Abstract
Waterborne polyurethane (WBPU) adhesives were prepared using poly(tetramethylene oxide glycol), 4,4-dicyclohexylmethane diisocyanate (H12MDI), hydrophilic agent dimethylol propionic acid and chain extender of 2,2,3,3-tetrafluoro-1,4-butanediol (TFBD), ethylene diamine (EDA), and 1,4-butanediol. All three chain extenders have been used as single and mixed (different ratio) content during synthesis, and the effect of chain extender and their content to the properties of tensile strength, Youngs modulus, water swelling (%), and adhesive strength was investigated. The adhesive strength value was higher using EDA as a single-chain extender; however, the potentiality of adhesive strength under water was improved using mixed-chain extenders of EDA and TFBD in WBPU adhesives. The maxima potentiality was observed with 6.31 mole% TFBD and 2.10 mole% EDA in WBPU adhesives.
| Original language | English |
|---|---|
| Pages (from-to) | 2592-2602 |
| Number of pages | 11 |
| Journal | Journal of Adhesion Science and Technology |
| Volume | 27 |
| Issue number | 23 |
| DOIs | |
| State | Published - 1 Dec 2013 |
Bibliographical note
Funding Information:This study was supported by Center of Research Excellence in Corrosion (CoRE-C), King Fahd University of Petroleum and Minerals (KFUPM) in the 2012 Summer Assignment program.
Keywords
- adhesive strength
- chain extender
- polyurethanes
- tensile strength
ASJC Scopus subject areas
- General Chemistry
- Mechanics of Materials
- Surfaces and Interfaces
- Surfaces, Coatings and Films
- Materials Chemistry
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