CN101648627B - Biodegradable gasified antirust pearl cotton and manufacturing method thereof - Google Patents
Biodegradable gasified antirust pearl cotton and manufacturing method thereof Download PDFInfo
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- CN101648627B CN101648627B CN2009101512114A CN200910151211A CN101648627B CN 101648627 B CN101648627 B CN 101648627B CN 2009101512114 A CN2009101512114 A CN 2009101512114A CN 200910151211 A CN200910151211 A CN 200910151211A CN 101648627 B CN101648627 B CN 101648627B
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 62
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- 238000000034 method Methods 0.000 claims abstract description 23
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- 229920000642 polymer Polymers 0.000 claims abstract description 20
- -1 polyethylene Polymers 0.000 claims abstract description 18
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- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 17
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- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 15
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims abstract description 15
- 235000010234 sodium benzoate Nutrition 0.000 claims abstract description 15
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims abstract description 15
- 235000015393 sodium molybdate Nutrition 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 238000000071 blow moulding Methods 0.000 claims abstract description 10
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- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims abstract description 4
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Images
Classifications
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Biological Depolymerization Polymers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a biodegradable gasified antirust pearl cotton and a manufacturing method thereof. The manufacturing method comprises the steps of preparing raw materials in parts by weight, mixing materials, preparing dispersants, mixing the materials for the second time, preparing additives, mixing the materials for the third time and blow forming. According to the method, the pearl cotton is obtained, and the pearl cotton comprises the following components in parts by weight: 5 to 15 parts of sodium benzoate, 2 to 6 parts of dextrine, 3 to 9 parts of benzotriazole, 3 to 9 parts of sodium molybdate, 3 to 8 parts of hydroxyethyl cellulose, 4 to 10 parts of zinc stearate, 4 to 10 parts of polyethylene wax, 2500 to 7500 parts of low-density polyethylene, 50 to 150 parts of oxygen-bearing biodegradable additives and 250 to 750 parts of metallocene paraffin polymer. The invention has advanced process, not only improves the biodegradability of the pearl cotton, but also strengthens the physical properties of the pearl cotton, and can maintain uniform antirust properties.
Description
Technical field
The present invention relates to a kind of packing that prevent metal corrosion, particularly a kind of biodegradable gasified antirust pearl cotton and manufacturing approach thereof.
Background technology
Iron and other non-metals products are in transportation, and its packing requirements possesses must buffer action, therefore usually need be with the metal inlay card in the cotton draw-in groove of pearl.And the cotton overwhelming majority of present stage pearl on the market is that raw material is processed with the poly-vinyl, and this molecular weight product is high, is difficult for when discarded decomposing, and is prone to contaminated environment.And can form carcinogen such as dioxin when burning, air is produced pollute, human body is produced harm.(dioxin in the air environment 90% derives from city and industrial refuse and incineration.Timber that lead-bearing gasoline, coal, anti-corrosion treatment are crossed and petroleum products, various waste particularly Biohazard Waste are easy to generate dioxin when combustion temperature is lower than 300-400 ℃.Dioxin is the representative of environment incretion interferent, and the endocrine of their interfere bodies produces health effect widely.Dioxin can cause the jenny ovarian dysfunction, suppresses estrogenic effect, make that jenny is infertile, the young minimizing of tire, miscarriage etc.).Therefore, need pay huge fund during this type of product abandonment and remove, producing other pollutantss in the reset procedure also is inevitable present situation.In view of the foregoing, press for the cotton appearance of degradable pearl.
At present, the raw material that the biodegradation aspect is generally used is the starch based product, but the starch degradation agent greatly reduces the physical property of product, so starch based not too is suitable for the raw material of degrading.Analyze and present stage also is used for the anti fouling composition raw material in use, its raw material pharmaceutical chemicals such as chromium, phosphorus, pyridine etc. are the pharmaceutical chemicalss of contaminated environment; Amine, nitrate etc. are harmful medicines.These present situations all need be developed new material urgently and produce biodegradable pearl cotton.
In addition; The cotton product of common pearl does not have antirust function, 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, produce biodegradable, can be rust proof gasification property pearl cotton.
Summary of the invention
Technical matters to be solved by this invention is, provides a kind of biodegradable pearl cotton, has solved the cotton main method of the discarded pearl of present processing and has promptly burnt the environmental problem that exists during landfill.Simultaneously, given rustless property again, made it no matter all keep antiseptic and rustproof performance under the harsh conditions how.
