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首页> 外文期刊>Journal of Applied Polymer Science >Effect of poly(vinyl chloride) resin type in the preparation process of slush powder
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Effect of poly(vinyl chloride) resin type in the preparation process of slush powder

机译：聚氯乙烯树脂类型在搪瓷粉制备过程中的作用

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During the preparation of the poly(vinyl chloride) (PVC) slush powder, we found that PVC resins obtained by different polymerization methods affected many properties of slush powder and its products. Two types of commercial PVC resins were used for slush powder preparation: mass poly(vinyl chloride) (M-PVC) and suspension poly(vinyl chloride) (S-PVC). We used the Haake rheomix test to characterize the absorption of plasticizers into PVC resins, and the results showed that M-PVC absorbed the plasticizers more quickly than S-PVC. The fusion behavior of the two slush powders was studied by the thermal plate test and Haake rheomix test, and the results showed that the slush powder of M-PVC was easier to fuse than that of S-PVC. The different properties of the two resins and slush powder could be explained by the morphology, average size, and size distribution. Due to the "skin" of the particles' surfaces, the wider size distribution, and the large size of particles, S-PVC absorbed the plasticizers more slowly and was more difficult to fuse. (C) 2002 Wiley Periodicals, Inc. [References: 6]
机译：在制备聚氯乙烯（PVC）搪塑粉的过程中，我们发现通过不同聚合方法制得的PVC树脂会影响搪塑粉及其产品的许多性能。有两种类型的市售PVC树脂用于制备搪瓷粉：块状聚氯乙烯（M-PVC）和悬浮聚氯乙烯（S-PVC）。我们使用Haake rheomix测试来表征增塑剂在PVC树脂中的吸收，结果表明M-PVC比S-PVC更快地吸收了增塑剂。通过热板试验和Haake rheomix试验研究了两种搪瓷粉的熔融行为，结果表明，M-PVC的搪瓷粉比S-PVC更易于熔融。两种树脂和泥浆粉末的不同性质可以通过形态，平均尺寸和尺寸分布来解释。由于颗粒表面的“表皮”，较宽的尺寸分布和较大的颗粒尺寸，S-PVC吸收增塑剂的速度更慢，更难以熔合。 （C）2002 Wiley Periodicals，Inc. [参考：6]

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