A graft copolymer including zwitterionic repeat units and hydrophobic repeat units, in which the zwitterionic repeat units constitute 2-60 wt % of the graft copolymer and each of the hydrophobic repeat units is characterized in that a homopolymer formed thereof is miscible with polyvinylidene fluoride, polysulfone, poly ether sulfone, polyvinyl chloride, or polyacrylonitrile, each of the hydrophobic repeat units not being a repeat unit of polyvinylidene fluoride. Also disclosed is a filtration membrane containing such a graft copolymer or a statistical copolymer that includes the same composition of repeat units as the graft copolymer. Further disclosed are methods of preparing the graft copolymer and the filtration membrane.

A graft copolymer including zwitterionic repeat units and hydrophobic repeat units, in which the zwitterionic repeat units constitute 2-60 wt % of the graft copolymer and each of the hydrophobic repeat units is characterized in that a homopolymer formed thereof is miscible with polyvinylidene fluoride, polysulfone, poly ether sulfone, polyvinyl chloride, or polyacrylonitrile, each of the hydrophobic repeat units not being a repeat unit of polyvinylidene fluoride. Also disclosed is a filtration membrane containing such a graft copolymer or a statistical copolymer that includes the same composition of repeat units as the graft copolymer. Further disclosed are methods of preparing the graft copolymer and the filtration membrane.

The present invention relates to a thermoplastic resin composition and a molded article including the same. More particularly, the present invention relates to a thermoplastic resin composition including 100 parts by weight of a base resin that includes an acrylic graft copolymer and an acrylic non-graft copolymer; and greater than 0.3 parts by weight and less than 1.2 parts by weight of a zinc-based antimicrobial agent, and a molded article including the same, wherein the zinc-based antimicrobial agent has an average particle diameter of greater than 3 μm to 30 μm. In accordance with the present invention, a thermoplastic resin composition providing superior transparency and excellent initial antimicrobial activity and persistent antimicrobial activity while providing the same mechanical properties as existing resin compositions, and a molded article including the same are provided.

The present invention relates to a thermoplastic resin composition and a molded article manufactured thereofrom. In accordance with the present invention, a thermoplastic resin composition providing higher chemical resistance with respect to a blowing agent while providing the same impact strength, gloss, and vacuum moldability as existing resin compositions when used to produce an inner case of a refrigerator, and a molded article manufactured from the same are provided.

The present disclosure relates to polyolefin-based compositions made from or containing (A) a butene-1 polymer grafted with an unsaturated monomer, (B) a second polyolefin polymer, and (C) an ethylene-propylene elastomer. In some embodiments, the polyolefin-based composition is further made from or contains an additives composition. In additional embodiments, the polyolefin-based composition is made from or contains a heterophasic polypropylene copolymer.

The present disclosure relates to polyolefin-based compositions made from or containing (A) a butene-1 polymer grafted with an unsaturated monomer, (B) a second polyolefin polymer, and (C) an ethylene-propylene elastomer. In some embodiments, the polyolefin-based composition is further made from or contains an additives composition. In additional embodiments, the polyolefin-based composition is made from or contains a heterophasic polypropylene copolymer.

A composite powder includes a core particle comprising a styrene/acrylate polymer resin, and a shell comprising a styrene/acrylate ionomer resin, wherein the styrene/acrylate ionomer resin comprises a metal ion acrylate monomer, and methods of making thereof. Various articles can be manufactured from such composite powders.

A composite powder includes a core particle comprising a styrene/acrylate polymer resin, and a shell comprising a styrene/acrylate ionomer resin, wherein the styrene/acrylate ionomer resin comprises a metal ion acrylate monomer, and methods of making thereof. Various articles can be manufactured from such composite powders.

Multi-piece golf balls having a multi-layered solid core and multi-layered cover are provided.

Multi-piece golf balls having a multi-layered solid core and multi-layered cover are provided.