COMPOSITION AND RHEOLOGY OF POLYAMIDE-6 OBTAINED BY USING BI- AND TRI-FUNCTIONAL COUPLING AGENTS

J.J.M. Slot; E. van Ruymbeke; P.A.M. Steeman

doi:10.1007/s10118-013-1214-y

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COMPOSITION AND RHEOLOGY OF POLYAMIDE-6 OBTAINED BY USING BI- AND TRI-FUNCTIONAL COUPLING AGENTS

Special Issue: The 10th International Symposium on Polymer Physics (2012) | Updated：2023-01-03

- COMPOSITION AND RHEOLOGY OF POLYAMIDE-6 OBTAINED BY USING BI- AND TRI-FUNCTIONAL COUPLING AGENTS
- Chinese Journal of Polymer Science Vol. 31, Issue 1, Pages: 58-70(2013)
- Affiliations：
  
  a.Materials Science Centre, DSM Research, Geleen, The Netherlands
  b.Department of Mathematics and Computer Science, Eindhoven University of Technology, Eindhoven, The Netherlands
- Author bio：
  
  *J.J.M. Slot, E-mail: han.slot@dsm.com
- Funds：
- DOI：10.1007/s10118-013-1214-y
  CLC：
- Received：24 September 2012，
  
  Revised：2012-10-09，
  
  Accepted：10 October 2012，
  
  Published：2013-01
- Accepted：
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J.J.M. Slot, E. van Ruymbeke, P.A.M. Steeman. COMPOSITION AND RHEOLOGY OF POLYAMIDE-6 OBTAINED BY USING BI- AND TRI-FUNCTIONAL COUPLING AGENTS[J]. Chinese Journal of Polymer Science, 2013, 31(1): 58-70.
DOI：

J.J.M. Slot, E. van Ruymbeke, P.A.M. Steeman. COMPOSITION AND RHEOLOGY OF POLYAMIDE-6 OBTAINED BY USING BI- AND TRI-FUNCTIONAL COUPLING AGENTS[J]. Chinese Journal of Polymer Science, 2013, 31(1): 58-70. DOI： 10.1007/s10118-013-1214-y.

摘要

Abstract

A statistical approach is developed

based on a Monte Carlo method

in order to determine the statistical composition of a polyamide-6 sample composed of caprolactam (an AB-type monomer) and of a di-acid (A

type) or a triacid (A

type) as coupling agents. For this composition

the linear rheological behavior of these systems is predicted using a tube-based theory. This allows us to show that while coupling agents of type A

can be seen as flow improver

the effect of branching agents of type A

depending on the synthesis recipe and the conversion level

can lead either to an increase or to a decrease of the viscosity. By adding specific amount of these agents

we also show that it is possible to obtain materials with the same zero-shear viscosity but with different shear thinning behavior. Furthermore

the polydispersity of linear samples of the same average number molecular weight

is disc

ussed in function of the amount of A

monomers they contain. Ranging from 2 to 1.5

this difference in polydispersity is expected to have a significant influence on the processing behavior of such materials.

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