C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/38
C08F 220/10 (2006.01) C08F 22/26 (2006.01) C08F 220/12 (2006.01) C08F 220/28 (2006.01) C08L 33/06 (2006.01)
Patent
CA 1294727
ABSTRACT OF THE DISCLOSURE An acrylic rubber obtainable by copolymerizing a monomer mixture of: (A) 70 to 99.99% by weight of at least one compound selected from the group consisting of alkyl acrylates and alkoxyalkyl acrylates, (B) 0.01 to 10% by weight of at least one compound represented by the general formula: Image wherein R1 is a hydrogen atom or a methyl group; X is a hydrogen atom, -COOR6 (R6 is an alkyl group having 1-10 carbon atoms or an alkoxyalkyl group having 2-14 carbon atoms), or Image ; R2 , R3 and R4 are independently hydrogen atoms or groups having 1-10 carbon atoms whose carbon atom adjacent to C=C has no hydrogen; R5 is a group having 1-10 carbon atoms whose carbon atom adjacent to C=C has no hydrogen; Y is Image or -O-; and n is 1 or 0, and (C) 0-20% by weight of at least one compound selected from the group consisting of other unsaturated compounds of the vinyl type, vinylidene type and vinylene type, in the presence of a radical polymerization initiator. Said acrylic rubber, when crosslinked with a crosslinking agent, gives a cured article having good heat resistance and a good compression set property and accordingly suitable for use as a hose or a sealing material.
562489
Enyo Hiroji
Ise Hiroshi
Miyabayashi Toshio
Ohhara Toshio
Sato Hozumi
Fetherstonhaugh & Co.
Jsr Corporation
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