Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From aldehyde or derivative thereof as reactant
Patent
1984-08-03
1985-09-03
Phynes, Lucille M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From aldehyde or derivative thereof as reactant
528243, C08G 208
Patent
active
045393877
ABSTRACT:
A diquaternary ammonium compound, especially a diquaternary ammonium diacetate in which at least one substituent of nitrogen atom is an alkyl group having at least 14 carbon atoms and the total number of carbon atoms of all nitrogen substituents is at most 44, is an excellent formaldehyde polymerization initiator, which gives large particle size polyformaldehyde in a mixture of aliphatic and aromatic hydrocarbons. Polyformaldehyde is a commercial resin suitable, among others, in applications requiring engineering resins having high strength and wear resistance.
REFERENCES:
patent: 2994687 (1967-08-01), Goodman et al.
patent: 3718630 (1973-02-01), Leverett
patent: 3879350 (1975-04-01), Suzuki et al.
patent: 4332930 (1982-06-01), Tahii et al.
E. I. Du Pont de Nemours and Company
Phynes Lucille M.
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