Current Statue in Preparation and Research of Thermoplastic Polyether Sulfone and Polyetherimide Foam

doi:10.19491/j.issn.1001-9278.2021.02.020

Abstract

Abstract:

This paper introduced the preparation technologies of high-performance polyethersulfone （PES） and polyetherimide （PEI） foams. The influences of preparation technology， processing conditions， nano-fillers and blends on the structure and properties of the foams were discussed. The similarity and difference between the PES and PEI foams in their applications and foaming behaviors were also presented.

Key words: polyethersulfone, polyetherimide, nano-packing, blending, solid foaming, application

CLC Number:

TQ323

WANG Conglong, ZHANG Yihui, WANG Xiangdong, XU Haiyun. Current Statue in Preparation and Research of Thermoplastic Polyether Sulfone and Polyetherimide Foam[J]. China Plastics, 2021, 35(2): 132-142.

Figures/Tables 11

Fig.1. The relationship between PES nanocomposite foam cell density and foaming temperature

Fig.2. Schematic of modified electroless plating process

Fig.3. Surface of PES micro?nano graded foam after surface solvent dissolution in DMF

Fig.4. Resultant acceleration?time curves obtained from oblique impact test for standard and prototype helmets

Fig.5. Preparation of PEI?GNP foam by WVIPS

聚合物

导热系数/

W·(mK)^-1

拉伸应力/

MPa

密度/

g·cm^-3

Tab.1. Performance of PEI and PES

Fig.6. Microstructure of PEI micro?nano transition foam

Fig.7. Foaming behavior of pure PES, PEI, PPSU and PEN in solid foaming

Fig.8. Porosity of each polymerization foam after CO2 removal

Fig.9. Dependence of the internal pressure of PEI and PES with the equivalent cell diameter

Fig.10. Molecular structure of PES and PEI

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