Polyester resin impregnating agent
A technology of polyester resin and sizing agent, which is applied in the field of glass fiber enterprises and polyester resin sizing agents. It can solve the problems of poor stiffness, tensile strength and flexural strength, styrene solubility, etc., and achieve strong solubility, feeding and temperature. Improved control accuracy and reasonable structure
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[0010] Example 1
[0011] It is prepared from the following raw materials in parts by weight ratio: dicyclopentanediol: neopentyl glycol: trimethylolpropane: dimethylolpropionic acid: tetrafluorophthalic anhydride=150:130:148:163:90.
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[0012] Example 2
[0013] It is prepared from the following raw materials according to parts by weight ratio: dicyclopentanediol: neopentyl glycol: trimethylolpropane: dimethylolpropionic acid: tetrafluorophthalic anhydride=100:90:90:120:70.
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[0014] Example 3
[0015] It is prepared from the following raw materials in a weight ratio: dicyclopentanediol: neopentyl glycol: trimethylolpropane: dimethylolpropionic acid: tetrafluorophthalic anhydride=200:180:200:200:160.
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