For solving the problems of the technologies described above; The present invention has used new additive 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 antirust pearl cotton produced.For this reason, the invention provides a kind of manufacturing approach of biodegradable gasified antirust pearl cotton, wherein, said manufacturing approach may further comprise the steps:
A, according to the step of ratio of weight and number configuration raw material:
5～15 parts of Sodium Benzoates,
2～6 parts in dextrin,
3～9 parts of phenylpropyl alcohol triazoles,
3～9 parts of sodium molybdates;
The step of b, batch mixing: with Sodium Benzoate, dextrin, the phenylpropyl alcohol triazole, sodium molybdate drops into respectively and carries out batch mixing in the puddle mixer; Then mixture is put into and be crushed into 250～350 orders size in the comminutor;
C, according to the step of ratio of weight and number configuration dispersing agent:
3～8 parts of hydroxyethylcelluloses,
4～10 parts of zinc stearates,
4～10 parts of Tissuemat Es;
The step of d, rerolling: with hydroxyethylcellulose, zinc stearate, Tissuemat E are put into respectively in the mixture of step b acquisition, carry out rerolling;
E, according to ratio of weight and number configuration additive-treated oil step:
Contain 50～150 parts of oxygen biodegradation additives
250～750 parts of metallocene paraffin polymers;
The step of f, No. three batch mixings: with 2500～7500 parts low density polyethylene (LDPE) particle, contain oxygen biodegradation additive, metallocene paraffin polymer is put into respectively in the mixture of steps d acquisition, uses homogenizer to carry out batch mixing No. three times;
The step of g, mixture blow molding that step f is obtained.
Said step b batch mixing process is batch mixing at the uniform velocity, and mixing time is 15～30 minutes.
Said steps d rerolling process is batch mixing at the uniform velocity, and the puddle mixer rotating speed is 15～35 rev/mins; At the uniform velocity mixing time is 20～40 minutes.
No. three batch mixing processes of said step f are the high speed batch mixing, and the high speed batch mixing is 20～40 minutes under 75～95 ℃ mixture temperature.
The step of said step g blow molding is: the mixture that step f obtains is put in the cotton shaping machine of pearl, 170～210 ℃ of processing blow moldings down.
The oxygen biodegradation additive that contains that adopts in the said step e configuration additive-treated oil step is Britain wells plastic co., and ltd company produces, and metallocene paraffin polymer is Japanese prime polymer co, and .ltd company produces.
For solving the problems of the technologies described above, the present invention also provides the produced pearl of a kind of manufacturing approach according to biodegradable gasified antirust pearl cotton cotton, and wherein, each cotton composition weight umber proportioning of said pearl is:
5～10 parts of Sodium Benzoates,
2～4 parts in dextrin,
3～6 parts of phenylpropyl alcohol triazoles,
3～6 parts of sodium molybdates,
3～5 parts of hydroxyethylcelluloses,
4～7 parts of zinc stearates,
4～7 parts of Tissuemat Es,
2500～5000 parts of low density polyethylene (LDPE) particles,
Additive:
Contain 50～100 parts of oxygen biodegradation additives,
250～500 parts of metallocene paraffin polymers.
Cotton each the composition weight umber proportioning of said pearl can for:
10～15 parts of Sodium Benzoates,
4～6 parts in dextrin,
6～9 parts of phenylpropyl alcohol triazoles,
6～9 parts of sodium molybdates,
5～8 parts of hydroxyethylcelluloses,
7～10 parts of zinc stearates,
7～10 parts of Tissuemat Es,
5000～7500 parts of low density polyethylene (LDPE) particles,
Contain 100～150 parts of oxygen biodegradation additives,
500～750 parts of metallocene paraffin polymers.
Cotton each the composition weight umber proportioning of said pearl can also for:
8～12 parts of Sodium Benzoates,
3～5 parts in dextrin,
4～8 parts of phenylpropyl alcohol triazoles,
4～8 parts of sodium molybdates,
4～6 parts of hydroxyethylcelluloses,
6～8 parts of zinc stearates,
6～8 parts of Tissuemat Es,
4000～6000 parts of low density polyethylene (LDPE) particles,
Contain 80～120 parts of oxygen biodegradation additives,
350～650 parts of metallocene paraffin polymers.
Said pearl cotton has one or more zones that comprise the cross section perforation; The perforation of said cross section be used for said pearl cotton with its metal object wedging that is carried, increase said pearl cotton with its metal object that is carried in moving process as single-piece stability and resiliency.
The present invention has following advantage:
1, improves the proportioning of conventional formulation; Used new additive in the raw material; Biodegradability to increase polyethylene product is main, and can keep uniform rustless property again the strengthening physical performance time, produces environmental protection, degradable gasified antirust pearl cotton.
