CN114213782A - High-wear-resistance decorative film and preparation method thereof - Google Patents
High-wear-resistance decorative film and preparation method thereof Download PDFInfo
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- CN114213782A CN114213782A CN202111501412.XA CN202111501412A CN114213782A CN 114213782 A CN114213782 A CN 114213782A CN 202111501412 A CN202111501412 A CN 202111501412A CN 114213782 A CN114213782 A CN 114213782A
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- 238000002360 preparation method Methods 0.000 title abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 38
- 239000010439 graphite Substances 0.000 claims abstract description 38
- 239000000945 filler Substances 0.000 claims abstract description 13
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 13
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 239000003381 stabilizer Substances 0.000 claims abstract description 7
- 230000001147 anti-toxic effect Effects 0.000 claims abstract description 6
- 239000000314 lubricant Substances 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 6
- 229920005989 resin Polymers 0.000 claims abstract description 6
- 239000011347 resin Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 11
- 229940043810 zinc pyrithione Drugs 0.000 claims description 11
- PICXIOQBANWBIZ-UHFFFAOYSA-N zinc;1-oxidopyridine-2-thione Chemical compound [Zn+2].[O-]N1C=CC=CC1=S.[O-]N1C=CC=CC1=S PICXIOQBANWBIZ-UHFFFAOYSA-N 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000002244 precipitate Substances 0.000 claims description 10
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 claims description 4
- PORQOHRXAJJKGK-UHFFFAOYSA-N 4,5-dichloro-2-n-octyl-3(2H)-isothiazolone Chemical compound CCCCCCCCN1SC(Cl)=C(Cl)C1=O PORQOHRXAJJKGK-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims 2
- 239000005543 nano-size silicon particle Substances 0.000 description 8
- 235000012239 silicon dioxide Nutrition 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 239000000729 antidote Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- 235000021355 Stearic acid Nutrition 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 3
- 239000008116 calcium stearate Substances 0.000 description 3
- 235000013539 calcium stearate Nutrition 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 3
- 239000008117 stearic acid Substances 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 229920006026 co-polymeric resin Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- CVNKFOIOZXAFBO-UHFFFAOYSA-J tin(4+);tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Sn+4] CVNKFOIOZXAFBO-UHFFFAOYSA-J 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
-
- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/0091—Complexes with metal-heteroatom-bonds
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/45—Heterocyclic compounds having sulfur in the ring
- C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
- C08K5/47—Thiazoles
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses a high-wear-resistance decorative film and a preparation method thereof, wherein the decorative film comprises the following raw materials in parts by weight: 100-120 parts of polyvinyl chloride resin powder, 5-10 parts of filler, 5-8 parts of flexible graphite, 2-5 parts of antitoxic agent, 2-3 parts of stabilizer and 3-5 parts of lubricant.
Description
Technical Field
The invention relates to the technical field of PVC films, and particularly belongs to a high-wear-resistance decorative film and a preparation method thereof.
Background
The PVC floor is produced by taking polyvinyl chloride and copolymer resin thereof as main raw materials, adding auxiliary materials such as a filler, a plasticizer, a stabilizer, a coloring agent and the like, and coating or calendaring, extruding or extruding the polyvinyl chloride and copolymer resin on a flaky continuous substrate. The most key component of the PVC floor is a surface layer composite decorative film which plays roles of surface decoration, wear resistance, weather resistance, corrosion resistance and the like and has important influence on the service life of the floor.
Disclosure of Invention
The invention aims to provide a high-wear-resistance decorative film and a preparation method thereof, and solves the problem of insufficient wear resistance of the existing decorative film.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a high-wear-resistance decorative film comprises the following raw materials in parts by weight: 100-120 parts of polyvinyl chloride resin powder, 5-10 parts of filler, 5-8 parts of flexible graphite, 2-5 parts of antitoxic agent, 2-3 parts of stabilizer and 3-5 parts of lubricant.
The filler is a mixture of nano silicon dioxide and nano alumina, and the mass ratio of the nano silicon dioxide to the nano alumina is 1: 1.2-1.5.
