CN110712143B - Tensile white mill leather and production method thereof - Google Patents

Tensile white mill leather and production method thereof Download PDF

Info

Publication number
CN110712143B
CN110712143B CN201911082251.8A CN201911082251A CN110712143B CN 110712143 B CN110712143 B CN 110712143B CN 201911082251 A CN201911082251 A CN 201911082251A CN 110712143 B CN110712143 B CN 110712143B
Authority
CN
China
Prior art keywords
epoxy resin
layer
parts
mixture
nano
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201911082251.8A
Other languages
Chinese (zh)
Other versions
CN110712143A (en
Inventor
李加海
谭鸿
李元祥
杨惠明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Hechen New Material Co ltd
Original Assignee
Anhui Hechen New Material Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Hechen New Material Co ltd filed Critical Anhui Hechen New Material Co ltd
Priority to CN201911082251.8A priority Critical patent/CN110712143B/en
Publication of CN110712143A publication Critical patent/CN110712143A/en
Application granted granted Critical
Publication of CN110712143B publication Critical patent/CN110712143B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D11/00Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
    • B24D11/001Manufacture of flexible abrasive materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D11/00Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
    • B24D11/02Backings, e.g. foils, webs, mesh fabrics
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/08Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2227Oxides; Hydroxides of metals of aluminium
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2296Oxides; Hydroxides of metals of zinc
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/003Additives being defined by their diameter
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/14Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16Fibres; Fibrils

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

The invention discloses a tensile white mill leather and a production method thereof, wherein the tensile white mill leather comprises a polishing surface, an abrasive layer, a tensile layer, a base material and an anti-slip glue layer which are sequentially arranged from top to bottom, the polishing surface, the abrasive layer, the tensile layer, the base material and the anti-slip glue layer are sequentially and compositely connected together, nano aggregated particles and aqueous epoxy resin glue are mixed and then placed in an oxygen-enriched state to be stirred for 24-48 hours, oxides in the nano aggregated particles react with oxygen to form a hollowed-out oxide film net layer, and the net layer is positioned among the polishing surface, the abrasive layer, the base material and the anti-slip glue layer to support the polishing surface, so that the white mill leather is strong in tensile property and not easy; the preparation method is simple, safe, environment-friendly and easy to realize industrial continuous production.

