornenes with substituents derived from Mizoroki-Heck reactions are provided and have particular utility as gas separation membranes for natural gas upgrading.

Abstract: The present disclosure provides tunable fluoropolymers and methods for making them.

Abstract: The present invention relates to a model material composition for shaping a model material by a material jetting optical shaping method, comprising a polymerizable compound, a photopolymerization initiator and a siloxane compound having one polymerizable group per molecule, the siloxane compound having a number average molecular weight of 300 to 10,000.

Abstract: Provided is a particle suitable for a specimen test, which has high sensitization efficiency in a reaction with an antibody, shows high detection sensitivity as a latex reagent, hardly agglutinates during its storage, and hardly causes nonspecific adsorption even when not post-coated. The particle is a particle including a copolymer containing a monomer unit derived from a styrene-based monomer and a monomer unit derived from a glycidyl group-containing monomer, the particle being represented by the following general formula (1): in the general formula (1), L1 represents a copolymer moiety containing the monomer unit derived from the styrene-based monomer and the monomer unit derived from the glycidyl group-containing monomer, “n” represents from 4 to 11, and R1 and R2 each represent a hydrogen atom, an alkyl group, or a halogen.

Abstract: This invention relates to a light curable composition, comprising at least one acrylate monomer, at least one acrylamide compound, at least one acrylate oligomer, and at least one photoinitiator. The light curable composition of the present invention exhibits excellent elongation property after curing and is suitable to be applied for 3D printing.

Abstract: The invention relates to poly-amide bonded hydrophilic interaction chromatography (HILIC) stationary phases and novel HILIC methods for use in the characterization of large biological molecules modified with polar groups, known to those skilled in the art as glycans. The invention particularly provides novel, poly-amide bonded materials designed for efficient separation of large biomolecules, e.g. materials having a large percentage of larger pores (i.e. wide pores). Furthermore, the invention advantageously provides novel HILIC methods that can be used in combination with the stationary phase materials described herein to effectively separate protein and peptide glycoforms by eliminating previously unsolved problems, such as on-column aggregation of protein samples, low sensitivity of chromatographic detection of the glycan moieties, and low resolution of peaks due to restricted pore diffusion and long intra/inter-particle diffusion distances.

Abstract: It has been unexpectedly found that certain neodymium catalyst systems can be used to copolymerize isoprene and 1,3-butadiene to produce random isoprene-butadiene copolymer rubbers which are not tapered. These random isoprene-butadiene copolymer rubbers have properties which are beneficial for use in rubber formulations for manufacturing a wide variety of rubber products, such as tires, hoses, conveyor belts, power transmission belts, and shoe soles.

Abstract: A crosslinking material, the crosslinking material comprising the reaction product of a reaction mixture comprising: (i) a cyclic unsaturated acid anhydride and/or diacid derivative thereof; (ii) an ethylenically unsaturated monomer; and (iii) an alcohol, amine and/or thiol, wherein the cyclic unsaturated acid anhydride and/or diacid derivative thereof is partially-esterified by reaction with the alcohol, amine and/or thiol; and wherein the wherein the crosslinking material has an acid number of at least 100 mg KOH/g.

Abstract: An embodiment includes a polymer composition comprising a thermoplastic polymer that: (a) is bonded to iodine, (b) includes a vinyl group, and (c) includes urethane linkages. Other embodiments are described herein.

Abstract: A substantially biobased prepolymer mixture including 31.80 to 67.95 percent biogenic carbon content by weight, wherein the mixture is a combination of: an isocyanate; and a cleaned biobased polyoxyalkylene glycol polyol, wherein the cleaned biobased polyoxyalkylene glycol polyol is completely primary hydroxyl-tipped or primary hydroxyl end-grouped, further wherein said cleaned biobased polyoxyalkylene glycol polyol is polymerized from 100% biobased ethylene oxide, further wherein the cleaned biobased polyoxyalkylene glycol polyol comprises less than 15 ppm sodium and potassium metals, and further wherein the cleaned biobased polyoxyalkylene glycol polyol comprises less than 0.5% water by weight.

Abstract: Coating compositions and coatings with improved soiling resistance and (self-)cleaning properties are disclosed. The coating compositions and coatings may be nonaqueous coating compositions and may include at least one hydroxyl group-containing compound, at least one isocyanate group-containing compound having free or blocked isocyanate and silane groups, at least one catalyst for the crosslinking of the silane groups, and at least one alkoxysilyl-functional siloxane.

