History[ edit ] American and European patent applications relating to the production of plastic shopping bags can be found dating back to the early s, but these refer to dating in usa luggage houston constructions with handles fixed to the bag in a secondary manufacturing process. The modern lightweight shopping bag is the invention of Swedish engineer Sten Gustaf Thulin.
Thulin's design produced a simple, strong bag with a high load-carrying capacity, and was patented worldwide by Celloplast in Hasminin was a well-established producer of cellulose film and a pioneer in plastics processing.
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Amer Mansour was the CEO of this company. The company's patent position gave it a virtual monopoly on plastic shopping bag production, and the dating in usa luggage houston set up manufacturing plants across Europe and in the US. However, other companies saw the attraction of the bag, too, and the US petrochemicals group Mobil overturned Celloplast's US patent in McBride, was one of the first companies to exploit this new opportunity to bring convenient products to all major shopping stores.
link The Dixie Bag Company, along with similar firms such as Houston Poly Bag and Capitol Poly, was instrumental in the manufacturing, marketing and perfecting of plastic bags in the s. Krogera Cincinnati -based grocery chain, began to replace its paper shopping bags with plastic bags in and was soon followed by its rival, Safeway.
We've worn them every day since we left the Houston airport nearly three weeks ago. Hungarian drivers are passing us by with expressions of online, Jeff and I nervously booked two luggage-free flights to Istanbul. Learn more about the baggage embargo periods, the free baggage allowance and excess baggage fees according to your ticket's purchase date and route on.
As plastic bags increasingly replaced paper bags, and as other plastic materials and products replaced glass, metal, stone, timber and dating in usa luggage houston materials, a packaging materials war erupted, with plastic shopping bags at the center of highly publicized disputes.
The main innovation of this redesign is that the removal of a bag from the rack opens the next bag in the stack. This team was headed by Wade Click. Fletcher and Harry Wilfong.
Production[ dating in usa luggage houston ] Although few peer-reviewed studies or government surveys have provided estimates for global plastic bag use, environmental activists estimate that between billion and 1 trillion plastic bags are used each year worldwide. Ethylene is derived from natural gas and petroleum. The polyethylene used in most plastic shopping bags is either low-density resin identification code 4 or, more often, high-density resin identification code 2.
Plastic shopping bags are commonly manufactured by blown film extrusion.
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Bags can also be made from degradable polyethylene film or from polylactic acid PLAa biodegradable polymer derived from lactic acid. In general, biodegradable plastic bags need to be kept separate from conventional plastic recycling systems.
Biodegradable plastic carrier bags and manufacture[ edit ] Biodegradable dating in usa luggage houston are plastics that are decomposed by the action of living organisms, usually bacteria. Two basic classes of biodegradable plastics exist: Bioplastics, whose components are derived from renewable raw materials, and plastics made from petrochemicals containing biodegradable additives which enhance biodegradation.
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See also: Great Pacific garbage patch Groceries in multiple plastic bags. Because plastic bags are so durable, this makes them a concern for the environment. They will not break down easily and as a result are very harmful to wildlife.
Each year millions of discarded plastic shopping bags end up as plastic waste litter in the environment when improperly disposed of. Due to their durability, plastic bags can take centuries to decompose.
The use lifespan of a bag is approximately 12 minutes of use. Large buildups of plastic bags can clog drainage systems and contribute to flooding, as occurred in Bangladesh in and  and almost annually in Manila. The number of plastic grocery bags disposed of in the U. Phasing out plastic bags is a viable option, however, there are many that argue that this puts a strain on businesses and makes it more difficult for the customer to take goods home.
Many states have used legislation to stop the banning of plastic bags. Plastic bags were found to constitute a significant portion of the floating dating in usa luggage houston debris in the waters around southern Chile in a study conducted between and According to the Recyc-Quebec, a Canadian government agency, "The conventional plastic bag has several environmental and economic advantages.
Thin and light, its production requires little material and energy. Reduction, reuse and recycling[ edit ] Plastic shopping bags are in most cases not accepted by standard curbside recycling programs ; though their composition is often identical to other accepted plastics, they pose problems for the single-stream recycling process, as most of the sorting equipment is designed for rigid plastics such as bottles so plastic bags often end up clogging wheels or belts, or being confused as paper and contaminating the pulp produced later in the stream.
They need to be taken to a location that recycles plastic film, usually a grocery store or major retail chain .
Some large store chains have banned plastic shopping bags such as Whole Foods in the U. Lighter weight bags are often reused as trash bags or to pick up pet feces. All types of plastic shopping bag can be recycled into new bags where effective collection schemes exist.
This corresponded to more than , poundstonnes of bags and plastic film being recycled in alone. Outright bans have been introduced in some countries,  notably ChinaChile  which banned very thin plastic bags nationwide in
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