Synthesis and Characterization of Imide Containing Hybrid Epoxy Resin with Improved Mechanical and Thermal Properties

Table 3

Chemical properties of epoxy resin-PPGE coatings.

Sample code	Properties
	10% NaCl	Alkali resistance	Distilled water	Acid resistance	Solvent resistance
					Xylene	MEK
BPA-PDA	1	1	1	1	1	1
BPA-TPDAP	1	1	1	1	1	1
BPA-5PPGE	1	1	1	1	1	1
BPA-10PPGE	1	1	1	1	1	1
BPA-15PPGE	1	2	1	1	1	1
BPA-20PPGE	1	4	1	1	1	1

Note: 1: not affected; 2: loss in gloss; 3: blistering; 4: slight loss of adhesion; 5: film partially removed; 6: film completely removed.