PT ZONE: Additives

Polyone Sells PVC Resin Business, Forms New Sheet Division
WEB EXCLUSIVE: PolyOne Corp., Cleveland, has agreed to sell its vinyl dispersion, blending, and suspension resin assets to Mexichem, S.A.B., de C.V. of Mexico. More (+)
Improving Twin-Screw Compounding Of Reinforced Polyolefins
Compounders face a number of processing challenges when incorporating a high loading of low-bulk-density mineral filler into polyolefins. Here are some possible solutions. More (+)


MOST RECENT CONTENT: Additives

New U.S. Distributor for Elix Polymers ABS
2/26/2013Plastics Technology

Polymer Z, Birmingham, Mich., has been named the North American distributor of precolored ABS resins and ABS- and SAN-based polymer modifiers from Spain’s Elix Polymers.

New Technology Permits PVDF Foaming
2/26/2013Plastics Technology

New technology from Arkema Inc., Philadelphia, allows foaming its Kynar PVDF fluoropolymers, paving the way for new applications for foam-core pipe and sheet in aerospace, aircraft, and automotive.

Pallets, Pellets Use Old Tires as Feedstock
12/28/2012Plastics Technology

Custom injection and compression molder CTC Plastics, Dayton, Ohio, recently rolled out a line of pallets and will be supplying the resin compounds used to make them as well.

Biobased PHA Enhances PVC Processing & Performance
12/28/2012Plastics Technology

Metabolix, Inc., Cambridge, Mass., has developed a series of biobased PHA copolymers that act as impact modifiers, flexibilizers, and processing aids for rigid and flexible PVC.

Use MFR Cautiously with Filled Materials
7/30/2012Plastics Technology

If melt flow rate tests are used to evaluate the effect of processing on the average molecular weight of the polymer, the applicable rules must consider the contribution of the filler to the test result.

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OVERVIEW:
Additives

additives.jpg

Additives are materials that are added to the primary resin to improve the polymer’s processability or its performance or appearance in some way. They are used with virtually all polymers either at the compounding stage or during processing, when they may be dosed in via a blender. Some categories of additives include flame/smoke retardants, impact modifiers, process aids, colorants and clarifiers.


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