CN101643128A - Environment friendly gasified rust-proof weaved film and manufacturing method thereof - Google Patents
Environment friendly gasified rust-proof weaved film and manufacturing method thereof Download PDFInfo
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- CN101643128A CN101643128A CN200910151216A CN200910151216A CN101643128A CN 101643128 A CN101643128 A CN 101643128A CN 200910151216 A CN200910151216 A CN 200910151216A CN 200910151216 A CN200910151216 A CN 200910151216A CN 101643128 A CN101643128 A CN 101643128A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention discloses an environment friendly gasified rust-proof weaved film and a manufacturing method thereof, wherein the manufacturing method comprises the following steps: preparing raw materials according to proportion of parts by weight, mixing material, mixing material for the second time, manufacturing high enriched rust-proof master batch, unfolding plastic woven cloth, and melting down the high enriched rust-proof master batch and spraying on the plastic woven cloth. The rust-proof weaved film is obtained according to the method; and the proportion of parts by weight of each component is as follows: 3-9 parts of sodium benzoate, 0.1-0.3 parts of sodium metasilicate, 4-13 parts of sodium molybdate, 3-9 parts of benzotriazole, 1-5 parts of hydroxyethyl cellulose, 2500-7500 parts of low density polyethylene, 1500-4500 parts of polyethylene, and 500-1500 parts of oxygen-contained biodegradation additive. The invention has advanced technology, and can be applied to the fieldsof transportation, storing and packaging of ferrous and nonferrous metal products. The invention has very outstanding degradation effect and rust-proof effect, and is environment friendly.
Description
Technical field
The present invention relates to a kind of packing that prevent metal corrosion, particularly a kind of environment friendly gasified rust-proof weaved film and manufacture method thereof.
Background technology
Iron and other non-metals products usually need the metal outside is coated with packing in transportation.Continuous development along with new products such as the various mechanical industrys that utilize the metal material, automobile, boats and ships, military supplies, the demand of various packaging products has correspondingly also increased, but the packing effect is being produced, is transporting, only played when storing to this series products, can not prevent that metalwork from various corrosion phenomenons taking place, therefore, cause industrial loss also to increase widely.In view of this needs, various anti-corrosion products have appearred on the market thereupon, and the rust prevention packaging product that meets rust-preventing characteristic has also had very big development.
Rust-proof weaved cloth is a kind of in the packaging product, be mainly used in the heavy equipment packing or remedy the weakness that has now on the existing physical property of gasified antirust film and the shortcoming that needs to attach weave paper, but limitation because of existing manufacturing technology, the feature of environmental protection of rust-proof weaved cloth product and strengthening physical aspect of performance can not reach ideal effect
In addition, common rust-proof weaved cloth product does not have antirust function not strong, so in transporting the metallo-logistics progress, need to use anti-tarnish paper or rustproof packaging materials such as anti-corrosion oil, rust-preventing film just can keep its antirust function in addition, this has just increased the operation in the item circulation process, cause the article weightening finish, packing is complicated, is unfavorable for the transportation of metal product.
The existence of above-mentioned variety of problems, a kind of new material of most advanced and sophisticated environmental protection appears in eager needs, produces environmental protection, degradable gasified rust-proof weaved film, to substitute present stage rust-proof weaved cloth on the market.。
Summary of the invention
Technical matters to be solved by this invention is, a kind of environment friendly gasified rust-proof weaved film is provided, and has solved present packing metallic material and has mainly used woven cloth, but can't play the problem of good rust-proof effect.Simultaneously, added and contained oxygen biodegradation additive, helped environmental protection.
