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Keyword: plastics

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  • A Different Kind of Plastic Shredder for 3D Filament Making

    06/14/2015 1:59:55 AM PDT · by 2ndDivisionVet · 3 replies
    Hackaday ^ | June 14, 2015 | James Hobson
    Haven’t you heard? You can make your own 3D filament nowadays from plastic granules (10X cheaper than filament), or even by recycling old plastic! Except if you’re recycling plastic you will have to shred it first… [David Watkins] came up with a different way of shredding plastic. Typically we’ve seen shrunken versions of giant metal shredders used to dice up plastic into granules that can be melted down and then extruded back into filament. These work with a series of sharp toothed gears that kind of look like a stack of circular saw blades put together inside of a housing....
  • Students design plastic recycler to make 3D-printing super cheap

    03/07/2015 12:44:10 AM PST · by 2ndDivisionVet · 7 replies
    VR-Zone ^ | March 7, 2015 | Kenny Doan
    A couple of forward-thinking engineering students from the University of British Columbia have put together a little machine that grinds up used plastics and turn them into usable filaments for 3D-printing. It’s called the ProtoCycler, and it’ll generate a kilogram spool of filament for free (negating the cost of electricity of course) if you have some soda pop bottles lying around. The concept behind the 3D-printer add-on was simple—combine a filament extruder and plastic grinder into one contraption. (COMPARISON-CHART-AT-LINK)The ProtoCycler can churn out 10 feet of filament a minute, which makes it the fastest extruder on the market according to...
  • The man who wants to build a plastics factory in North Dakota (Part 1)

    10/24/2014 9:47:15 PM PDT · by 2ndDivisionVet · 11 replies
    Bill Gilliam and North Dakota Gov. Jack Dalrymple announced two weeks ago that a venture called Badlands NGL is trying to build a petrochemical plant in North Dakota. The plant will use ethane, the cheap, abundant component of natural gas that rises from the same wells that produce oil in the Bakken. Natural gas in North Dakota is especially high in ethane content (see deck 39), and Gilliam thinks he can figure out a way to get enough of it in pure form to start cranking out train car loads of plastic beads for industrial use. A lot has to...
  • Infertility in Spanish Pigs Has Been Traced to Plastics. A Warning for Humans?

    06/18/2014 4:33:09 PM PDT · by Renfield · 68 replies
    National Geographic Magazine ^ | 6-5-2014 | Josie Glausiusz
    A strange catastrophe struck Spain's pig farmers in the spring of 2010. On 41 farms across the country—each home to between 800 and 3,000 pigs—many sows suddenly ceased bearing young. On some farms, all the sows stopped reproducing. On others, those that did become pregnant produced smaller litters. When investigators examined the sows and the semen that had been used to artificially inseminate them—it had been collected from different boar studs and refrigerated—they couldn't find anything wrong. The sperm cells weren't misshapen. None of the sows were diseased. No microbes or fungal toxins were detected in their feed or water....
  • Global demand, inexpensive natural gas are increasing domestic plastic production

    02/07/2014 4:49:05 AM PST · by thackney · 1 replies
    Energy Information Administration ^ | FEBRUARY 5, 2014 | Energy Information Administration
    Low U.S. natural gas prices have helped increase domestic plastic production after a decline from the 2008 recession. Because many U.S. plastic manufacturers use natural gas as their primary fuel source and natural gas-sourced liquids as a feedstock, continued low prices for those resources could boost raw plastic exports, given higher foreign energy prices. The United States supplies raw plastics, sometimes called resins, to domestic makers of plastic products, such as food packaging and toys. Raw plastics are also exported. During the economic downturn in 2008 and 2009, U.S. production of plastic products declined further than raw plastic production, and...
  • Will shale gas decimate China's toy makers? (Manufacturing moving back to the US?):

    03/27/2013 11:15:48 PM PDT · by 2ndDivisionVet · 12 replies
    Yahoo! Finance UK / Reuters ^ | March 28, 2013 | Clyde Russell
    Such is the impact of the shale gas revolution in the United States that it's quite possible that babies born today will no longer play with plastic dolls and cars made in China. It's almost become a fait accompli that China is the world's factory, but the early warning signs that this may be changing are starting to show. The advent of cheap natural gas in the U.S. is threatening to displace expensive naphtha in the production of petrochemicals, the key building blocks for plastics, synthetic fibres and solvents and cleaners. While the shale gas boom is certainly no longer...
  • Pexco selling sheet assets, closing South Carolina plant (147 full-time workers)

