C08L2207/04

THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE THEREBY

A thermoplastic resin composition and a molded article including the same can include 100 parts by weight of a base resin including 10 to 50% by weight of an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A-1) containing acrylate rubber having an average particle diameter of 0.3 to 0.5 μm, 5 to 40% by weight of an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A-2) containing acrylate rubber having an average particle diameter of 0.05 μm or more and less than 0.3 μm, and 20 to 65% by weight of an aromatic vinyl polymer (B), and 0.5 to 12 parts by weight of a polyamide (C). The thermoplastic resin composition can have a solvent resistance of 15 days or more.

OLEFIN-BASED THERMOPLASTIC ELASTOMER FOAMED PARTICLE AND OLEFIN-BASED THERMOPLASTIC ELASTOMER FOAMED PARTICLE MOLDED BODY
20230107047 · 2023-04-06 ·

A thermoplastic olefinic elastomer expanded bead, which is an expanded bead including a thermoplastic olefinic elastomer as a main component, wherein the expanded bead has an average particle diameter of 0.5 to 5 mm, the expanded bead has a heat of fusion of 60 to 80 J/g, and a difference [Tm−Tc] between a melting point (Tm) and a crystallization temperature (Tc) of the expanded bead is 20° C. or lower.

THERMOPLASTIC ELASTOMER COMPOSITION AND THERMOPLASTIC ELASTOMER MOLDED BODY

A thermoplastic elastomer composition: 41 to 70 parts by mass of component (A), 0 to 54 parts by mass of component (B), and 5 to 59 parts by mass of component (C) ((A), (B), and (C) being 100 parts by mass), with dynamic heat treatment with a cross-linking agent. Component (A): a propylene block copolymer having a melt flow rate measured in accordance with ISO1133. Component (B): an ethylene/α-olefin/non-conjugated polyene copolymer including a structural unit derived from ethylene, a structural unit derived from an α-olefin having 3 to 20 carbon atoms, and a structural unit derived from a non-conjugated polyene. Component (C): an ethylene/α-olefin copolymer including a structural unit derived from ethylene and a structural unit derived from an α-olefin having 4 to 20 carbon atoms and having a melt flow rate measured in accordance with ISO 1133.

Method for producing thermoplastic resin composition and thermoplastic resin composition
11618817 · 2023-04-04 · ·

It becomes possible to produce a thermoplastic resin composition having a sea-island structure by a kneading step of kneading a thermoplastic elastomer and/or rubber material having an alkoxysilyl group, in which the alkoxysilyl group is grafted to the thermoplastic elastomer and/or rubber material, and a thermoplastic resin in a melt state in a kneading machine and a dynamic crosslinking step of adding a water component into the kneading machine, forming a silanol group by a hydrolysis reaction of the alkoxysilyl group in the thermoplastic elastomer and/or rubber material having an alkoxysilyl group and the water component in the kneading machine, and subsequently forming a siloxane bond by a condensation reaction between the silanol groups.

Conductive composites

Disclosed are conductive composites comprising a polymer, a conductor selected from metals and metal alloys, and a thickening agent.

THERMOPLASTIC ELASTOMER, COMPOSITION, AND MOLDED PRODUCT

It could be helpful to provide a thermoplastic elastomer excellent in transparency, etc., while having mechanical properties such as high heat resistance, strength, and flexibility. The thermoplastic elastomer of this disclosure primarily comprises a copolymer including a block structural unit derived from a polymer (A) that contains a polyphenylene ether and has a glass transition temperature of 120° C. or more, and a block structural unit derived from a polymer (B) that primarily contains a diene rubber and has a glass transition temperature of 20° C. or less.

Impact modified copolymers of (meth)acrylate esters and/or free radically polymerizable monomers containing nucleophilic groups
11649347 · 2023-05-16 · ·

A composition comprising: a) one or more copolymers of i) one or more of one or more vinyl or vinylidene aromaticmonomers and/or (meth)acrylates; with ii) one or more unsaturated compounds containing one or more nucleophilic groups wherein the copolymer contains on average about 0.01 to about 5.0 percent by weight of nucleophilic groups based on the weight of the copolymer; b) one or more thermoplastic elastomer based polymers containing one or more nucleophilic groups; and c) one or more polymers having electrophilic groups; wherein the electrophilic groups have reacted with the nucleophilic groups and at least a portion of the one or more copolymers containing nucleophilic groups are bonded to at least a portion of the one or more thermoplastic elastomers containing one or more nucleophilic groups by at least a portion of the one or more polymers having electrophilic groups.

ELASTIC NONWOVEN SHEET
20230141900 · 2023-05-11 · ·

The invention relates to elastically stretchable nonwoven sheets comprising an elastically stretchable nonwoven layer and a stretchable facing layer, and an in-line method for making such sheets.

PIGMENTABLE, NON-ASPHALT BASED, SEALANT COMPOSITION AND METHODS OF PRODUCTION AND USE
20230143069 · 2023-05-11 ·

A fully pigmentable, non-asphalt based, sealant composition for sealing cracks and joints in roads, streets, highways, sidewalks, pavements, and other concrete and asphalt surfaces. The pigmentable sealant is produced by (i) forming a non-asphalt base blend which contains a high concentration of a rosin ester material, (ii) neutralizing the color of the base blend using one or more color neutralizing materials, (iii) pigmenting the color-neutralized base blend to a desired final color, and (iv) adding one or more polymers to the pigmented blend to provide enhanced mechanical properties.

ETHYLENE POLYMER BLEND COMPOSITION FOR ADDITIVE-MANUFACTURE FEEDSTOCK

The invention relates to an additive-manufacture feedstock, comprising an ethylene polymer blend composition having an ethylene polymer having a melt flow index of from 0.1 to 150 g/10 min (190° C./2.16 kg), measured according to ASTM D 1238, and at least one of the following components blended in the ethylene polymer: a polyolefin elastomer, an ethylene-vinyl ester polymer, a fiber, a nucleator or clarifier, or a polypropylene polymer. The additive-manufacture feedstock, when in the form of a printed article, exhibits an improved printability characterized by an improved warpage-resistance rating. The invention also relates to methods of making the additive-manufacture feedstock and methods of 3D printing or additive manufacturing using the additive-manufacture feedstock in various forms.