Title:
AQUEOUS DISPERSION
Document Type and Number:
WIPO Patent Application WO/2024/075609
Kind Code:
A1
Abstract:
Provided is a tetrafluoroethylene polymer-containing aqueous dispersion that exhibits an excellent dispersion stability and handling properties and that enables the formation of molded products having an excellent surface appearance and excellent physical properties, e.g., heat resistance and electrical characteristics (low linear expansion coefficient, low dielectric constant, and low dielectric loss tangent). This aqueous dispersion contains: particles of a tetrafluoroethylene polymer; at least one water-soluble polymer having a polar functional group and selected from the group consisting of vinyl alcohol polymers, acrylic polymers, polyvinylpyrrolidones, polypyrroles, polythiophenes, polyethylene oxides, polyethyleneimines, and cellulose ethers; and water. The cation concentration in the aqueous dispersion of at least one selected from the group consisting of alkali metal ions and alkaline-earth metal ions is 0.1-1,000 ppm.
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Inventors:
FUJIOKA OSAMU (JP)
ITO AYA (JP)
YUKI SOTA (JP)
ITO AYA (JP)
YUKI SOTA (JP)
Application Number:
PCT/JP2023/035169
Publication Date:
April 11, 2024
Filing Date:
September 27, 2023
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
C08L27/18; B32B27/30; C08L1/26; C08L29/04
Domestic Patent References:
| WO2022145333A1 | 2022-07-07 | |||
| WO2022092036A1 | 2022-05-05 | |||
| WO2022153931A1 | 2022-07-21 |
Foreign References:
| US20060078800A1 | 2006-04-13 | |||
| JP2016222801A | 2016-12-28 | |||
| JP2010070741A | 2010-04-02 | |||
| JPH07258523A | 1995-10-09 |
Attorney, Agent or Firm:
T.S. PARTNERS et al. (JP)
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