CN113021199B - Abrasive belt special for grinding small hardware and preparation process thereof - Google Patents

Abrasive belt special for grinding small hardware and preparation process thereof Download PDF

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Publication number
CN113021199B
CN113021199B CN202110443379.3A CN202110443379A CN113021199B CN 113021199 B CN113021199 B CN 113021199B CN 202110443379 A CN202110443379 A CN 202110443379A CN 113021199 B CN113021199 B CN 113021199B
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Prior art keywords
parts
layer
abrasive
abrasive belt
base cloth
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CN202110443379.3A
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Chinese (zh)
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CN113021199A (en
Inventor
尚海泉
李杨太
梁洪亮
董红雨
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Shaoguan Weiming Grinding Material Co ltd
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Shaoguan Weiming Grinding Material Co ltd
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Priority to CN202110443379.3A priority Critical patent/CN113021199B/en
Publication of CN113021199A publication Critical patent/CN113021199A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
    • B24D11/001—Manufacture of flexible abrasive materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
    • B24D11/08—Equipment for after-treatment of the coated backings, e.g. for flexing the coating
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
    • C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
    • C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
    • C09J161/04—Condensation polymers of aldehydes or ketones with phenols only
    • C09J161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2206—Oxides; Hydroxides of metals of calcium, strontium or barium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045—Sulfates

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Manufacturing & Machinery (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

The invention provides an abrasive belt special for grinding small hardware and a preparation process thereof, and relates to the technical field of abrasive belt processing. The abrasive belt is sequentially provided with a grinding material layer, a compound adhesive layer, a bottom adhesive layer, a base cloth layer and a back scraping layer from top to bottom. The abrasive belt can effectively adhere abrasive materials by adjusting the composition of the composite adhesive layer, the bottom adhesive layer and the back scraping layer, and the service life of the abrasive belt is prolonged. The abrasive belt can avoid deviation, has excellent effect of polishing small hardware, and can not scratch the surface of the hardware.

