CN104070749B - A kind of rust-preventing film for door and preparation method thereof - Google Patents
A kind of rust-preventing film for door and preparation method thereof Download PDFInfo
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- CN104070749B CN104070749B CN201410276011.2A CN201410276011A CN104070749B CN 104070749 B CN104070749 B CN 104070749B CN 201410276011 A CN201410276011 A CN 201410276011A CN 104070749 B CN104070749 B CN 104070749B
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Abstract
The present invention relates to a kind of rust-preventing film being applicable to door, this rust-preventing film is by high permeability zone, high-obstruction and the adhesive-layer between high permeability zone and high-obstruction, it is characterized in that, described high permeability zone is PVC film containing vapor phase inhibitor, high-obstruction is nylon, adhesive-layer is Polyurethane foamed glue and acrylic resins pressure sensitive adhesive, effective diffusion of high permeability zone and volatilization, thus keep good rustless property, high-obstruction has high-barrier effect to water vapour and oxygen, effectively can prevent the volatilization loss of vapour phase inhibitor composition simultaneously.
Description
Technical field
The invention belongs to packaging material field, be specifically related to a kind of rust-preventing film for door and preparation method thereof.
Background technology
Metallic article is all faced with antirust problem, and rust-proofing method, from the most simply plating, dip-coating, vacuum packaging, paint, painting antirust oil, develops into by VCI volatile rust prevention method, applies to the antirust of ferrous metal and goods thereof in a large number.
Current gas phase anti-tarnishing film uses extensively in Steel material equipment is antirust.Be mainly used in the packaging of Steel material equipment and equipment, prevent long-term storage from getting rusty.
CN101879802 discloses a kind of multifunctional long-acting antirust film, comprises nylon, cementing layer, antiseptic and antirust agent.Antirust time is long, is applicable to main equipment occasion.
CN102501510 discloses a kind of composite gas phase anti-rust film, comprise the gas-phase antirusting plastic film containing VCI, and by gas-phase slow-release agent that adhesive bonds successively, thermal synthesis layer, high barrier material layer and watertight insulation, described watertight insulation and gas-phase antirusting plastic film bond, and described vapour phase inhibitor is made up of resin, ultra-fine carbon, corrosion inhibiter, aluminate coupling agent and antioxidant.Although this rust-preventing film waterproof favorable rust preventing effect, cost is high, complicated process of preparation.
CN2587633 discloses a kind of composite high-barrier air-phase antirust film, comprises the gas-phase antirusting plastic film containing VCI, and gas-phase antirusting plastic film is bonding with high barrier material layer by adhesive layer, and high-obstruction is nylon.This rust-preventing film is used for the storage of the products such as metal material, precision instrument, electronic component, sea-freight and long-distance transport packaging.
CN2441641 discloses a kind of fabric reinforced gas phase anti-corrosion film, and be the plastic foil containing vapour phase inhibitor at one side compound one deck of woven fabric, net, another side is also compounded with one deck plastic foil.Woven fabric, net are polyethylene, polypropylene and nylon.This film is mainly used in the manufacture, transport, sea-freight, storage etc. of metal material.
CN201889934 discloses a kind of Novel volatile corrosion inhibition plastic, comprises high permeability zone and high-obstruction, bonding with the adhesive containing vapour phase inhibitor between the two.High permeability formation is PE polyethylene film or polypropylene screen, and high-obstruction is nylon.This rust-preventing film is applicable to the fields such as metallurgy, machinery, electrical equipment, automobile.Technique is simple, and rust-proof effect is not bad.
Study discovery through the present inventor, though above-mentioned rust-preventing film rust-proof effect is good, be mainly used in the packaging of hardware or equipment, electronic component, prevent from getting rusty in transport and storage process, service time is relatively short, usually can only reach 2-3, meets the requirement that short-term is transported and storage package is antirust.But be not suitable for as antitheft door or fire resistant doorsets etc. use reach the antirust of the metal product of 20-30, these rust-preventing film flexibilities are bad, for door antirust, easy to foaming, easily come off, long-term rust prevention poor effect.For this reason, in order to study the steel of life cycle length such as a applicable antitheft door or fire resistant doorsets or the antirust of metal product, the present inventor completes rust-preventing film of the present invention, is specially adapted to antitheft door or fire resistant doorsets, solves the antirust problem that existing rust-preventing film can not meet door.