Description

Tensile white mill leather and production method thereof
Technical Field
The invention relates to the technical field of polishing cloth, in particular to a tensile white buffing.
Background
The polishing cloth is formed by coating the precision grinding micro powder on the surface of a high-strength wear-resistant cloth substrate by adopting an ultra-precision coating technology and is widely used for cleaning treatment before attaching a polarizer in a TFT-LCD (thin film transistor liquid Crystal display) process. The polishing leather mainly comprises polyurethane polishing leather, white polishing leather, damping cloth, asphalt polishing cloth, wool wheels and the like, the polyurethane polishing leather is mainly used for polishing crystal glass, watch lenses, camera glass, mobile phone glass and the like, contains rare earth materials such as cerium dioxide and the like, has the hardness of more than 90 degrees, effectively protects the glass from being easy to step on and leads angles in the process of polishing the glass at high speed, is durable and high in efficiency, and is one of the currently accepted polishing materials which cannot be acquired. The white buff is one of the polishing cloths, and is stretched and deformed by a frictional force during polishing.
Disclosure of Invention
Aiming at the defects of the problems, the invention provides the tensile white mill leather and the preparation method thereof, and the hollow-out alumina net layer is formed by the reaction of the nano aggregated particles and oxygen in the air, so that the tensile property of the white mill leather is strong, and the white mill leather is not easy to deform; the preparation method is simple, safe, environment-friendly and easy to realize industrial continuous production.
In order to achieve the purpose, the invention provides the following technical scheme:
a tensile white mill leather comprises a polishing surface, a grinding material layer, a tensile layer, a base material and an anti-skid adhesive layer which are sequentially arranged from top to bottom; the polishing surface, the abrasive layer, the tensile layer, the base material and the anti-skid adhesive layer are sequentially and compositely connected together from top to bottom; the thickness of the base material is 1-3mm, and the tensile layer comprises the following raw materials in parts by weight:
20-30 parts of a first aqueous epoxy resin adhesive;
3-5 parts of a first filler;
1-10 parts of first nano aggregate particles;
1-10 parts of first polyurethane;
0.1-1 part of first aramid fiber;
the waterborne epoxy resin adhesive is characterized in that acrylic acid and maleic anhydride monomers are grafted in an epoxy resin molecular chain, a tertiary amine or quaternary ammonium base is contained in the epoxy resin molecular chain, or a hydrophilic polyoxyethylene group is connected on the epoxy resin molecular chain, and two or more epoxy groups are ensured to be contained.
The filler can be one or a mixture of more than two of organic silicon resin, silicon powder, graphene, polyamide-6 or 66 synthetic fibers.
The nanometer aggregation particle has the size of 0.01-50 microns and comprises the components of a mixture of titanium dioxide, zinc oxide, calcium carbonate and aluminum oxide, wherein the titanium dioxide accounts for 10-20%, the aluminum oxide accounts for 20-30% and the zinc oxide accounts for 5-30%.
The polyurethane is a polyurethane glue containing at least one urethane group, isocyanate group or isocyano group and a urethane group.
The aramid fiber is poly-p-phenylene terephthalamide with para-position structure of amide group connected on benzene ring.
Preferably, the polishing surface and the abrasive layer are prepared from the following raw materials in parts by weight:
20-30 parts of a second aqueous epoxy resin adhesive;
3-5 parts of a second filler;
1-10 parts of second nano aggregate particles;
1-10 parts of second polyurethane;
0.1-1 part of second aramid fiber;
5-15 parts of second nano aggregated silicon oxide;
the waterborne epoxy resin adhesive is characterized in that acrylic acid and maleic anhydride monomers are grafted in an epoxy resin molecular chain, a tertiary amine or quaternary ammonium base is contained in the epoxy resin molecular chain, or a hydrophilic polyoxyethylene group is connected on the epoxy resin molecular chain, and two or more epoxy groups are ensured to be contained.
The filler can be one or a mixture of more than two of organic silicon resin, silicon powder, graphene, polyamide-6 or 66 synthetic fibers.
The nanometer aggregation particle has the size of 0.01-50 microns and comprises the components of a mixture of titanium dioxide, zinc oxide, calcium carbonate and aluminum oxide, wherein the titanium dioxide accounts for 10-20%, the aluminum oxide accounts for 20-30% and the zinc oxide accounts for 5-30%.
The polyurethane is a polyurethane glue containing at least one urethane group, isocyanate group or isocyano group and a urethane group.
The aramid fiber is poly-p-phenylene terephthalamide with para-position structure of amide group connected on benzene ring.