Abstract: The present invention relates to the use of tertiary amines as catalysts for the cross-linking of isocyanate groups which are aliphatically and/or cyclo-aliphatically bonded. The catalysts according to the invention have the particular advantage that they are thermally latent.

Abstract: An ionic aqueous epoxy curing agent, a preparation method therefor and the use thereof. The aqueous epoxy curing agent is prepared by reacting the following raw materials in parts by weight: a) 1 part of a polyepoxy compound, b) 1.3-6 parts of a multifunctional compound, c) 0.2 to 1.25 parts of a monoepoxy compound, and d) 0.01 to 0.23 parts of a sultone, wherein the multifunctional compound has four or more active hydrogens. The curing agent obtained has a good hydrophilic effect and very good thinning performance, the paint film prepared by mixing same with an epoxy dispersion has the following advantages: excellent salt spray resistance and water resistance, strong adhesion, high hardness, etc.; in addition, the preparation process of the curing agent is simple, the conditions are mild, and room temperature curing is carried out.

Abstract: The present invention provides: a reaction injection molding liquid mixture comprising a norbornene-based monomer, a metathesis polymerization catalyst that includes tungsten as a center metal, an activator, and an ether compound represented by a formula (1), wherein R1 to R4 are independently an alkyl group having 1 to 6 carbon atoms, the reaction injection molding liquid mixture comprising the activator and the ether compound in a molar ratio (ether compound/activator) of 0.7/1 to 30/1; a method for producing a reaction injection molded product comprising a reaction injection molding step that includes subjecting the reaction injection molding liquid mixture according to any one of claims 1 to 4 to bulk polymerization inside a mold; a reaction injection molded product obtained using the method for producing a reaction injection molded product.

Abstract: Methods of forming a porphene polymeric material are provided. The resulting material can be a porphene or a metalloporphene polymeric material. The structure of the polymer can be selected based on a material provided in the monomer material. Methods of using the polymeric material are also provided.

Abstract: 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.

Abstract: The present disclosure relates to a method of more efficiently separating and recovering a polyarylene sulfide exhibiting excellent strength, heat resistance, flame retardancy, and processability when processed into a molded product after polymerization.

Abstract: A method for producing an aromatic polysulfone by a polycondensation reaction between an aromatic dihalogenosulfone compound and an aromatic dihydroxy compound is described. The polycondensation reaction is performed in the presence of at least one aromatic end-capping agent; and an amount, p mol, of the aromatic dihalogenosulfone compound, an amount, q mol, of the aromatic dihydroxy compound, and an amount, r mol, of the aromatic end-capping agent have a relationship satisfying formula (S1) below and formula (S2) below: r/(p?q)<2 ??(S1), and p>q ??(S2).

Abstract: Foam control compositions along with formulations thereof and their use in various applications, including a method for making a foam control composition comprising a cross-linked polyorganosiloxane material including a dispersed silica filler, including the steps of: A) preparing a hydrosilylation reaction mixture by combining the following components: (i) silica filler, (ii) a polyorganosiloxane having at least two reactive substituents capable of addition reaction with component (iii) via hydrosilylation, (iii) a polyorganosiloxane having at least three reactive substituents capable of addition reaction with component (ii) via hydrosilylation, and (iv) a hydrosilylation catalyst; B) conducting a hydrosilylation reaction of components (ii) and (iii) until the reaction mixture at least partially gels to form a hydrosilylation reaction product; C) shearing the hydrosilylation reaction product of step B); and D) combining the hydrosilylation reaction product of step C) with a (v) silicone resin and an (vi)

Abstract: The present invention relates to a superabsorbent polymer that not only has excellent basic absorption performance, but also exhibits more improved absorption speed, permeability, etc., and a method for preparing the same. The superabsorbent polymer includes a base polymer powder including: a first crosslinked polymer of water soluble ethylenically unsaturated monomers having acid groups of which at least a part are neutralized; and a surface crosslink layer that is formed on the base polymer powder, and further includes a second crosslinked polymer in which the first crosslinked polymer is additionally crosslinked by a C2-5 alkylene carbonate, wherein an absorption degree, SFC, an absorption speed, and a porosity fulfill specific ranges.

