- 专利标题: RUBBER COMPOSITION FOR PAPER FEED ROLL AND PAPER FEED ROLL
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申请号: US16098480申请日: 2018-04-27
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公开(公告)号: US20210238387A1公开(公告)日: 2021-08-05
- 发明人: Akitoshi TAHARA
- 申请人: YAMAUCHI CORPORATION
- 申请人地址: JP Hirakata-shi, Osaka
- 专利权人: YAMAUCHI CORPORATION
- 当前专利权人: YAMAUCHI CORPORATION
- 当前专利权人地址: JP Hirakata-shi, Osaka
- 优先权: JP2017-092004 20170502
- 国际申请: PCT/JP2018/017224 WO 20180427
- 主分类号: C08K5/109
- IPC分类号: C08K5/109 ; C08K3/06 ; C08L23/16 ; B65H5/06 ; B65H3/06
摘要:
A rubber composition for a paper feed roll contains at least a polymer component and a softener, has a 30% Mod (−40° C.) of less than or equal to 0.94 MPa, the 30% Mod (−40° C.) representing a modulus in 30% elongation at −40° C., and has an E1 (22° C.)/number of parts by mass of softener of greater than or equal to 0.008 MPa/phr, the E1 (22° C.)/number of parts by mass of softener representing a value of a dynamic modulus of elasticity at 22° C. E1 (22° C.) in temperature variance measurement of dynamic viscoelasticity, divided by the number of parts by mass of the softener relative to 100 parts by mass of the polymer component. These configurations provide a rubber composition for a paper feed roll and a paper feed roll that are excellent in maintainability of a coefficient of friction and wear resistance.
公开/授权文献
- US11124626B2 Rubber composition for paper feed roll and paper feed roll 公开/授权日:2021-09-21
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