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公开(公告)号：US10647842B2
公开(公告)日：2020-05-12
申请号：US15107529
申请日：2014-12-22
发明人： David Thompson , Clinton Lund
摘要： The invention relates to a method to reduce or prevent agglomeration of elastomeric ethylene/α-olefin copolymer particles in aqueous media by LCST compounds.
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公开(公告)号：US12129319B2
公开(公告)日：2024-10-29
申请号：US17311857
申请日：2019-12-16
发明人： David Thompson
IPC分类号： C08F2/14 , C08F4/14 , C08F210/12 , C08F236/08
CPC分类号： C08F2/14 , C08F4/14 , C08F210/12 , C08F236/08 , C08F2500/03
摘要： The invention relates to an efficient process for the preparation of isoolefin polymers such as polyisobutene or butyl rubber by polymerization of isobutene and optionally further monomers in the presence of an initiator system comprising at least one boron or aluminium compound and at least one tertiary alkyl ether.
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公开(公告)号：US20200270436A1
公开(公告)日：2020-08-27
申请号：US16872159
申请日：2020-05-11
发明人： David Thompson , Clinton Lund
摘要： The teachings herein relates to elastomeric particles including 98.5 weight percent or more of an elastomeric ethylene/α-olefin copolymer. The copolymer preferably has a weight average molecular weight of 10 to 2,000 kg/mol. The copolymer preferably has a Mooney viscosity of at least 10 (ML 1+4 at 125° C., ASTM D1646). The particles preferably include 0 to 0.4 weight percent of salts of multivalent metal ions. The salts of multivalent metal ions preferably includes stearates and palmitates of multivalent metal ions. The elastomeric ethylene/α-olefin copolymer preferably is an EPM or an EPDM. The blends including the particles preferably comprise a different elastomer, a filler, or a curing system.
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公开(公告)号：US11827753B2
公开(公告)日：2023-11-28
申请号：US16896432
申请日：2020-06-09
CPC分类号： C08J3/07 , C08J3/21 , C08J3/24 , C08K5/098 , C08L23/283 , B29B9/06 , B29B9/065 , C08J2323/28 , C08K5/098 , C08L23/28
摘要： The invention relates to a method to reduce or prevent agglomeration of particles of halogenated rubbers in aqueous media by LCST compounds as well as highly pure halogenated rubbers. The invention further relates to halogenated elastomer products comprising the same or derived therefrom.
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5.发明授权公开(公告)号：US11584815B2
公开(公告)日：2023-02-21
申请号：US17142028
申请日：2021-01-05
发明人： David Thompson
IPC分类号： C08F210/12 , C08F2/06 , C08J3/07 , C08L23/22 , C09K3/10 , C08F6/00 , C08J3/12 , F16J15/10 , C08K5/00 , C08K5/098
摘要： The invention relates to an efficient process for the preparation and isolation of rubber particles formed in aqueous media and highly pure rubbers obtained thereby. The invention further relates to copolymer products comprising the same or derived therefrom.
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公开(公告)号：US10385200B2
公开(公告)日：2019-08-20
申请号：US15322474
申请日：2015-06-29
发明人： David Thompson , Clinton Lund
摘要： The invention relates to a method to reduce or prevent agglomeration of rubber particles in aqueous media by LCST compounds and elastomers obtained thereby. The invention further relates to elastomer products comprising the same or derived therefrom.
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公开(公告)号：US20220017655A1
公开(公告)日：2022-01-20
申请号：US17311857
申请日：2019-12-16
发明人： David Thompson
IPC分类号： C08F2/14 , C08F210/12 , C08F4/14 , C08F236/08
摘要： The invention relates to an efficient process for the preparation of isoolefin polymers such as polyisobutene or butyl rubber by polymerization of isobutene and optionally further monomers in the presence of an initiator system comprising at least one boron or aluminium compound and at least one tertiary alkyl ether.
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公开(公告)号：US10703865B2
公开(公告)日：2020-07-07
申请号：US15107511
申请日：2014-12-22
摘要： The invention relates to a method to reduce or prevent agglomeration of particles of halogenated rubbers in aqueous media by LCST compounds as well as highly pure halogenated rubbers. The invention further relates to halogenated elastomer products comprising the same or derived therefrom.
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公开(公告)号：US10000632B2
公开(公告)日：2018-06-19
申请号：US15107495
申请日：2014-12-22
发明人： David Thompson , Clinton Lund
IPC分类号： C08L1/00 , C08L23/22 , C08F210/10 , C09K3/10 , C08J3/07 , C08J3/12 , C08F210/12
CPC分类号： C08L23/22 , C08F210/10 , C08F210/12 , C08J3/07 , C08J3/124 , C08J2323/22 , C08J2401/02 , C09K3/1006 , C09K2200/0607 , C09K2200/061 , C08F4/14 , C08L9/00
摘要： The invention relates to an efficient process for the preparation and isolation of rubber particles formed in aqueous media having a tunable level of metal containing anti-agglomerants and rubber particles obtained thereby. The invention further relates to copolymer products comprising the same or derived therefrom.
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公开(公告)号：US10889671B2
公开(公告)日：2021-01-12
申请号：US16807224
申请日：2020-03-03
发明人： David Thompson
IPC分类号： C08L23/22 , C08F2/06 , C08J3/03 , C08J3/20 , C08J3/24 , C08K3/26 , C08K5/098 , C09K3/10 , C08F210/12 , C08J3/07 , C08F6/00 , C08J3/12 , F16J15/10 , C08K5/00
摘要： The invention relates to an efficient process for the preparation and isolation of rubber particles formed in aqueous media and highly pure rubbers obtained thereby. The invention further relates to copolymer products comprising the same or derived therefrom.
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