公开(公告)号：US20160251285A1

公开(公告)日：2016-09-01

申请号：US15053634

申请日：2016-02-25

Applicant: THE CHEMOURS COMPANY FC, LLC

Inventor： MING HONG HUNG ,  ALEXANDER ANTHONY MARCHIONE ,  PETER A. MORKEN

IPC: C07C17/395

CPC classification number: C07C17/395 ,  C07C17/013 ,  C07C17/093 ,  C07C17/26 ,  C07C17/263 ,  C07C19/16

Abstract: The present invention is the process comprising forming a stable mixture comprising I(CF2)nI, wherein n is at least 3 and at least one of I(CF2)nI, wherein n is 1 or 2, as a contaminant in said mixture and heating said mixture to a temperature of at least 220° C. to reduce the amount of said contaminant to be no greater than 1% when said contaminant is ICF2I (n=1) and no greater than 0.1% when said contaminant is ICF2CF2I (n=2).

Abstract translation: 本发明包括形成包含I（CF 2）n I的稳定混合物，其中n为至少3，并且I（CF 2）n I，其中n为1或2的至少一种作为所述混合物中的污染物和加热 所述混合物至少为220℃，当所述污染物为ICF2I（n = 1）时，将所述污染物的量减少至不大于1％，当所述污染物为ICF2CF2I时，所述污染物的量不大于0.1％（n = 2）。

公开(公告)号：US20240002553A1

公开(公告)日：2024-01-04

申请号：US18029520

申请日：2021-09-30

Applicant: THE CHEMOURS COMPANY FC, LLC

Inventor： PHAN LINH TANG ,  MICHAEL DEEMER ,  VINCENT FRANCO ,  STEVEN FURYK ,  STEPHEN JAMES GETTY ,  DIPTI DILIP KHASNIS ,  XIAOLIN LIU ,  ALEXANDER ANTHONY MARCHIONE ,  ANDRII MATSNEV ,  BENJAMIN WEAVER MESSMORE ,  PETER A. MORKEN ,  CAMERON PARRISH ,  ADAM PAUL SMITH ,  EDWARD PATRICK CAREY

IPC: C08F14/22 ,  C08F14/28 ,  C08F14/26 ,  C07C317/22 ,  C07C317/14 ,  C07F9/09 ,  C07C309/31

CPC classification number: C08F14/22 ,  C08F14/28 ,  C08F14/26 ,  C07C317/22 ,  C07C317/14 ,  C07F9/09 ,  C07C309/31

Abstract: A process for polymerizing at least one fluoromonomer in an aqueous medium containing initiator and hydrocarbon dispersing agent to form an aqueous dispersion of particles of fluoropolymer. The hydrocarbon dispersing agent comprises a compound of formula I:


R—(XZ)n  I

wherein R is a hydrophobic hydrocarbon moiety that comprises one or more saturated or unsaturated, non-cyclic or cyclic aliphatic groups, the percentage of total CH3 groups in relation to the total of CH3, CH2 and CH groups in said one or more aliphatic groups being at least about 70%, said hydrophobic moiety being free of siloxane units; wherein each X may be the same or different and represents an ionic hydrophilic moiety; wherein each Z may be a same or different and represents one or more counter ions for said ionic hydrophilic moiety; and wherein n is 1 to 3.