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Citation: Wang Changsong, Zhou Benlian. Study on Epoxy Resin with Modified Prepolymer Containing Spiro-orthocarbonate[J]. Chinese Journal of Applied Chemistry, ;1998, 15(4): 77-79. shu

Study on Epoxy Resin with Modified Prepolymer Containing Spiro-orthocarbonate

Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110015

Received Date: 16 October 1997
Revised Date: 16 March 1998

The epoxy resin E-51 has been modified with a new prepolymer containing spiroorthocarbonate. It is found that the addition of the prepolymer into epoxy resin system enhances the conversion of epoxy groups with the T_g and thermal stability of the matrix being slightly reduced. The adhesive tensile and shear strengths of the modified resin increased obviousely with the increase in prepolymer content. The relationship between the shrinkage and adhesive strengths of the products also has been investigated.
- epoxy resin modification,
- spiro-orthocarbonate prepolymer,
- adhesive strength,
- thermal stability
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