Summary of the invention
The object of the present invention is to provide a kind of rust-preventing film being applicable to door, this rust-preventing film can effectively stop the active ingredient of vapor phase inhibitor outwardly to be volatilized.This rust-preventing film can suppress corrosion of metal for a long time, effectively, and significantly improve the long-term rust prevention performance of rust-preventing film, the service times such as particularly suitable antitheft door or fire resistant doorsets reach the antirust of the metal product of decades.
Of the present invention for realizing, provide following embodiment.
In one embodiment, a kind of rust-preventing film being applicable to door of the present invention, comprise high permeability zone, high-obstruction and the adhesive-layer between high permeability zone and high-obstruction, described high permeability zone is PVC film containing vapor phase inhibitor, high-obstruction is nylon, adhesive-layer is polyurethane foam glue-line and acrylic resins pressure-sensitive adhesive layer, wherein, polyurethane foam glue is coated on the one side of nylon, acrylic resins pressure-sensitive adhesives is in foamed glue surface, PVC film is affixed on pressure sensitive adhesive surface, containing vapor phase inhibitor in pressure sensitive adhesive.
In the above-described embodiment, rust-preventing film of the present invention, high-obstruction nylon thickness is 10-30 μm, and high permeability zone PVC film layer thickness is 40-60 μm, and polyurethane foam bondline thickness is 20-40 μm, and acrylic resins pressure-sensitive adhesive layer thickness is 10-30 μm.
Preferably, rust-preventing film of the present invention, high-obstruction nylon layer thickness is 20 μm, and high permeability zone PVC film layer thickness is 50 μm, and polyurethane foam bondline thickness is 30 μm, and acrylic resins pressure-sensitive adhesive layer thickness is 20 μm.
In the above-described embodiment, rust-preventing film of the present invention, the content of the vapor phase inhibitor gas in pressure sensitive adhesive is the 10-30% of pressure sensitive adhesive weight, preferably 20%.Polyurethane foam glue is preferably aqueous foaming glue.
In one embodiment, a kind of rust-preventing film being applicable to door of the present invention, comprise high permeability zone, high-obstruction and be positioned at high permeability zone, adhesive-layer between high-obstruction, it is characterized in that, described high permeability zone is the PVC film containing vapor phase inhibitor, its thickness is 40-60 μm, preferably 50 μm, high-obstruction is nylon, its thickness is 10-30 μm, preferably 20 μm, adhesive-layer is polyurethane foam glue-line and acrylic resins pressure-sensitive adhesive layer, wherein, polyurethane foam bondline thickness 20-40 μm, preferably 30 μm of acrylic resins pressure-sensitive adhesive layer thickness are 10-30 μm, preferably 20 μm, polyurethane foam glue is applied to the one side of nylon, acrylic resins pressure sensitive adhesive is applied to foaming surface, PVC film is affixed on pressure sensitive adhesive surface, containing vapor phase inhibitor in pressure sensitive adhesive.
In above-mentioned specific embodiments, preferably, rust-preventing film of the present invention, high-obstruction nylon thickness is 20 μm, and high permeability zone PVC film layer thickness is 50 μm, and polyurethane foam bondline thickness is 30 μm, and acrylic resins pressure sensitive adhesive thickness is 20 μm.
In above-mentioned specific embodiments, rust-preventing film of the present invention, the content of the vapor phase inhibitor gas in pressure sensitive adhesive is the 10-30% of pressure sensitive adhesive weight, preferably 20%.Polyurethane foam glue is preferably aqueous foaming glue.
Another object of the present invention provides a kind of method preparing rust-preventing film of the present invention, and the method comprises the following steps:
1) gas phase anti-tarnishing film is mixed with pressure sensitive adhesive, for subsequent use;
2) polyurethane foam glue is evenly coated in the one side of nylon, after slightly dry, by step 1) pressure sensitive adhesive be coated in equably polyurethane foam glue surface;
3) PVC film containing vapor phase inhibitor is covered pressure sensitive adhesive surface, be drying to obtain at 50-60 DEG C.