For solving the problems of the technologies described above, the present invention has used in raw material and has contained oxygen biodegradation additive, increasing the biodegradability of polyethylene product, and uniform rustless property be can keep again the strengthening physical performance time, environmental protection, degradable gasified rust-proof weaved film produced.For this reason, the invention provides a kind of manufacture method of environment friendly gasified rust-proof weaved film, wherein, described manufacture method may further comprise the steps:
A, according to the step of ratio of weight and number configuration raw material:
3～9 parts of Sodium Benzoates,
0.1～0.3 part of sodium metasilicate,
4～13 parts of sodium molybdates,
3～9 parts of phenylpropyl alcohol triazoles,
1～5 part of hydroxyethylcellulose,
The step of b, batch mixing: with Sodium Benzoate, sodium metasilicate, sodium molybdate, phenylpropyl alcohol triazole part, hydroxyethylcellulose drops into respectively and carries out batch mixing in the puddle mixer; Then mixture is put into and be crushed into 350～～500 order sizes in the comminutor;
The step of c, rerolling: with 2500～7500 parts of the low density polyethylene (LDPE)s of ratio of weight and number, 1500～4500 parts of polyethylenes, contain 500 parts～1500 parts of oxygen biodegradation additives and put in the mixture of step b acquisition, use homogenizer to carry out rerolling;
The step of d, the highly enriched anti-rust master batch of manufacturing: use granulating machine that the mixture granulation that step c obtains is become highly enriched anti-rust master batch;
E. launch the step of woven cloth:
F, use film layer are sprayed at the highly enriched anti-rust master batch dissolving that steps d obtains on the establishment cloth uniformly.
Described step b batch mixing process is batch mixing at the uniform velocity, and mixing time is 35～45 minutes, and the puddle mixer rotating speed is 20～30 rev/mins during batch mixing.
Described step c rerolling process is the high speed batch mixing, and mixing time is 30～50 minutes, and mixture temperature is 60～90 ℃, and the oxygen biodegradation additive that contains that adopts among the described step c is Britain wellsplastic co., and ltd company produces.
Described steps d granulating machine prilling temperature is 140～160 ℃
The woven cloth plastic woven cloth that described step e adopts has 8 of warp-wise plastic strips, 8 of broadwise plastic strips in the every sq cm of described plastic woven cloth; The thickness of described plastic woven cloth is 0.02～0.03mm.
Described step f film layer overlay film temperature is 185～200 ℃.
For solving the problems of the technologies described above, the present invention also provides a kind of manufacture method according to environment friendly gasified rust-proof weaved film produced rust-proof weaved film, and wherein, each composition weight umber proportioning of described rust-proof weaved film is:
6～9 parts of Sodium Benzoates,
0.2～0.3 part of sodium metasilicate,
9～13 parts of sodium molybdates,
6～9 parts of phenylpropyl alcohol triazoles,
3～5 parts of hydroxyethylcelluloses,
5000～7500 parts of low density polyethylene (LDPE)s,
3000～4500 parts of polyethylenes,
Contain 1000 parts～1500 parts of oxygen biodegradation additives.
Each composition weight umber proportioning of described rust-proof weaved film can for:
3～6 parts of Sodium Benzoates,
0.1～0.2 part of sodium metasilicate,
4～9 parts of sodium molybdates,
3～6 parts of phenylpropyl alcohol triazoles,
1～3 part of hydroxyethylcellulose,
2500～5000 parts of low density polyethylene (LDPE)s,
1500～3000 parts of polyethylenes,
Contain 500 parts～1000 parts of oxygen biodegradation additives.
Each composition weight umber proportioning of described rust-proof weaved film can also for:
2～8 parts of Sodium Benzoates,
0.1～0.3 part of sodium metasilicate,
5～12 parts of sodium molybdates,
2～4 parts of phenylpropyl alcohol triazoles,
2～4 parts of hydroxyethylcelluloses,
3500～6500 parts of low density polyethylene (LDPE)s,
2000～4000 parts of polyethylenes,
Contain 700 parts～1200 parts of oxygen biodegradation additives.
Each composition weight umber proportioning of described rust-proof weaved film again can for:
3～7 parts of Sodium Benzoates,
0.1～0.3 part of sodium metasilicate,
6～11 parts of sodium molybdates,
3～5 parts of phenylpropyl alcohol triazoles,
3～5 parts of hydroxyethylcelluloses,
4000～6000 parts of low density polyethylene (LDPE)s,
2500～3500 parts of polyethylenes,
Contain 800 parts～1100 parts of oxygen biodegradation additives.
The present invention has following advantage:
1, improves the proportioning of conventional formulation, used in the raw material and contained oxygen biodegradation additive, increasing the biodegradability of polyethylene product, and uniform rustless property be can keep again the strengthening physical performance time, environmental protection, degradable gasified rust-proof weaved film produced.
