Patent ID: 6319986
Filing Date: 2001-11-20
Classification: C08L,Y10T

Abstract:
A semiaromatic polyamide resin composition consisting essentially of(A) a copolyamide formed of a recurring unit of a dicarboxylic acid component unit and a diamine component unit, at least 45 mol % of said dicarboxylic acid component unit being a terephthalic acid component unit, and said diamine component unit consisting essentially of 55 to 99 mol % of a straight-chain alkylenediamine component unit having 4 to 18 carbon atoms and 1 to 45 mol % of an alkylenediamine component unit having a side-chain alkyl group and 4 to 18 carbon atoms;(B) an aliphatic polyamide containing not smaller than 50 mol % of the total amount of at least one unit selected from the group consisting of (i) a unit derived from a lactam having 12 carbon atoms, (ii) a unit derived from an aminocarboxylic acid having 12 carbon atoms and (iii) a unit derived from a dodecanoic diacid and a diamine; and(C) at least one graft-modified product selected from the group consisting of a graft-modified product of an ethylene/.alpha.-olefin copolymer, wherein said .alpha.-olefin has 3 to 20 carbon atoms, a graft-modified product of an aromatic vinyl compound/conjugated diene copolymer, and a graft-modified product of a hydrogenated product of the aromatic vinyl compound/conjugated diene copolymer;said component (A) being contained in an amount of from 98 to 65% by weight, said component (B) being contained in an amount of from 1 to 10% by weight, and said component (C) being contained in an amount of from 1 to 25% by weight per the sum of the components (A), (B), and (C).