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PLA POLYESTERS
CANVAS AND
WOVEN SYNTHETIC
PAPER BAGS

Alternative Materials to Plastic Bags

 

There have now been a number of available materials that may be used as a substitute to plastic bags. It may be compared based from it's composition, strength, durability, and uses.

     Reusable shopping bags is often made from fabric such as canvas, woven synthetic fibers, or a thick plastic that is more durable than disposable plastic bags, allowing multiple use.

 

     Reusable shopping bags are a kind of carrier bag, which are available for sale in supermarkets and apparel shops. Reusable shopping bags are now one of the primary alternative on people who do shopping, as it may be used again and it is capable of carrying heavier weight.

Polylactic acid, or PLA, is aliphatic polyester and one that can be made from lactic acid, which is produced via starch fermentation during corn wet milling.

 

Although most often generated from corn, PLA can be made from wheat or sugarcane as well. PLA can be decomposed within 47 days making it more environmental friendly than plastics.

  Paper bags are one of the most used alternatives to plastic bags. It has a low cost and can be easily recycled. A paper bag or Paper sack is a preformed container made of paper, usually with an opening at one end. It can be one layer of paper or multiple layers of paper and other flexible materials. Paper bags are used for packaging and/or carrying items.

 

     Multiwall (or multi-wall) paper sacks or shipping sacks are often used as shipping containers for bulk materials such as fertilizer, animal feed, sand, dry chemicals, flour and cement. Many have several layers of sack papers, printed external layer and inner plies. Some paper sacks have a polyethyelene foil or polyethylene coated paper layer in between as a water-repellant barrier.

 

© 2014 

by: Teddy Hung, Mina Kang, Vina Leonardo, Bea Oblepias, Kara Samonte

POLISCI L88 - Sir Antonio Jr. Pedro

De La Salle University - Manila

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