CN114085401B - Self-repairing scratch-resistant paint protective film - Google Patents
Self-repairing scratch-resistant paint protective film Download PDFInfo
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- CN114085401B CN114085401B CN202111618935.2A CN202111618935A CN114085401B CN 114085401 B CN114085401 B CN 114085401B CN 202111618935 A CN202111618935 A CN 202111618935A CN 114085401 B CN114085401 B CN 114085401B
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- resistant paint
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- 230000001681 protective effect Effects 0.000 title claims abstract description 75
- 239000003973 paint Substances 0.000 title claims abstract description 66
- 230000003678 scratch resistant effect Effects 0.000 title claims abstract description 44
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 67
- 239000011248 coating agent Substances 0.000 claims abstract description 48
- 238000000576 coating method Methods 0.000 claims abstract description 48
- 229920005989 resin Polymers 0.000 claims abstract description 29
- 239000011347 resin Substances 0.000 claims abstract description 29
- 239000003960 organic solvent Substances 0.000 claims abstract description 24
- 229920001971 elastomer Polymers 0.000 claims abstract description 23
- 239000003822 epoxy resin Substances 0.000 claims abstract description 21
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 21
- 229920006122 polyamide resin Polymers 0.000 claims abstract description 20
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims description 57
- 239000003607 modifier Substances 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 34
- 238000002156 mixing Methods 0.000 claims description 21
- 238000001035 drying Methods 0.000 claims description 20
- 238000003860 storage Methods 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000005303 weighing Methods 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 238000012216 screening Methods 0.000 claims description 9
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 6
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- 239000004952 Polyamide Substances 0.000 claims description 6
- -1 aliphatic isocyanate Chemical class 0.000 claims description 6
- 239000007822 coupling agent Substances 0.000 claims description 6
- 239000012948 isocyanate Substances 0.000 claims description 6
- 229920002647 polyamide Polymers 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000011068 loading method Methods 0.000 claims description 5
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical group [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000000806 elastomer Substances 0.000 claims description 4
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 3
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims description 3
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 claims description 3
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 150000004645 aluminates Chemical class 0.000 claims description 3
- XXBDWLFCJWSEKW-UHFFFAOYSA-N dimethylbenzylamine Chemical compound CN(C)CC1=CC=CC=C1 XXBDWLFCJWSEKW-UHFFFAOYSA-N 0.000 claims description 3
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 229920006124 polyolefin elastomer Polymers 0.000 claims description 3
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 2
- 238000005520 cutting process Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000004132 cross linking Methods 0.000 abstract description 2
- 229920000642 polymer Polymers 0.000 abstract description 2
- 230000004224 protection Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000009966 trimming Methods 0.000 description 4
- 230000006750 UV protection Effects 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004970 Chain extender Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 150000004291 polyenes Chemical class 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 229920006345 thermoplastic polyamide Polymers 0.000 description 1
- 238000012546 transfer Methods 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
- B65H18/103—Reel-to-reel type web winding and unwinding mechanisms
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
- C08J7/065—Low-molecular-weight organic substances, e.g. absorption of additives in the surface of the article
-
- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- 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
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
-
- 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
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
-
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a self-repairing scratch-resistant paint protective film, which relates to the technical field of protective films and is prepared from the following components in parts by mass: 4.8-5.6 parts of polyamide resin, 3.3-5.0 parts of transparent soft rubber, 11.0-13.0 parts of TPU resin, 2.2-3.1 parts of ultraviolet shielding agent, 4.5-4.8 parts of curing agent, 1.1-2.0 parts of epoxy resin, 0.9-1.6 parts of emulsifying agent, 2.3-6.0 parts of surface modifying agent and 5.1-7.8 parts of organic solvent are mixed with each other to generate crosslinking reaction to form insoluble and infusible high polymer with three-way net structure by virtue of the TPU resin, the curing agent and the epoxy resin, so that the paint protective film has excellent insulating property, strong adhesive force and chemical corrosion resistance, and a layer of organic coating can be formed on the surface of the paint protective film by adding the surface modifying agent, thereby playing a role of deformation recovery, and realizing the function of automatically repairing the paint protective film.
Description
Technical Field
The invention relates to the technical field of protective films, in particular to a self-repairing scratch-resistant paint protective film.
Background
The existing paint surface protective film is a transparent protective film adhered to the paint on the surface of a product, is mainly used in the industries of automobile cosmetology and the like in the automobile aftermarket, and can achieve the effect of protecting the original factory automobile paint of an automobile from being damaged by external force.
