Stock material or miscellaneous articles – Composite – Of polyamidoester
Patent
1997-06-05
1998-06-02
Gorr, Rachel
Stock material or miscellaneous articles
Composite
Of polyamidoester
4284258, 428440, 427333, 4273851, 4273884, 4274071, 427408, 427409, 427417, 427421, 427426, B32B 900
Patent
active
057596956
ABSTRACT:
Polyurea elastomer systems have improved adhesion to a substrate with the use of a primer that is applied first. The primer is composed of hydrophobic, primary hydroxyl-containing compound, for example, castor oil, and an isocyanate. It is not necessary to wait for the primer to cure prior to applying of the polyurea elastomer system. The primer system is particularly useful on wet substrates, where the primer penetrates the substrate prior to polyurea elastomer spraying. Regardless of whether the substrate is dry or wet, adhesion is improved.
REFERENCES:
patent: 5266671 (1993-11-01), Primeaux, II
patent: 5442034 (1995-08-01), Primeaux, II
"Water-based Primer--Sure Thing for Casino's Rooftop Pool," Tile World, Sep./Oct., 1990.
G. H. Brevoort, "Current Trends and Issues in Railcar Painting and Lining," Journal of Protective Coatings and Linings, Dec., 1991.
"Kraton Liquid.TM. L-1203 Polymer," Technical Bulletin, Shell Chemical Company, Feb., 1996.
"Kraton Liquid.TM. L-2203 Polymer," Technical Bulletin, Shell Chemical Company, Apr., 1996.
Gorr Rachel
Huntsman Petrochemical Corporation
Mossman David L.
Stolle Russell R.
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