𝔖 Bobbio Scriptorium
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Polymerization and processability of poly(vinyl chloride),

✍ Scribed by Deanin, Rudolph D. ;Somers, Roger E.

Publisher
Wiley (John Wiley & Sons)
Year
1970
Tongue
English
Weight
233 KB
Volume
8
Category
Article
ISSN
0449-296X

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✦ Synopsis

Abstract

The processability of rigid poly(vinyl chloride) can be improved by adding trichloroethylene as chain‐transfer agent, increasing the polymerization temperature, and especially by combining the two effects together. The resulting synergistic interaction is best expressed by an equation of the form, P = (A + B[TCE])e^C/T^, where P is thermal plasticity, Ae^C/T^ is the combined effect of chain transfer to initiator and monomer and termination through combination and disproportionation, and B[TCE]e^C/T^ represents the chain‐transfer action of trichloroethylene.

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## Abstract The effect of degree of polymerization (DP) on the gelation and flow processability of poly(vinyl chloride) (PVC) was studied. Sheets with adjusted degree of gelation were prepared by rolling rigid pipe formulation suspension PVC compounds with DPs of 800, 1050 and 1300 by changing the