Article Archive

May 2014

Past Issues


Polyolefins Innovation: Automotive, Packaging, Pipe, Furniture, Flooring, Films
New materials and processes for injection and blow molding, extrusion, compounding, and thermoforming were discussed at the recent SPE Polyolefins Conference.

Blow Molder’s Goal: Go Local on a National Scale
It's a rare feat: Combining three formerly separate blow molders under one umbrella while retaining their individual identities and "small company feel" for customers.

Understanding Your Options In Multi-Axis Robots For Injection Molding
With so many choices available today, it’s important for molders to understand the pros and cons of Cartesian vs. articulated-arm robots and how their capabilities overlap more than ever before.

Granulate or Shred: Which Makes Sense for You?
That is the size-reduction question confronting many processors today. Look here for some guidance.

How Pre-Loaded Ultrasonic Welders Save Time in Automated Assembly
Pre-loaded assembly systems mounted on a robot arm are a relatively new, time-saving concept in ultrasonic welding that maintains precision and process repeatability.

Keeping Up With Technology

TESTING: Oxygen Permeation Instrument Reduces Test Times
Next-generation oxygen permeation test system with enhanced features.

MATERIALS: High-Performance PVC Slush Molding Compounds For Auto Interiors
New slush molding compounds meet tough low-temperature automotive requirements.

MATERIALS: Acetal Compounds With Enhanced Wear & Friction Resistance
Use of a proprietary polymeric alloy results in a lower specific gravity for these new wear and friction compounds.

MATERIALS: Rigid TPE for Mechanical Lock/Snap Fit Applications
New TPE series said to provide an excellent and durable surface.

COATING: Thermoplastic Antifriction Coating For Wear-Resistant Thermoplastics
LuV and Impreglon develop thermoplastic coating system for thermoplastic compounds that are injection molded into sliding and rolling components for machines and devices.

MATERIALS: Versatile Pre-Color Capstock Compounds for Building Products
The eCap capstock compounds come in a variety of material blends and can be combined with Americhem's nGrain simulated woodgrain.

Compounding: Modular System Can Now Be Shipped Faster
Krauss-Maffei Berstorff redesigns its ModulPlus line of twin-screw extruders to shorten delivery-lead times and reduce cost.

EXTRUSION: Feedblock Tuning Insert Lets Processors Keep Running
They are also said to allow for greater precision in layer-to-layer thickness control.

AUXILIARIES: Material Loading System Is Mobile, Dust Free
Aimed at dry powder bulk materials, system is completely enclosed.

EXTRUSION: New Process for Coex Vinyl Floor Tile
Process compounds, extrudes, and calenders PVC flooring in one step.

INJECTION MOLDING: Energy-Saving Large Hybrid Presses
Large hydraulic presses have servo-driven pumps.

INJECTION MOLDING: Flexible Hot-Runner Control Module
Single-zone temperature controller offers sophisticated features.

COMPOUNDING: Quick-Change Pelletizer Cutting Chamber Slices Downtime
New feature for large pelletizers cuts downtime.

EXTRUSION: Feedblock Tuning Inserts Keep Lines Running
Get finer tuning of coex film/sheet layer thickness without downtime.

AUXILIARIES: Vacuum Receiver with Pneumatic Dump Valve
Single, large filter cartridge allows fast changes.

Know How

EXTRUSION: Effect of the Screw Flight On Melt Temperature, Energy Use
So-called rules of thumb regarding the design of flight clearance and width do not consider the temperature effect, both from the point of view of melt temperature and energy efficiency.

MATERIALS: Melt Flow Rate Testing—Part 10
Two areas where the melt flow rate test it is not useful are related to processing.

INJECTION MOLDING: ‘Know Your Machine’
Many molders think they “know their machine,” but in reality do not. They get consumed by the demands of day-to-day production requirements and lose sight of the big picture.


