Polyethylene Preparation

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Polyethylene terephthalate a synthetic resin made by copolymerizing ethylene glycol and terephthalic acid, widely used to make polyester fibers. It's a plastic resin and the most common type of polyester. Two monomers—modified ethylene glycol and purified terephthalic acid—are combined to form the polymer called polyethylene terephthalate. oca-Cola’ in Atlanta ,Georgia. It is non –alcoholic , balancing acidity, sweetened by the addition of sugar ,carbonated beverage, usually commercial prepared and solid in bottles or cans. It is source of energy also. In India carbonated industry is worth Rs.60 billion .The total market is estimated to be around 284 million crates.
Benefits Of Ingredients in Soft Drinks –
Carbonated water : Carbonated drinks
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Products-Soft drinks with a certain level of carbonation (from 2 vol. to 4.5 vol. of CO2).
There are no special requirements for bottling carbonated soft drinks, while it is very important to optimize the manufacturing process of a CSD bottle (preform project – process) to reach physical-mechanical characteristics required by the product.
The main requirements of a carbonated soft drink container are:
1) Preserve CO2 levels inside the packaging. This is important especially for small size
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It's a common misconception that refilling or reusing a PET bottle will somehow cause the bottle to degrade or to release harmful substances. PET is a stable, inert material that doesn't biologically or chemically degrade with use, and is resistant to attack by micro-organisms. Regulatory authorities have tested PET bottles and found no harmful substances in either new or re-used PET bottles .
Advantage of PET (Polyethylene terephthalate is the fastest growing type of packaging.
PET Plastics –
Polyethylene terephthalate (PET) are made for two primary processes for producing a PET package are -
1) Thermoforming.
2) Blow Molding.
1) Thermoforming- It ia process by which a sheet of PET plastic is heated and shaped using a mold into the desired shape.

2) Blow Molding – It is typically used to make containers with narrow mouths.

Chapter-3
3.1MATERIAL AND METHOD:
PET (Polyethylene terephthalate) in Carbonated soft drinks of PET plant .The
These are the product which is used in PET Plant are Preform, closure, labeller

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