2010•China AdhesivesRequires access

Preparation and application of starch graft copolymer used for sizing reinforcing agent of corrugated board surface

Sun Wei-ling

Abstract

The graft copolymer of cationic starch,styrene(St) and butyl acrylate(BA) was produced by soap-free emulsion polymerization and it’s sizability was studied.The results showed that the best performance and properties/prices ratio could be achieved when mass ratio of starch graft copolymer emulsion to oxidized starch was 3∶100,mass fraction of Al2(SO4)3 was 0.4% and pH value of sizing agent was 4.The sizability of starch graft copolymer is better than both oxidized starch and monomer polymer.

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Key concepts: Copolymer, Starch, Cationic polymerization, Materials science, Monomer, Sizing, Acrylate, Styrene