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公开(公告)号:US11447597B2
公开(公告)日:2022-09-20
申请号:US16463208
申请日:2017-09-07
Applicant: Dow Global Technologies LLC
Inventor: Huifeng Qian , Rajat Duggal , Muhammad A. Shafi , Luigi Pellacani , Harshad M. Shah
IPC: C08G18/76 , C08G18/24 , C08G18/48 , C08G18/67 , C09D11/102 , C09D175/14 , C09J175/14 , C08G18/12 , C09D175/16 , C09J175/16 , B29C55/00 , C08J3/24
Abstract: In various embodiments, a resin composition includes a urethane (meth)acrylate, a reactive diluent, and a urethane (meth)acrylate toughener. The urethane (meth)acrylate toughener includes at least one additional polyol having a number average molecular weight Mn of greater than 1,000 g/mol. Cured articles made from the resin composition have an average fracture toughness (KIc) value from 1 MPa*m1/2 to 3 MPa*m1/2 when measured in accordance with ASTM D5045. Processes for making the resin composition as well as processes using the resin composition are also provided.
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公开(公告)号:US12110306B2
公开(公告)日:2024-10-08
申请号:US17427149
申请日:2020-01-29
Applicant: Dow Global Technologies LLC
Inventor: Christopher S. Letko , Ravi B. Shankar , Harshad M. Shah , Weijun Zhou
CPC classification number: C07F9/4006 , C08G18/10 , C08G18/388 , C08G18/42 , C08G18/4219 , C08G18/48 , C08G2110/0025
Abstract: Embodiments of the present disclosure are directed towards β-hydroxyphosphonate functionalized polyols and isocyanate reactive compositions that include the β-hydroxyphosphonate functionalized polyol and a base polyol.
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公开(公告)号:US20200291166A1
公开(公告)日:2020-09-17
申请号:US16082204
申请日:2017-03-01
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor: Huifeng Qian , Muhammad A Shafi , Luigi Pellacani , Harshad M. Shah , Dwight Latham , Qiuyun Xu , William L. Heaner , Emanuele Maiocchi
Abstract: A curable resin composition comprising: (1) a urethane (meth)acrylate; (2) a reactive diluent selected from the group consisting of i) a hydroxyl alkyl (meth)acrylate monomer where the acrylate group, which is attached to the carbonyl group, is attached to a hydrogen or a methyl group and the carbonyl group is attached to the hydroxyl group thru an R2 alkylene group containing 2 to 18 carbon atoms per molecule.
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公开(公告)号:US20150299510A1
公开(公告)日:2015-10-22
申请号:US14648639
申请日:2013-12-18
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor: Nicole Knight , Nathan Wilmot , Phillip S. Athey , William Heath , Harshad M. Shah
IPC: C09D171/00 , B05D3/00 , C09D163/00
CPC classification number: C09D171/00 , B05D3/007 , C08G59/66 , C08G65/3322 , C08G65/33358 , C08L63/00 , C08L2205/05 , C09D163/00 , C09K3/1012 , H02G15/003 , C08L71/02 , C08L81/02
Abstract: Joints in an electrical cable are made by joining the ends of the conductors of two cables and applying and then curing a reaction mixture over the joint to form an elastomeric seal. The reaction mixture includes a polyene compound having an average of at least two groups containing aliphatic carbon-carbon double bonds capable of reaction with a thiol group, wherein at least one of such aliphatic carbon-carbon double bonds is separated from each of said aliphatic carbon-carbon double bonds by an aliphatic spacer group having a molecular weight of at least 1000 atomic mass units, an epoxy resin, a curing agent having at least two thiol groups, and a basic catalyst.
Abstract translation: 电缆中的接头是通过连接两条电缆的导体的端部并且在接头上施加然后固化反应混合物以形成弹性密封件而制成的。 反应混合物包括具有至少两个含有能与硫醇基反应的脂族碳 - 碳双键的基团的多烯化合物,其中至少一个这样的脂族碳 - 碳双键与所述脂族碳中的每一个分离 通过分子量为至少1000原子质量单位的脂族间隔基团,环氧树脂,具有至少两个硫醇基的固化剂和碱性催化剂形成碳双键。
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公开(公告)号:US20220119427A1
公开(公告)日:2022-04-21
申请号:US17427149
申请日:2020-01-29
Applicant: Dow Global Technologies LLC
Inventor: Christopher S. Letko , Ravi B. Shankar , Harshad M. Shah , Weijun Zhou
Abstract: Embodiments of the present disclosure are directed towards β-hydroxyphosphonate functionalized polyols and isocyanate reactive compositions that include the β-hydroxyphosphonate functionalized polyol and a base polyol.
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公开(公告)号:US09518147B2
公开(公告)日:2016-12-13
申请号:US14430651
申请日:2013-09-24
Applicant: Dow Global Technologies LLC
Inventor: Angela I. Padilla-Acevedo , Nathan Wilmot , Rajat Duggal , Harshad M. Shah , Kwanho Chang
CPC classification number: C08G59/245 , C07D303/02 , C08G59/066 , C08G59/1477 , C08G59/184 , C08G65/2624
Abstract: An amine endcapped adduct composition including an amine endcapped adduct formed from a monofunctional epoxide and a polyether amine. The monofunctional epoxide and the polyether amine are combined in a molar ratio of 1.0:2.0 to 1.0:8.0 moles of epoxide functionalities to moles of polyether amine functionalities.
