The invention provides a thermoplastic resin composition, a molded article, and production methods therefor. The thermoplastic resin composition can sufficiently exhibit a cellulose addition effect and impart excellent mechanical strength to the molded article, particularly a foam molded article. More specifically, the invention provides a resin composition and a foam molded article thereof. The resin composition contains: a cellulose fiber (A); an amorphous resin (B) having a glass transition temperature of 160° C. or lower; a crystalline resin (C) having a melting point (melting peak temperature) of 80° C. to 150° C. and a melting start temperature lower than the melting point by 30° C. or more; and a thermoplastic resin (D) having a melting point or a glass transition temperature higher than the melting point of the crystalline resin (C) by 5° C. or more.

An olefinic polymer composition comprising at least one polyolefin, as well as a broadleaf tree lignin with pH below 7. The invention further relates to objects obtained from such a composition, and the use of broadleaf tree lignin with pH below 7 in the preparation of an olefinic polymer composition.

The present invention relates to a polymer composition comprising a (meth)acrylic polymer and a multistage polymer. In particular the present invention it relates to polymer composition comprising a (meth)acrylic polymer and a multistage polymer that can be used as a masterbatch. More particularly the present invention relates also to a process for preparing a polymer composition comprising a (meth)acrylic polymer and a multistage polymer by spray drying or coagulation.

The present invention relates to a polymer composition comprising a (meth)acrylic polymer and a multistage polymer. In particular the present invention it relates to polymer composition comprising a (meth)acrylic polymer and a multistage polymer that can be used as a masterbatch. More particularly the present invention relates also to a process for preparing a polymer composition comprising a (meth)acrylic polymer and a multistage polymer by spray drying or coagulation.

A masterbatch may include a syndiotactic polypropylene and one or more additives. The one or more additives may be present in the masterbatch in an amount of at least 13 weight percent based on a total weight of the masterbatch. The masterbatch may be formed by mixing the one or more additives with the syndiotactic polypropylene. The masterbatch may be mixed with a resin to form a resin mixture.

The present invention is a product and process to produce a new inclusion of a Chitosan-based compound and herbal extract, to provide consistent and long-lasting antimicrobial, antiviral, antibacterial, antifungal, anti-spore, and anti-odor characteristics.

A multicolor wood-plastic profile is made of a color master batch and a wood-plastic base material. The ratio λ of the tensile elastic modulus (Et) of said color master batch to that of said base material is 0.26-1.47. A manufacturing method for the multicolor wood-plastic profile includes mixing and melt extruding the color master batch and the base material. A wood-plastic board, including the multicolor wood-plastic profile. The outer surface and the interior of the multicolor wood-plastic profile have two or more colors, presenting a mixed gradual texture similar to natural wood.

A functionalized graphene oxide nitrile rubber and A tooth-scar-free tooth block is provided. The functionalized graphene oxide nitrile rubber comprises the following components in parts by weight: 100-140 parts of nitrile rubber, 30-90 parts of a functionalized graphene oxide nitrile rubber masterbatch, 1.8-2.52 parts of a vulcanizing agent, 1.2-1.68 parts of a vulcanization accelerator, 5-7 parts of a vulcanization activator, 17-23.8 parts of a plasticizer, 2-2.8 parts of antioxidant, 59-86.6 parts of a filler, 0.1-0.14 parts of a curing agent, and 2-2.8 parts of dichlorophenol. The functionalized graphene oxide nitrile rubber above has excellent mechanical properties, a wide applicable temperature range and strong stability in use, and can be prepared into a tooth-scar-free tooth block.

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.

A method for manufacturing a closure constructed for being inserted and securely retained in a portal-forming neck of a product-retaining container is provided. Such method may include intimately combining a plurality of particles comprising cork and having a specified particle size distribution with a plastic material including one or more thermoplastic polymers, optionally in combination with other constituent(s) to form a composition, heating the composition to form a melt, extruding or molding a closure precursor from the melt to provide a specified water content range, and optionally cutting and/or finishing the closure precursor. A composition for use in manufacturing a closure for a product-retaining container includes a plurality of particles comprising cork and having a specified particle size distribution with a plastic material including one or more thermoplastic polymer, optionally in combination with other constituent(s). Methods for producing particulate material, cork composite material, and additional methods for producing closures are also provided.