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公开(公告)号:US20230022605A1
公开(公告)日:2023-01-26
申请号:US17786414
申请日:2019-12-17
Applicant: DOW SILICONES CORPORATION , DOW GLOBAL TECHNOLOGIES LLC
Inventor: Zhiping ZENG , Yi GUO , Nanguo LIU , Nick SHEPHARD , Xing WEI , Jiang PENG , Song GAO , Zhengming TANG , Hongyu CHEN
IPC: C08G65/336 , C08K3/013 , B01J31/02
Abstract: One-part condensation curable silyl-modified polymer (SMP) based sealant compositions in particular one-part condensation curable SMP based sealant compositions containing a catalyst comprising (i) a titanate and/or zirconate and (ii) a metal carboxylate salt which compositions upon cure provide elastomeric sealants having low modulus and a high elastic recovery.
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公开(公告)号:US20220119421A1
公开(公告)日:2022-04-21
申请号:US17419018
申请日:2019-12-27
Applicant: Dow Silicones Corporation
Inventor: Nanguo LIU , Michael TELGENHOFF
Abstract: A branched organosilicon compound (“compound”) having the general formula (R1)3SiX—NR2-D-Z(R7)a is provided. In the formula: each R1 is selected from R and —OSi(R4)3, with the proviso that at least one R1 is —OSi(R4)3; where each R4 is selected from R, —OSi(R5)3, and —[OSiR2]mOSiR3; where each R5 is selected from R, —OSi(R6)3, and —[OSiR2]mOSiR3; where each R6 is selected from R and —[OSiR2]mOSiR3; with the proviso that at least one of R4, R5 and R6 is —[OSiR2]mOSiR3; where each R is independently a substituted or unsubstituted hydrocarbyl group; and where 0≤m≤100; each of X and D is an independently selected divalent linking group; each R2 and R7 is an independently selected substituted or unsubstituted hydrocarbyl group or H; Z is O or N; and subscript a is the valency of Z. Also provided is a method of preparing the compound and a composition including the compound.
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公开(公告)号:US20230265290A1
公开(公告)日:2023-08-24
申请号:US18012193
申请日:2021-06-23
Applicant: DOW SILICONES CORPORATION
Inventor: Elizabeth M. SANTOS , Eric JOFFRE , Scott D. BOELTER , Nanguo LIU , Xiaoyuan ZHOU
CPC classification number: C08L83/06 , C08K3/013 , C08K5/14 , C08J7/0427 , C08J7/18 , C08G77/08 , C08L2205/025 , C08J2469/00 , C08J2383/06
Abstract: Curable silicone elastomer compositions having enhanced adhesive properties with respect to a wide variety of substrates are described. The compositions described herein are provided with a phenylmethylpolysiloxane based additive which comprises at least one, alternatively at least two Si—H groups per molecule and at least one, alternatively at least two epoxide functional groups per molecule. Said phenylmethylpolysiloxane based additives provide resulting elastomers with improved heat-humidity stabilization.
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公开(公告)号:US20230095031A1
公开(公告)日:2023-03-30
申请号:US17789175
申请日:2020-12-22
Applicant: DOW SILICONES CORPORATION , DOW GLOBAL TECHNOLOGIES LLC
Inventor: Nanguo LIU , Zachary WENZLICK , Brian HARKNESS , Jon HANNINGTON , Scott MILLER , Gerald WITUCKI , Brian DORVEL
Abstract: A foam stabilizing composition is disclosed. The composition comprises (A) a siloxane cationic surfactant comprising a cationic moiety having the formula Z1-D1-N(Y)a(R)2−a, wherein Z1 is a siloxane moiety, D1 is a divalent linking group, R is H or an unsubstituted hydrocarbyl group having from 1 to 4 carbon atoms, subscript a is 1 or 2, and each Y has formula -D-NR13+, where D is a divalent linking group and each R1 is independently an unsubstituted hydrocarbyl group having from 1 to 4 carbon atoms. The composition also comprises (B) an organic cationic surfactant comprising a cationic moiety having the formula Z2-D2-N(Y)b(R)2−b, wherein Z2 is an unsubstituted hydrocarbyl group, D2 is a covalent bond or a divalent linking group, subscript b is 1 or 2, and R, Y, and subscript a, are defined above. An aqueous film-forming foam comprising the composition and method of using the same are also disclosed
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公开(公告)号:US20230295193A1
公开(公告)日:2023-09-21
申请号:US18013877
申请日:2021-06-30
Applicant: DOW SILICONES CORPORATION , DOW GLOBAL TECHNOLOGIES LLC
Inventor: André YVON-BESSETTE , John ROBERTS , Nanguo LIU , Xiaoyuan ZHOU , Eric JOFFRE
CPC classification number: C07F7/0896 , C07F7/1804 , C07F7/188
Abstract: A method of preparing a multifunctional organosilicon compound is provided. The method comprises reacting (A) an organosilanol compound comprising a functional moiety selected from alkoxysilyl moieties and acryloxy moieties and (B) a hydridosilane compound having at least two hydrolysable groups in the presence of (C) an acetate salt. A multifunctional organosilicon compound prepared according to the method is also provided.
