UV curable protective encapsulant
First Claim
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1. An encapsulation composition comprising one or more base oligomer/polymers;
- one or more diacrylate monomers selected from the group consisting of tricyclodecane dimethanol diacrylate, hydroxypivalaldehyde modified trimethyloipropane diacrylate and mixtures thereof;
one or more thixotropic agents; and
one or more filler materials selected from the group consisting of spherical hollow glass beads, solid glass beads, talc, spherical silica and mixtures thereof.
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Abstract
The present invention discloses encapsulant materials for use in glob top and/or dam and fill applications comprising base oligomer/monomers preferably having an acrylated/methacrylated or vinylene-containing oligomer/polymer, one or more multifunctional acrylate monomers, one or more thixotropic agents and, optionally, fillers, additives, photoinitiators and/or pigments. The encapsulant has low levels of water absorption and shrinkage.
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14 Claims
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1. An encapsulation composition comprising one or more base oligomer/polymers;
- one or more diacrylate monomers selected from the group consisting of tricyclodecane dimethanol diacrylate, hydroxypivalaldehyde modified trimethyloipropane diacrylate and mixtures thereof;
one or more thixotropic agents; and
one or more filler materials selected from the group consisting of spherical hollow glass beads, solid glass beads, talc, spherical silica and mixtures thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
- one or more diacrylate monomers selected from the group consisting of tricyclodecane dimethanol diacrylate, hydroxypivalaldehyde modified trimethyloipropane diacrylate and mixtures thereof;
Specification