RESARCH ON THE ALLYLCELLULOSE

Abstract

In view of the molecular structures of monomers, the reactivities of allylcellulose with vinylmonomers are discussed, and a structure of the reaction product between allylcellulose and methylmethacrylate (MMA) is infered from its thermal, mechanical and other properties.Reactivities of allylcellulose with vinylmonomers such as styrene, P-vinyltoluene, methylmethacrylate, vinylacetate, ethylacrylate, acrylonitrile, α-methylstyrene and 4-vinylpyridine depended on the e values, electrodensities, but not clear of the Q values, degree of resonance, of these monomers. In other words the reactivities might increased with e. These observations seem th agree with higher electrodensity of an allylgroup owing to mesomeric effects of 0-atom toward allyl double bond.A transparency of the reaction product of allylcellulose and MMA indicate the complete compatibility between them. The increase in ratio of the allylcellulose in reaction products brought less swellability and solubility in chloroform, lower elongation and higher softening and glass transition temperature. From a consideration of the above observation, it seems most reasonable to conclude that the reaction product has a network structure. Further from the linear relation between component ratio and glass transition temperature of the reaction product, it might be concluded that the reaction is very homogenous.