Hardening condition of unsaturated polyether from alcoholysis products of secondary polyethylene terephthalate

The technological parameters of the curing of unsaturated polyesters synthesized on the basis of alcoholysis products of secondary polyethylene terephthalate and used in the production of fiberglass pipes have been studied. It is shown that unsaturated polyesters synthesized on the basis of alcoholysis products can completely substitute imported resins of 196 and 196A grades in the production of fi berglass pipes.

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