Ultraviolet radiation-curable silicone release compositions with

Details Ultraviolet radiation-curable silicone release compositions with Ultraviolet radiation-curable silicone release compositions with

1985-12-18

1987-02-03

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

522 99, 549215, 525474, 525479, 525476, 528 15, 528 25, 528 31, 556445, 556451, 556462, 556450, C08G 7704

Patent

active

046409670

ABSTRACT:
Epoxy- and/or acrylic-functional polysiloxanes are disclosed which, when combined with onium salt photoinitiating catalysts or free-radical photoinitiating catalysts or both, form ultraviolet radiation-curable release coating compositions which render surfaces non-adherent to other surfaces which would normally adhere thereto. The compositions will cure to such an adhesive state upon brief exposure to ultraviolet radiation. Cure and substrate adhesion may be enhanced by the addition of epoxy monomers where onium salt photocatalysts are included. Preparation of the polymers, coating compositions, catalysts and catalyst blends are also disclosed.

REFERENCES:
patent: 4503208 (1985-03-01), Lin
patent: 4543404 (1985-09-01), Sugano et al.
patent: 4576999 (1986-03-01), Eckberg

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