Chinese Academy of Sciences

Shanghai University

Fspg Hi-tech Co., Ltd.

Hongjie Luo

Minoru Kanehira

Yanfeng Gao

Chuanxiang Cao

Xiao Huang

Yuwei Lin

Zhaohui Cai

Lei Dai

Shaobo Wang

Yarong Yu

Qinghua Ren

Xiangna Han

Yiliao Liu

Bo Rong

The present invention relates to a liquid-state temporary reinforcing material, a preparation method therefor and an application thereof. The liquid-state temporary reinforcing material comprises a reinforcing material and a crystallization inhibitor; the reinforcing material is selected from molecules of any two or more of menthol, menthone, menthol ester and menthol ether, and the content of the crystallization inhibitor is less than 50 ppm. For the liquid-state temporary reinforcing material of the present invention, the menthol and the derivatives of the liquid-state temporary reinforcing material are integrally mixed together to form the composite material for temporary reinforcing, the composite material being liquid and volatilization-controllable at room temperature. Thus, the temporary reinforcing requirements for extracting cultural relics at an archaeology excavation site may be met, and the material is convenient to use.

Liquid-state temporary reinforcing material, preparation method therefor and application thereof

The present invention relates to a hydrothermal method for preparing a doped vanadium dioxide powder, the doped powder having a chemical composition of VMO, 0&#x3c;X&#x2264;0.5, and M is a doping element, which is introduced to control a particle size and a morphology of the doped powder, the doping element M is selected from a group consisting of manganese, iron, cobalt, nickel, copper, zinc, tin, indium, antimony, gallium, germanium, lead and bismuth, the method comprising a step of a precursor treatment of titrating a quadrivalent vanadium aqueous solution with a basic reagent to obtain a precursor suspension, wherein the precursor treatment involves titrating the quadrivalent vanadium aqueous solution until the emergence of the precursor suspension. The preparation methods for the present invention are easy to implement, low in cost, provide high yield, and are suitable for large scale production.

Preparation method of doped vanadium dioxide powder

A vanadium dioxide coating for intelligent temperature control is formed by mixing a vanadium dioxide powder slurry, a polymer emulsion, and coating additives, and then coating the mixture onto a substrate. The vanadium dioxide powdery slurry comprises vanadium dioxide composite powders and a dispersion medium, the composite powders comprising vanadium dioxide nanopowders having a chemical composition of VMO, and the surface of the vanadium dioxide nanopowders being attached to organic modified long-chain molecules, wherein M is a doped element, and 0&#x2266;x&#x2266;0.5. Through using the vanadium dioxide powders and the slurry thereof having an organic modified surface, the coating has higher visible light transmittance, can almost completely screen ultraviolet rays, and simultaneously intelligently adjust infrared rays.

Methods for preparing vanadium dioxide composite powders, vanadium dioxide powder slurry, and vanadium dioxide coating for intelligent temperature control

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Hongjie Luo