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发明公开
CN106046206A 一种制备可熔性含氟聚合物的水乳液聚合方法 有权

一种制备可熔性含氟聚合物的水乳液聚合方法
摘要：
本发明公开了一种制备可熔性含氟聚合物的水乳液聚合方法，使用全氟烷基乙酸盐作为链转移剂来调聚聚合反应，该全氟烷基乙酸盐的通式为CF3(CF2)nCH2COOX，n为0‑6之间的整数，X为金属或非金属阳离子，该链转移剂链转移反应过程为CF3(CF2)nCH2COO‑+R‑CF2‑CF2·→R‑CF2‑CF2H+CF3(CF2)nCH·COO‑。本发明制得的可熔性含氟聚合物，有较佳力学性能和分子量分布，并具有挥发分低和不变色的优点。
摘要（英）：

The invention discloses a water emulsion polymerization method for preparing a meltable fluorine-containing polymer. The method includes: using all-fluorine alkyl acetate as a chain transfer agent to adjust polymerization, wherein a general formula of all-fluorine alkyl acetate is CF3(CF2)nCH2COOX, n is an integer between 0 and 6, X is metal or nonmetal ion, and the chain transfer reaction process is CF3(CF2)nCH2COO-+R-CF2-CF2 to R-CF2-CF2H+CF3(CF2)nCH COO-.The meltable fluorine-containing polymer prepared by the method is excellent in mechanical performance and molecular weight distribution and has the advantages of low volatile and no color change.

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