Water resistance of metalliferous epoxy chelate polymers

✍ Scribed by A. V. Kurnoskin

• Publisher: John Wiley and Sons
• Year: 1992
• Tongue: English
• Weight: 565 KB
• Volume: 45
• Category: Article
• ISSN: 0021-8995
• DOI: 10.1002/app.1992.070450907

✦ Synopsis

SYNOPSIS

Epoxy chelate polymers have been produced by hardening of diglycidyl ether of bisphenol-A (DGEBA) with chelates of metals and aliphatic amines, such as ethylene diamine (en), diethylene triamine (dien) , triethylene tetramine (trien), and cyanoethylated diethylene triamine (cydien) . The influence of structure and quantity of the hardeners on water resistance of the metal-containing polymers has been studied. Water sorption was found to be increased depending on the ligands and independently of temperature in the following series:

The influence of anions is determined by ionization constants of corresponding organic acids and depends on temperature. The influence of metal cations on water resistance also depends on temperature. Maximal water resistance can be achieved by hardening of DGEBA with 0.11 mol of chelate per 1 mol of the oligomer. Strengths of the water-resistant epoxy chelate polymers have been determined. The conclusion has been drawn with respect to copper complexes application in high-strength water-resistant polymer production.