Process for preparing highly transparent elastomers

Details Process for preparing highly transparent elastomers Process for preparing highly transparent elastomers

1975-05-02

1977-02-15

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 465G, C08L 8304

Patent

active

040081982

ABSTRACT:
Highly transparent or optically clear elastomers are prepared by mixing (1) a nitrogen containing compound having at least one triorganosilyl group in which at least one nitrogen atom is linked either directly to a silicon atom or via an oxygen atom, but no more than one triorganosilyl group is linked to a nitrogen atom and no more than one condensable group is linked to a silicon atom, (2) a hexaorganodisilazane, (3) silicon dioxide having a surface area of at least 50 m.sup.2 /g with (4) a highly viscous diorganopolysiloxane. The resulting composition may be cured by the addition of a curing agent to form highly transparent or optically clear elastomers.

REFERENCES:
patent: 3243404 (1966-03-01), Martellock
patent: 3364160 (1968-01-01), Golitz et al.
patent: 3428599 (1969-02-01), Newing
patent: 3642685 (1972-02-01), Matherly

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