Polymer additives for Pipe Extrusion

Hyperform® HPN® 20E by Milliken is a high performance nucleating agent for polypropylene. It offers excellent stiffness/impact balance, unique isotropic shrinkage and superior CLTE performance. It has excellent nucleation performance to maximize processing speed, consistent processing, cycle time reduction (more caps/minute) as well as improved quality-less defects such as sink marks. Exhibits better dimensional stability. It is used in automotive, appliances, pipe extrusion and closures. Hyperform® HPN® 20E is suitable for processing by injection molding, thermoforming, extrusion blow molding, rotomolding and blown film extrusion.

Ken-React® KR® TTS supplied by FARRL is a titanate product based on titanium IV, class monoalkoxy, with isostearoyl functionality. It has low viscosity and solid content of min. 95%. It helps in adhesion promotion, coupling and dispersing of substrates (inorganics, organics, pigments, fibers, etc.), rheological adjustments of the base resin and filled systems, corrosion inhibition and improved acid resistance, improvement of flame retardants, metallocene-like catalysis and hydrophobizing of fillers and pigments in a wide range of applications. It is also available as dry-liquid powder under the name Ken-React® CAPOW® KR® TTS/H for powder-based productions and as pelletized masterbatch under the name Ken-React® CAPS® KR® TTS/L for productions based on pellets. Ken-React® KR® TTS is used in the processing of elastomeric, thermoset and thermoplastic polymers. The product has a shelf life of minimum 3 years after production. FARRL is the exclusive and authorized distribution and technical advisory service partner for Germany, Austria and all EU-CEE countries.

Dynamar™ FX 5911 by 3M is fluoropolymer-based processing aid. It improves extrusion processing of polyolefins and other thermoplastic resins, and can offer performance and cost benefits in a wide range of polymers. It is particularly useful at low levels in reducing extruder die build-up. This additive shows excellent thermal stability for high temperature processing. It is ideal for use in high viscosity, high molecular weight polyolefins. Dynamar™ FX 5911 lowers apparent melt viscosity and speeds colorant change. Also, reduces or eliminates melt fracture and can reduce extruder torque. It is used in LLDPE, LDPE, HDPE and PP. It is suitable for film, pipe and blow molding processes. This product allows for longer defect-free run times and improved gauge uniformity in cast film, BOPP processes and reduced fiber breakage in monofilament and fiber processes. Recommended for bottles, pipes and other HMW-HDPE articles with improved surface finish and quality. The typical usage level is 200-1000 ppm. It is FDA approved. The shelf life of this product is 2 years.

Viton™ FreeFlow™ Z110 by Chemours is a polymer processing aid. It combines improved fluoroelastomer rheology with polyethylene glycol (PEG) as an inter-facial agent to control the particle size delivered to the die. It reduces or eliminates melt fracture, lowers extrusion pressure and reduces amperage, torque & die buildup. It enhances rates of conditioning during start-up of new formulations on clean dies or purged systems and performance on difficult lines where other process aids require high levels. It increases additive efficiency particularly on lines where frequent formula changes are made or in formulas containing multiple additives, economics and extended running time between die cleanings. It can typically reduce PEG levels in films by a factor of 3. Viton™ FreeFlow™ Z110 is suitable for use in dosage during production of solution LLDPE (either direct or via masterbatch) and high concentration masterbatches (2 to 4% process aid), particularly with LDPE carrier. It also finds application in all extrusion processes (film, pipe) using 3 MI or more LLDPE, LLDPE/LDPE blends or mLLDPE/LDPE blends, extrusion under low shear mixing condition. It is approved for food contact uses and suitable for potable water appliances. The shelf life of this product is 4 years at storage temperature below 27°C.

Hiformer™ Non-PFAS Process Aids by Avient (Formerly PolyOne) are non-PFAS polymer process aids for extrusion in polyolefins. They reduce friction between molten polymer and metal during extrusion to eliminate melt fracture and die buildup.

