What Are Polymers

What do DNA, a plastic bottle, and wood all have in common? Give up? They are all polymers!

Polymers are very large molecules that are made up of thousands - even millions - of atoms that are bonded together in a repeating pattern. The structure of a polymer is easily visualized by imagining a chain. The chain has many links that are connected together. In the same way the atoms within the polymer are bonded to each other to form links in the polymer chain.

The molecular links in the polymer chain are called repeat units that are formed from one or more molecules called monomers. The structure of the repeat unit can vary widely and depends on the raw materials that make up the polymer. For example, polyethylene, the polymer used to make a wide variety of plastic bags and containers, has a very simple repeat unit, two carbons that are bonded to one another to form a single link.

طبقه بندی: اطلاعات پلیمری،
برچسب ها: polymer، chain، molecular، monomer، material،

تاریخ : سه شنبه 7 دی 1395 | 12:38 ق.ظ | نویسنده : Arash Sadeghi | نظرات
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Molecular Shape and Orbital Hybridization

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طبقه بندی: شیمی،
برچسب ها: فیلم، فیلم اموزشی، پلیمر، شیمی، polymer، Molecular Shape and Orbital Hybridization، molecular،

تاریخ : چهارشنبه 21 آبان 1393 | 04:14 ق.ظ | نویسنده : Arash Sadeghi | نظرات
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