Reaction products of polysiloxanes and polyphenols

Details Reaction products of polysiloxanes and polyphenols Reaction products of polysiloxanes and polyphenols

1975-03-06

1977-05-10

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260824R, 260826, C08G 7704

Patent

active

040227537

ABSTRACT:
Reaction products, containing phenolic hydroxyl groups, of polysiloxanes and polyphenols are obtained by reacting alkoxy-terminated or acyloxy-terminated polysiloxane compounds with polyphenols at elevated temperature, employing 1.2 to 10 equivalents of phenolic hydroxyl groups per 1 equivalent of alkoxy group or acyloxy group. The reaction products containing hydroxyl groups can be used for curing and modifying epoxide resins and give flexible, hydrophobic plastics of valuable mechanical and dielectric properties.

REFERENCES:
patent: 2584351 (1952-02-01), Hunter et al.
patent: 2755269 (1956-07-01), Moorhead
patent: 2885384 (1959-05-01), Sterman
patent: 2927910 (1960-03-01), Cooper
patent: 3356758 (1967-12-01), Omietanski et al.

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