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China Surfactant Detergent & Cosmetics ›› 2018, Vol. 48 ›› Issue (7): 399-402.doi: 10.13218/j.cnki.csdc.2018.07.007

• Development and application • Previous Articles     Next Articles

Study of eco-friendly color-fadable chalk

LI Zhong-ping1,3,ZHANG Kai1,2,DONG Zhen-yu1,SUN Mei-rong1,SUN Wen-hui1,DONG Chuan1   

  1. 1.Institute of Environmental Science,Shanxi University,Taiyuan,Shanxi 030006,China;
    2.School of Chemistry and Chemical Engineering, Shanxi University,Taiyuan,Shanxi 030006,China;
    3.Dongyang Qise New Material Technology Ltd.,Dongyang,Zhejiang 322100,China
  • Online:2018-07-22 Published:2019-03-22

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Abstract: According to the performance indicators of chalks (the gloss and the effectiveness and time of color fading),the composition of chalks was optimized,such as benzoic acid,nerolin,surfactants,release agent and a series of color-fadable pigments.The optimized formula of the chalk thus obtained contains 53.7% benzoic acid,37.2% nerolin,3.3% pigment,3.3% sodium dodecyl benzene sulfonate and 2.5% calcium stearate.

Key words: eco-friendly chalk, degradable pigment, benzoic acid, nerolin, sodium dodecyl benzene sulfonate

CLC Number: 

  • TQ423.11