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polymer
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thumb|upright=0.8|Appearance of real linear polymer chains as recorded using an atomic force microscope on a surface, under liquid medium. Chain [[contour length for this polymer is ~204 nm; thickness is ~0.4 nm.]]
A polymer is a large molecule made up of many smaller units linked together in a chain, as shown in this microscope image where individual polymer chains appear as tiny threads only a fraction of a nanometer thick. Polymers matter because their chain-like structure gives them useful properties that make them valuable for countless applications in materials science and manufacturing.
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Research
1,321,849 papers- Polymer Based Protein Therapeutics.ReviewCurrent protein & peptide science · 2018Bhawani SA, Husaini A, Ahmad FB et al.DOI: 10.2174/1389203718666170821162823
- Covalent polymer-drug conjugates.ReviewMolecules (Basel, Switzerland) · 2005Elvira C, Gallardo A, Roman JS et al.DOI: 10.3390/10010114
- Recent Advances in Polymer Flooding in China.ReviewMolecules (Basel, Switzerland) · 2022Song K, Tao J, Lyu X et al.DOI: 10.3390/molecules27206978
- Polymer therapeutics as nanomedicines: new perspectives.ReviewCurrent opinion in biotechnology · 2011Duncan RDOI: 10.1016/j.copbio.2011.05.507
- Exploring structure-activity relationships for polymer biodegradability by microorganisms.ReviewThe Science of the total environment · 2023Kim JR, Thelusmond JR, Albright VC 3rd et al.DOI: 10.1016/j.scitotenv.2023.164338
- PEEK polymer's properties and its use in prosthodontics. A review.ReviewStomatologija · 2018Skirbutis G, Dzingutė A, Masiliūnaitė V et al.
- Bacterial peptidoglycan as a living polymer.ReviewCurrent opinion in chemical biology · 2025El-Araby AM, Fisher JF, Mobashery SDOI: 10.1016/j.cbpa.2024.102562
- [Application of biomanufacturing in polymer flooding].ReviewSheng wu gong cheng xue bao = Chinese journal of biotechnology · 2025Zhou J, Pan Q, Huang L et al.DOI: 10.13345/j.cjb.240257
via PubMed
Wikidata facts
Show 2 more facts
- Commons category
- Polymers
- NCI Thesaurus ID
- C48803
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~48 min read
Article
41 sectionsContents
- Etymology
- Common examples
- Natural
- Space polymer
- Synthetic
- Synthesis
- Biological synthesis
- Modification of natural polymers
- Structure
- Monomers and repeat units
- Microstructure
- Polymer architecture{{Anchor|Intermolecular forces}}
- Chain length
- Monomer arrangement in copolymers
- Tacticity
- Morphology
- Crystallinity
- Chain conformation
- Properties
- Mechanical properties
- Tensile strength
- Young's modulus of elasticity
- Transport properties
- Phase behavior
- Crystallization and melting
- Glass transition
- Mixing behavior
- Inclusion of plasticizers
- Chemical properties
- Optical properties
- Electrical properties
- Applications
- Standardized nomenclature
- Characterization
- Degradation
- Product failure
- History
- See also
- References
- Bibliography
- External links
thumb|upright=0.8|Appearance of real linear polymer chains as recorded using an atomic force microscope on a surface, under liquid medium. Chain [[contour length for this polymer is ~204 nm; thickness is ~0.4 nm.]]
A polymer () is a substance or material that consists of very large molecules, or macromolecules, that are constituted by many repeating subunits derived from one or more species of monomers. Due to their broad spectrum 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. Polymers, both natural and synthetic, are created via polymerization of many small molecules, known as monomers. Their consequently large molecular mass, relative to small molecule compounds, produces unique physical properties including toughness, high elasticity, viscoelasticity, and a tendency to form amorphous and semicrystalline structures rather than crystals.
Gallery (52)
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