    12/16/2012 12:21:57 AM PST · by 2ndDivisionVet
    Plastics News ^ | December 14, 2012
    Pexco LLC is closing its West Columbia, S.C., plant and selling its extruded sheet-related assets to Plaskolite Inc. The 168,000-square-foot plant, which has 147 full-time workers, will shut down in 2013. “This has been a difficult decision but a necessary one for our overall business,” Pexco CEO Neil Shillingford said in a prepared statement. “Pexco’s core business is specialty plastics and profile extrusion. Extruded sheet has been a bit of an anomaly for us and after an in-depth review we have decided to sell this line of business and focus on our core capabilities.” Sheet products include lighting industry and...
  • AG Coakley OKs Concord plastic water bottle ban

    09/06/2012 12:59:57 PM PDT · by ex91B10 · 10 replies
    The Boston Herald ^ | September 5, 2012 | Ira Kantor
    It’s a watershed moment for Concord residents as single-serve plastic water bottles will be officially banned in the town, effective Jan. 1....state Attorney General Martha Coakley ruled that the controversial bylaw...does not violate state or constitutional law in any way.
  • Plastic-Eating Fungi Found in the Amazon May Solve World’s Waste Problem

    03/16/2012 10:58:09 AM PDT · by Twotone · 26 replies · 3+ views ^ | March 7, 2012 | Emma Hutchings
    A group of students and professors from Yale University have found a fungi in the Amazon rainforest that can degrade and utilize the common plastic polyurethane (PUR). As part of the university’s Rainforest Expedition and Laboratory educational program, designed to engage undergraduate students in discovery-based research, the group searched for plants and cultured the micro-organisms within their tissue.
  • Plastic, Heal Thyself

    04/24/2011 12:48:32 AM PDT · by neverdem · 6 replies
    ScienceNOW ^ | 20 April 2011 | Robert F. Service
    Enlarge Image Light Therapy. Metal atoms (circles) absorb UV light, allowing them to move and reform bonds with binding groups on polymers (semicircles), healing a damaged polymer. Credit: Gina Fiore for Adolphe Merkle Institute/Case Western Reserve University/US Army Research Laboratory. Leave your child’s plastic toys out in the backyard over the summer, and the sun’s ultraviolet (UV) rays bleach them and make them brittle. But UV light can be a healer, too, according to a new study. Researchers have created a polymer that mends itself when hit with a bright beam of UV light. The new self-healing plastic could...
  • New Method Swaps Pressurized Biomass For Petroleum in Plastics, Cosmetics

    09/07/2010 1:40:29 PM PDT · by Freeport · 12 replies
    Popular Science ^ | 09.03.2010 | Rebecca Boyle
    An accidental chemistry discovery could lead to a new method for making antifreeze, moisturizer and plastic bottles out of biomass rather than petroleum, according to researchers at Iowa State University. Professor Walter Trahanovsky was using a high-temperature chemistry process to see if he could obtain sugar derivatives from cellulose. It’s based on supercritical fluids, which are heated under pressure until their fluid and gas states merge. It is not quite as exotic as it sounds — supercritical carbon dioxide is used to decaffeinate coffee. Trahanovsky and his colleagues put cellulosic materials in alcohols and subjected them to high temperatures and...
  • Got an unwanted vuvuzela? Go sit on it…

    07/12/2010 2:06:02 PM PDT · by a fool in paradise · 34 replies
    Plastics and Rubber Weekly ^ | 12 July 2010 9:21 am GMT | Anthony Clark
    What will become of all those millions of vuvuzelas now that the World Cup is over? The answer is they are likely to be recycled into plastic park benches and buckets, according to Barry Turner of the Plastics 2020 Challenge “Many people have come to wish good riddance on the dreaded vuvuzela and I am happy to confirm that their wishes can come true as the instrument is completely recyclable so it need not end up in landfill,” said Turner. “This is just as well as according to the manufacturers over 800,000 were sold in South Africa and up to...
  • Potatoes, algae replacing oil in plastics

    12/21/2009 1:16:48 PM PST · by thackney · 22 replies · 611+ views
    Calgary Herald ^ | December 21, 2009 | Virginie Montet
    Frederic Scheer is biding his time, convinced that by 2013 the price of oil will be so high that his bio-plastics, made from vegetables and plants, will be highly marketable. Scheer, 55, is the owner of Cereplast, a company that designs and makes sustainable plastics from starches found in tapioca, corn, wheat and potatoes. He has believed for the past 20 years that the price of oil will eventually make petroleum-based plastics obsolete and clear the way for his alternative. "The tipping point for us is 95 dollars a barrel," he said. At that price "our product becomes cheaper" than...
  • Plastic chemicals 'feminise boys'

