Design of polymer blend rheology - III. Effect of maleic anhydride containing copolymers on the melt viscosity of polyamides

R. Vankan, P. Degée, Robert Jérôme, P. Teyssié

Research output: Contribution to journalArticle

Abstract

Addition of small amounts of maleic anhydride containing copolymers remarkably increases the melt viscosity of the m x D,6 polyamides (PA). Random copolymers of styrene and maleic anhydride, P(S-co-MA), have been melt blended with PA in a ratio ranging from 0.5 to 5 wt%. A linear dependence has been observed for the blend viscosity on the molar ratio of the maleic anhydride subunits in the copolymer and the amino end-groups of PA. This linear relationship holds even for blends containing a molar excess of anhydride compared to amine. These rheological effects are of prime importance for the highly desirable control of the PA processing.

Original languageEnglish
Pages (from-to)221-228
Number of pages8
JournalPolymer Bulletin
Volume33
Issue number2
DOIs
Publication statusPublished - 1 Jul 1994
Externally publishedYes

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Maleic Anhydrides
polymer blends
Nylons
Maleic anhydride
Polymer blends
anhydrides
Rheology
Polyamides
rheology
copolymers
Copolymers
Viscosity
viscosity
Anhydrides
Amines
styrenes
Styrene
amines
Processing

Cite this

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abstract = "Addition of small amounts of maleic anhydride containing copolymers remarkably increases the melt viscosity of the m x D,6 polyamides (PA). Random copolymers of styrene and maleic anhydride, P(S-co-MA), have been melt blended with PA in a ratio ranging from 0.5 to 5 wt{\%}. A linear dependence has been observed for the blend viscosity on the molar ratio of the maleic anhydride subunits in the copolymer and the amino end-groups of PA. This linear relationship holds even for blends containing a molar excess of anhydride compared to amine. These rheological effects are of prime importance for the highly desirable control of the PA processing.",
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Design of polymer blend rheology - III. Effect of maleic anhydride containing copolymers on the melt viscosity of polyamides. / Vankan, R.; Degée, P.; Jérôme, Robert; Teyssié, P.

In: Polymer Bulletin, Vol. 33, No. 2, 01.07.1994, p. 221-228.

Research output: Contribution to journalArticle

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