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公开(公告)号:US10414703B2
公开(公告)日:2019-09-17
申请号:US15579431
申请日:2016-05-31
摘要: The present invention relates to processes for the manufacture of 1,2,3,4-tetrachloro-hexafluoro-butane in a microreactor.
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公开(公告)号:US12122875B2
公开(公告)日:2024-10-22
申请号:US17048684
申请日:2019-04-18
IPC分类号: C08G65/323 , C08G65/00 , C08L71/00 , C08L71/02
CPC分类号: C08G65/3236 , C08G65/007 , C08L71/00 , C08L71/02 , C08L2205/02
摘要: The present invention relates to a process for the synthesis of partially and fully fluorinated polyether (PFPE) polymers, to PFPE polymers obtained therefrom and to the use of said PFPE polymers as intermediate compounds for the manufacture of additives for plastic and glass coating.
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公开(公告)号:US11591536B2
公开(公告)日:2023-02-28
申请号:US17251524
申请日:2019-06-19
IPC分类号: C10M107/38 , C08G65/00 , C08G65/331 , C10N40/18
摘要: The present invention relates to a novel process for the synthesis of (per)fluoropolyether polymers, to certain novel (per)fluoropolyether polymers. The present invention also relates to the use of the (per)fluoropolyether polymers thus obtained as intermediate compounds for the manufacture of further polymers suitable for use as lubricants, notably for magnetic recording media (MRM).
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公开(公告)号:US10011545B2
公开(公告)日:2018-07-03
申请号:US15303474
申请日:2015-04-09
IPC分类号: C07C17/272 , C07C17/278 , C07C19/16 , C07C17/087
CPC分类号: C07C17/278 , C07C17/087 , C07C17/272 , Y02P20/142 , C07C19/16
摘要: The invention relates to a process for the manufacture of a-iodoperfluoroalkanes and α,ω-diiodoperfluoroalkanes of general formula: (1) A(C2F4)n1, wherein: A is selected from F, CF3 and I and n is an integer equal to or higher than 1, with the proviso that, when A is F, n is an integer higher than 1 said process comprising heating a mixture [mixture (M1)] containing: —a compound selected from I2, CF3I, CF3CF2I and C2F4I2; —TFE; —and CO2 at definite temperatures and concentrations of CO2.
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公开(公告)号:US09574037B2
公开(公告)日:2017-02-21
申请号:US14786196
申请日:2014-04-16
发明人: Vito Tortelli , Cristiano Monzani , Claudio Oldani , Luca Merlo
IPC分类号: C08F214/26 , C08L27/18 , C08F216/14
CPC分类号: C08F214/262 , C08F2216/1475 , C08L27/18 , C08F2216/1491
摘要: The present invention pertains a fluoropolymer [polymer (F)] comprising: —recurring units derived from at least one ethylenically unsaturated fluorinated monomer [monomer (FM)]; —from 5% to 60% by moles [with respect to the total moles of recurring units of polymer (F)] of recurring units derived at least one ethylenically unsaturated fluorinated monomer containing at least one —SO2F functional group [monomer (IO)]; and —from 0.01% to 10% by moles [with respect to the total moles of recurring units of polymer (F)] of recurring units derived from at least one monomer comprising an azide group [monomer (Az)], to a process for its manufacture, to a cross-linkable composition comprising the same, to a process for cross-linking the same and to articles comprising the cross-linked polymer.
摘要翻译: 本发明涉及含氟聚合物[聚合物(F)],其包含: - 由至少一种烯键式不饱和氟化单体[单体(FM)]衍生的重复单元; - 至少一种含有至少一个-SO 2 F官能团的烯键式不饱和氟化单体[单体(I)]的5%至60%摩尔[相对于聚合物(F)的重复单元的总摩尔数)]的重复单元 ; 和相对于衍生自包含叠氮化物基团[单体(Az)]的至少一种单体的重复单元的相对于聚合物(F)的重复单元的总摩尔数)为0.01〜10摩尔% 其制造方法涉及含有该组合物的可交联组合物,涉及其交联方法和包含交联聚合物的制品。
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公开(公告)号:US20230032788A1
公开(公告)日:2023-02-02
申请号:US17788721
申请日:2020-12-21
IPC分类号: C08F114/26 , C08L27/18 , C08J3/28
摘要: The invention relates to a method for manufacturing low-molecular-weight polytetrafluoroethylene, comprising: a) a first step of mixing high-molecular-weight polytetrafluoroethylene with at least one additive selected from the group consisting of ethers having formula R1—O—R2, wherein R1 and R2 are independently selected among C1-C10 straight or branched aliphatic group, C4-C10 alicyclic or heterocyclic groups, C5-C10 aromatic or heteroaromatic groups; (per)fluorinated vinyl ethers; (per)fluorinated olefins; and optionally substituted aromatic hydrocarbons, and b) a second step of irradiating the so obtained mixture with ionizing radiation, said second step b) being carried out substantially in the absence of oxygen.
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公开(公告)号:US10766989B2
公开(公告)日:2020-09-08
申请号:US15572656
申请日:2016-05-03
IPC分类号: C08J3/24 , C08K3/22 , C08K5/25 , C08L27/16 , C08K5/34 , C08K5/17 , C08K5/20 , C08F214/22 , C08K5/00 , C08F214/26 , C08K5/3432 , C08K5/3462
摘要: The invention pertains to a fluoroelastomer composition [composition (C)] comprising: —at least one fluoroelastomer [fluoroelastomer (A)]; —at least one basic compound [base (B)]; —at least one pyridinium-type salt [salt (P)] having at least two groups in ortho or para position to the quaternized nitrogen bearing a reactive hydrogen atom.
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公开(公告)号:US11898006B2
公开(公告)日:2024-02-13
申请号:US17048683
申请日:2019-04-18
IPC分类号: C08G65/00
CPC分类号: C08G65/007 , C08G2650/48 , C08G2650/50 , C08G2650/64
摘要: The present invention relates to a method for the synthesis of certain perfluoropolyether polymers having well-defined recurring units structure, and whereas the fraction of reactive end groups can be easily tuned.
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公开(公告)号:US11014879B2
公开(公告)日:2021-05-25
申请号:US16034807
申请日:2018-07-13
发明人: Cristiano Monzani , Vito Tortelli
IPC分类号: C07C381/00 , C08F216/14
摘要: A process for the preparation of fluorinated compounds having at least one —OSF5 group, said method comprising the step of reacting SOF4 with a fluorinated 3- or 4-membered cyclic ether in the presence of a fluoride catalyst.
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公开(公告)号:US10414844B2
公开(公告)日:2019-09-17
申请号:US14365451
申请日:2012-12-06
发明人: Alessio Marrani , Ivan Wlassics , Vito Tortelli , Ivan Falco
IPC分类号: C08F214/22 , C08F214/18 , C08K5/28 , B05D1/00 , C08J3/24
摘要: The present invention pertains to semi-crystalline fluoropolymer [polymer (F)] comprising: —recurring units derived from vinylidene fluoride (VDF); —from 10% to 50% by moles [with respect to the total moles of recurring units of polymer (F)] of recurring units derived from trifluoroethylene (TrFE); and —from 0.01% to 10% by moles [with respect to the total moles of recurring units of polymer (F)] of recurring units derived from at least one monomer comprising an azide group [monomer (Az)], to a process for its manufacture, to a crosslinkable composition comprising the same, to a process for crosslinking the same and to a method for manufacturing one of electrical and electronic devices using the same.
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