Stratek Plastic Ltd

Extensional / Elongational Flow Mixing
 

 

Events



September 29 - October 3, 2009
The New York Hotel &
Convention Center
Marne la Vallee, France

Pack Expo
October 5 - 8, 2009
Las Vegas
Convention Center
Las Vegas, Nevada  USA


Anuga Food & Beverage Fair
Oct 10-14, 2009
Koelnmesse
Cologne, Germany

 
in conjuction with the

American Meat Institute
Oct 28-31, 2009
McCormick Place
Chicago, Illinois   USA


May 16-20, 2010
Orlando World Center
Marriott Resort &
Convention Center
Orlando, Florida USA


June 7 - 10, 2010 
Fispal Food Service
Expo Center North
São Paulo - Brazil




 

 
Stratek Plastic Ltd

Welcome To Stratek

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Welcome to Stratek Plastic Ltd.

Tek-MixTM - Extensional / Elongational Flow Mixing
The Next Step in Mixing & Blending
  
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 Stratek's Tek-MixTM Technology Now Available from XALOY

 Xaloy nXmix™ Mixer Combines High Intensity With Low Shear and Heat


Through a worldwide license, Stratek Plastic Ltd. has issued  the rights to Xaloy, Inc. to construct and market plastics and rubber mixing machines based on Stratek's Tek-MixTM technology.   Xaloy has named this family of mixers the "nXmixTM Mixers" and it enters the market with a 50 mm unit, this first mixer being capable of processing 10 to 50 Kg per hour depending on application.

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Advances in Mixing & Blending

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Why settle for this?

10X Magnification
Extruder Only

When you can have this?

  

10X Magnification
Extruder + Tek-MixTM

25% Red pigment in HDPE
25% D&C Red #9 Organic pigment (Lake Red C), single screw extrusion at 10 X magnification, letdown into PE at 2%, shown on a compression molded sheet.
Same product, with Tek-Mix™ Mixer added, letdown  into PE at 2%, shown on a compression molded sheet. 

While these results come from single screw + Tek-MixTM treater processing, for information concerning Tek-MixTM improvements in twin-screw processing click here.

 Tek-MixTM  - Extensional / Elongational Flow
The Next Step in Mixing & Blending

 

Introduction: Carbon Nanotubes

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Carbon Nanotubes are being introduced for their enhanced performance. These include thermal and electrical conductivity, structural strength and stiffness, and thermal stability.  A recently performed test showed that the Tek-MixTM process can disperse and percolate carbon nanotubes such that a 3½ % carbon nanotube loading can be used in pure HDPE, versus typical levels of 7% (shown by the arrow in the graph). It is difficult to disperse CNT's in HDPE; thus, high loadings are normally required to compensate for incomplete dispersion.  As reported in Bayer literature, typical CNT dispersions have a large agglomerate size, such as shown below for Baytubes C 150P.  The objective is to turn 750 µm  particles, as received, into a network of fine nano fibers of diameter 1 to 2 nm.

For more information about this program and CNT materials in general,  click here..


Tek-MixTM - Extensional / Elongational Flow Mixing
The Next Step in Mixing & Blending





 
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Look for this symbol on boxes of samples from Stratek.  It is your guarantee that these samples were prepared using the latest in Extensional Flow Technology.


 
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On the Web:

U.S. Demand for Biodegradable Plastic To Reach 720 Million lbs in 2012

 
August 29, 2008 - The Society of Plastics Engineers (SPE) - Tech Focus Website (contact direct)  --   Demand for biodegradable plastic in the U.S. is projected to rise more than 15%/yr to 720 million lbs in 2012, valued at $845 million. Although representing less than 0.5% of all thermoplastic-resin demand in 2007, biodegradable plastic will have substantial growth opportunities. Escalating crude-oil prices have made biodegradable plastics, which are sourced from renewable resources, more cost-competitive with petroleum-based conventional resin. However, continued price declines are necessary for demand for biodegradables to grow, and among the threats to further declines in prices are rapidly rising prices for corn. These and other trends are presented in Biodegradable Plastic, a new study from The Freedonia Group, Inc.

"US demand for biodegradable plastic will grow 15.5 percent annually through 2012. Gains will be driven by escalating costs for petroleum-based resins and growing initiatives that favor renewable resources. Polyester-based and polylactic acid resins will grow the fastest, while starch-based types remain the largest segment." -  The Freedonia Group website


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Facts & Figures

U.S. Plastics Industry
Value of Industrial Shipments



*2003 data not available.
Includes NAICS 325211, 325991, 3261, 3332201, 33351105 and 424610 plus captives.
Source: SPI.

 
Numbers in the News:
 

 U.S. Demand for
Biodegradable
Plastics by 2012

$845 million

720,000,000 lbs

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Newsflash

From the Stratek Reading Room...

"The Materials Analyst, Part 98:  A Tour of the World of Nylon-Part 1"
An Article by Michael Sepe, published in Injection Molding Magazine - July 2008

Stratek has done considerable experimentation and material processing involving Polyamides (Nylon).  Therefore this article caught our eye when we found it in the July Issue of Injection Molding Magazine.   We think it addresses both the basics and some more advanced information concerning the differences in the chemistry and structure of these two important materials.

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