C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/6481
C08L 9/02 (2006.01) C08L 27/06 (2006.01)
Patent
CA 2028936
ABSTRACT OF THE DISCLOSURE The present invention relates to a carbon black-containing, nitrile rubber-polyvinyl chloride polyblend rubber composition used as a material for molded articles having a portion for glass movement with rubbing, such as a glass run. The composition comprises: 1) a polyvinyl chloride content of the nitrile rubber-polyvinyl chloride polyblend is 15 to 30% by weight, 2) a nitrile rubber of a moderate-nitrile type or a moderate-high-nitrile type, and 3) carbon black with a particle size of 30 to 80 mµ, wherein the polymerization degree of the poly- vinyl chloride is such that P = 1000 to 1500. The composition of the present invention can be used as a material for rubber molded articles having a portion for glass movement with rubbing, such as a glass run. Such articles possess improved impact resilience and resistance to compression set.
Hayashi Hidenori
Nakata Rikizou
Saiki Takayoshi
Donnelly Victoria
Hayashi Hidenori
Nakata Rikizou
Saiki Takayoshi
Toyoda Gosei Co. Ltd.
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