Double component additive sealing organic silicon material for electric kettle and preparation method thereof
An electric kettle, two-component technology, applied in the directions of adhesive additives, non-polymer adhesive additives, adhesives, etc., can solve the problems of long curing time, low production efficiency, difficulty in meeting export, etc., and achieve good anti-aging performance. , Fast bonding and curing, the effect of improving production efficiency
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Embodiment 1
[0030] Example 1: Two-component addition molding sealing silicone material for electric kettle
[0031] The two-component addition molding sealing silicone material for electric kettle includes equal mass of component A and component B; component A includes raw materials of the following mass parts: 85 parts of vinyl polysiloxane, 16 parts of white carbon black, The binder is 3 parts and the catalyst is 0.3 parts; the B component includes the following parts by mass of raw materials: 85 parts of vinyl polysiloxane, 16 parts of white carbon black, 9 parts of hydrogen-containing silicone oil, and 0.08 parts of inhibitor.
[0032] The structural formula of the adhesive is: R 1 [(CH 3 ) 2 SiO 2 / 2 ] m [CH 3 R 2 SiO 2 / 2 ] n (CH 3 ) 2 SiR 1 ; Where R 1 Is epoxy group, R 2 Is hydrogen, m+n=17; vinyl polysiloxane is a vinyl-terminated silicone oil with a viscosity of 20000 mPa.s and a vinyl mass percentage of 0.08%; the white carbon black is a hydrophilic fumed white carbon black, The avera...
Embodiment 2
[0037] Example 2 Two-component addition molding sealing silicone material for electric kettle
[0038] The two-component addition molding sealing silicone material for electric kettle includes equal mass of component A and component B; component A includes the following raw materials by mass: 70 parts of vinyl polysiloxane, 8 parts of white carbon black, The binder is 2 parts and the catalyst is 0.2 parts; the B component includes the following materials in parts by mass: 70 parts of vinyl polysiloxane, 8 parts of white carbon black, 4 parts of hydrogen-containing silicone oil, and 0.05 parts of inhibitor.
[0039] The structural formula of the adhesive is: R 1 [(CH 3 ) 2 SiO 2 / 2 ] m [CH 3 R 2 SiO 2 / 2 ] n (CH 3 ) 2 SiR 1 ; Where R 1 Is methoxy, R 2 Is vinyl, m+n=18; vinyl polysiloxane is pendant vinyl silicone oil, its viscosity is 5000mPa.s, and the vinyl mass percentage is 1.2%; the white carbon black is precipitation method white carbon black. The average particle size is 6 μm; ...
Embodiment 3
[0041] Example 3 Two-component addition molding sealing silicone material for electric kettle
[0042] The two-component addition molding sealing silicone material for electric kettle includes equal mass of component A and component B; component A includes raw materials of the following mass parts: 100 parts of vinyl polysiloxane, 25 parts of white carbon black, 4 parts of adhesive and 0.4 parts of catalyst; the B component includes the following materials in parts by mass: 100 parts of vinyl polysiloxane, 25 parts of white carbon black, 16 parts of hydrogen-containing silicone oil, and 0.12 parts of inhibitor.
[0043] The structural formula of the adhesive is: R 1 [(CH 3 ) 2 SiO 2 / 2 ] m [CH 3 R 2 SiO 2 / 2 ] n (CH 3 ) 2 SiR 1 ; Where R 1 Is an acyloxy group, R 2 Selected from vinyl, m+n=16; vinyl polysiloxane is a vinyl terminated oligosiloxane with a viscosity of 10000 mPa.s and a vinyl mass percentage of 0.1%; silica is hydrophobic Fumed white carbon black with an average specifi...
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