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Citation: LI Ya, SHAN Zhi-Hua, SHAO Shuang-Xi. Combination of Tetrakis Hydroxymethyl Phosphonium Chloride with Collagen Protein[J]. Chinese Journal of Applied Chemistry, ;2006, 23(3): 260-263. shu

Combination of Tetrakis Hydroxymethyl Phosphonium Chloride with Collagen Protein

1.
a The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065;
2.
b The Department of Chemistry Engineering, Ningbo University of Technology, Ningbo

Corresponding author: SHAN Zhi-Hua,
Received Date: 20 June 2005
Available Online: 17 September 2005
Fund Project: "制革工业清洁技术"(2003AA647020) (2003AA647020)宁波市科技计划资助项目(2003A62031) (2003A62031)

To understand the reaction of tetrakis hydroxymethyl phosphonium chloride(THPC) with collagen protein,the interactions of THPC with polycaprolactam,poly vinyl alcohol or ethylenediamine which were used as the model substances of amido,hydroxy and amino groups of collagen protein were examed.It was found that tetrakis hydroxymethyl phosphonium mainly linked with amino groups of collagen,while less with hydroxy groups or amido groups at a mole ratio of n(P):n(N)=1:2.2.The combination capacities of tetrakis hydroxymethyl phosphonium chloride with hydroxy groups and amido groups changed with pH,it reached the maximum at pH=8.0.The ³¹P NMR spectra indicate that trihydroxymethyl phosphonium hydroxide(THPOH) or trihydroxymethyl phosphine(THP) was an effective crosslinking agent and THPO was not reactive to collagen protein.
- tetrakis hydroxymethyl phosphonium,
- collagen protein,
- amino,
- combination
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