• They are formulated without fluorochemicals and do not contain siloxanes.
• They are suitable for polyethylene and polypropylene.
• They reduce melt fracture (shark skin).
• They reduce die buildup (die drool).
• They improve process efficiency.
• They reduce power requirements.
• Hiformer™ Non-PFAS Process Aids offer low concentration efficiency.
• They retain ability to seal and print.
• They do not interact with other additives.
• They are suitable for blown film, profile extrusion, tubing and pipe extrusion, wire and cable, and extruded sheet.

Baeropan TX 9424 RS by Baerlocher is a calcium-based stabilizer. It is suitable for rigid PVC (polyvinyl chloride) co-extrusion process, whereby thin solid inner and outer walls are extruded onto a cellular core layer. The applications include sidings, gutters, and compact skin foam core pipes. Recommended dosage of Baeropan TX 9424 RS is 3.8 phr.

Baeropan 9423 R by Baerlocher is calcium-based stabilizer. It contains co-stabilizers in order to enhance heat stability, color hold and weathering properties. It exhibits light and weathering resistance and offers good mechanical properties. It suitable for rigid PVC (polyvinyl chloride) pipe extrusion. Applications include sidings, gutters and corrugated land & drainage pipes. Recommended dosage of Baeropan 9423 R is approx. 2-2.6 phr.

Plastistrength® 530 by Arkema is a high molecular weight acrylic processing aid with high hot melt strength. It provides the unique combination of quick fusion with low viscosity that maximizes output. It is widely used in exterior PVC building products where good weathering performance is critical.

• Provides a uniform, closed-cell structure in cellular PVC.
• Offers enhanced processability to high output extrusion, foam and highly filled compounds.
• Plastistrength® 530 is recommended for profiles, foam pipe, foam profiles, foam sheet, wood composites and flexible vinyl applications.

Viton™ FreeFlow™ Z150 by Chemours is fluoroelastomer-based, polymer process aid. It improves rates of conditioning during start-up of new formulations on clean dies or purged systems. It enhances performance on difficult lines, where other processing aids require high levels in the broadest range of shear rate. It increases additive efficiency, particularly on lines where frequent formula changes are made or in formulas containing multiple additives. It helps in extending running time between die cleanings. It reduces die build-up, die-pressure, amperage, torque, melt fracture. Viton™ FreeFlow™ Z150 is used for low concentration masterbatches (typically, 2% process aid) in LLDPE carrier (5 MI or less) or can also be used up to 4% in highly-concentrated masterbatch. Recommended direct dosage during production of gas phase LLDPE (1.0 MI or more), solution phase LLDPE (either direct or via masterbatch) and all extrusion (pipe) processes using 3MI or less LLDPE, mLLDPE or HDPE, LLDPE/LDPE blends, or LLDPE/LDPE blends, including also pigment or anti-blocking agent. It is suitable for potable water appliances and approved for food contact uses. The shelf life of this product is 4 years at storage temperature below 27°C.

Viton™ FreeFlow™ Z200 by Chemours is a polymer processing aid. It eliminates melt fracture, lowers extrusion pressure, reduces amperage & torque and die buildup.

• It enhances rate of conditioning during start-up of new lines or purged systems and performance on difficult lines or with difficult formulations without the need for high additive levels often required with other process aids.
• It provides excellent thermal stability (up to 300°C) for cast film lines where polyethylene glycol-based process aids may degrade.
• It offers improved performance in masterbatches containing pigments or high filler loading and improved resistance to negative interactions with other additives like HALS, fillers, and anti-block.
• It combines improved fluoroelastomer rheology with a non-blooming and proprietary inter-facial agent to control the fluoroelastomer particle size delivered to the die.
• Viton™ FreeFlow™ Z200 is suitable for direct dosage during production of gas phase LLDPE (1.0 MI or less) and low concentration masterbatches (typically, 2% process aid) in LLDPE carrier (5 MI or less).
• It is also designed for all extrusion processes (film, pipe) using 2 MI or less LLDPE and mLLDPE or HDPE, particularly with high pigment or anti-block loadings, extrusion under conditions that promote mixing, such as high back pressure (from narrow die gaps or tight screen packs) or high shear screw elements like Maddock tips.
• It is approved for food contact uses and suitable for potable water appliances.
• The shelf life of this product is 4 years at storage temperature below 27°C.