The preparation method of the flexible graphite comprises the following steps: placing expandable graphite in an environment with the temperature of 800-1000 ℃, heating for 1-2 minutes, taking out, cooling to room temperature to obtain pre-expanded graphite, immersing the pre-expanded graphite into an aqueous solution containing tin chloride, then dropwise adding a sodium hydroxide solution until the pH value of the solution is 10-12, then filtering, and drying to obtain a precipitate; and heating the precipitate in an environment of 800-1000 ℃ for 1-2 minutes, taking out, cooling to room temperature, crushing, immersing into an ethanol solution containing a silane coupling agent, taking out, and drying ethanol to obtain the flexible graphite.
The antidote is a mixture of zinc pyrithione and 4, 5-dichloro-N-octyl-4-isothiazoline-3-ketone, and the mass ratio of the zinc pyrithione to the 4, 5-dichloro-N-octyl-4-isothiazoline-3-ketone is 1: 1.5-2.0.
A method of making a decorative film comprising the steps of: feeding the film raw material into a Banbury mixer, feeding the film raw material into a double-screw extruder, extruding the film raw material through a die head, and stretching the film raw material into a tubular blank; then the blank is blown by air, so that the thickness of the tubular blank is reduced to 0.15-0.2mm, and a film tube is formed; and cooling and flattening the film tube, splitting the film tube into an upper sheet and a lower sheet, and respectively rolling to obtain the decorative film.
Compared with the prior art, the invention has the following implementation effects:
1. according to the invention, flexible graphite is used as a filling material of the decorative film, and under the action of the lubricating capacity of the graphite, the graphite inserted between PVC molecules improves the fluidity between the PVC molecules, so that the elongation at break of the decorative film is improved.
2. According to the invention, tin chloride and sodium hydroxide are used for reaction, so that the generated tin hydroxide is clamped between graphite flakes of the pre-expanded graphite, the pre-expanded graphite can fully adsorb a silane coupling agent, in the secondary heating expansion process, the tin hydroxide is decomposed to generate a large amount of steam, the volume of the pre-expanded graphite is greatly improved, and the formed tin oxide avoids recombination of all layers of the expanded graphite, so that the wear resistance of the device film is effectively improved.
3. According to the invention, zinc pyrithione and 4, 5-dichloro-N-octyl-4-isothiazoline-3-ketone are used as the antidote, so that the gram bacteria resistance of the decorative film is effectively improved;
4. the decorative film disclosed by the invention has excellent mechanical property and wear resistance, and is excellent in gram-resistant performance.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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
Heating expandable graphite in an environment at 800 ℃ for 2 minutes, taking out, cooling to room temperature to obtain pre-expanded graphite, immersing the pre-expanded graphite into an aqueous solution containing tin chloride, then dropwise adding a sodium hydroxide solution until the pH value of the solution is 10, then filtering, and drying to obtain a precipitate; and heating the precipitate again in an environment at 1000 ℃ for 1 minute, taking out, cooling to room temperature, crushing, immersing into an ethanol solution containing a silane coupling agent, taking out, and drying ethanol to obtain the flexible graphite.
100kg of polyvinyl chloride resin powder, 5kg of filler, 5kg of flexible graphite, 2kg of antitoxic agent, 2kg of calcium stearate stabilizer and 3kg of lubricant stearic acid are stirred and mixed uniformly, and then the mixture is put into an internal mixer for internal mixing for 10min at 140 ℃, wherein the filler is a mixture of nano silicon dioxide and nano alumina, and the mass ratio of the nano silicon dioxide to the nano alumina is 1: 1.2; the antidote is a mixture of zinc pyrithione and 4, 5-dichloro-N-octyl-4-isothiazoline-3-ketone, and the mass ratio of the zinc pyrithione to the 4, 5-dichloro-N-octyl-4-isothiazoline-3-ketone is 1: 1.5; and after banburying, sending the mixture into a double-screw extruder, extruding the mixture through a die head with the temperature of 170 ℃, stretching the mixture into a tubular blank, then blowing the blank at 150 ℃ by using air to reduce the thickness of the tubular blank to 0.15mm to form a film tube, cooling the film tube to 70 ℃, flattening the film tube, splitting the film tube into an upper sheet and a lower sheet, and respectively rolling the upper sheet and the lower sheet to obtain the decorative film.
