Method for controlling the cure rate of silicone foam

Details Method for controlling the cure rate of silicone foam Method for controlling the cure rate of silicone foam

1990-04-02

1991-01-08

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521 88, 521117, 521154, C08J 900

Patent

active

049836412

ABSTRACT:
A method is provided for controlling the cure time of a platinum-catalyzed addition cured silicone foamable composition, comprising the step of adding to the composition an aqueous buffer solution having a pH of about 2 to about 10, wherein cure time is increased if the pH of the buffer solution is higher than the pH of the composition prior to the addition thereto of the buffer solution and decreased if the pH of the buffer solution is lower than the pH of the composition prior to the addition thereto of the buffer solution.

REFERENCES:
patent: 4418157 (1983-11-01), Modic
patent: 4851452 (1989-07-01), Gross et al.
patent: 4879317 (1989-11-01), Smith et al.

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