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Rubber baseorganic ceramic grinding block and preparation method thereof

A technology of organic ceramics and grinding blocks, which is applied in the direction of grinding/polishing equipment, grinding devices, manufacturing tools, etc., can solve the problems of weak adhesion of the two layers, easy to fall off, and affect the service life of the grinding brush, so as to improve the gloss Curing speed, not easy to fall off, and the effect of improving bond strength

Pending Publication Date: 2019-02-15
东莞市鼎泰鑫电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Grinding brushes are used to remove excess plug hole resin, copper reduction, and polishing on HDI boards. At present, cylindrical cores are mostly made of cylindrical cores plus a polishing layer covering the surface of cylindrical cores. Cylindrical cores Most of them are inorganic layers such as ceramic tubes, cotton tubes, bakelite tubes, glass fiber tubes, paper tubes or aluminum tubes. When the two layers are bonded to each other, it is easy to form delamination of the inorganic and organic bonding surfaces, making the two layers bonded. Firm and easy to fall off, thus affecting the service life of the brush

Method used

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  • Rubber baseorganic ceramic grinding block and preparation method thereof
  • Rubber baseorganic ceramic grinding block and preparation method thereof
  • Rubber baseorganic ceramic grinding block and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A rubber-based organic ceramic abrasive block, comprising a ceramic abrasive block base body 1, an adhesive layer 2 bonded to the ceramic abrasive block base body 1, and a rubber layer 3 bonded to the adhesive layer 2, the adhesive layer 2 From bottom to top, there are vinyl silane coupling agent coating 21 , solvent-free light-curing acrylic resin coating 22 and PU hot melt adhesive covering film 23 .

[0033] Further, the solvent-free photocurable acrylic resin coating 22 is made of the following raw materials in parts by weight: 100 parts of polyurethane acrylate resin, 3 parts of photosensitizer, 2 parts of hydrophobic nano-silica, 15 parts of diabase, 5 parts of plasticizer, 5 parts of stabilizer, 1 part of preservative, 2 parts of toughening agent, 2 parts of antioxidant.

[0034] Further, the photosensitizer is a mixture of arylthiohalide and benzophenone in a weight ratio of 1:1.

[0035] Further, the hydrophobic nano-silica is made by the following method. Aft...

Embodiment 2

[0043] A rubber-based organic ceramic abrasive block, comprising a ceramic abrasive block base body 1, an adhesive layer 2 bonded to the ceramic abrasive block base body 1, and a rubber layer 3 bonded to the adhesive layer 2, the adhesive layer 2 From bottom to top, there are vinyl silane coupling agent coating 21 , solvent-free light-curing acrylic resin coating 22 and PU hot melt adhesive covering film 23 .

[0044] Further, the solvent-free photocurable acrylic resin coating 22 is made of the following raw materials in parts by weight, 100 parts of polyurethane acrylate resin, 8 parts of photosensitizer, 5 parts of hydrophobic nano-silica, 22 parts of diabase, and 8 parts of plasticizer, 8 parts of stabilizer, 2 parts of preservative, 5 parts of toughening agent, 5 parts of antioxidant.

[0045] Further, the photosensitizer is a mixture of arylthiohalide and benzophenone in a weight ratio of 5:1.

[0046] Further, the hydrophobic nano-silica is made by the following method...

Embodiment 3

[0054] A rubber-based organic ceramic abrasive block, comprising a ceramic abrasive block base body 1, an adhesive layer 2 bonded to the ceramic abrasive block base body 1, and a rubber layer 3 bonded to the adhesive layer 2, the adhesive layer 2 From bottom to top, there are vinyl silane coupling agent coating 21 , solvent-free light-curing acrylic resin coating 22 and PU hot melt adhesive covering film 23 .

[0055] Further, the solvent-free photocurable acrylic resin coating 22 is made of the following raw materials in parts by weight: 100 parts of polyurethane acrylate resin, 5 parts of photosensitizer, 3.5 parts of hydrophobic nano-silica, 20 parts of diabase, and 6 parts of plasticizer, 6 parts of stabilizer, 2 parts of preservative, 3.5 parts of toughening agent, 3.5 parts of antioxidant.

[0056] Further, the photosensitizer is a mixture of arylthiohalide and benzophenone in a weight ratio of 3:1.

[0057] Further, the hydrophobic nano-silica is made by the following ...

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Abstract

The invention belongs to the technical field of grinding tools, and particularly relates to a rubber baseorganic ceramic grinding block and a preparation method thereof. The rubber baseorganic ceramicgrinding blockcomprises a ceramic grinding block base body, an adhesive layer bonded to the upper part of the ceramic grinding block base bodyand a rubber layer bonded to the upper part of the adhesive layer. According to the rubber baseorganic ceramic grinding block, the phenomenon of delaminating of an inorganic and organic bonding faceis avoided, the ceramic grinding block basebody and rubberlayer bond firmlyand not prone to being fallen off, and thusthe service life of the grinding block is longer; in addition, by using a PU hot melt adhesive covering film, the grinding block has the advantages of environmental protection and no pollution, long time heating baking and curing are not required, thus energy consumption is low, and rapid production is facilitated; and the preparation method of the rubber baseorganic ceramic grinding block is simple and easy to operate, and is suitable for large-scale production.

Description

technical field [0001] The invention belongs to the technical field of abrasive tools, and in particular relates to a rubber-based organic ceramic grinding block and a preparation method thereof. Background technique [0002] Grinding brushes are used to remove excess plug hole resin, copper reduction, and polishing on HDI boards. At present, cylindrical cores are mostly made of cylindrical cores plus a polishing layer covering the surface of cylindrical cores. Cylindrical cores Most of them are inorganic layers such as ceramic tubes, cotton tubes, bakelite tubes, glass fiber tubes, paper tubes or aluminum tubes. When the two layers are bonded to each other, it is easy to form delamination of the inorganic and organic bonding surfaces, making the two layers bonded. Firm and easy to fall off, thus affecting the service life of the brush. Contents of the invention [0003] In order to overcome the shortcomings and deficiencies in the prior art, the object of the present inv...

Claims

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Application Information

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IPC IPC(8): B24D99/00B24D18/00C09D175/14C09D7/61C09D7/63
CPCC09D7/63C09D175/14C09D7/61B24D18/0072B24D99/005C08K2201/011C08K13/02C08K3/36Y02P40/10
Inventor 徐莹林侠陈浩
Owner 东莞市鼎泰鑫电子有限公司
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