Patent · US Active

Fluorine-containing polycaprolactone film and preparation method therefor

US11807728B2 · kind B2 · utility

0Cited by

2References

10Claims

0Family size

Assignee

Soochow University · CN

Inventors

Zhanxiong LI · Suzhou, CN
Haipeng Wang · Beijing, CN
Wulong Li · Suzhou, CN

Key dates

Filing date	Nov 29, 2020
Grant date	Nov 7, 2023
Priority date	—
Expiry date	Jul 23, 2042

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2367/04
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A method of preparing a fluorinated polycaprolactone membrane includes the following steps: (1) reacting a polycaprolactone with an aminoalcohol compound to prepare a hydroxyl-terminated polycaprolactone; (2) reacting the hydroxyl-terminated polycaprolactone with an anhydride to prepare a carboxyl-terminated polycaprolactone; (3) reacting an ethylene glycol bromoisobutyrate with a fluorinated acrylate to prepare a hydroxyl-terminated fluoro-acrylate polymer; (4) reacting the carboxyl-terminated polycaprolactone with the hydroxyl-terminated fluoro-acrylate polymer to prepare a fluorinated polycaprolactone; (5) at room temperature, dissolving the fluorinated polycaprolactone in an organic solvent to prepare a solution; then naturally drying the solution at room temperature to prepare the fluorinated polycaprolactone membrane.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.