发明名称 |
Process for depolymerization of acrylic acid polymers |
摘要 |
A method of removing acrylic acid polymer from processing vessels, e.g., distillation towers, which comprises contacting said polymer with a dialkyl phthalate in vapor or liquid form at elevated temperatures. This procedure dissolves and depolymerizes the polymer and removes it from the vessel.
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申请公布号 |
US4293347(A) |
申请公布日期 |
1981.10.06 |
申请号 |
US19800114133 |
申请日期 |
1980.01.21 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
HASCHKE, ELLIOT M.;LEWIS, BENNIE J. |
分类号 |
C09D9/00;(IPC1-7):B08B3/08;B08B7/00;B08B9/08 |
主分类号 |
C09D9/00 |
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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