Example 2
Placing expandable graphite in an environment at 1000 ℃ for 1 minute, taking out, cooling to room temperature to obtain pre-expanded graphite, immersing the pre-expanded graphite into an aqueous solution containing tin chloride, then dropwise adding a sodium hydroxide solution until the pH value of the solution is 12, then filtering, and drying to obtain a precipitate; and heating the precipitate in an environment at 800 ℃ for 2 minutes again, taking out, cooling to room temperature, crushing, immersing in an ethanol solution containing a silane coupling agent, taking out, and drying ethanol to obtain the flexible graphite.
Uniformly stirring and mixing 120kg of polyvinyl chloride resin powder, 10kg of filler, 8kg of flexible graphite, 5kg of antitoxic agent, 3kg of calcium stearate stabilizer and 5kg of lubricant stearic acid, and then putting the mixture into an internal mixer for internal mixing at 140 ℃ for 10-15min, wherein the filler is a mixture of nano silicon dioxide and nano alumina, and the mass ratio of the nano silicon dioxide to the nano alumina is 1: 1.5; the antidote is a mixture of zinc pyrithione and 4, 5-dichloro-N-octyl-4-isothiazoline-3-ketone, and the mass ratio of the zinc pyrithione to the 4, 5-dichloro-N-octyl-4-isothiazoline-3-ketone is 1: 2.0; and after banburying, sending the mixture into a double-screw extruder, extruding the mixture through a die head with the temperature of 170 ℃, stretching the mixture into a tubular blank, then blowing the blank at 150 ℃ by using air to reduce the thickness of the tubular blank to 0.2mm to form a film tube, cooling the film tube to 70 ℃, flattening the film tube, splitting the film tube into an upper sheet and a lower sheet, and respectively rolling the upper sheet and the lower sheet to obtain the decorative film.
Example 3
Heating expandable graphite in an environment at 800 ℃ for 2 minutes, taking out, cooling to room temperature to obtain pre-expanded graphite, immersing the pre-expanded graphite into an aqueous solution containing tin chloride, then dropwise adding a sodium hydroxide solution until the pH value of the solution is 11, then filtering, and drying to obtain a precipitate; and heating the precipitate in 1000 ℃ environment for 2 minutes again, taking out, cooling to room temperature, crushing, immersing in an ethanol solution containing a silane coupling agent, taking out, and drying ethanol to obtain the flexible graphite.
Stirring and mixing 10kg of polyvinyl chloride resin powder, 8kg of filler, 7kg of flexible graphite, 4kg of antitoxic agent, 3kg of calcium stearate stabilizer and 4kg of lubricant stearic acid uniformly, and then putting the mixture into an internal mixer for internal mixing at 140 ℃ for 12min, wherein the filler is a mixture of nano silicon dioxide and nano alumina, and the mass ratio of the nano silicon dioxide to the nano alumina is 1: 1.4; the antidote is a mixture of zinc pyrithione and 4, 5-dichloro-N-octyl-4-isothiazoline-3-ketone, and the mass ratio of the zinc pyrithione to the 4, 5-dichloro-N-octyl-4-isothiazoline-3-ketone is 1: 1.8; and after banburying, sending the mixture into a double-screw extruder, extruding the mixture through a die head with the temperature of 170 ℃, stretching the mixture into a tubular blank, then blowing the blank at 150 ℃ by using air to reduce the thickness of the tubular blank to 0.15mm to form a film tube, cooling the film tube to 70 ℃, flattening the film tube, splitting the film tube into an upper sheet and a lower sheet, and respectively rolling the upper sheet and the lower sheet to obtain the decorative film.
