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Crosslinking of PVC plastisols using a polyfunctional epoxy resin: synthesis and characterization

机译:使用多官能团环氧树脂交联PVC增塑溶胶的合成与表征

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摘要

PVC plastisols, crosslinked in the presence of a polyfunctional epoxy resin, were obtained via spread coating. It was possible to infer that the presence of an amine type accelerator, at least in the conditions used in this study, proved to be essential for crosslinking. The results of reticulation degree showed that gel formation only happened in samples where the amine type accelerator has been used concomitantly with the epoxy resin. The results of Young s modulus seem to confirm the hypothesis of formation of a three dimensional network between the molecules of PVC and epoxy resin, but it was not possible to confirm a chemical reaction between these two polymers because of the large number of molecules present in the formulation. Evidence that crosslinking actually occurred may come from more detailed studies and the use of complementary characterization techniques, which are underway.
机译:通过铺涂获得在多官能环氧树脂存在下交联的PVC增塑溶胶。可以推断,至少在本研究使用的条件下,胺型促进剂的存在对交联至关重要。网状度的结果表明,仅在胺型促进剂与环氧树脂同时使用的样品中发生凝胶形成。杨氏模量的结果似乎证实了在PVC和环氧树脂分子之间形成三维网络的假说,但由于存在大量分子,因此无法确定这两种聚合物之间的化学反应。配方。实际发生交联的证据可能来自进行中的更详细的研究和使用互补的表征技术。

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