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Q.

What is plastic?give its properties

Asked by mahesh kale, 02 Dec '09 04:34 pm
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Answers (3)

1.

IT IS A polymer
Answered by saksham amar, 02 Dec '09 04:37 pm

 
  
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2.

A great polymer
Answered by anil garg, 26 Jan '10 10:32 pm

 
  
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3.

Due to their insolubility in water and relative chemical inertness, pure plastics generally have low toxicity in their finished state, and will pass through the digestive system with no ill effect (other than mechanical damage or obstruction).

However, plastics often contain a variety of toxic additives. For example, plasticizers like adipates and phthalates are often added to brittle plastics like polyvinyl chloride (PVC) to make them pliable enough for use in food packaging, children's toys and teethers, tubing, shower curtains and other items. Traces of these chemicals can leach out of the plastic when it comes into contact with food. Out of these concerns, the European Union has banned the use of DEHP (di-2-ethylhexyl phthalate), the most widely used plasticizer in PVC. Some compounds leaching from polystyrene food containers have been found to interfere with hormone functions and are suspected human carcinogens.

Moreover, while the finished plastic may be non-toxic, the mono ...more
Answered by MajorVLoganathan, 02 Dec '09 04:43 pm

 
  
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