Polysiloxanes containing hydroxyl groups

Details Polysiloxanes containing hydroxyl groups Polysiloxanes containing hydroxyl groups

1976-03-29

1977-03-22

Shaver, Paul F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 25A, 260 25AM, 260 25AV, 260830R, 260858, 260 465R, 260410, C07F 718

Patent

active

040136981

ABSTRACT:
Polysiloxanes containing hydroxyl groups are manufactured by reacting polysiloxanes, which have been (so-called) advanced with polyols and which contain alkoxy groups, with aliphatic or cycloaliphatic diols in the presence of a catalyst at elevated temperatures. The new polysiloxanols can be used as modifiers for organic resins such as urethane resins or epoxide resins, and give flexible, hydrophobic plastics having valuable mechanical properties.

REFERENCES:
patent: 2724698 (1955-11-01), Kittleson
patent: 3040080 (1962-06-01), Kopnick et al.
patent: 3085104 (1963-04-01), Smith et al.
patent: 3336227 (1967-08-01), Gothel et al.
patent: 3444081 (1969-05-01), Gothel et al.
patent: 3514402 (1970-05-01), Gothel et al.
patent: 3639441 (1972-02-01), Feichtinger et al.

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