Patent classifications
C08K5/523
USE OF LONG-CHAIN PHOSPHORIC ACID ESTERS IN AQUEOUS POLYURETHANE DISPERSIONS
The use of long-chain phosphoric acid esters as additives in aqueous polymer dispersions for production of porous polymer coatings, preferably for production of porous polyurethane coatings, is described.
Clear Polypropylene Composition for Thermoforming
Disclosed is a polymeric composition containing at least 95 wt. % of a polypropylene copolymer; and 50 ppm to 2000 ppm of an aryl amide containing clarifying agent or a phosphate ester salt containing clarifying agent or a combination thereof, wherein the polymeric composition has a haze value of A after being extruded once and a haze value of B after being extruded 5 times, wherein the ratio of A to B is 1 to 1.35 and A is less than 25%, and wherein A and B are determined in accordance with ASTM D1003, at a thickness of about 40 mil, methods of making the polymeric composition and articles containing the polymeric composition.
RESIN COMPOSITION, MOLDED ARTICLE, ELECTRONIC COMPONENT, AND ELECTRONIC DEVICE
A resin composition is provided that comprises a resin and a phosphorus-based flame retardant. The resin includes a β-1,3-glucan derivative resin having a main chain having a structure represented by the following structural formula (1):
##STR00001##
where each of Rs is independently a hydrogen atom or an alkylcarbonyl group, at least one of Rs is an alkylcarbonyl group, and n is a natural number. The phosphorus-based flame retardant has an average particle diameter of 5 μm or less in the resin.
RESIN COMPOSITION, MOLDED ARTICLE, ELECTRONIC COMPONENT, AND ELECTRONIC DEVICE
A resin composition is provided that comprises a resin and a phosphorus-based flame retardant. The resin includes a β-1,3-glucan derivative resin having a main chain having a structure represented by the following structural formula (1):
##STR00001##
where each of Rs is independently a hydrogen atom or an alkylcarbonyl group, at least one of Rs is an alkylcarbonyl group, and n is a natural number. The phosphorus-based flame retardant has an average particle diameter of 5 μm or less in the resin.
Thermoplastic Resin Composition and Molded Article Therefrom
A thermoplastic resin composition according to the present invention comprises: about 100 parts by weight of a thermoplastic resin comprising about 30 to about 60 wt % of a rubber-modified aromatic vinyl-based copolymer resin, about 30 to about 60 wt % of a polycarbonate resin, and about 5 to about 25 wt % of a polyester resin; about 0.1 to about 5 parts by weight of zinc oxide; about 0.1 to about 3 parts by weight of a phosphite compound comprising at least one type from among a phosphite compound represented by chemical formula 1 and a phosphite compound represented by chemical formula 2; and about 5 to about 30 parts by weight of a phosphorus-based flame retardant. The thermoplastic resin composition has excellent hydrolysis resistance, flame retardancy, and impact resistance, excellent balance of the foregoing physical properties, and the like.
Thermoplastic Resin Composition and Molded Article Therefrom
A thermoplastic resin composition according to the present invention comprises: about 100 parts by weight of a thermoplastic resin comprising about 30 to about 60 wt % of a rubber-modified aromatic vinyl-based copolymer resin, about 30 to about 60 wt % of a polycarbonate resin, and about 5 to about 25 wt % of a polyester resin; about 0.1 to about 5 parts by weight of zinc oxide; about 0.1 to about 3 parts by weight of a phosphite compound comprising at least one type from among a phosphite compound represented by chemical formula 1 and a phosphite compound represented by chemical formula 2; and about 5 to about 30 parts by weight of a phosphorus-based flame retardant. The thermoplastic resin composition has excellent hydrolysis resistance, flame retardancy, and impact resistance, excellent balance of the foregoing physical properties, and the like.
Phosphoric ester preparations with reduced hygroscopicity
The present invention relates to phosphoric ester preparations with reduced hygroscopicity, to use of these as flame retardants and hydraulic fluids, and to polyurethanes which comprise the phosphoric ester preparations of the invention.
Phosphoric ester preparations with reduced hygroscopicity
The present invention relates to phosphoric ester preparations with reduced hygroscopicity, to use of these as flame retardants and hydraulic fluids, and to polyurethanes which comprise the phosphoric ester preparations of the invention.
Method for producing flame retardant polyurethane foams using halogen-free flame retardants
The present invention relates to a process for producing flame-retarded polyurethane foams, in particular flexible polyurethane foams, using halogen-free flame retardants, wherein the resulting flame-retarded polyurethane foams exhibit low emission values coupled with good mechanical properties. The present invention further relates to halogen-free flame retardants.
Method for producing flame retardant polyurethane foams using halogen-free flame retardants
The present invention relates to a process for producing flame-retarded polyurethane foams, in particular flexible polyurethane foams, using halogen-free flame retardants, wherein the resulting flame-retarded polyurethane foams exhibit low emission values coupled with good mechanical properties. The present invention further relates to halogen-free flame retardants.