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Rheology modification of PVC plastisols with poly(butylene terephthalate)-b-poly(tetramethylene glycol)

โœ Scribed by Xia Wang; Yunzhao Yu


Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
136 KB
Volume
66
Category
Article
ISSN
0021-8995

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โœฆ Synopsis


A few percent of poly(butylene)-b-poly(tetramethylene glycol) was able to turn a liquid plasticizer into a gel, and thus imparted yield stresses to the fluid. When the plasticizer contained as little as 2.5 wt % of the block copolymer, sag free plastisols were obtained. A reduction in tensile strength was found for the modified plastisols, while the elongation was not affected.


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