A water-soluble acrylate/sulfonate copolymer. I. its synthesis and dispersing ability on cement

Yi Shian Ye, Hung Lung Huang, Kung-Chung Hsu

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

A new water-soluble methacrylate/2-acrylamido-2-methylpropane sulfonate copolymer (PMAMP) was synthesized and evaluated as a dispersion agent for cement particles. PMAMP was prepared from methacrylic acid and 2-acrylamido-2- methylpropane sulfonic acid (AMP). The structure of the prepared polymer was verified by its NMR and IR spectra. The dispersing properties of PMAMP were evaluated by a minislump test on cement pastes. The test results indicated that this copolymer could disperse the cement particles and improve the minislump of cement pastes. Compared with a commercial superplasticizer (sulfonated naphthalene formaldehyde condensates), PMAMP performed better in enhancing the fluidity of the cement pastes. The polymer with about 40-50% AMP and a weight-average molecular weight of about 5 × 104 was most effective in dispersing cement particles and promoting the fluidity of cement pastes. Nevertheless, PMAMP with a higher AMP content or a higher molecular weight appeared to cause less slump loss. This was related to the interaction of this admixture with the cement particles and its adsorption behavior onto the cement particles.

Original languageEnglish
Pages (from-to)2490-2496
Number of pages7
JournalJournal of Applied Polymer Science
Volume100
Issue number3
DOIs
Publication statusPublished - 2006 May 5

Fingerprint

Cements
Copolymers
Water
Ointments
Adenosine Monophosphate
Fluidity
Polymers
Molecular weight
acrylic acid
Sulfonic Acids
Methacrylates
Acids
Naphthalene
Formaldehyde
Nuclear magnetic resonance
Adsorption

Keywords

  • Dispersion
  • Synthesis
  • Water-soluble polymers

ASJC Scopus subject areas

  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Materials Chemistry

Cite this

A water-soluble acrylate/sulfonate copolymer. I. its synthesis and dispersing ability on cement. / Ye, Yi Shian; Huang, Hung Lung; Hsu, Kung-Chung.

In: Journal of Applied Polymer Science, Vol. 100, No. 3, 05.05.2006, p. 2490-2496.

Research output: Contribution to journalArticle

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