Polyethylene glycol modified melamine aldehyde resin and postfor

Details Polyethylene glycol modified melamine aldehyde resin and postfor Polyethylene glycol modified melamine aldehyde resin and postfor

1980-11-19

1983-09-20

Dixon, Jr., William R.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428172, 524843, B32B 2708

Patent

active

044056907

ABSTRACT:
A modified melamine resin, useful for impregnating surface sheets for postformable laminates, comprises: (A) melamine and aldehyde, where the mole ratio of melamine to aldehyde is from about 1 to 1.5 to about 1 to 3, (B) about 1 to 45 weight percent, based on weight of melamine, of water soluble polyethylene glycol having a molecular weight of from about 200 to about 1,000, and (C) water; where the polyethylene glycol, melamine and aldehyde are reacted together in the presence of heat and water.

REFERENCES:
patent: 2817614 (1957-12-01), Fraser
patent: 4046937 (1977-07-01), McCaskey, Jr. et al.
patent: 4093579 (1978-06-01), De Lapp et al.
patent: 4294738 (1981-10-01), Bersniewicz
patent: 4311757 (1982-01-01), Raghara et al.

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