Radiation curable compositions having improved moisture resistan

Details Radiation curable compositions having improved moisture resistan Radiation curable compositions having improved moisture resistan

1996-07-22

1998-09-22

Nakarani, D. S.

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

Synthetic resins

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

522 18, 522 99, C08F 246

Patent

active

058114726

ABSTRACT:
Radiation curable compositions having improved moisture resistance with at least one acrylic monomer, silica, at least one initiator for ultraviolet radiation-induced curing of said composition, an effective amount of at least one ultraviolet light absorber, an effective amount of at least one hindered amine light stabilizer to inhibit ultraviolet radiation-induced degradation of said composition, and an effective amount of at least one acrylic functional siloxane additive to provide a surface energy of said composition having a contact angle of water greater than about 80.degree.. When employed as coatings for resinous articles, such as polycarbonate, and cured, said compositions provide improved weatherability and moisture resistance.

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"Photocrosslinking of Silicones. VI.* Photocrosslinking Kinetics of Silicone Acrylates and Methacrylates" by U. Muller, S. Jockusch and H-J Timpe,Journal of Polymer Science: Part A; Polymer Chemistry, vol. 30-2755-2764 (1992).

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