C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/3031, 400/30
C08L 51/04 (2006.01) C08J 3/22 (2006.01) C08K 5/00 (2006.01) C08K 5/13 (2006.01) C08K 5/37 (2006.01) C08K 5/52 (2006.01)
Patent
CA 1335847
An impact modifier for a thermoplastic resin is disclosed, which comprises (I) 100 parts by weight of a graft copolymer formed by graft-polymerizing (B) a monomer having a vinyl group in the molecule onto (A) a butadiene polymer and, incorporated therein, (II) 0.01 to 5 parts by weight of a thioether type heat stabi- lizer, (III) 0.01 to 5 parts by weight of a phosphite type heat stabilizer and (IV) 0.01 to 5 parts by weight of a phenol type heat stabilizer having a molecular eight of at least 500. A thermoplastic resin compo- sition having this impact modifier incorporated therein exhibits a good heat discoloration resistance and heat deterioration resistance under high-temperature conditions, as well as an improved impact resistance.
594796
Katai Kiyokazu
Kishida Kazuo
Mohri Masaaki
Mcfadden Fincham
Mitsubishi Rayon Company Ltd.
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