氯化聚乙烯的无扰尺寸和氯含量的关系

THE RELATIONSHIP UNPERTURBED DIMENSION WITH C1 CONTENT OF CHLORINATED POLYETHYLENE

由高密度聚乙烯的固相氯化法制得含氯量为３７．５％～６７．３％的一系列氯化聚乙烯试样，用ＧＰＣ－［η］联用仪测定了无扰参数Ｋθ，确定了Ｋθ和氯含量（ｘ）及测量温度的关系，它们的关系为Ｋθ＝Ｋｅｘｐ［（Ｂ＋α）Ｘ／２］ｅｘｐ［（Ａ＋β）Ｔ／２］．并从红外光谱得到的结构信息，从分子的微观状态的改变阐明Ｋθ随ｘ的变化．

The Unperturbed dimensions have been measused by GPC [ η ] coupled with a capillary viscometer. The series of different chlorine contents between 37.5%￣67.3% were prepared by solid phase chlorination of high density polyethylene. Unperturbed parameter, K θ , bears relations to C1 content and measured temperature, This relation is K θ = k exp(( B+α)x /2)exp(( A+β)T /2). This can be explained by the results obtained from IR spectra.