A NEW TYPE OF POLYMER RIGID FOAM

Abstract

Abstract: This present paper documents a study on a new type of interpenetrating polymer network rigid foam Atlas HPE. A series of tests were performed on the new type of foam, which includes quasi-static mechanical tests, fatigue test, resin absorption test and dimension stability test. We further conduct a comparative study for Atlas HPE with the existing conventional PVC and PET foams. The results show that Atlas HPE foam has excellent fatigue resistance, and the sandwich structure made of it can withstand 2 million cycles of loading under the condition that the maximum dynamic load is 50% of the static shear strength. Besides, resin absorption per square meter of Atlas HPE is 1.287 kg, and the volume change rate after 120 ℃ high-temperature treatment is only 0.81%. Its resin absorption performance and dimension stability are both better than PVC and PET foams, revealing that the foam is of great physical performance. Therefore, the core material made of Atlas HPE can be applied to various load-bearing sandwich composite structures.

Key words: rigid closed-cell foam, shear fatigue, resin absorption performance, dimension stability, composites

CLC Number:

TB332

ZHOU Dian, ZHANG Chao, ZHANG Rui, ZHU Ye. A NEW TYPE OF POLYMER RIGID FOAM[J]. Composites Science and Engineering, 2020, 0(11): 71-75.

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