But the lacquer coating that appears on the existing market is after receiving external factor to lead to damaging, can't carry out self-repairing, influences pleasing to the eye for the user needs to change the protection film, and does not have the effect that supports ultraviolet resistance, thereby easily causes the protection film ageing, influences life, and for this reason, the staff in this field has proposed a self-repairing scratch-resistant lacquer coating.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a self-repairing scratch-resistant paint protective film, which solves the problems that the existing paint protective film is weak in repair scratch resistance and does not have the effect of resisting ultraviolet rays, so that the ageing of the protective film is easy to cause and the service life is influenced.
In order to achieve the above purpose, the invention is realized by the following technical scheme: a step of
In a first aspect, the invention provides a self-repairing scratch-resistant paint protective film, which comprises the following components: polyamide resin, transparent soft gel, TPU resin, ultraviolet screening agent, curing agent, epoxy resin, emulsifying agent, surface modifying agent and organic solvent;
the self-repairing scratch-resistant paint surface protective film is prepared from the following components in parts by mass: 4.8-5.6 parts of polyamide resin, 3.3-5.0 parts of transparent soft rubber, 11.0-13.0 parts of TPU resin, 2.2-3.1 parts of ultraviolet shielding agent, 4.5-4.8 parts of curing agent, 1.1-2.0 parts of epoxy resin, 0.9-1.6 parts of emulsifying agent, 2.3-6.0 parts of surface modifying agent and 5.1-7.8 parts of organic solvent.
As a preferable technical scheme of the invention, the self-repairing scratch-resistant paint protective film is prepared from the following components in parts by mass: 4.8 parts of polyamide resin, 3.3 parts of transparent soft rubber, 11.0 parts of TPU resin, 2.2 parts of ultraviolet shielding agent, 4.5 parts of curing agent, 1.1 parts of epoxy resin, 0.9 part of emulsifying agent, 2.3 parts of surface modifying agent and 5.1 parts of organic solvent.
As a preferable technical scheme of the invention, the self-repairing scratch-resistant paint protective film is prepared from the following components in parts by mass: 5.0 parts of polyamide resin, 4.5 parts of transparent soft rubber, 12.0 parts of TPU resin, 2.8 parts of ultraviolet shielding agent, 4.6 parts of curing agent, 1.6 parts of epoxy resin, 1.3 parts of emulsifier, 4.4 parts of surface modifier and 6.5 parts of organic solvent.
As a preferable technical scheme of the invention, the self-repairing scratch-resistant paint protective film is prepared from the following components in parts by mass: 5.6 parts of polyamide resin, 5.0 parts of transparent soft rubber, 13.0 parts of TPU resin, 3.1 parts of ultraviolet shielding agent, 4.8 parts of curing agent, 2.0 parts of epoxy resin, 1.6 parts of emulsifier, 6.0 parts of surface modifier and 7.8 parts of organic solvent.
As a preferable technical scheme of the invention, the transparent soft rubber is one or more of PVC, polyamide elastomer, polyolefin elastomer and polyurethane elastomer, the curing agent is one or more of dimethylbenzylamine, aliphatic isocyanate and alicyclic isocyanate, the ultraviolet shielding agent is nano titanium dioxide, the surface modifying agent is one or more of silane coupling agent, titanate coupling agent, aluminate coupling agent and stearic acid, and the organic solvent is one or more of butanone, toluene, methyl isobutyl ketone, ethyl acetate, butyl acetate and propylene glycol methyl ether.
In a second aspect, the invention also provides a self-repairing scratch-resistant paint protective film, which comprises the following steps: s1, weighing: weighing the components for preparing the self-repairing scratch-resistant paint protective film according to the proportion by using a weighing device, placing polyamide resin, transparent soft gum, an ultraviolet screening agent, a curing agent, an emulsifying agent and an organic solvent in a container A, placing TPU resin and epoxy resin in a container B, and finally placing a surface modifying agent in a container C;
s2, primary mixing: adding the components in the container A into a mixer, wherein the mixing time is 25-30min, and the rotating speed is 500-600r/min until the components are fully mixed for reaction;
s3, secondary mixing: adding the components in the container B into the mixture in the step S2, continuously stirring and mixing for 40-50min at 500-600r/min to obtain TPU raw materials;
s4, stretch forming: the TPU mixture obtained in the step S3 is sent into film forming stretching equipment, and is stretched and molded, so that a primary paint protective film can be obtained;
s5, coating: coating a layer of surface modifier on the surface of the primary paint surface protective film in the step S4 by using coating equipment, wherein the dry coating amount is 10-20 mu m, and the self-repairing scratch-resistant paint surface protective film can be obtained;
s6, drying and forming: the product obtained in the step S5 is sent into a drying device, the drying temperature is 40-120 ℃, the drying time is 8-12 min, and the product is peeled by a film peeling machine;
s7, loading and warehousing: and (3) slitting and winding the steel wire by using a trimming machine and a winding machine according to requirements, and storing the steel wire in a warehouse.
