CN116423403A - Tensile white grinding skin for crystal polishing and production process thereof - Google Patents
Tensile white grinding skin for crystal polishing and production process thereof Download PDFInfo
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- CN116423403A CN116423403A CN202310535404.XA CN202310535404A CN116423403A CN 116423403 A CN116423403 A CN 116423403A CN 202310535404 A CN202310535404 A CN 202310535404A CN 116423403 A CN116423403 A CN 116423403A
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- 239000013078 crystal Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title abstract description 10
- 238000007517 polishing process Methods 0.000 title description 2
- 238000005498 polishing Methods 0.000 claims abstract description 58
- 239000002245 particle Substances 0.000 claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 127
- 239000003822 epoxy resin Substances 0.000 claims description 54
- 229920000647 polyepoxide Polymers 0.000 claims description 54
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 44
- 239000000945 filler Substances 0.000 claims description 36
- 239000003292 glue Substances 0.000 claims description 34
- 239000000835 fiber Substances 0.000 claims description 33
- 239000002023 wood Substances 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 29
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 29
- 239000004814 polyurethane Substances 0.000 claims description 27
- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 239000002657 fibrous material Substances 0.000 claims description 24
- 229920006231 aramid fiber Polymers 0.000 claims description 23
- 239000002994 raw material Substances 0.000 claims description 23
- 210000003491 skin Anatomy 0.000 claims description 23
- 229920002635 polyurethane Polymers 0.000 claims description 22
- 239000011787 zinc oxide Substances 0.000 claims description 22
- 239000000428 dust Substances 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 18
- 239000004952 Polyamide Substances 0.000 claims description 15
- 229920002647 polyamide Polymers 0.000 claims description 15
- -1 polypropylene Polymers 0.000 claims description 15
- 229920006122 polyamide resin Polymers 0.000 claims description 14
- 239000004760 aramid Substances 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 13
- 238000005728 strengthening Methods 0.000 claims description 13
- 239000004743 Polypropylene Substances 0.000 claims description 12
- 239000010425 asbestos Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 229920001155 polypropylene Polymers 0.000 claims description 12
- 229910052895 riebeckite Inorganic materials 0.000 claims description 12
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 9
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 9
- 239000012790 adhesive layer Substances 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 9
- 150000001412 amines Chemical group 0.000 claims description 9
- 239000002585 base Substances 0.000 claims description 9
- 150000001555 benzenes Chemical class 0.000 claims description 9
- 125000003700 epoxy group Chemical group 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 9
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 9
- 239000000178 monomer Substances 0.000 claims description 9
- 239000010453 quartz Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 210000000438 stratum basale Anatomy 0.000 claims description 9
- 150000003512 tertiary amines Chemical class 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 229920006306 polyurethane fiber Polymers 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 235000008582 Pinus sylvestris Nutrition 0.000 claims description 6
- 241000218626 Pinus sylvestris Species 0.000 claims description 6
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 6
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 6
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 6
- 239000001839 pinus sylvestris Substances 0.000 claims description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000010985 leather Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000004073 vulcanization Methods 0.000 claims description 5
- 229920000271 Kevlar® Polymers 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
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- 238000003672 processing method Methods 0.000 claims description 3
- 238000000197 pyrolysis Methods 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 238000007723 die pressing method Methods 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 239000003351 stiffener Substances 0.000 description 10
- 238000004220 aggregation Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
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- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 244000082946 Tarchonanthus camphoratus Species 0.000 description 2
- 235000005701 Tarchonanthus camphoratus Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- 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
- B24D11/02—Backings, e.g. foils, webs, mesh fabrics
-
- 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
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
- B24D3/344—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent the bonding agent being organic
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a tensile white grinding skin for crystal polishing and a production process thereof, and belongs to the technical field of grinding skins. The invention relates to a tensile white grinding skin for crystal polishing, which comprises a polishing layer, a tensile layer and a substrate layer, wherein the polishing layer, the tensile layer and the substrate layer are sequentially and compositely connected from top to bottom. The invention solves the problems that the structure of a hollowed oxide film net layer formed by the reaction of oxides in nano aggregated particles and oxygen after the existing coating is unstable, fracture or faults occur easily during the generation, and the tensile strength of a white grinding skin is unstable.