Preferably, the nano aggregated silica is a mixture of natural silica and spherical fused silica.
Preferably, the raw materials of the anti-slip glue layer comprise the following components in parts by weight:
20-30 parts of a third aqueous epoxy resin adhesive;
3-5 parts of a third filler;
1-10 parts of third nano aggregate particles;
1-10 parts of third polyurethane;
0.1-1 part of a third aramid fiber;
5-15 parts of a third methyl vinyl silicone rubber;
the waterborne epoxy resin adhesive is characterized in that acrylic acid and maleic anhydride monomers are grafted in an epoxy resin molecular chain, a tertiary amine or quaternary ammonium base is contained in the epoxy resin molecular chain, or a hydrophilic polyoxyethylene group is connected on the epoxy resin molecular chain, and two or more epoxy groups are ensured to be contained.
The filler can be one or a mixture of more than two of organic silicon resin, silicon powder, graphene, polyamide-6 or 66 synthetic fibers.
The nanometer aggregation particle has the size of 0.01-50 microns and comprises the components of a mixture of titanium dioxide, zinc oxide, calcium carbonate and aluminum oxide, wherein the titanium dioxide accounts for 10-20%, the aluminum oxide accounts for 20-30% and the zinc oxide accounts for 5-30%.
The polyurethane is a polyurethane glue containing at least one urethane group, isocyanate group or isocyano group and a urethane group.
The aramid fiber is poly-p-phenylene terephthalamide with para-position structure of amide group connected on benzene ring.
Preferably, the methyl vinyl silicone rubber is formed by copolymerizing dimethyl siloxane and vinyl siloxane, and the vinyl content is 0.1-0.3%.
Preferably, the substrate is one or a mixture of two or more of glass fiber, carbon fiber, cotton, hemp, paper and metal.
The tensile white mill leather and the production method are characterized in that: the method comprises the following steps:
s1: uniformly mixing the proportioned first filler, first polyurethane and first aramid fiber, and then carrying out banburying at the temperature of 80-200 ℃ for 5-10 minutes to obtain a banburying product; mixing the nano aggregated particles and the water-based epoxy resin adhesive, placing the mixture in an oxygen-enriched state, stirring for 24-48 hours, coating the mixture on the surface of an internal mixing product after stirring, placing the mixture in an oven for vulcanization, wherein the temperature of the oven is 100-160 ℃, and the time is 5-10 minutes, and finally obtaining the tensile layer.
S2: the polishing material is coated on one side of a vulcanized tensile layer after being mixed with the raw materials of a polishing surface and a grinding material layer, the other side of the tensile layer is attached to a base material, and vulcanization is carried out for 5-20 minutes at the temperature of 100-160 ℃;
s3: and (3) mixing the raw materials of the anti-slip adhesive layer, coating the mixture on the vulcanized base material surface in the step two, and vulcanizing at the temperature of 100-160 ℃ for 5-20 minutes to obtain the white mill leather.
Compared with the prior art, the invention has the following beneficial effects:
the tensile white mill leather provided by the invention comprises a polishing surface, an abrasive layer, a tensile layer, a base material and an anti-slip glue layer which are sequentially arranged from top to bottom, wherein nano aggregated particles and a water-based epoxy resin glue are mixed and then placed in an oxygen-enriched state to be stirred for 24-48 hours, oxides in the nano aggregated particles react with oxygen to form a hollowed-out oxide film net layer, and the net layer is positioned among the polishing surface, the abrasive layer, the base material and the anti-slip glue layer to support the polishing surface, so that the white mill leather is strong in tensile property and not easy to deform; the preparation method is simple, safe, environment-friendly and easy to realize industrial continuous production.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a production flow chart of the present invention.
In the figure: 1. polishing the surface; 2. an abrasive layer; 3. a tensile layer; 4. a substrate; 5. and (4) an anti-slip adhesive layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1, a tensile white mill leather comprises a polishing surface 1, an abrasive layer 2, a tensile layer 3, a substrate 4 and an anti-slip glue layer 5, which are sequentially arranged from top to bottom, wherein the thickness of the substrate 4 is 1-3 mm.
The tensile layer 3 comprises the following raw materials in parts by weight: 46g of water-based epoxy resin adhesive, wherein a molecular chain of the epoxy resin is connected with a hydrophilic polyoxyethylene group and contains two epoxy groups; the filler is 10g of organic silicon resin; 5g of 0.01-50 micron nano-aggregate particles; 6g of a polyurethane containing one urethane group; 2g of poly (p-phenylene terephthalamide).
