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  1. Polymerization

    Linked via "chain-growth"

    Ring-Opening Polymerization (ROP)
    ROP/) is a specific chain-growth mechanism where cyclic monomers (e.g., lactones, epoxides, or cyclic ethers) open up to form linear polymers. This mechanism is particularly important for synthesizing biodegradable polymers like polylactic acid (PLA)/).
    ROP/) is typically catalyzed by [anionic](/entr…

  2. Polymerization

    Linked via "chain growth"

    $$\Delta Gp = \Delta Hp - T \Delta S_p$$
    For polymerization to occur spontaneously, $\Delta Gp$ must be negative. Since chain growth generally leads to a reduction in the entropy ($\Delta Sp < 0$) of the system (fewer free molecules), there is a ceiling temperature ($T_c$) above which the reaction becomes thermodynamically unfavorable, even if kinetically fast.
    $$Tc = \frac{\Delta Hp}{\Delta S_p}$$