Organosilicon surfactant used for high-resilience foam and preparation method of organosilicon surfactant
A surfactant and high-resilience technology, applied in the field of surfactants and their preparation, silicone surfactants for high-resilience foam and its preparation, to achieve the effect of solving surface and dimensional stability
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Embodiment 1
[0037] (1) Component A 1 Synthesis
[0038] React 94.93g of octamethylcyclotetrasiloxane, 51.71g of high hydrogen-containing silicone oil and 33.36g of hexamethyldisiloxane under the action of concentrated sulfuric acid at 30°C for 7h to obtain hydrogen-containing silicone oil.
[0039] Add 50g of the obtained hydrogen-containing silicone oil and 64.07g of allyl polyether into the reactor, under the conditions of 6ppm chloroplatinic acid catalyst and 100ppm diethanolamine cocatalyst, raise the temperature to 120°C under normal pressure, and react for 3h to obtain component A 1 , the molecular formula is:
[0040] S i (CH 3 ) 3 -O-[S i (CH 3 ) 2 -O] 5·7 -[S i (CH 3 )R-O] 3·6 -S i (CH 3 ) 3
[0041] where R=-CH 2 CH 2 CH 2 O(CH 2 CH 2 O) 2 (CH 2 CH(CH 3 )O) 1 CH 3 .
[0042] (2) Component B 1 Synthesis
[0043] React 116.06g of octamethylcyclotetrasiloxane, 33.37g of high hydrogen-containing silicone oil and 30.57g of hexamethyldisiloxane under the ac...
Embodiment 2
[0050] (1) Component A 2 Synthesis
[0051] React 88.13g of octamethylcyclotetrasiloxane, 39.09g of high hydrogen-containing silicone oil and 52.78g of hexamethyldisiloxane under the action of concentrated sulfuric acid at 30°C for 7 hours to obtain hydrogen-containing silicone oil.
[0052] Add 55g of the obtained hydrogen-containing silicone oil and 53.29g of allyl polyether into the reactor, under the action of 6ppm chloroplatinic acid catalyst and 100ppm triethanolamine cocatalyst, heat up to 110°C under normal pressure and react for 3.5h to obtain component A 2 , the molecular formula is:
[0053] S i (CH 3 ) 3 -O-[S i (CH 3 ) 2 -O] 3.5 -[S i (CH 3 )R-O] 1.8 -S i (CH 3 ) 3
[0054] where R=-CH 2 CH 2 CH 2 O(CH 2 CH 2 O) 2 (CH 2 CH(CH 3 )O) 1 CH 3 .
[0055] (2) Component B 2 Synthesis
[0056] React 113.62g of octamethylcyclotetrasiloxane, 31.7g of high hydrogen-containing silicone oil and 34.68g of hexamethyldisiloxane under the action of conc...
Embodiment 3
[0063] (1) Component A 3 Synthesis
[0064] React 91.59g of octamethylcyclotetrasiloxane, 43.26g of high hydrogen-containing silicone oil and 45.15g of hexamethyldisiloxane under the action of concentrated sulfuric acid at 30°C for 7 hours to obtain hydrogen-containing silicone oil.
[0065] Add 48g of the obtained hydrogen-containing silicone oil and 61.97g of allyl polyether into the reactor, under the action of 6ppm chloroplatinic acid catalyst and 100ppm triethanolamine cocatalyst, heat up to 110°C under normal pressure, and react for 3.5h to obtain component A 3 , the molecular formula is:
[0066] S i (CH 3 ) 3 -O-[S i (CH 3 ) 2 -O] 4.2 -[S i (CH 3 )R-O] 2.3 -S i (CH 3 ) 3
[0067] where R=-CH 2 CH 2 CH 2 O(CH 2 CH 2 O) 3 (CH 2 CH(CH 3 )O) 1 CH 3 .
[0068] (2) Component B 3 Synthesis
[0069] React 109.46g of octamethylcyclotetrasiloxane, 42.36g of high hydrogen-containing silicone oil and 28.18g of hexamethyldisiloxane under the action of co...
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