2, technology is advanced, and the method for making simple and fast is efficient, when reducing flow chart, has saved unnecessary materials handling and storage,
3, solve the cotton main method of the discarded pearl of present processing and promptly burnt the environmental problem that exists during landfill.Simultaneously, given rustless property again, made it no matter all keep antiseptic and rustproof performance under the harsh conditions how.
Description of drawings
Fig. 1 is a biodegradation experimental installation scheme drawing of the present invention
Fig. 2 is the inorganic disintegration rate coordinate of a present invention scheme drawing
The specific embodiment
The invention discloses a kind of biodegradable gasified antirust pearl cotton and manufacturing approach thereof, solved the cotton main method of the discarded pearl of present processing and promptly burnt the environmental problem that exists during landfill.Simultaneously, given rustless property again, made it no matter all keep antiseptic property under the harsh conditions how.In addition, the present invention has used new additive in raw material, is main with the biodegradability that increases polyethylene product, and can keep uniform rustless property again the strengthening physical performance time, produces environmental protection, degradable gasified antirust pearl cotton.The biodegradation aspect utilizes metallic ion from the natural environment absorbed heat; Fragment into labile little strand (mol wt is less than 10.000) to macromolecular chain behind oxidative breakdown; Add the growth of microorganism desirable ingredients (for example natural plant fibre element and pharmaceutical chemicals etc.) that is present in the Nature, promote the decomposition of germ to induce biodegradation.
Embodiment:
The manufacturing approach of biodegradable gasified antirust pearl cotton disclosed by the invention, according to following step production:
A, according to the step of ratio of weight and number configuration raw material:
10 parts of Sodium Benzoates (sodium benzoate),
4 parts in dextrin (dextrin),
6 parts of phenylpropyl alcohol triazoles (benzotriazole),
6 parts of sodium molybdates (sodium molibdate),
The step of b, batch mixing: with Sodium Benzoate, dextrin, the phenylpropyl alcohol triazole, sodium molybdate drops into respectively and carries out batch mixing in the puddle mixer; Then mixture is put into and be crushed into 250～350 orders size in the comminutor;
C, according to the step of ratio of weight and number configuration dispersing agent:
5 parts of hydroxyethylcelluloses (Hydroxy ethyl cellulose),
7 parts of zinc stearates (zinc stearate),
7 parts of Tissuemat Es (PE wax),
The step of d, rerolling: with hydroxyethylcellulose, zinc stearate, Tissuemat E are put into respectively in the mixture of step b acquisition, carry out rerolling;
E, according to ratio of weight and number configuration additive-treated oil step:
Contain 100 parts of oxygen biodegradation additives (oxo-biodegradable additive masterbatch),
500 parts of metallocene paraffin polymers (METALLOCENE-OLEFIN POLYMER).
The step of f, No. three batch mixings: with fusion index is 5000 parts of 2～5 low density polyethylene (LDPE) particles (Low density polyethylene); Contain oxygen biodegradation additive; Metallocene paraffin polymer is put into respectively in the mixture of steps d acquisition, uses homogenizer to carry out batch mixing No. three times;
The step of g, mixture blow molding that step f is obtained.
In the whole process of production, require step b batch mixing process to be batch mixing at the uniform velocity, mixing time is 15～30 minutes.Require steps d rerolling process to be batch mixing at the uniform velocity, the puddle mixer rotating speed is 15～35 rev/mins; At the uniform velocity mixing time is 20～40 minutes.Requiring No. three batch mixing processes of step f is the high speed batch mixing, and the high speed batch mixing is 20～40 minutes under 75～95 ℃ mixture temperature.When requiring the step g blow molding, the mixture that step f obtains is put in the cotton shaping machine of pearl, 170～210 ℃ of processing blow moldings down.The oxygen biodegradation additive (oxo-biodegradable additive masterbatch) that contains that requires to adopt among the step e is Britain wells plastic co.; Ltd company produces; Metallocene paraffin polymer (METALLOCENE-OLEFIN POLYMER) is Japanese prime polymer co, and .ltd company produces.
In addition, it is cotton according to the produced pearl of the manufacturing approach of biodegradable gasified antirust pearl cotton that the present invention also provides, cotton each the composition weight umber proportioning of pearl can for:
9 parts of Sodium Benzoates,
3 parts in dextrin,
5 parts of phenylpropyl alcohol triazoles,
5 parts of sodium molybdates,
4 parts of hydroxyethylcelluloses,
6 parts of zinc stearates,
6 parts of Tissuemat Es,
4500 parts of low density polyethylene (LDPE) particles,
Contain 90 parts of oxygen biodegradation additives,
450 parts of metallocene paraffin polymers.
