A method for refining and loading tungsten hexachloride and a grinding tank for implementing the method
A technology of tungsten hexachloride and grinding tank, applied in the field of grinding tank, can solve problems such as incomplete reaction
Inactive Publication Date: 2016-05-04
HENAN UNIV OF SCI & TECH
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Problems solved by technology
[0003] The purpose of the present invention is to provide a method for refining and loading tungsten hexachloride, which is used to solve the problem of incomplete reaction between existing tungsten hexachloride and phenol due to too large crystal particles; at the same time, the present invention also provides A grinding tank for implementing the method
Method used
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Embodiment Construction
[0020] Embodiments of the grinding tank of the present invention: as figure 1 As shown, including the tank body 1, the upper end opening of the tank body 1 is sealed with an upper end cover 4, and two pipelines are axially inserted on the upper end cover 4, one of which is a gas injection pipe 5, and the lower end of the gas injection pipe 5 extends Into the tank, the gas injection pipe 5 is provided with a control valve 6 to control its on-off; the other pipe is the injection pipe 2, the lower end of the injection pipe 2 extends into the tank, and the upper port is the injection port. A screw plug 3 is threaded at the injection port, and the screw plug 3 is a plugging of the injection pipe.
[0021] As a further optimization, the upper port of the tank body 1 is fixed with an upper flange 7 of the tank body, and the upper end cover 4 has an upper end cover flange correspondingly connected with the upper end cover flange, so that the upper end cover can be sealed in the upper ...
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Abstract
The invention discloses a refining and loading method of tungsten hexachloride and a grinding pot for implementing the method. The grinding pot comprises a pot body and an upper end cover sealed at an upper opening of the pot body, wherein a gas injecting tube for injecting gas and driving oxygen in the pot body is axially inserted into the upper end cover, and the lower end of the gas injecting tube extends into the pot body while the upper end of of the gas injecting tube is connected to a gas source. The gas injecting tube is provided with a control valve which controls on-off of the gas injecting tube. The upper end cover is further provided with a filling port communicated with the inner cavity of the pot body, and a sealing plug is hermetically and moveably inserted into the filling port. According to the grinding pot, grinded tungsten hexachloride is very small in granularity and is dispersed and loaded on inorganic nanoparticles. The loaded tungsten hexachloride formed is easy to react with phenolic compounds to form a nano-loaded open-loop metathesis-polymerized catalyst, so that the catalyst has higher catalytic efficiency.
Description
technical field [0001] The invention relates to a method for refining and loading tungsten hexachloride and a grinding tank for implementing the method. Background technique [0002] Tungsten hexachloride is a metal compound that is easy to react with oxygen and water, and can be used to prepare various catalysts. In the ring-opening metathesis polymerization of dicyclopentadiene, tungsten hexachloride-phenolic compound is a highly efficient catalyst, however, when tungsten hexachloride and phenol are reacted to synthesize a soluble complex, it is necessary to first Tungsten hexachloride is dissolved in a solvent to make a suspension to ensure the reaction with phenol. However, because the crystal particles of tungsten hexachloride are too large, it is difficult to dissolve in the solvent, and a large amount of precipitation occurs, which makes the concentration inaccurate and cannot be realized. Complete reaction with phenol, therefore, requires fine grinding of large part...
Claims
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IPC IPC(8): C08G61/08B02C17/10
Inventor 张玉清陈国伟张亚杰赫玉欣谢富春
Owner HENAN UNIV OF SCI & TECH