Polyester resins are unsaturated, cross-linked polymers which are made thermosetting by use of a peroxide-type catalyst.
聚酯树脂是交联的不饱和聚合物，用过氧化物类催化剂可制成热固性树脂。
Polyester resins are unsaturated, cross-linked polymers which are made thermosetting by use of a peroxide-type catalyst.
聚酯树脂是交联的不饱和聚合物，用过氧化物类催化剂可制成热固性树脂。
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