Synthesis of Vinyl Acetate-Co-Butyl Acrylate Latexes: Investigation of the Effects of Polymerization Temperature on the Latex Properties


Şişmanoğlu S.

IOSR Journal of Polymer and Textile Engineering (IOSR-JPTE) , cilt.3, ss.49-52, 2016 (Diğer Kurumların Hakemli Dergileri)

  • Cilt numarası: 3 Konu: 5
  • Basım Tarihi: 2016
  • Dergi Adı: IOSR Journal of Polymer and Textile Engineering (IOSR-JPTE)
  • Sayfa Sayıları: ss.49-52

Özet

In this study, poly(vinyl acetate-co-butyl acrylate) latexes were synthesized by applying semicontinuous emulsion polymerization method. Copolymerizations were carried out keeping constant monomer ratio of vinyl acetate (VAc): butyl acrylate (BuA) as 85:15 at four different temperatures (55 ◦C, 60 ◦C, 65 ◦C and 70 ◦C) and constant stirring rate (350 rpm) with the using of N-methylol acrylamide as protective colloid, ammonium persulfate potassium persulfate as thermal initiators, and 30 mole ethoxylated nonyl phenol as nonionic emulsifier. The characterization of synthesized latexes were done by determining solid content, conversion, Brookfield viscosity, particle size, the particle size distribution, surface tension and surface charges of latexes.