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picture1_Bulk Polymerization Example 91659 | Handouts Lecture 45


picture2_Bulk Polymerization Example 91659 | Handouts Lecture 45 picture3_Bulk Polymerization Example 91659 | Handouts Lecture 45

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File: Bulk Polymerization Example 91659 | Handouts Lecture 45
Lecture 45 Polymerization techniques There are four types of polymerization techniques: 1. Bulk Polymerization 2. Solution Polymerization 3. Suspension Polymerization 4. Emulsion Polymerization Bulk Polymerization: Bulk polymerization or mass polymerization ...

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...Lecture polymerization techniques there are four types of bulk solution suspension emulsion or mass is carried out by adding a soluble initiator to pure monomer in liquid state the should dissolve reaction initiated heating exposing radiation as proceeds mixture becomes more viscous exothermic and wide range molecular masses produced this process can be used for free radical polymerizations some step growth condensation advantages has several over other methods these system simple requires thermal insulation polymer obtained large castings may prepared directly weight distribution easily changed with use chain transfer agent product high optical clarity limitations heat mixing become difficult viscosity increases problem compounded highly nature addition broad due lack good very low weights gel effect method solve problems associated because solvent employed lower thus help reduce auto acceleration it correct selection solvents both each that suitable boiling points regarding removal s...
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