Title:
IN-SITU SYNERGISTICALLY MODIFIED REINFORCED CEMENT-BASED COMPOSITE MATERIAL AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/164988
Kind Code:
A1
Abstract:
The present invention belongs to the technical field of building materials, and particularly relates to an in-situ synergistically modified reinforced cement-based composite material and the use thereof. The in-situ synergistically modified reinforced cement-based composite material comprises a cementitious material, a polymer monomer, an initiator, a cross-linking agent and whiskers, wherein the functional groups of the polymer monomer comprise a carbon-carbon double bond and a carboxyl; and the whiskers comprise organic whiskers and/or inorganic non-metal whiskers. The polymer monomer is subjected to in-situ polymerization to modify the surface of the whiskers and adsorb and combine with the surface of the whiskers, such that the dispersity and binding property of the whiskers in a matrix are improved, and the densification and reinforcement effects of the whiskers on the cement matrix are fully exerted; the whiskers and a polymer network that is formed by the in-situ polymerization of the polymer monomer are combined in an interpenetrating manner, such that the rigidity and dimensional stability of the whiskers and the flexibility and toughness of the high-molecular-weight polymer material are combined together, and therefore the reinforcement effect of in-situ polymerization on the bending strength of the cement-based material is further improved, and the adverse effect of in-situ polymerization on the compressive strength of the cement-based composite material is reduced.
Inventors:
YIN BING (CN)
HUA XIANLE (CN)
HOU DONGSHUAI (CN)
QI DONGMEI (CN)
HUA XUJIANG (CN)
WANG PAN (CN)
LI SHAOCHUN (CN)
JIN ZUQUAN (CN)
HUA XIANLE (CN)
HOU DONGSHUAI (CN)
QI DONGMEI (CN)
HUA XUJIANG (CN)
WANG PAN (CN)
LI SHAOCHUN (CN)
JIN ZUQUAN (CN)
Application Number:
PCT/CN2022/084964
Publication Date:
September 07, 2023
Filing Date:
April 02, 2022
Export Citation:
Assignee:
UNIV QINGDAO TECHNOLOGY (CN)
International Classes:
C04B24/26; C04B28/04; C08F220/56; C08F222/38
Domestic Patent References:
| WO2013019642A2 | 2013-02-07 |
Foreign References:
| JPH05105497A | 1993-04-27 | |||
| CN112456906A | 2021-03-09 | |||
| CN109467360A | 2019-03-15 | |||
| CN111363077A | 2020-07-03 |
Attorney, Agent or Firm:
BEIJING GAOWO LAW FIRM (CN)
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