C08K5/103

PROPYLENE-BASED RESIN MASTER BATCH

A master batch includes a matrix resin containing a propylene-based resin and a non-volatile liquid with a boiling point of 200° C. or higher dispersed in the matrix resin. Temperature conditions represented by the relationships below are satisfied:


Tm<159° C.,


Tc≥97° C., and


Tm−Tc<49° C.

where Tc is a crystallization temperature indicated, in DSC measurement, as a peak top temperature of an exothermic peak observed on a highest temperature side when cooled to −50° C. at a temperature lowering speed of 10° C./min after heat treatment for 5 minutes at 200° C. and Tm is a melting point indicated, in the DSC measurement, as a peak top temperature of a melting peak observed on a highest temperature side when heated from −50° C. to 200° C. at a temperature rising speed of 10° C./min after being cooled.

Thermoplastic elastomer composition
11566129 · 2023-01-31 · ·

A thermoplastic elastomer composition possessing a good combination of elastic recovery, tear strength at 25° C., stress relaxation and reduced (improved) anisotropy, which is based on a hydrogenated block copolymer (A), a thermoplastic resin (B), a rubber softener (C) and a polyolefin elastomer (D), of specified types and proportions, and which is suitable for use in a variety of film and sheet applications.

FATTY ACID AND ROSIN ACID ESTER COMPOSITIONS FOR USE AS PLASTICIZERS IN ADHESIVE FORMULATIONS AND ASSOCIATED METHODS OF USE

The present description provides esterified fatty acid and/or tall oil compositions and their use as alternative plasticizers in adhesives formulations. These esters demonstrate similar or improved performance over adhesives industry standard plasticizers. The description also provides methods of manufacturing and using the same, for example, to improve or modify the performance of adhesive materials, such as, hot melt pressure sensitive adhesives and hygienic adhesives.

CURABLE COMPOSITION, URETHANE RESIN, AND HEAT DISSIPATION MEMBER

The present invention aims to provide a urethane resin and a heat dissipation component each having excellent thermal conductivity and excellent flexibility. The present invention relates to a curable composition containing: a polyol (A); a polyisocyanate (B); at least one dispersant (C) for inorganic fillers selected from the group consisting of a phosphate ester (C1), a C12-C24 fatty acid (C2), a sucrose fatty acid ester (C3), a sorbitan fatty acid ester (C4), and a glycerol fatty acid ester (C5); and an inorganic filler (D), the curable composition satisfying the following requirements (1) to (3) that (1) the polyol (A) contains a polyalkylene glycol (A1) having a chemical formula weight or number average molecular weight of 1000 or less in an amount of 50% by weight or more based on the weight of the polyol (A); (2) the inorganic filler (D) is contained in an amount of 70 to 97% by weight based on the weight of the curable composition; and (3) the total weight of the dispersant (C) for inorganic fillers is 1 to 5 parts by weight per 100 parts by weight of the inorganic filler (D), the phosphate ester (C1) being represented by the following formula (1):

##STR00001##

CURABLE COMPOSITION, URETHANE RESIN, AND HEAT DISSIPATION MEMBER

The present invention aims to provide a urethane resin and a heat dissipation component each having excellent thermal conductivity and excellent flexibility. The present invention relates to a curable composition containing: a polyol (A); a polyisocyanate (B); at least one dispersant (C) for inorganic fillers selected from the group consisting of a phosphate ester (C1), a C12-C24 fatty acid (C2), a sucrose fatty acid ester (C3), a sorbitan fatty acid ester (C4), and a glycerol fatty acid ester (C5); and an inorganic filler (D), the curable composition satisfying the following requirements (1) to (3) that (1) the polyol (A) contains a polyalkylene glycol (A1) having a chemical formula weight or number average molecular weight of 1000 or less in an amount of 50% by weight or more based on the weight of the polyol (A); (2) the inorganic filler (D) is contained in an amount of 70 to 97% by weight based on the weight of the curable composition; and (3) the total weight of the dispersant (C) for inorganic fillers is 1 to 5 parts by weight per 100 parts by weight of the inorganic filler (D), the phosphate ester (C1) being represented by the following formula (1):

##STR00001##

Resin composition, production method for resin composition, and molded body using resin composition

There is provided a resin composition, comprising an ethylene-vinyl alcohol copolymer and a nonionic surfactant, wherein the ethylene-vinyl alcohol copolymer has an ethylene unit content of 15 to 60 mol %, and a saponification degree of 90 mol % or more; the ethylene-vinyl alcohol copolymer is contained as a major component; and the nonionic surfactant is contained at 3 to 400 ppm. The resin composition is produced by melt-kneading a mixture comprising the nonionic surfactant, water and the ethylene-vinyl alcohol copolymer. By using the resin composition thus produced, a discharge amount during melt molding can be increased and a molded article with an excellent appearance can be provided.

Resin composition, production method for resin composition, and molded body using resin composition

There is provided a resin composition, comprising an ethylene-vinyl alcohol copolymer and a nonionic surfactant, wherein the ethylene-vinyl alcohol copolymer has an ethylene unit content of 15 to 60 mol %, and a saponification degree of 90 mol % or more; the ethylene-vinyl alcohol copolymer is contained as a major component; and the nonionic surfactant is contained at 3 to 400 ppm. The resin composition is produced by melt-kneading a mixture comprising the nonionic surfactant, water and the ethylene-vinyl alcohol copolymer. By using the resin composition thus produced, a discharge amount during melt molding can be increased and a molded article with an excellent appearance can be provided.

Cross-linking agent compound and polymer prepared using the same

The present disclosure relates to a novel cross-linking agent compound and a polymer prepared using the same. Specifically, the present disclosure relates to a cross-linking agent compound having a novel structure and excellent in cross-linking and pyrolysis, and a polymer prepared using the same.

Cellulose Ester Composition and Process For Producing Articles Therefrom
20230226734 · 2023-07-20 ·

A process is disclosed for combining a cellulose ester polymer with a plasticizer. The cellulose ester polymer is in the form of particles and is combined with a wetting agent and the plasticizer while mixing. The wetting agent dramatically improves the ability of the cellulose ester particles and plasticizer to form a homogeneous mixture. During melt processing, in one embodiment, the wetting agent is volatilized and does not remain in the final product.

Cellulose Ester Composition and Process For Producing Articles Therefrom
20230226734 · 2023-07-20 ·

A process is disclosed for combining a cellulose ester polymer with a plasticizer. The cellulose ester polymer is in the form of particles and is combined with a wetting agent and the plasticizer while mixing. The wetting agent dramatically improves the ability of the cellulose ester particles and plasticizer to form a homogeneous mixture. During melt processing, in one embodiment, the wetting agent is volatilized and does not remain in the final product.