POLYTETRAFLUOROETHYLENE AQUEOUS DISPERSION

To provide a PTFE aqueous dispersion having low viscosity at high temperature.SOLUTION: A PTFE aqueous dispersion contains PTFE and a nonionic surfactant, has a PTFE solid concentration of 50 to 70 mass%, is substantially free from a fluorine-containing surfactant, and has a viscosity at 55°C of 50...

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Bibliographic Details
Main Authors YAMABE TAKUYA, YAMANAKA HIROSHI, YAMAMOTO EMI, TAIRA TAKAHIRO, FUJIMOTO YOHEI, KATO TAKETO, SODA YOSHIHIRO
Format Patent
LanguageEnglish
Japanese
Published 05.09.2023
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:To provide a PTFE aqueous dispersion having low viscosity at high temperature.SOLUTION: A PTFE aqueous dispersion contains PTFE and a nonionic surfactant, has a PTFE solid concentration of 50 to 70 mass%, is substantially free from a fluorine-containing surfactant, and has a viscosity at 55°C of 50 mPa s or lower.SELECTED DRAWING: None 【課題】高温での粘度が低いＰＴＦＥ水性分散液を提供する。【解決手段】ＰＴＦＥ、及び、非イオン性界面活性剤を含み、ＰＴＦＥの固形分濃度が５０～７０質量％であり、含フッ素界面活性剤を実質的に含まず、５５℃における粘度が５０ｍＰａ・ｓ以下であることを特徴とするＰＴＦＥ水性分散液である。【選択図】なし
Bibliography:Application Number: JP20230104455