C08K2003/2241

FLAME RETARDANT POLYSILOXANE COMPOSITION
20220372244 · 2022-11-24 ·

A composition contains (a) a polysiloxane; and (b) 0.15 weight-percent or more and 85 weight-percent of less, relative to composition weight dispersed in the polysiloxane, of zinc oxide particles having an average particle size of less than one micrometer and greater than one nanometer as determined as the volume weighted median value of particle diameter distribution using a laser diffraction particle size analyzer.

THERMOPLASTIC RESIN COMPOSITION AND EXTERIOR MATERIAL INCLUDING THE SAME

The present disclosure relates to a thermoplastic resin composition and an exterior material including the same. The thermoplastic resin composition includes 100 parts by weight of styrene-based resins; 0.5 to 5 parts by weight of a first polyamide resin having a melting temperature (Tm) of 230° C. or less; and 0.5 to 10 parts by weight of a second polyamide resin having a melting temperature (Tm) of 250° C. or more. Both the first and second polyamide resins have a relative viscosity of 2.5 or less. The present disclosure advantageously provides a low-gloss thermoplastic resin composition having excellent aesthetics, such as softness, luxuriousness, and naturalness, due to uniform and low gloss, and improvement in surface texture while having mechanical properties and processability equal or superior to those of conventional ASA resins; and an exterior material including the low-gloss thermoplastic resin composition.

Polymers grafted onto a metal oxide surface, method of grafting polymers onto a metal oxide surface, graft polymer suitable for the method

Metal oxide having a surface onto which a multitude of individual polymers are grafted, each polymer comprising an addition polymer having a first and a second end, and a first moiety comprising a terminal phosphonate group, which first moiety is bonded to the first end, which phosphonate group attaches to the metal oxide surface in such a way that the multitude of the grafted polymers comprises at least one group of adjacent polymers that have a stretched chain conformation wherein the adjacent stretched chains have a substantially parallel orientation, such that the polymers within said group together form a brush structure. Method of grafting a multitude of individual polymers onto a surface of a metal oxide.

Thermoplastic polymer composites and methods for preparing, collecting, and tempering 3D printable materials and articles from same

Electrically conductive thermoplastic polymer composites of particulate thermoplastic polyester polymers, electrically conductive components (carbon nanofibers, graphene nanoplatelets, and/or conductive metal nanoparticulates), processing aids such as plasticizers, thermal stabilizers, etc., as well as nanoscopic particulate fillers such as nanoscopic titanium dioxide, etc., the electrically conductive components being distributed substantially uniformly in the composite to form an electrically conductive network. Also, methods for preparing thermoplastic polymer composites, a system for collecting extruded filaments prepared from thermoplastic polymer composites as a coil of filament, as well as method for tempering articles formed from thermoplastic polymer composites to increase the degree of crystallinity of the thermoplastic polymers and thus their mechanical strength properties.

Milling blank for the production of medical-technical molded parts
11591431 · 2023-02-28 · ·

This disclosure relates to a milling blank for the production of medical-technical molded parts, in particular dental splints or ear molds, as well as a method for the production of such a blank.

RESIN COMPOSITION AND METHOD FOR PRODUCING MOLDED ARTICLES
20230060024 · 2023-02-23 · ·

A resin composition containing a polyvinyl alcohol-based resin, 0.1% by mass or more and 1.2% by mass or less of a surfactant, and at least any one of an inorganic filler and silicone particles, wherein the resin composition is free of a plasticizer or comprises 5.0% by mass or less of a plasticizer, and satisfies at least any one of the following requirements (1) and (2). (1) The content of the inorganic filler is 1% by mass or more and 30% by mass or less (2) The content of the silicone particles is 0.01% by mass or more and 0.45% by mass or less

SILICONE-BASED BARRIER COMPOSITIONS

A liquid applied, silicone-based air and water barrier coating composition and its use as a silicone-based air and water barrier is provided. The barrier is generally vapour permeable and suitable for the construction industry. The liquid coating composition generally has a shelf-life of at least 9 months. The liquid coating composition comprises: (i) a crosslinked polysiloxane dispersion comprising (c) a surfactant and (d) water; (ii) a combination of rheology modifiers and at least one of the following ingredients: (iii) one or more fillers and/or (iv) one or more stabilizers.

CONSTRUCTION MATERIAL

A construction material comprises a watertight sheet material of a mixture of a plastic and at least one additive. The plastic comprises at least substantially polyvinyl butyral (PVB). At least a fire retardant containing ammonium polyphosphate is added thereto as additive. Use is particularly made of recycled polyvinyl butyral.

RECYCLED POLYETHYLENE TEREPHTHALATE COMPOSITION
20230060016 · 2023-02-23 · ·

A composition for production of injection-molded articles is made of recycled polyethylene terephthalate in an amount of over 90 wt %, a nucleation agent selected from salts of citrate acid, salts of carbonic acid, titanium oxide and mixtures thereof in an amount of 0.2-1 phr, and an impact modifier in the form of an unsaturated organic compound selected from acids, anhydrides, esters and metallic salts of at least one of the following: maleic, acrylic, methacrylic, itaconic, crotonic, alpha-methyl crotonic and cinnamic, in an amount of 2-4 phr. Optical brighteners, heat stabilizers and wax can also be added. The composition has high tensile strength, low shrinkage and high color stability, especially when compared to pure RPET.

THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE INCLUDING THE SAME

The present disclosure relates to a thermoplastic resin composition and a molded article including the same. The thermoplastic resin composition includes 10 to 70% by weight of a graft copolymer (A) including an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A-1) containing acrylate rubber having an average particle diameter of 50 to 150 nm and an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A-2) containing acrylate rubber having an average particle diameter of 300 to 600 nm; and 30 to 90% by weight of a non-grafted copolymer (B) including a high molecular weight aromatic vinyl compound-vinyl cyanide compound copolymer (B-1) having a weight average molecular weight of 160,000 to 200,000 g/mol and a low molecular weight aromatic vinyl compound-vinyl cyanide compound copolymer (B-2) having a weight average molecular weight of 80,000 g/mol or more and less than 160,000 g/mol.