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公开(公告)号：WO2022066837A1
公开(公告)日：2022-03-31
申请号：PCT/US2021/051651
申请日：2021-09-23
Applicant: DOW SILICONES CORPORATION
Inventor： CHON, Jina
Abstract: A curable silicone composition is provided. The composition comprises: (A) an epoxy-functional silicone resin having monovalent aromatic hydrocarbon groups; (B) an epoxy-functional silicone; (C) a cationic photoinitiator; and (D) a silatrane derivative or a carbasilatrane derivative, wherein each derivative has at least one silicon atom-bonded alkoxy group per molecule. The composition has excellent curability with UV radiation, and further with heating, generally forms a cured product with excellent thermal and light resistance, and adhesion properties.
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公开(公告)号：WO2021215838A1
公开(公告)日：2021-10-28
申请号：PCT/KR2021/005079
申请日：2021-04-22
Applicant: 주식회사 삼양사
IPC: C08G64/18 , C08G77/42 , C08G64/16 , C08G64/08 , C08G64/02 , C08G77/18 , C08G77/50 , C08L69/00 , C08L83/10
Abstract: 본 발명은 히드록시 말단 폴리실록산 혼합물을 이용한 폴리실록산-폴리카보네이트 공중합체 및 이의 제조 방법에 관한 것으로, 보다 상세하게는, 반복 단위로서 화학식 1 및 2의 히드록시 말단 폴리실록산들을 특정 중량비로 포함함으로써, 이들 히드록시 말단 폴리실록산 각각을 단독으로 포함하는 경우에 비하여, 우수한 투과율 및 저온 충격 강도를 나타내며, 또한 원료 폴리실록산의 전체 제조 수율도 향상되어 경제성 측면에서도 우수한 폴리실록산-폴리카보네이트 공중합체 및 이의 제조 방법에 관한 것이다.
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公开(公告)号：WO2021154501A1
公开(公告)日：2021-08-05
申请号：PCT/US2021/013389
申请日：2021-01-14
Applicant: MOMENTIVE PERFORMANCE MATERIALS INC.
Inventor： TIWARY, Yogesh , RAUT, Devyani , ENGELHARDT, Jan , FELDER, Thorsten , HEPPERLE, Johannes , WITOSSEK, Anita , HERMANN, Jörg
IPC: C08G77/14 , C08G77/16 , C08G77/18 , C08L83/06 , C09D5/16 , C09D5/44 , C09D183/04 , C09D183/06
Abstract: There is provided herein a coating composition including an organic binder and a combination of a hydrolyzable or hydrolyzed polysiloxane and an epoxy-functional polysiloxane optionally with a hardener. There is also provided a paint including the same and a process of making the coating composition.
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公开(公告)号：WO2021150364A1
公开(公告)日：2021-07-29
申请号：PCT/US2021/012136
申请日：2021-01-05
Applicant: DOW SILICONES CORPORATION
Inventor： FU, Peng-Fei , WEI, Yanhu
IPC: C08G77/14 , C08G77/16 , C08G77/18 , C08K5/00 , C08K5/56 , C08K5/57 , C08L83/04 , C09D183/04 , C09D183/06 , C09J183/04 , C09J183/06 , C08K5/0025
Abstract: A composition containing: (a) a polysiloxane resin, wherein the polysiloxane resin contains the following siloxane units: [R3SiO1/2], [(OZ)qSiO(4-q)/2] and at least one of [(OZ)t REPSiO(3-t)/2] and [(OZ)d RREPSiO(2-d)/2]; where: each R is independently in each occurrence selected from hydrocarbyls, REP is an epoxy functional hydrocarbyl group, subscript q is in each occurrence a number selected from a range of 0-3, subscript t is in each occurrence a number selected from a range of 0-2, and subscript d is in each occurrence a number selected from a range of 0-1 provided that the average concentration of OZ groups is at least 15 mole-percent relative to moles of silicon atoms in the polysiloxane resin; (b) a photo acid generator; (c) a moisture cure catalyst; and (d) optionally, an epoxy functional diluent.
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85.发明申请
公开(公告)号：WO2021118544A1
公开(公告)日：2021-06-17
申请号：PCT/US2019/065586
申请日：2019-12-11
Applicant: WACKER CHEMIE AG , MCCORMACK, Timothy B.
Inventor： CALIMENTE, Daniel
IPC: C08F283/12 , C08G77/14 , C08G77/16 , C08G77/18 , C08G77/20 , C08G77/42 , C08G77/00 , C08K5/00 , C08K5/5415 , C08K5/5425 , C08K5/5435 , C08K5/544 , C08L83/06 , C09D183/06 , C09D183/08 , C09D183/10
Abstract: Organopolysiloxanes with reactive functional groups which dominate reactivity of the organopolysiloxane are prepared by a cohydrolysis involving alkoxy-functional silanes or siloxanes and hydroxyl-functional reagents, such that the resulting polymers contain less than 10 weight percent of unreacted alkoxy groups, and a ratio of non-reactive groups to silicon of greater than 1:1.