The polishing surface 1 and the abrasive layer 2 are prepared from the following raw materials in parts by weight: 46g of water-based epoxy resin adhesive, wherein a molecular chain of the epoxy resin is connected with a hydrophilic polyoxyethylene group and contains two epoxy groups; the filler is 10g of organic silicon resin; 5g of 0.01-50 micron nano-aggregate particles; 6g of a polyurethane containing one urethane group; 2g of poly (p-phenylene terephthalamide) and 12g of nano-aggregated silicon oxide.
The anti-slip glue layer 5 comprises the following raw materials in parts by weight: 46g of water-based epoxy resin adhesive, wherein a molecular chain of the epoxy resin is connected with a hydrophilic polyoxyethylene group and contains two epoxy groups; the filler is 10g of organic silicon resin; 5g of 0.01-50 micron nano-aggregate particles; 6g of a polyurethane containing one urethane group; 2g of poly-p-phenylene terephthamide and 12g of methyl vinyl silicone rubber, wherein the vinyl content is 0.2%.
The substrate 3 is one or a mixture of two or more of glass fiber, carbon fiber, cotton, hemp, paper and metal.
A tensile white buffing and a production method thereof comprise the following steps:
s1: uniformly mixing the proportioned first filler, first polyurethane and first aramid fiber, and then carrying out banburying at the temperature of 80-200 ℃ for 5-10 minutes to obtain a banburying product; mixing the nano aggregated particles and the water-based epoxy resin adhesive, placing the mixture in an oxygen-enriched state, stirring for 24-48 hours, coating the mixture on the surface of an internal mixing product after stirring, placing the mixture in an oven for vulcanization, wherein the temperature of the oven is 100-160 ℃, and the time is 5-10 minutes, and finally obtaining the tensile layer 3.
S2: the polishing material is coated on one side of a vulcanized tensile layer 3 according to the mixture ratio of the raw materials of a polishing surface 1 and an abrasive layer 2, the other side of the tensile layer 3 is attached to a base material 4, and vulcanization is carried out for 5-20 minutes at the temperature of 100-160 ℃;
s3: and (3) mixing the raw materials of the anti-slip glue layer 5, coating the mixture on the vulcanized base material 4 surface in the step two, and vulcanizing at the temperature of 100-160 ℃ for 5-20 minutes to obtain the white mill leather.
Example 2:
the difference between the embodiment 2 and the embodiment 1 is that the weight ratio of the raw materials of the tensile layer 3 is different, and the weight ratio of each component of the raw materials used for the tensile layer 3 is as follows: 46g of water-based epoxy resin adhesive, wherein a molecular chain of the epoxy resin is connected with a hydrophilic polyoxyethylene group and contains two epoxy groups; the filler is 10g of organic silicon resin; 1g of 0.01-50 micron nano-aggregate particles; 6g of a polyurethane containing one urethane group; 2g of poly (p-phenylene terephthalamide).
Example 3:
the difference between the embodiment 3 and the embodiment 1 is that the weight ratio of the raw materials of the tensile layer 3 is different, and the weight ratio of each component of the raw materials used for the tensile layer 3 is as follows: 46g of water-based epoxy resin adhesive, wherein a molecular chain of the epoxy resin is connected with a hydrophilic polyoxyethylene group and contains two epoxy groups; the filler is 10g of organic silicon resin; 3g of 0.01-50 micron nano-aggregate particles; 6g of a polyurethane containing one urethane group; 2g of poly (p-phenylene terephthalamide).
Example 4:
the difference between the embodiment 4 and the embodiment 1 is that the weight ratio of the raw materials of the tensile layer 3 is different, and the weight ratio of each component of the raw materials used for the tensile layer 3 is as follows: 46g of water-based epoxy resin adhesive, wherein a molecular chain of the epoxy resin is connected with a hydrophilic polyoxyethylene group and contains two epoxy groups; the filler is 10g of organic silicon resin; 7g of 0.01-50 micron nano-aggregate particles; 6g of a polyurethane containing one urethane group; 2g of poly (p-phenylene terephthalamide).
Example 5:
the difference between the embodiment 2 and the embodiment 1 is that the weight ratio of the raw materials of the tensile layer 3 is different, and the weight ratio of each component of the raw materials used for the tensile layer 3 is as follows: 46g of water-based epoxy resin adhesive, wherein a molecular chain of the epoxy resin is connected with a hydrophilic polyoxyethylene group and contains two epoxy groups; the filler is 10g of organic silicon resin; 10g of 0.01-50 micron nano-aggregate particles; 6g of a polyurethane containing one urethane group; 2g of poly (p-phenylene terephthalamide).
Comparative example 1:
the difference between examples 1-5 and comparative example 1 is that the weight ratio of the raw materials of the tensile layer 3 is different, and the weight ratio of the components of the raw materials used for the tensile layer 3 is as follows: 46g of water-based epoxy resin adhesive, wherein a molecular chain of the epoxy resin is connected with a hydrophilic polyoxyethylene group and contains two epoxy groups; the filler is 10g of organic silicon resin; 2g of poly (p-phenylene terephthalamide).
