The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 04, 1976
Filed:
Oct. 10, 1974
Teizo Kudo, Ohimachi, JA;
Yoshio Hashizume, Ohimachi, JA;
Masanori Itoh, Ohimachi, JA;
Makoto Shiga, Ohimachi, JA;
Daicel Ltd., Osaka, JA;
Abstract
A new impact-resistant ABS resin composition is disclosed comprising (1) 100 parts by weight of a graft copolymer of vinyl aromatic monomer and vinyl cyanide monomer, said copolymer being grafted onto butadiene rubber particles of a size of from 0.5 to 2.0 .mu. dispersed in the graft copolymer and (2) 1 to 10 parts by weight of a straight chain saturated polyester having an average molecular weight of from 1000 to 50000. The composition is prepared by the bulk-suspension two stage polymerization of vinyl aromatic monomer and vinyl cyanide monomer in the presence of butadiene rubber component. The polyester is incorporated during either the bulk polymerization stage or the suspension polymerization stage, or it is blended with the ABS polymer after the two stage polymerization is completed.