2, technology advanced person, the method for making simple and fast is efficient, has saved unnecessary materials handling and storage when reducing flow chart,
3, solve the problem of the antirust performance deficiency of present rust-proof weaved cloth, sprayed the antirust masterbatch that has melted on the PE woven cloth, increased the tension force and the tensile property of PE woven cloth.
Description of drawings
Fig. 1 is the present invention's experimental set-up scheme drawing of degrading
Fig. 2 is the inorganic disintegration rate coordinate of a present invention scheme drawing
The specific embodiment
The invention discloses a kind of environment friendly gasified rust-proof weaved film and manufacture method thereof, solved the problem of the antirust performance deficiency of rust-proof weaved on the market cloth at present.Simultaneously,, increased the tension force and the pull resistance of plastic woven cloth, made it no matter all keep antiseptic property under the harsh conditions how because sprayed the antirust masterbatch that has melted on not at plastic knitting.In addition, the present invention has used the new oxygen biodegradation additive that contains in raw material, increasing the biodegradability of polyethylene product, and uniform rustless property be can keep again the strengthening physical performance time, environmental protection, degradable gasified rust-proof weaved film produced.The present invention does not use harmful sodium nitrite as raw material, and the moisture-vapor transmission that reduces product uses new additive when strengthening rustless property, strengthens the degradability of product.
Embodiment:
The manufacture method of environment friendly gasified rust-proof weaved film disclosed by the invention, according to following step production:
A, according to the step of ratio of weight and number configuration raw material:
3～9 parts of Sodium Benzoates,
0.1～0.3 part of sodium metasilicate,
4～13 parts of sodium molybdates,
3～9 parts of phenylpropyl alcohol triazoles,
1～5 part of hydroxyethylcellulose,
The step of b, batch mixing: with Sodium Benzoate, sodium metasilicate, sodium molybdate, phenylpropyl alcohol triazole part, hydroxyethylcellulose drops into respectively and carries out batch mixing in the puddle mixer; Then mixture is put into and be crushed into 350～～500 order sizes in the comminutor;
The step of c, rerolling: with 2500～7500 parts of the low density polyethylene (LDPE)s of ratio of weight and number, 1500～4500 parts of polyethylenes, contain 500 parts～1500 parts of oxygen biodegradation additives and put in the mixture of step b acquisition, use homogenizer to carry out rerolling;
The step of d, the highly enriched anti-rust master batch of manufacturing: use granulating machine that the mixture granulation that step c obtains is become highly enriched anti-rust master batch;
E. launch the step of woven cloth:
F, use film layer are sprayed at the highly enriched anti-rust master batch dissolving that steps d obtains on the establishment cloth uniformly.
Step b batch mixing process is batch mixing at the uniform velocity, and mixing time is 35～45 minutes, and the puddle mixer rotating speed is 20～30 rev/mins during batch mixing.
Step c rerolling process is the high speed batch mixing, mixing time is 30～50 minutes, mixture temperature is 60～90 ℃, and the oxygen biodegradation additive (oxo-biodegradable additivemasterbatch) that contains that adopts among the step c is Britain wells plastic co., and ltd company produces.
Steps d granulating machine prilling temperature is 140～160 ℃
The woven cloth plastic woven cloth that step e adopts has 8 of warp-wise plastic strips, 8 of broadwise plastic strips in the every sq cm of described plastic woven cloth; The thickness of described plastic woven cloth is 0.02～0.03mm.
Step f film layer overlay film temperature is 185～200 ℃.
In addition, the present invention also provides according to the produced rust-proof weaved film of the manufacture method of environment friendly gasified rust-proof weaved film, and each composition weight umber proportioning of rust-proof weaved film is:
6～9 parts of Sodium Benzoates,
0.2～0.3 part of sodium metasilicate,
9～13 parts of sodium molybdates,
6～9 parts of phenylpropyl alcohol triazoles,
3～5 parts of hydroxyethylcelluloses,
5000～7500 parts of low density polyethylene (LDPE)s,
3000～4500 parts of polyethylenes,
Contain 1000 parts～1500 parts of oxygen biodegradation additives.