Comparative example 2 a white mill skin made by mixing epoxy resin glue and polyurethane was used.
The details of the mixture ratio of the components of the above examples 1 to 5 and comparative examples 1 and 2 are shown in Table 1.
Examples 1-5 and comparative examples 1, 2 were tested:
the test was carried out according to the regulations of GB/T3354-2014. Except that the content of nano aggregated particles in the raw materials of the tensile layer is different, the other raw materials are the same, 6 white mill skins with the same length are cut along the width direction, one end of each white mill skin is clamped, the other end of each white mill skin is pulled for 30 minutes by 40N force, the deformation of the white mill skin is measured after 1.5 ten thousand times of repetition, then the change conditions of the surface part and the inner part of each white mill skin are observed, whether cracks exist or not is observed, the white mill skin is kept still for 48 hours, the rebound quantity of the white mill skin is measured, and the surface of the comparative example 2 has dense coarse cracks.
Figure GDA0002896502790000071
Figure GDA0002896502790000081
TABLE 1
It can be seen from table 1 above that, the addition amount of the nano aggregated particles has a great influence on the tensile property of the white buff, when the addition amount of the nano aggregated particles is 5g, the aqueous epoxy resin adhesive is 46g, and the proportion of the nano aggregated particles to the aqueous epoxy resin adhesive is 9.8%, the overall performance of the material is the best, and the white buff made of polyurethane and epoxy resin adhesive has a higher tensile property and is not easy to deform compared with the traditional white buff made of polyurethane and epoxy resin adhesive.
In summary, the following steps: the tensile white mill leather provided by the invention comprises a polishing surface 1, an abrasive layer 2, a tensile layer 3, a substrate 4 and an anti-slip glue layer 5 which are sequentially arranged from top to bottom, wherein nano aggregated particles and a water-based epoxy resin glue are mixed and then placed in an oxygen-enriched state to be stirred for 24-48 hours, oxides in the nano aggregated particles react with oxygen to form a hollowed-out oxide film net layer, and the net layer is positioned among the polishing surface 1, the abrasive layer 2, the substrate 4 and the anti-slip glue layer 5 to support the polishing surface 1, so that the white mill leather is strong in tensile property and not easy to deform; the preparation method is simple, safe, environment-friendly and easy to realize industrial continuous production.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The tensile white mill leather is characterized in that: comprises a polishing surface (1), a grinding material layer (2), a tensile layer (3), a base material (4) and an anti-skid adhesive layer (5) which are arranged from top to bottom in sequence; the polishing surface (1), the abrasive layer (2), the tensile layer (3), the base material (4) and the anti-skid glue layer (5) are sequentially and compositely connected together from top to bottom; the thickness of the base material (4) is 1-3mm, and the tensile layer (3) is prepared from the following raw materials in parts by weight:
20-30 parts of a first aqueous epoxy resin adhesive;
3-5 parts of a first filler;
1-10 parts of first nano aggregate particles;
1-10 parts of first polyurethane;
0.1-1 part of first aramid fiber;
wherein, the waterborne epoxy resin glue is formed by grafting acrylic acid and maleic anhydride monomers in an epoxy resin molecular chain, containing tertiary amine or quaternary ammonium base in the epoxy resin molecular chain or connecting a hydrophilic polyoxyethylene group on the epoxy resin molecular chain and ensuring that the epoxy resin contains two or more epoxy groups;
the filler can be one or a mixture of more than two of organic silicon resin, silicon powder, graphene, polyamide-6 or 66 synthetic fibers;
the size of the nano aggregation particles is 0.01-50 microns, and the nano aggregation particles comprise a mixture of titanium dioxide, zinc oxide, calcium carbonate and alumina, wherein the titanium dioxide accounts for 10% -20%, the alumina accounts for 20% -30%, and the zinc oxide accounts for 5% -30%;
the polyurethane is a polyurethane glue containing at least one urethane group, isocyanate group or isocyano group and a urethane group;
the aramid fiber is poly-p-phenylene terephthalamide with para-position structure of amide group connected on benzene ring.
2. The stretch-proof white mill leather according to claim 1, characterized in that: the polishing surface (1) and the abrasive layer (2) are prepared from the following raw materials in parts by weight:
20-30 parts of a second aqueous epoxy resin adhesive;
3-5 parts of a second filler;
1-10 parts of second nano aggregate particles;
