Phenyl modified epoxy organic silicon resin and preparation method thereof, organic silicon packaging adhesive and LED lamp
A technology of epoxy silicone and silicone, which is applied in adhesives, electrical components, circuits, etc., can solve the problems of short LED life, high production cost, poor bonding performance and high temperature resistance, etc., and achieve long lamp life, optical The effect of stable performance, excellent high temperature resistance and bonding performance
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[0046] Correspondingly, the present invention also provides a preparation method of the above-mentioned phenyl-modified epoxy silicone resin. The process flow of this method is as figure 1 shown, including the following steps:
[0047] Step S01. Configure the mixed solution of monomers: the epoxy group-containing alkyl silicon monomer of the general molecular formula A, the methyl phenyl silicon monomer of the general formula B and the methyl silicon monomer of the general formula C are as follows: The percentage is mixed to form a mixed solution:
[0048] Epoxy-containing alkyl silicon monomer 10-90%
[0049] Methylphenyl silicon monomer 10~90%
[0050] Methyl silicon monomer 0~40%,
[0051] , , ,
[0052] Among them, the adjacent or non-adjacent R in the formulas A, B, and C can be the same or not the same as CH 3 or C 2 h 5 or OCH 3 or OC 2 h 5 ;
[0053] Step S02. Polymerize the mixture of monomers: in an oxygen-free environment, mix the mixture pre...
Embodiment 1
[0094] Phenyl modified epoxy silicone resin and preparation method thereof:
[0095] Step 1. Obtain reactant monomer:
[0096] 2-(3,4-Epoxycyclohexyl)ethyltrimethoxysilane: self-made according to the existing method, purify it: distill it, take the middle fraction (head and tail removed), the purity is 99.7% about;
[0097] 2-(3,4-Epoxycyclohexyl)ethylmethyldimethoxysilane: buy it directly, purify it: distill it, take the middle distillate (head and tail off), the purity is 99.8% about;
[0098] Dimethyldimethoxysilane: self-made according to the existing method, purify it: distill it, take the middle distillate (head and tail removed), the purity is about 99.5%;
[0099] Methylphenyldimethoxysilane: self-made according to the existing method, purify it: distill it, take the middle distillate (head and tail removed), the purity is about 99.8%;
[0100] Trimethylmethoxysilane: buy it directly, purify it: distill it, take the middle distillate (head and tail removed), the pu...
Embodiment 2
[0110] Phenyl modified epoxy silicone resin and preparation method thereof:
[0111] Step 1. Obtain reactant monomer:
[0112] 2-(3,4-epoxycyclohexyl)ethyltrimethoxysilane: buy it directly, purify it: distill it, take the middle fraction (head and tail removed), the purity is about 99.7%;
[0113] 2-(3,4-Epoxycyclohexyl)ethylmethyldimethoxysilane: buy it directly, purify it: distill it, take the middle distillate (head and tail off), the purity is 99.8% about;
[0114] Dimethyldimethoxysilane: buy it directly, purify it: distill it, take the middle distillate (head and tail removed), the purity is about 99.5%;
[0115] Methylphenyldimethoxysilane: buy it directly, purify it: distill it, take the middle distillate (head and tail removed), the purity is about 99.8%;
[0116] Trimethylmethoxysilane: buy it directly, purify it: distill it, take the middle distillate (head and tail removed), the purity is about 99.2%;
[0117] Methyltrimethoxysilane: buy it directly, purify it:...
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