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US 6,284,823 B1Granted
Antistatic acrylic resin composition
AssigneeMitsubishi Gas Chemical Company, Inc.
InventorsYukio Kokuzawa, Kazunobu Sato
Life of this patent
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Abstract
Acrylic resin compositions having excellent antistaticity, good appearance and superior optical properties made by blending (A) 100 parts by weight of an acrylic resin; (B) a phosphonium sulfonate consisted of organic sulfonate anion and organic phosphonium cation; (C) a lithium benzenesulfonate; and (D) 0.05 to 2.0 parts by weight of a fatty acid ester and/or amide, wherein (B)/(C) is 2/8 to 8/2 by weight and (B) plus (C) is 0.2 to 2.5 parts by weight.
Claims7
An acrylic resin composition which comprises:
- (A) 100 past by weight of an acrylic resin;
- (B) a phosphonium sulfonate which comprises at least one of tetrabutylphosphonium dodecylbenzenesulfonate or tetrabutylphosphonium 1,6,8-trimethylnonylbenzenesulfonate;
- (C) a lithium sulfonate represented by the formula (II):
- wherein R1 represents a straight-chain or branched long-chain alkyl or alkenyl group having 8 to 22 carbon atoms, the weight ratio of (B)/(C) is within the range from 2/8 to 8/2, and the total amount of (B) and (C) is 0.2 to 2.5 parts by weight;
- and
- (D) 0.05 to 2.0 parts by weight of at least one compound selected from among fatty acid esters and fatty acid amides, said fatty acid esters comprising stearic acid monoglyceride or hardened caster oil and said fatty acid amides comprising ethylene-bis-stearoamide.
3 more elements
An acrylic resin composition which comprises:
- (A) 100 parts by weight of a methyl methacrylate-styrene copolymer resin having from 80:20 to 50:50, by weight, of methyl methacrylate units relative to styrene units;
- (B) a phosphonium sulfonate selected from the group consisting of tetrabutylphosphonium dodecylbenzenesulfonate and tetrabutylphosphonium 1,6,8-trimethylnonylbenzenesulfonate;
- (C) at least one lithium sulfonate, said lithium sulfonate comprising lithium dodecylbenzenesulfonate,
- wherein the ratio of (B)/(C) is within a range of from 2/8 to 8/2, and wherein the total amount of (B) and (C) is 0.2 to 2.5 parts by weight;
- and
- (D) 0.05 to 2.0 parts by weight of ethylene-bis-stearoamide.
3 more elements
Dependencies are inferred from the claim text.