1-10 parts of second polyurethane;
0.1-1 part of second aramid fiber;
5-15 parts of second nano aggregated silicon oxide;
wherein, the waterborne epoxy resin glue is formed by grafting acrylic acid and maleic anhydride monomers in an epoxy resin molecular chain, containing tertiary amine or quaternary ammonium base in the epoxy resin molecular chain or connecting a hydrophilic polyoxyethylene group on the epoxy resin molecular chain and ensuring that the epoxy resin contains two or more epoxy groups;
the filler can be one or a mixture of more than two of organic silicon resin, silicon powder, graphene, polyamide-6 or 66 synthetic fibers;
the size of the nano aggregation particles is 0.01-50 microns, and the nano aggregation particles comprise a mixture of titanium dioxide, zinc oxide, calcium carbonate and alumina, wherein the titanium dioxide accounts for 10% -20%, the alumina accounts for 20% -30%, and the zinc oxide accounts for 5% -30%;
the polyurethane is a polyurethane glue containing at least one urethane group, isocyanate group or isocyano group and a urethane group;
the aramid fiber is poly-p-phenylene terephthalamide with para-position structure of amide group connected on benzene ring.
3. The anti-pulling white mill leather according to claim 2, characterized in that: the nano aggregated silicon oxide is a mixture of natural silicon oxide and spherical fused silicon oxide.
4. The stretch-proof white mill leather according to claim 1, characterized in that: the anti-slip glue layer (5) comprises the following raw materials in parts by weight:
20-30 parts of a third aqueous epoxy resin adhesive;
3-5 parts of a third filler;
1-10 parts of third nano aggregate particles;
1-10 parts of third polyurethane;
0.1-1 part of a third aramid fiber;
5-15 parts of a third methyl vinyl silicone rubber;
wherein, the waterborne epoxy resin glue is formed by grafting acrylic acid and maleic anhydride monomers in an epoxy resin molecular chain, containing tertiary amine or quaternary ammonium base in the epoxy resin molecular chain or connecting a hydrophilic polyoxyethylene group on the epoxy resin molecular chain and ensuring that the epoxy resin contains two or more epoxy groups;
the filler can be one or a mixture of more than two of organic silicon resin, silicon powder, graphene, polyamide-6 or 66 synthetic fibers;
the size of the nano aggregation particles is 0.01-50 microns, and the nano aggregation particles comprise a mixture of titanium dioxide, zinc oxide, calcium carbonate and alumina, wherein the titanium dioxide accounts for 10% -20%, the alumina accounts for 20% -30%, and the zinc oxide accounts for 5% -30%;
the polyurethane is a polyurethane glue containing at least one urethane group, isocyanate group or isocyano group and a urethane group;
the aramid fiber is poly-p-phenylene terephthalamide with para-position structure of amide group connected on benzene ring.
5. The stretch-proof white mill leather according to claim 4, characterized in that: the methyl vinyl silicone rubber is formed by copolymerizing dimethyl siloxane and vinyl siloxane, and the vinyl content is 0.1-0.3%.
6. The stretch-proof white mill leather according to claim 1, characterized in that: the base material (3) is one or a mixture of more than two of glass fiber, carbon fiber, cotton, hemp, paper and metal.
7. The method for producing a tensile white mill leather according to any one of claims 1 to 6, characterized in that: the method comprises the following steps:
s1: uniformly mixing the proportioned first filler, first polyurethane and first aramid fiber, and then carrying out banburying at the temperature of 80-200 ℃ for 5-10 minutes to obtain a banburying product; mixing the nano aggregated particles and the water-based epoxy resin adhesive, placing the mixture in an oxygen-enriched state, stirring for 24-48 hours, coating the mixture on the surface of an internal mixing product after stirring, placing the mixture in an oven for vulcanization, wherein the temperature of the oven is 100-160 ℃, and the time is 5-10 minutes, and finally obtaining a tensile layer (3);
s2: the polishing material is coated on one side of a vulcanized tensile layer (3) after being mixed according to the raw materials of a polishing surface (1) and an abrasive layer (2), the other side of the tensile layer (3) is attached to a base material (4), and vulcanization is carried out for 5-20 minutes at the temperature of 100-160 ℃;
s3: and (3) mixing the raw materials of the anti-slip glue layer (5), coating the mixture on the surface of the vulcanized base material (4) in the step two, and vulcanizing at the temperature of 100-160 ℃ for 5-20 minutes to obtain the white mill leather.
CN201911082251.8A 2019-11-07 2019-11-07 Tensile white mill leather and production method thereof Active CN110712143B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911082251.8A CN110712143B (en) 2019-11-07 2019-11-07 Tensile white mill leather and production method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911082251.8A CN110712143B (en) 2019-11-07 2019-11-07 Tensile white mill leather and production method thereof

