Title:
PEROXIDE VULCANIZING AGENT IN LIQUID STATE OR LOW MELTING POINT SOLID STATE OR PRELININARY DISPERSION COMPOSITION OF VULCANIZING AID
Document Type and Number:
Japanese Patent JPS58194944
Kind Code:
A
Abstract:
A non-bleeding, predispersed composition useful for dispersing a peroxide vulcanizing agent or coagent into a rubber or plastic stock is disclosed which comprises (A) from about 20 to about 70 percent by weight of a peroxide vulcanizing agent or coagent, and (B) a multi-stage graft copolymer comprising (1) from about 70 to about 90 percent by weight of a hard portion made by graft polymerizing (a) a monomer or monomers selected from the group consisting of lower alkyl methacrylates, styrene, and mixtures thereof, and (b) a small but effective amount of a cross-linking agent for said monomer or monomers, in any order onto (2) from about 10 to about 30 percent by weight of a rubbery portion comprising a polymer or copolymer made by polymerizing (a) a monomer selected from the group consisting of butadiene and lower alkyl acrylates or (b) a mixture of monomers selected from the group consisting of styrene and butadiene, and acrylonitrile and butadiene.
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Inventors:
ANDAASU JIYARUMAA YOHANSON
TOUMASU JIYOSEFU REO
TOUMASU JIYOSEFU REO
Application Number:
JP7087783A
Publication Date:
November 14, 1983
Filing Date:
April 21, 1983
Export Citation:
Assignee:
UIROU ANDO ROUZAA INC
International Classes:
C08F291/02; C08J3/20; C08K5/14; C08L51/00; C08L51/02; C08L51/04; (IPC1-7): C08J3/20; C08K5/14; C08L51/00
Attorney, Agent or Firm:
Tatsuyuki Unuma