Patent · US Active

POSS modified polyacrylate fluoride-free waterproof agent and preparation method thereof

US11643482B2 · kind B2 · utility

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4Claims

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Assignee

SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY · CN

Inventors

Jianhua Zhou · Campbell, US
Lin Wang · Qingdao, CN
Yan Li · Xi'an, CN
Xiaoyu Chen · Nanhu, CN

Key dates

Filing date	Mar 9, 2021
Grant date	May 9, 2023
Priority date	—
Expiry date	Sep 30, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G77/442
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A POSS modified polyacrylate fluorine-free waterproofing agent includes following components: 1-10 wt % of a functionalized POSS monomer, 2-20 wt % of methyl methacrylate, 3-26 wt % of butyl acrylate, 1-10 wt % of a long-chain acrylate monomer, 0.5-3.5 wt % of an initiator, 0.5-4 wt % of a reactive cationic emulsifier, and 50-80 wt % of deionized water. A method of preparing a POSS modified polyacrylate fluorine-free waterproofing agent is also disclosed.

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