18449990. FLUORINE-CONTAINING COPOLYMER simplified abstract (DAIKIN INDUSTRIES, LTD.)

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FLUORINE-CONTAINING COPOLYMER

Organization Name

DAIKIN INDUSTRIES, LTD.

Inventor(s)

Tadaharu Isaka of Osaka (JP)

Yumi Zenke of Osaka (JP)

Yukari Yamamoto of Osaka (JP)

FLUORINE-CONTAINING COPOLYMER - A simplified explanation of the abstract

This abstract first appeared for US patent application 18449990 titled 'FLUORINE-CONTAINING COPOLYMER

Simplified Explanation

The abstract describes a fluorine-containing copolymer that consists of tetrafluoroethylene unit, hexafluoropropylene unit, and perfluoro(propyl vinyl ether) unit. The copolymer has specific mass percentages of hexafluoropropylene and perfluoro(propyl vinyl ether) units, a specific melt flow rate, and a specific number of terminal groups per main-chain carbon atoms.

  • The copolymer contains specific mass percentages of hexafluoropropylene and perfluoro(propyl vinyl ether) units.
  • The copolymer has a specific melt flow rate at 372°C.
  • The copolymer has a specific number of terminal groups per main-chain carbon atoms.

Potential applications of this technology:

  • Coatings for various surfaces, such as metals, plastics, and glass.
  • Electrical insulation materials.
  • Chemical-resistant materials for pipes, tanks, and valves.

Problems solved by this technology:

  • Provides a copolymer with specific properties and composition for various applications.
  • Offers improved chemical resistance and thermal stability compared to other polymers.
  • Allows for the production of coatings and materials with specific performance requirements.

Benefits of this technology:

  • Enhanced chemical resistance and thermal stability.
  • Improved melt flow properties for easier processing.
  • Tailored composition for specific applications.
  • Potential for increased durability and longevity in various environments.


Original Abstract Submitted

There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit, and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 10.4 to 11.5% by mass with respect to the whole of the monomer units, a content of perfluoro(propyl vinyl ether) unit of 0.5 to 1.6% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 7.0 to 9.9 g/10 min, and a total number of —CFH, carbonyl group-containing terminal groups, —CF═CFand —CHOH of 90 or less per 10main-chain carbon atoms.