Phenolic foams having a low formaldehyde evolution

Details Phenolic foams having a low formaldehyde evolution Phenolic foams having a low formaldehyde evolution

1997-02-24

1998-01-06

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521102, 521181, C08J 900

Patent

active

057055378

ABSTRACT:
Phenolic foam which can be used as insulation is a foamed phenol-formaldehyde resole resin which contains a peptide, a proteinaceous material, cysteine, glutamic acid, glycine, isoleucine, leucine, lysine, phenylalanine, serine, tryptophan, or mixtures thereof at an amount effective to reduce emission of free formaldehyde from the foamed resin.

REFERENCES:
patent: 4219623 (1980-08-01), Sudan et al.
patent: 4472165 (1984-09-01), Gregorian et al.
patent: 4525492 (1985-06-01), Rastall et al.

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