期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 5, 期 8, 页码 6665-6673出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.7b00900
关键词
Cardanol; Polyvinyl chloride; Manihi reaction; Plasticization; Glass transition temperature
资金
- Fundamental Research Funds from Jiangsu Province Biomass and Materials Laboratory [JSBEM-S-2017010]
- National Natural Science Foundation of China [31670578, 31670577]
- Natural Science Foundation of Jiangsu Province of China [BK20150072]
The internally plasticized PVC materials by displacement of chlorine with mannich base of cardanol butyl ether, that is, the covalent attachment of the cardanol-based internal plasticizer to the PVC matrix, is descried for the first time. The chemical structure and properties of cardanol-based internal plasticizer and internally plasticized PVC materials was characterized. The results showed that the T-g of self-plasticization PVC material decreased from 85.6 to 49.3 degrees C when chlorine atoms in PVC were substituted with mannich base of cardanol butyl ether, tensile strength decreased from 30.33 to 18.86 MPa, and the elongation at break increased from 180.37% to 357.20%, which illustrated that mannich base of cardanol butyl ether played internally plasticized effect on PVC. The internal plasticization mechanism was also studied. Self-plasticization PVC films showed no migration in n-hexane, but 15.7% of DOP leached from the DOP/PVC system into n-hexane. The PVC materials were expected to be commercial application in producing food packing, toys, and medical devices with high requirements in migration resistance.
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