In the above-mentioned steps of the method,
the coating equipment in the step S5 comprises a base, a winding mechanism, a placing plate and an upper coating assembly are fixedly arranged at the top of the base, a modifier storage box is fixedly arranged at the upper end of the placing plate, a lower coating roller penetrates through the interior of the modifier storage box, and a collecting box is arranged at the upper end of the base and below the winding mechanism.
As a preferable technical scheme of the invention, the winding mechanism comprises a motor, a winding assembly and a winding and unwinding assembly which have the same structure, and one ends of the winding assembly and the winding and unwinding assembly are jointly sleeved with a belt pulley group.
As the preferable technical scheme of the invention, the rolling assembly comprises a first rolling roller and a second rolling roller, wherein a first limiting ring and a second limiting ring are respectively sleeved at opposite and separated ends of the first rolling roller and the second rolling roller, a hydraulic rod is fixedly arranged in the first rolling roller, a telescopic end of the hydraulic rod and the second limiting ring form a fixed connection structure through a cross connecting piece, a plurality of groups of equidistant and circumferentially distributed convex blocks are fixedly arranged in the second rolling roller and positioned at one side of the cross connecting piece, and grooves which are in one-to-one correspondence with the convex blocks and are matched with the convex blocks are formed in the first rolling roller.
As a preferable technical scheme of the invention, the upper coating component comprises a water pump, a modifier storage box and a supporting seat, wherein a liquid inlet plate is fixedly arranged on one side of the supporting seat, a sponge head is fixedly arranged at the bottom of the liquid inlet plate, a cavity is arranged in the liquid inlet plate, and a plurality of groups of equidistant liquid outlet holes are formed in one end of the bottom of the cavity.
As the preferable technical scheme of the invention, the liquid inlet plate is inclined, the water inlet end of the water pump forms a through fixed connection structure with the modifier storage box through the liquid outlet pipe, the water outlet end of the water pump forms a through fixed connection structure with the cavity through the liquid inlet pipe, and the power driving end of the motor is connected with the belt pulley group.
Advantageous effects
The invention provides a self-repairing scratch-resistant paint protective film. Compared with the prior art, the method has the following beneficial effects:
1. a self-repairing scratch-resistant paint protection film is provided, which is formed by mutually mixing TPU resin, curing agent and epoxy resin to generate crosslinking reaction so as to form insoluble and infusible high polymer with a three-way net structure, so that the paint protection film has excellent insulating property, strong adhesive force and chemical corrosion resistance, and a layer of organic coating can be formed on the surface of the paint protection film by adding a surface modifier so as to play a role in deformation recovery, thereby realizing the function of automatically repairing the paint protection film.
2. The self-repairing scratch-resistant paint protective film has the advantages that the transparent soft rubber and the polyamide resin are added, so that the overall toughness can be increased, the wear resistance and the heat resistance can be improved, the impact resistance can be further improved, the ultraviolet screening agent is added, the effect of resisting ultraviolet rays can be achieved, the protective effect on the automotive finish is achieved, and the falling of the finish is avoided.
3. The utility model provides a self-repairing scratch-resistant paint protection film, through the upper end fixed mounting of placing the board has modifier case, the inside of modifier case is run through and is had lower coating roller, the upper end of base and be located winding mechanism's below and have been placed the box of collecting, the top fixed mounting at the base has the coating subassembly, so during the use, not only can be to the upper surface and the lower surface of protection film, evenly coat the modifier simultaneously, but also can be in the roll-up in-process, timely collection is carried out excessive extruded modifier liquid, avoid scattering everywhere, be convenient for reuse once more, thereby the input cost has been reduced.
4. The utility model provides a self-repairing scratch-resistant paint surface protection film, through at the inside fixed mounting of first roller has the hydraulic stem, and the flexible end of hydraulic stem forms fixed connection structure through cross connecting piece and second spacing ring, the inside of second roller just is located one side fixed mounting of cross connecting piece and has a plurality of equidistance and be the lug that the circumference distributes, the recess with lug one-to-one and looks adaptation is seted up to the inside of first roller, so when using, through starting the hydraulic stem, can prolong and shorten the interval between first roller and the second roller, not only realized the whole width adjustment to the roll-up and roll-up, make it applicable multiple size's protection film, but also solved the problem of change roller and multifrequency transfer protection film many times, coating efficiency and use convenience have further been improved.