Each composition weight umber proportioning of rust-proof weaved film can for:
3～6 parts of Sodium Benzoates,
0.1～0.2 part of sodium metasilicate,
4～9 parts of sodium molybdates,
3～6 parts of phenylpropyl alcohol triazoles,
1～3 part of hydroxyethylcellulose,
2500～5000 parts of low density polyethylene (LDPE)s,
1500～3000 parts of polyethylenes,
Contain 500 parts～1000 parts of oxygen biodegradation additives.
Each composition weight umber proportioning of rust-proof weaved film can also for:
2～8 parts of Sodium Benzoates,
0.1～0.3 part of sodium metasilicate,
5～12 parts of sodium molybdates,
2～4 parts of phenylpropyl alcohol triazoles,
2～4 parts of hydroxyethylcelluloses,
3500～6500 parts of low density polyethylene (LDPE)s,
2000～4000 parts of polyethylenes,
Contain 700 parts～1200 parts of oxygen biodegradation additives.
Each composition weight umber proportioning of rust-proof weaved film again can for:
3～7 parts of Sodium Benzoates,
0.1～0.3 part of sodium metasilicate,
6～11 parts of sodium molybdates,
3～5 parts of phenylpropyl alcohol triazoles,
3～5 parts of hydroxyethylcelluloses,
4000～6000 parts of low density polyethylene (LDPE)s,
2500～3500 parts of polyethylenes,
Contain 800 parts～1100 parts of oxygen biodegradation additives.
The gasified rust-proof weaved film that embodiment is obtained carries out gasified rust-proofing experiment rust-proof effect experiment employing contact experimental technique.
A), metal testing plate: prepare carbon steel, aluminium, galvanized plate, copper metal testing plate, size is 3cm*3cm, and is dry at normal temperatures after cleaning up with isopropyl alcohol.
B), (3.5cm * 3.5cm) after heat is sealed a) stage preprepared metal testing plate to be put into ready gasified rust-proof weaved bag.
C), put into 10% glycerine solution 30ml in the beaker of 500ml, putting into carriage, then sealed and packed test piece is being put on the carriage, it is suitable for reading to seal up beaker with film, and experiment was checked and whether got rusty after 72 hours under 50 degree temperature Celsius.
D), test piece that a) stage is prepared carries out same test after packing with the woven cloth of general low density polyethylene films membrane, and whether inspection gets rusty.
As above form is described, can be observed the use gasified rust-proof weaved film, does not produce the phenomenon of getting rusty.
The gasified rust-proof weaved film that embodiment is obtained carries out degradation experiment
Condition: carry out in 58+ Celsius/-2 degree thermostatic containers, composting conditions (unit: degradation rate %, day) reagent: 1) cellulose
2) sodium hydroxide (NaOH analyzes pure, Beijing chemical reagents corporation)
3) barium hydrate (BaOH8H2O analyzes pure, Beijing chemical reagents corporation)
4) IM calculation (HCl analyzes pure, Beijing chemical reagents corporation)
Instrument: the experimental set-up such as the Figure of description of this test method are shown in Figure 1.
Compost container: compost container volume 3L
2) titration apparatus
The Ph meter
Analytic instrument: 1) be used to measure dried solid (at 105 ℃), the instrument of volatile solid (at 550 ℃);
Oven heat: the 202-3A type,
Electric tube furnace: SRJX-3-9
Electronic balance: AE163
2) be used for ultimate analysis, organic carbon, the instrument that carbon-nitrogen ratio is measured
Ultimate analysis: MT-5CHN
Test routine:
Compost preparation: the compost that removes the abundant aeration that the aerobic composting device produces is as compost, compost fertile 3 months ages.
Style and reference material preparation:
Measure the total organic carbon (TOC) of style and reference material.
Testing sequence:
The dry weight of compost is about 6: 1 with the dry weight of style ratio.600g compost and 100g style are mixed, in compound, add about 120ml distilled water, the compound sensation is clamminess a little, one be pressed with the free water outflow slightly with hand.With the compost container of packing into behind the abundant mixing of compound.
Usually, the total bar solid of 50g should contain the 20g total organic carbon at least in each container.
The ratio of organic carbon in the test mixture and nitrogen (C: N ratio) is between 10～40.