    11/17/2009 5:01:40 PM PST · by NormsRevenge · 35 replies · 1,076+ views
    BBC News ^ | 11/17/09 | BBC
    Chemicals in plastics alter the brains of baby boys, making them "more feminine", say US researchers. Males exposed to high doses in the womb went on to be less likely to play with boys' toys like cars or to join in rough and tumble games, they found. The University of Rochester team's latest work adds to concerns about the safety of phthalates, found in vinyl flooring and PVC shower curtains. The findings are reported in the International Journal of Andrology. Plastic furniture Phthalates have the ability to disrupt hormones, and have been banned in toys in the EU for some...
  • Study: Chemicals in plastic can make boys act more like girls.

    11/16/2009 6:24:09 PM PST · by GSP.FAN · 15 replies · 873+ views
    Ny Daily news ^ | Nov 16 2009 | Rosemary Black
    Chemicals found in many plastics are causing little boys to act more like little girls, according to new research.
  • Plastics Manufacturer Information (Vanity)

    03/10/2009 10:35:54 AM PDT · by teenyelliott · 24 replies · 602+ views
    me | 3/10/09 | me
    Pardon the vanity, but I need to tap into the vast knowledge and experience of the FReepers. I have a patent on a garden item, and I need a manufacturer. Any FReepers who might be in the plastics molding business, or know someone reputable who is, please list any information here or feel free to FReepmail me.I have no idea how the manufacturing process works, so any input is helpful. I know there will be several FReepers who can help me out with this. I do have a prototype and the drawings that were submitted with my patent paperwork that...
  • Conducting Plastics

    07/13/2008 6:40:27 PM PDT · by neverdem · 7 replies · 194+ views ^ | July 11, 2008 | Roni Barr
    Alberto Morpurgo and his team of researchers at Delft University of Technology in the Netherlands recently attached a micrometer-thick crystal of an organic polymer to a similarly thin organic crystal of a second polymer creating a thin but strongly conducting channel along the junction that acts like a metal. The discovery could lead to a whole new way of making electronics from non-metallic materials, and even new superconductors.   Dr Alberto Morpurgo (Credit: TU Delft’s Kavli Institute of Nanoscience) The thin, flexible crystals which conform to each others’ shape and stick together due to van der Waals forces are both...
  • Seattle to proposed Styrofoam ban and 20-cent fee for paper or plastic bags

    07/08/2008 5:55:53 AM PDT · by NavyCanDo · 78 replies · 267+ views
    Seattle Times ^ | 7-8-08 | Sharon Pian Chan
    Yoko Wang, owner of Toshio's Teriyaki in Rainier Valley, is not too worried about a possible ban on Styrofoam clamshells in Seattle. She's confident that biodegradable containers to keep her broiled, boneless chicken hot will be available by the time the city mandates the switch — in July 2010. She was shocked, however, to hear the ban would extend to plastics, right down to each chili-sauce container and fork. "Everybody is going to have to use chopsticks," Wang said after her Monday lunch rush. "I can give lessons." Today, the City Council will hold a public hearing on Mayor Greg...
  • Parents Switching to Glass for Baby's Bottle; Plastic Fears Affecting Sales

    12/26/2007 6:18:55 PM PST · by Diana in Wisconsin · 74 replies · 534+ views
    JSOnline ^ | December 26, 2007 | Susanne Rust
    Local moms are playing it cautious when it comes to their babies' bottles. Retailers throughout southeastern Wisconsin say they have seen a swell of interest in glass and bisphenol A-free baby bottles in the past few weeks. So much so that a store manager at USA Baby in Brookfield said manufacturers have been unable to keep up with his customers' demands. "We've really seen a surge in the last month," said Tom Blackmore, manager of USA Baby. "It's been hard to keep glass bottles in stock." A growing body of research indicates that bisphenol A - a chemical used to...
  • Fungus eats enduring plastic - Voracious microbe points way to recycling resins.

