Method for preparing organosilicone hybrid resin and power type encapsulating material for light-emitting diodes (LED) thereof and application
A technology of hybrid resin and silicone, which is applied in the direction of organic insulators, plastic/resin/wax insulators, coatings, etc., and can solve the problems of low refractive index, low refractive index and non-adjustable of epoxy resin and silicone
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Embodiment 1
[0051] (1) Preparation of silicone hybrid resin
[0052] Take 40g CF 3 CH 2 CH 2 Si(OCH 3 ) 3 (Hangzhou Jessica Chemical Co., Ltd.), 10gOC 6 h 9 CH 2 CH 2 Si(OCH 3 ) 3 (Ark (Fogang) Chemical Materials Co., Ltd.), 100g diphenyldimethoxysilane (C 6 h 5 ) 2 Si(OCH 3 ) 2 (Zhejiang Chemical Technology Group Co., Ltd.), 30g distilled water, 2.0g dibutyltin dilaurate and 150g 2-butanone solvent are mixed in a round-bottomed flask reactor equipped with a stirrer, reflux condenser and thermometer, and the temperature is raised after stirring Reaction at 80°C for 8h. After the reaction was completed, the reaction was carried out by a rotary evaporator at 50°C and a vacuum of 10 4 The water, solvent and by-products were removed by rotary evaporation under Pa condition for 2 h, and a colorless, transparent and viscous organosilicon hybrid resin was prepared.
[0053] With GPC, FT-IR and 1 H NMR characterizes the structure of the product, wherein, the number average molec...
Embodiment 2
[0058] (1) Preparation of silicone hybrid resin
[0059] Take 2g n-C 8 f 17 C 2 h 4 Si(OCH 3 ) 3 (Ark (Fogang) Chemical Materials Co., Ltd.) (n refers to C in the molecular formula 8 is a straight chain containing 8 carbon atoms), 30g OCH 2 CHCH 2 OC 3 h 6 Si(OCH 3 ) 3 (Ark (Fogang) Chemical Materials Co., Ltd.), 100g C 6 h 5 Si(OCH 3 ) 3 (Zhejiang Chemical Technology Group Co., Ltd.), 5g of distilled water, 5g of stannous octoate, and 120g of methyl isobutyl ketone were mixed in a round-bottomed flask reactor equipped with a stirrer, reflux condenser, and thermometer. Reaction 24h. After the reaction was completed, the reaction was carried out at 100°C with a vacuum of 5ⅹ10 3 The water, solvent and by-products were removed by rotary evaporation for 0.5 h under Pa condition, and a colorless, transparent and viscous organosilicon hybrid resin was prepared.
[0060] With GPC, FT-IR and 1 The structure of the product was characterized by H NMR. The number aver...
Embodiment 3
[0065] (1) Preparation of silicone hybrid resin
[0066] Take 8g C 6 f 13 C 2 h 4 Si(OC 2 h 5 ) 3 (Harbin Xuejia Fluorosilicon Chemical Co., Ltd.), 90gOCH 2 CHCH 2 OC 8 h 16 Si(OCH 3 ) 3 (Guangzhou Jiachang Chemical Trading Co., Ltd.), 100g (C 6 h 5 ) 2 Si(OCH 3 ) 2 (Zhejiang Chemical Technology Group Co., Ltd.), 40g distilled water, 1.5g dibutyl tin diacetate and 100g 1,4-dioxane are mixed in the round bottom flask reactor that stirrer, reflux condenser, thermometer are equipped with, After stirring evenly, react at 70°C for 12h. After the reaction was completed, the reaction was carried out at 80°C with a vacuum of 7ⅹ10 by a rotary evaporator. 3 The water, solvent and by-products were removed by rotary evaporation for 1 h under Pa condition, and a colorless, transparent and viscous organosilicon hybrid resin was prepared.
[0067] With GPC, FT-IR and 1 The structure of the product was characterized by H NMR. The number average molecular weight of the pro...
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