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Evaluation of the effects of biobased plasticizers on the thermal and mechanical properties of poly(vinyl chloride)
- Source :
- Journal of Applied Polymer Science. 102:1366-1373
- Publication Year :
- 2006
- Publisher :
- Wiley, 2006.
-
Abstract
- Blends were prepared of poly(vinyl chloride) (PVC) with four different plasticizers; esters of aconitic, citric, and phthalic acids; and other ingredients used in commercial flexible PVC products. The thermal and mechanical properties of the fresh products and of the products after 6 months of aging were measured. Young's modulus of the PVC blends was reduced about 10-fold by an increase in the plasticizer level from 15 to 30 phr from the semirigid to the flexible range according to the ASTM classification, but a 40-phr level was required for PVC to retain its flexibility beyond 6 months. At the 40-phr level, tributyl aconitate performed better than diisononyl phthalate (DINP) or tributyl citrate, in terms of lowering Young's modulus, both in the fresh materials and those aged for 6 months. The effects of the four plasticizers on the glass-transition temperature (Tg) were similar, with Tg close to ambient temperature at the 30- and 40-phr levels in freshly prepared samples and at 40–60°C in those aged for 6 months. The thermal stability of the PVC plasticized with DINP was superior among the group. Overall, tributyl aconitate appeared to be a good candidate for use in consumer products where the alleged toxicity of DINP may be an issue. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 102: 1366–1373, 2006
- Subjects :
- Diisononyl phthalate
Materials science
Polymers and Plastics
Plasticizer
General Chemistry
Vinyl chloride
Surfaces, Coatings and Films
Poly vinyl chloride
chemistry.chemical_compound
Phthalic acid
chemistry
Materials Chemistry
Organic chemistry
Tributyl citrate
Thermal stability
Nuclear chemistry
Subjects
Details
- ISSN :
- 10974628 and 00218995
- Volume :
- 102
- Database :
- OpenAIRE
- Journal :
- Journal of Applied Polymer Science
- Accession number :
- edsair.doi...........8d00599b2a74394f3c3caac592800856