Abstract: The present application is directed to a nanocomposite organo gel having a continuous polymeric network structure, wherein polymer chains are held together by ionic interaction between polymer chain ends, interparticle chain entanglements, layered silicate surface modifier, ionic salt, and layered silicate. The present application is also directed to methods of making and using the nanocomposite organo gel.

Abstract: A method for producing polysulfone micro-particles for 3D printing disclosed. For example, the method includes creating a mixture of polysulfone by dissolving polysulfone in an organic solvent, creating an aqueous solution of a polymeric stabilizer or a surfactant, adding the mixture of polysulfone to the aqueous solution to create a polysulfone solution, and processing the polysulfone solution to obtain polysulfone micro-particles having a desired particle size, a desired particle size distribution, and a desired shape.

Abstract: A method of processing liquid crystal polymer film is provided. The method includes the following steps. A metal substrate is provided. A liquid crystal polymer film is provided. The liquid crystal polymer film and the metal substrate are laminated to form a composite layer. The composite layer is heated at a first temperature and a processed liquid crystal polymer film is obtained through the separation of the heated liquid crystal polymer film from the substrate. A processing device of liquid crystal polymer film is further provided, including a lamination member, a transport member, a heating member, and a separation member.

Abstract: The present invention is a normal temperature-curable hard coat composition containing at least (A) a polysilazane compound having structures shown by the following formula (1) and (B) an alkoxysilane compound. The ratio of [a] the number of Si—H bonds in the polysilazane compound and [b] the number of alkoxy groups in the alkoxysilane compound is in a range of [b]/[a]=1.5 to 3. The present invention provides the normal temperature-curable hard coat composition which has excellent workability on outdoors, cures at normal temperature, improves surface hardness of plastic materials, and is used as an alternative material to glass.

Abstract: A method for preparing a modified polypropylene film, the modified polypropylene film comprising a polypropylene film; and, an oxide layer and/or nitride layer, each of which has a thickness of 20-500 nm, on a surface of the polypropylene film; the method comprising: depositing the oxide layer or nitride layer on a surface of the polypropylene film by an Atomic Layer Deposition (ALD) process to obtain the modified polypropylene film; wherein the step of depositing the oxide layer or nitride layer comprises: placing the polypropylene film in an ALD reaction chamber; vacuumizing; heating up; introducing a carrier gas; and, passing at least two precursors into the reaction chamber alternately for reaction, resulting in the modified polypropylene film; wherein the precursors comprise a precursor for providing a metal element or Si, and a precursor for providing an oxygen or nitrogen element.

Abstract: A method for preparing an aerogel comprising nano attapulgite and phenolic aldehyde and a method for preparing abrasion-resistant vehicle tire. 80-100 weight distributions of rubber, 3-8 weight distributions of SiO2.nH2O, 3-6 weight distributions of an anti-aging agent, 3-4 weight distributions of a heat stabilizer, 3-5 weight distributions of a compatibilizing agent, and 3-12 weight distributions of the aerogel comprising the nano attapulgite and the phenolic aldehyde is selected as a raw material of the abrasion-resistant rubber material to prepare rubber composite material for the abrasion-resistant vehicle tire.

Abstract: A method for continuously preparing graphene powder directly dispersed in an organic system, including: mixing an aqueous graphene oxide dispersion, an emulsifier and an oil-soluble monomer followed by pH adjustment and dispersing to obtain a pre-emulsified dispersion; subjecting the pre-emulsified dispersion to an emulsion polymerization reaction in the presence of an initiator; introducing a reducing agent to reduce graphene oxide; and subjecting the reaction mixture after emulsion polymerization to spray drying to obtain the graphene powder. Equipment used in the preparation method is also provided herein.

Abstract: Composite materials include a steel matrix with structural polymer integrated into the matrix. The composite materials have substantially lower density than steel, and are expected to have appreciable strength. Methods for forming composite steel composites includes combining a structural polymer component, such as a woven polymer, with steel nanoparticles and sintering the steel nanoparticles in order to form a steel matrix with structural polymer integrated therein.

