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Adsorption pad for STN glass polishing

An adsorption pad, glass technology, applied in the direction of the working carrier, can solve the problems of high surface activity, low water solubility, long hydrophobic chain, etc., to slow down rapid penetration, avoid high water absorption, and excellent damping and anti-skid performance.

Active Publication Date: 2017-07-07
ANHUI HECHEN NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, acryloyl bisquaternary ammonium salt has a long hydrophobic chain and high surface activity, and can be polymerized into a polymer surfactant at a certain temperature, making it have extremely high surface activity and low water solubility

Method used

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  • Adsorption pad for STN glass polishing
  • Adsorption pad for STN glass polishing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066]Adsorption pad for STN glass polishing, the adsorption pad is provided with release paper, double-sided adhesive tape, PET film, double-sided adhesive tape, fluorine-containing polyurethane porous film and protective film from bottom to top; the fluorine-containing polyurethane porous film is from From top to bottom are the surface adsorption layer 1, the first foam layer 2, the second foam layer 3, the third isolation layer 4 and the fourth foam layer 5, the surface adsorption layer 1 is a dense layer; Both the first foam layer 2 and the second foam layer 3 have a water drop-shaped porous structure, and the water drop-shaped holes of the second foam layer 3 are larger than the water drop-shaped holes of the first foam layer 2, and the fourth foam layer Layer 5 is an elliptical porous structure with an average pore diameter of 200 μm, and the third isolation layer 4 is a mesh pore structure formed by circular micro-pores with a pore diameter of 9-20 μm.

[0067] The proc...

Embodiment 2

[0094] Adsorption pad for STN glass polishing, the adsorption pad is provided with release paper, double-sided adhesive tape, PET film, double-sided adhesive tape, fluorine-containing polyurethane porous film and protective film from bottom to top; the fluorine-containing polyurethane porous film is from From top to bottom are the surface adsorption layer 1, the first foam layer 2, the second foam layer 3, the third isolation layer 4 and the fourth foam layer 5, the surface adsorption layer 1 is a dense layer; Both the first foam layer 2 and the second foam layer 3 have a water drop-shaped porous structure, and the water drop-shaped holes of the second foam layer 3 are larger than the water drop-shaped holes of the first foam layer 2, and the fourth foam layer Layer 5 is an elliptical porous structure with an average pore diameter of 243 μm, and the third isolation layer 4 is a mesh pore structure formed of circular micro-pores with a pore diameter of 4.2-17.8 μm.

[0095] The...

Embodiment 3

[0122] Adsorption pad for STN glass polishing, the adsorption pad is provided with release paper, double-sided adhesive tape, PET film, double-sided adhesive tape, fluorine-containing polyurethane porous film and protective film from bottom to top; the fluorine-containing polyurethane porous film is from From top to bottom are the surface adsorption layer 1, the first foam layer 2, the second foam layer 3, the third isolation layer 4 and the fourth foam layer 5, the surface adsorption layer 1 is a dense layer; Both the first foam layer 2 and the second foam layer 3 have a water drop-shaped porous structure, and the water drop-shaped holes of the second foam layer 3 are larger than the water drop-shaped holes of the first foam layer 2, and the fourth foam layer Layer 5 is an elliptical porous structure with an average pore diameter of 205 μm, and the third isolation layer 4 is a mesh pore structure formed by circular micropores with a pore diameter of 2-14.3 μm.

[0123] The pr...

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Abstract

The invention relates to an adsorption pad for STN glass polishing. The adsorption pad is sequentially provided with release paper, double faced adhesive tape, a PET film, double faced adhesive tape, a fluorinated polyurethane porous film and a protection film from bottom to top. A surface adsorption layer, a first foaming layer, a second foaming layer, a third isolating layer and a fourth foaming layer are sequentially arranged on the fluorinated polyurethane porous film from top to bottom, and the surface adsorption layer is a compact layer. The first foaming layer and the second foaming layer are each of a drop-shaped porous structure, the fourth foaming layer is of an oval porous structure with the average pore size ranging from 200 micrometers to 400 micrometers, and the third isolating layer is of a net-shaped pore structure formed by round micrometer pores with the pore size ranging from 2 micrometers to 20 micrometers. The adsorption pad for STN glass polishing has high hydrophobicity, permeation of polishing liquid can be slowed down, heat generated by friction of a polishing disc can be dissipated well, and the service life of the grinding adsorption pad reaches 72 h to 75 h and is prolonged by 20 h to 30 h compared with an adsorption pad, prepared from previous known polyurethane resin compositions, for STN glass polishing.

Description

technical field [0001] The invention belongs to the technical field of polymer materials and their preparation, and in particular relates to an adsorption pad for STN glass polishing. Background technique [0002] With the advancement of technology and the improvement of product quality, the demand for STN continues to increase. In the process of STN glass production, product quality, output and cost are the key to the survival of the enterprise. To ensure these three factors, it is necessary to have the support of a complete polishing process. Therefore, the quality of the STN glass polishing process determines the quality of the STN glass. During the polishing process of the STN glass, the STN glass needs to be placed There are three types of adsorption pads currently used in China on the polishing pad to polish the STN glass; 1. Cerium oxide pad, 2. Polishing felt, and 3. Polishing cloth. The adsorption pads produced in the prior art can realize the grinding of STN glas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B37/30B29C69/00B29C51/00B29C35/02B29C71/04B29C37/00
CPCB24B37/30B29C35/02B29C37/0092B29C51/00B29C69/00B29C71/04
Inventor 谭鸿李加海何成生李洁华
Owner ANHUI HECHEN NEW MATERIAL CO LTD
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