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Studies of poly(vinyl chloride)/solution chlorinated polyethylene blends by inverse gas chromatography

✍ Scribed by C.P. Doubé; D.J. Walsh

Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
690 KB
Volume
17
Category
Article
ISSN
0014-3057

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✦ Synopsis

Abstraei The interactions between two polymers, poly(vinyl chloride) and solution chlorinated polyethylene, with a series of solvents have been studied using inverse gas chromatography. Values of the interaction parameters show the importance of specific interactions in these systems. From these values and studies of polymer mixtures, values of the polymer polymer interaction parameter have been calculated. The values were small in agreement with values of the heat of demixing of the two polymers reported previously.

Measurements using PTFE and kaolin as the substrate for these polymers show the importance of the substrate. Results suggest that the pore structure of PTFE leads to problems in obtaining reliable results.

By making measurements for the mixed polymer system over a range of temperatures, it has been found possible to detect the temperature of phase separation. The phase diagram obtained agrees well with results reported previously.

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