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公开(公告)号:US10851189B2
公开(公告)日:2020-12-01
申请号:US16469855
申请日:2018-01-16
发明人: Kai-Steffen Krannig , Jürgen Herwig , Andreas Berlineanu , Miriam Ammer , Philip Kemper , Alexander Pschantka , Yvonne Groß-Onnebrink , Gudula Beuers , Margit Bukohl , Kirsten Luce , Siegfried Jittenmeier
摘要: The invention relates to polybutadiene, which contains the monomer units derived from 1,3-butadiene having a vinyl double bond in a proportion of 25 to 75 mole percent, having a trans-double bond in a proportion of 0 to 10 mole percent and a cis-double bond in a proportion of 25 to 75 mole percent, wherein the totality of the monomer units (A), (B) and (C) is supplemented to 100 mole percent, and which is characterized in that it has a number-average mole mass of 1,000 to 3,000 g/mole. The invention further relates to a method for producing polybutadienes, the use of the polybutadiene according to the invention and compositions containing polybutadiene according to the invention.
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公开(公告)号:US20240287356A1
公开(公告)日:2024-08-29
申请号:US18590673
申请日:2024-02-28
发明人: Andreas Berlineanu , Gudula Beuers , Margit Bukohl , Kirsten Luce , Siegfried Jittenmeier , Kai-Steffen Krannig , Jürgen Herwig
IPC分类号: C09J11/06 , C09J147/00 , C08K3/24 , C08K3/36 , C08K5/5419
CPC分类号: C09J11/06 , C09J147/00 , C08K3/24 , C08K3/36 , C08K5/5419
摘要: The present invention relates to a composition comprising at least one polydiene, preferably at least one polybutadiene, at least two transition metal compounds, at least one silicon compound having at least one vinyl group and having at least two silicon atoms, and at least one wetting agent, where the composition has an Mn compound and a Zr compound as organic transition metal compounds, and to the use of this composition as or for the production of a joint compound, joint sealant, adhesive, putty, filling compound or vibration-damping compound.
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公开(公告)号:US11365270B2
公开(公告)日:2022-06-21
申请号:US17066921
申请日:2020-10-09
发明人: Kai-Steffen Krannig , Jürgen Herwig , Andreas Berlineanu , Miriam Ammer , Philip Kemper , Alexander Pschantka , Yvonne Groß-Onnebrink , Gudula Beuers , Margit Bukohl , Kirsten Luce , Siegfried Jittenmeier
摘要: The invention relates to polybutadiene, which contains the monomer units derived from 1,3-butadiene having a vinyl double bond in a proportion of 25 to 75 mole percent, having a trans-double bond in a proportion of 0 to 10 mole percent and a cis-double bond in a proportion of 25 to 75 mole percent, wherein the totality of the monomer units (A), (B) and (C) is supplemented to 100 mole percent, and which is characterized in that it has a number-average mole mass of 1,000 to 3,000 g/mole. The invention further relates to a method for producing polybutadienes, the use of the polybutadiene according to the invention and compositions containing polybutadiene according to the invention.
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公开(公告)号:US20210024666A1
公开(公告)日:2021-01-28
申请号:US17066921
申请日:2020-10-09
发明人: Kai-Steffen Krannig , Jürgen Herwig , Andreas Berlineanu , Miriam Ammer , Philip Kemper , Alexander Pschantka , Yvonne Groß-Onnebrink , Gudula Beuers , Margit Bukohl , Kirsten Luce , Siegfried Jittenmeier
摘要: The invention relates to polybutadiene, which contains the monomer units derived from 1,3-butadiene having a vinyl double bond in a proportion of 25 to 75 mole percent, having a trans-double bond in a proportion of 0 to 10 mole percent and a cis-double bond in a proportion of 25 to 75 mole percent, wherein the totality of the monomer units (A), (B) and (C) is supplemented to 100 mole percent, and which is characterized in that it has a number-average mole mass of 1,000 to 3,000 g/mole. The invention further relates to a method for producing polybutadienes, the use of the polybutadiene according to the invention and compositions containing polybutadiene according to the invention.
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公开(公告)号:US20230331874A1
公开(公告)日:2023-10-19
申请号:US18247850
申请日:2021-09-29
发明人: Nicolai Kolb , Kai-Steffen Krannig , Jürgen Hellwig , Matthias Bahlmann , Alexander Pschantka , Philip Kemper
IPC分类号: C08F136/06 , C08C19/04 , C08F2/06
CPC分类号: C08C19/04 , C08F2/06 , C08F136/06
摘要: The present invention relates to a process for preparing hydroxy-functionalized polydiene, preferably polybutadiene or polyisoprene, by reacting monomer diene with hydrogen peroxide in the presence of a hydrophilic organic solvent, wherein the total amount of monomer diene used is added to the reaction in at least two parts, wherein the second part of the monomer diene is added to the reaction at a temperature of the reaction mixture that is at least +5 K different from the temperature of the reaction mixture at the addition of the first part of the monomer diene, to hydroxy-functionalized polybutadiene, having a dispersity index D below 2.7, a viscosity at 30° C. below 3200 mPa*s, an OH-number of from 50 to 90, a number average molecular weight Mn of from 1.6 to 2.5 kDa, and a weight number average molecular weight Mw of from 4.0 to 5.6 kDa, and comprising the monomer units derived from 1,3-butadiene in a specific ratio, and use of the hydroxy-functionalized polybutadiene, for the production of polyurethane-based thermo-or electro-insulation, adhesives or sealants or polyesters.
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公开(公告)号:US20230174752A1
公开(公告)日:2023-06-08
申请号:US17997881
申请日:2021-04-12
CPC分类号: C08L9/06 , B60C1/0016 , C08K3/04 , C08K3/36 , C08K5/548 , C08K2201/005 , C08K2201/006 , C08L2205/03 , C08L2205/025
摘要: The invention relates to a rubber mixture comprising rubber and a liquid polybutadiene, liquid at a temperature of 20° C. and a pressure of 98.0665 kPa, wherein the liquid polybutadiene only consists of C— and H-atoms, and has an average molecular weight (Mw), determined by gel permeation chromatography as described in the description, of from 1500 to 5000 g/mol, to a process for preparing rubber articles by vulcanization using the inventive rubber mixtures as raw material, and to rubber articles obtained by this process.
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