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Home   Membership   Technical Resources   Events   Technical Groups   Online Store Nov. 16, 2011


Chemical process could lead to lighter, stronger plastics
The Engineer    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Edinburgh University scientists have devised a chemical process that could produce lighter, stronger plastics. The team, which has been working in conjunction with researchers at Finland's Jyväskylä University, has managed to tie molecules at the nanoscale into complex knots that could give materials increased versatility. More



SPE HIGHLIGHTS


Stress and dispersive mixing revealed in real time during melt blending
SPE Plastics Research Online    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Twin screw extrusion is a standard technique used to mix or react polymeric materials. Two screws of varying widths and shapes rotate within a barrel. They can spin at varying speeds, interlocking or not, and either clockwise or counterclockwise, to mix the material and extrude it in the desired manner. But the specific strength and duration of the stress experienced by material passing through a twin screw extruder is unique to a particular configuration of screws, forcing engineers to calculate a unique stress map for each new configuration. More




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Nanoscale electrospun ferroelectric polyvinylidene fluoride fibers
SPE Plastics Research Online    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Materials that display piezoelectric behavior have garnered substantial interest for use in applications such as sensors and actuators. Among all the polymers studied so far, polyvinylidene fluoride and its copolymers are most widely used for engineering applications because of their favorable piezoelectric coefficients. Typically, PVDF can crystallize in five different forms. More

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NFM Welding Engineers
NFM designs and builds single and twin screw extruders, components and entire systems for the plastics and rubber industries throughout the world. Visit NFM on the web at www.nfm.net or contact one of NFM’s extrusion engineers 330-837-3868 to discuss your needs.



PLASTICS INDUSTRY NEWS


Lawmakers talking trash
The Miami Herald    Share    Share on FacebookTwitterShare on LinkedinE-mail article
The past several years have seen a groundswell of bans on plastics - from plastic bags to foam cups. The rationales for such policies range from downright foolish to simply misguided. Lawmakers offer the more outlandish claims. For example, California state Sen. Alan Lowenthal recently told the press that his bill to ban foam cups and packaging is "a job booster for California." Italy's Minister of the Environment exclaimed last January that her nation's ban on plastic bags was "a great innovation." Goodness, where do they come up with this stuff? More



Plan to ship ethane through Philadelphia may not sail smoothly
Philadelphia Inquirer    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Despite having the apparent support of Congress, Sunoco's plan to transport ethane from the Marcellus Shale through the Philadelphia area is far from a sure bet. Energy analysts say that the Mariner project, which would pipe ethane derived from shale gas to a Sunoco dock on the Delaware River and then by sea to the Gulf Coast, is an unlikely path for the commodity to find its way to market. Ethane is a valuable raw material for manufacturing plastics. More

Coca-Cola unveils plastic recycling scheme for London 2012
Environmental Data Interactive    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Coca-Cola has announced it is planning to recycle all clear plastic waste collected at the London 2012 Olympic and Paralympic Games into 80 million new coke bottles. The pledge forms part of Coca-Cola's drive to achieve its most sustainable sponsorship deal to date and falls in line with the London Organising Committee of the Olympic and Paralympic Games pledge to make the games the most sustainable yet. More

Wittmann Drymax Material Dryers

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Congressmen ask for review of styrene safety
Plastics News    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Fifty members of the U.S. House of Representatives have sent a letter to the White House, asking for a National Academy of Sciences review of the chemical styrene. The letter, sent Nov. 9 to White House Chief of Staff William Daley, comes six weeks after 21 companies from the American Composites Manufacturers Association sent a similar letter to Daley, saying that without a review by NAS of the safety of styrene their companies and the thousands of workers they employ are in jeopardy. More


