Patent
Phenyl MDT silicon resin and preparation method thereof
Bao Yuqiang,Ye Bo,Xiong Ting,Li Buchun,Wang Youzhi +4 more
- 07 Aug 2013
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TL;DR: In this paper, the phenyl MDT silicon resins were used to synthesize a single-group organic silane as a M link, a two-group organics as a D link, and a three-groups organic silanes as a T link, where at least one of the D link or the T link is phenyl silane.
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Abstract: The invention discloses phenyl MDT silicon resin and a preparation method thereof. The phenyl MDT silicon resin adopts single-group organic silane as a M link, adopts two-group organic silane as a D link and adopts three-group organic silane as a T link, wherein at least one of the D link or the T link is the phenyl silane, and the phenyl silane is collectively hydrolyzed under an acidic catalyst and concentrated under an alkaline catalyst. Raw materials for the phenyl MDT silicon resin are available, no strong corrosive substance is generated in the reaction process, and the requirement on equipment and operation is low. The preparation method comprises the following steps of adding the acidic catalyst in the mixed liquor of the M-link silane, the D-link silane and the T-link silane. The M link, the D link and the T link are unnecessary to drop into a reactor respectively, so that the operation step is simple, the procedure is saved, the production efficiency can be improved, and the industrialized mass production can be realized. The refractive index nD of the prepared phenyl MDT silicon resin is more than 1.53.
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Citations
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Preparation method of organopolysiloxane resin
Huang Zhenhong,Chen Xianhui,Wu Jinshu,Huan Ji,Liu Runming +4 more
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TL;DR: In this paper, a preparation method of organopolysiloxane resins is described. But the preparation method is not suitable for the high energy consumption and low energy consumption, short period, high product yield and the like and is more excellent in performance.
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Preparation method of silicone resin
Ma Fengguo,Liu Tao +1 more
- 14 Oct 2015
TL;DR: In this article, a preparation method of high-molecular-weight phenyl silicone resins used in LED package reinforcement is presented, which includes the steps of a) adding an acid catalyst to a mixed solution composed of phenyltrialkoxyl silane, an organic solvent and water and carrying out a reaction; b) water-washing an oil phase after the reaction finished until the oil phase is neutral.
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Phenyl DT silicon resin and preparation method thereof
Luo Ming,Huang Qiang,Wang Youzhi +2 more
- 31 May 2017
TL;DR: In this article, an acid catalyst was added to a mixed liquid of bifunctional organosilane and trifunctionsal organo-silicon resins and the reaction was performed at 40-160 DEG C for 2-8 hours.
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Preparation method for MDTQ type methyl phenyl vinyl silicone resin
Zhu Huaijun,Dai Zilin,Tu Weiping +2 more
- 19 Nov 2014
TL;DR: In this article, a preparation method for MDTQ type methyl phenyl vinyl silicone resin is characterized by comprising the following steps: mixing MDT type methylphenyl silicone silicone resin prepolymer solution containing a hydroxyl, heating and reflowing, so as to distil off water generated from condensation; stirring for reaction, stopping heating, and cooling to the room temperature; then washing until the mixture is neutral, drying, decoloring, and separating out a solvent and a low-molecular-weight compound under the vacuum condition, to obtain the
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Preparation method of transparent organic silica gel with high refractive index for high brightness and large power COB-LED encapsulation
He Ying,Qiu Ximei,He Chaoqi,Cai Jijie,Wang Xinnan,Wang Jun An,Cao Yu +6 more
- 23 Jul 2014
TL;DR: In this paper, a preparation method of a transparent organic silica gel with a high refractive index for high brightness and large power COB-LED encapsulation is described, which belongs to the technical field of photoelectrical device encapsulation materials.
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Patent
Preparation method of phenyl-based hydrogen-based silicone resin for encapsulating LED
Xiaowei Ding,Jialin Xu,Yijun Liao,Ouyang Chong +3 more
- 04 Jan 2012
TL;DR: In this paper, a preparation method of phenyl-based hydrogen-based silicone resincan for encapsulating LED was proposed, which comprises the following steps of: (a) mixing alkoxy silane, blocking agent, solvent and catalyst, stirring the mixture at the temperature of 40 DEGC to 50 DEG C, dropwise adding water for reaction, and making the mixture continue to react for 1 to 3 hours at a temperature of 50 deG C.
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Patent
Preparation of methyl phenyl vinyl silicon resin
Xiaoqiu Xu,Guoqiao Lai,Xiongfa Yang,Jianxiong Jiang,Hong Dong,Chuan Wu +5 more
- 12 Jan 2011
TL;DR: In this article, a preparation method for transparent methyl phenyl vinyl silicone resins with high refractive index and a methyl-psilica chain link was proposed, which has ideal reaction repeatability and controllability, no waste water generation, no bath neutralization and low labor intensity.
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Patent
Preparation method of phenyl silicone resin
Quan Wang,Junliu Su,Jiaguo Xi,Jiazhong Li +3 more
- 03 Nov 2010
TL;DR: In this article, the authors used alkyl alkoxy silane monomer and siloxane blocking agent as raw materials, using strong proton acid as a catalyst and cleaning and removing the catalyst with high-purity water at high temperature, wherein organic solvents are not used in the overall process.
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Patent
Preparation method for thermoset high temperature resistant methyl phenyl silicone resin
Hengbo Yin,Yiqian Jiang,Yanjun Liu,Xiaobo Yan,Chaoqun Ge,Yutang Shen,Kechao Ma +6 more
- 18 Jul 2012
TL;DR: In this article, a method for thermoset high temperature resistant methyl phenyl silicone resin resins is described. But the method is not suitable for high temperature resins, as it can not be dissolved or fused, and can be used as silicon rubber or plastic filler.
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