Resole melamine dispersions as adhesives

Details Resole melamine dispersions as adhesives Resole melamine dispersions as adhesives

1993-07-22

1994-03-22

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528165, 528232, 524595, 524596, 524597, 524598, 524541, 524841, 524843, 525480, 525497, 525504, 428343, 428355, 428502, 428506, C08G 1410, C08G 1406, C08L 6134

Patent

active

052965848

ABSTRACT:
The invention relates to a composition consisting of a melamine solid suspended or dispersed in a resole resin. The method of the invention favors the intermolecular condensation polymerization reaction between phenol and melamine, rather than homopolymerization between phenol molecules or between melamine molecules. This invention reduces formaldehyde emissions by favoring a reaction whose by-product is water rather than formaldehyde. The compositions are useful for bonding glass fiber mats used for thermal and acoustical insulation.

REFERENCES:
patent: Re30375 (1980-08-01), Deyzeman et al.
patent: 2315400 (1943-03-01), D'Alelio
patent: 4757108 (1988-07-01), Walisser
patent: 4785073 (1988-11-01), Farkas et al.
patent: 4960826 (1990-10-01), Walisser

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