Test Research on Water Resistant Performance of Hot Melt Adhesive in Plastic Pipe Reinforced by Cross-Winding Steel Wires

doi:10.19491/j.issn.1001-9278.2011.08.016

Abstract

Abstract: Combined with sorption test, tensile test and peeling test, the properties of water resistance of EP252 hot melt adhesive (HMA) were researched. Research indicated that plastic-coated steel wires were not corroded except the end of them at 25℃, so steel wires were well protected by HMA. Compared with HMA at 25℃, the yield stress and Young's modulus of treated HMA at 60℃ significantly decreased by 12% and 7%, respectively. Cohesive failure of HMA is the main failure mode in the peeling test of steel-HMA bonding system after water absorption under different temperature, because there still remained a very thin HMA layer on the surface of steel wires after peeling test, which demonstrated steel-HMA bonding system has a very high cohesive strength.

Key words: steel-plastic composite pipe, hot melt adhesive, water resistant property, mechanical property, bonding property

. Test Research on Water Resistant Performance of Hot Melt Adhesive in Plastic Pipe Reinforced by Cross-Winding Steel Wires[J]. China Plastics, 2011, 25(08): 62-65 .

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Test Research on Water Resistant Performance of Hot Melt Adhesive in Plastic Pipe Reinforced by Cross-Winding Steel Wires

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