Back to results
US 7,405,252 B2Granted
Vinyl chloride resin composition
AssigneeAdeka Corporation
InventorsHidehiro Ishizuka, Daisuke Takeda, Yutaka Yonezawa
Life of this patent
Estimating the term…
Abstract
A vinyl chloride resin composition comprising 100 parts by mass of a vinyl chloride resin and a co-ground mixture of (a) 0.001 to 10 parts by mass of at least one member selected from the group consisting of an organic phosphoric ester compound and a metal salt thereof and (b) 0.001 to 10 parts by mass of a grinding aid. The composition is excellent in transparency, heat stability, and heat discoloration resistance.
Claims14
A vinyl chloride resin composition, comprising:
- 100 parts by mass of a vinyl chloride resin;
- and
- a co-ground mixture obtained by co-grinding a mixture of:
- (a) 0.001 to 10 parts by mass of at least one member selected from the group consisting of an organic phosphoric ester compound and a salt thereof represented by general formula (I):
- wherein R1, R2, and R3 each represent a hydrogen atom or a straight-chain or branched alkyl group having 1 to 18 carbon atoms;
- R4 represents a hydrogen atom or a methyl group;
- n represents 1 or 2;
- M represents a hydrogen atom or an alkali metal atom when n is 1, or M represents an alkaline earth metal atom or a zinc atom when n is 2, and
- (b) 0.001 to 10 parts by mass of a grinding aid.
6 more elements
Dependencies are inferred from the claim text.