C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
74/246, 402/326,
C08F 8/38 (2006.01) C08L 9/00 (2006.01) C08L 11/00 (2006.01) C08L 23/34 (2006.01) F16G 1/06 (2006.01) F16G 5/06 (2006.01) F16G 5/20 (2006.01)
Patent
CA 2039188
POWER TRANSMISSION BELT ABSTRACT A power transmission belt having improved service life in high and low temperature environments is disclosed, The power transmission belt includes a compressed rubber layer of a low density chlorosulfonated polyethylene having a straight-chain molecular structure which is formed so that the chlorine concent is within the range of about 15 to about 35% by weight. The chlorosulfonated polyethylene can have a sulfur content in the range of about 0.5 to about 2.5% by weight. A magnesium oxide-aluminum oxide solid solution can be admixed with the chlorosulfonated polyethylene. The power transmission belt can also include an adhesion rubber layer made of a chloroprene rubber composition or a hydrogenated acrylonitrile-butadiene rubber composition with at least one tension member at least partially embedded therein.
Ishida Kazutoshi
Nakajima Masayoshi
Takeda Kazuhiro
Finlayson & Singlehurst
Mitsuboshi Belting Ltd.
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