polyolefins

Postconsumer

Several PP Products Now Eligible for "Widely Recyclable" Label

How2Recycle labeling program upgrades status of PP tubs, bottles, jugs, and jars.

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polyolefins

Melt Flow Rate Testing–Part 1

Though often criticized, MFR is a very good gauge of the relative average molecular weight of the polymer. Since molecular weight (MW) is the driving force behind performance in polymers, it turns out to be a very useful number.

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Commodity Resins

PP Compounds for Foam Injection Molding

SABIC’s new mineral-reinforced PP compounds said to deliver excellent aesthetics for visible automotive interior parts with complex geometries.

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processing tips

Formulating LLDPE/LDPE Blends For Abuse–Resistant Blown Film

A new study shows how the type and amount of LDPE in blends with LLDPE affect the processing and strength/toughness properties of blown film. Data are shown for both LDPE-rich and LLDPE-rich blends.

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Commodity Resins

Density & Molecular Weight in Polyethylene

This so-called 'commodity' material is actually quite complex, making selecting the right type a challenge.

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LLDPEs Combine Stiffness, Toughness & Easy Processing

ExxonMobil’s new Exceed S series can reduce the complexity of film structures and formulations while boosting processability and film performance.  

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color

Colorants with Synthetic Leather Look for HDPE Blow Molded Packaging

  Ampacet’s Synthetic Leather color palette projects luxury look of leather.  

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polyolefins

Revolution Gets First-of-its-Kind LNO for Food-Contact PCR-LLDPE

The company’s PCR can be used at content levels up to 100% in the manufacture of food-contact articles for all food types under nearly all conditions of use.  

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polystyrene

Prices Firm for Polyolefins, PS and PET

PVC prices have the weakest outlook among commodity resins.

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Novel LLDPEs Enable Films that Are 'Ahead of Their Time'

ExxonMobil’s new Exceed XP 7 series boasts remarkable mechanical performance combined with low density and fractional melt index.  

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