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Preparation method of metal polishing solution with alumina matrix

A technology of polishing liquid and alumina, applied in polishing compositions containing abrasives, etc., can solve the problems of poor polished metal finish, insufficient cutting amount, precipitation, etc., and achieve the effect of increasing smoothness, not easy to precipitate, and good suspension.

Active Publication Date: 2014-07-30
DEMETER SUZHOU ELECTRONICS ENVIRONMENTAL MATERIALS CO LTD
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  • Abstract
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Problems solved by technology

[0002] At present, a preparation method of an aluminum oxide-based metal polishing liquid polishes the metal to produce a poor finish, and the amount of cutting is not enough, and the existing preparation method is prone to precipitation

Method used

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Embodiment Construction

[0016] The present invention will be further described below.

[0017] A kind of preparation method of the metal polishing fluid of aluminum oxide matrix, it is characterized in that, described preparation method comprises the following steps:

[0018] (1) Raw material selection: observe the grain morphology through the scanning electron microscope, and select the flaky pseudo-boehmite raw material;

[0019] (2) Calcination: Take the flaky pseudo-boehmite raw material and perform high-temperature calcination into α-alumina through a tunnel kiln;

[0020] (3) Specific surface test: take the calcined α-alumina, and test the specific surface through a fully automatic specific surface meter. The qualified requirement of the specific surface is 1-10㎡ / g;

[0021] (4) Grinding: Take 35kg of α-alumina with a suitable specific surface area, add 50kg of deionized water, and grind for 3-4 hours. The qualified particle size of the test is 1.5-2.0μm;

[0022] (5) Feeding: filter large pa...

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Abstract

The invention discloses a preparation method of a metal polishing solution with an alumina matrix. The preparation method is characterized by comprising the following steps: (1) raw material selection, (2) calcining, (3) specific surface testing, (4) grinding, (5) emptying, (6) solid content testing, (7) burdening and (8) detection. The preparation method has the beneficial effects that the cutting output is increased by selecting flaky alumina, the degree of finish is increased by adding nitric acid, and the slurry has better suspension property and is not easy to precipitate by adding dispal.

Description

technical field [0001] The invention specifically relates to a method for preparing an aluminum oxide-based metal polishing liquid. Background technique [0002] At present, a preparation method of an aluminum oxide-based metal polishing liquid polishes metal with poor smoothness and insufficient cutting volume, and the existing preparation method is prone to precipitation. Contents of the invention [0003] Purpose of the present invention: the present invention provides a kind of preparation method of the metal polishing liquid of aluminum oxide matrix, the present invention improves cutting capacity by choosing flake alumina, increases smoothness by adding nitric acid, adds dispal to make slurry suspension better, not easy precipitation. [0004] In order to solve the above technical problems, the present invention adopts the following technical scheme: a method for preparing a metal polishing liquid of an alumina matrix, characterized in that the preparation method co...

Claims

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Application Information

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IPC IPC(8): C09G1/02
Inventor 周利虎刘宇杰李志杰
Owner DEMETER SUZHOU ELECTRONICS ENVIRONMENTAL MATERIALS CO LTD
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