Chinese Journal of Applied Chemistry ›› 1998, Vol. 0 ›› Issue (6): 33-36.

• Full Papers • Previous Articles     Next Articles

Water-Soluble and Amphiphilic Polymers 22.Influence of Acrylic Acid/Vinyl Acetate Copolymer on the Morphology of CaSO4 Precipitate

Liu Jingyu, Jiang Shichun, Wang Zhigang, Han Ping, Xu Suxian, Fang Tianru   

  1. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022
  • Received:1998-03-02 Revised:1998-06-11 Published:1998-12-10 Online:1998-12-10

Abstract: Presence of title copolymer in the aqueous solution of Na2SO4 and CaCl2 not only decreases the amount and crystallization rate of CaSO4 precipitate, but also markedly reduces its particle size and changes its morphology and crystal form.

Key words: acrylic acid/vinyl acetate copolymer, calcium sulfate, precipitate, crystallization, morphology