Abstract translation: 包含由单官能环氧化物和聚醚胺形成的胺封端的加合物的胺封端加合物组合物。 单官能环氧化物和聚醚胺的摩尔比为1.0:2.0至1.0:8.0摩尔环氧官能团与聚醚胺官能团的摩尔数相结合。
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公开(公告)号:US20150315330A1
公开(公告)日:2015-11-05
申请号:US14648626
申请日:2013-12-18
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor: William Heath , Phillip S. Athey , Nathan Wilmot , Harshad M. Shah , Kamesh R. Vyakaranam , Nicole Knight , Adam C. Colson
IPC: C08G59/14
Abstract: Elastomers are prepared from a reaction mixture that contains a polyene compound, an epoxy resin, a thiol curing agent and a basic catalyst. The polyene compound has an average of at least two groups containing aliphatic carbon-carbon double bonds capable of reaction with a thiol group. At least one of said aliphatic carbon-carbon double bonds is separated from each other said aliphatic carbon-carbon double bond by an aliphatic spacer group having a weight of at least 500 atomic mass units. These elastomers are typically phase-separated materials having good elongation and tensile properties.
Abstract translation: 弹性体由含有多烯化合物,环氧树脂,硫醇固化剂和碱性催化剂的反应混合物制备。 多烯化合物平均具有至少两个能够与硫醇基反应的脂族碳 - 碳双键的基团。 所述脂肪族碳 - 碳双键中的至少一个通过具有至少500原子质量单位的重量的脂肪族间隔基彼此分离,所述脂肪族碳 - 碳双键。 这些弹性体通常是具有良好伸长率和拉伸性能的相分离材料。
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公开(公告)号:US20140357813A1
公开(公告)日:2014-12-04
申请号:US14365701
申请日:2012-12-20
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor: Kwanho Chang , Harshad M. Shah , Rajat Duggal
CPC classification number: C08G59/4238 , C08G59/066 , C08G59/184 , C08G59/20 , C08G59/42 , C08G59/686 , C08L63/00
Abstract: An epoxy terminated prepolymer formed as a reaction product of a cycloaliphatic epoxide resin and an amine terminated polymeric polyol, and a catalyst that promotes the reaction of the cycloaliphatic epoxide resin and the aminated polyol. The epoxy terminated prepolymer and an anhydride hardener react to form an epoxy elastomer composition having a microphase separated morphology of hard particles, formed with the anhydride hardener reacted with the epoxy terminated prepolymer, dispersed in a soft continuous phase formed from polymeric polyol in the epoxy terminated prepolymer.
Abstract translation: 作为脂环族环氧树脂和胺封端的聚合多元醇的反应产物形成的环氧封端预聚物和促进脂环族环氧树脂与胺化多元醇反应的催化剂。 环氧封端预聚物和酸酐固化剂反应形成环氧弹性体组合物,其具有与环氧端基预聚物反应的与酸酐固化剂形成的硬质颗粒的微相分离形态,分散在环氧封端的聚合多元醇形成的软连续相中 预聚物。
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公开(公告)号:US12173233B2
公开(公告)日:2024-12-24
申请号:US16098899
申请日:2017-05-24
Applicant: Dow Global Technologies LLC
Inventor: Arjun Raghuraman , Sachit Goyal , Phillip S. Athey , Harshad M. Shah , Juan Carlos Medina , William A. Koonce
IPC: C09K8/80
Abstract: A coated article comprises an article, and one or more amide based coatings on an outer surface of the proppant particle, the amide based coating include the reaction product of an isocyanate component that includes at least one isocyanate and a carboxylic acid component that includes one or more poly-carboxylic acids.
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公开(公告)号:US11225550B2
公开(公告)日:2022-01-18
申请号:US16462666
申请日:2017-12-11
Applicant: Dow Global Technologies LLC
Inventor: Christopher S. Letko , Harshad M. Shah , Rajat Duggal , Nathan Wilmot
IPC: C08G18/16 , C08G63/64 , C08G63/688 , C08G18/09 , C08G18/22 , C08G18/46 , C08G18/76 , C08J9/00 , C08J9/14
Abstract: A reaction system for forming a step-growth polymerized sulfur-containing polyester polyol includes at least one sulfur-containing component selected from the group of a sulfur-containing polyol or a sulfur-containing polycarboxylic acid, an amount of the at least one sulfur-containing component being from 1 wt % to 60 wt %, at least one aromatic component selected from the group of an aromatic multi-functional ester, an aromatic multi-functional carboxylic acid, and an aromatic anhydride, an amount of the at least one aromatic component being from 1 wt % to 60 wt %, at least one simple polyol that excludes sulfur and is different from the sulfur containing polyol, an amount of the at least one simple polyol being from 0 wt % to 60 wt %, and at least one polymerization catalyst. The reaction system for forming the sulfur-containing polyester polyol has a sulfur content that is from 2 wt % to 20 wt %.
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