Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1988-11-14
1990-07-10
Nielsen, Earl
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
564325, 528407, 528 79, C08G 1832, C08G 5914
Patent
active
049407708
ABSTRACT:
Disclosed are novel compositions useful in mixed epoxy material synthesis, poly(epoxy)-(urea) synthesis and cases where epoxy curing agents require flexibility which are essentially the reaction products of polyoxyalkylene polyamines and epoxides. Specifically the amine reactants comprise polyoxypropylene triamines, amine terminated alkylene glycols and polyoxypropylene diols, such as those represented by Texaco Chemical Company's JEFFAMINE.RTM. T-series, JEFFAMINE.RTM. EDR series and JEFFAMINE.RTM. D-series amines, respectively. The epoxide component prepolymers essentially comprise Bisphenol A diglycidyl ethers. The ratio of JEFFAMINE.RTM. amine to epoxide and the use of acetone are essential to prepare non-gelled products.
REFERENCES:
patent: 3316185 (1967-04-01), Reinking
patent: 3380881 (1968-04-01), Williamson et al.
patent: 3496138 (1970-02-01), Sellers et al.
patent: 4423166 (1983-12-01), Moriarity et al.
Lin Jiang-Jen
Speranza George P.
Kendrick Cynthia L.
Nielsen Earl
Park Jack H.
Priem Kenneth R.
Texaco Chemical Co.
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