Patent ID: 9695334
Date: 2017-07-04
CPC Classifications: C08G,C08L,C09D,H01L

Claim:
1. A polymeric positive temperature coefficient device sealed with an oxygen barrier composition comprising: a meta-substituted aromatic resin selected from the group consisting of: meta-substituted resorcinol epoxy resins, meta-substituted acrylic resorcinol resins, meta-substituted methacrylic-resorcinol resins, meta-substituted tetraglycidyl xylenediamine resins, resorcinol, and combinations thereof; and an additional aromatic epoxy resin selected from the group consisting of: bisphenol-F diglycidyl ether, bisphenol-A diglycidyl ether, epoxidized phenol novolac resins, epoxidized cresol novolac resins, polycyclic epoxy resins, naphthalene diepoxides, and combinations thereof; wherein the composition is capable of undergoing a B-stageable cure or a photoinitiated cure, and wherein the composition has an oxygen permeability of less than approximately 0.4 cm3·mm/m2·atm·day at approximately 0% relative humidity and approximately 23° C.