Description
Technical Field
The invention relates to the technical field of polishing skins, in particular to a tensile white polishing skin for crystal polishing and a production process thereof.
Background
White skin is one type of polishing cloth, and is stretched and deformed by friction force during polishing.
The Chinese patent with publication number of CN110712143B discloses a tensile white grinding skin and a production method, wherein a polishing surface, an abrasive layer, a tensile layer, a base material and an anti-slip adhesive layer are sequentially arranged from top to bottom, the polishing surface, the abrasive layer, the tensile layer, the base material and the anti-slip adhesive layer are sequentially and compositely connected together, nano aggregation particles and aqueous epoxy resin glue are mixed and then are placed in an oxygen-enriched state to be stirred for 24-48 hours, oxides in the nano aggregation particles react with oxygen to form a hollowed oxide film net layer, and the net layer is arranged among the polishing surface, the abrasive layer, the base material and the anti-slip adhesive layer and supports the polishing surface, so that the white grinding Pi Kangla is strong in property and is not easy to deform.
Although the problems in the background art are solved to a certain extent in the patent, oxide in the coated nano-aggregation particles reacts with oxygen to form a hollowed oxide film net layer structure which is not stable enough, and fracture or faults occur easily during generation, so that the tensile strength of the white ground leather is unstable.
Disclosure of Invention
The invention aims to provide a tensile white grinding skin for crystal polishing and a production process thereof, wherein reinforcing rings and reinforcing ribs are prepared by adopting nano mixed particles in a tensile layer, a net-shaped bulge structure with a fixed structure is formed on the surface of the tensile layer, the tensile layer is reinforced, deformation of the tensile layer is prevented, the bulge reinforcing rings and the reinforcing ribs are embedded into a polishing layer and a substrate layer, the connection tightness between the tensile layer and the polishing layer as well as between the tensile layer and the substrate layer is improved, the tensile properties of the polishing layer and the substrate layer are improved, and the problems in the background art are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a crystal polishing is with tensile white mill skin, includes polishing layer, tensile layer and stratum basale, polishing layer, tensile layer and stratum basale are compound connection in proper order from last to lower, each composition weight portion ratio of the raw materials of tensile layer is as follows: 20-30 parts of first epoxy resin glue, 2-4 parts of first filler, 5-12 parts of first polyurethane, 5-15 parts of nano mixed particles, 1-3 parts of first mixed fiber material and 2-4 parts of polyamide resin, wherein epoxy groups of the first epoxy resin glue are connected to benzene nucleus or aliphatic hydrocarbon through epoxypropyl ether, acrylic acid and maleic anhydride monomers are grafted in an epoxy resin molecular chain, and tertiary amine or quaternary amine alkali is contained in the epoxy resin molecular chain; the first filler is one or a mixture of more than two of asbestos powder, quartz powder, graphite powder and aluminum oxide; the nanometer mixed particles are a mixture of zinc oxide, aluminum oxide and carbonized wood dust with the size of 0.01-50um, wherein the zinc oxide accounts for 20-40%, the aluminum oxide accounts for 20-40%, and the carbonized wood dust accounts for 30-60%; the first mixed fiber material is a mixture of at least two of asbestos fiber, glass fiber, kevlar fiber and carbon fiber.
Preferably, the upper and lower surfaces of tensile layer all are provided with stiffener and strengthening rib, and the stiffener is concentric circle structure, and the strengthening rib includes along the radial rib of stiffener and along the radial symmetric distribution of stiffener.
Preferably, the reinforcing rings and the reinforcing ribs are equal in thickness and 0.3-0.5mm in thickness.
Preferably, the processing method of the carbonized wood dust comprises the following steps:
slicing the pinus sylvestris wood, performing anhydrous anaerobic pyrolysis treatment at 200-220 ℃, crushing, grinding and sieving the treated pinus sylvestris wood until the size is 0.01-50um.
