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6753373 |
Polyolefin compositions and method of use thereof in molded products
A polyolefin composition substantially free of elastomers (plasticizers), preferably crystalline polypropylene, modified by mixing with polybutene-1 and containing an exfoliated inorganic...
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6281290 |
Compositions, processes for making, and articles of polyolefins, high density polyethylene and hydrocarbon resin
Masterbatches comprising high density polyethylene (HDPE) are used for the production of polyolefin articles, particularly films. Employing HDPE in a masterbatch alone or in combination with a...
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6274656 |
Pelletizing aid for polymers
This invention relates to the use of a synergistic nucleating package to promote the rapid crystallization of polymers from the melt. This facilitates the ease of fabrication of extruded or molded...
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6255395 |
Masterbatches having high levels of resin
Masterbatch including at least about 65 wt % of resin having a R&B softening point as measured in accordance with ASTM 28-67. The masterbatch also includes a carrier polymer having a peak melting...
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6087446 |
Masterbatch formulations for polyolefin applications
Masterbatches comprising high density polyethylene (HDPE) are used for the production of polyolefin articles, particularly films. Employing HDPE in a masterbatch alone or in combination with a...
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5534593 |
Polymethylpentene/polypropylene blend and film
The present invention provides a composition comprising a blend of: (A) from about 90% to about 10% by weight of polymethylpentene, wherein the polymethylpentene has a molecular weight between from...
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H001301 |
Method for controlling polymer shrinkage
It is herein disclosed a method for controlling the shrinkage of parts formed from semi-crystalline polyolefin involving the addition of a suitable nucleant(s), in a suitable amount. This method...
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5258463 |
Blends for consumer waste bags
The invention relates to novel blend compositions comprising a linear low density copolymer of ethylene and a minor amount of an olefin containing 4 to 10 carbon atoms (LLDPE), and to films of...
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5242922 |
Blends of HDPE and polybutene
Novel blends of high density polyethylene compounded with a minor amount of an at least partially isotactic, partially crystalline butene-1 polymer comprising at least about 80 wt % of polymerized...
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