Cotton each the composition weight umber proportioning of this pearl can also for:
11 parts of Sodium Benzoates,
5 parts in dextrin,
7 parts of phenylpropyl alcohol triazoles,
7 parts of sodium molybdates,
6 parts of hydroxyethylcelluloses,
8 parts of zinc stearates,
8 parts of Tissuemat Es,
5500 parts of low density polyethylene (LDPE) particles,
Contain 110 parts of oxygen biodegradation additives,
550 parts of metallocene paraffin polymers.
Cotton each the composition weight umber proportioning of said pearl again can for:
10 parts of Sodium Benzoates,
3 parts in dextrin,
5 parts of phenylpropyl alcohol triazoles,
5 parts of sodium molybdates,
6 parts of hydroxyethylcelluloses,
9 parts of zinc stearates,
9 parts of Tissuemat Es,
5200 parts of low density polyethylene (LDPE) particles,
Contain 95 parts of oxygen biodegradation additives,
480 parts of metallocene paraffin polymers.
In addition; Have one or more zones that comprise the cross section perforation according to the produced pearl cotton of the manufacturing approach of biodegradable gasified antirust pearl cotton; The perforation of these cross sections be used for pearl cotton with its metal object wedging that is carried, increase pearl cotton with its metal object that is carried in moving process as single-piece stability and resiliency.
The pearl cotton that embodiment is obtained carries out gasified rust-proofing experiment (seeing experimental diagrams 1)
Experiment condition: contact test: humidity is more than 90%, and temperature is 50 ℃ of controlled-temperature cabinets, during experiment 72 hours.
Smoke test (GB/T-10125-1977): 5% sodium chloride solution, 35 ℃, 72 hours.
Prepare test piece: after metal testing plate respectively is cut into 2.5cm*2.5cm by kind, surface wiping uniformly, dry after wiping clean with own propyl alcohol again with aluminium cloth.With ready biodegradable gasified antirust pearl cotton (thickness 0.5mm) and common pearl cotton (thickness 0.5mm) sealed package separately.
Experimental diagrams 1
As test and to find out shown in the chart 1 that the biodegradable gasified antirust pearl cotton of making according to the present invention has excellent antirust function for Ferrous & Non Ferrous Metal.
The cotton biodegrade of pearl to embodiment obtains is tested (seeing Figure of description Fig. 2)
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 Figure of description of this test method is shown in Figure 1.
Compost container: compost container volume 3L
CO 2 measuring device: 1) absorption unit of dioxide carbon
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:
1) compost preparation: the compost that removes the abundant aeration that the aerobic composting device produces is as compost, compost fertile 3 months ages.
2) style and reference material preparation:
Measure the total organic carbon (TOC) of style and reference material.
3) 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 aqua distillata, 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.
Prevent compost container again to use through water saturated in the experimental enviroment of (58+/-2) ℃, remove carbon-dioxide air and carry out aeration.
4) 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:
Can find out that as Figure of description is shown in Figure 2 disintegration rate reaches more than 70% after 780 days.
In sum; The present invention improves conventional formulation, has used new additive in the raw material, is main with the biodegradability that increases polyethylene product; And can keep uniform rustless property again in the time of the strengthening physical performance, produce environmental protection, degradable gasified antirust pearl cotton.Technology of the present invention is advanced, and the method for making simple and fast is efficient.Solve the cotton main method of the discarded pearl of present processing and promptly burnt the environmental problem that exists during landfill.Simultaneously, given rustless property again, made it no matter all keep antiseptic property under the harsh conditions how.
Claims (8)
1. the manufacturing approach of a biodegradable gasified antirust pearl cotton is characterized in that, said manufacturing approach may further comprise the steps:
A, according to the step of ratio of weight and number configuration raw material:
5～15 parts of Sodium Benzoates,
2～6 parts in dextrin,
3～9 parts of phenylpropyl alcohol triazoles,
3～9 parts of sodium molybdates;
The step of b, batch mixing: with Sodium Benzoate, dextrin, the phenylpropyl alcohol triazole, sodium molybdate drops into respectively and carries out batch mixing in the puddle mixer; Then mixture is put into and be crushed into 250～350 orders size in the comminutor;
C, according to the step of ratio of weight and number configuration dispersing agent:
3～8 parts of hydroxyethylcelluloses,
4～10 parts of zinc stearates,
4～10 parts of Tissuemat Es;
The step of d, rerolling: with hydroxyethylcellulose, zinc stearate, Tissuemat E are put into respectively in the mixture of step b acquisition, carry out rerolling;
E, according to ratio of weight and number configuration additive-treated oil step:
Contain 50～150 parts of oxygen biodegradation additives
250～750 parts of metallocene paraffin polymers;
The step of f, No. three batch mixings: with 2500～7500 parts low density polyethylene (LDPE) particle, contain oxygen biodegradation additive, metallocene paraffin polymer is put into respectively in the mixture of steps d acquisition, uses homogenizer to carry out batch mixing No. three times;
The step of g, mixture blow molding that step f is obtained.
