Patent ID: 8420177
Filing Date: 2013-04-16
Classification: C08K,C09J,Y10T

Abstract:
1. A preparation method of functional multilayer anisotropic conductive adhesive film, adopting suspension polymerization means, comprising the following steps: A, mixing and stirring tocopheroxyl, novolac epoxy, and a solvent; B, adding elastic mixture of acrylic rubbers and styrene-butadiene rubbers into the admixture obtained from step A, stifling; C, adding acrylic rubbers and additional solvent into the admixture obtained from step B, dissolving and stifling; D, waiting as viscosity of the polymer obtained from step C naturally reduces to a degree that no more polymerization occurs, thus a coating material to be used for a resin layer obtained; E, stifling long chain imidazole derivatives to form a coating material to be used for a reinforcing layer,_which long chain imidazole derivatives are formed by 2,4-diamino-6[-2-undecyl imidazolyl(1)]-ethyl-cis-triazine, 1-cyanoethyl-2-undecyl-imidazole trimellitate and isocyanate derivative; F, stifling a micro-encapsulating resin, and then combining conductive particles with said microencapsulating resin; G, mixing butyl acrylate, methyl acrylate and glycol acrylate under presence of tetramethyl butyl peroxy-2-ethyl hexanoate to form a copolymer, after stirring and foam breaking, a coating material to be used for a copolymer layer obtained; H, coating under temperature of 100° C.-135° C. to successively form the conductive particle layer, the resin layer, the reinforcing layer, and the copolymer layer on a polyester film, thereby obtaining the functional multilayer anisotropic conductive adhesive film.