Compost container is prevented from use through water saturated in the experimental enviroment of (58+/-2) ℃ again, remove carbon-dioxide air and carry out aeration.
The composting test stage:
Compost container vibrates weekly once, hardens preventing, guarantees that germ fully contacts with style.
Aeration is introduced the NaOH absorption plant, and after absorbing with sodium hydroxide solution, periodic measurement dissolved inorganic carbon (DIC) is as the amount of carbon dioxide that adds up to emit.
Test results:
Inorganicization disintegration rate
Can find out that as Figure of description Fig. 2 through 570 days, degradation rate reached more than 70%.
The moisture-vapor transmission of gasified rust-proof weaved film is measured:
Measured the moisture transmitance of general woven bag film and gasified rust-proof weaved bag film of the present invention
| Kind | The moisture transmitance (g/24hrs, sq.m) |
| Gasified rust-proof weaved film | ??1.4 |
| General woven cloth | ??1.9 |
Moisture transmitance measurement result:
The moisture-vapor transmission of gasified rust-proof weaved film of the present invention is significantly less than general woven cloth.
Gasified rust-proof weaved film of the present invention has added degradability additive, sprays on plastic woven cloth with the mode of directly spraying, and has been processed to form antirust rete, therefore can be applicable to the fields such as transportation, storage, packing of Ferrous ﹠ Non Ferrous Metal series products.Moreover its degradation effect is very outstanding, environmental protection, do not use harmful chemical raw material, and long-term use can not produce harmful effect to human body yet.
Claims (10)
1, a kind of manufacture method of environment friendly gasified rust-proof weaved film is characterized in that, described manufacture method may further comprise the steps:
A, according to the step of ratio of weight and number configuration raw material:
3～9 parts of Sodium Benzoates,
0.1～0.3 part of sodium metasilicate,
4～13 parts of sodium molybdates,
3～9 parts of phenylpropyl alcohol triazoles,
1～5 part of hydroxyethylcellulose,
The step of b, batch mixing: with Sodium Benzoate, sodium metasilicate, sodium molybdate, phenylpropyl alcohol triazole part, hydroxyethylcellulose drops into respectively and carries out batch mixing in the puddle mixer; Then mixture is put into and be crushed into 350～～500 order sizes in the comminutor;
The step of c, rerolling: with 2500～7500 parts of the low density polyethylene (LDPE)s of ratio of weight and number, 1500～4500 parts of polyethylenes, contain 500 parts～1500 parts of oxygen biodegradation additives and put in the mixture of step b acquisition, use homogenizer to carry out rerolling;
The step of d, the highly enriched anti-rust master batch of manufacturing: use granulating machine that the mixture granulation that step c obtains is become highly enriched anti-rust master batch;
E. launch the step of woven cloth:
F, use film layer are sprayed at the highly enriched anti-rust master batch dissolving that steps d obtains on the establishment cloth uniformly.
According to the manufacture method of the described environment friendly gasified rust-proof weaved film of claim 1, it is characterized in that 2, described step b batch mixing process is batch mixing at the uniform velocity, mixing time is 35～45 minutes, and the puddle mixer rotating speed is 20～30 rev/mins during batch mixing.
3, according to the manufacture method of the described environment friendly gasified rust-proof weaved film of claim 1, it is characterized in that, described step c rerolling process is the high speed batch mixing, mixing time is 30～50 minutes, mixture temperature is 60～90 ℃, the oxygen biodegradation additive that contains that adopts among the described step c is Britain wells plasticco., and ltd company produces.
According to the manufacture method of the described environment friendly gasified rust-proof weaved film of claim 1, it is characterized in that 4, described steps d granulating machine prilling temperature is 140～160 ℃.
According to the manufacture method of the described environment friendly gasified rust-proof weaved film of claim 1, it is characterized in that 5, the woven cloth plastic woven cloth that described step e adopts has 8 of warp-wise plastic strips, 8 of broadwise plastic strips in the every sq cm of described plastic woven cloth; The thickness of described plastic woven cloth is 0.02～0.03mm.
According to the manufacture method of the described environment friendly gasified rust-proof weaved film of claim 1, it is characterized in that 6, described step f film layer overlay film temperature is 185～200 ℃.
