Polyethylene terephthalate (sometimes written poly(ethylene terephthalate)), commonly abbreviated PET, PETE, or the obsolete PETP or PET-P), is a thermoplastic polymer resin of the polyester family and is used in synthetic fibers; beverage, food and other liquid containers; thermoforming applications; and engineering resins often in combination with glass fiber.
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Types of plastic - polyethylene (HDPE or LDPE) found in plastic bags and shampoo bottles - polystyrene (PS) found in computer cases - polypropylene (PP) found in dishwasher safe containers - polyethylene terephthalate (PET) found in soda bottles - polyvinyl chloride (PVC) More generally speaking in engineering, plastics are divided into thermoplastic plastics and thermoset plastics These are based on their properties upon reheating after the plastic is molded. Thermoplastic plastics when heated will melt whereas thermoset plastics will not melt but only burn This is due to the way the branches of polymers coordinate. Thermoplastic plastics governed by largely van der waals forces. Thermoset plastics are crosslinked by covalent bonds
Many bottles now are actually made of poly-beta-hydroxybutyrate which is biodegradable. It's made in bacteria that uses this compound to store extra carbon, so there are enzymes that degrade it, in contrast to plastic, which takes hundreds of years to degrade.
"Polyethylene glycol has many uses, including many related to the human body. Polyethylene glycol or PEG is used in many laxatives. It is also found in many eye drop lubricants, toothpastes, skin creams and sexual lubricants."
The three main uses of ships are transportation of goods and people, fishing, and military operations.
cooling superconductors
Types of plastic - polyethylene (HDPE or LDPE) found in plastic bags and shampoo bottles - polystyrene (PS) found in computer cases - polypropylene (PP) found in dishwasher safe containers - polyethylene terephthalate (PET) found in soda bottles - polyvinyl chloride (PVC) More generally speaking in engineering, plastics are divided into thermoplastic plastics and thermoset plastics These are based on their properties upon reheating after the plastic is molded. Thermoplastic plastics when heated will melt whereas thermoset plastics will not melt but only burn This is due to the way the branches of polymers coordinate. Thermoplastic plastics governed by largely van der waals forces. Thermoset plastics are crosslinked by covalent bonds
It depends on the type of alcohol in question. Part of the recycling process involves reacting PE with ethylene glycol in order to retrieve the original monomers that can be re-polymerized into new plastic. Though not as widely used anymore, there is a similar reaction that uses methanol instead of ethylene glycol to isolate the dimethyl terephthalate monomer. So in short, yes alcohols can react with PE but it is usually not at STP.
Ethylene glycol is a simple compound used in antifreeze, while polyethylene glycol is a larger molecule used in various products like cosmetics and medications. The main difference is in their chemical structures and uses.
Polyethylene glycol is most commonly found in skin cremes and other beauty products. It is also found in lotions as it has many anti-aging properties.
Many bottles now are actually made of poly-beta-hydroxybutyrate which is biodegradable. It's made in bacteria that uses this compound to store extra carbon, so there are enzymes that degrade it, in contrast to plastic, which takes hundreds of years to degrade.
The main uses for grains is to feed birds!:)
1.The research is done on the polyethylene glycol for a gene theray......... 2.And also useful for the treatment of spinal injuries caused in the pig.....
"Polyethylene glycol has many uses, including many related to the human body. Polyethylene glycol or PEG is used in many laxatives. It is also found in many eye drop lubricants, toothpastes, skin creams and sexual lubricants."
the company's main uses of cash are ,to buy equipmentand to pay employees
Deposits as main source of Funds and Loans as main uses of funds in Bank.
Two main uses of rock are using them for building materials and industrial processes.
There are many main uses for UHF repeaters. Examples of the main uses for UHF repeaters include transmitting different audio paths and receiving different audio paths.