Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1975-03-21
1978-08-15
Seccuro, Carman J.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260 336A, 260 4595R, 260880R, G08L 5502
Patent
active
041072340
ABSTRACT:
Disclosed is a novel polybutadiene or butadiene-styrene copolymer based gum plastic having excellent impact strength and weather aging resistance and a method for its preparation. The ABS composition of the invention is a matrix of a polymer of at least one monoethylenically unsaturated monomer and a graft copolymer comprising a graftable rubber substrate which is formed from a mixture of a pre-crosslinked polybutadiene or SBR spine latex, and a low-gel elastomer which has been at least partially cross-linked during the preparation of the product. Within certain ratios of cross-linked spine to low-gel spine, significant improvements in impact strength and weather aging resistance are achieved. In the method of preparation, the latex, monomers and low-gel elastomer, are converted directly to the final product by a conventional suspension polymerization process.
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patent: 3222422 (1965-12-01), Cohen
patent: 3509238 (1970-04-01), Aubrey et al.
patent: 3624183 (1971-11-01), Leach et al.
patent: 3851014 (1974-11-01), Dalton
patent: 3887652 (1975-06-01), Carrock et al.
patent: 3929722 (1975-12-01), Bak et al.
Ginsburg Paul H.
Seccuro Carman J.
Uniroyal Inc.
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