发明名称 |
POLYURETHANE POWER TRANSMISSION BELT |
摘要 |
A power transmission belt having a main belt body portion of elastomeric material, a tensile reinforcement such as carbon fiber cord, disposed in said body portion, and a sheave contact portion integral with said main body portion. The elastomeric material includes the reaction product of a polyisocyanate prepolymer composition and a chain extender. The polyisocyanate prepolymer composition is prepared by reacting a diisocyanate and a polyol substantially free of moieties oxidative at less than about 150° C. and at least one triol crosslinker selected from the same group of polyols. Either before or after reacting the prepolymer, a plasticizer selected from the group consisting of alkyl-ether di-alkylesters such as polyethylene glycol di-alkylester is added thereto. The chain extender is an aromatic symmetric primary or secondary diamine chain extenders. |
申请公布号 |
EP2252638(A1) |
申请公布日期 |
2010.11.24 |
申请号 |
EP20090720158 |
申请日期 |
2009.03.05 |
申请人 |
THE GATES CORPORATION |
发明人 |
WU, WILLIAM;DUKE, JOSEPH, R.;STAMP, JAMES, R.;VISSER, HARRY, D. |
分类号 |
C08G18/12;C08G18/42;C08G18/44;C08G18/75;C08G18/76 |
主分类号 |
C08G18/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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