Difference between revisions of "Polyester resin"

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== Description ==
 
== Description ==
  
A thermoplastic or thermosetting resin made by the reaction of an ester of dihydric alcohol and terephthalic acid. Polyester resins were first discovered by the Swedish chemist Berzelius in 1847. Thermosetting polyesters are cross-linked alkyd resins that are used as paints and in molded or cast products. Thermoplastic polyesters are linear compounds that are used in fibers and films. One type, polyethylene terephthalate (PET) was first developed by English chemists, J. R. Whinfield and J.T. Dickson, in 1941. PET is used to make Mylar and other strong moisture-resistant films as well as to make Dacron (and Terylene), an important textile fiber. Polybutylene terephthalate (PBT), is mainly used as a molding compound. When catalyzed, polyesters can harden at room temperature and pressure with very little shrinkage to produce a clear, colorless fiber, block or film. They are often used for encapsulating and embedding samples and objects.
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A thermoplastic or thermosetting resin made by the reaction of an ester of dihydric alcohol and terephthalic acid. Polyester resins were first discovered by the Swedish chemist Berzelius in 1847. Thermosetting polyesters are cross-linked alkyd resins that are used as paints and in molded or cast products. Thermoplastic polyesters are linear compounds that are used in fibers and films. One type, polyethylene terephthalate (PET) was first developed by English chemists, J. R. Whinfield and J.T. Dickson, in 1941. PET is used to make Mylar® and other strong moisture-resistant films as well as to make Dacron® (and Terylene®), an important textile fiber. Polybutylene terephthalate (PBT), is mainly used as a molding compound. When catalyzed, polyesters can harden at room temperature and pressure with very little shrinkage to produce a clear, colorless fiber, block or film. They are often used for encapsulating and embedding samples and objects.
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
PER; rsine polyester (Fr.); resina poliestere (It.); resina de polister (Port.); Polyester (Deut.); polister (Esp.); polyester (Sven.); poliestry (Pol.)  
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PER; résine polyester (Fr.); resina poliestere (It.); resina de poliéster (Port.); Polyester (Deut.); poliéster (Esp.); polyester (Sven.); poliestry (Pol.)  
  
Examples: Dacron [DuPont]; Mylar [DuPont Teijin]; Melinex [DuPont Teijin]; Bio-Plastic; Caroplastic; Castolite; Fortrel; Vestopal; Terylene [ICI]; Tergal; Tetlon; Palatal; Leguval [Bayer]; Kodel [Eastman Chemical]; Paraplex [Resinous Products and Chemicals]
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Examples: Dacron® [DuPont]; Mylar® [DuPont Teijin]; Melinex® [DuPont Teijin]; Bio-Plastic®; Caroplastic; Castolite; Fortrel; Vestopal; Terylene [ICI]; Tergal; Tetlon; Palatal; Leguval [Bayer]; Kodel® [Eastman Chemical]; Paraplex [Resinous Products and Chemicals]
  
 
[[[SliderGallery rightalign|MFA- Polyester.jpg~FTIR]]]
 
[[[SliderGallery rightalign|MFA- Polyester.jpg~FTIR]]]
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== Authority ==
 
== Authority ==
  
* G.S.Brady, G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p.624
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p.624
  
* Ralph Mayer, Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing)
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* Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing)
  
* Theodore J. Reinhart, Theodore J. Reinhart, 'Glossary of Terms', ''Engineered Plastics'', ASM International, 1988
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* Theodore J. Reinhart, 'Glossary of Terms', ''Engineered Plastics'', ASM International, 1988
  
* Marjorie Shelley, Marjorie Shelley, ''The Care and Handling of Art Objects'', The Metropolitan Museum, New York, 1987
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* Marjorie Shelley, ''The Care and Handling of Art Objects'', The Metropolitan Museum, New York, 1987
  
* Richard S. Lewis, Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
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* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
  
* Hermann Kuhn, Hermann Kuhn, ''Conservation and Restoration of Works of Art and Antiquities'', Butterworths, London, 1986
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* Hermann Kuhn, ''Conservation and Restoration of Works of Art and Antiquities'', Butterworths, London, 1986
  
* Michael McCann, Michael McCann, ''Artist Beware'', Watson-Guptill Publications, New York City, 1979
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* Michael McCann, ''Artist Beware'', Watson-Guptill Publications, New York City, 1979
  
 
* ''Dictionary of Building Preservation'', Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
 
* ''Dictionary of Building Preservation'', Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
  
* Pam Hatchfield, Pam Hatchfield, ''Pollutants in the Museum Environment'', Archetype Press, London, 2002
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* Pam Hatchfield, ''Pollutants in the Museum Environment'', Archetype Press, London, 2002
  
* Marjory L. Joseph, Marjory L. Joseph, ''Introductory Textile Science'', Holt, Rinehart and Winston, Fort Worth, TX, 1986
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* Marjory L. Joseph, ''Introductory Textile Science'', Holt, Rinehart and Winston, Fort Worth, TX, 1986
  
