Polymerisable compositions

Details Polymerisable compositions Polymerisable compositions

1990-11-20

1992-06-30

Carrillo, Ana L.

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

Synthetic resins

Ethylenically unsaturated reactant admixed with either...

525 43, 525440, 525454, 525455, 525920, C08L 6707, C08L 6706, C08L 7516

Patent

active

051263963

ABSTRACT:
A polymerisable composition which comprises an unsaturated urethane, a C.sub.1 or C.sub.2 alkyl methacrylate and at least one other ethylenically unsaturated addition polymerisable substance copolymerisable therewith, such polymerisable compositions, where they contain an inorganic filler, overcome some of the problems associated with the polymerisable compositions described in European 0.064,809. Where the polymerisable substance comprises an unsaturated polyester, the shelf-life of the polymerisable composition can be extended by adding thereto a reagent which reacts with a portion of the free carboxyl group in the unsaturated polyester. The compositions may be used, for example, in the production of fibre-reinforced composites.

REFERENCES:
patent: 3448172 (1969-06-01), Damusis et al.
patent: 4254230 (1981-03-01), Howard
patent: 4324575 (1982-04-01), Levy
patent: 4413072 (1983-11-01), Hess et al.
patent: 4481281 (1984-11-01), Tsao et al.
patent: 4503198 (1985-03-01), Miyai et al.
patent: 4552932 (1985-11-01), Schollenberger
Kirk Othmer, Encyclopaedia of Chemical Technology, Third Edition, vol. 18, pp. 575-584.
Encyclopaedia of Polymer Science and Engineering, 2nd Ed, vol. 12, p. 256.
Webster's Third New International Dictionary "polyester".

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