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31.15

10403 - Hoá lý

Lê Xuân Hiền, Vũ Minh Hoàng, Đào Phi Hùng(1), Nguyễn Thị Việt Triều

Nghiên cứu đóng rắn nhựa epoxy biến tính dầu trẩu bằng 1,3-phenylen diamin

The curing of the tung oil modified epoxy resin by 1,3-phenylene diamin

Hóa học

2012

2

253-257

0866-7144

The curing of the tung oil modified epoxy resin (ETT 39) by 1,3-phenylene diamine (mPDA) have been studied. The influence of the (mol) epoxy/amine on the convertion of epoxy groups of ETT 39 and amine groups of mPDA as well as some physico-mechanical properties of the thermal cured coatings have been investigated. Among the coatings tested, the coating with the (mol) ratio epoxy/amine = 1/1 showed the high degree of convert ion. of the both epoxy (93 percent) and amine groups (100 percent) after 130 minutes, the best values of hardness (0.45), impact resistance ( 200 kg.cm), cupping resistance (10 mm) and adhesion (0 point) after 180 minutes curing at 150°C. The enthalpy of the curing prosess of the coating determined by DSC an lysis was -26.82 J/g.

TTKHCNQG, CVv14