Copolyester

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A copolyester is a copolymer synthesized by modification of polyesters, which are combinations of diacids and diols. For example, by introducing other diacids, such as isophthalic acid (IPA), or other diols, such as cyclohexane dimethanol (CHDM) to the polyester polyethylene terephthalate (PET), the material becomes a copolyester due to its comonomer content.[1]

Copolyesters retain their strength, clarity, and other mechanical properties even when exposed to a variety of chemicals that typically affect other materials, such as polycarbonates. This, plus their versatility and flexibility, allows manufacturers to use them effectively in the design of both high-volume, low-cost parts as well as critical, more expensive component parts.

Applications

Copolyesters offer versatility to meet a wide variety of applications.[1] Copolyester resins have proved to be effective in packaging applications, due to their toughness, versatility and chemical resistance. They are also frequently used in the manufacture and packaging of consumer goods and materials. Markets that rely on copolyesters include medical packaging, home appliances, consumer goods (pens, toys, sporting goods, etc.), and cosmetics, among others.[2][3][4][5][6]

Table of Common Copolyester and Components

Manufacturers

The main global manufacturers and suppliers of Copolyester resins are as follows (The brand names are in parentheses):

See also

References

  1. ^ a b Copolyester – A Versatile Choice for Medical Applications Thijs Jaarsma. 2004. Business Briefing: Medical Device Manufacturing & Technology.
  2. ^ "EASTAR copolyester". Eastman. Archived from the original on 2009-04-13.
  3. ^ "EASTAR copolyester - Product List". Eastman. Archived from the original on 2009-03-25.
  4. ^ "Vitel – All Brands at Bostik Provide High-Performance Adhesives, Sealants & More for Commercial & Residential Applications". Archived from the original on 2011-03-16. Retrieved 2011-03-22.
  5. ^ "DYNAPOL® - high-molecular and medium-molecular copolyesters - Evonik Industries". www.dynapol.com. Retrieved 2023-03-19.
  6. ^ Scheirs, John; Long, Timothy E. (2003). Modern Polyesters: Chemistry and Technology of Polyesters and Copolyesters. Hoboken, NJ: Wiley Inc. ISBN 9780470090671. OCLC 85820031.
  7. ^ "Product list for all polymers". Eastman. Archived from the original on 2014-01-16.
  8. ^ "Product list". Macroocean. Archived from the original on 2022-07-01.

Notes

This article is a direct transclusion of the Wikipedia article and therefore may not meet the same editing standards as LIMSwiki.