Preferably, the polishing layer comprises the following raw materials in parts by weight: 20-30 parts of second epoxy resin glue, 2-4 parts of second filler, 5-12 parts of second polyurethane, 7-12 parts of nano mixed abrasive and 1-3 parts of second mixed fiber material, wherein epoxy groups of the second epoxy resin glue are connected to benzene nucleus or aliphatic hydrocarbon through epoxypropyl ether, acrylic acid and maleic anhydride monomers are grafted in an epoxy resin molecular chain, and tertiary amine or quaternary amine alkali is contained in the epoxy resin molecular chain; the second filler is one or more than two of asbestos powder, quartz powder, graphite powder and aluminum oxide.
Preferably, the nano mixed abrasive is a mixture of zinc oxide, aluminum oxide, submicron cerium oxide and silicon carbide with the size of 0.01-50um, wherein the zinc oxide accounts for 10-20%, the aluminum oxide accounts for 10-20%, the submicron cerium oxide accounts for 30-50% and the silicon carbide accounts for 10-20%.
Preferably, the second mixed fiber material is a mixture of at least two or more of polyamide fiber, aramid fiber and polyurethane fiber.
Preferably, the substrate layer is formed by weaving polyamide fibers, polypropylene fibers and aramid fibers, wherein the polyamide fibers account for 10-30%, the polypropylene fibers account for 30-80%, the aramid fibers account for 20-30%, and the substrate layer is bonded with the anti-slip adhesive layer.
Preferably, the anti-skid adhesive layer comprises the following raw materials in parts by weight: 20-30 parts of third epoxy resin glue, 2-4 parts of third filler, 5-12 parts of third polyurethane and 1-2 parts of aramid fiber, wherein epoxy groups of the third epoxy resin glue are connected to benzene nucleus or aliphatic hydrocarbon through epoxypropyl ether, acrylic acid and maleic anhydride monomers are grafted in an epoxy resin molecular chain, and tertiary amine or quaternary amine alkali is contained in the epoxy resin molecular chain; the third filler is one or more than two of asbestos powder, quartz powder, graphite powder and aluminum oxide.
The invention provides a production process of a tensile white grinding skin for crystal polishing, which comprises the following steps:
s1, preparing a tensile layer:
s11: uniformly mixing the proportioned first filler, first polyurethane and first mixed fiber material, and putting the mixture into a banburying machine for banburying at 80-200 ℃ for 5-10 minutes to obtain a banburying product;
s12: uniformly mixing the nano mixed particles, polyamide resin and first epoxy resin glue, stirring, filling into a die sprayed with deionized water, sticking the die to the surface of a banburying product for compaction, and placing the whole into a baking oven for vulcanization, wherein the temperature of the baking oven is 100-160 ℃ and the time is 5-10 minutes;
s13: removing the die after taking out to obtain a tensile layer, wherein the surface of the tensile layer is provided with a reinforcing ring and reinforcing ribs formed by pressing the die;
s2, preparing a polishing layer and a basal layer:
s21: mixing the proportioned second filler, second polyurethane, nano mixed abrasive and second mixed fiber material into second epoxy resin glue, uniformly stirring, and coating one side of the tensile layer;
s22: soaking a fabric woven by polyamide fibers, polypropylene fibers and aramid fibers into a third epoxy resin adhesive, and uniformly mixing a third filler, third polyurethane and aramid fibers;
s23: and (3) taking out the fabric woven by the polyamide fiber, the polypropylene fiber and the aramid fiber, attaching the fabric to the other side of the tensile layer, simultaneously coating the mixture of the third filler, the third polyurethane and the aramid fiber on the surface of the fabric, and vulcanizing for 10-20 minutes at the temperature of 100-160 ℃ to obtain the white ground leather.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the reinforcing rings and the reinforcing ribs are prepared from the nano mixed particles in the tensile layer, a netlike convex structure with a fixed structure is formed on the surface of the tensile layer, the tensile layer is reinforced, the tensile layer is prevented from being deformed, the convex reinforcing rings and the reinforcing ribs are embedded into the polishing layer and the substrate layer, the connection tightness of the tensile layer, the polishing layer and the substrate layer is increased, and the tensile property of the polishing layer and the substrate layer is improved;
2. the nanometer mixed particles contain carbonized wood dust components, and the carbonized wood dust prepared by crushing the carbonized camphor wood pine wood has low water content, stable material, tensile resistance and good tensile resistance;
3. according to the invention, the nano mixed particles, the polyamide resin and the first epoxy resin glue are uniformly mixed and then filled into the die sprayed with the deionized water, then vulcanization is carried out, micropores are left on the surface of the tensile layer after the deionized water is evaporated at high temperature, the connection tightness of the tensile layer, the polishing layer and the substrate layer is further increased, and the cured tensile layer is conveniently stripped.
