Abstract: A rheology control agent contains a reaction product of a polyisocyanate compound (a1), a primary monoamine having a number average molecular weight of 300 or less (a2), and a polyether amine having two or more amino groups and having a number average molecular weight of 1000 or more and less than 6000 (a3), wherein the proportion of the polyether amine having a number average molecular weight of 1000 or more and less than 6000 (a3) is within the range of 10 to 30 mass % based on the total amount of the components (a1) to (a3).

Abstract: Aqueous suspensions are presented that are stable against settling without additional mixing in which the suspensions comprise a water soluble polymer that is anionic or non-ionic comprising a blend of water with at least about 32 weight percent chloride salt with a counter ion A+a with 2?a, from about 1 wt % to about 10 wt % particulate polyethylene glycol having an average molecular weight from about 1600 g/mol to about 50,000 g/mol, and from about 10 wt % to about 50 wt % of the water soluble polymer that is not a poly ether. The suspension has chlorides in a sufficient amount to inhibit hydration of the suspended water soluble polymer and the particulate polyethylene glycol. The aqueous suspension can be formed by adding a powder of polyethylene glycol to a high salt solution and then adding the high molecular weight polymer. The aqueous suspensions can be useful as friction reducing agents in flowing liquids, such as for hydraulic fracture.

Abstract: Provided is a polymerization initiator, which has an excellent curing rate and is an alternative to a polymerization initiator system using a benzoyl peroxide-aromatic amine compound, a curable composition containing the polymerization initiator, a dental material and dental filler material containing the composition, and a kit for preparing the curable composition. The polymerization initiator contains one or more compounds (A) selected from the group consisting of a pyrazolidinedione compound and/or pyrazolidine(di)thione compound (A1), a salt (A2) of the compound (A1), and a malonate compound (A3).

Abstract: A polypropylene composition comprising components A), B) and C), wherein component A) is a hindered amine light stabilizer selected from the group consisting of the compounds of formulae (A-I-1), (A-I-2), (A-I-3), (A-III-1) and (A-IV-1) as defined for the present invention, component B) is a natural or synthetic hydrotalcite, component C) is a phenolic antioxidant selected from the group consisting of 1,3,5-tris(3,5-di-tert-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene, ethylene bis[3,3-bis(3-tert-butyl-4-hydroxyphenyl)butyrate], 1,3,5-tris(3,5-di-tert-butyl-4-hydroxybenzyl)-isocyanurate and 6-[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propoxy]-2,4,8,10-tetra-tert-butyldibenzo[d,f][1,3,2]dioxaphosphepin, and wherein the weight ratio of component A) to component B) is 1:10 to 10:1.

Abstract: The present invention relates to a modified conjugated diene-based polymer having controlled degree of branching, excellent affinity with a filler, and excellent processability properties and compounding properties, a method for preparing the same, and a rubber composition including the same. The modified conjugated diene-based polymer is prepared using a modifier represented by Formula 1 to include a functional group derived from the modifier in at least one terminal of the polymer chain: 1—wherein R1 to R3 and n are described herein.

Abstract: The present invention relates to non-isocyanate polyurethane thermoreversible hydrogel comprising poloxamers, aliphatic di-urethanes, aliphatic di-esters and polyethylene glycol and to a method for their preparation.

Abstract: Compositions and methods for a semicrystalline poly(aryl ether ketone) copolymers incorporating 2-benzimidazolinone and 4,4?-biphenol as comonomer units with 4,4?-dihalobenzophenone are described herein. The copolymers have advantageous properties, particularly in terms of high glass transition temperatures (Tg), high melting temperatures (Tm), crystallinity and chemical resistance. The copolymers are suitable for manufacturing high temperature and chemical resistance molded systems and other articles of manufacture via injection molding, extrusion, compression molding, coating, and additive manufacturing.

Abstract: Two-part cyanoacrylate/free radical curable adhesive systems are provided.

Abstract: To provide a polymerizable composition capable of forming a thick hydrophilic resin coating having high hardness and excellent durability on the surface of an object to be treated, which is a surface treatment object, and a hydrophilizing treatment method in which the polymerizable composition is used. In a polymerizable composition including a polymerizable compound (A), a polymerization initiator (B), inorganic fine particles (C) and a solvent (S), a polymerizable betaine compound (A1) having an ethylenic unsaturated double bond and a betaine structure and an adhesive polymerizable compound (A2) having an ethylenic unsaturated double bond and a specific type of adhesive group are used as the polymerizable compound (A); a water-soluble radical polymerization initiator (B1) is used as the polymerization initiator (B); and inorganic fine particles (C) having a functional group capable of forming a covalent bond with a polymer of the polymerizable compound (A) are used.

