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Moplen HP 501 L) are from LyondellBasell and the long-chain branched polypropylene (WB 135 HMS) comes From Borealis.
[FIGURE 14 OMITTED] [FIGURE 15 OMITTED] CONCLUSIONS In this work, we have investigated the effects of adding a long-chain branched polypropylene (LCB-PP) into a linear-polypropylene (L-PP).
Polyethylene resins can be modified using peroxides or air or by mixing with long-chain branched polyethylene resins.
EXPERIMENTAL MATERIALS AND METHODS Materials A series of sparsely long-chain branched and linear metallocene-catalyzed high-density PE (HDPE) homopolymers PEs with varying degrees of LCB made available by the Dow Chemical Company were used.
3) found that the strain hardening of PP blends decreased as the strain rate increased whereas for the neat long-chain branched polypropylene (LCB-PP) enhancement of strain-hardening was observed.
o]), and the storage modulus (G') showed no evidence of the low-frequency plateau that is observed for long-chain branched polyolefins (20), (21).
14 the thermoforming of a long-chain branched polypropylene is described.
There is no evidence that the molecular architecture, as in branching points in the long-chain branched PPs, should have any influence on cell nucleation.