Poly(styrene/hydroxypropyl methylcellulose phthalate) latex particles prepared by resin-fortified emulsion polymerization

Jung Min Lee, Ji Eun Cho, Jung Hyun Kim, Heui Kyoung Cho, In Woo Cheong

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Cellulose is a natural and biodegradable polymer with abundant hydroxyl groups, which can be utilized as functional moieties in the various chemical modification of cellulose polymer. Among the cellulose derivatives, hydroxypropyl methylcellulose phthalate (HPMCP) has both hydroxyl and carboxyl groups. It could be dissolved into water phase to form aggregates, like micelles, under basic conditions. In this study, a reactive HPMCP, which has carbon double bonds, was synthesized using a stepwise reaction with isophorone diisocyanate (IPDI) and 2-hydroxyethyl methacrylate (HEMA). It was used as both a counter-polymer and a reactive surfactant in the emulsion polymerization of styrene. For comparison, the emulsion polymerizations of styrene with pristine HPMCP and reactive HPMCP were carried out under the same polymerization condition. Reactive HPMCP is a sort of surface active macro-monomer; thus, it can grow polystyrene polymeric radicals on its backbone. Due to the presence of carbon double bonds in the reactive HPMCP, two kinds of HPMCP-modified polystyrene latex particles showed significant differences in the particle size evolution, latex viscosity, particle morphology, and thermal properties.

Original languageEnglish
Pages (from-to)35-44
Number of pages10
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Issue number1-3
Publication statusPublished - 2007 Oct 15

Bibliographical note

Funding Information:
This research was supported by Ministry of Commerce, Industry and Energy (MOCIE) through the project of NGNT (Nos. 10023135-2005-11 and 10024160-2006-12).

All Science Journal Classification (ASJC) codes

  • Surfaces and Interfaces
  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry


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