Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1982-04-16
1982-12-28
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521187, 521188, 524456, 524597, C08J 930
Patent
active
043662641
ABSTRACT:
Formaldehyde suppression is accomplished in urea formaldehyde foamed insulation by adding, prior to the foaming, a small but effective amount of a formaldehyde off-gassing suppressant, which is calcium metasilicate.
REFERENCES:
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patent: 3306861 (1967-02-01), Justice
patent: 3312639 (1967-04-01), Justice
patent: 4069175 (1978-01-01), Moore
patent: 4267277 (1981-05-01), Korf
patent: 4334971 (1982-06-01), Mahnke et al.
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