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公开(公告)号：US11111376B2
公开(公告)日：2021-09-07
申请号：US16497790
申请日：2018-03-28
Applicant: Bromine Compounds LTD.
Inventor： Yaniv Hirschsohn , Eyal Eden
Abstract: A composition comprising: an impact modified styrene-containing polymer; at least one bromine-containing flame retardant; at least one dialkyl phosphinic acid metal salt M1n+(R1R2PO2)n wherein M1 is a metal cation with valence n and R1, R2 are alkyl groups which may be the same or different; at least one anti-dripping agent, wherein the total concentration of the bromine-containing flame retardant and the dialkyl phosphinic acid metal salt is less than 28% by weight based on the sum of all components in the composition, wherein said composition is free of antimony and meets UL-94 V-1/1.6 mm or UL-94 V-0/1.6 mm test requirements.
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2.发明申请PROCESS FOR THE POLYMERIZATION OF PENTABROMOBENZYL (METH) ACRYLATE, THE POLYMER OBTAINED AND USES THEREOF 有权苯甲腈（甲基）丙烯酸酯的聚合方法，获得的聚合物及其用途公开(公告)号：US20150259440A1
公开(公告)日：2015-09-17
申请号：US14435312
申请日：2013-10-17
Applicant: BROMINE COMPOUNDS LTD.
Inventor： Bertha Croitoru , Dov Beruben , Michael Peled , Yaakov Rachmilevitch , Yaniv Hirschsohn , Yelena Epshtein Assor , Ella Rapaport , Dan Kopel
IPC: C08F2/10 , D06M15/263 , C08L33/16 , C08L23/14 , C08L25/06
CPC classification number: C08F2/10 , C08F212/08 , C08F220/24 , C08L23/14 , C08L25/06 , C08L33/14 , C08L33/16 , C08L2201/02 , C08L2203/12 , D06M15/263 , D06M2101/06 , D06M2101/32 , D06M2200/30
Abstract: The invention provides a solution polymerization process, comprising polymerizing pentabromobenzyl acrylate or pentabromobenzyl methacrylate in a mixture of water-miscible aprotic solvent and water, in the presence of a water-soluble free radical initiator and preferably also chain length regulator. The polymers obtained and their uses as flame retardants in polypropylene, HIPS, ABS and textile products are also disclosed.
Abstract translation: 本发明提供一种溶液聚合方法，其包括在水溶性自由基引发剂和优选链长度调节剂的存在下，在水混溶性非质子传递溶剂和水的混合物中聚合丙烯酸五溴苄酯或甲基丙烯酸五溴苄酯。 获得的聚合物及其在聚丙烯，HIPS，ABS和纺织品中的阻燃剂的用途也被公开。
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公开(公告)号：US20170145151A1
公开(公告)日：2017-05-25
申请号：US15323847
申请日：2015-07-07
Applicant: Bromine Compounds Ltd.
Inventor： Mark Gelmont , Michael Yuzefovich , Andrew Piotrowski , David Yoffe , Ron Frim , Yaniv Hirschsohn
CPC classification number: C08G61/02 , C08G2261/12 , C08G2261/146 , C08G2261/148 , C08G2261/3424 , C08G2261/45 , C08L25/06 , C08L51/04 , C08L55/02 , C09K21/14 , C08L65/00
Abstract: The invention relates to a process for preparing bromine-containing polymer, comprising a Friedel-Crafts alkylation reaction of tetrabromoxylylene dihalide, or tetrabromoxylylene dihalide in combination with pentabromobenzyl halide, with a reactant having one or more six-membered aromatic rings, wherein the reaction takes place in a solvent in the presence of a Friedel-Crafts catalyst, and isolating from the reaction mixture the bromine-containing polymer. The so-formed polymers and their use as flame retardants form additional aspects of the invention.
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公开(公告)号：US09493584B2
公开(公告)日：2016-11-15
申请号：US14435312
申请日：2013-10-17
Applicant: BROMINE COMPOUNDS LTD.
Inventor： Bertha Croitoru , Dov Beruben , Michael Peled , Yaakov Rachmilevitch , Yaniv Hirschsohn , Yelena Epshtein Assor , Ella Rapaport , Dan Kopel
IPC: C08F2/10 , C08F220/14 , C08L33/14 , C08L23/14 , C08L25/06 , C08L33/16 , D06M15/263 , C08F220/24 , C08F212/08 , D06M101/06 , D06M101/32
CPC classification number: C08F2/10 , C08F212/08 , C08F220/24 , C08L23/14 , C08L25/06 , C08L33/14 , C08L33/16 , C08L2201/02 , C08L2203/12 , D06M15/263 , D06M2101/06 , D06M2101/32 , D06M2200/30
Abstract: Poly (pentabromobenzyl acrylate) having weight average molecular weight (Mw) in the range from 4,000 to 120,000 and polydispersity index of less than 10 as determined by high temperature gel permeation chromatography, wherein the glass transition temperature of the poly (pentabromobenzyl acrylate) is not more than 150 C.°, the poly (pentabromobenzyl acrylate) includes chains which are terminated by an end group derived from a chain length regulator, wherein the end group is a thiol group —SR1, and wherein R1, is a linear or branched alkyl group composed of not less than 8 carbon atom.