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Plastics makes packaging machinery cleaner, greener
Plastics Today    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Packaging machinery must run fast and perform a variety of functions from forming, filling, labeling, vision inspection and other highly automated actions, that must also be clean. That's why one primary packaging equipment manufacturer made the choice to replace metal recirculating ball bearings after they caused shaft damage and grease leaks with new DryLin R lubrication-free plastic linear bearings from igus Inc. on its packaging machines. More

New Chemistry for a Mature Industry

Cray Valley Hydrocarbon Specialty Chemicals is a Global manufacturer of specialty low molecular weight functional additives based on a variety of unique chemistries.
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Chinese plastic product exports expected to drop 20 percent this year
Plastics News    Share    Share on FacebookTwitterShare on LinkedinE-mail article
China's plastic product exports are expected to drop roughly 20 percent this year, with the steepest declines to the U.S., Europe and Japan, but companies that focus on the country's domestic market seem to be faring better. At least that was the projection from several economic analysts speaking at a recent plastics conference in China. More

Export PET prices from China fall to 2011 low on softer PTA, slow demand
Chemorbis    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Export PET prices from China have declined to their lowest levels since December 2010 as weaker feedstock prices and slower global demand have pressured sellers to reduce their prices. Export PET prices have been declining steadily since mid-September and have lost a cumulative total of $280/ton over the last eight weeks. More



Polymers embedded with nanoparticles learn to dance
Nanowerk    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Polymers are convenient instruments for producing mechanical motion at the microscale through their ability to change shape and orientation in response to electric fields, heat and light. Mixing magnetic materials into the polymers also makes it possible for them to respond to magnetic fields. However, the types of motion achievable using these stimuli have so far been restricted to simple movements such as bending, rotation and linear translation. More



Sika Sarnafil recognized by SPE with award
Recycling Today    Share    Share on FacebookTwitterShare on LinkedinE-mail article
The Society of Plastics Engineers has given its Winning the Plastics Recycling Technologies and Applications Award to Canton, Mass.-based Sika Sarnafil, for its roof recycling program. Through the program, the company recovers and recycles roofing membrane into new roofing products. The program already had been recognized by the Massachusetts Executive Office of Energy and Environmental Affairs in 2009. More

Papico appointed UK agent of leading US bioplastic company
Packaging Europe    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Yorkshire-based paper agency Papico has been appointed U.K. agent to a leading U.S. bio plastic technology company DaniMer to help it to market its revolutionary plant-based renewable hot melt adhesive to the U.K. carton industry. The Georgia-based company also develops bio-degradable plastics and extrusion coatings in addition to hot melt adhesives – all of which are aimed at reducing the dependence on petroleum. More

Self-Lubricating Components
MBI's new line of self-lube components offers customers the latest technology in clean-room molding. The aluminum bronze material with graphite plugs gives a constant lubrication, eliminating maintenance, reducing contamination and reducing cost on machining mold bases since grease lines are no longer necessary. Our full line of products is available in special sizes to fit customers' needs, all with a same day shipping guarantee. more


Malaysian plastic industry players urged to invest in new technologies
Bernama    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Malaysian plastic industry players have been urged to invest in and adopt new technologies in order to stay relevant and competitive in the challenging environment. Deputy Minister of International Trade and Industry, Datuk Jacob Dungau Sagan, said the new technologies and innovations would definitely be useful in competing globally. More

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NEW SYNTACTIC FOAM MACHINING TOOLS
CMT Materials, Inc. now offers a wide selection of competitively priced, solid carbide tools optimized for the machining of syntactic foam plug assist materials. Guidelines are provided for machining feeds and speeds to provide excellent results and often eliminate the need for any plug polishing. Call 508-226-3901 or visit www.cmtmaterials.com.
Seal Cut - High Quality and Versatility
The new high-speed Seal-Cut sealing system for plastic film offers an original, innovative solution for machine direction sealing. The Seal-Cut is capable of producing high quality, sealed edges in a wide variety of film applications. The stand-alone design allows it to be free standing or easily attached to winders, bag-making machines and rewinders. More info
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SPE Industry Update
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