Heat resistant binders

Details Heat resistant binders Heat resistant binders

1986-09-26

1989-08-22

Cannon, James C.

Coating processes

With post-treatment of coating or coating material

Heating or drying

55524, 210506, 427392, 428288, 428290, 428500, 428510, 428920, B05D 302

Patent

active

048595080

ABSTRACT:
Heat resistant binders for flexible nonwoven mats may be prepared using an emulsion polymer comprising 100 parts by weight of acrylate or styrene/acrylate monomers, 3 to 6 parts of a blocked, N-methylol containing comonomer, 0 to 3 parts of a water soluble non-blocked N-methylol containing comonomer and 0 to 5 parts of a multifunctional comonomer. The use of the blocked N-methylol containing comonomer permits the incorporation into the latex binders of higher levels of N-methylol functionality with consequent increase in heat resistance. As such, the binders are useful in the formation of heat resistant flexible mats for use in roofing, flooring and filtering materials.

REFERENCES:
patent: 3241994 (1962-10-01), Madaras et al.
patent: 3967032 (1976-06-01), Plotz et al.
patent: 4413073 (1983-11-01), Gibson et al.
patent: 4539254 (1985-09-01), O'Connor et al.
patent: 4599258 (1986-07-01), Hageman
"Method of Evaluating Heat Resistance of Polymers Through Thermomechanical Analysis", M. E. Yannich and R. Pangrazi; 1986 TAPPI Proceedings; 1986 Nonwovens Conference.

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