Drawings
Fig. 1 is an exploded view of the tensile white skin pad of the present invention.
In the figure: 1. a polishing layer; 2. a tensile layer; 21. a reinforcing ring; 22. reinforcing ribs; 3. a base layer; 31. an anti-skid adhesive layer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
in order to solve the problem that the oxide in the existing coated nano-aggregation particles reacts with oxygen to form a hollowed oxide film net layer structure which is not stable enough, and is easy to break or generate faults, so that the tensile strength of the white polished skin is unstable, referring to fig. 1, the embodiment provides the following technical scheme:
the utility model provides a crystal polishing is with tensile white mill skin, includes polishing layer 1, tensile layer 2 and stratum basale 3, and polishing layer 1, tensile layer 2 and stratum basale 3 are compound connection from last to lower in proper order, and each component weight portion ratio of the raw materials that tensile layer 2 used is as follows:
22 parts of first epoxy resin glue, 2 parts of first filler, 6 parts of first polyurethane, 5 parts of nano mixed particles, 1 part of first mixed fiber material and 2 parts of polyamide resin,
the epoxy groups of the first epoxy resin glue are connected to the benzene nucleus through epoxypropyl ether, acrylic acid and maleic anhydride monomers are grafted in the molecular chain of the epoxy resin, and tertiary amine or quaternary amine alkali is contained in the molecular chain of the epoxy resin;
the first filler is a mixture of asbestos powder, quartz powder and alumina;
the nanometer mixed particles are a mixture of zinc oxide, aluminum oxide and carbonized wood dust with the size of 0.01-50um, wherein the zinc oxide accounts for 25 percent, the aluminum oxide accounts for 25 percent, and the carbonized wood dust accounts for 50 percent;
the first mixed fiber material is a mixture of asbestos fibers, glass fibers and kevlar fibers.
The upper and lower surfaces of tensile layer 2 all are provided with stiffener 21 and strengthening rib 22, and stiffener 21 is concentric circular structure, and strengthening rib 22 includes along the radial rib of stiffener 21 and along the radial symmetric distribution's of stiffener 21, and stiffener 21 and stiffener 22 equithickness is 0.3-0.5mm.
Specifically, reinforcing ring 21 and strengthening rib 22 connect into overall structure, form netted protruding structure at the upper and lower surface of tensile layer 2, play the reinforcement effect to tensile layer 2, prevent that tensile layer 2 from appearing deformation, protruding reinforcing ring 21 and strengthening rib 22 are embedded to polishing layer 1 and stratum basale 3 in simultaneously, increased tensile layer 2 and polishing layer 1, the compactness that stratum basale 3 is connected, and reinforcing ring 21 and strengthening rib 22 structure play certain supporting role to polishing layer 1, stratum basale 3, improved the tensile properties of polishing layer 1 and stratum basale 3.
The processing method of carbonized wood dust comprises the following steps:
slicing the pinus sylvestris wood, performing anhydrous anaerobic pyrolysis treatment at 200-220 ℃, crushing, grinding and sieving the treated pinus sylvestris wood until the size is 0.01-50um.
