Polypropylenes and Methods for Making Them
A polypropylene comprising a xylene soluble fraction of 1.5 wt % by weight of the polymer and soluble fraction or less, wherein the polypropylene has a melt flow rate within a range from 50 g/10 min to 500 g/10 min and a flexural modulus within a range from 1780 MPa to 2200 MPa. The polypropylene is...
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| creator | Edwards, Todd S Bauch, Christopher G |
| description | A polypropylene comprising a xylene soluble fraction of 1.5 wt % by weight of the polymer and soluble fraction or less, wherein the polypropylene has a melt flow rate within a range from 50 g/10 min to 500 g/10 min and a flexural modulus within a range from 1780 MPa to 2200 MPa. The polypropylene is preferably made from contacting propylene with a solid magnesium/titanium catalyst component that has been washed at least once with a solvent having a desirable solubility parameter. |
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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Polypropylenes and Methods for Making Them |
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