Pressure-sensitive adhesives based on radiation-curable polyeste

Details Pressure-sensitive adhesives based on radiation-curable polyeste Pressure-sensitive adhesives based on radiation-curable polyeste

1986-05-07

1989-04-11

Jacobs, Lewis T.

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

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 97, 522104, 526301, 526320, 5263231, 4284237, 428482, C08F 254, C08F 2036, C08F 2058

Patent

active

048207454

ABSTRACT:
Pressure-sensitive adhesives composed of radiation-cured (meth)acrylic-functional polyesters are prepared from base polyesters, fluid at room temperature, which have molecular weights of 1,000 to 10,000 and branched main chain, and/or from new polyesters having aliphatic side chains bound by ester bridges or, in some cases, ether bridges to the main chain, followed by functionalization of a maximum of 90% of the original hydroxyl groups of the base polyesters by reaction with (meth)acrylate compounds, and crosslinked by electron beam or ultraviolet radiation in a thin coating on a support. The new pressure-sensitive adhesives have the property and the advantage of being cross-linkable by radiation without the use of solvents or diluents.

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