期刊
POLYMER BULLETIN
卷 65, 期 6, 页码 589-598出版社
SPRINGER
DOI: 10.1007/s00289-010-0271-4
关键词
PVC; Succinate; Plasticizer; Biobased
资金
- Central Michigan University
Phthalates pose adverse health effects due to their propensity to leach and the most common, di(2-ethylhexyl) phthalate (DEHP) and di-n-octyl phthalate (DOP), are petroleum-based. Conversely, di-esters, succinates are biobased (produced from fermentation of biomass), biodegradable, and therefore potential sustainable replacements for phthalates. A series of succinates, di-octyl succinate (DOS), di-hexyl succinate (DHS), di-butyl succinate (DBS), and di-ethyl succinate (DES), were mixed with poly(vinyl chloride) (PVC). The interaction of the plasticizer ester carbonyl with PVC shows an average -5 cm(-1) shift of the carbonyl absorbance peak energy. The glass transition temperatures (T (g)), were monitored by differential scanning calorimetry and dynamic mechanical analyses. The T (g)s of DOS and DHS plasticized PVC were significantly lower than DOP plasticized PVC at a lower percent mass. On the other hand, PVC plasticized with either DBS or DES exhibited a similar trend in lowering the T (g) as that of DOP plasticized PVC.
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