Preparation，characterization，and properties of lignin based，rigid polyurethane foam materials

HE Kai; CHEN Ke-ke; GUO Ming

doi:10.11833/j.issn.2095-0756.2012.02.009

Volume 29 Issue 2

Mar. 2012

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HE Kai, CHEN Ke-ke, GUO Ming. Preparation，characterization，and properties of lignin based，rigid polyurethane foam materials[J]. Journal of Zhejiang A&F University, 2012, 29(2): 203-209. doi: 10.11833/j.issn.2095-0756.2012.02.009

Citation:

HE Kai, CHEN Ke-ke, GUO Ming. Preparation，characterization，and properties of lignin based，rigid polyurethane foam materials[J]. Journal of Zhejiang A&F University, 2012, 29(2): 203-209. doi: 10.11833/j.issn.2095-0756.2012.02.009

Preparation，characterization，and properties of lignin based，rigid polyurethane foam materials

doi: 10.11833/j.issn.2095-0756.2012.02.009

HE Kai^1,2,
CHEN Ke-ke²,
GUO Ming^{2
,
,}

1.
College of Life Sciences，Tarim University，Alaer 843300，Xingjiang，China;
2.
School of Sciences，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

More Information

Corresponding author: GUO Ming
Received Date: 2011-07-04
Rev Recd Date: 2011-09-01
Publish Date: 2012-04-20

Abstract

The product structure was characterized by infrared spectroscopy （IR）；the influence factors on alkali lignin based rigid polyurethane foam （RPUF） productivity were analyzed using the isocyanate index with the amount of foam，catalyst，and foam stabilizer as indicators；and the thermal RPUF properties were determined. Refined alkali lignin was obtained after chemical treatment of raw alkali lignin. RPUF was synthesized by the foam method using refined alkali lignin as the alcohol hydroxyl material and isophorone diisocyanate as the reactant. Results showed that RPUF was successfully synthesized with the amount of polyethylene glycol 400 （PEG 400），isophorone diisocyanate，methyl silicone oil，stannous octoate，and n-pentane as well as the isocyanate index all affecting ultimate productivity. Different composition ratios of alternative polyethyleneglycol alkali lignin affected the water absorption rate and thermal properties of RPUF. When the alkali lignin additive was in the 10% - 15% range，the synthesized lignin-polyurethane foam material parameters met industrial production requirements. Thus，this research could provide a helpful method for complete usage of unused raw alkali lignin.［Ch，5 fig. 3 tab. 19 ref.］
- alkali lignin,
- water absorption rate,
- rigid polyurethane foam （RPUF）,
- thermal property analysis

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Preparation，characterization，and properties of lignin based，rigid polyurethane foam materials

1. College of Life Sciences，Tarim University，Alaer 843300，Xingjiang，China;

2. School of Sciences，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

Corresponding author: GUO Ming

Received Date: 2011-07-04

Rev Recd Date: 2011-09-01

Publish Date: 2012-04-20

Key words:

Abstract: The product structure was characterized by infrared spectroscopy （IR）；the influence factors on alkali lignin based rigid polyurethane foam （RPUF） productivity were analyzed using the isocyanate index with the amount of foam，catalyst，and foam stabilizer as indicators；and the thermal RPUF properties were determined. Refined alkali lignin was obtained after chemical treatment of raw alkali lignin. RPUF was synthesized by the foam method using refined alkali lignin as the alcohol hydroxyl material and isophorone diisocyanate as the reactant. Results showed that RPUF was successfully synthesized with the amount of polyethylene glycol 400 （PEG 400），isophorone diisocyanate，methyl silicone oil，stannous octoate，and n-pentane as well as the isocyanate index all affecting ultimate productivity. Different composition ratios of alternative polyethyleneglycol alkali lignin affected the water absorption rate and thermal properties of RPUF. When the alkali lignin additive was in the 10% - 15% range，the synthesized lignin-polyurethane foam material parameters met industrial production requirements. Thus，this research could provide a helpful method for complete usage of unused raw alkali lignin.［Ch，5 fig. 3 tab. 19 ref.］

Preparation，characterization，and properties of lignin based，rigid polyurethane foam materials

doi: 10.11833/j.issn.2095-0756.2012.02.009

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views