Polymers having dual crosslinkable functionality and process for

Details Polymers having dual crosslinkable functionality and process for Polymers having dual crosslinkable functionality and process for

1999-03-30

2000-09-12

Cameron, Erma

Coating processes

With post-treatment of coating or coating material

Heating or drying

427392, 4273934, B05D 300

Patent

active

061174920

ABSTRACT:
This invention relates to polymers particularly suited for use in preparing high quality nonwoven products. The binders for the banquet incorporate at least two different but reactive functionalities and which are capable of reacting with two other multifunctional reactants each of which will react with at least one of the functionalities present in the polymer. The two functionalities copolymerized into these backbones include the acetoacetoxy moiety and a carboxylic acid group. The crosslinking is effected by adding a compound capable of reacting and crosslinking the acetoacetoxy moiety and another compound capable of reacting and crosslinking the carboxylic acid functionality. The former can be a dialdehyde such as glyoxal or glutaraldehyde. The second functionality is a polyaziridine functional compound such as N-aminoethyl-N-aziridilethylamine, N,N-bis-2-aminopropyl-N-aziridilethylamine, N-3,6,9-triazanonylaziridine, the bis and tris aziridines of di and tri acrylates of alkoxylated polyols, the trisaziridine of the triacrylate of the adduct of glycerine and propylene oxide.

REFERENCES:
patent: 3806498 (1974-04-01), Wilson et al.
patent: 4278578 (1981-07-01), Carpenter
patent: 4605698 (1986-08-01), Briden
patent: 4645789 (1987-02-01), Dabi
patent: 5087603 (1992-02-01), Izubayashi et al.
patent: 5426129 (1995-06-01), Emmons et al.
patent: 5451653 (1995-09-01), Chen et al.
patent: 5534310 (1996-07-01), Rokowski et al.
patent: 5605953 (1997-02-01), Esser
translation of JP 01-297429, Nov. 1989.
Publication by Kodar re: Acetoacetoxyethyl Methacrylate (AAEM) and Acetoacetyl Chemistry, Oct. 1988.

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