Paper Title:
Preparation of Core/Shell Composite Latex Particles and Toughening Modification for Polyamide 6
  Abstract

In this paper, a novel poly(butyl methacry1ate)/poly(methyl methacrylate-itaconic acid)(PBA/P(MMA-ITA)) latex particles with core/shell structure (CSR) was synthesized by the method of pre-emulsion semi-continuous seeded emulsion polymerization. The core/shell structure of CSR was characterized by TEM and confirmed that the average size of CSR particles was about 330 nm and that of PBA core was about 290 nm. The polyamide 6 (PA 6)/CSR blends (N/CSR) were prepared by the melt-blending technique, and its impact strength reached 40kJ•m-2 (more than 7 times higher than neat PA 6) when the ITA dosage was in the range of 4%~10%. The results of SEM showed that the high toughness of N/CSR blends was the result of the shear deformation of PA 6 matrix induced by cavitation of dispersed phase CSR.

  Info
Periodical
Advanced Materials Research (Volumes 79-82)
Edited by
Yansheng Yin and Xin Wang
Pages
2103-2106
DOI
10.4028/www.scientific.net/AMR.79-82.2103
Citation
X. J. Liu, H. P. Li, F. Li, R. X. Tian, Q. Li, "Preparation of Core/Shell Composite Latex Particles and Toughening Modification for Polyamide 6", Advanced Materials Research, Vols. 79-82, pp. 2103-2106, 2009
Online since
August 2009
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$32.00
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