用二环戊二烯，顺丁烯二酸和乙二醇合成不饱和聚酯，这种不饱和聚酯既可浇铸，也可以在空气中固化。
An unsaturated polyester resin was synthesized from dicyclopentadiene, maleic acid and ethylene glycol. This resin can be moulded by casting and also can be hardened in air.
用二环戊二烯，顺丁烯二酸和乙二醇合成不饱和聚酯，这种不饱和聚酯既可浇铸，也可以在空气中固化。
An unsaturated polyester resin was synthesized from dicyclopentadiene maleic acid and ethylene glycol. this resin can be moulded by casting and also can be hardened in air.
用二环戊二烯，顺丁烯二酸和乙二醇合成不饱和聚酯，这种不饱和聚酯既可浇铸，也可以在空气中固化。
An unsaturated polyester resin was synthesized from dicyclopentadiene maleic acid and ethylene glycol. this resin can be moulded by casting and also can be hardened in air.
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