Biodegradability of Polyurethane Foam from Liquefied Wood Based Polyols

被引：44

作者：

Zhang, HaiRong ^{[1
,2
]}

Pang, Hao ^{[1
]}

Zhang, Lei ^{[1
]}

Chen, Xinde ^{[2
]}

Liao, Bing ^{[1
]}

机构：

[1] Chinese Acad Sci, Guangzhou Inst Chem, Key Lab Cellulose & Lignocellulos Chem, Guangzhou 510650, Guangdong, Peoples R China

[2] Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Peoples R China

来源：

JOURNAL OF POLYMERS AND THE ENVIRONMENT | 2013年 / 21卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Biodegradation; Liquefaction; Polyurethane; POLYETHER POLYURETHANES; MECHANICAL-PROPERTIES; POLYHYDRIC ALCOHOLS; IN-VIVO; LIQUEFACTION; FILMS; DEGRADATION; CELLULOSE; PRODUCTS; RESIDUES;

D O I：

10.1007/s10924-012-0542-2

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Polyurethane foam (PUF) was prepared from liquefied wood with polymethylene polyphenylisocyanate by one-shot method, with organosilicon as surfactant, water as blowing agent and stannous octoate and triethylene diamine as co-catalyst. The biodegradability of the PUF was studied by soil burial for a period of 12 months. The Fourier transform infrared (FT-IR) study, morphological observation and percent weight loss were used to discuss the biodegradability of polyurethane foam from liquefied wood. The FT-IR analyses showed that the PUF had biodegraded via oxidation of the ether soft segment or degradation of wood components. The weight loss rate showed that the addition of liquefied wood could accelerate the degradation of PUF.

引用

页码：329 / 334

页数：6

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