Polymer - Revision history

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			File:Styrene-butadiene_chain2.png\|Polymer
			File:Polymerization_classification_ENmod.png\|Polymer
			File:Styrene_radical_chain_polymerization.jpg\|Polymer
			File:DNA_animation.gif\|Polymer
			File:Polystyrene_skeletal.svg\|Polymer
			File:Poly(dimethylsiloxan).svg\|Polymer
			File:PET.svg\|Polymer
			File:Styrol-Butadien-Kautschuk.svg\|Polymer
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			File:Polymerstruktur-verzweigt.svg\|Polymer
			</gallery>

Prab: CSV import

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New page

'''Polymer'''

A '''[[Polymer]]''' is a large molecule, or macromolecule, composed of many repeated subunits, known as monomers. Due to their broad range of properties, both synthetic and natural polymers play essential and ubiquitous roles in everyday life. Polymers range from familiar synthetic plastics such as [[polystyrene]] to natural biopolymers such as [[DNA]] and [[proteins]] that are fundamental to biological structure and function.

==Structure==
Polymers are studied in the fields of [[biophysics]] and [[macromolecular science]], and polymer science (which includes [[polymer chemistry]] and [[polymer physics]]). Historically, products arising from the linkage of repeating units by covalent chemical bonds have been the primary focus of polymer science.

==Types of polymers==
Polymers are of two types: naturally occurring and synthetic or man made.

===Natural polymer===
Natural polymers such as [[rubber]] and [[silk]] are present in plants and animals. They are often water-based. Examples include [[starch]], which is used in paper manufacture, and [[cellulose]], the main constituent of wood and paper.

===Synthetic polymers===
Synthetic polymers are those which are human-made polymers. They can be classified into four main categories: [[thermoplastics]], [[thermosets]], [[elastomers]] and [[synthetic fibers]]. They are commonly found in a variety of consumer products such as [[money]], [[adhesive]], [[non-stick coating]], and [[paint]].

==Properties==
Polymers have unique properties depending on the types and arrangement of monomer units. The properties can be tailored to meet specific needs. They can be both thermal and electrical insulators and have varying degrees of [[flammability]]. They have a high resistance to impact, are lightweight, and have significant [[chemical resistance]].

==Applications==
Polymers are used in many industries for a wide range of applications. In the [[automotive industry]], they are used in car parts. In the [[medical field]], they are used in devices such as heart valves and contact lenses. In the [[construction industry]], they are used in items such as pipes and insulation.

==See also==
* [[Monomer]]
* [[Biopolymer]]
* [[Elastomer]]
* [[Thermoplastic]]
* [[Thermosetting polymer]]

[[Category:Polymer]]
[[Category:Chemistry]]
[[Category:Materials science]]
[[Category:Plastics]]

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← Older revision		Revision as of 12:14, 18 February 2025
Line 34:		Line 34:

	{{stub}}		{{stub}}
			==Polymer==
			<gallery>
			File:Single_Polymer_Chains_AFM.jpg\|Polymer
			File:Polymer_chain_SPT.png\|Polymer
			File:Styrene-butadiene_chain2.png\|Polymer
			File:Polymerization_classification_ENmod.png\|Polymer
			File:Styrene_radical_chain_polymerization.jpg\|Polymer
			File:DNA_animation.gif\|Polymer
			File:Polystyrene_skeletal.svg\|Polymer
			File:Poly(dimethylsiloxan).svg\|Polymer
			File:PET.svg\|Polymer
			File:Styrol-Butadien-Kautschuk.svg\|Polymer
			File:Polymerstruktur-linear.svg\|Polymer
			File:Polymerstruktur-verzweigt.svg\|Polymer
			</gallery>