Drawings
FIG. 1 is a schematic view of a coating apparatus in a manufacturing method of the present invention;
FIG. 2 is a left side view showing the structure of a coating apparatus in the manufacturing method of the present invention;
FIG. 3 is a schematic structural view of a winding mechanism in the manufacturing method of the present invention;
FIG. 4 is a top view of the structure of the furling assembly in the method of making the present invention;
FIG. 5 is a cross-sectional view of A-A of FIG. 4;
FIG. 6 is a cross-sectional view of C-C of FIG. 4;
FIG. 7 is a top view of the structure of the upper coating assembly in the method of making the present invention;
FIG. 8 is a cross-sectional view of D-D of FIG. 7;
FIG. 9 is a schematic diagram of the structure of the upper coating assembly in the preparation method of the present invention.
In the figure: 1. a base; 2. a winding mechanism; 21. a winding assembly; 211. a first roll; 212. a second roll; 213. a first stop collar; 214. a second limiting ring; 215. a hydraulic rod; 216. a cross-shaped connecting piece; 217. a bump; 218. a groove; 22. a winding and unwinding assembly; 23. a motor; 24. a belt pulley set; 3. placing a plate; 4. a modifier storage box; 5. a lower coating roller; 6. an upper coating assembly; 61. a water pump; 62. a modifier storage tank; 63. a support base; 64. a liquid inlet plate; 65. a sponge head; 66. a cavity; 67. a liquid outlet hole; 68. a liquid outlet pipe; 69. a liquid inlet pipe; 7. and a collection box.
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.
Examples
The invention provides a technical scheme that: the self-repairing scratch-resistant paint surface protective film is prepared from the following components in parts by mass: 4.8 parts of polyamide resin, 3.3 parts of transparent soft rubber, 11.0 parts of TPU resin, 2.2 parts of ultraviolet shielding agent, 4.5 parts of curing agent, 1.1 parts of epoxy resin, 0.9 part of emulsifying agent, 2.3 parts of surface modifying agent and 5.1 parts of organic solvent.
The transparent soft rubber is PVC and polyamide elastomer.
The curing agent is dimethylbenzylamine, and the ultraviolet screening agent is nano titanium dioxide.
The surface modifier is a silane coupling agent, and the organic solvent is butanone and toluene.
The preparation method of the self-repairing scratch-resistant paint surface protective film comprises the following steps of:
s1, weighing: weighing the components for preparing the self-repairing scratch-resistant paint protective film according to the proportion by using weighing equipment, placing polyamide resin, transparent soft glue, ultraviolet screening agent, curing agent, emulsifying agent and organic solvent in a container A, placing TPU resin and epoxy resin in a container B, and finally placing a surface modifying agent in a container C;
s2, primary mixing: adding the components in the container A into a mixer, wherein the mixing time is 25min, and the rotating speed is 500r/min until the components are fully mixed for reaction;
s3, secondary mixing: adding the components in the container B into the mixture in the step S2, continuously stirring and mixing for 40min at the rotating speed of 500r/min to obtain TPU raw materials;
s4, stretch forming: the TPU mixture obtained in the step S3 is sent into film forming stretching equipment, and is stretched and molded, so that a primary paint protective film can be obtained;
s5, coating: coating a layer of surface modifier on the surface of the primary paint surface protective film in the step S4 by using coating equipment, wherein the dry coating amount is 10 mu m, and the self-repairing scratch-resistant paint surface protective film can be obtained;
s6, drying and forming: the product obtained in the step S5 is sent into a drying device, the drying temperature is 40 ℃, the drying time is 8min, and the product is peeled off by a film peeling machine;
s7, loading and warehousing: and (3) slitting and winding the steel wire by using a trimming machine and a winding machine according to requirements, and storing the steel wire in a warehouse.
Examples
The invention provides a technical scheme that: the self-repairing scratch-resistant paint surface protective film is prepared from the following components in parts by mass: 5.0 parts of polyamide resin, 4.5 parts of transparent soft rubber, 12.0 parts of TPU resin, 2.8 parts of ultraviolet shielding agent, 4.6 parts of curing agent, 1.6 parts of epoxy resin, 1.3 parts of emulsifier, 4.4 parts of surface modifier and 6.5 parts of organic solvent.
The transparent soft rubber is polyolefin elastomer.
The curing agent is aliphatic isocyanate, and the ultraviolet shielding agent is nano titanium dioxide.
The surface modifier is one or more of titanate coupling agent and aluminate coupling agent, and the organic solvent is one or more of methyl isobutyl ketone and ethyl acetate.
