Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1987-12-17
1989-08-22
Marquis, Melvyn I.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
522135, 522137, 525440, 525445, 525455, C08F 800
Patent
active
048597422
ABSTRACT:
The invention relates to a thermoplastic solid composition which can be cured by the application of a radiation, for example UV, and to solid products which can be handled and stored and are obtained by shaping such a composition, before application of the radiation.
The solid thermoplastic composition comprises at least one solid thermoplastic polymer and a radiation-crosslinkable oligomer containing at least two ethylenic unsaturations, each of these unsaturations being situated either at the end of a chain or in a pendent position. The weight ratio of the solid thermoplastic polymer to the radiation-crosslinkable oligomer is between 55/45 and 964, preferably between 70/30 and 96/4, respectively.
The products obtained after crosslinking by the application of radiation have good mechanical properties, even at elevated temperature.
The compositions of the invention can be used particularly for producing packaging sheets having the shape of the product to be wrapped, and of prosthetic components.
REFERENCES:
patent: 3658669 (1972-04-01), Colomb, Jr. et al.
patent: 3833384 (1974-09-01), Noonan et al.
patent: 4284732 (1981-08-01), Petersen et al.
patent: 4379039 (1983-04-01), Fujimoto et al.
Le Roy Patrice
Pattein Jacky
Marquis Melvyn I.
Societe Nationale des Poudres et Explosifs
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