2. according to the manufacturing approach of the said biodegradable gasified antirust pearl cotton of claim 1, it is characterized in that step b batch mixing process is batch mixing at the uniform velocity, mixing time is 15～30 minutes.
3. according to the manufacturing approach of the said biodegradable gasified antirust pearl cotton of claim 1, it is characterized in that steps d rerolling process is batch mixing at the uniform velocity, the puddle mixer rotating speed is 15～35 rev/mins; At the uniform velocity mixing time is 20～40 minutes.
4. according to the manufacturing approach of the said biodegradable gasified antirust pearl cotton of claim 1, it is characterized in that No. three batch mixing processes of step f are the high speed batch mixing, the high speed batch mixing is 20～40 minutes under 75～95 ℃ mixture temperature.
5. according to the manufacturing approach of the said biodegradable gasified antirust pearl cotton of claim 1; It is characterized in that; The step of step g blow molding is: the mixture that step f obtains is put in the cotton shaping machine of pearl, 170～210 ℃ of processing blow moldings down.
6. according to the manufacturing approach of the said biodegradable gasified antirust pearl cotton of claim 1; It is characterized in that; The oxygen biodegradation additive that contains that adopts in the step e configuration additive-treated oil step is that Britain wells plastic co.ltd company produces, and metallocene paraffin polymer is that Japanese prime polymer co.ltd company produces.
7. the produced pearl of the manufacturing approach like each said biodegradable gasified antirust pearl cotton of claim 1-6 is cotton, it is characterized in that, each cotton composition weight umber proportioning of said pearl is:
5～10 parts of Sodium Benzoates,
2～4 parts in dextrin,
3～6 parts of phenylpropyl alcohol triazoles,
3～6 parts of sodium molybdates,
3～5 parts of hydroxyethylcelluloses,
4～7 parts of zinc stearates,
4～7 parts of Tissuemat Es,
2500～5000 parts of low density polyethylene (LDPE) particles,
Additive:
Contain 50～100 parts of oxygen biodegradation additives,
250～500 parts of metallocene paraffin polymers.
8. pearl according to claim 7 is cotton; It is characterized in that; Said pearl cotton has one or more zones that comprise the cross section perforation; The perforation of said cross section be used for said pearl cotton with its metal object wedging that is carried, increase said pearl cotton with its metal object that is carried in moving process as single-piece stability and resiliency.
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| CN108384095A (en) * | 2018-03-16 | 2018-08-10 | 青岛中隆科技股份有限公司 | A kind of EPE pearl wool and preparation method thereof |
| CN108467535A (en) * | 2018-05-29 | 2018-08-31 | 佛山市正道中印包装印刷有限公司 | A kind of degradable PE cotton printed apcksging materials |
| CN111205537A (en) * | 2020-02-17 | 2020-05-29 | 布兰诺工业包装材料(上海)有限公司 | Pearl cotton and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1344616A (en) * | 2001-09-25 | 2002-04-17 | 沈阳防锈包装材料公司 | Gaseous antirust film and its production process |
| US6533962B1 (en) * | 1998-11-13 | 2003-03-18 | Vojensky Technicky Ustav Ochrany | Anticorrosive plastic packaging materials |
| CN1796449A (en) * | 2004-12-24 | 2006-07-05 | 李延明 | Gas phase anticorrosive thin film of thermal contraction |
| CN101298186A (en) * | 2008-06-11 | 2008-11-05 | 金健汉 | Preparation of degradable gasification anti-rust film |
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| US6533962B1 (en) * | 1998-11-13 | 2003-03-18 | Vojensky Technicky Ustav Ochrany | Anticorrosive plastic packaging materials |
| CN1344616A (en) * | 2001-09-25 | 2002-04-17 | 沈阳防锈包装材料公司 | Gaseous antirust film and its production process |
| CN1796449A (en) * | 2004-12-24 | 2006-07-05 | 李延明 | Gas phase anticorrosive thin film of thermal contraction |
| CN101298186A (en) * | 2008-06-11 | 2008-11-05 | 金健汉 | Preparation of degradable gasification anti-rust film |
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