The preparation method of the self-repairing scratch-resistant paint surface protective film comprises the following steps of:
s1, weighing: weighing the components for preparing the self-repairing scratch-resistant paint protective film according to the proportion by using weighing equipment, placing polyamide resin, transparent soft glue, ultraviolet screening agent, curing agent, emulsifying agent and organic solvent in a container A, placing TPU resin and epoxy resin in a container B, and finally placing a surface modifying agent in a container C;
s2, primary mixing: adding the components in the container A into a mixer, wherein the mixing time is 28min, and the rotating speed is 550r/min until the components are fully mixed for reaction;
s3, secondary mixing: adding the components in the container B into the mixture in the step S2, continuously stirring and mixing for 45min at the rotating speed of 550r/min to obtain TPU raw materials;
s4, stretch forming: the TPU mixture obtained in the step S3 is sent into film forming stretching equipment, and is stretched and molded, so that a primary paint protective film can be obtained;
s5, coating: coating a layer of surface modifier on the surface of the primary paint surface protective film in the S4 by utilizing a micro-concave roller pair, wherein the dry coating amount is 15 mu m, and thus the self-repairing scratch-resistant paint surface protective film can be obtained;
s6, drying and forming: the product obtained in the step S5 is sent into a drying device, the drying temperature is 80 ℃, the drying time is 10min, and the product is peeled off by a film peeling machine;
s7, loading and warehousing: and (3) slitting and winding the steel wire by using a trimming machine and a winding machine according to requirements, and storing the steel wire in a warehouse.
Examples
The invention provides a technical scheme that: the self-repairing scratch-resistant paint surface protective film is prepared from the following components in parts by mass: 5.6 parts of polyamide resin, 5.0 parts of transparent soft rubber, 13.0 parts of TPU resin, 3.1 parts of ultraviolet shielding agent, 4.8 parts of curing agent, 2.0 parts of epoxy resin, 1.6 parts of emulsifier, 6.0 parts of surface modifier and 7.8 parts of organic solvent.
The transparent soft rubber is polyurethane elastomer.
The curing agent is alicyclic isocyanate, and the ultraviolet shielding agent is nano titanium dioxide.
The surface modifier is stearic acid, and the organic solvent is one or more of butyl acetate and propylene glycol methyl ether.
The preparation method of the self-repairing scratch-resistant paint surface protective film comprises the following steps of:
s1, weighing: weighing the components for preparing the self-repairing scratch-resistant paint protective film according to the proportion by using weighing equipment, placing polyamide resin, transparent soft glue, ultraviolet screening agent, curing agent, emulsifying agent and organic solvent in a container A, placing TPU resin and epoxy resin in a container B, and finally placing a surface modifying agent in a container C;
s2, primary mixing: adding the components in the container A into a mixer, wherein the mixing time is 30min, and the rotating speed is 600r/min until the components are fully mixed for reaction;
s3, secondary mixing: adding the components in the container B into the mixture in the step S2, continuously stirring and mixing for 50min at the rotating speed of 600r/min to obtain TPU raw materials;
s4, stretch forming: the TPU mixture obtained in the step S3 is sent into film forming stretching equipment, and is stretched and molded, so that a primary paint protective film can be obtained;
s5, coating: coating a layer of surface modifier on the surface of the primary paint surface protective film in the S4 by utilizing a micro-concave roller pair, wherein the dry coating amount is 20 mu m, and thus the self-repairing scratch-resistant paint surface protective film can be obtained;
s6, drying and forming: the product obtained in the step S5 is sent into a drying device, the drying temperature is 120 ℃, the drying time is 12min, and the product is peeled off by a film peeling machine;
s7, loading and warehousing: and (3) slitting and winding the steel wire by using a trimming machine and a winding machine according to requirements, and storing the steel wire in a warehouse.
Referring to fig. 1-2, the coating apparatus described in step S5 includes a base 1, a winding mechanism 2, a placement plate 3 and an upper coating assembly 6 fixedly installed at the top of the base 1, a modifier storage box 4 fixedly installed at the upper end of the placement plate 3, a lower coating roller 5 penetrating through the interior of the modifier storage box 4, and a collecting box 7 placed below the winding mechanism 2 at the upper end of the base 1, wherein the lower surface of the protective film can be coated by pouring the modifier into the interior of the modifier storage box 4, and the collecting box 7 can collect excessive extruded modifier liquid in time, so as to avoid scattering around, facilitate reuse, and reduce input cost.
Referring to fig. 3, the winding mechanism 2 includes a motor 23, and a winding assembly 21 and a winding assembly 22 with the same structure, wherein one ends of the winding assembly 21 and the winding assembly 22 are jointly sleeved with a belt pulley set 24, a power driving end of the motor 23 is connected with the belt pulley set 24, and the motor 23 drives the belt pulley set 24 to rotate so as to promote the winding and unwinding of the protective film.
