A method relating to a copolymer containing rigid polyamides blocks and flexible blocks including, relative to the total weight of the copolymer: from 55% to 90% by weight of flexible blocks, including at least 35% by weight from polyethylene glycol; from 10% to 45% by weight of rigid polyamide blocks, in which the mean carbon content of the repeating units of the polyamide blocks is greater than or equal to 7. A method also relating to a process for preparing such a copolymer, to a membrane including such a copolymer and to a process for preparing such a membrane.

Disclosed is a thermoplastic resin composition, a method of preparing the same, and a molded article including the same, including a thermoplastic resin composition including 100 parts by weight of a base resin (A) including a vinyl cyanide compound-conjugated diene compound-aromatic vinyl compound graft copolymer (A-1) and an aromatic vinyl compound-vinyl cyanide compound copolymer (A-2); 0.1 to 32 parts by weight of a polymer (B) having a weight average molecular weight of greater than 500,000 g/mol and containing an unshared electron pair; 0.1 to 5 parts by weight of an inorganic antibacterial agent (C) including one or more carriers selected from the group consisting of phosphate glass, silica gel, calcium phosphate, and zirconium sodium phosphate; and 0.2 to 10 parts by weight of zinc oxide (D) having a BET surface area of 28 m.sup.2/g or more, a method of preparing the thermoplastic resin composition, and a molded article including the thermoplastic resin composition.

Disclosed is a thermoplastic resin composition, a method of preparing the same, and a molded article including the same, including a thermoplastic resin composition including 100 parts by weight of a base resin (A) including a vinyl cyanide compound-conjugated diene compound-aromatic vinyl compound graft copolymer (A-1) and an aromatic vinyl compound-vinyl cyanide compound copolymer (A-2); 0.1 to 32 parts by weight of a polymer (B) having a weight average molecular weight of greater than 500,000 g/mol and containing an unshared electron pair; 0.1 to 5 parts by weight of an inorganic antibacterial agent (C) including one or more carriers selected from the group consisting of phosphate glass, silica gel, calcium phosphate, and zirconium sodium phosphate; and 0.2 to 10 parts by weight of zinc oxide (D) having a BET surface area of 28 m.sup.2/g or more, a method of preparing the thermoplastic resin composition, and a molded article including the thermoplastic resin composition.

The present invention relates to a thermoplastic resin composition and a molded product produced therefrom, the thermoplastic resin composition including, based on 100 parts by weight of a base resin including (A1) 20 to 40 wt % of a butadiene-based rubber-modified aromatic vinyl-vinyl cyanide graft copolymer, (A2) 30 to 75 wt % of an aromatic vinyl-vinyl cyanide copolymer, and (B) 5 to 40 wt % of a polyamide resin, (C) 1 to 15 parts by weight of a polyether ester amide block copolymer, and (D) 0.5 to 10 parts by weight of an N-substituted maleimide-aromatic vinyl-maleic anhydride copolymer.

The present invention relates to a thermoplastic resin composition and a molded product produced therefrom, the thermoplastic resin composition including, based on 100 parts by weight of a base resin including (A1) 20 to 40 wt % of a butadiene-based rubber-modified aromatic vinyl-vinyl cyanide graft copolymer, (A2) 30 to 75 wt % of an aromatic vinyl-vinyl cyanide copolymer, and (B) 5 to 40 wt % of a polyamide resin, (C) 1 to 15 parts by weight of a polyether ester amide block copolymer, and (D) 0.5 to 10 parts by weight of an N-substituted maleimide-aromatic vinyl-maleic anhydride copolymer.

The present invention relates to a drug delivery system comprising a core and a shell in which the core comprises a hydrolytically degradable polymer X which polymer backbone comprises pendant ester and acid functionalities and in which the shell comprises a hydrolytic degradable polymer Y. The hydrolytic degradable polymers X and Y are different polymers. Polymer X further comprises amino-acids in the polymer backbone and degrades via zero order degradation kinetics for a period of at least 3 months. Polymer Y degrades via auto-acceleration degradation kinetics.

A method of fabricating a three-dimensional object, the method comprising (a) providing a polymer microfiller composite comprising a molecularly self-assembling (MSA) material and a microfiller dispersed in the MSA material; (b) depositing the polymer microfiller composite; and (c) repeating the depositing step until the three-dimensional object is formed.

A method of fabricating a three-dimensional object, the method comprising (a) providing a polymer microfiller composite comprising a molecularly self-assembling (MSA) material and a microfiller dispersed in the MSA material; (b) depositing the polymer microfiller composite; and (c) repeating the depositing step until the three-dimensional object is formed.

A flame-retardant single-, or multi-layered, fibre-matrix semi-finished product has a polyamide-based fibre-matrix that includes at least one organic phosphinic acid salt and/or a diphosphinic acid salt. A process for the production thereof includes impregnating a fibre ply, or plies, and consolidating the ply or plies into a composite.

A flame-retardant single-, or multi-layered, fibre-matrix semi-finished product has a polyamide-based fibre-matrix that includes at least one organic phosphinic acid salt and/or a diphosphinic acid salt. A process for the production thereof includes impregnating a fibre ply, or plies, and consolidating the ply or plies into a composite.