Publications (2)

Publication Number Publication Date
CN110712143A CN110712143A (en) 2020-01-21
CN110712143B true CN110712143B (en) 2021-05-18

Family

ID=69213784

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911082251.8A Active CN110712143B (en) 2019-11-07 2019-11-07 Tensile white mill leather and production method thereof

Country Status (1)

Country Link
CN (1) CN110712143B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111516363A (en) * 2020-05-25 2020-08-11 安徽禾臣新材料有限公司 White buffing three-layer gluing compounding device and method
CN113510634B (en) * 2021-03-31 2022-08-23 安徽禾臣新材料有限公司 Porous groove white pad for polishing and grinding and production method thereof
CN115194642B (en) * 2022-07-29 2023-08-11 安徽禾臣新材料有限公司 Wax-free pad for preventing wafer from stripping for wafer polishing and production process thereof
CN115194641B (en) * 2022-07-29 2023-08-11 安徽禾臣新材料有限公司 High-flatness white pad for semiconductor polishing and preparation process thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105290988A (en) * 2015-10-23 2016-02-03 上虞市自远磨具有限公司 Leather abrasive paper capable of polishing curved surface materials and preparation method thereof
CN106245089A (en) * 2016-09-09 2016-12-21 广东欧珀移动通信有限公司 High light technique after a kind of aluminium alloy anode oxide and Al-alloy products
KR20180066015A (en) * 2018-06-07 2018-06-18 김명묵 A polishing cloth using polyurethane foaming resin and method for manufacturing it
CN108505354A (en) * 2018-04-24 2018-09-07 安徽禾臣新材料有限公司 A kind of preparation method of high-precision camera lenses polishing grinding damping cloth
CN207972375U (en) * 2018-02-05 2018-10-16 无锡市恒利弘实业有限公司 A kind of multilayer polishing mattress built with protrusion

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105290988A (en) * 2015-10-23 2016-02-03 上虞市自远磨具有限公司 Leather abrasive paper capable of polishing curved surface materials and preparation method thereof
CN106245089A (en) * 2016-09-09 2016-12-21 广东欧珀移动通信有限公司 High light technique after a kind of aluminium alloy anode oxide and Al-alloy products
CN207972375U (en) * 2018-02-05 2018-10-16 无锡市恒利弘实业有限公司 A kind of multilayer polishing mattress built with protrusion
CN108505354A (en) * 2018-04-24 2018-09-07 安徽禾臣新材料有限公司 A kind of preparation method of high-precision camera lenses polishing grinding damping cloth
KR20180066015A (en) * 2018-06-07 2018-06-18 김명묵 A polishing cloth using polyurethane foaming resin and method for manufacturing it

Also Published As

Publication number Publication date
CN110712143A (en) 2020-01-21

Similar Documents

Publication Publication Date Title
CN110712143B (en) Tensile white mill leather and production method thereof
CN108913082B (en) Water-based environment-friendly polyurethane adhesive, and preparation method and application thereof
KR20200092917A (en) Polyimide film and method for preparing the same
JP2019529963A (en) Low Tg polyurethane protective display film
CN109627963B (en) Super-wear-resistant self-cleaning coating and preparation method thereof
CN111057517A (en) Bi-component fast curing type organic silicon structural adhesive and preparation method thereof
CN103360564B (en) A kind of hyperbranched non-ionic water polyurethane and the application in glass fiber infiltration agent thereof
CN104583353A (en) Urea-based and urethane-based pressure sensitive adhesive blends
JP2020506084A (en) Polyimide film and manufacturing method thereof
CN101607384A (en) The preparation method of UEA116 super-precision grinding grinding belt
CN107099269A (en) Epoxy resin modification silyl-terminated polyether two component adhesive and preparation method thereof
CN112876690A (en) High-strength self-repairing waterborne polyurethane composite material and preparation method thereof
CN105073797B (en) The preparation method of polarizer diaphragm resin combination, polarizer diaphragm, the Polarizer containing the diaphragm and Polarizer
CN114058313B (en) High-adhesion thermosetting adhesive film and preparation method and application thereof
KR101924187B1 (en) Polyurea waterproof agent with noflame property and manufacturing method thereof and waterproof method using thereof
CN111234167B (en) Preparation method of high-stability organic silicon modified waterborne polyurethane
CN113025176A (en) Polishing layer for chemical mechanical polishing, preparation method thereof and application of polishing layer in preparing polishing pad
CN103949987A (en) Elastic abrasive material and preparation method thereof
KR101102867B1 (en) Composition of Water-dispersive Re-emulsifiable Polyurethane/Arcrylate Copolymer Hybrid and Method of Producing the Same
CN114770367B (en) Elastic porous polishing white pad for edging display screen and production process thereof
KR20130120424A (en) Thermoset coating composition having self-healing capacity, coating film, and preparation method of coating film
CN115595032A (en) Preparation and application of transparent stretchable super-hydrophobic coating
CN113943544A (en) Water-based environment-friendly adhesive and preparation method thereof
CN114214021A (en) Raw material composition for preparing optical adhesive, optical adhesive and optical adhesive film
CN1727423A (en) Resin binder modified by Nano silicon dioxide, and preparation method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant