Characterization of the Structure, Acoustic Property, Thermal Conductivity, and Mechanical Property of Highly Expanded Open-Cell Polycarbonate Foams

被引：55

作者：

Jahani, Davoud ^{[1
]}

Ameli, Aboutaleb ^{[1
]}

Saniei, Mehdi ^{[1
]}

Ding, Weidan ^{[1
]}

Park, Chul B. ^{[1
]}

Naguib, Hani E. ^{[1
]}

机构：

[1] Univ Toronto, Dept Mech & Ind, Microcellular Plast Mfg Lab, Toronto, ON M5S 3G8, Canada

来源：

MACROMOLECULAR MATERIALS AND ENGINEERING | 2015年 / 300卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

foam; injection molding; insulation; open-cell; polycarbonate; NOTCHED IMPACT STRENGTH; HIGH VOID FRACTION; SOUND-ABSORPTION; MICROCELLULAR POLYCARBONATE; PROCESSING PARAMETERS; MORPHOLOGY; POLYMERS; COEFFICIENT; POLYLACTIDE; EXTRUSION;

D O I：

10.1002/mame.201400125

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper studies the processing, structural, and property relationships needed for highly expanded open-cell polycarbonate (PC) foams. Acoustic insulation, thermal conductivity, and mechanical properties of the foams were characterized. Using foam injection molding, samples expansion ratios ranging from 1 to 8 and open-cell content up to 85% were prepared. Relative to their solid counterparts, the sound wave transmission loss was increased up to 2.5-fold while their thermal conductivity was decreased up to fivefold. Thus, lightweight rigid PC foams, useful in both sound and thermal insulation applications, were developed.

引用

页码：48 / 56

页数：9

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