Title:
NORMAL-TEMPERATURE IN-SITU REPAIR MATERIAL FOR DRAINAGE PIPELINE, AND CONSTRUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/006123
Kind Code:
A1
Abstract:
Disclosed in the present invention are a normal-temperature in-situ repair material for a drainage pipeline and a construction method therefor. The normal-temperature in-situ repair material comprises a material A and a material B. The material A is obtained by uniformly mixing phenolic epoxy acrylate, bisphenol A epoxy diacrylate and 2-ethyl methacrylate. The material B is obtained by uniformly mixing 4-vinylbenzaldehyde, photoinitiator 1173, azodiisobutyronitrile, a coumarin-porous microsphere compound, a titanium porphyrin complex, dichloromethane and trifluoroacetic acid. During construction, the material A and the material B are directly stirred and mixed uniformly, are immediately ready for use, are convenient to use, have high mechanical properties and corrosion resistance, and have good repair performance on a drainage pipeline.
Inventors:
LI TONG (CN)
LI JIACHUAN (CN)
LI WANCHAO (CN)
ZHANG JIE (CN)
YU FALAN (CN)
LI JIACHUAN (CN)
LI WANCHAO (CN)
ZHANG JIE (CN)
YU FALAN (CN)
Application Number:
PCT/CN2022/111363
Publication Date:
February 02, 2023
Filing Date:
August 10, 2022
Export Citation:
Assignee:
SHANGHAI YUFAN ENVIRONMENTAL TECH CO LTD (CN)
International Classes:
C08L63/10; C08F220/00; C08F283/00; E03F3/06
Domestic Patent References:
| WO1996018684A1 | 1996-06-20 |
Foreign References:
| CN113583392A | 2021-11-02 | |||
| CN1616546A | 2005-05-18 | |||
| CN101508823A | 2009-08-19 | |||
| US20180265735A1 | 2018-09-20 | |||
| JP2001335612A | 2001-12-04 | |||
| US20170100902A1 | 2017-04-13 |
Attorney, Agent or Firm:
BEIJING ZHUANYING PATENT AGENCY CO., LTD. (CN)
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