The polishing layer 1 comprises the following raw materials in parts by weight: 28 parts of second epoxy resin glue, 4 parts of second filler, 5 parts of second polyurethane, 11 parts of nano mixed abrasive and 1 part of second mixed fiber material;
the epoxy groups of the second epoxy resin glue are connected to the benzene nucleus through epoxypropyl ether, acrylic acid and maleic anhydride monomers are grafted in the molecular chain of the epoxy resin, and tertiary amine or quaternary amine alkali is contained in the molecular chain of the epoxy resin;
the second filler is a mixture of asbestos powder and quartz powder.
The nanometer mixed abrasive is a mixture of zinc oxide, aluminum oxide, submicron cerium oxide and silicon carbide with the size of 0.01-50um, wherein the zinc oxide accounts for 13 percent, the aluminum oxide accounts for 17 percent, the submicron cerium oxide accounts for 50 percent and the silicon carbide accounts for 20 percent.
The second mixed fiber material is a mixture of polyamide fibers and polyurethane fibers.
The base layer 3 is formed by weaving polyamide fibers, polypropylene fibers and aramid fibers, wherein the polyamide fibers account for 25%, the polypropylene fibers account for 50% and the aramid fibers account for 25%, and the anti-slip glue layer 31 is adhered to the base layer 3.
The anti-skid adhesive layer 31 comprises the following raw materials in parts by weight: 22 parts of third epoxy resin glue, 2 parts of third filler, 5 parts of third polyurethane and 1 part of aramid fiber, wherein epoxy groups of the third epoxy resin glue are connected to a benzene nucleus through epoxypropyl ether, acrylic acid and maleic anhydride monomers are grafted in an epoxy resin molecular chain, and tertiary amine or quaternary amine alkali is contained in the epoxy resin molecular chain; the third filler is a mixture of asbestos powder, quartz powder, graphite powder and aluminum oxide.
In order to better demonstrate the production flow of the tensile white grinding skin for crystal polishing, the embodiment now provides a production process of the tensile white grinding skin for crystal polishing, which comprises the following steps:
s1, preparing a tensile layer 2:
s11: uniformly mixing the proportioned first filler, first polyurethane and first mixed fiber material, and putting the mixture into a banburying machine for banburying at 80-200 ℃ for 5-10 minutes to obtain a banburying product;
s12: uniformly mixing the nano mixed particles, polyamide resin and first epoxy resin glue, stirring, filling into a die sprayed with deionized water, sticking the die to the surface of a banburying product for compaction, and placing the whole into a baking oven for vulcanization, wherein the temperature of the baking oven is 100-160 ℃ and the time is 5-10 minutes;
s13: removing the die after taking out to obtain a tensile layer 2, and simultaneously forming a reinforcing ring 21 and reinforcing ribs 22 on the surface of the tensile layer 2 by die pressing;
s2 preparation of polishing layer 1 and base layer 3:
s21: mixing the proportioned second filler, second polyurethane, nano mixed abrasive and second mixed fiber material into second epoxy resin glue, uniformly stirring, and coating one side of the tensile layer 2;
s22: soaking a fabric woven by polyamide fibers, polypropylene fibers and aramid fibers into a third epoxy resin adhesive, and uniformly mixing a third filler, third polyurethane and aramid fibers;
s23: and (3) taking out the fabric woven by the polyamide fiber, the polypropylene fiber and the aramid fiber, attaching the fabric to the other side of the tensile layer 2, simultaneously coating a third filler, a third polyurethane and aramid fiber mixture on the surface of the fabric, and vulcanizing for 10-20 minutes at the temperature of 100-160 ℃ to obtain the white ground leather.
Embodiment two:
the difference between the second embodiment and the first embodiment is that the raw materials of the tensile layer 2 are different in proportion, and the weight parts of the raw materials used in the tensile layer 2 are as follows: 22 parts of first epoxy resin glue, 2 parts of first filler, 6 parts of first polyurethane, 5 parts of nano mixed particles, 1 part of first mixed fiber material and 2 parts of polyamide resin,
wherein the nanometer mixed particles are a mixture of zinc oxide, aluminum oxide and carbonized wood dust with the size of 0.01-50um, wherein the zinc oxide accounts for 20 percent, the aluminum oxide accounts for 20 percent and the carbonized wood dust accounts for 60 percent.
