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Matte abrasive block and preparation method thereof

A technology of smooth grinding and preparation steps, applied in grinding/polishing equipment, abrasives, grinding devices, etc., can solve the problems that the surface of the workpiece cannot meet the quality requirements of the matte surface, the surface of the workpiece is rough, and the profiling ability is poor. Achieve the effect of reducing operation and management costs, good profiling performance and wear resistance, and no dust pollution

Pending Publication Date: 2020-12-25
肇庆高新区纳德科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the grinding brush is easy to produce wear marks and abrasions on the surface of the workpiece, the surface of the workpiece obtained is relatively rough
The resin matt module is generally composed of a plastic holder and a resin grinding block containing abrasives. Due to the limitation of its own material, its profiling ability is poor. After processing the workpiece, the obtained workpiece surface cannot meet the market requirements for sub- Glossy Quality Requirements

Method used

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  • Matte abrasive block and preparation method thereof

Examples

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Effect test

preparation example Construction

[0046] The present invention also provides a method for preparing a matte grinding block, comprising the following preparation steps:

[0047] S1: First weigh each component according to the formula, and set aside;

[0048] S2: Mix the epoxy resin and the coupling agent, and stir evenly to obtain the first mixed liquid;

[0049] S3: adding white carbon black to the first mixed solution, stirring evenly to obtain the second mixed solution;

[0050]S4: adding polyvinyl butyral and nitrile rubber to the second mixed solution in sequence, and stirring evenly to obtain a third mixed solution;

[0051] S5: Add silicon carbide and curing agent to the third mixed solution in turn, stir quickly and fully, then pour it into the mold quickly, flatten it with a press, the pressure of the press is 20MPa, and take it out from the mold after curing , put it in a drying oven at 80°C-90°C, keep warm for 4h-5h, take it out, stick it, pack it, and store it.

Embodiment 1

[0054] A matte grinding block, comprising the following components by weight:

[0055] 5 parts of epoxy resin; 1 part of curing agent; 0.2 parts of coupling agent; 0.5 parts of white carbon black; 0.3 parts of polyvinyl butyral; 6 parts of silicon carbide; 1 part of nitrile rubber.

[0056] The preparation method of the matt grinding block comprises the following preparation steps:

[0057] S1: First weigh each component according to the formula, and set aside;

[0058] S2: Mix the epoxy resin and the coupling agent, and stir evenly to obtain the first mixed liquid;

[0059] S3: adding white carbon black to the first mixed solution, stirring evenly to obtain the second mixed solution;

[0060] S4: adding polyvinyl butyral and nitrile rubber to the second mixed solution in sequence, and stirring evenly to obtain a third mixed solution;

[0061] S5: Add silicon carbide and curing agent to the third mixed solution in turn, stir quickly and fully, then pour it into the mold qui...

Embodiment 2

[0063] Different from Example 1, the matt grinding block of Example 2 includes the following components by weight:

[0064] 32 parts of epoxy resin; 20 parts of curing agent; 1.5 parts of coupling agent; 5 parts of white carbon black; 5 parts of polyvinyl butyral; 40 parts of silicon carbide; 6 parts of nitrile rubber.

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Abstract

The invention discloses a matte abrasive block and a preparation method thereof. The matte abrasive block comprises the following components of, by weight: 5 parts to 60 parts of epoxy resin, 1 part to 40 parts of a curing agent, 0.2 part to 3 parts of a coupling agent, 0.5 part to 10 parts of white carbon black, 0.3 part to 10 parts of polyvinyl butyral, 6 parts to 69 parts of silicon carbide, and 1 part to 9 parts of nitrile rubber buna. On the basis of epoxy resin, white carbon black, polyvinyl butyral, silicon carbide and nitrile butadiene rubber are added, so that the prepared matte abrasive block has good profiling performance and wear resistance; and on the premise of good wear resistance, a conventional manufacturing mode is changed according to the preparation method, pouring, vacuumizing and pressurization are adopted in the preparation method, the produced matte abrasive block is greatly improved leaves no grinding cracks on the surface of a machined workpiece, and the surface of the obtained workpiece has the good matte effect, and can meet the requirements on the quality of a matte surface.

Description

technical field [0001] The invention relates to the technical field of floor tile surface polishing, in particular to a matt abrasive block for matt polishing of floor tiles and wall tiles. Background technique [0002] The gloss of floor tiles can usually be distinguished according to its reflection of light at a specific angle. From low to high, it can usually be divided into: matte, soft light, silky, semi-gloss and high-gloss. Matte is relative to bright light. Matte surface refers to the flat surface, and the surface is less polished with resin abrasives. Its luminosity is lower than that of the polished surface, and it has a certain luminosity. The reflection is weaker, the surface is flat and smooth, but the luminosity is lower. [0003] At present, the floor tiles produced are finally measured by the effect of mirror polishing to measure the quality of the product. In order to obtain better matte or soft-light floor tiles, abrasive brushes or resin matt modules are...

Claims

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Application Information

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IPC IPC(8): B24D3/34B24D18/00
CPCB24D3/346B24D18/0009
Inventor 李士欣
Owner 肇庆高新区纳德科技有限公司
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