Search results
Results from the WOW.Com Content Network
A plastic bag, poly bag, or pouch is a type of container made of thin, flexible, plastic film, nonwoven fabric, or plastic textile. Plastic bags are used for containing and transporting goods such as foods, produce, powders, ice, magazines, chemicals, and waste. It is a common form of packaging.
HDPE is known for its high strength-to-density ratio. [4] The density of HDPE ranges from 930 to 970 kg/m 3. [5] Although the density of HDPE is only marginally higher than that of low-density polyethylene, HDPE has little branching, giving it stronger intermolecular forces and tensile strength (38 MPa versus 21 MPa) than LDPE. [6]
The Sonali Bag is a cellulose-based biodegradable bioplastic alternative to plastic bags, particularly polythene bags. The cellulose used in Sonali Bags is extracted from jute, a major vegetable fiber crop grown across the globe. "Sonali Bag" was named by Bangladesh Prime Minister Sheikh Hasina in 2017. The Sonali Bag (biopolymer) is made of ...
A 50 cent plastic bag levy was implemented on 1 April 2015 across Hong Kong. The use of plastic bags dropped 90% after the introduction of the levy. [79] Signs show that Hong Kong is phasing out the use of plastic bags at a dramatic rate. A sign proclaiming that polythene bags thinner than 30 μm are prohibited in Kasaragod, Kerala, India.
Plastic bags were found to constitute a significant portion of the floating marine debris in the waters around southern Chile in a study conducted between 2002 and 2005. [29] Plastic bags don't do well in the environment, but several government studies have found them to be an environmentally friendly carryout bag option.
U.S. Attorney for the District of Columbia Matthew Graves on Monday announced his plan to step down from his role in the days before President-elect Donald Trump's inauguration. Graves, who was ...
Transfer red frosting and remaining white frosting to 2 separate piping or plastic bags. Snip off a corner of each bag. Pipe red and white stripes around the outside of cake.
Polyethylene was first synthesized by the German chemist Hans von Pechmann, who prepared it by accident in 1898 while investigating diazomethane. [12] [a] [13] [b] When his colleagues Eugen Bamberger and Friedrich Tschirner characterized the white, waxy substance that he had created, they recognized that it contained long −CH 2 − chains and termed it polymethylene.