Embodiment III:
the difference between the third embodiment and the first embodiment is that the raw materials of the tensile layer 2 are different in proportion, and the weight parts of the raw materials used in the tensile layer 2 are as follows: 22 parts of first epoxy resin glue, 2 parts of first filler, 6 parts of first polyurethane, 5 parts of nano mixed particles, 1 part of first mixed fiber material and 2 parts of polyamide resin,
wherein the nanometer mixed particles are a mixture of zinc oxide, aluminum oxide and carbonized wood dust with the size of 0.01-50um, wherein the zinc oxide accounts for 35 percent, the aluminum oxide accounts for 35 percent and the carbonized wood dust accounts for 30 percent.
Embodiment four:
the difference between the fourth embodiment and the first embodiment is that the raw materials of the tensile layer 2 are different in proportion, and the weight parts of the raw materials used in the tensile layer 2 are as follows: 22 parts of first epoxy resin glue, 2 parts of first filler, 6 parts of first polyurethane, 10 parts of nano mixed particles, 1 part of first mixed fiber material and 2 parts of polyamide resin,
wherein the nanometer mixed particles are a mixture of zinc oxide, aluminum oxide and carbonized wood dust with the size of 0.01-50um, wherein the zinc oxide accounts for 25 percent, the aluminum oxide accounts for 25 percent and the carbonized wood dust accounts for 50 percent.
Fifth embodiment:
the difference between the fifth embodiment and the fourth embodiment is that the raw materials of the tensile layer 2 are different in proportion, and the weight parts of the raw materials used in the tensile layer 2 are as follows: 22 parts of first epoxy resin glue, 2 parts of first filler, 6 parts of first polyurethane, 15 parts of nano mixed particles, 1 part of first mixed fiber material and 2 parts of polyamide resin,
wherein the nanometer mixed particles are a mixture of zinc oxide, aluminum oxide and carbonized wood dust with the size of 0.01-50um, wherein the zinc oxide accounts for 25 percent, the aluminum oxide accounts for 25 percent, and the carbonized wood dust accounts for 25 percent.
Comparative example one:
the difference between the first comparative example and the first example is that the raw materials of the tensile layer 2 are different in proportion, and the weight proportions of the components of the raw materials used in the tensile layer 2 are as follows: 22 parts of first epoxy resin glue, 2 parts of first filler, 6 parts of first polyurethane, 1 part of first mixed fiber material and 2 parts of polyamide resin.
Comparative example two:
the difference between the second comparative example and the first example is that the raw materials of the tensile layer 2 are different in proportion, and the weight proportions of the components of the raw materials used in the tensile layer 2 are as follows: 22 parts of first epoxy resin glue, 2 parts of first filler, 6 parts of first polyurethane, 5 parts of nano mixed particles, 1 part of first mixed fiber material and 2 parts of polyamide resin,
wherein the nano mixed particles are a mixture of zinc oxide and aluminum oxide with the size of 0.01-50um, wherein the zinc oxide accounts for 50 percent and the aluminum oxide accounts for 50 percent.
The test was carried out according to the specification of GB/T3354-2014. Except that the nano aggregation particle content in the raw material of the tensile layer 2 is different, other raw materials are the same, 7 white grinding sheets with the same length are cut along the width direction, one end of each white grinding sheet is clamped, the other end of each white grinding sheet is pulled by adopting the force of 40N for 30 minutes, the deformation of each white grinding sheet is measured after repeating for 1.5 ten thousand times, then the change condition of the surface and the inner part of each white grinding sheet is observed, whether cracks exist or not is observed, and then the white grinding sheet is stood for 48 hours, the rebound quantity of each white grinding sheet is measured, wherein the surface of the comparative example 2 has dense coarse cracks
It can be seen from the above table that under the condition that the total amount of the nano mixed particles is the same, the higher the ratio of carbonized wood dust is, the smaller the deformation amount is, the better the tensile effect is, the optimal addition amount of the total amount of the nano mixed particles is 10 parts, the deformation amount of the white ground leather is small, the rebound is high, and meanwhile, no crack is generated.