Abstract: The present invention provides a method for preparing an ultra high molecular weight polyethylene (UHMWPE) composite material including the following steps: providing a substrate material having medical grade ultra high molecular weight polyethylene powders, drying the substrate material to obtain fully dried UHMWPE powders, and pressing the fully dried UHMWPE powders to form a UHMWPE board; immersing the UHMWPE board into a graphene oxide solution and performing an ultrasonic induction by an ultrasonic processor such that the graphene oxide solution infiltrates into the UHMWPE substrate to obtain an ultra high molecular weight polyethylene composite material with excellent biocompatibility and tribological properties. The graphene oxide can be adsorbed and evenly spread on the surface of UHMWPE substrate by ultrasonic induction to form a lubricating film which can effectively reduce wear.

Abstract: A preform for a container comprises a polymer composition which includes tungsten oxide particles, for example WO2.72 or WO2.92.

Abstract: The present disclosure provides an aerogel composition which is durable and easy to handle, which has favorable performance in aqueous environments, and which also has favorable combustion and self-heating properties. Also provided is a method of preparing an aerogel composition which is durable and easy to handle, which has favorable performance in aqueous environments, and which has favorable combustion and self-heating properties. Further provided is a method of improving the hydrophobicity, the liquid water uptake, the heat of combustion, or the onset of thermal decomposition temperature of an aerogel composition.

Abstract: Provided herein are a plasticizer composition, a resin composition, and a method of preparing the plasticizer composition. A plasticizer composition capable of enhancing poor physical properties occurring due to structural limitations and enhancing physical properties such as tensile strength, migration resistance, volatile loss, and the like, which are required when used as a plasticizer of a resin composition, and a resin composition including the same may be provided.

Abstract: Described herein is curable composition comprising a partially halogenated elastomeric gum comprising a plurality of cure sites selected from at least one of iodine, bromine, and nitrile; a silicon-containing compound; a dehydrohalogenation agent; and a peroxide cure system. Upon curing, a silicon-containing superficial layer forms, which can provide good chemical stability, increased durability, non-tackiness, and a matte finish to the cured elastomer.

Abstract: A thermoplastic resin composition, containing a thermoplastic synthetic resin, a cellulose and an ionic compound; in which a content of the cellulose is from 1 to 100 parts by mass, with respect to 100 parts by mass of the thermoplastic synthetic resin, and a content of the ionic compound is 0.001 times or more and less than 1.000 time of the content of the cellulose; a method of producing a thermoplastic resin composition; a molded article of a cellulose-reinforced resin; and a method of producing a molded article of a cellulose-reinforced resin.

Abstract: The present disclosure relates to a molded article provided with a resin part formed with a thermoplastic resin composition. The thermoplastic resin composition containing thermoplastic resins and cellulose, wherein at least one of the thermoplastic resins is a resin having in a polymer molecule at least one group selected from a group containing a partial structure of an acid anhydride and a group containing an acylated cellulose structure.

Abstract: A composite material having physical characteristics equivalent to particle board materials bonded with resin-based adhesives that contain formaldehyde-urea is formed of reclaimed textile debris comprising fabric scraps and a latex based binder. The binder includes natural rubber latex, sulfur, an anti-oxidant agent and pH adjustment substances. The binder may also include selected amounts of zinc oxide, zinc diethyldithiocarbamate and a stabilizer. Production of the composite material includes mixing the constituents and vulcanization through the application of heat and compression. Cold compression is subsequently applied.

Abstract: Recycled elements and/or renewable resources, such as recycled carbon black or recycled carbon black and recycled particulate rubber, are incorporated into a rubber composition. The rubber composition can be used to manufacture tires or various tire components including tire subtreads.

Abstract: The introduction of graphene as an additive in truck tire treads is disclosed. The product shows increased electrical resistance in tire treads, with no tradeoffs in other characteristics.

Abstract: The present invention provides a rubber composition for tires which provides improved abrasion resistance, and a pneumatic tire containing the rubber composition. The present invention relates to a rubber composition for tires containing a rubber component including at least 80% by mass in total of at least one of an isoprene-based rubber, a polybutadiene rubber, or a styrene-butadiene rubber, the rubber composition containing, per 100 parts by mass of the rubber component, 3 to 250 parts by mass of a reinforcing filler and 0.2 to 10 parts by mass of a specific tetrazine compound.

Abstract: An acrylic rubber composition comprising 0.05 to 3.0 parts by weight of a fluorine-containing compound having a melting point of 30 to 100° C., based on 100 parts by weight of acrylic rubber. The acrylic rubber composition that can improve the dispersibility of a processing aid in the compound and the rubber compound handling properties during open roll operation without using a silicone-based processing aid, which causes bleeding of vulcanizates, and that satisfies the various characteristics, such as dimensional stability and heat resistance, of vulcanizates.

