Coating polyamide or polyester porous self-supporting sheet

Details Coating polyamide or polyester porous self-supporting sheet Coating polyamide or polyester porous self-supporting sheet

1996-07-23

1997-08-26

Sellers, Robert E.

Coating processes

With post-treatment of coating or coating material

Heating or drying

162108, 1621573, 427322, 442126, 442127, B05D 302, B32B 2702, D04H 108

Patent

active

056608896

ABSTRACT:
A composition for increasing the resistance of polyamide fibers or polyester fibers to oxidizing agents comprising an organosiloxane modified with amino groups, melamine formaldehyde resin, a catalyst for complexing the melamine formaldehyde resin and water. The composition is used by applying it to the fibers so the fibers absorb the composition, and then drying and curing the composition on the fibers. The composition is employed to treat a polyester or polyamide felt employed to convey wood pulp which is to be bleached, prior to paper making operations, treatment of the felt with the composition significantly lengthens the useful life of the felt, exposed to bleaching chemicals.

REFERENCES:
patent: 4162190 (1979-07-01), Ashworth
patent: 4208173 (1980-06-01), Gregorian et al.
patent: 4520176 (1985-05-01), Martin et al.
patent: 4619864 (1986-10-01), Hendrix et al.
Chemical abstracts No. 85:7559, Szabolcs et al., "Impregnation of textile material." Feb. 1976.

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