发明名称 |
PROCESS FOR THE PREPARATION OF A MERCAPTO-TERMINATED LIQUID POLYMER |
摘要 |
Process for the preparation of a mercapto-terminated liquid polymer comprising the steps of: a) reacting (para)formaldehyde with a halo-alcohol to form a reaction mixture comprising bis(2-dihaloalkyl)formal and b) reacting the reaction mixture of step a) with either (i) sodium polysulfide or (ii) a combination of sodium hydrosulfide and sulfur, wherein the process is performed in the presence of a branching agent selected from the group consisting of di-aldehydes and their corresponding actetals and hemi-acetals. |
申请公布号 |
EP3110875(A1) |
申请公布日期 |
2017.01.04 |
申请号 |
EP20150706018 |
申请日期 |
2015.02.23 |
申请人 |
Akzo Nobel Chemicals International B.V. |
发明人 |
MENZEL, Manfred;KLOBES, Olaf;BURKHARDT, Volker |
分类号 |
C08G75/00;C07C319/22;C07C321/04;C08G75/10;C08L81/00;C08L81/02 |
主分类号 |
C08G75/00 |
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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