Abstract translation: 通过高温凝胶渗透色谱法测定的重均分子量（Mw）为4,000〜120,000，多分散指数小于10的聚（五溴苄基丙烯酸酯），其中聚（五溴苄基丙烯酸酯）的玻璃化转变温度不是 聚（五溴苄基丙烯酸酯）包括由端基衍生自链长调节剂的端基，其中端基是硫醇基-SR1，其中R1是直链或支链烷基 组不少于8个碳原子。
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Patent Agency Ranking
公开(公告)号：US10934489B2
公开(公告)日：2021-03-02
申请号：US16330012
申请日：2017-09-05
Applicant: BROMINE COMPOUNDS LTD.
Inventor： Marc Leifer , Eyal Eden , Yaniv Hirschsohn
IPC: C08K5/3492 , C09K21/12 , C09K21/10 , C08L69/00 , C08K5/523
Abstract: A transparent composition comprising polycarbonate and a mixture of flame retardants, wherein the flame retardants are aryl phosphate ester of hydroquinone and tris(2,4,6-tribromophenoxy)-s-triazine.
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公开(公告)号：US10472462B2
公开(公告)日：2019-11-12
申请号：US16266212
申请日：2019-02-04
Applicant: Bromine Compounds Ltd.
Inventor： Mark Gelmont , Michael Yuzefovich , Andrew Piotrowski , David Yoffe , Ron Frim , Yaniv Hirschsohn
Abstract: The invention relates to a process for preparing bromine-containing polymer, comprising a Friedel-Crafts alkylation reaction of tetrabromoxylylene dihalide, or tetrabromoxylylene dihalide in combination with pentabromobenzyl halide, with a reactant having one or more six-membered aromatic rings, wherein the reaction takes place in a solvent in the presence of a Friedel-Crafts catalyst, and isolating from the reaction mixture the bromine-containing polymer. The so-formed polymers and their use as flame retardants form additional aspects of the invention.
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公开(公告)号：US20190169359A1
公开(公告)日：2019-06-06
申请号：US16266212
申请日：2019-02-04
Applicant: Bromine Compounds Ltd.
Inventor： Mark Gelmont , Michael Yuzefovich , Andrew Piotrowski , David Yoffe , Ron Frim , Yaniv Hirschsohn
CPC classification number: C08G61/02 , C08G2261/12 , C08G2261/146 , C08G2261/148 , C08G2261/3424 , C08G2261/45 , C08L25/06 , C08L51/04 , C08L55/02 , C09K21/14 , C08L65/00
Abstract: The invention relates to a process for preparing bromine-containing polymer, comprising a Friedel-Crafts alkylation reaction of tetrabromoxylylene dihalide, or tetrabromoxylylene dihalide in combination with pentabromobenzyl halide, with a reactant having one or more six-membered aromatic rings, wherein the reaction takes place in a solvent in the presence of a Friedel-Crafts catalyst, and isolating from the reaction mixture the bromine-containing polymer. The so-formed polymers and their use as flame retardants form additional aspects of the invention.
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公开(公告)号：US10800903B2
公开(公告)日：2020-10-13
申请号：US16099781
申请日：2017-05-07
Applicant: Bromine Compounds Ltd.
Inventor： Eyal Eden , Yaniv Hirschsohn , Yelena Epshtein Assor
IPC: C08K5/42 , C08K5/3492 , C08J3/22 , C08G64/00 , C08K5/00
Abstract: The invention provides a transparent polycarbonate composition comprising a polycarbonate resin and a mixture of flame retardants comprising (A) tris(2,4,6-tribromophenoxy)-s-triazine and (B) an aromatic sulphone sulphonate in the form of an alkali metal salt. The composition achieves a UL-94 flammability test rating of V-0 at a polycarbonate thickness equal to or less than 1.6 mm. Processes for preparing the composition are also disclosed.
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公开(公告)号：US10336858B2
公开(公告)日：2019-07-02
申请号：US15323847
申请日：2015-07-07
Applicant: Bromine Compounds Ltd.
Inventor： Mark Gelmont , Michael Yuzefovich , Andrew Piotrowski , David Yoffe , Ron Frim , Yaniv Hirschsohn
Abstract: The invention relates to a process for preparing bromine-containing polymer, comprising a Friedel-Crafts alkylation reaction of tetrabromoxylylene dihalide, or tetrabromoxylylene dihalide in combination with pentabromobenzyl halide, with a reactant having one or more six-membered aromatic rings, wherein the reaction takes place in a solvent in the presence of a Friedel-Crafts catalyst, and isolating from the reaction mixture the bromine-containing polymer. The so-formed polymers and their use as flame retardants form additional aspects of the invention.
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