Rust-preventing film of the present invention, owing to being coated with one deck polyurethane foam glue on nylon surface, enhance nylon and intercept the impermeable effect of vapor phase inhibitor to exosmosis, vapor phase inhibitor is added in pressure sensitive adhesive, after the vapor phase inhibitor in PVC film is evaporated completely, sustainable infiltrating from PVC film hole continues to play rust inhibition, to extend the antirust cycle of rust-preventing film.Meanwhile, owing to adopting pressure sensitive adhesive to make rust-preventing film of the present invention flexible, join with the steel plate of door and be adjacent to close, also can prevent the outside volatilization loss of antirust agent.High-obstruction adds that foamed glue can be strengthened and has high-barrier effect to water vapour and oxygen, strengthens the volatilization loss preventing vapor phase inhibitor composition simultaneously.
In a word, rust-preventing film of the present invention enhances high-barrier effect, permanently effectively can prevent the outside volatilization loss of antirust agent, effective enhancing and extend rust-preventing film to the antirust ability of the metallic articles such as steel and time, bond closely with steel plate simultaneously, do not come off, non-foaming, particularly can strengthen and extend rust inhibition and the antirust time of antitheft door or fire resistant doorsets, achieve real long-acting antirust effect.
Accompanying drawing explanation
Fig. 1 is rust-preventing film structural representation, 1 high permeability zone (PVC), 2 pressure-sensitive adhesive layers, 3 foaming glue-line, 4 high-obstructions (nylon).
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described further, but protection scope of the present invention is not limited in this.
Embodiment 1
With reference to Fig. 1, a kind of rust-preventing film being suitable for door, get acrylic resins pressure sensitive adhesive, by pressure sensitive adhesive weight 20% amount add vapor phase inhibitor, mix, for subsequent use, get the nylon membrane that thickness is 20 μm, polyurethane foaming glue is coated in uniformly a surface, thickness about 30 μm, after slightly dry, to be mixed with the pressure-sensitive adhesives of vapor phase inhibitor at foaming film surface, thickness is about 20 μm, then the PVC film containing described antirust agent thickness being about 50 μm is affixed on pressure-sensitive adhesive layer surface, dry at 50-60 DEG C, namely obtain rust-preventing film of the present invention.
Embodiment 2-5
The rust-preventing film of embodiment 2-5 has identical structure with embodiment 1, and material and formula see the following form 1
The material of the rust-preventing film of table 1 embodiment 2-5 and formula
In table, # contains the PVC film of vapor phase inhibitor, is buied by commercial sources, and * is acrylic resins pressure sensitive adhesive, and * * consumption is the percentage of pressure sensitive adhesive weight.
Preparation technology: prepare by the method for embodiment 1.
Comparative example 1-4
The rust-preventing film of comparative example 1-4 and the rust-preventing film of embodiment 1 have same or similar structure, and formula and material see the following form 2.
The material of table 2 comparative example and formula
In table, # contains the PVC film of vapor phase inhibitor, is buied by commercial sources, and * is acrylic resins pressure sensitive adhesive, and * * consumption is the percentage of pressure sensitive adhesive weight.
Preparation technology: prepared by the method with reference to embodiment 1.
Embodiment 6 measure of merit
By the antirust surface of steel plate being attached to fire resistant doorsets of embodiment 1-5 and comparative example 1-4, carry out salt spray test by GB/T10125-1997 standard.
Test condition:
Sedimentation saline solution concentration: 50 ± 5g/LNaCl
Chamber temperature: 35 ± 2 DEG C
Rate of salt spray precipitation: (1.0-2.0) ml/80cm
2.h
Sedimentation saline solution pH:(35 ± 2 DEG C) 6.5-7.2
Open-assembly time: 500 hours
Test result is in table 3
Table 3 embodiment 1-5 and comparative example 1-4 the performance test results
Show from the result of table, the rust-preventing film being added with pressure-sensitive adhesive layer contacts with steel plate closely, without coming off and bubbling, the rust-preventing film of pressure-sensitive adhesive layer is not had easily to come off with easy to foaming, the rust-preventing film not using polyurethane foam glue and pressure-sensitive adhesive layer not to add antirust agent has corrosion phenomena, and particularly the steel plate corrosion of the fire resistant doorsets of comparative example 3 and 4 is serious.Visible, the rust inhibition that rust-preventing film of the present invention is used for the steel plate of fire resistant doorsets or antitheft door is obvious, high, non-foaming with the adhesive strength of steel plate, do not come off, and has long-acting antirust effect, is particularly suitable for the antirust of anti-theft and fireproof door.
