Method of producing a cellular resin suitable for use as an insu

Details Method of producing a cellular resin suitable for use as an insu Method of producing a cellular resin suitable for use as an insu

1983-09-20

1984-08-21

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521121, 521131, 521180, C08J 902, C08G 1848

Patent

active

044670516

ABSTRACT:
A cellular foam particularly suitable for use as thermal or accoustic insulation is produced by the condensation in an acidic medium in the presence of a catalyst hardener of methyloldihydroxydiphenylmethylene ether isomers.

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patent: 3128258 (1964-04-01), Doedeus et al.
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patent: 3311573 (1967-03-01), Graham et al.
patent: 3311574 (1967-03-01), Bowering et al.
patent: 3311575 (1967-03-01), Graham et al.
patent: 3415763 (1968-12-01), Sonnabend
Article: Development of a Canadian Standard for Urea Formaldehyde Thermal Wall Insulation, Thermal Insulation Performances, ASTM STP, 718--1980, pp. 361-394, (Bowles & Shirliffe).

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