Description

Abrasive belt special for grinding small hardware and preparation process thereof
Technical Field
The invention relates to the technical field of abrasive belt processing, in particular to an abrasive belt special for grinding small hardware and a preparation process thereof.
Background
The small hardware is a common hardware product in daily life, such as: door hinges, lock cylinders, watchbands, etc. And (4) polishing the small hardware by using an abrasive belt for improving the smoothness of the small hardware. However, the prior abrasive belt is easy to have the problems of abrasive belt deviation, abrasive falling and the like in the grinding process, so that the service life of the abrasive belt is short, and the surfaces of small hardware are easy to scratch.
Disclosure of Invention
In view of this, the invention provides a special abrasive belt for grinding small hardware, which has a structure shown in fig. 1 and is sequentially provided with a grinding material layer, a compound adhesive layer, a primer layer, a base cloth layer and a back scraping layer from top to bottom, wherein the compound adhesive layer is formed by mixing the following raw materials in parts by weight:
30-50 parts of water-soluble phenolic resin, 10-20 parts of heavy calcium sulfate and 1-3 parts of red pigment;
the primer layer is formed by mixing the following raw materials in parts by weight:
60-70 parts of water-soluble phenolic resin, 1-5 parts of heavy calcium sulfate and 1-2 parts of red pigment;
the back scraping layer is formed by mixing the following raw materials in parts by weight:
30-50 parts of water-soluble phenolic resin, 10-20 parts of calcium oxide, 1-2 parts of antistatic agent and 1-2 parts of black pigment.
Preferably, the abrasive layer is formed by mixing silicon nitride particles and brown corundum particles.
Further preferably, the mass ratio of the silicon nitride particles to the brown corundum particles in the abrasive layer is 1-2:1-2.
More preferably, the particle size of the silicon nitride particles is 100-200 microns, and the particle size of the brown corundum particles is 800-1000 microns.
Preferably, the base fabric is a polyester grey fabric.
The invention also aims to provide a preparation process of the special abrasive belt for grinding the small hardware, which comprises the following steps of:
(1) Carrying out cloth inspecting, cloth repairing, large rolling, singeing and shaping treatment on the base cloth;
(2) Dipping the base cloth in a resin solution, and drying for later use;
(3) Carrying out back scraping treatment on the back of the dried base cloth to form a back scraping layer;
(4) Sequentially coating the front surface of the base cloth with a primer, a composite adhesive and an abrasive, and drying at 120-130 ℃;
(5) And (4) curing the dried base cloth in a curing furnace at the temperature of 120-150 ℃, and finally, performing flexible bending to obtain the special abrasive belt for polishing the hardware.
Preferably, the setting treatment in step (1) is to set the base fabric in a setting machine with the temperature of 130 ℃.
Preferably, the resin solution used in step (2) is a phenolic resin solution having a concentration of 10 to 30% by weight.
Preferably, the drying time in the step (4) is 30-60min; the curing time in the step (5) is 24-50h.
Compared with the prior art, the invention has the following beneficial effects:
the abrasive belt can be used for polishing small hardware, is high in polishing efficiency and can not scratch the small hardware;
the abrasive belt has the advantages of stable structure and long service life;
the abrasive belt of the invention is not easy to deviate in the using process.
Drawings
FIG. 1 is a schematic structural view of a special abrasive belt for grinding small hardware in the invention;
description of the sequence numbers: 1 is an abrasive material layer, 2 is a compound glue layer, 3 is a base glue layer, 4 is a base cloth layer, and 5 is a back scraping layer.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
The utility model provides a little five metals special abrasive band structure of polishing is shown in figure 1, has set gradually abrasive material layer 1, compound gum layer 2, primer layer 3, base cloth layer 4, back scraping layer 5 from the top down, and wherein compound gum layer adopts the raw materials mixture of following parts by weight to form:
35 parts of water-soluble phenolic resin, 18 parts of heavy calcium sulfate and 2 parts of red pigment;
the primer layer is formed by mixing the following raw materials in parts by weight:
65 parts of water-soluble phenolic resin, 5 parts of heavy calcium sulfate and 2 parts of red pigment;
the back scraping layer is formed by mixing the following raw materials in parts by weight:
40 parts of water-soluble phenolic resin, 15 parts of calcium oxide, 2 parts of antistatic agent and 2 parts of black pigment.
The base cloth is polyester grey cloth;
the abrasive layer is formed by mixing silicon nitride particles and brown corundum particles according to the mass ratio of 1:1, wherein the particle size of the silicon nitride particles is 200 microns, and the particle size of the brown corundum particles is 850 microns.
The preparation process of the special abrasive belt for grinding the small hardware comprises the following steps:
(1) Carrying out cloth inspecting and repairing, large coiling, singeing and shaping treatment on the base cloth, wherein the shaping treatment is to shape the base cloth in a shaping machine at the temperature of 130 ℃;
(2) Soaking the base cloth in a phenolic resin solution with the concentration of 10wt% for 25 hours, and drying for later use;