To sum up: according to the tensile white grinding skin for crystal polishing and the production process thereof, the reinforcing ring 21 and the reinforcing ribs 22 are prepared by adopting nano mixed particles in the tensile layer 2, a net-shaped bulge structure with a fixed structure is formed on the surface of the tensile layer 2, the tensile layer 2 is reinforced, deformation of the tensile layer 2 is prevented, the bulge reinforcing ring 21 and the reinforcing ribs 22 are embedded into the polishing layer 1 and the substrate layer 3, the connection tightness of the tensile layer 2, the polishing layer 1 and the substrate layer 3 is improved, and the tensile properties of the polishing layer 1 and the substrate layer 3 are improved; meanwhile, the nanometer mixed particles contain carbonized wood chip components, and the carbonized wood chip prepared by crushing the carbonized camphor wood pine wood has low water content, stable material, tensile resistance and good tensile resistance; in addition, the nano mixed particles, the polyamide resin and the first epoxy resin glue are uniformly mixed and then filled into a die sprayed with deionized water, vulcanization is carried out, micropores are left on the surface of the tensile layer 2 after the deionized water is evaporated at high temperature, the connection tightness of the tensile layer 2, the polishing layer 1 and the substrate layer 3 is further improved, and the cured tensile layer 2 is conveniently stripped.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a crystal polishing is with tensile white mill skin, includes polishing layer (1), tensile layer (2) and stratum basale (3), its characterized in that: the polishing layer (1), the tensile layer (2) and the basal layer (3) are sequentially connected in a compound way from top to bottom, and the tensile layer (2) comprises the following raw materials in parts by weight: 20-30 parts of first epoxy resin glue, 2-4 parts of first filler, 5-12 parts of first polyurethane, 5-15 parts of nano mixed particles, 1-3 parts of first mixed fiber material and 2-4 parts of polyamide resin, wherein epoxy groups of the first epoxy resin glue are connected to benzene nucleus or aliphatic hydrocarbon through epoxypropyl ether, acrylic acid and maleic anhydride monomers are grafted in an epoxy resin molecular chain, and tertiary amine or quaternary amine alkali is contained in the epoxy resin molecular chain; the first filler is one or a mixture of more than two of asbestos powder, quartz powder, graphite powder and aluminum oxide; the nanometer mixed particles are a mixture of zinc oxide, aluminum oxide and carbonized wood dust with the size of 0.01-50um, wherein the zinc oxide accounts for 20-40%, the aluminum oxide accounts for 20-40%, and the carbonized wood dust accounts for 30-60%; the first mixed fiber material is a mixture of at least two of asbestos fiber, glass fiber, kevlar fiber and carbon fiber.
2. The tensile white skin for crystal polishing according to claim 1, wherein: the upper surface and the lower surface of tensile layer (2) all are provided with strengthening ring (21) and strengthening rib (22), and strengthening ring (21) are concentric circular structure, and strengthening rib (22) are including along strengthening ring (21) radial distribution's rib and along strengthening ring (21) radial symmetry's rib.
3. The tensile white skin for crystal polishing according to claim 2, wherein: the thickness of the reinforcing ring (21) and the reinforcing ribs (22) is equal to 0.3-0.5mm.
4. A tensile white cast for crystal polishing according to claim 3, wherein: the processing method of the carbonized wood dust comprises the following steps:
slicing the pinus sylvestris wood, performing anhydrous anaerobic pyrolysis treatment at 200-220 ℃, crushing, grinding and sieving the treated pinus sylvestris wood until the size is 0.01-50um.