7, a kind of produced rust-proof weaved film of manufacture method as claim 1-6 environment friendly gasified rust-proof weaved film as described in each is characterized in that each composition weight umber proportioning of described rust-proof weaved film is:
6～9 parts of Sodium Benzoates,
0.2～0.3 part of sodium metasilicate,
9～13 parts of sodium molybdates,
6～9 parts of phenylpropyl alcohol triazoles,
3～5 parts of hydroxyethylcelluloses,
5000～7500 parts of low density polyethylene (LDPE)s,
3000～4500 parts of polyethylenes,
Contain 1000 parts～1500 parts of oxygen biodegradation additives.
According to the described rust-proof weaved film of claim 7, it is characterized in that 8, each composition weight umber proportioning of described rust-proof weaved film is:
3～6 parts of Sodium Benzoates,
0.1～0.2 part of sodium metasilicate,
4～9 parts of sodium molybdates,
3～6 parts of phenylpropyl alcohol triazoles,
1～3 part of hydroxyethylcellulose,
2500～5000 parts of low density polyethylene (LDPE)s,
1500～3000 parts of polyethylenes,
Contain 500 parts～1000 parts of oxygen biodegradation additives.
According to the described rust-proof weaved film of claim 7, it is characterized in that 9, each composition weight umber proportioning of described rust-proof weaved film is:
2～8 parts of Sodium Benzoates,
0.1～0.3 part of sodium metasilicate,
5～12 parts of sodium molybdates,
2～4 parts of phenylpropyl alcohol triazoles,
2～4 parts of hydroxyethylcelluloses,
3500～6500 parts of low density polyethylene (LDPE)s,
2000～4000 parts of polyethylenes,
Contain 700 parts～1200 parts of oxygen biodegradation additives.
According to the described rust-proof weaved film of claim 7, it is characterized in that 10, each composition weight umber proportioning of described rust-proof weaved film is:
3～7 parts of Sodium Benzoates,
0.1～0.3 part of sodium metasilicate,
6～11 parts of sodium molybdates,
3～5 parts of phenylpropyl alcohol triazoles,
3～5 parts of hydroxyethylcelluloses,
4000～6000 parts of low density polyethylene (LDPE)s,
2500～3500 parts of polyethylenes,
Contain 800 parts～1100 parts of oxygen biodegradation additives.
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| CN2009101512167A CN101643128B (en) | 2009-06-20 | 2009-06-20 | Environment friendly gasified rust-proof weaved film and manufacturing method thereof |
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|---|---|---|---|
| CN2009101512167A CN101643128B (en) | 2009-06-20 | 2009-06-20 | Environment friendly gasified rust-proof weaved film and manufacturing method thereof |
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| CN101643128A true CN101643128A (en) | 2010-02-10 |
| CN101643128B CN101643128B (en) | 2012-05-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780009A (en) * | 2016-01-26 | 2016-07-20 | 上海三汰包装材料有限公司 | Volatile rust prevention card and preparation method thereof |
| CN107128029A (en) * | 2017-05-26 | 2017-09-05 | 山东大业股份有限公司 | It is a kind of to be exclusively used in volatile rust preventive material of steel bead wire and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2233415Y (en) * | 1995-07-18 | 1996-08-21 | 武汉市武汉防锈纸厂 | Gas-phase anti-tarnish paper |
| CN2441641Y (en) * | 2000-09-14 | 2001-08-08 | 沈阳防锈包装材料公司 | Fabric reinforced gas phase anti-corrosion film |
-
2009
- 2009-06-20 CN CN2009101512167A patent/CN101643128B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780009A (en) * | 2016-01-26 | 2016-07-20 | 上海三汰包装材料有限公司 | Volatile rust prevention card and preparation method thereof |
| CN105780009B (en) * | 2016-01-26 | 2018-06-19 | 上海三汰包装材料有限公司 | A kind of preparation method of volatile rust prevention card |
| CN107128029A (en) * | 2017-05-26 | 2017-09-05 | 山东大业股份有限公司 | It is a kind of to be exclusively used in volatile rust preventive material of steel bead wire and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN101643128B (en) | 2012-05-16 |
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