    06/07/2006 12:22:15 AM PDT · by neverdem · 25 replies · 2,669+ views ^ | 6 June 2006 | Helen Pearson
    Close window Published online: 6 June 2006; | doi:10.1038/news060605-5 Fungus eats enduring plasticVoracious microbe points way to recycling resins.Helen Pearson White-rot fungus normally feeds on rotting wood.Credit: Tom Volk A fungus that normally eats wood can also chew up some of the long-lasting plastic resins that clog landfill sites, researchers in the United States have found. This potentially offers an environmentally friendly way to recycle the waste. Phenolic resins are widely used to glue together plywood and fibreboard, and are commonly found in car mouldings. High pressure and heat are used to link together ring-shaped molecules of phenol with...
  • Plastic toys affect boys' hormones: Study

    11/26/2005 9:31:52 PM PST · by CarrotAndStick · 26 replies · 1,265+ views ^ | Sydney, November 26, 2005 |
    Plastic toys may have subtle effects on the male reproductive system, as chemicals found in products ranging from plastics to cosmetics may slowly reduce testosterone production in newborn boys, a new study has found. Danish paediatric endocrinologist Professor Niels Skakkebfk, of the Rigs hospitalet in Copenhagen, and team report their study of newborn exposure to phthalates in the journal Environmental Health Perspectives. "It gives a small piece of information that the newborn testis may be fragile to such toxins," Skakkebfk, was quoted by ABC Online, as saying. "Whether the effects will persist we can't tell but we were quite surprised...
  • Study Finds Genital Abnormalities in Boys

    05/28/2005 10:35:44 AM PDT · by neverdem · 53 replies · 2,403+ views
    LA Times ^ | May 27, 2005 | Marla Cone
    Widely used industrial compounds, called phthalates, are linked by researchers to changes in the reproductive organs of male infants. Scientists studying the effects of hormone-mimicking chemicals on humans have reported that compounds called phthalates, used in plastics and beauty products and widely found in people, seem to alter the reproductive organs of baby boys. In the first study of humans exposed in the womb to phthalates, the researchers, who examined the genitalia of male babies and toddlers, found a strong relationship between the chemicals and subtle changes in the size and anatomy of the children's genitals. Phthalates are ubiquitous compounds...
  • Business founded on fantastic plastic

    05/22/2005 9:25:51 AM PDT · by BenLurkin · 337+ views
    Valley Press ^ | on Sunday, May 22, 2005. | BRENNA HUMANN
    PALMDALE - On a quiet little side street in old suburban Palmdale, the non-descript storefront of Advanced Aquatic Technologies is hiding a business that makes possible almost all of the special effects related to water that Hollywood produces. In productions starring names from Janet Jackson to the Stone Temple Pilots, AAT Fabrication, Inc. and its 27 employees create the tanks that produce "80% of the water shots you see on TV" owner Lloyd Paddock said. Previously a banker from Northern California, Paddock said he started out simply keeping aquariums at home as a hobby. Later, he said, Pep Engineering, an...
  • Dioxin, plastics, microwave dangers, truth or hoax?

    03/28/2005 7:39:54 PM PST · by kralcmot · 26 replies · 6,459+ views
    email ^ | recent |
    What's New Cancer News from Johns Hopkins No plastics in microwave No water bottles in freezer No plastic wrap in microwave Johns Hopkins has recently sent this out in their newsletters. This information is being circulated at Walter Reed Army Medical Center. Dioxin Carcinogens cause cancer, especially breast cancer. Don't freeze your plastic water bottles with water as this also releases dioxin in the plastic. Dr. Edward Fujimoto from Castle hospital was on a TV program explaining this health hazard. (He is the manager of the Wellness Program at the hospital.) He was talking about dioxin and how bad they...
  • The Claim: Plastic Wrap in a Microwave Can Expose Food to Dioxins

    03/02/2005 1:54:52 PM PST · by neverdem · 36 replies · 3,073+ views
    NY Times ^ | March 1, 2005 | ANAHAD O'CONNOR
    REALLY? THE FACTS A widely circulated e-mail message has caused fears that heating plastics in the microwave can contaminate food with dioxins, a group of carcinogens. Experts say there is little truth to this: dioxins almost never turn up in commercial plastics. But Dr. Rolf Halden of the Johns Hopkins School of Public Health said another substance that gives many plastics their flexibility, called plasticizers, can migrate into food in small amounts. Plasticizers, unlike dioxins, are not known to be toxic. To be on the safe side, however, the Food and Drug Administration recommends that consumers use only plastic containers...
  • Plastics maker plans to close plants with 600 workers if no buyer

