Ethylenically polyurethane unsaturated composition

Gas separation: apparatus – Solid sorbent apparatus – With programmed – cyclic – or time responsive control means

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20415919, 260 775AP, 260 775CR, 260 775AT, 96 351, G03C 168, G08F 1824

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active

040574318

ABSTRACT:
A liquid ethylenically unsaturated polurethane composition having no free NCO and a viscosity of 2,000 to 10,000 centipoises at 24.degree. C. dispersible in dilute caustic and capable of being polymerized by actinic light to yield a solid having a Shore A hardness of at least 30. Said composition may contain a diluent and a photosensitizing agent to adjust the viscosity and making the composition more readily utilizable for making printing plates.

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