Comparative example 1
The difference from example 3 is that the flexible graphite was replaced by an expandable graphite of equal mass.
Comparative example 2
The difference from example 3 is that the antidote is 4, 5-dichloro-N-octyl-4-isothiazolin-3-one.
Comparative example 3
The difference from example 3 is that the filler is alumina.
The decorative films of examples 1-3 and comparative examples 1-3 were tested for abrasion resistance according to the method of GB/T1768-:
| tensile strength/MPa | Elongation at break/% | 24h antibacterial ratio% | Rate of wear/%) | |
| Example 1 | 48 | 193 | 100 | 0.52 |
| Example 2 | 46 | 196 | 100 | 0.57 |
| Example 3 | 49 | 198 | 100 | 0.54 |
| Comparative example 1 | 37 | 164 | 100 | 1.43 |
| Comparative example 2 | 48 | 201 | 86.4 | 0.49 |
| Comparative example 3 | 41 | 181 | 100 | 0.87 |
The data in the table show that the wear rate of the decorative film is not more than 0.6%, the decorative film has excellent wear resistance, good antibacterial property and excellent mechanical property, and can meet the use requirement of the floor.
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 (5)
1. The high-wear-resistance decorative film is characterized by comprising the following raw materials in parts by weight: 100-120 parts of polyvinyl chloride resin powder, 5-10 parts of filler, 5-8 parts of flexible graphite, 2-5 parts of antitoxic agent, 2-3 parts of stabilizer and 3-5 parts of lubricant.
2. The high abrasion resistant decorative film according to claim 1, wherein said filler is a mixture of nano silica and nano alumina, and the mass ratio of said nano silica to said nano alumina is 1: 1.2-1.5.
3. The high abrasion resistant decorative film according to claim 1, wherein the flexible graphite is prepared by the following steps: placing expandable graphite in an environment with the temperature of 800-1000 ℃, heating for 1-2 minutes, taking out, cooling to room temperature to obtain pre-expanded graphite, immersing the pre-expanded graphite into an aqueous solution containing tin chloride, then dropwise adding a sodium hydroxide solution until the pH value of the solution is 10-12, then filtering, and drying to obtain a precipitate; and heating the precipitate in an environment of 800-1000 ℃ for 1-2 minutes, taking out, cooling to room temperature, crushing, immersing into an ethanol solution containing a silane coupling agent, taking out, and drying ethanol to obtain the flexible graphite.
4. The highly abrasion-resistant decorative film according to claim 1, wherein the poison-proof agent is a mixture of zinc pyrithione and 4, 5-dichloro-N-octyl-4-isothiazolin-3-one, and the mass ratio of the zinc pyrithione to the 4, 5-dichloro-N-octyl-4-isothiazolin-3-one is 1: 1.5-2.0.
5. A method for producing the decorative film of any one of claims 1 to 4, comprising the steps of: feeding the film raw material into a Banbury mixer, feeding the film raw material into a double-screw extruder, extruding the film raw material through a die head, and stretching the film raw material into a tubular blank; then the blank is blown by air, so that the thickness of the tubular blank is reduced to 0.15-0.2mm, and a film tube is formed; and cooling and flattening the film tube, splitting the film tube into an upper sheet and a lower sheet, and respectively rolling to obtain the decorative film.
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| CN202111501412.XA CN114213782A (en) | 2021-12-09 | 2021-12-09 | High-wear-resistance decorative film and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115260681A (en) * | 2022-09-29 | 2022-11-01 | 江苏潮启新材料科技有限公司 | Impact-resistant flame-retardant decorative film and preparation method thereof |
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| CN106977840A (en) * | 2017-03-27 | 2017-07-25 | 南京工业大学 | A kind of preparation method of high-strength wearable nano polyvinyl chloride laminated film |
| CN107446264A (en) * | 2017-08-15 | 2017-12-08 | 安徽嘉阳新材料科技有限公司 | A kind of antibacterial and mouldproof floor film and its preparation technology |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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