    02/04/2005 1:26:21 PM PST · by Willie Green · 5 replies · 574+ views
    The Pittsburgh Post-Gazette ^ | Feb 4 | Associated Press
    ANDOVER, Ohio (AP) -- A plastics maker has notified the state that it plans to close three plants that employ about 600 people in Ohio and Pennsylvania unless someone buys the bankrupt company. Andover, Ohio-based Buffalo Molded Plastics, which is doing business as Andover Industries, has filed notice with state officials in Ohio and Pennsylvania that the last day of work for employees would be March 31. Andover Industries filed for Chapter 11 bankruptcy protection in October. If a buyer doesn't come through, two plants in Meadville, Pa., that employ 250 and another plant in Andover with 342 workers would...
  • Plastics created from orange peel

    01/20/2005 10:33:06 AM PST · by ijcr · 21 replies · 704+ views
    BBC NEWS ^ | 20 January, 2005 | A.N.Other
    US scientists have discovered a way to make plastics from orange peel, using the greenhouse gas carbon dioxide. Cornell University researchers created a novel polymer using CO2, an oil present in orange peel and a catalyst that speeds the reaction along. The team hopes CO2 could one day be collected for making plastics instead of being pumped into the atmosphere. Details of the research in the Journal of the American Chemical Society. What's exciting about this work is that from completely renewable resources, we were able to make a plastic with very nice qualities Limonene is a carbon-based compound that...
  • New plastic can better convert solar energy

    01/10/2005 12:07:43 PM PST · by ckilmer · 65 replies · 2,215+ views
    Canadian ^ | Sun. Jan. 9 2005 11:54 PM ET | Canadian Press
    New plastic can better convert solar energy Canadian Press TORONTO — Researchers at the University of Toronto have invented an infrared-sensitive material that's five times more efficient at turning the sun's power into electrical energy than current methods. The discovery could lead to shirts and sweaters capable of recharging our cellphones and other wireless devices, said Ted Sargent, professor of electrical and computer engineering at the university. Sargent and other researchers combined specially-designed minute particles called quantum dots, three to four nanometres across, with a polymer to make a plastic that can detect energy in the infrared. Infrared light is...

    08/16/2002 7:39:49 AM PDT · by Merchant Seaman · 735 replies · 30,137+ views
    Annoyed Reader
    The purpose of's multiple message boards is to limit the topics for each board to particular topics. Posting the same message on all the boards defeats the purpose of multiple-boards for special topics. It is very annoying to see the same message on every bulletin board. PLEASE! DO THE READERS A FAVOR. STOP CROSS-POSTING YOUR MESSAGES!
  • Bush Visit Could Cost Some Omaha Workers a Day's Pay (More Dem Desperation!)

    05/11/2003 12:53:00 AM PDT · by FairOpinion · 20 replies · 257+ views
    Washington Post ^ | Mike Allen
    Stop on President's Tax Cut Tour Aimed at Neb. Senator Would Close Plant for Most of Two Shifts. SANTA FE, N.M., May 10 -- About 340 workers at an Omaha plastics factory will lose pay or have to work next Saturday to make up for time lost during a visit by President Bush on Monday to promote his "jobs and growth plan," their boss said today. Brad Crosby, president of Airlite Plastics Co., said about 170 of his workers will lose a full day's pay and another 170 will be docked for part of their pay for Monday unless they...
  • Better Warheads Through Plastic

    12/03/2002 4:43:23 PM PST · by blam · 2 replies · 322+ views
    Source: Office Of Naval Research Date: 12/3/2002 Better Warheads Through Plastics Shooting down enemy air threats--whether they're ballistic missiles, cruise missiles, or aircraft--is a tactical problem that leaves little room for error. The targets move fast and must be verifiably, catastrophically, destroyed. An incoming missile hit and broken into pieces by an air defense missile can be as dangerous as one that lands intact. The Iraqi Scud missile that killed so many American troops at their Saudi base during the 1991 Gulf War is sad evidence of that risk--it had apparently been hit by a Patriot missile on its way...
  • Time for Asia's plastic sector to look west

    10/28/2002 6:53:52 AM PST · by batter · 1 replies · 147+ views
    Asia Times ^ | 28 October, 2002 | Mark Lees
    Leading Asian machinery original equipment manufacturers (OEMs), attracted by the size of the market - for example, 20,000 injection molding machines per year - have been investing heavily to manufacture and to sell lower-quality machinery into mainland China. National and "nationalized" Chinese machine manufacturers are now, in an overcrowded environment, too busy trying to prevail in a lower-than-expected growing market. For instance, the increasing political uncertainty regarding cross-Strait negotiations between China and Taiwan and the continued over-concentration of investment in mainland China can only have negative effects on the manufacturing base within Asian countries. In effect, the Chinese market, while...