The polyester in these compositions is a 50% solution of a maleic acid-prophlene glycol condensate in diallyl phthalate . 在这些配方中的聚酯是马来酸--丙二醇缩合物在酞酸二烯丙酯中的50溶液。
2.
The polyester in these compositions is a 50 % solution of a maleic acid - prophlene glycol condensate in diallyl phthalate 在这些配方中的聚酯是马来酸- -丙二醇缩合物在酞酸二烯丙酯中的50溶液。