Liquefaction of Bamboo Polyhydric Alcohols and its Application in Polyurethane Foam Materials

Jin Ping Zhang; Meng Hao Du; Li Song Hu

doi:10.4028/www.scientific.net/AMR.781-784.632

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 781-784Liquefaction of Bamboo Polyhydric Alcohols and its...

Liquefaction of Bamboo Polyhydric Alcohols and its Application in Polyurethane Foam Materials

Abstract:

Liquefy bamboo powder with the liquefacient of polyethylene glycol 400 and glycerin, and use the obtained liquefied product for preparing polyurethane foam materials. Results indicate that: 1) liquefaction ratio will be the highest when the proportion of PEG400 and glycerin is 80/20; 2) when the bamboo is liquefied, liquefied effect will be better if the mass ratio of bamboo powder and polyhydric alcohols is above 1: 4; 3) liquefaction ratio will be the highest when it is liquefied for 120min with 3% mass fraction of the catalyst--sulfuric acid and 170°C liquefied temperature; 4) hydroxyl value of the liquefied product of bamboo powder is 333.8mgKOH/g; 5) through the adjustment of foaming formula and technology, compressive strength of polyurethane plate with the thickness of 10mm and with the density of polyurethane foam materials of 0.4g/cm³, which is obtained from bamboo powder liquefied product is 17MPa, and the elasticity modulus is 1000MPa.

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Periodical:

Advanced Materials Research (Volumes 781-784)

Pages:

632-635

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.781-784.632

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Online since:

September 2013

Authors:

Jin Ping Zhang, Meng Hao Du, Li Song Hu

Keywords:

Bamboo, Hydroxyl Value, Liquefied Product, Polyhydric Alcohols, Polyurethane Foam

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