General Electric Company

Ge Plastics Japan Ltd.

Other

Hideyuki Itoi

Akihiro Saito

Kenichi Ishiwa

Tomohide Fujiguchi

Tomoaki Shimoda

Takeshi Sakashita

Takashi Nagai

Kazunari Inoue

Kim Choate

Kotarou Kishimura

Yuzuru Sawano

Yumiko Yoshida

Chang Feng Liu

To provide a polycarbonate resin composition that has excellent moisture resistance, good flame resistance, and markedly superior mechanical strength. Means for Solution: A resin composition containing (A) 1 to 99 weight parts of a polycarbonate resin having a viscosity average molecular weight of 10,000 to 100,000 and (B) 1 to 99 weight parts of a styrene resin, and also containing (C) a phosphoric ester compound with an acid value of 1 or less, in an amount of 1 to 40 weight parts per combined 100 weight parts of (A)&plus;(B), and (D) a reinforcing agent in an amount of 1 to 100 weight parts per combined 100 weight parts of (A)&plus;(B)&plus;(C).

Polycarbonate resin composition

A fire-resistant polycarbonate resin composition containing A) 5-50 parts by weight of liquid crystal polymer, B) 90-40 parts by weight of polycarbonate resin, C) 2-20 parts by weight of flame retardant, and 0.1-1.0 parts by weight of polytetrafluoroethylene.

Thin-wall housing

A thermoplastic resin composition containing

Low-gloss thermoplastic resin compositions

According to the present invention, there is provided an improvement which comprises adding an acid compound and if necessary an epoxy compound to a reaction product resulting from melt polycondensation reaction of an aromatic dihydroxy compound with a carbonic acid diester in the presence of an alkaline compound catalyst.

Processes for preparing aromatic polycarbonates

Resin composition comprising (A) 1-99 parts by weight of a copolymeric polycarbonate, in which there are structural units represented by the following formulas (Structure 1) and (Structure 2) and the amount of the structural unit of the (Structure 2) is in the range of 2-90 mol % of the total amount of the structural units of the (Structure 1) and (Structure 2), or its mixture with a polycarbonate resin; (B) 1-99 parts by weight of SAN resin; and at the same time, of the total amount of (A) and (B) as 100 parts by weight, (C) 0.5-40 parts by weight of ABS resin and (D) 0.5-40 parts by weight of a rubber complex graft copolymer comprising rubber complex containing polyorganosiloxane and polyalkyl (meth)acrylate with a graft-polymerized vinyl monomer.

Impact resistant resin composition

Improved flow copolycarbonate compositions are provided containing resorcinol repeat units and containing styrene-acrylonitrile copolymers. The compositions may additionally comprise a rubbery polymer and an inorganic filler, such as glass fibers.

Copolycarbonate compositions having improved surface appearance

Polycarbonate resin compositions and methods for their preparation are disclosed. The disclosed compositions are comprised of polycarbonate resins and esters of aliphatic carboxylic acids and alcohols and exhibit good mold release and thermal stability while experiencing little discoloration during molding.

Polycarbonate resin compositions

A thermoplastic resin composition which contains 1-99 parts by weight of a polycarbonate resin and/or a copolyester carbonate resin, 99-1 parts by weight of a copolymer containing an aromatic vinyl monomer component, and a vinyl cyanide monomer component, and 1-40 parts by weight, based on 100 parts by weight of the resin and the copolymer combined, of a copolymer obtained by grafting onto a rubbery polymer an acrylic monomer provides polycarbonate resin compositions having excellent low-temperature impact properties and outstanding moldability.

Thermoplastic resin compositions

A resin composition containing 99-50 parts by weight of (A), a copolymeric polycarbonate having the constituent units described by formulas (1) and (2), hereinbelow, and in which the constituent unit in formula (2) accounts for 2-90 mole percent of the constituent units (1) and (2) and 1-50 parts by weight of (B) glass fiber having a mean fiber diameter of less than 10 .mu.m. ##STR1## where each R.sup.4 and R.sup.5 is independently a halogen atom or a monovalent hydrocarbon radical; B is --(R.sup.1 --)C(--R.sup.2)-- where each R.sup.1 and R.sup.2 is independently a hydrogen atom or a monovalent hydrocarbon radical, --C(.dbd.R.sup.3)-- where R.sup.3 is a divalent hydrocarbon radical, --O--, --S--, --SO--, or --SO.sub.2 --; R.sup.6 is a hydrocarbon radical with 1-10 carbon atoms, a halide thereof, or a halogen atom; and each p, q, and n is independently an integer ranging from 0 to 4.

Glass-reinforced polycarbonate resin composition

Optical grade polycarbonate resin compositions and methods for their preparation are disclosed. The disclosed compositions are comprised of polycarbonate resins and esters of aliphatic carboxylic acids and alcohols and exhibit good mold release and thermal stability while experiencing little discoloration during molding.

Optical-grade polycarbonate resin compositions

Polycarbonate resin compositions suitable for optical uses and methods for their preparation are disclosed. The disclosed compositions are comprised of polycarbonate resins and .alpha.-olefin oligomers and exhibit good mold release and thermal stability while experiencing little discoloration or molecular weight reduction during molding.

Polycarbonate resin compositions for optical use

Glycidyl (meth)-acrylate polymer and an organic acid, phosphoric acid, phosphorous acid, hypophosphoric acid and/or a compound other than an organic acid containing one or more functional groups selected from among carboxyl, amino, hydroxyl, acid anhydride and thiol groups added to an aromatic polycarbonate resin composition, decrease the luster of the composition without compromising the properties of the composition.

Polycarbonate resin compositions methods for their preparation are disclosed. The disclosed compositions are comprised of polycarbonate resins and .alpha.-olefin oligomers and exhibit good mold release and thermal stability while experiencing little discoloration or molecular weight reduction during molding.

The object of this invention is to provide polycarbonate resin compositions.

Filled polycarbonate resin composition

An aromatic polycarbonate resin composition which contains

Growing community of inventors

Utsunomiya, Japan

Hideyuki Itoi