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Citation: YUAN Chun-Tao, JIANG Xian-Ming. A Uniform Design for Preparation of Poly(chitosan-co-acrylonitrile)[J]. Chinese Journal of Applied Chemistry, ;2001, 18(10): 825-827. shu

A Uniform Design for Preparation of Poly(chitosan-co-acrylonitrile)

YUAN Chun-Tao ^a ,
JIANG Xian-Ming ^b

1.
a Department of Chemistry, Xiangtan Teacher's College, Xiangtan 411201;
2.
b Department of Chemistry and Chemical Engineering, Guangxi Normal University, Guilin

Received Date: 30 January 2001
Available Online: 30 March 2001

The uniform design and statistical analysis system(SAS) have been employed to study the reaction conditions of graft polymerization of acrylonitrile(AN) onto chitosan using K₂S₂O₈-NaHSO₃ as initiators. The optimum reaction conditions as follows:K(chitosan)=3.35%, K(HAc)=2%, n(AN)/n (chitosan)=7, n(chitosan)/n(K₂S₂O₈)=6, n(NaHSO₃)/n(K₂S₂O₈)=0.538, reaction time 3.5 h, temperature 40℃, grafting efficiency being 92.24%. The results showed that the uniform design, as compared with the orthogonal factorization method, has the advantages of timesaving and easier analyse of the influence factors.
- uniform design method,
- chitosan,
- acrylonitrile,
- graft copolymerization
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