what is a polymer
What Is a Polymer? | Live ScienceA polymer is a
large molecule (macromolecule) composed of long chains of repeating smaller units called monomers, linked together by covalent bonds. Derived from Greek for "many parts," polymers can be natural (DNA, cellulose, silk) or synthetic (plastics, nylon, rubber), offering versatile physical properties.
Key Characteristics and Types:
Structure: Monomers link to form linear, branched, or three-dimensional network structures.
Natural Polymers: Essential to life, including proteins (amino acids), starch, cellulose, and DNA.
Synthetic Polymers: Commonly derived from petroleum (e.g., polyethylene, polystyrene, PVC) and used for materials, packaging, and textiles.
Plastics: A common type of synthetic polymer often mixed with additives.
Thermoplastics vs. Thermosets: Thermoplastics melt when heated (e.g., milk bottles, plastic bags), while thermosets are permanently rigid and do not melt (e.g., epoxy, vulcanized rubber).
Common Examples:
Natural: Wool, silk, DNA, cellulose, rubber.
Synthetic: Polyethylene (bags), Polypropylene (containers), Polystyrene (foam), Polyvinyl chloride (pipes), Nylon (fibers).
Polymers vs. Plastics: What is the difference? | Beyond Chemistry
What are polymers? Polymers are a class of natural or synthetic substances composed of very large molecules, known as macromolecules. These macromolecules are m...
Stahl
Polymer - Wikipedia
Synthetic. The list of synthetic polymers, roughly in order of worldwide demand, includes polyethylene, polypropylene, polystyrene, polyvinyl chloride, syntheti...
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Polymer - an overview | ScienceDirect Topics
A polymer is a material that has a large molecular structure composed entirely of rings or chains of many distinctive repeating units (monomers). To simplify th...
ScienceDirect.com
What are polymers? - IUPAC | International Union of Pure and Applied Chemistry
Polymers are substances made up of macromolecules, which are very large molecules with molecular weights ranging from a few thousand to millions of grams/mole. ...
IUPAC | International Union of Pure and Applied Chemistry
What Is a Polymer? - ThoughtCo
Because of their structure, polymers have unique properties that can be tailored for different uses. Polymers are both man-made and naturally occurring. Rubber,
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Polymers - Materials - KS3 Chemistry - BBC Bitesize
polymers are manufactured using chemical reactions that join lots of small molecules together to make long molecules. For example, polycarbonate is a synthetic ...
BBC
polymer - Students | Britannica Kids | Homework Help
Graft copolymers are a string of one type of monomer with attached side chains composed of another kind of monomer. Like building blocks, monomers link in diffe...
Britannica Kids
Polymer Definition and Examples - ThoughtCo
Synthetic polymers are used to make plastics, adhesives, paints, mechanical parts, and many common objects. Synthetic polymers may be grouped into two categorie...
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Polymer
A substance or material that consists of very large molecules, or macromolecules, that are constituted by many repeating subunits derived from one or more ...
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Polymer | Description, Examples, Types, Material, Uses, & Facts
20 Mar 2026 — A polymer is any of a class of natural or synthetic substances composed of very large molecules, called macromolecules, which are multiples of simpler chemical ...
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Polymer | Description, Examples, Types, Material, Uses ...
Polymer | Description, Examples, Types, Material, Uses ...
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What is a Polymer? A Complete Guide to Types, Properties, and ...
What is a Polymer? A Complete Guide to Types, Properties, and ...
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What Is a Polymer? | Live Science
What Is a Polymer? | Live Science
Live Science
What is a Polymer?.. It's very simple meaning of Polymer. (A ...
What is a Polymer?.. It's very simple meaning of Polymer. (A ...
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Stahl
Stahl develops high-performance, low-impact coating solutions that touch the lives of people everywhere.
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Polymers vs. Plastics: What is the difference? | Beyond Chemistry
Polymers are a class of natural or synthetic substances composed of very large molecules, known as macromolecules. These macromolecules are multiples of simpler chemical units called monomers. The process by which monomers link together into a polymer chain is known as polymerisation.
Baumerk Construction Chemicals
BAUMERK Construction Chemicals continues to add value to the construction industry both in the world and in Turkey for more than 30 years.
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What is a Polymer? How to Use It?
22 Nov 2022 — A polymer is a chemical compound whose molecules are linked together in long, repeating chains. Due to their structure, polymers have unique properties that ...
Xometry
Xometry is a leader in high-precision production part and prototyping manufacturing on demand. Get instant quotes on CNC machining, 3D printing, sheet metal fabrication, laser cutting, and more.
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Polymer vs. Plastic: What Are the Differences?
15 Apr 2023 — Polymers are materials composed of repeating chains of smaller molecular units called monomers. Polymers can be naturally occurring (such as ...
IUPAC | International Union of Pure and Applied Chemistry
IUPAC serves the international scientific endeavor in the dual function of a basic science and a mission-oriented Union. The Union is in a unique position
iupac.org
What are polymers? - IUPAC | International Union of Pure and ...
Polymers are substances composed of macromolecules, very large molecules with molecular weights ranging from a few thousand to as high as millions of grams/ ...
ScienceDirect.com
Polymer - an overview | ScienceDirect Topics
A polymer is a substance composed of molecules with a large molecular mass of repeating structural units or monomers connected by covalent chemical bonds. Well- ...
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Australian Industrial Chemicals Introduction Scheme (AICIS)
What is a polymer?
31 Oct 2022 — A chemical that is capable of forming covalent bonds with 2 or more like or unlike molecules under the conditions of a polymer-forming reaction.
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Polymers - Materials - KS3 Chemistry - BBC Bitesize
The term polymer refers to a very long molecule made of repeating smaller molecules that have been joined together. Polymers can be natural or synthetic.