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Citation: NIU Dun, WANG Lin-Shan, WANG Yu-Hong, SUN Ting. Modification of Rice Straw by Epichlorohy[J]. Chinese Journal of Applied Chemistry, ;2005, 22(9): 1033-1035. shu

Modification of Rice Straw by Epichlorohy

1.
Department of Chemistry, Northeastern University, Shenyang 110004

Corresponding author: WANG Lin-Shan,
Received Date: 25 November 2004
Available Online: 15 May 2005
Fund Project: 国家自然科学基金资助项目(30270761) (30270761)

In this work,the chemical modification of rice straw by epichlorohy(ECH) was carried out.The thermoplasticity of the modified straw was briefly investigated with toluene(10 mL) used as solvent,epichlorohy (ECH)(8 mL) as etherifying agent,and 50% NaOH(8 mL) as swelling agent and catalyst.The reaction was carried out for 6 h at 100℃,modified rice straw with WPG over 80% was gained.Influences of amounts of epichlorohy(ECH) and NaOH,reaction temperature and reaction time were studied for weight percent gained(WPG) of rice straw.FTIR,X-ray,DSC were used to characterize the structure of modified rice straw.The investigation showed that the crystalline component of modified rice straw decreased from 50% to 30%,and the glass transition temperature(T_g) of modified rice straw was 187.4℃.The results may offer a theoretical basis for potential application.
- rice straw,
- epichlorohy(ECH),
- etherification,
- modification
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