公开(公告)号：US10227531B2

公开(公告)日：2019-03-12

申请号：US15323869

申请日：2015-07-07

Applicant: Bromine Compounds Ltd.

Inventor： Mark Gelmont ,  Michael Yuzefovich ,  David Yoffe ,  Renata Yelizarov ,  Ron Frim ,  Lior Melamed

IPC: C09K21/14 ,  C08F8/22 ,  C08F8/24 ,  C08G65/48 ,  C08L77/06 ,  C08L23/14 ,  C09K21/02 ,  C08K3/22 ,  C08K5/00 ,  C08K5/098 ,  C08K7/14 ,  C08L27/10 ,  C08L27/24

Abstract: The invention provides a process for preparing bromine-containing polymers, comprising a Friedel-Crafts alkylation reaction of pentabromobenzyl halide with a polymer reactant which contains one or more six-membered aromatic ring(s) in its repeat unit, in the presence of at least one Friedel-Crafts catalyst. The so-formed bromine-containing polymers, having pendent —CH2C6Br5 groups attached to at least a portion of the six-membered aromatic rings of the polymer, with a carbon ring atom of said six-membered aromatic ring being bonded to the aliphatic carbon of said —CH2C6Br5 pendent group, are also provided. These bromine-containing polymers are useful as flame retarding agents.

公开(公告)号：US20190144754A1

公开(公告)日：2019-05-16

申请号：US16246617

申请日：2019-01-14

Applicant: Bromine Compounds Ltd.

Inventor： Mark Gelmont ,  Michael Yuzefovich ,  David Yoffe ,  Renata Yelizarov ,  Ron Frim ,  Lior Melamed

IPC: C09K21/14 ,  C08L27/24 ,  C08L27/10 ,  C08K7/14 ,  C08K5/098 ,  C08K5/00 ,  C08K3/22 ,  C08F8/22 ,  C09K21/02 ,  C08L23/14 ,  C08L77/06 ,  C08G65/48 ,  C08F8/24

Abstract: The invention provides a process for preparing bromine-containing polymers, comprising a Friedel-Crafts alkylation reaction of pentabromobenzyl halide with a polymer reactant which contains one or more six-membered aromatic ring(s) in its repeat unit, in the presence of at least one Friedel-Crafts catalyst. The so-formed bromine-containing polymers, having pendent —CH2C6Br5 groups attached to at least a portion of the six-membered aromatic rings of the polymer, with a carbon ring atom of said six-membered aromatic ring being bonded to the aliphatic carbon of said —CH2C6Br5 pendent group, are also provided. These bromine-containing polymers are useful as flame retarding agents.

公开(公告)号：US20170145313A1

公开(公告)日：2017-05-25

申请号：US15323869

申请日：2015-07-07

Applicant: Bromine Compounds Ltd.

Inventor： Mark Gelmont ,  Michael Yuzefovich ,  David Yoffe ,  Renata Yelizarov ,  Ron Frim ,  Lior Melamed

IPC: C09K21/14 ,  C08L77/06 ,  C09K21/02 ,  C08L23/14 ,  C08F8/24 ,  C08G65/48

CPC classification number: C09K21/14 ,  C08F8/22 ,  C08F8/24 ,  C08G65/485 ,  C08K3/2279 ,  C08K5/005 ,  C08K5/098 ,  C08K7/14 ,  C08L23/14 ,  C08L27/10 ,  C08L27/24 ,  C08L77/06 ,  C08L2201/02 ,  C09K21/02 ,  C08F112/08

Abstract: The invention provides a process for preparing bromine-containing polymers, comprising a Friedel-Crafts alkylation reaction of pentabromobenzyl halide with a polymer reactant which contains one or more six-membered aromatic ring(s) in its repeat unit, in the presence of at least one Friedel-Crafts catalyst. The so-formed bromine-containing polymers, having pendent —CH2C6Br5 groups attached to at least a portion of the six-membered aromatic rings of the polymer, with a carbon ring atom of said six-membered aromatic ring being bonded to the aliphatic carbon of said —CH2C6Br5 pendent group, are also provided. These bromine-containing polymers are useful as flame retarding agents.