ASSOCIATION OF ETHYLENE—VINYL ACETATE COPOLYMER IN DILUTE SOLUTIONS Ⅲ. CRITICAL ASSOCIATION CONCENTRATION*
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ASSOCIATION OF ETHYLENE—VINYL ACETATE COPOLYMER IN DILUTE SOLUTIONS Ⅲ. CRITICAL ASSOCIATION CONCENTRATION*
Vol. 16, Issue 4, Pages: 327-331(1998)
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Published:20 December 1998
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Qian Jinwen, Li Jing, Yang Yunsong, et al. ASSOCIATION OF ETHYLENE—VINYL ACETATE COPOLYMER IN DILUTE SOLUTIONS Ⅲ. CRITICAL ASSOCIATION CONCENTRATION*[J]. 1998, 16(4): 327-331.
DOI:
Qian Jinwen, Li Jing, Yang Yunsong, et al. ASSOCIATION OF ETHYLENE—VINYL ACETATE COPOLYMER IN DILUTE SOLUTIONS Ⅲ. CRITICAL ASSOCIATION CONCENTRATION*[J]. 1998, 16(4): 327-331.DOI:
ASSOCIATION OF ETHYLENE—VINYL ACETATE COPOLYMER IN DILUTE SOLUTIONS Ⅲ. CRITICAL ASSOCIATION CONCENTRATION*
Association behavior of ethylene vinyl acetate (EVA) copolymer in foursolvents 1
2-dichloroethane (DCE)
cyclohexane (CYH)
xylene (XYL) and chloroform(CF) has been investigated by dilute solution viscometry The critical association concen-tration (CA) was determined at which the incipient decrease in slope of the ηsp/C~ Ccurve in solutions at the dilute regime. Our results showed that whether the CA couldexist depends on solvent property. The values of CA in DCE increase with increasing
of temperature and vinyl acetate(VA) content in EVA and decreasing of molecular weight of EVA.
Abstract
Association behavior of ethylene vinyl acetate (EVA) copolymer in foursolvents 1
2-dichloroethane (DCE)
cyclohexane (CYH)
xylene (XYL) and chloroform(CF) has been investigated by dilute solution viscometry The critical association concen-tration (CA) was determined at which the incipient decrease in slope of the ηsp/C~ Ccurve in solutions at the dilute regime. Our results showed that whether the CA couldexist depends on solvent property. The values of CA in DCE increase with increasing
of temperature and vinyl acetate(VA) content in EVA and decreasing of molecular weight of EVA.
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