- 专利标题： Method for producing oxymethylene copolymer
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申请号： US14901783申请日： 2014-06-30
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公开(公告)号： US10280258B2公开(公告)日： 2019-05-07
- 发明人: Daigo Nakaya , Toru Takahashi , Satoshi Mochida
- 申请人： MITSUBISHI GAS CHEMICAL COMPANY, INC.
- 申请人地址： JP Tokyo
- 专利权人： MITSUBISHI GAS CHEMICAL COMPANY, INC.
- 当前专利权人： MITSUBISHI GAS CHEMICAL COMPANY, INC.
- 当前专利权人地址： JP Tokyo
- 代理机构： Greenblum & Bernstein, P.L.C
- 优先权： JP2013-137734 20130701; JP2013-137735 20130701
- 国际申请： PCT/JP2014/067426 WO 20140630
- 国际公布： WO2015/002147 WO 20150108
- 主分类号： C08G65/10
- IPC分类号： C08G65/10 ; C08G65/30 ; C08K5/13 ; C08K5/3492 ; C08G2/04 ; C08G2/06 ; C08G2/10 ; C08G2/24 ; C08L59/04
摘要：
The present invention provides a method for producing an oxymethylene copolymer which involves polymerizing trioxane and a comonomer cationically at a polymerization temperature of 135° C. to 300° C. in the presence of a protic acid salt having the molecular weight of 1000 or less, and at least one polymerization initiator selected from the group consisting of protic acids, protic acid anhydrides, and protic acid ester compounds having the molecular weight of 1000 or less.
公开/授权文献
- US20160369050A1 METHOD FOR PRODUCING OXYMETHYLENE COPOLYMER 公开/授权日：2016-12-22
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