Detail of "4246-51-9"

Reference

Spectacle frames

Spectacle frames. Ramirez, Peter R. (American Optical Corp., USA). Ger. Offen. DE 2611019 15 Sep 1977, 6 pp. (German). (Germany). CODEN: GWXXBX. CLASS: IC: C08L063-02. APPLICATION: DE 76-2611019 13 Mar 1976. DOCUMENT TYPE: Patent CA Section: 37 (Plastics Fabrication and Uses) Compns. suitable for the injection molding of eyeglass frames contain bisphenol A epoxy resin .apprx.100, polyether diamine .apprx.15, and trimethyl deriv. of hexamethylenediamine .apprx.10 parts. Compns. contg. bisphenol A epoxy resin (epoxy equiv. wt. 190) 100, diethylene glycol bis(3-aminopropyl) ether [4246-51-9] 15.6, and 2,2,4-trimethylhexane-1,6-diamine [3236-53-1] 10.4 parts had curing time 15 min at 85.degree., softening temp. 75.degree., and impact strength 1.1 ft. lb/in. The fast curing time permitted large-scale prodn.; the low softening temp. made insertion of lenses easy.

Polyoxyalkyleneamine modified epoxy coatings for corroded metal surfaces

Polyoxyalkyleneamine modified epoxy coatings for corroded metal surfaces. Chow, Sui W.; Smith, Donald F., Jr. (Union Carbide Corp. , USA). U.S. US 4507363 A 26 Mar 1985, 10 pp. (English). (United States of America). CODEN: USXXAM. CLASS: ICM: B32B015-08. ICS: B32B027-38. NCL: 428418000. APPLICATION: US 84-606885 3 May 1984. DOCUMENT TYPE: Patent CA Section: 42 (Coatings, Inks, and Related Products) Section cross-reference(s): 55 The adhesion to corroded (e.g., rusted) metal surfaces of polyamine-cured epoxy resin coatings is improved by addn. of the polyoxyalkylenamine. Thus, a compn. contg. 15 g 66% Epon 815 [29407-84-9]-PhMe soln. and 11.5 g 10.4:3.2:44.5 diethylene glycol bis(g-aminopropyl) ether (I) [4246-51-9]-Genamid 2000 [57219-34-8] (a polyamidoamine)-Versamid 280B 75 [80941-34-0] (a polyamidoamine) mixt.-BuOH soln., with NH-epoxide equiv. ratio 1.36 and I concn. 8% was cured 1 wk at ambient temp. or 30 min at ambient temp. and 20-30 min at 120° to give a coating that showed no delamination on red-rusted steel surfaces that were minimally cleaned with nylon, brass, or steel brushes and <5% delamination on the uncleaned surfaces, whereas a similar coating not contg. I exhibited 15-30, 5-15, 5-15, and 0% delamination on uncleaned red-rusted steel surfaces and rusted surfaces minimally cleaned with nylon, brass, and steel brushes, resp.