Referring to fig. 4-6, the winding assembly 21 includes a first winding roller 211 and a second winding roller 212, opposite ends of the first winding roller 211 and the second winding roller 212 are respectively sleeved with a first limiting ring 213 and a second limiting ring 214, a hydraulic rod 215 is fixedly installed in the first winding roller 211, a telescopic end of the hydraulic rod 215 forms a fixed connection structure with the second limiting ring 214 through a cross connecting piece 216, a plurality of groups of equidistant and circumferentially distributed bumps 217 are fixedly installed in the second winding roller 212 and located on one side of the cross connecting piece 216, grooves 218 which are in one-to-one correspondence with the bumps 217 and are matched with each other are formed in the first winding roller 211, the distance between the first winding roller 211 and the second winding roller 212 can be prolonged or shortened under the action of the second limiting ring 214 through starting the hydraulic rod 215, the whole width adjustment of winding and unwinding is realized, the winding and unwinding can be applicable to protective films of various sizes, the problem of repeatedly replacing the winding rollers and the protective films is solved, and the coating efficiency and the convenience in use are further improved.
Referring to fig. 7-9, the upper coating assembly 6 includes a water pump 61, a modifier storage box 62 and a supporting seat 63, a liquid inlet plate 64 is fixedly installed on one side of the supporting seat 63, a sponge head 65 is fixedly installed at the bottom of the liquid inlet plate 64, a cavity 66 is provided in the liquid inlet plate 64, a plurality of groups of equidistant liquid outlet holes 67 are provided at one end of the bottom of the cavity 66, the liquid inlet plate 64 is inclined, a water inlet end of the water pump 61 forms a through fixed connection structure with the modifier storage box 62 through a liquid outlet pipe 68, a water outlet end forms a through fixed connection structure with the cavity 66 through the liquid inlet pipe 69, and the upper surface of the protective film can be coated under the action of the liquid outlet holes 67 and the sponge head 65 by starting the water pump 61.
The working principle of the coating equipment is as follows: when in use, according to the width of the protective film, the lengths of the winding assembly 21 and the winding and unwinding assembly 22 are correspondingly adjusted, the hydraulic rod 215 is only required to be started, the telescopic end of the hydraulic rod can apply a thrust to the cross connecting piece 216, and the second winding roller 212 can be driven to move along the direction of the groove 218 under the action of the second limiting ring 214 until the distance between the first limiting ring 213 and the second limiting ring 214 is the same as the width of the protective film.
At this time, the protective film can be wound on the winding assembly 21 and the winding and unwinding assembly 22, then the modifier liquid is poured into the interior of the modifier storage box 4, the motor 23 and the water pump 61 are started, when the motor 23 is started, the protective film can be pulled to be wound, in the winding process, the lower coating roller 5 can be driven to roll in the interior of the modifier storage box 4, thereby realizing the effect of coating the lower surface of the protective film, the water pump 61 is started, under the action of the liquid outlet pipe 68, the modifier liquid in the modifier storage box 62 can be sucked out, and enters the interior of the cavity 66 through the liquid inlet pipe 69, finally, the modifier liquid is immersed into the sponge head 65 under the action of the liquid outlet hole 67, and the effect of coating the upper surface can be realized along with the continuous winding of the protective film.
PVC can be divided into: the PVC resin comprises a general PVC resin, a high-polymerization-degree PVC resin and a cross-linked PVC resin, wherein the general PVC resin is formed by polymerizing a vinyl chloride monomer under the action of an initiator; the PVC resin with high polymerization degree is a resin polymerized by adding a chain extender into a vinyl chloride monomer polymerization system; the crosslinked PVC resin is prepared by adding a crosslinking agent containing diene and polyene into a vinyl chloride monomer polymerization system for polymerization.
Polyamide elastomers consist of high-melting crystalline hard segments (polyamides) and amorphous soft segments (polyesters or polyethers), the properties of which depend on the type of hard segments and on the length of the two blocks. The polyamide thermoplastic elastomer has excellent toughness, chemical resistance, wear resistance and noise reduction due to the existence of the hard segment polyamide. By selecting and controlling the block types, the mechanical, thermal and chemical properties can be varied over a wide range.
The polyolefin thermoplastic elastomer is a high-performance polyolefin product, and has the characteristics of rubber elasticity at normal temperature, small density, large bending, high low-temperature impact resistance, easy processing, repeated use and the like.
The self-repairing scratch-resistant, ultraviolet-resistant, insulating and impact-resistant paint protective films according to the above-mentioned preparation components of examples 1, 2 and 3 were tested, and the test results are shown in the following table:
| self-repairing scratch resistance | Ultraviolet resistance | Insulation rate | Impact resistance | |
| Example 1 | 98.6% | Qualified product | 99.1% | Qualified product |
| Example 2 | 99.5% | Qualified product | 99.6% | Qualified product |
| Example 3 | 97.9% | Qualified product | 99.4% | Qualified product |
The test method for each performance in the table is as follows:
1. determination of self-repairing scratch resistance: and wiping the surface of the protective film with a special scratching tool to obtain a plurality of scratches, placing the test sample in a 70-DEG environment, observing for 10min, and taking out to check the recovery condition of the scratches.
