Non-aromatic nucleus structure poly-hexahydrobenzene phthalic anhydride dihydric alcohol ester plasticizer and preparation method thereof

Abstract

The invention relates to non-aromatic nucleus structure poly-hexahydrobenzene phthalic anhydride dihydric alcohol ester plasticizer and a preparation method thereof, belonging to the technical field of the synthesis of low molecular weight polyester compounds of fine chemicals. The invention is prepared by esterifying and polymerizing hexahydrobenzene with dihydric alcohol and n-butyl alcohol with the existing of homogeneous phase composite complex catalyst tetrabutyl titanate or tetraisopropyl titanate catalyst under 140-200 DEG C. The invention meets the requirements of energy conservation and cleaner production, and the prepared product of poly-hexahydrobenzene phthalic anhydride dihydric alcohol ester plasticizer is a novel polyester plasticizer with the characteristics of good compatibility with high polymer material and anti-migratory performance; the polyester plasticizer has the excellent characteristics of good resist-extraction performance, light color, good thermostability and fundamental innocuous performance; the invention is particularly suitable for environmental protection polyvinyl chloride (PVC) plastic product, medical plastic, refrigerator sealing strip, environmental protection PVC cable sheath and can be used as environmental protection assist agent of functional high polymer material for meeting the requirements of oil resistance and anti-migratory performance.

Description

technical field [0001] A polyhexahydrophthalic anhydride glycol ester plasticizer and a preparation method thereof, wherein a polyester plasticizer with migration resistance and excellent compatibility with PVC materials is synthesized by reacting a non-aromatic ring structure dibasic acid with a polyhydric alcohol and its preparation method Preparation. It relates to the technical field of synthesis of low molecular weight polyester compounds of fine chemicals. Specifically, it relates to a polyhexahydrophthalic anhydride glycol ester compound with good solvent extraction resistance, light product color, good thermal stability, environmental protection and non-toxicity, which can be used as an environmentally friendly polyvinyl chloride (PVC) plastic product, Medical plastics, refrigerator sealing strips, environmentally friendly PVC cable sheaths and application additives for functional polymer materials that require oil resistance and migration resistance. Background tec...

AI Technical Summary

Problems solved by technology

[0005] Due to the controversy over the toxicity of phthalate plasticizers, the application of many traditional phthalate plasticizers has been limited. For example, studies have shown that phthalate plasticizers such as DOP and DBP Plasticizers may have a potential carcinogenic risk, mainly because the molecular structure contains phthalic acid diesters, and the benzene ring in the structure may cause cancer. The possibility of carcinogenicity has become the focus of controversy. Many countries have adopted corresponding restrictive measures. The US Food and Drug Administration The Administration (FDA), the European Union, etc. have banned the use of such plasticizers in food packaging, cosmetics, and children's toys that are in close contact with the human body.

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