The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 13, 2017
Filed:
Dec. 17, 2013
Solvay Specialty Polymers Italy S.p.a., Bollate, IT;
Ivan Wlassics, Garessio, IT;
Roberto Biancardi, Bellinzago Lombardo, IT;
Pasquale Campanelli, Calimera, JP;
Emanuele Di Nicolo', Paderno Dugnano, IT;
Aldo Sanguineti, Milan, IT;
Claudio Adolfo Pietro Tonelli, Paderno d'Adda, IT;
SOLVAY SPECIALTY POLYMERS ITALY S.P.A., Bollate (Milan), IT;
Abstract
The present invention pertains to a process for the manufacture of a grafted fluoropolymer [polymer (Fg)], said process comprising reacting: A) at least one fluoropolymer comprising at least one functional group selected from the group consisting of a hydroxyl group and a carboxylic acid group [polymer (F)], B) at least one polyoxyalkylene (POA) of formula (I): R—(CH—O)—(CHCHRO)—(CH—O)—R, wherein at least one of Rand Ris a reactive group comprising at least one heteroatom selected from oxygen and nitrogen different from the hydroxyl group, the remaining, if any, being a —[O]—CHalkyl group, wherein z is 0 or 1, Ris a hydrogen atom or a C-Calkyl group, x and x', equal to or different from each other, are independently 0 or 1, and n is an integer comprised between 2 and 1000, preferably between 5 and 200, C) optionally, in the presence of at least one catalyst, and D) optionally, in the presence of at least one organic solvent (S). The present invention also pertains to grafted fluoropolymers obtained from said process and to uses of said grafted fluoropolymers for manufacturing porous membranes.