Additives

PET Processing - Extrusion 1 May 2004

Recycled PET/PE Alloys Show Promise In Monofilament, Pallets, Pipe

Alloys of polyethylene and recycled PET were the highlight of the annual SPE Global Plastics Environmental Conference (GPEC) in Detroit in February.

Elastomers 31 Mar 2004

POE Alloys Replace Liquid Plasticizers In High-Performance Flexible PVC

Flexible PVC doesn't have many friends these days.

nanocomposites 30 Mar 2004

New Clarifiers & Nucleators: They Make Polypropylene Run Clearer and Faster

New packaging opportunities are opening up for PP, thanks to a new crop of additives that boost clarity, stiffness, HDT, and processing rates.

Multiscrew 30 Mar 2004

Cut the 'Chatter' in Window Profile Extrusion

A new class of heat stabilizer and an unusual lubricant are said to allow high-speed extrusion of rigid PVC window profiles without such common problems as "chatter" lines, die plateout, and frictional heat build-up in the calibrator.

Additives 25 Mar 2004

Boron Nitride Processing Aid Boosts Quality of mLLDPE Film

Compounders and processors of mLLDPE blown film who are looking for improved processability and film quality at comparable or even lower total cost may want to take a look at a new family of boron nitride (BN) processing aids.

Multiscrew 24 Mar 2004

Polyurethanes 2000: The Clock is Ticking For HCFCs

The polyurethanes industry appears to have entered a new phase in its decade-long struggle to meet approaching deadlines for phasing out HCFC blowing agents in favor of “cleaner” alternatives for rigid foams.

Elastomers 24 Mar 2004

Materials Close-Up

To succeed in Detroit, it’s not enough for polypropylene-based TPO elastomers to be low-cost, lightweight, easily processable, and recyclable. They also have to look good for the life of the vehicle.

Pipe, Profile & Tubing Extrusion 24 Mar 2004

White Mineral Oil A New Way to Lubricate Rigid PVC

Processors of rigid PVC pipe, window profiles, siding, fencing, and doors can save money and speed compound mixing by using a new grade of white mineral oil as an external lubricant in place of the usual paraffin wax.