Difference between revisions of "Polymer"
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A high molecular weight compound formed by the combination of one or more monomers. Polymers are made by addition or condensation reactions. Polymers, commonly called plastics, are usually categorized by their thermal properties as either thermoplastic or thermoset. Examples include: | A high molecular weight compound formed by the combination of one or more monomers. Polymers are made by addition or condensation reactions. Polymers, commonly called plastics, are usually categorized by their thermal properties as either thermoplastic or thermoset. Examples include: | ||
| − | 1. [http://cameo.mfa.org/materials/fullrecord.asp?name=thermoplastic Thermoplastic] - can be heated to soften then cooled to harden without changing its basic properties. Examples are: [http://cameo.mfa.org/materials/fullrecord.asp?name=acetal | + | 1. [http://cameo.mfa.org/materials/fullrecord.asp?name=thermoplastic Thermoplastic] - can be heated to soften then cooled to harden without changing its basic properties. Examples are: [http://cameo.mfa.org/materials/fullrecord.asp?name=acetal%20resin polyacetal], as well as some [http://cameo.mfa.org/materials/fullrecord.asp?name=acrylic%20resin acrylics], [http://cameo.mfa.org/materials/fullrecord.asp?name=cellulose%20ester cellulose esters], [http://cameo.mfa.org/materials/fullrecord.asp?name=fluorocarbon fluorocarbons], [http://cameo.mfa.org/materials/fullrecord.asp?name=nylon%20resin nylons], [http://cameo.mfa.org/materials/fullrecord.asp?name=polycarbonate polycarbonate], [http://cameo.mfa.org/materials/fullrecord.asp?name=polyethylene polyethylene], [http://cameo.mfa.org/materials/fullrecord.asp?name=polypropylene polypropylene], [http://cameo.mfa.org/materials/fullrecord.asp?name=polystyrene polystyrene], and [http://cameo.mfa.org/materials/fullrecord.asp?name=vinyl%20resin vinyl resins]. |
| − | 2. [http://cameo.mfa.org/materials/fullrecord.asp?name=thermoset Thermoset] - once cured, it cannot be softened with heat or pressure. Examples are: [http://cameo.mfa.org/materials/fullrecord.asp?name=epoxy epoxy], [http://cameo.mfa.org/materials/fullrecord.asp?name=phenolic | + | 2. [http://cameo.mfa.org/materials/fullrecord.asp?name=thermoset Thermoset] - once cured, it cannot be softened with heat or pressure. Examples are: [http://cameo.mfa.org/materials/fullrecord.asp?name=epoxy epoxy], [http://cameo.mfa.org/materials/fullrecord.asp?name=phenolic%20resin phenolic resin], as well as some [http://cameo.mfa.org/materials/fullrecord.asp?name=polyurethane polyurethanes], [http://cameo.mfa.org/materials/fullrecord.asp?name=polyester%20resin polyesters], [http://cameo.mfa.org/materials/fullrecord.asp?name=silicone silicones], and [http://cameo.mfa.org/materials/fullrecord.asp?name=melamine%20resin melamine]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| − | + | polymère (Fr.); polímero (Esp.) | |
== Comparisons == | == Comparisons == | ||
| Line 23: | Line 23: | ||
== Authority == | == Authority == | ||
| − | * | + | * Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing) |
| − | * | + | * Theodore J. Reinhart, 'Glossary of Terms', ''Engineered Plastics'', ASM International, 1988 |
| − | * | + | * Hoechst Celanese Corporation, ''Dictionary of Fiber & Textile Technology'' (older version called Man-made Fiber and Textile Dictionary, 1965), Hoechst Celanese Corporation, Charlotte NC, 1990 |
| − | * | + | * Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997 |
* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | * ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | ||
Revision as of 07:21, 24 July 2013
Description
A high molecular weight compound formed by the combination of one or more monomers. Polymers are made by addition or condensation reactions. Polymers, commonly called plastics, are usually categorized by their thermal properties as either thermoplastic or thermoset. Examples include:
1. Thermoplastic - can be heated to soften then cooled to harden without changing its basic properties. Examples are: polyacetal, as well as some acrylics, cellulose esters, fluorocarbons, nylons, polycarbonate, polyethylene, polypropylene, polystyrene, and vinyl resins.
2. Thermoset - once cured, it cannot be softened with heat or pressure. Examples are: epoxy, phenolic resin, as well as some polyurethanes, polyesters, silicones, and melamine.
Synonyms and Related Terms
polymère (Fr.); polímero (Esp.)
Comparisons
General Characteristics of Polymers
Physical Properties for Selected Thermoplastic Resins
Physical Properties for Selected Thermoset Resins
Authority
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Theodore J. Reinhart, 'Glossary of Terms', Engineered Plastics, ASM International, 1988
- Hoechst Celanese Corporation, Dictionary of Fiber & Textile Technology (older version called Man-made Fiber and Textile Dictionary, 1965), Hoechst Celanese Corporation, Charlotte NC, 1990
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000