100% biobased polyester charts course to commercialization
Avantium's PEF (polyethylene furanoate) holds much promise as a 100% biobased polyester, and now the company is taking steps to help the bioplastic fully realize that potential.

Acrylic Sheet Featured In Unique Reactive Art Installation
Evonik's Acrylite Sheet 'Rocks' In New Media Installation

Injection molded metals have their say at medical event
Injection molded plastics have long found new applications by replacing metals; but these days it is often injection molded metals that are replacing metal components formed by casting, machining, or other processes.

Engel to launch Asia-specific subsidiary at Chinaplas
Some nine years after breaking ground on its own press manufacturing site in China, Engel is reaffirming its faith in the Chinese injection molding market with the launch of a new operation, and brand, intended to serve what it calls the "large commodity applications segment."

Starting Up

Biomaterials Replace Most Plastic Parts In Concept Car
The Biofore Concept Car includes parts made of cellulose-reinforced PP and HDPE.

APPLICATION: Vacuum-Seal Juice Container Made Of Tritan Copolyester
This container maintains freshness 125-200% longer than standard food containers.

APPLICATION: Hybrid Electric Engine Covers Feature Very High-Flow Nylon 6
Up to 80% improved flow and cycle-time reductions from 15% to 40% is claimed.

MATERIALS: S&E Specialty Polymers Expands Its Toll Compounding
The company’s plant is equipped with a wide range of processing equipment combined with a state-of-the-art lab.

APPLICATION: Biobased Nylon Chosen For Ferrari and Maserati Fuel Vapor Separators
A halogen-free FR biobased nylon 410 grade from DSM "stars" in high-end sports cars.

Are Imported PET Preforms Likely To Hit Our Shores?
Several PET preform manufacturers from China, India and Pakistan are eyeing the U.S.

Ford Motor & Coca-Cola Get "Plastics From Renewable Sources Award"; Ford Highlights Other Developments
This is the first time Coca-Cola's PlantBottle Technology is being applied to a non-packaging application.

APPLICATION: First North American Recycle-Content PS Foam Food Tray Makes Debut
Containing 25% recycled PS, new Evoc packaging is being used in most of the line of fresh products from poultry cooperative Exceldor.

U.S. Investors Buy Negri Bossi Group
Negri Bossi may move some manufacturing to the U.S.

Erema Adds Novel System for Recycling Trials
Erema's latest system is now here.

Proprietary Oxygen Scavenger Is Dormant Until Needed
Technology for APET or CPET packaging gives a "designable" shelf life from 4 to 24 months.

‘Sandy’ Storm Victim Recovers Quickly
Quick service by an equipment supplier helped get a waterlogged plant back up and running.

Close-Up on Technology

Sleeve Labels Drive Packaging R&D
Machinery and material suppliers are collaborating on new labels that don’t gum up the lucrative PET bottle reclaim business.

For the Adventurous, Opportunities Beckon in Overmolding RFID Tags
Insert molding RFID tags and antennas is a growing market opportunity with relatively few players who have braved the challenges involved.

Modular Conveyors Help Molder Automate Quality Control
Easily reconfigurable belt conveyors provided one molder a convenient means of 100% QC inspection for tramp metal.

Market Watch

Rebound in Housing & Reshoring Improve Appliance Market
From September 2005 to February 2013, the annual rate of change in appliance production contracted.

Processor's Edge

Automation Pays for Itself At Port Erie
Four dozen robots have helped this molder realize a variety of efficiencies.

Recycled Resin Prices

RPET Pricing Up in the East, Down in the West
The problem is soft demand in the West and reduced supplies in the East.

Processor's Business Index

March Growth Fastest in Two Years
Processing market has expanded four of the last five months.

Resin Prices

Major Resin Prices Flat or Lower
Good news for buyers of PE, PP, PS, and PVC..


Support Manufacturing Day
Plastics processors need to take this nationwide, one-day event more seriously.

CW Brabender
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