Abstract: An object of the present invention is to provide a resin composition for an odor-adsorbing molded article that is excellent in manufacturability, eliminates odor by exerting a high adsorbing effect on odorous organic matter originally contained in packaging materials and odor generated by the decomposition, etc. of resins constituting packages during disinfection/sterilization treatment such as UV irradiation, hot packing, boiling, ? ray irradiation, or EB irradiation, is less likely to desorb the odor once adsorbed and capable of efficiently adsorbing odor and therefore exerts a high adsorbing effect over a long period without reducing the ability to adsorb odor, and is excellent in resistance to change in taste and odor of contents, and an odor-adsorbing molded article prepared from the resin composition for an odor-adsorbing molded article.

Abstract: A resin composition includes a resin component including an ethylene-(meth)acrylate copolymer and at least either an ethylene-propylene-diene terpolymer or ethylene acrylate rubber. A content of the ethylene-(meth)acrylate copolymer with respect to a total content of the ethylene-(meth)acrylate copolymer and at least either the ethylene-propylene-diene terpolymer or the ethylene acrylate rubber is 35% by mass or greater and 90% by mass or less. A tensile stress at 19% strain of the resin composition is 2.0 MPa or less, and a tensile stress at break of the resin composition is 10.3 MPa or greater.

Abstract: A cellulose-fiber-dispersing polyolefin resin composite material, containing a polyolefin resin containing a polypropylene resin, and a cellulose fiber dispersed in the polyolefin resin, in which a proportion of the cellulose fiber is 1 mass part or more and 70 mass parts or less in a total content of 100 mass parts of the polyolefin resin and the cellulose fiber, and the water absorption ratio satisfies the following Formula: (Water absorption ratio [%])<(Cellulose effective mass ratio [%])2×0.01; a pellet and a formed body using this composite material; and a production method for this composite material.

Abstract: To provide a resin composition, a pellet, a composite molded article, a method for manufacturing a composite molded article and a tank, all capable of enabling tight joining and integration of the polyacetal resin molded article and the polyethylene resin molded article, and of suppressing formaldehyde emission and occurrence of mold deposit. The resin composition contains a resin ingredient and melamine, the resin ingredient containing a polyacetal resin and a maleic anhydride-modified polyethylene resin, the polyacetal resin and the maleic anhydride-modified polyethylene resin following a mass proportion of (20 to 49):(80 to 51), and molar concentration of the maleic anhydride group capable of reacting with amino group of melamine contained in the resin composition being 5 to 25 ?mol/g.

Abstract: The present invention relates to a rubber composition having excellent abrasion resistance and improved tensile properties and viscoelasticity properties by controlling compatibility among rubber components, and a tire manufactured using the same.

Abstract: Provided is a resin composition that exhibits satisfactory impregnability into reinforcing fibers, while having rapid curability, and that is suitable for fiber-reinforced composite materials producing molded articles having high heat resistance. A two-pack resin composition for fiber-reinforced composite materials is configured of a base material including an epoxy resin (A) and a (meth)acrylate compound (B) having three or more (meth)acryloyl groups in a molecule, and a curing agent including an amine compound (C) represented by the following general formula (1), a mass ratio of the base material to the curing agent being within the range of from 85:15 to 65:35, Wherein the epoxy resin (A) includes 75% by mass to 100% by mass of a bisphenol A epoxy resin; the base material has a viscosity of 10,000 mPa·s or less; and the curing agent has a viscosity of 800 mPa·s or less. X—(CH2NH2)n (1) (In the formula, X represents an n-valent organic group having 1 to 16 carbon atom; and n represents 2 or 3).

Abstract: The invention relates to a radiation curable composition for additive-manufacturing processes, the composition comprising (meth)acrylate component(s) not comprising an urethane moiety having a molecular weight Mw of at least 1,000 as Component A1, photo initiator as Component B, red, yellow or orange dye or combination thereof as Component C, blue dye having a light absorption band in the range of 350 to 420 nm as Component D, and optionally stabilizer as Component E. The invention further relates to a process of producing an elastomeric 3-dim article from the radiation curable composition in an additive-manufacturing process and the obtained elastomeric 3-dim article.