2. Judgment of ultraviolet resistance: the paint protective film was attached to an automobile, and then left at a high temperature of 40 ℃ outdoors for 30 minutes, and detected with an ultraviolet detector.
3. Determination of insulation ratio: the paint protective film was stuck to the surface of the support to see whether or not bubbles were generated.
4. Determination of impact resistance: and hammering the surface of the paint protective film back and forth for a plurality of times by using a special impact tool, and then checking whether the appearance is marked.
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 (8)
1. The self-repairing scratch-resistant paint surface protective film is characterized by comprising the following components: polyamide resin, transparent soft gel, TPU resin, ultraviolet screening agent, curing agent, epoxy resin, emulsifying agent, surface modifying agent and organic solvent;
the self-repairing scratch-resistant paint surface protective film is prepared from the following components in parts by mass: 4.8-5.6 parts of polyamide resin, 3.3-5.0 parts of transparent soft rubber, 11.0-13.0 parts of TPU resin, 2.2-3.1 parts of ultraviolet shielding agent, 4.5-4.8 parts of curing agent, 1.1-2.0 parts of epoxy resin, 0.9-1.6 parts of emulsifying agent, 2.3-6.0 parts of surface modifying agent and 5.1-7.8 parts of organic solvent;
the preparation method of the self-repairing scratch-resistant paint surface protective film comprises the following steps:
s1, weighing: weighing the components for preparing the self-repairing scratch-resistant paint protective film according to the proportion by using a weighing device, placing polyamide resin, transparent soft gum, an ultraviolet screening agent, a curing agent, an emulsifying agent and an organic solvent in a container A, placing TPU resin and epoxy resin in a container B, and finally placing a surface modifying agent in a container C;
s2, primary mixing: adding the components in the container A into a mixer, wherein the mixing time is 25-30min, and the rotating speed is 500-600r/min until the components are fully mixed for reaction;
s3, secondary mixing: adding the components in the container B into the mixture in the step S2, continuously stirring and mixing for 40-50min at 500-600r/min to obtain TPU raw materials;
s4, stretch forming: the TPU mixture obtained in the step S3 is sent into film forming stretching equipment, and is stretched and molded, so that a primary paint protective film can be obtained;
s5, coating: coating a layer of surface modifier on the surface of the primary paint surface protective film in the step S4 by using coating equipment, wherein the dry coating amount is 10-20 mu m, and the self-repairing scratch-resistant paint surface protective film can be obtained;
s6, drying and forming: the product obtained in the step S5 is sent into a drying device, the drying temperature is 40-120 ℃, the drying time is 8-12 min, and the product is peeled by a film peeling machine;
s7, loading and warehousing: cutting and winding the materials according to the requirements by using an edge cutter and a winding machine, and storing the materials in a warehouse;
the coating equipment in the step S5 comprises a base (1), wherein a winding mechanism (2), a placing plate (3) and an upper coating component (6) are fixedly arranged at the top of the base (1), a modifier storage box (4) is fixedly arranged at the upper end of the placing plate (3), a lower coating roller (5) penetrates through the inside of the modifier storage box (4), and a collecting box (7) is arranged at the upper end of the base (1) and below the winding mechanism (2);
the transparent soft rubber is one or more of PVC, a polyamide elastomer, a polyolefin elastomer and a polyurethane elastomer, the curing agent is one or more of dimethylbenzylamine, aliphatic isocyanate and alicyclic isocyanate, the ultraviolet shielding agent is nano titanium dioxide, the surface modifying agent is one or more of a silane coupling agent, a titanate coupling agent, an aluminate coupling agent and stearic acid, and the organic solvent is one or more of butanone, toluene, methyl isobutyl ketone, ethyl acetate, butyl acetate and propylene glycol methyl ether.
2. The self-repairing scratch-resistant paint protective film according to claim 1, which is prepared from the following components in parts by mass: 4.8 parts of polyamide resin, 3.3 parts of transparent soft rubber, 11.0 parts of TPU resin, 2.2 parts of ultraviolet shielding agent, 4.5 parts of curing agent, 1.1 parts of epoxy resin, 0.9 part of emulsifying agent, 2.3 parts of surface modifying agent and 5.1 parts of organic solvent.
3. The self-repairing scratch-resistant paint protective film according to claim 1, which is prepared from the following components in parts by mass: 5.0 parts of polyamide resin, 4.5 parts of transparent soft rubber, 12.0 parts of TPU resin, 2.8 parts of ultraviolet shielding agent, 4.6 parts of curing agent, 1.6 parts of epoxy resin, 1.3 parts of emulsifier, 4.4 parts of surface modifier and 6.5 parts of organic solvent.
