Chemistry:Poly(ethyl methacrylate)

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Poly(ethyl methacrylate)
Poly(ethyl methacrylate), also known as PEMA.jpg
Names
Other names
Ethyl 2-methyl-2-propenoate homopolymer[1]
Ethylmethacrylate,homopolymer
2-Propenoic acid, ethyl ester, homopolymer[2]
Identifiers
Abbreviations PEMA
ChEBI
ChemSpider
  • none
Properties
(C6H10O2)n
Appearance powder [5]
insoluble in water [6]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Tracking categories (test):

Poly(ethyl methacrylate) (PEMA) is a hydrophobic synthetic acrylate polymer. It has properties similar to the more common PMMA, however it produces less heat during polymerization, has a lower modulus of elasticity and has an overall softer texture.[7] It may be vulcanized using lead oxide as a catalyst[8] and it can be softened using ethanol.

It is used as an impression material of ear canals for the fabrication of hearing aids.[9][10] It is also used in dentistry as a chair-side denture reline material for partial and complete dentures as well as a tissue conditioner with implant-supported dentures. It is used as a component of fossil coating and preservation [11] and for fabricating artificial nails [12]

References

  1. ↑ Chambers, Michael. "ChemIDplus - 9003-42-3 - Poly(ethylmethacrylate) - Similar structures search, synonyms, formulas, resource links, and other chemical information." (in en). https://chem.nlm.nih.gov/chemidplus/rn/9003-42-3. 
  2. ↑ "Poly(ethyl methacrylate) - Alfa Chemistry" (in en). https://www.alfa-chemistry.com/poly-ethyl-methacrylate-cas-9003-42-3-item-164300.htm. 
  3. ↑ "Common Chemistry - Substance Details - 9003-42-3 : 2-Propenoic acid, 2-methyl-, ethyl ester, homopolymer". http://www.commonchemistry.org/ChemicalDetail.aspx?ref=9003-42-3. 
  4. ↑ "poly(ethyl methacrylate) macromolecule (CHEBI:53221)". https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:53221. 
  5. ↑ "POLY(ETHYL METHACRYLATE)". https://www.chemicalbook.com/Error/Message.html. 
  6. ↑ "CAS DataBase List POLY(ETHYL METHACRYLATE)". https://www.chemicalbook.com/ProductList_En.aspx?kwd=POLY(ETHYL%20METHACRYLATE). 
  7. ↑ Anusavice, Kenneth J. (2003). Phillips' Science of Dental Materials 11th edition e-book. Elsevier/Saunders. ISBN 9781437724189. OCLC 934359978. 
  8. ↑ "Document Display (PURL) | NSCEP | US EPA". pp. 6–80. https://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=000035VX.txt. 
  9. ↑ Krumenacker, Suzanne (2019-03-13). Hearing aid dispensing training manual (Second ed.). San Diego, CA. p. 138. ISBN 9781635501322. OCLC 1089445836. 
  10. ↑ Audiology. Treatment. Valente, Michael., Hosford-Dunn, Holly., Roeser, Ross J.. New York: Thieme. 2000. p. 79. ISBN 0865778590. OCLC 42726605. 
  11. ↑ Leiggi, Patrick May, Peter (2005). Vertebrate paleontological techniques. Cambridge University Press. ISBN 0521459001. OCLC 474958103. 
  12. ↑ Baran, Robert; Maibach, Howard, eds (2010-10-15). Textbook of Cosmetic Dermatology. doi:10.3109/9781841847641. ISBN 9780429110962. 



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