Any simple change of making under the condition of connotation of the present invention or revise all property and belong to scope of the present invention.
Claims (7)
1. one kind is applicable to the rust-preventing film of door, comprise high permeability zone, high-obstruction and the adhesive-layer between high permeability zone and high-obstruction, it is characterized in that, described high permeability zone is PVC film containing vapor phase inhibitor, high-obstruction is nylon, adhesive-layer is Polyurethane foaming glue-line and acrylic resins pressure-sensitive adhesive layer, and wherein, polyurethane foam glue is coated on nylon one side, acrylic resins pressure-sensitive adhesives is in foamed glue surface, and PVC film is affixed on pressure sensitive adhesive surface.
2. rust-preventing film as claimed in claim 1, the thick 10-30 μm of high-obstruction nylon, the thick 40-60 μm of high permeability zone PVC film, the thick 20-40 μm of polyurethane foam glue-line, acrylic resins pressure sensitive adhesive thickness 10-30 μm.
3. rust-preventing film as claimed in claim 2, thick 20 μm of high-obstruction nylon, thick 50 μm of high permeability zone PVC film, thick 30 μm of polyurethane foam glue-line, acrylic resins pressure sensitive adhesive thickness 20 μm.
4. rust-preventing film as claimed in claim 1 or 2, is included in pressure sensitive adhesive further and is mixed into vapor phase inhibitor.
5. rust-preventing film as claimed in claim 4, vapor phase inhibitor consumption accounts for the 10-30% of pressure sensitive adhesive weight.
6. the rust-preventing film as described in as arbitrary in claim 1-3, polyurethane foam glue is aqueous foaming glue.
7. prepare a method for the rust-preventing film of claim 1, comprise the following steps:
1) vapor phase inhibitor is mixed with pressure sensitive adhesive, for subsequent use;
2) polyurethane foam glue is evenly coated in the one side of nylon, after slightly dry, by step 1) pressure sensitive adhesive be coated in equably polyurethane foam glue surface;
3) PVC film containing vapor phase inhibitor is covered pressure sensitive adhesive surface, be drying to obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410276011.2A CN104070749B (en) | 2014-06-19 | 2014-06-19 | A kind of rust-preventing film for door and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410276011.2A CN104070749B (en) | 2014-06-19 | 2014-06-19 | A kind of rust-preventing film for door and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104070749A CN104070749A (en) | 2014-10-01 |
| CN104070749B true CN104070749B (en) | 2015-11-11 |
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| CN201410276011.2A Expired - Fee Related CN104070749B (en) | 2014-06-19 | 2014-06-19 | A kind of rust-preventing film for door and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107128029B (en) * | 2017-05-26 | 2018-11-30 | 山东大业股份有限公司 | A kind of volatile rust preventive material and preparation method thereof being exclusively used in steel bead wire |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215017A (en) * | 1997-10-16 | 1999-04-28 | 四维企业股份有限公司 | Composite film for package |
| EP0924060B1 (en) * | 1997-12-16 | 2003-06-04 | Nitto Denko Corporation | Pressure-sensitive adhesion sheets |
| CN203026043U (en) * | 2012-11-01 | 2013-06-26 | 广州市金万正印刷材料有限公司 | Soft laser self-adhesive label |
-
2014
- 2014-06-19 CN CN201410276011.2A patent/CN104070749B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215017A (en) * | 1997-10-16 | 1999-04-28 | 四维企业股份有限公司 | Composite film for package |
| EP0924060B1 (en) * | 1997-12-16 | 2003-06-04 | Nitto Denko Corporation | Pressure-sensitive adhesion sheets |
| CN203026043U (en) * | 2012-11-01 | 2013-06-26 | 广州市金万正印刷材料有限公司 | Soft laser self-adhesive label |
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| CN104070749A (en) | 2014-10-01 |
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