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An epoxy resin copolymer with zero shrinkage

Part 1 Volume change on cure

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Abstract

Epoxy resin copolymer with zero shrinkage can be obtained by copolymerizing epoxy resin E51 with the expanding monomer of 3,9-di(5-norbornene-2,2)-1,5,7,11 -tetraoxaspiro[5,5]undecane (NSOC). The volume changes of an epoxy resin copolymerized with various amounts of NSOC during cure was measured with a dilatometer. The epoxy copolymer giving zero shrinkage was an epoxy resin with a E51:NSOC ratio equivalent to 5.88∶1. This epoxy resin copolymer with zero shrinkage has been used as an adhesive to join the optical parts of a large optical telescope.

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Pingsheng, H., Zhiqiang, Z., Caiyuan, P. et al. An epoxy resin copolymer with zero shrinkage. J Mater Sci 24, 1528–1532 (1989). https://doi.org/10.1007/BF01105666

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  • DOI: https://doi.org/10.1007/BF01105666

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