A kind of silicone elastomer gel and its preparation method and application
A body gel and silicone technology, which is applied in the field of silicone elastomer gel and its preparation, can solve the problems of reducing the spreadability of silicone oil, skin greasy feeling, poor waterproof performance, and difficult retention, etc., and achieve good spreadability , Reduce stickiness, improve matte effect
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Embodiment 1
[0031] Embodiment 1, a kind of silicone elastomer gel
[0032] The silicone elastomer gel includes the following components and their mass parts: 100 parts of hydrogen-containing silicone oil, 2 parts of vinyl MQ resin, 8 parts of vinyl-terminated silicone oil, 1 ppm of platinum catalyst, and 400 parts of carrier fluid; The hydrogen content of the hydrogen-containing silicone oil is 0.1%; the vinyl MQ resin has a vinyl content of 0.1%, a molecular structure in which the ratio of the amount of the M chain unit to the Q chain unit is 0.3:1, and the molecular weight is 3000. Vinyl MQ resin and vinyl MQ resin whose vinyl content is 3%, the ratio of the amount of M chain unit and Q chain unit in the molecular structure is 2:1, and the molecular weight is 20000 are composed by mass ratio of 5:2; The molecular formula of the terminal vinyl silicone oil is: CH 2 =CH-Si(CH 3 ) 2 O[(CH 3 ) 2 SiO] n (CH 3 ) 2 Si-CH=CH 2 , wherein n is 30; the platinum catalyst is a chloroplatini...
Embodiment 2
[0037] Embodiment 2, a kind of silicone elastomer gel
[0038] The silicone elastomer gel includes the following components and parts by mass: 200 parts of hydrogen-containing silicone oil, 50 parts of vinyl MQ resin, 80 parts of vinyl-terminated silicone oil, 30 ppm of platinum catalyst, and 1000 parts of carrier fluid; The hydrogen content of the hydrogen-containing silicone oil is 1.5%; the vinyl MQ resin is 0.1% by the vinyl content, the ratio of the amount of the M chain unit and the Q chain unit in the molecular structure is 0.3:1, and the molecular weight is 3000. Vinyl MQ resin and vinyl MQ resin whose vinyl content is 3%, the ratio of the amount of M chain unit and Q chain unit in the molecular structure is 2:1, and the molecular weight is 20000 are composed by mass ratio of 8:1; The molecular formula of the terminal vinyl silicone oil is: CH 2 =CH-Si(CH 3 ) 2 O[(CH3 ) 2 SiO] n (CH 3 ) 2 Si-CH=CH 2 , wherein n is 150; the platinum catalyst is a vinyl platinum ...
Embodiment 3
[0043] Embodiment 3, a kind of silicone elastomer gel
[0044] The silicone elastomer gel includes the following components and parts by mass: 134 parts of hydrogen-containing silicone oil, 23 parts of vinyl MQ resin, 35 parts of vinyl-terminated silicone oil, 10 ppm of platinum catalyst, and 650 parts of carrier fluid; The hydrogen content of the hydrogen-containing silicone oil is 0.8%; the vinyl MQ resin is 0.1% by the vinyl content, the ratio of the amount of the M chain unit to the Q chain unit in the molecular structure is 0.3:1, and the molecular weight is 3000. Vinyl MQ resin and vinyl MQ resin whose vinyl content is 3%, the ratio of the amount of M chain unit and Q chain unit in the molecular structure is 2:1, and the molecular weight is 20000 are composed by mass ratio of 7:2; The molecular formula of the terminal vinyl silicone oil is: CH 2 =CH-Si(CH 3 ) 2 O[(CH 3 ) 2 SiO] n (CH 3 ) 2 Si-CH=CH 2 , wherein n is 90; the platinum catalyst is a chloroplatinic a...
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