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Curing and properties comparison of an unsaturated polyester resin, varying crosslinking reaction conditions

机译：不同交联反应条件下不饱和聚酯树脂的固化和性能比较

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In this work four different curing modes were used to crosslink a general-purpose unsaturated polyester resin. Styrene was used as monomer and glass fiber mat as reinforcement. The four curing modes included a traditional convection oven, a long-wavelength infrared (IR) radiation oven, a medium-wavelength IR radiation oven, or room temperature for an open-curing condition without oven heating. Some samples were cured using initiator only, and others were cured combining initiator and promoter. For oven curing, chamber temperature was 85degreesC. For the samples, final curing conversion (using Fourier transform IR spectroscopy), as well as glass transition temperature (T-g), Young's modulus, impact strength, and Shore D hardness were measured and compared. The medium-wavelength IR radiation oven as curing condition offered the best option for highest conversion, Tg, and mechanical properties. Polym. Compos. 25:662 666, 2004. (C) 2004 Society of Plastics Engineers.
机译：在这项工作中，使用了四种不同的固化模式来交联通用的不饱和聚酯树脂。苯乙烯用作单体，玻璃纤维毡用作增强材料。四种固化模式包括传统的对流烘箱，长波红外（IR）辐射烘箱，中波长红外辐射烘箱，或在不使用烘箱加热的情况下进行开放固化的室温。一些样品仅使用引发剂固化，而其他样品则结合使用引发剂和促进剂进行固化。对于烘箱固化，腔室温度为85℃。对于样品，测量并比较了最终固化转化率（使用傅里叶变换红外光谱法）以及玻璃化转变温度（T-g），杨氏模量，冲击强度和肖氏D硬度。中波长红外辐射烘箱作为固化条件为实现最高的转化率，Tg和机械性能提供了最佳选择。 Polym。 Compos。 25：662 666，2004。（C）2004年塑料工程师学会。

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