Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of copolymerized anti-evaporation material
The invention provides a preparation method of a copolymerized anti-evaporation material, which comprises the following steps: firstly, carrying out surface functionalization on a nano inorganic oxide by using carboxylic acid or anhydride, and reacting hydroxyl exposed on the nano inorganic oxide with carboxylic acid or anhydride to obtain a functionalized nano inorganic oxide; the functionalized nano inorganic oxide and a vinyl-containing monomer are copolymerized to obtain a novel polymer material capable of greatly reducing water evaporation. The material prepared by the invention has good water retention rate, and has important significance on effective regulation and control of water resources in arid and semi-arid regions. The composite material can be used for regulating soil moisture, and can slowly release absorbed moisture and nutrients after absorbing water to help soil to preserve moisture and improve the moisture utilization rate, so that vegetation can be maintained for a long time under the stress of the composite material, and the yield of crops is further improved. In addition, the material is simple in preparation process and low in raw material price, and has a large-area popularization and application prospect.
本发明提供了一种共聚防蒸发材料的制备方法，首先先采用羧酸或酸酐对纳米无机氧化物进行表面功能化，纳米无机氧化物上裸露的羟基与羧酸或酸酐发生反应，得到功能化纳米无机氧化物。功能化纳米无机氧化物与含乙烯基单体共聚，得到一种能够大幅度减少水分蒸发的新型聚合物材料。本发明制备的材料具有良好的保水率，对干旱与半干旱地区水资源的有效调控具有重要意义。它可以用来调节土壤水分，由于其吸水后可以缓慢释放吸收的水分和养分来帮助土壤保存水分，提高水分利用率，使得水分在复合材料的胁迫下，让植被能够维持较长的时间，进而提升农作物的产量。除此之外，该材料制备过程简单，原料价格低廉，具有大面积推广使用的前景。
Preparation method of copolymerized anti-evaporation material
The invention provides a preparation method of a copolymerized anti-evaporation material, which comprises the following steps: firstly, carrying out surface functionalization on a nano inorganic oxide by using carboxylic acid or anhydride, and reacting hydroxyl exposed on the nano inorganic oxide with carboxylic acid or anhydride to obtain a functionalized nano inorganic oxide; the functionalized nano inorganic oxide and a vinyl-containing monomer are copolymerized to obtain a novel polymer material capable of greatly reducing water evaporation. The material prepared by the invention has good water retention rate, and has important significance on effective regulation and control of water resources in arid and semi-arid regions. The composite material can be used for regulating soil moisture, and can slowly release absorbed moisture and nutrients after absorbing water to help soil to preserve moisture and improve the moisture utilization rate, so that vegetation can be maintained for a long time under the stress of the composite material, and the yield of crops is further improved. In addition, the material is simple in preparation process and low in raw material price, and has a large-area popularization and application prospect.
本发明提供了一种共聚防蒸发材料的制备方法，首先先采用羧酸或酸酐对纳米无机氧化物进行表面功能化，纳米无机氧化物上裸露的羟基与羧酸或酸酐发生反应，得到功能化纳米无机氧化物。功能化纳米无机氧化物与含乙烯基单体共聚，得到一种能够大幅度减少水分蒸发的新型聚合物材料。本发明制备的材料具有良好的保水率，对干旱与半干旱地区水资源的有效调控具有重要意义。它可以用来调节土壤水分，由于其吸水后可以缓慢释放吸收的水分和养分来帮助土壤保存水分，提高水分利用率，使得水分在复合材料的胁迫下，让植被能够维持较长的时间，进而提升农作物的产量。除此之外，该材料制备过程简单，原料价格低廉，具有大面积推广使用的前景。
Preparation method of copolymerized anti-evaporation material
一种共聚防蒸发材料的制备方法
LEI ZIQIANG (Autor:in) / KONG YANRONG (Autor:in) / LIU XIAOMEI (Autor:in) / WANG NA (Autor:in) / YANG FENGHONG (Autor:in)
08.08.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C09K
Materialien für Anwendungen, soweit nicht anderweitig vorgesehen
,
MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR
/
C04B
Kalk
,
LIME
/
C08F
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
,
Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind
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