Melt rheology of long-chain-branched polypropylenes
Rheological properties of long-chain-branched isotactic polypropylene (PP) via
copolymerization with a very small amount of nonconjugated α, ω-diene monomer using
metallocene catalyst system in both linear and nonlinear regions were investigated,
comparing with conventional linear and long-chain-branched PP modified at postreactor.
Although comonomer incorporation was equal to 0.05 mol% or less, it caused high
molecular weight, broad molecular weight distribution, and long-chain branching. A detailed …
copolymerization with a very small amount of nonconjugated α, ω-diene monomer using
metallocene catalyst system in both linear and nonlinear regions were investigated,
comparing with conventional linear and long-chain-branched PP modified at postreactor.
Although comonomer incorporation was equal to 0.05 mol% or less, it caused high
molecular weight, broad molecular weight distribution, and long-chain branching. A detailed …
[引用][C] Melt rheology of long-chain-branched polypropylenes
杉本昌隆 - Rheologica Acta (in press) - cir.nii.ac.jp
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