Volume no :6, Issue no: -1, July and October (2012)

WATERBORNE POLYURETHANE-ACRYLIC HYBRID POLYMER BASED ON PTMEG: PHYSICAL AND MECHANICAL PROPERTIES

Author's: DONGYA YANG, FEIYAN YE, XINSHAN RONG and FENGXIAN QIU
Pages: [19] - [28]
Received Date: June 13, 2012
Submitted by:

Abstract

A series of waterborne polyurethane-acrylic (PUA) hybrid dispersions, with potential use as adhesives and coatings, derived from polytetrahydrofuran glycol (PTMEG) were prepared. The influence of the NCO/OH ratio and DMPA content on the properties of both the PUA aqueous dispersions and their films were evaluated. The structures and some mechanical performances of the PUA films were employed with FT-IR and mechanical measurements. The experimental data demonstrated a non-linear relationship between the properties of the obtained products and the NCO/OH ratio and the DMPA content. When the DMPA content was up to the PUA achieved the minimum particle size of 8.2nm and maximum tension strength of 2.53MPa, respectively.

Keywords

polyurethane-acrylic, dispersion, in-situ polymerization, mechanical property.