(3) Carrying out back scraping treatment on the back of the dried base cloth to form a back scraping layer;
(4) Sequentially coating the front surface of the base cloth with a primer, a composite adhesive and an abrasive, and drying at 120 ℃ for 60min;
(5) And (5) curing the base cloth dried in the step (4) in a curing furnace at the temperature of 135 ℃ for 28h, and finally performing flexing to obtain the special abrasive belt for polishing the small hardware.
Example 2
The utility model provides a little five metals special abrasive band structure of polishing is shown in figure 1, has set gradually abrasive material layer 1, compound gum layer 2, primer layer 3, base cloth layer 4, back scraping layer 5 from the top down, and wherein compound gum layer adopts the raw materials mixture of following parts by weight to form:
35 parts of water-soluble phenolic resin, 15 parts of heavy calcium sulfate and 2 parts of red pigment;
the primer layer is formed by mixing the following raw materials in parts by weight:
65 parts of water-soluble phenolic resin, 3 parts of heavy calcium sulfate and 2 parts of red pigment;
the back scraping layer is formed by mixing the following raw materials in parts by weight:
40 parts of water-soluble phenolic resin, 20 parts of calcium oxide, 2 parts of antistatic agent and 2 parts of black pigment.
The base cloth is polyester grey cloth;
the abrasive layer is formed by mixing silicon nitride particles and brown corundum particles according to the mass ratio of 1:2, wherein the particle size of the silicon nitride particles is 150 microns, and the particle size of the brown corundum particles is 1000 microns.
The preparation process of the special abrasive belt for grinding the small hardware comprises the following steps:
(1) Carrying out cloth inspecting and repairing, large coiling, singeing and shaping treatment on the base cloth, wherein the shaping treatment is to shape the base cloth in a shaping machine at the temperature of 130 ℃;
(2) Soaking the base cloth in a phenolic resin solution with the concentration of 10wt% for 25 hours, and drying for later use;
(3) Carrying out back scraping treatment on the back of the dried base cloth to form a back scraping layer;
(4) Sequentially coating the front surface of the base cloth with a primer, a composite adhesive and an abrasive, and drying at 130 ℃ for 30 min;
(5) And (4) curing the dried base cloth in a curing furnace at the temperature of 120 ℃ for 32h, and finally, performing flexible bending to obtain the special abrasive belt for polishing the hardware.
Example 3
The utility model provides a special abrasive band structure of little five metals is polished as shown in figure 1, from the top down sets gradually abrasive material layer 1, compound glue film 2, primer layer 3, base cloth layer 4, back of the body and scrapes layer 5, and wherein compound glue film adopts the raw materials of following parts by weight to mix to form:
50 parts of water-soluble phenolic resin, 10 parts of heavy calcium sulfate and 3 parts of red pigment;
the primer layer is formed by mixing the following raw materials in parts by weight:
70 parts of water-soluble phenolic resin, 5 parts of heavy calcium sulfate and 2 parts of red pigment;
the back scraping layer is formed by mixing the following raw materials in parts by weight:
50 parts of water-soluble phenolic resin, 10 parts of calcium oxide, 1 part of antistatic agent and 2 parts of black pigment.
The base cloth is polyester grey cloth;
the abrasive layer is formed by mixing silicon nitride particles and brown corundum particles according to the mass ratio of 2:1, wherein the particle size of the silicon nitride particles is 100 micrometers, and the particle size of the brown corundum particles is 950 micrometers.
The preparation process of the special abrasive belt for grinding the small hardware comprises the following steps:
(1) Carrying out cloth inspecting and repairing, large rolling, singeing and shaping treatment on the base cloth, wherein the shaping treatment is to shape the base cloth in a shaping machine at the temperature of 130 ℃;
(2) Soaking the base cloth in 20wt% phenolic resin solution for 25h, and drying for later use;
(3) Carrying out back scraping treatment on the back of the dried base cloth to form a back scraping layer;
(4) Sequentially coating the front surface of the base cloth with a primer, a composite adhesive and an abrasive, and drying at 120 ℃ for 40 min;
(5) And (4) curing the dried base cloth in a curing furnace at the temperature of 150 ℃ for 25h, and finally, performing flexible bending to obtain the special abrasive belt for polishing the hardware.
Comparative example 1
The utility model provides a little five metals special abrasive band structure of polishing is shown in figure 1, has set gradually abrasive material layer 1, compound gum layer 2, primer layer 3, base cloth layer 4, back scraping layer 5 from the top down, and wherein compound gum layer adopts the raw materials mixture of following parts by weight to form:
35 parts of water-soluble phenolic resin, 18 parts of heavy calcium sulfate and 2 parts of black pigment;
the primer layer is formed by mixing the following raw materials in parts by weight:
35 parts of water-soluble phenolic resin, 18 parts of heavy calcium sulfate and 2 parts of black pigment;
the back scraping layer is formed by mixing the following raw materials in parts by weight:
40 parts of water-soluble phenolic resin, 15 parts of heavy calcium sulfate, 2 parts of antistatic agent and 2 parts of black pigment.
The base cloth is polyester grey cloth;
