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Glass fiber-reinforced oxymethylene polymer molding compositions having mechanical properties enhanced by amino-formaldehyde resin coupling agents
Glass fiber-reinforced oxymethylene polymer molding compositions having mechanical properties enhanced by amino-formaldehyde resin coupling agents
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机译:具有通过氨基甲醛树脂偶联剂增强的机械性能的玻璃纤维增强的甲醛聚合物模塑组合物
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摘要
Mechanical properties, especially tensile and flexural properties and impact strength, of glass fiber reinforced oxymethylene polymer molding compositions can be enhanced by incorporating into the molding composition an effective amount of a prepolymeric amino resin, whereby the glass fiber reinforcing agent and the oxymethylene polymer are coupled. The amino resin can be a condensation product of formaldehyde and melamine, urea, guanidine, guanamine or a substituted guanamine. An acid catalyst is preferably employed to promote the cross- linking of the prepolymeric amino resin.
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