* Thomas C. Jester (ed.), Thomas C. Jester (ed.), ''Twentieth-Century Building Materials'', McGraw-Hill Companies, Washington DC, 1995
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* Thomas C. Jester (ed.), ''Twentieth-Century Building Materials'', McGraw-Hill Companies, Washington DC, 1995
  
 
* ''Identification of Textile Materials'', The Textile Institute, Manchester, England, 1985
 
* ''Identification of Textile Materials'', The Textile Institute, Manchester, England, 1985
  
* External source or communication, External source or communication  Comment: S.Blank Studies in Conservation 35:53-63, 1990---used as a lacquer since 1933..commercially cast or used as fiber until 1941.
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* External source or communication  Comment: S.Blank Studies in Conservation 35:53-63, 1990---used as a lacquer since 1933..commercially cast or used as fiber until 1941.
  
* M.Kaufman, M.Kaufman, ''The First Century of Plastics'', The Plastics and Rubber Institute, London, 1963
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* M.Kaufman, ''The First Century of Plastics'', The Plastics and Rubber Institute, London, 1963
  
* F. Kidd, F. Kidd, ''Brushmaking Materials'', Bristish Brush Manufacturers, London, 1957  Comment: p. 133
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* F. Kidd, ''Brushmaking Materials'', Bristish Brush Manufacturers, London, 1957  Comment: p. 133
  
 
* Wikipedia, the free encyclopedia, at http://www.wikipedia.com  Comment: http://en.wikipedia.org/wiki/Polyester (Accessed Jan. 6, 2006)
 
* Wikipedia, the free encyclopedia, at http://www.wikipedia.com  Comment: http://en.wikipedia.org/wiki/Polyester (Accessed Jan. 6, 2006)

Revision as of 07:53, 24 July 2013

MFA Acc. #: 2006.112

Description

A thermoplastic or thermosetting resin made by the reaction of an ester of dihydric alcohol and terephthalic acid. Polyester resins were first discovered by the Swedish chemist Berzelius in 1847. Thermosetting polyesters are cross-linked alkyd resins that are used as paints and in molded or cast products. Thermoplastic polyesters are linear compounds that are used in fibers and films. One type, polyethylene terephthalate (PET) was first developed by English chemists, J. R. Whinfield and J.T. Dickson, in 1941. PET is used to make Mylar® and other strong moisture-resistant films as well as to make Dacron® (and Terylene®), an important textile fiber. Polybutylene terephthalate (PBT), is mainly used as a molding compound. When catalyzed, polyesters can harden at room temperature and pressure with very little shrinkage to produce a clear, colorless fiber, block or film. They are often used for encapsulating and embedding samples and objects.

Synonyms and Related Terms

PER; résine polyester (Fr.); resina poliestere (It.); resina de poliéster (Port.); Polyester (Deut.); poliéster (Esp.); polyester (Sven.); poliestry (Pol.)

Examples: Dacron® [DuPont]; Mylar® [DuPont Teijin]; Melinex® [DuPont Teijin]; Bio-Plastic®; Caroplastic; Castolite; Fortrel; Vestopal; Terylene [ICI]; Tergal; Tetlon; Palatal; Leguval [Bayer]; Kodel® [Eastman Chemical]; Paraplex [Resinous Products and Chemicals]

FTIR

MFA- Polyester.jpg


Other Properties

Resistant to cold acids, weak alkalis, bleach and most organic solvents. Degrades in strong alkalis, strong hot acids, cresol.

Melting Point 238-290
Density 1.32-1.38
Refractive Index range: 1.54 -1.72

Hazards and Safety

Difficult to ignite. Burns with a shiny, yellow-orange, sooty flame. Self-extinguishing

Comparisons

General Characteristics of Polymers

Physical Properties for Selected Thermoset Resins

Physical Properties for Selected Thermoplastic Resins

Physical Properties for Selected Thermoplastic Resins


Authority

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p.624
  • 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
  • Marjorie Shelley, The Care and Handling of Art Objects, The Metropolitan Museum, New York, 1987
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Hermann Kuhn, Conservation and Restoration of Works of Art and Antiquities, Butterworths, London, 1986
  • Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
  • Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
  • Pam Hatchfield, Pollutants in the Museum Environment, Archetype Press, London, 2002
  • Marjory L. Joseph, Introductory Textile Science, Holt, Rinehart and Winston, Fort Worth, TX, 1986
  • Thomas C. Jester (ed.), Twentieth-Century Building Materials, McGraw-Hill Companies, Washington DC, 1995
  • Identification of Textile Materials, The Textile Institute, Manchester, England, 1985
  • External source or communication Comment: S.Blank Studies in Conservation 35:53-63, 1990---used as a lacquer since 1933..commercially cast or used as fiber until 1941.
  • M.Kaufman, The First Century of Plastics, The Plastics and Rubber Institute, London, 1963
  • F. Kidd, Brushmaking Materials, Bristish Brush Manufacturers, London, 1957 Comment: p. 133

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