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Patent Agency Ranking86.发明申请
公开(公告)号：WO2021116334A1
公开(公告)日：2021-06-17
申请号：PCT/EP2020/085619
申请日：2020-12-10
Inventor： KOEBEL, Matthias , MALFAIT, Wim , NEMEC, Marek , HAUSER, Stefanie
IPC: C08G77/18 , C08L101/00 , C08G77/30 , C08L83/04 , C08L83/08
Abstract: The present invention pertains to a functionalized polymeric liquid polysiloxane material comprising non-organofunctional Q-type siloxane moieties and mono-organofunctional T-type siloxane moieties, as well as optionally tri-organofunctional M-type siloxane moieties and/or di-organofunctional D-type siloxane moieties characterized in that the polysiloxane material has a specified degree of polymerization, comprises a limited low amount of four-membered Q2-type and/or Q3-type siloxane ring species relative to the total Q-type siloxane species, and is functionalized at specific moieties. The present invention further pertains to methods for producing the polymeric liquid polysiloxane material as well as associated uses of the material.
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公开(公告)号：WO2021050465A1
公开(公告)日：2021-03-18
申请号：PCT/US2020/049819
申请日：2020-09-09
Applicant: DOW SILICONES CORPORATION
Abstract: A method of preparing an alkoxy-functional organosiloxane compound is provided. The method comprises reacting (A) an initial organosiloxane compound and (B) an alcohol component in the presence of (C) a catalyst and, optionally, (D) an organosilicon compound, thereby preparing the alkoxy-functional organosiloxane compound. The initial organosiloxane compound (A) comprises at least one silanol group. The alcohol component (B) comprises an organic alcohol. The catalyst (C) comprises an ammonium carboxylate compound. The organosilicon compound (D), when utilized, comprises at least one alkoxysilyl group. A reaction product comprising an alkoxy-functional organosiloxane compound prepared in accordance with the method, and compositions comprising the reaction product and the alkoxy-functional organosiloxane compound are also provided. The alkoxy-functional organosiloxane compound, and the reaction product and composition comprising the same, are prepared in increased purity low cyclic content from depolymerization.
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公开(公告)号：WO2020131365A1
公开(公告)日：2020-06-25
申请号：PCT/US2019/064346
申请日：2019-12-04
Applicant: DOW SILICONES CORPORATION
Inventor： TELGENHOFF, Michael , JOFFRE, Eric , LIU, Nanguo
Abstract: A method for preparing functionalized polyorganosiloxanes is disclosed. The method includes 1) combining starting materials including A) a boron - containing Lewis acid catalyst, and B) an organosilicon compound having an average, per molecule of at least 1 silicon bonded groups of the formula -OR 2 ; wherein each R 2 is an independently selected monovalent hydrocarbon group of 1 to 6 carbon atoms, thereby forming a catalyzed mixture; and thereafter 2) adding the catalyzed mixture into a starting material including C) an organohydrogensiloxane having at least 1 silicon bonded hydrogen atom per molecule, thereby preparing a product comprising the functionalized polyorganosiloxane and a by-product comprising HR 2 .
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公开(公告)号：WO2020111359A1
公开(公告)日：2020-06-04
申请号：PCT/KR2018/015306
申请日：2018-12-05
Abstract: 본 발명은 주름 모양 폴리메틸실세스퀴옥세인 입자의 제조방법 및 이를 통해 제조된 폴리메틸실세스퀴옥세인 입자를 포함하는 폴리메틸실세스퀴옥세인 파우더에 관한 것으로서, 더욱 자세하게 유기용매에 선택된 촉매를 혼합하여 촉매 용액을 제조하는 단계; 상기 촉매 용액에 서로 다른 2 종 이상의 실란을 첨가하여 반응 용액을 제조하는 단계; 및 상기 반응 용액을 통해 표면에 주름이 형성된 PMSQ(폴리메틸실세스퀴옥세인, polymethylsilsesquioxane) 입자를 합성하는 단계;를 포함하는, 주름 모양 폴리메틸실세스퀴옥세인 입자의 제조방법 및 이를 통해 제조된 폴리메틸실세스퀴옥세인 입자를 포함하는 폴리메틸실세스퀴옥세인 파우더에 관한 것이다.
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公开(公告)号：WO2020061000A1
公开(公告)日：2020-03-26
申请号：PCT/US2019/051446
申请日：2019-09-17
Applicant: ELEVANCE RENEWABLE SCIENCES, INC
Inventor： BERTIN, Paul, A. , COBURN, Charles, E.
IPC: C08G77/445 , C08G77/18 , C08G77/12
Abstract: Segmented silicone polymers incorporating segments formed from medium-chain fatty acids are generally disclosed herein. Methods of using such compounds, for example, as surfactants, are also disclosed herein, as well as methods of making such compounds, for example, from medium-chain fatty acids derived from natural oils.
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