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Water-based environmental-friendly paper base class coated abrasive tool and method for detecting adhesive property of same

A technology of coating abrasives and bonding performance, which is applied in the direction of abrasives, grinding devices, manufacturing tools, etc., can solve the problems of poor bonding performance between paper base and brushed, poor bonding performance, and low strength of paper base, etc. Achieve rapid bonding performance inspection, good bonding performance, and improve product performance

Active Publication Date: 2013-02-27
JIANGSU FENGMANG COMPOUND MATERIAL SCI&TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the paper base used in paper-based coated abrasive products is currently treated with oil-based adhesives, which has disadvantages such as solvent volatilization, and the bonding performance between the paper base and the brushed is poor. Poor bonding performance
At present, the peel strength index is commonly used to evaluate the adhesive performance of cloth-based coated abrasive products; however, for paper-based coated abrasive products, it is difficult to use them due to the low strength and high brittleness of the paper base itself. Peel strength test method to evaluate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A water-based environment-friendly paper-based coated abrasive, comprising a paper base, abrasives and adhesives, the abrasive is attached to the paper base through the adhesive; the paper base is a 120-gram kraft paper base; the abrasive is 60# white corundum; the paper The base is treated with a water-based adhesive on both sides of the paper base, and the water-based adhesive is used to pre-treat the paper base to improve the surface smoothness and bonding performance. The paper base is treated by dipping; the weight percentage of the water-based adhesive is : 65% acrylate emulsion, 10% nonionic surfactant, 25% water; the adhesive is a solvent-based adhesive, and the weight percentage of the solvent-based adhesive is: 65% epoxy resin, 400# Heavy calcium powder 15%, S130 iron oxide red 3%, ethylene glycol ether 17%.

[0024] The 60# white corundum abrasive is used for sand planting by electrostatic sand planting. The drying condition of the primer is 95°C / 25min, the d...

Embodiment 2

[0026] A water-based environment-friendly paper-based coated abrasive tool, comprising a paper base, abrasives and adhesives, the abrasive is attached to the paper base through the adhesive; the paper base is 80 grams of kraft paper base; the abrasive is 60# coated High-temperature calcined alumina; the paper base is treated with water-based adhesive on one side, and the paper base is pre-treated with water-based adhesive to improve the surface smoothness and bonding performance. The paper base is treated by roller coating; water-based adhesive The weight percent component of agent is: polyvinyl acetate emulsion 65%, nonionic surfactant 10%, water 25%; Adhesive is water-based adhesive, and the weight percent component of water-based adhesive is: water-soluble 60% phenolic resin, 20% light calcium, 0.5% Span, 5% 8501 water-based black, 14.5% water.

[0027] The abrasive is sand-planted by means of electrostatic sand-planting. The drying condition of the primer is 65°C / 15min+75°...

Embodiment 3

[0029] This embodiment is a test method for the adhesive performance of a water-based environmentally friendly paper-based coated abrasive tool, which is carried out according to the following steps:

[0030] (1) Take a paper-based coated abrasive product of 100mm*100mm, weigh it as M1, and place the paper-based coated abrasive product on a metal platform;

[0031] (2) Use an impact metal tool with a diameter of 10mm to impact 800N on the paper-based product placed on the metal platform, impact 10 sample holes evenly on the paper-based coated abrasive tool, and knock down the corresponding 10 samples Small disc samples are collected, and their weight (10 small samples) is called M2;

[0032] (3) Remove the impacted paper-based coated abrasive product from the metal platform, and weigh it as M3, then the quality difference R=M1-M2-M3, and the smaller the R value, the better the bonding performance .

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Abstract

The invention relates to a water-based environmental-friendly paper base class coated abrasive tool and a method for detecting the adhesive property of the same. The coated abrasive tool comprises a paper base, abrasive and adhesive, wherein the abrasive is adhered onto the paper base through the adhesive; the paper base is subjected to single-side or double-side treatment through water-base adhesive which mainly comprises an adhesive main body, a surface active agent and a diluent; the adhesive is a solvent type adhesive or a water-base adhesive; the solvent type adhesive mainly comprises solvent type polymer resin, filler, pigment and solvent; and the solvent type polymer resin is at least one of epoxy resin, alkyd resin, acrylate resin or polyurethane resin. The method for detecting is that an impact knife with a geometrical shape is used for impacting a paper base class coated abrasive tool product which is put on a metal platform under certain gravity, the damage conditions of the impacting edges are observed, and the quality difference before and after the impacting is recorded. The paper base and the abrasive have good adhesive property, and good water resistance, napping adhesive property and grinding resistance are obtained.

Description

technical field [0001] The invention belongs to the field of coated abrasives, in particular to a water-based environment-friendly paper-based coated abrasive and a method for testing its adhesive performance. Background technique [0002] Paper-based coated abrasive products are mainly processed into brushed sand discs, installed in electric tools, and used for surface grinding of various woodworking and hardware products. Paper-based coated abrasives require that the paper base and the brushed have good bonding performance, and have good bonding performance in the process of punching and grinding. [0003] In the prior art, the paper base used in paper-based coated abrasive products is currently treated with oil-based adhesives, which has disadvantages such as solvent volatilization, and the bonding performance between the paper base and the brushed is poor. Adhesive performance is poor. At present, the peel strength index is commonly used to evaluate the adhesive perfor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D11/02B24D18/00G01N19/04
Inventor 王鹏王荣生
Owner JIANGSU FENGMANG COMPOUND MATERIAL SCI&TECH GRP CO LTD
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