Non post cure epoxy resin casting system

Abstract

The invention provides a non post cure epoxy resin casting system including a formula toughening epoxy resin and a formula toughening anhydride curing agent; the formula toughening epoxy resin is milk white to pale yellow solvent-free pre-acceleration liquid epoxy resin; the formula toughening anhydride curing agent is an improved pre-acceleration anhydride liquid curing agent; components are mixed at the lower temperature in the desired quantity, are defoamed under vacuum condition for 0.5 to 2 hours after even mixing, and then are poured into a mold for curing reaction. The non post cure epoxy resin casting system has the following main characteristics: after demoulding, curing is not needed, the comprehensive energy consumption of electrical equipment manufacturing plants can be reduced, the production cycle time can be shortened by more than 20%, the product delivery time can be shortened, the product cost and labor intensity of workers can be reduced.

Description

technical field

[0001] The invention relates to an epoxy resin casting system, in particular to a non-post-curing epoxy resin casting system which can achieve the same electromechanical properties as the post-curing epoxy system without post-curing. Background technique

[0002] Epoxy resin has excellent physical and mechanical properties, electrical insulation properties, chemical resistance and bonding properties, and can be used as coatings, casting materials, molding materials, adhesives, and laminated materials in the form of direct or indirect use from daily life. All aspects of the national economy from supplies to high-tech fields. Especially in the field of electrical insulation, epoxy resin occupies a very important position, but the current mainstream production process adopts two kinds of traditional vacuum casting and automatic pressure gel (APG). The mold is then again subjected to a post-curing process at a high temperature of about 130 degrees Celsius for up...

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