US 12,252,566 B2
Fluorine-containing mixture material and fluorine-containing super-oleophobic microporous membrane using same as raw material, and preparation method therefor and use thereof
Huisheng Wu, Zhejiang (CN); and Ying Yang, Zhejiang (CN)
Assigned to ZHEJIANG HYPROOF TECHNOLOGY CO., LTD., Zhejiang (CN)
Filed by Zhejiang Hyproof Technology Co., Ltd, Zhejiang (CN)
Filed on Jun. 2, 2023, as Appl. No. 18/205,020.
Application 18/205,020 is a continuation of application No. 16/624,939, granted, now 11,702,494, previously published as PCT/CN2018/081857, filed on Apr. 4, 2018.
Claims priority of application No. 201710470817.9 (CN), filed on Jun. 20, 2017; application No. 201710471959.7 (CN), filed on Jun. 20, 2017; and application No. 201710471962.9 (CN), filed on Jun. 20, 2017.
Prior Publication US 2023/0303742 A1, Sep. 28, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. C08F 2/46 (2006.01); B29C 48/00 (2019.01); B29C 48/06 (2019.01); B32B 5/02 (2006.01); B32B 7/14 (2006.01); B32B 27/12 (2006.01); B32B 27/20 (2006.01); B32B 27/30 (2006.01); B32B 37/12 (2006.01); B32B 37/18 (2006.01); C08F 2/50 (2006.01); C08F 214/26 (2006.01); C08F 220/18 (2006.01); C08G 18/12 (2006.01); C08G 18/48 (2006.01); C08G 18/67 (2006.01); C08G 18/75 (2006.01); C08G 61/04 (2006.01); C08J 5/18 (2006.01); C08L 27/18 (2006.01); B29K 27/18 (2006.01); B29K 33/00 (2006.01); B29K 105/00 (2006.01); B29K 105/04 (2006.01); B29K 507/04 (2006.01); B29K 509/02 (2006.01); B29L 31/00 (2006.01); B29L 31/48 (2006.01)
CPC C08F 220/1811 (2020.02) [B29C 48/0018 (2019.02); B29C 48/0019 (2019.02); B29C 48/0021 (2019.02); B29C 48/022 (2019.02); B29C 48/06 (2019.02); B32B 5/024 (2013.01); B32B 7/14 (2013.01); B32B 27/12 (2013.01); B32B 27/20 (2013.01); B32B 27/304 (2013.01); B32B 27/308 (2013.01); B32B 37/12 (2013.01); B32B 37/182 (2013.01); C08F 214/262 (2013.01); C08G 18/12 (2013.01); C08G 18/4825 (2013.01); C08G 18/6755 (2013.01); C08G 18/758 (2013.01); C08J 5/18 (2013.01); C08L 27/18 (2013.01); B29K 2027/18 (2013.01); B29K 2033/08 (2013.01); B29K 2105/0088 (2013.01); B29K 2105/041 (2013.01); B29K 2507/04 (2013.01); B29K 2509/02 (2013.01); B29K 2995/0065 (2013.01); B29K 2995/0069 (2013.01); B29L 2031/4842 (2013.01); B29L 2031/755 (2013.01); B32B 2262/0261 (2013.01); B32B 2270/00 (2013.01); B32B 2305/026 (2013.01); B32B 2305/188 (2013.01); B32B 2307/724 (2013.01); B32B 2307/7265 (2013.01); B32B 2327/18 (2013.01); B32B 2333/08 (2013.01); B32B 2377/00 (2013.01); B32B 2437/00 (2013.01); C08J 2327/18 (2013.01); C08J 2475/14 (2013.01); C08L 2203/16 (2013.01)] 20 Claims
 
1. A fluorine-containing mixture for a fluorine-containing super-oleophobic microporous membrane, comprising the following compositions in weight percent:
Component A: about 50% to about 90%;
Component B: about 8.5% to about 16.4%;
Component C: 0% to about 35%; and
Component D: 0% to about 3%;
wherein:
Component A comprises high molecular weight polytetrafluoroethylene homopolymer or copolymer dispersion resin;
Component B comprises one or more fluorine-containing alkyl acrylate monomers selected from the group consisting of comprising perfluorobutyl ethyl acrylate, perfluorobutyl ethyl methacrylate, perfluorohexyl ethyl acrylate, perfluorooctylethyl acrylate, perfluorooctylethyl methacrylate, n-methyl perfluorobutyl sulfonate ethyl methacrylate, n-methyl perfluorohexyl sulfonate ethyl acrylate, n-methyl perfluorohexyl sulfonate ethyl methacrylate, n-methyl perfluorooctyl sulfonate ethyl acrylate, and n-methyl perfluorooctyl sulfonate ethyl methacrylate;
Component C comprises one or more fluorine-free acrylates; and
Component D comprises high temperature free radical initiator.