4. The self-repairing scratch-resistant paint protective film according to claim 1, which is prepared from the following components in parts by mass: 5.6 parts of polyamide resin, 5.0 parts of transparent soft rubber, 13.0 parts of TPU resin, 3.1 parts of ultraviolet shielding agent, 4.8 parts of curing agent, 2.0 parts of epoxy resin, 1.6 parts of emulsifier, 6.0 parts of surface modifier and 7.8 parts of organic solvent.
5. The self-repairing scratch-resistant paint protective film according to claim 1, wherein the winding mechanism (2) comprises a motor (23), a winding assembly (21) and a winding and unwinding assembly (22) which are identical in structure, one ends of the winding assembly (21) and the winding and unwinding assembly (22) are jointly sleeved with a belt pulley set (24), and a power driving end of the motor (23) is connected with the belt pulley set (24).
6. The self-repairing scratch-resistant paint protective film according to claim 5, wherein the rolling assembly (21) comprises a first rolling roller (211) and a second rolling roller (212), opposite ends of the first rolling roller (211) and the second rolling roller (212) are respectively sleeved with a first limiting ring (213) and a second limiting ring (214), a hydraulic rod (215) is fixedly installed in the first rolling roller (211), a fixed connection structure is formed by a telescopic end of the hydraulic rod (215) and the second limiting ring (214) through a cross connecting piece (216), a plurality of groups of equidistant and circumferentially distributed bumps (217) are fixedly installed in the second rolling roller (212) and located on one side of the cross connecting piece (216), and grooves (218) which are in one-to-one correspondence with the bumps (217) and are matched with the first rolling roller (211) are formed in the first rolling roller.
7. The self-repairing scratch-resistant paint protective film according to claim 1, wherein the upper coating component (6) comprises a water pump (61), a modifier storage box (62) and a supporting seat (63), a liquid inlet plate (64) is fixedly arranged on one side of the supporting seat (63), a sponge head (65) is fixedly arranged at the bottom of the liquid inlet plate (64), a cavity (66) is formed in the liquid inlet plate (64), and a plurality of groups of equidistant liquid outlet holes (67) are formed in one end of the bottom of the cavity (66).
8. The self-repairing scratch-resistant paint protective film according to claim 7, wherein the liquid inlet plate (64) is inclined, the water inlet end of the water pump (61) forms a through fixed connection structure with the modifier storage box (62) through the liquid outlet pipe (68), and the water outlet end forms a through fixed connection structure with the cavity (66) through the liquid inlet pipe (69).
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| CN202110845648.9A CN113501987A (en) | 2021-07-26 | 2021-07-26 | Anti-scratch paint surface protective film with repairing function and preparation method thereof |
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| CN114015146A (en) * | 2021-12-23 | 2022-02-08 | 无锡胶大电子材料有限公司 | PE (polyethylene) protective film material for automobiles and preparation method thereof |
| CN115572570B (en) * | 2021-12-23 | 2024-02-20 | 山西天启通液压有限公司 | Rubber protection coating film and preparation method thereof |
| KR20230167944A (en) * | 2022-06-03 | 2023-12-12 | 에스케이마이크로웍스 주식회사 | Film for paint protection and manufacturing method of the same |
| CN115477841A (en) * | 2022-10-14 | 2022-12-16 | 欣润新材料科技(江苏)有限公司 | Preparation method of automobile paint protective film |
| CN115651247A (en) * | 2022-11-09 | 2023-01-31 | 欣润新材料科技(江苏)有限公司 | Anti-aging invisible car cover film with self-repairing function and manufacturing process thereof |
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| CN103073879A (en) * | 2012-09-26 | 2013-05-01 | 天津金发新材料有限公司 | Polyamide composition, and preparation method and application thereof |
| CN105623341A (en) * | 2016-01-07 | 2016-06-01 | 长春安旨科技有限公司 | Functional composite coating and preparing method thereof |
| CN109385223A (en) * | 2018-08-10 | 2019-02-26 | 中国科学院化学研究所 | A kind of protective film |
| JP2019181826A (en) * | 2018-04-11 | 2019-10-24 | Jnc株式会社 | Protective film and method for producing the same |
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| CN103073879A (en) * | 2012-09-26 | 2013-05-01 | 天津金发新材料有限公司 | Polyamide composition, and preparation method and application thereof |
| CN105623341A (en) * | 2016-01-07 | 2016-06-01 | 长春安旨科技有限公司 | Functional composite coating and preparing method thereof |
| JP2019181826A (en) * | 2018-04-11 | 2019-10-24 | Jnc株式会社 | Protective film and method for producing the same |
| CN109385223A (en) * | 2018-08-10 | 2019-02-26 | 中国科学院化学研究所 | A kind of protective film |
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