Hydroxybicyclosiloxane rigid urethane foam stabilizers

Details Hydroxybicyclosiloxane rigid urethane foam stabilizers Hydroxybicyclosiloxane rigid urethane foam stabilizers

1972-12-29

1977-07-05

Shaver, Paul F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 25AH, 2604482E, C07F 708

Patent

active

040339904

ABSTRACT:
This application relates to certain novel hydroxybicyclosiloxanes that are particularly useful as foam stabilizers for rigid polyurethane foams. The novel hydroxybicyclosiloxanes have critical siloxane molecular weights and are produced by an addition reaction involving hydrosiloxanes and olefinically unsaturated bicyclic alcohols that contain an olefinic bond which does not shift significantly during the reaction.

REFERENCES:
patent: 2819245 (1958-01-01), Shorr
patent: 2823218 (1958-02-01), Speier et al.
patent: 2924587 (1960-02-01), Shorr
patent: 2924588 (1960-02-01), Shorr

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