the abrasive layer is formed by mixing silicon nitride particles and brown corundum particles according to the mass ratio of 1:1, wherein the particle size of the silicon nitride particles is 150 microns, and the particle size of the brown corundum particles is 900 microns.
The preparation process of the special abrasive belt for grinding the small hardware comprises the following steps:
(1) Carrying out cloth inspecting and repairing, large rolling, singeing and shaping treatment on the base cloth, wherein the shaping treatment is to shape the base cloth in a shaping machine at the temperature of 130 ℃;
(2) Soaking the base cloth in a phenolic resin solution with the concentration of 10wt% for 25 hours, and drying for later use;
(3) Carrying out back scraping treatment on the back of the dried base cloth to form a back scraping layer;
(4) Sequentially coating the front surface of the base cloth with a primer, a composite adhesive and an abrasive, and drying at 120 ℃ for 60min;
(5) And (4) curing the dried base cloth in a curing furnace at the temperature of 135 ℃ for 28h, and finally, performing flexible bending to obtain the special abrasive belt for polishing the hardware.
When the abrasive belts prepared in the examples 1-3 and the comparative example 1 are used for grinding small hardware, the abrasive belts of the examples 1-3 have no deviation, and the service life is improved by 15-25% compared with the service life of the comparative example 1. The belt prepared in comparative example 1 was significantly offset when used for grinding small hardware. The abrasive belt of the invention is used for polishing the small hardware, so that smooth small hardware can be obtained, and no scratch is generated.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. The utility model provides a little five metals special abrasive band of polishing which characterized in that, abrasive band from the top down has set gradually abrasive material layer, compound gum layer, primer layer, base cloth layer, back of the body and scrapes the layer, compound gum layer adopts the raw materials mixture of following parts by weight to form:
30-50 parts of water-soluble phenolic resin, 10-20 parts of heavy calcium sulfate and 1-3 parts of red pigment;
the primer layer is formed by mixing the following raw materials in parts by weight:
60-70 parts of water-soluble phenolic resin, 1-5 parts of heavy calcium sulfate and 1-2 parts of red pigment;
the back scraping layer is formed by mixing the following raw materials in parts by weight:
30-50 parts of water-soluble phenolic resin, 10-20 parts of calcium oxide, 1-2 parts of antistatic agent and 1-2 parts of black pigment;
the abrasive layer is formed by mixing silicon nitride particles and brown corundum particles;
the base cloth is polyester grey cloth;
the preparation process of the special abrasive belt for grinding the small hardware comprises the following steps:
(1) Carrying out cloth inspecting, cloth repairing, large rolling, singeing and shaping treatment on the base cloth;
(2) Dipping the base cloth in a resin solution, and drying for later use;
(3) Carrying out back scraping treatment on the back of the dried base cloth to form a back scraping layer;
(4) Sequentially coating the front surface of the base cloth with primer, composite glue and abrasive, and drying at 120-130 ℃;
(5) And (4) curing the dried base cloth in a curing furnace at the temperature of 120-150 ℃, and finally, performing flexible bending to obtain the special abrasive belt for polishing the hardware.
2. The abrasive belt special for hardware grinding according to claim 1, wherein the mass ratio of the silicon nitride particles to the brown corundum particles in the abrasive layer is 1-2:1-2.
3. The abrasive belt special for small hardware grinding as claimed in claim 2, wherein the particle size of the silicon nitride particles is 100-200 microns, and the particle size of the brown corundum particles is 800-1000 microns.
4. The abrasive belt special for hardware grinding as claimed in claim 1, wherein the setting treatment in step (1) is to set the base cloth in a setting machine at a temperature of 130 ℃.
5. The abrasive belt special for hardware grinding according to claim 1, wherein the resin solution adopted in the step (2) is a phenolic resin solution with a concentration of 10-30 wt%.
6. The abrasive belt special for hardware grinding according to claim 1, wherein the drying time in the step (4) is 30-60min; the curing time in the step (5) is 24-50h.
CN202110443379.3A 2021-04-23 2021-04-23 Abrasive belt special for grinding small hardware and preparation process thereof Active CN113021199B (en)

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Application Number Priority Date Filing Date Title
CN202110443379.3A CN113021199B (en) 2021-04-23 2021-04-23 Abrasive belt special for grinding small hardware and preparation process thereof

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Application Number Priority Date Filing Date Title
CN202110443379.3A CN113021199B (en) 2021-04-23 2021-04-23 Abrasive belt special for grinding small hardware and preparation process thereof

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CN113021199B true CN113021199B (en) 2022-11-11

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3334041A (en) * 1964-08-28 1967-08-01 Norton Co Coated abrasives
CN101829962B (en) * 2010-03-25 2011-09-14 湖北玉立砂带集团股份有限公司 Sanding belt special for metal composite plate and preparation method thereof
CN202367614U (en) * 2011-11-23 2012-08-08 淄博理研泰山涂附磨具有限公司 Antiskid abrasive cloth
CN209887414U (en) * 2019-03-20 2020-01-03 王有生 Composite abrasive cloth sand paper
CN212165734U (en) * 2020-04-21 2020-12-18 倪广林 Self-adhesive dustproof abrasive cloth

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