Abstract: A polyimide resin includes structural unit A derived from tetracarboxylic dianhydride and structural unit B derived from diamine, wherein unit A includes at least one unit selected from the group consisting of unit (A-1) derived from a compound represented by Formula (a-1) and unit (A-2) derived from a compound represented by Formula (a-2), and unit B includes unit (B-1) derived from a compound represented by Formula (b-1) and includes unit (B-2) derived from a compound represented by Formula (b-2). wherein X represents a single bond or an oxygen atom, and Ar represents a substituted or unsubstituted arylene group. wherein Z1/Z2 represent a divalent aliphatic or aromatic group, R1/R2 represent a monovalent aromatic or aliphatic group, R3/R4 represent a monovalent aliphatic group, R5/R6 represent a monovalent aliphatic or aromatic group, m&n represent an integer of 1 or greater, and a sum of m+n represents an integer from 2-1000.

Abstract: The present disclosure generally relates to a compound of dialkyl ester of 2,4-furandicarboxylic acid, a method of preparing the compound, a polymer composition comprising a polymer and the compound, a method of preparing the polymer composition, a polymer product comprising the polymer composition and a method of using the compound as a plasticizer in the polymer product. The dialkyl ester of 2,4-furandicarboxylic acid of the present disclosure has greater plasticizing efficiency in a polymer composition that that of the standard phthalate and terephthalate-based plasticizers. The polymer product plasticized with the dialkyl ester of 2,4-furandicarboxylic acid may have improved flexibility, durability, processability and safety as compared to the same polymer product plasticized with conventional phthalate and terephthalate-based plasticizers.

Abstract: The present invention relates to a copolymerized saturated polyester resin and a coating composition containing same. Provided are a copolymerized saturated polyester resin and a coating composition having excellent hot water resistance, chemical resistance and processability when formed into a coating film, and showing excellent adhesiveness to a metal base, and thus particularly useful for coating a can and pre-coated metal (PCM).

Abstract: The present disclosure relates to a plasticizer composition that is environmentally friendly by including a recycled raw material, and has excellent gelling properties, plasticization efficiency, and weather resistance.

Abstract: Provided is a shoe-sole rubber composition including a white filler of 50 mass parts to 100 mass parts, having an inclination of an approximate straight line of plots obtained from input energy (Ein)-hysteresis loss (Ehys) is 0.6 or more, a gel fraction of 80% or less, and a complex modulus of 30 MPa or more.

Abstract: The present invention relates to a polyurea coating composition comprising (A) a polyisocyanate; (B) a polyaspartic ester; and (C) an aspartic ester. The polyaspartic ester (B) is represented by the structure below: where Z=a cycloalkyl, alkyl or aryl group, R1, R2=alkyl groups containing 1-10 carbon atoms; and n=2-4. The aspartic ester (C) is derived from a secondary heterocyclic amine in a 3-7 membered ring compound bearing at least one secondary amine functionality. This invention also relates to use of a polyurea coating composition comprising (A)-(C) for the preparation of a polyurea coating. This invention further relates to a process for preparing a polyaspartic/aspartic ester mixture in-situ by initially reacting an ester of fumaric acid or maleic acid with a polyamine and then reacting the unreacted ester of fumaric acid or maleic acid to completion with a secondary heterocyclic amine.

Abstract: The present disclosure relates to a plasticizer composition that is environmentally friendly by including a recycled raw material, and has excellent gelling properties, plasticization efficiency, and weather resistance.

Abstract: A polymeric dispersant and a stable two-component epoxy coating composition comprising an epoxy component A comprising: a waterborne epoxy resin, the polymeric dispersant, and pigments and/or extenders; and a component B comprising a curing agent; providing coatings made therefrom with improved anti-corrosion properties; and a method of preparing the coating composition.

Abstract: Described herein are binder formulations based on acryloyloxy-functionalized polyurethanes.

Abstract: Pressure-responsive particles include pressure-responsive base particles and silica particles, in which the pressure-responsive base particles contain a styrene-based resin that contains styrene and other vinyl monomers as polymerization components and a (meth)acrylic acid ester-based resin that contains at least two kinds of (meth)acrylic acid esters as polymerization components and in which a ratio of a mass of the (meth)acrylic acid esters to a total mass of polymerization components is 90% by mass or more, the pressure-responsive particles have at least two glass transition temperatures, a difference between a lowest glass transition temperature and a highest glass transition temperature is 30° C. or higher, and a ratio of a surface coating rate Cs2 by the silica particles after application of the following first stress to a surface coating rate Cs1 by the silica particles before application of stress satisfies a relationship of 0.4?Cs2/Cs1?0.8.

Abstract: The aqueous adhesive for a tennis ball includes rubber latex. The rubber latex is a mixture of liquid rubber latex and solid rubber latex. When a solid content in the aqueous adhesive is measured at a temperature of 140° C. by a curelastometer, a torque is not less than 0.26 N·m after 10 minutes from start of heating. The tennis ball includes a seam portion formed of the aqueous adhesive for a tennis ball.