Title:
BLOCK COPOLYMER RUBBER, RESIN MODIFIER, RESIN COMPOSITION AND METHOD FOR PRODUCING THE SAME RESIN COMPOSITION
Document Type and Number:
Japanese Patent JP2001240637
Kind Code:
A
Abstract:
To provide an impact-resistant aromatic vinyl resin molded product excellent in impact resistance, gloss and heat stability of gloss and having small dispersion of gloss in the above molded product.
This aromatic vinyl-conjugated diene block copolymer rubber has 50-75 wt.% conjugated diene monomer unit content an 25-50 wt.% aromatic vinyl monomer content and has ≥50 wt.% vinyl bond unit in conjugated diene monomer unit and ≥70 wt.% aromatic vinyl-conjugated diene block ratio in aromatic vinyl monomer unit. This resin modifier comprises the above aromatic vinyl-conjugated diene block copolymer rubber as an active ingredient. An aromatic vinyl resin modified by using the above resin modifier is used as a molding material.
Inventors:
KONDO KATSUHITO
MATSUDA HIROAKI
TOYOSHIMA TETSUYA
MATSUDA HIROAKI
TOYOSHIMA TETSUYA
Application Number:
JP2000049858A
Publication Date:
September 04, 2001
Filing Date:
February 25, 2000
Export Citation:
Assignee:
NIPPON ZEON CO
International Classes:
C08L101/00; C08F2/44; C08F287/00; C08F297/04; C08L25/06; C08L53/02; (IPC1-7): C08F297/04; C08F2/44; C08F287/00; C08L101/00