Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1986-11-10
1988-01-12
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521122, 521127, 521154, 528 18, 528 31, 528901, C08J 900
Patent
active
047192437
ABSTRACT:
The specification is directed to polysiloxane foams. There are disclosed compositions capable of curing at room temperature which comprise a hydroxypolysiloxane, an alkylhydrogen polysiloxane, a tin compound as catalyst and finely divided filler. According to the invention storage stability of these foam forming polysiloxane compositions is improved by use as filler of silica which has been pretreated to render is hydrophobic. The subject compositions may comprise two components which do not require individual mixing prior to mixing together of the components. The compositions may be packaged in any convenient manner. The compositions may be used for a variety of purposes, for example to provide medical dressings.
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U.S. patent application Ser. No. 929,250, filed 11/10/86 by David Pocknell, Entitled "Methods of Making Dressings".
U.S. patent application Ser. No. 929,252, Filed 11/10/86 by David Pocknell, Entitled "Method of Making Dressings".
Cornwall Susan M.
Dow Corning France S.A.
Foelak Morton
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