We have tried to synthesize the silicone gel elastomer (HTV silicone , platinum-catalyzed addition curing) by mixing the PDMS-Vinyl terminated,poly(methyl hydrogen siloxane),PDMS-Hydrogen terminated and platinume complex solution;and then leave them in elevated temperature;
We have tried different component ratio,different reaction temperature and different time lapse,but we havn't seen any curing yet!so I wanted to ask if any one can help us by pointing our problem or suggest a starting formulation?
The best is, if you buy a ready solution of your problem like MM skin 13 (you can google it). This is a two component system consisting of a Si-CH2=CH2 component and a Si-H component. One component contains also the Pt-catalyst. Both components must be mixed easily in a 1:1 portion. This silicon elastomer is also suitable for medical purposes.
Organopolysiloxane gels containing a hydrocarbon diluent and non-chemically bonded natural oils are prepared by the hydrosilylative gelling of a mixture of an aliphatically unsaturated organopolysiloxane, an Si-H-functional organopolysiloxane, and a long chain α-olefin, in the presence of a hydrocarbon diluent and at least one natural oil. Stable creamy gels are produced by shearing the gel product, and contain only a minor amount of crosslinked organopolysiloxane elastomeric component
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