Epoxysiloxanes

Details Epoxysiloxanes Epoxysiloxanes

1988-11-21

1990-09-04

Bleutge, John C.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525479, 525481, 525525, 528 27, 528 31, 522148, 549215, C08G 7704, C07D30302

Patent

active

049545809

ABSTRACT:
Epoxysiloxanes having, per molecule, at least two groupings of the formula ##STR1## in which R.sup.1 and R.sup.2 independently of one another are C.sub.1 -C.sub.10 alkyl, C.sub.1 -C.sub.10 alkyoxy, C.sub.3 -C.sub.8 cycloalkyl, C.sub.6 -C.sub.10 aryl, benzyl or a halogen atom and in which each grouping of the formula I in each case is attached directly to a silicon atom of the siloxane radical, are suitable for use as epoxy resins. They can be used together with customary epoxy resin curing agents, for example, for the production of adhesives, sealing materials, lacquers or encapsulating resins, and afford products having excellent properties. The epoxysiloxanes according to the invention are also valuable reactive thinners and flexibilizers for curable epoxy resin mixtures.

REFERENCES:
patent: 2883397 (1959-04-01), Bailey
patent: 3455877 (1969-07-01), Plueddemann
patent: 4208503 (1980-06-01), Martin
patent: 4395527 (1983-07-01), Berger
Lee & Neville, "Handbook of Epoxy Resins", McGraw Hill, New York 1982, pp. 15-13.
E. P. Plueddemann, J. Chem. Eng. Data, 5, 59 (1960).
E. P. Pleuddemann et al., J. Am. Chem. Soc., 81, 2632 (1959).

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