UV-shielding material based on Mg—Al layered double hydroxide and its application in anti-ageing asphalt

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United States of America Patent

PATENT NO 9315420
APP PUB NO 20120240821A1
SERIAL NO

13402135

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Abstract

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The present invention relates to a preparation method for a UV-shielding material based on Mg—Al Layered Double Hydroxide. The material with multi-layered overlay structure is made from Mg—Al double hydroxide layers and interlayer carbonate, its molecular composition is: Mg1-xAlx(OH)2(CO3)x/2.mH2O. The inorganic layers of this material can play a physical shielding role against UV, and the metal elements dispersed on the layer as well as the interlayer anion can play a great role in the chemical absorbing. In addition, by controlling the particle size and the amount of the layers, UV light can be effectively shielded by multi-level reflection and absorption of the multi-level layered structure. Therefore, the material with multi-level chemical and physical shielding properties has a good UV barrier effect for the anti-ageing asphalt, and could significantly increase its UV resistance properties.

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Patent Owner(s)

Patent OwnerAddress
WUHAN UNIVERSITY OF TECHNOLOGY430070 HUBEI PROVINCE WUHAN CITY HONGSHAN DISTRICT LUOSHI ROAD NO 122 WUHAN CITY HUBEI PROVINCE 430070
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY100029 NO 15 EAST THIRD RING ROAD CHAOYANG DISTRICT BEIJING BEIJING CITY BEIJING CITY 100029

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Duan, Xue Beijing, CN 16 74
Lin, Yanjun Beijing, CN 11 215
Shi, Wenying Beijing, CN 4 1
Wei, Min Beijing, CN 134 955
Wu, Shaopeng Wuhan, CN 3 2
Yu, Jianying Wuhan, CN 4 2

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