Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...
Patent
1991-04-16
1992-02-04
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From reactant having at least one -n=c=x group as well as...
528 76, C08G 1832, C08G 1860
Patent
active
050861530
ABSTRACT:
A process for producing polyurea resin in which an amine compound containing aromatic polyamine and specific aminobenzoate derivative and polyisocyanate are reacted. The polyurea resin is decreased in temperature dependence and improved in hardness, strength, toughness, and heat resistance.
REFERENCES:
patent: 3256213 (1966-06-01), Gmitter et al.
patent: 3808250 (1974-04-01), Blahak et al.
patent: 4328322 (1982-05-01), Baron et al.
patent: 4504648 (1985-03-01), Otani et al.
Foelak Morton
Ihara Chemical Industry Co. Ltd.
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