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Title: Methods for reducing volatile organic content in fabric waterproof coatings. Final report, May--November 1993

Abstract

Fabrics for rainwear and outdoor equipment traditionally have been rendered waterproof by coating with solvent-borne rubber solutions, solvent-borne polyurethanes and vinyl plastisols. Regulatory pressure for environmental protection and worker safety has become a potent driving force in eliminating volatile organic solvents and toxic additives from commercial coating products. A variety of low-solvent coating technologies are being introduced to replace the traditional solvent-based products. These include high solids formulation, solventless UV and electron beam curing systems, powder coatings and supercritical, CO{sub 2}-reduced paints. The benefits and limitations of these coating technologies were compared with respect to their applicability to fabric waterproofing. In addition, a novel acrylated surfactant was synthesized and employed in the formulation of UV-curing waterborne coatings for textile waterproofing. The application methods and cure characteristics of the solvent-free formulations are described. Physical properties of cured coating films including tensile strength, percent elongation, water absorption, water drop contact angle, and adhesion to common fabrics were measured and compared to those obtained using a commercial waterborne waterproofing system. One formulation produced cured films having low water absorption, tenacious adhesion to polyester fabric and surface hydrophobicity properties approaching those of polyethylene.

Authors:
;
Publication Date:
Research Org.:
Cape Cod Research, Inc., East Falmouth, MA (United States)
OSTI Identifier:
350454
Report Number(s):
AD-A-359280/XAB
CNN: Contract DAAK60-93-C-0037; TRN: 91170479
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: Mar 1994
Country of Publication:
United States
Language:
English
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; 54 ENVIRONMENTAL SCIENCES; TEXTILE INDUSTRY; AIR POLLUTION CONTROL; ORGANIC SOLVENTS; VOLATILE MATTER; WATERPROOFING; PROTECTIVE CLOTHING; PROTECTIVE COATINGS; CURING; MATERIAL SUBSTITUTION

Citation Formats

Keohan, F.L., and Lazaro, E. Methods for reducing volatile organic content in fabric waterproof coatings. Final report, May--November 1993. United States: N. p., 1994. Web.
Keohan, F.L., & Lazaro, E. Methods for reducing volatile organic content in fabric waterproof coatings. Final report, May--November 1993. United States.
Keohan, F.L., and Lazaro, E. Tue . "Methods for reducing volatile organic content in fabric waterproof coatings. Final report, May--November 1993". United States.
@article{osti_350454,
title = {Methods for reducing volatile organic content in fabric waterproof coatings. Final report, May--November 1993},
author = {Keohan, F.L. and Lazaro, E.},
abstractNote = {Fabrics for rainwear and outdoor equipment traditionally have been rendered waterproof by coating with solvent-borne rubber solutions, solvent-borne polyurethanes and vinyl plastisols. Regulatory pressure for environmental protection and worker safety has become a potent driving force in eliminating volatile organic solvents and toxic additives from commercial coating products. A variety of low-solvent coating technologies are being introduced to replace the traditional solvent-based products. These include high solids formulation, solventless UV and electron beam curing systems, powder coatings and supercritical, CO{sub 2}-reduced paints. The benefits and limitations of these coating technologies were compared with respect to their applicability to fabric waterproofing. In addition, a novel acrylated surfactant was synthesized and employed in the formulation of UV-curing waterborne coatings for textile waterproofing. The application methods and cure characteristics of the solvent-free formulations are described. Physical properties of cured coating films including tensile strength, percent elongation, water absorption, water drop contact angle, and adhesion to common fabrics were measured and compared to those obtained using a commercial waterborne waterproofing system. One formulation produced cured films having low water absorption, tenacious adhesion to polyester fabric and surface hydrophobicity properties approaching those of polyethylene.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1994},
month = {3}
}

Technical Report:
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