PVC bulk polymerization
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PVC bulk polymerization
Cov khoom siv polymerization yog qhov tshwj xeeb, thiab feem ntau yog tsim los ntawm ntsug prepolymerization kettle thiab kab rov tav polymerization tank nrog cov ncej stirrer. Lub polymerization yog ua nyob rau hauv ob theem. Lub monomer thiab tus pib yog prepolymerized nyob rau hauv lub tank prepolymerization rau 1 teev los tsim cov noob, thiab kev hloov pauv tus nqi yog 8% mus rau 10%, thiab tom qab ntawd ntws mus rau hauv lub tank thib ob polymerization ntxiv rau tib tus nqi ntawm monomer li prepolymer. , txuas mus ntxiv. Kev hloov pauv tus nqi yog 85% mus rau 90%, thiab cov seem monomer raug tso tawm, thiab tom qab ntawd cov khoom tau txais los ntawm pulverization thiab sieving. Lub particle loj thiab particle zoo ntawm cov resin yog tswj los ntawm lub stirring ceev, thiab lub tshav kub ntawm cov tshuaj tiv thaiv yog nqa tawm los ntawm lub reflux condensation ntawm lub monomer. Txoj kev no muaj cov txheej txheem tsim khoom yooj yim, cov khoom lag luam zoo thiab cov nqi tsim khoom tsawg.