Paper Title:
Preparation of Self-Crosslinking Core-Shell Latex at Ambient Temperature
  Abstract

A reversible addition fragmentation chain transfer (RAFT) agent, 2- (dodecylthiocarbonothioylthio)propanoic acid (RAFT-1), was synthesized and characterized. Equimolar doses of acrylic acid (AA) and n-butyl acrylate were successively polymerized in the presence of RAFT-1 to give an amphiphilic macro RAFT agent (RAFT-2), which had a calculated average degree of polymerization of ten. Core-shell poly (butyl acrylate-co-diacetoneacrylamide) latex was prepared by using RAFT-2 as a reactive surfactant. The latex was narrowly distributed and very stable, which had a solid concentration as high as 45 wt.% and an average diameter of about 50 nm, Latex films were prepared with the core-shell emulsion and small amount of cross-linking agent, adipic dihydrazide. Results showed that cross-linking reaction occurred with the evaporation of water. The resulting cross-linked latex film was tough and transparent.

  Info
Periodical
Edited by
OUYANG Yun, XU Min and YANG Li
Pages
466-469
DOI
10.4028/www.scientific.net/AMR.174.466
Citation
T. W. Wang, S. Y. Zhang, Z. X. Li, J. L. Pu, "Preparation of Self-Crosslinking Core-Shell Latex at Ambient Temperature", Advanced Materials Research, Vol. 174, pp. 466-469, 2011
Online since
December 2010
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