5. The tensile white skin for crystal polishing according to claim 4, wherein: the polishing layer (1) comprises the following raw materials in parts by weight: 20-30 parts of second epoxy resin glue, 2-4 parts of second filler, 5-12 parts of second polyurethane, 7-12 parts of nano mixed abrasive and 1-3 parts of second mixed fiber material, wherein epoxy groups of the second epoxy resin glue are connected to benzene nucleus or aliphatic hydrocarbon through epoxypropyl ether, acrylic acid and maleic anhydride monomers are grafted in an epoxy resin molecular chain, and tertiary amine or quaternary amine alkali is contained in the epoxy resin molecular chain; the second filler is one or more than two of asbestos powder, quartz powder, graphite powder and aluminum oxide.
6. The tensile white skin for crystal polishing according to claim 5, wherein: the nanometer mixed abrasive is a mixture of zinc oxide, aluminum oxide, submicron cerium oxide and silicon carbide with the size of 0.01-50um, wherein the zinc oxide accounts for 10-20%, the aluminum oxide accounts for 10-20%, the submicron cerium oxide accounts for 30-50% and the silicon carbide accounts for 10-20%.
7. The tensile white skin for crystal polishing according to claim 6, wherein: the second mixed fiber material is a mixture of at least two of polyamide fibers, aramid fibers and polyurethane fibers.
8. The tensile white skin for crystal polishing according to claim 7, wherein: the base layer (3) is formed by weaving polyamide fibers, polypropylene fibers and aramid fibers, wherein the polyamide fibers account for 10-30%, the polypropylene fibers account for 30-80%, the aramid fibers account for 20-30%, and the anti-slip adhesive layer (31) is adhered to the base layer (3).
9. The tensile white skin for crystal polishing according to claim 8, wherein: the anti-skid adhesive layer (31) comprises the following raw materials in parts by weight: 20-30 parts of third epoxy resin glue, 2-4 parts of third filler, 5-12 parts of third polyurethane and 1-2 parts of aramid fiber, wherein epoxy groups of the third epoxy resin glue are connected to benzene nucleus or aliphatic hydrocarbon through epoxypropyl ether, acrylic acid and maleic anhydride monomers are grafted in an epoxy resin molecular chain, and tertiary amine or quaternary amine alkali is contained in the epoxy resin molecular chain; the third filler is one or more than two of asbestos powder, quartz powder, graphite powder and aluminum oxide.
10. A process for producing a tensile white skin for body polishing as set forth in claim 9, comprising the steps of:
s1, preparing a tensile layer (2):
s11: uniformly mixing the proportioned first filler, first polyurethane and first mixed fiber material, and putting the mixture into a banburying machine for banburying at 80-200 ℃ for 5-10 minutes to obtain a banburying product;
s12: uniformly mixing the nano mixed particles, polyamide resin and first epoxy resin glue, stirring, filling into a die sprayed with deionized water, sticking the die to the surface of a banburying product for compaction, and placing the whole into a baking oven for vulcanization, wherein the temperature of the baking oven is 100-160 ℃ and the time is 5-10 minutes;
s13: removing the die after taking out to obtain a tensile layer (2), wherein a reinforcing ring (21) and reinforcing ribs (22) formed by die pressing are arranged on the surface of the tensile layer (2);
s2, preparing a polishing layer (1) and a substrate layer (3):
s21: mixing the proportioned second filler, second polyurethane, nano mixed abrasive and second mixed fiber material into second epoxy resin glue, uniformly stirring, and coating one side of the tensile layer (2);
s22: soaking a fabric woven by polyamide fibers, polypropylene fibers and aramid fibers into a third epoxy resin adhesive, and uniformly mixing a third filler, third polyurethane and aramid fibers;
s23: and (3) taking out the fabric woven by the polyamide fiber, the polypropylene fiber and the aramid fiber, attaching the fabric to the other side of the tensile layer (2), simultaneously coating a third filler, a third polyurethane and aramid fiber mixture on the surface of the fabric, and vulcanizing for 10-20 minutes at the temperature of 100-160 ℃ to obtain the white ground leather.
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