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公开(公告)号:US20230035408A1
公开(公告)日:2023-02-02
申请号:US17786425
申请日:2019-12-17
Applicant: DOW SILICONES CORPORATION
Inventor: Jiang PENG , Yi GUO , Nanguo LIU , Nick SHEPHARD , Ye WU
Abstract: Two-part condensation curable silyl-modified polymer (SMP) based sealant compositions, in particular two-part condensation curable SMP based translucent sealant compositions containing a catalyst comprising (i) a titanate and/or zirconate and (ii) a metal carboxylate salt.
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公开(公告)号:US20220112322A1
公开(公告)日:2022-04-14
申请号:US17418954
申请日:2019-12-27
Applicant: Dow Silicones Corporation , Dow Toray Co., Ltd.
Inventor: Nanguo LIU , Tatsuo SOUDA , Tsunehito SUGIURA
IPC: C08F230/08
Abstract: A composition comprises: a branched organosilicon compound; an acrylate-functional compound other than the branched organosilicon compound; and optionally a carrier vehicle. The branched organosilicon compound has the following general formula (I): (R1)3Si—X (I); where X comprises a acryloxy-functional moiety, and each R1 is selected from —OSi(R4)3 and R, with the proviso that at least one R is —OSi(R4)3; where each R is a substituted or unsubstituted hydrocarbyl group; where each R4 is selected from R, —OSi(R5)3, and —[OSiR2]mOSiR3; where each R5 is selected from R, —OSi(R6)3, and —[OSiR2]mOSiR3; where each R6 is selected from R and —[OSiR2]mOSiR3; with the proviso that at least one of R4, R5 and R6 is —[OSiR2]mOSiR3; and where 0≤m≤100. A method of preparing a copolymer is further provided.
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公开(公告)号:US20220081565A1
公开(公告)日:2022-03-17
申请号:US17419022
申请日:2019-12-31
Applicant: Dow Silicones Corporation
Inventor: Nanguo LIU
Abstract: A method of preparing an acrylate-functional branched organosilicon compound (“compound”) is provided, and comprises reacting (A) a branched organosilicon compound and (B) an acrylate compound in the presence of (C) a catalyst, wherein component (A) has the general formula X—Si(R1)3, where X comprises a halogen-functional moiety and each R1 is selected from R and —OSi(R4)3, with the proviso that at least one R1 is —OSi(R4)3; each R4 is selected from R, —OSi(R5)3, and —[OSiR2]mOSiR3; each R5 is selected from R, —OSi(R6)3, and —[OSiR2]mOSiR3; each R6 is selected from R and —[OSiR2]mOSiR3; each R is an independently selected hydrocarbyl group; and 0≤m≤100; with the proviso that at least one of R4, R5 and R6 is —[OSiR2]mOSiR3. The compound prepared by the method, a copolymer comprising the reaction product of the compound and a second compound, a method of forming the copolymer, and a composition comprising the copolymer are each also provided.
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公开(公告)号:US20230331923A1
公开(公告)日:2023-10-19
申请号:US18012198
申请日:2021-06-24
Applicant: DOW SILICONES CORPORATION , DOW GLOBAL TECHNOLOGIES LLC
Inventor: Fang ZHANG , Nanguo LIU , Scott BOELTER , Travis SUNDERLAND , Weston TULLOCH , Simon TOTH , Zhenbin NIU , Sachit GOYAL , Adebola OGUNNIYI , Yang CHENG
CPC classification number: C08G77/46 , C08G77/12 , C08G77/08 , C08G65/08 , C08G65/48 , C08J9/0042 , C08J9/125 , C08J9/141 , C08G2101/00
Abstract: A composition is disclosed, which comprises (A) an organohydrogensiloxane having cyclic siloxane moieties including silicon-bonded hydrogen atoms. The composition further comprises (B) a polyether compound having an aliphatically unsaturated group. Finally, the composition comprises (C) a hydrosilylation catalyst. A silicone polyether surfactant prepared by reacting components (A) and (B) in the presence of component (C) is also disclosed. In addition, an isocyanate-reactive component comprising a polyol and the silicone polyether surfactant is disclosed. A composition comprising the isocyanate-reactive component, an isocyanate component comprising a polyisocyanate, and a catalyst is further disclosed. Finally, a method of preparing an article comprising a polyurethane and/or polyisocyanurate foam, and an article formed from the composition and/or the method, are disclosed.
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公开(公告)号:US20230024747A1
公开(公告)日:2023-01-26
申请号:US17786418
申请日:2019-12-17
Applicant: DOW SILICONES CORPORATION
Inventor: Xiuyan WANG , Jiang PENG , Yi GUO , Qiang HU , Zhiping ZENG , Nanguo LIU , Nick SHEPHARD
IPC: C09J183/04 , C08K9/06 , C08K5/54 , C08K5/09 , C08K3/26
Abstract: A one-part low modulus room temperature vulcanisable (RTV) silicone composition containing a catalyst comprising (i) a titanate and/or zirconate and (ii) a metal carboxylate salt which cures to a low modulus silicone elastomer which may be used as a non-staining (clean) sealant having high movement capability.
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