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首页> 外文期刊>Journal of Applied Polymer Science >Oligomeric isosorbide esters as alternative renewable resource plasticizers for PVC
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Oligomeric isosorbide esters as alternative renewable resource plasticizers for PVC

机译：寡聚异山梨酯可替代PVC的可再生资源增塑剂

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摘要

Oligo(isosorbide adipate) (OSA), oligo(isosorbide suberate) (OSS), and isosorbide dihexanoate (SDH) were synthesized and evaluated as renewable resource alternatives to traditional phthalate plasticizers. The structure of the synthesized oligomers was confirmed by nuclear magnetic resonance spectroscopy (~1H- and ~(13)C-NMR), and molecular weight was determined by size exclusion chromatograph. The plasticizers were blended with poly(vinyl chloride) (PVC), and the miscibility and properties of the blends were evaluated by differential scanning calorimetry, fourier transform infrared spectroscopy, tensile testing, and thermogravimetry. Especially the blends plasticized with SDH had almost identical properties with PVC/diisooctyl phthalate (DIOP) blends. The blends containing OSA and OSS plasticizers, based on dicarboxylic acids, had somewhat lower strain at break but higher stress at break and better thermal stability compared to the PVC/DIOP or PVC/SDH blends. All the synthesized isosorbide plasticizers showed potential as alternative PVC plasticizers.
机译：合成了寡聚己二酸异山梨酯（OSA），辛二酸异山梨醇酯（OSS）和二己酸异山梨酯二己酸酯（SDH），并评估了它们是传统邻苯二甲酸酯增塑剂的可再生资源替代品。通过核磁共振波谱（〜1H-和〜（13）C-NMR）确认合成的低聚物的结构，并通过尺寸排阻色谱法确定分子量。将增塑剂与聚氯乙烯（PVC）混合，并通过差示扫描量热法，傅立叶变换红外光谱，拉伸测试和热重分析法评估共混物的混溶性和性能。特别是用SDH增塑的共混物与PVC /邻苯二甲酸二异辛酯（DIOP）共混物几乎具有相同的性能。与PVC / DIOP或PVC / SDH共混物相比，含有基于二元羧酸的OSA和OSS增塑剂的共混物的断裂应变略低，但断裂应力较高，并且热稳定性更好。所有合成的异山梨醇酯增塑剂均具有替代PVC增塑剂的潜力。

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