CN101643127A - Biodegradable gasified rust-proof bubble film and manufacturing method thereof - Google Patents
Biodegradable gasified rust-proof bubble film and manufacturing method thereof Download PDFInfo
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- CN101643127A CN101643127A CN200910151215A CN200910151215A CN101643127A CN 101643127 A CN101643127 A CN 101643127A CN 200910151215 A CN200910151215 A CN 200910151215A CN 200910151215 A CN200910151215 A CN 200910151215A CN 101643127 A CN101643127 A CN 101643127A
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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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- 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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Abstract
The invention discloses a biodegradable gasified rust-proof bubble film and a manufacturing method thereof, wherein the raw materials consist of, in parts by weight, 5-15 parts of sodium benzoate, 2-6parts of dextrin, 3-9 parts of benzotriazole, 3-9 parts of sodium molybdate, 3-8 parts of hydroxyethylcellulose, 4-10 parts of zinc stearate, 4-10 parts of polyethylene wax, and 2500-7500 parts of low density polyethylene, and the addictives consist of, in parts by weight, 50-150 parts of oxygen-containing biodegradable additive, and 250-750 parts of metallocene paraffin wax polymer. The invention comprises the following steps in manufacturing process: preparing raw materials, shattering raw materials, adding secondary raw materials, adding additives, and blowing mould. The invention has advanced technology, simple manufacturing method, high speed and high efficiency. The traditional formulation is improved, thereby increasing the biodegradability of products, enhancing the physical properties, simultaneously maintaining uniform rust-proof properties, and solving the environmental problem caused by existing main treatment of overburning and burying waste bubble film.
Description
Technical field
The present invention relates to a kind of bubble chamber film packing that prevent metal corrosion, particularly a kind of can biodegradable gasified rust-proof bubble film and manufacture method thereof.
Background technology
Iron and other non-metals products are in transportation, and its packing requirements possesses must buffer action, therefore usually need to use bubble chamber film to be coated on the metal surface.And present stage the bubble chamber film overwhelming majority on the market be that raw material is made with the polyethylene, this molecular weight product height is difficult for when discarded decomposing, easily 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 they can disturb the endocrine of body, 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, pressing for degradable bubble chamber film occurs.
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 to develop new material urgently and produce biodegradable bubble chamber film.
In addition, common blister film product 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 these variety of problems, a kind of new material of most advanced and sophisticated environmental protection appears in eager needs, produce biodegradable, can rust proof gasification bubble chamber film.
Summary of the invention
Technical matters to be solved by this invention is, a kind of biodegradable bubble chamber film is provided, and has solved the discarded bubble chamber film main method 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 property 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 rust-proof bubble film produced.For this reason, the invention provides a kind of biodegradable gasified rust-proof bubble film, wherein, dispose raw material and additive according to the following portions by weight ratio:
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,
3～8 parts of hydroxyethylcelluloses,
4～10 parts of zinc stearates,
4～10 parts of Tissuemat Es,
2500～7500 parts of low density polyethylene (LDPE)s,
Additive:
Contain 50～150 parts of oxygen biodegradation additives,
250～750 parts of metallocene paraffin polymers.
Described biodegradable gasified rust-proof bubble film, can dispose raw material and additive according to the following portions by weight ratio:
Raw material:
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)s,
Additive:
Contain 50～100 parts of oxygen biodegradation additives,
250～500 parts of metallocene paraffin polymers.
Described biodegradable gasified rust-proof bubble film, can also dispose raw material and additive according to the following portions by weight ratio:
Raw material:
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)s,
Additive:
Contain 100～150 parts of oxygen biodegradation additives,
500～750 parts of metallocene paraffin polymers.
Described biodegradable gasified rust-proof bubble film, can dispose raw material and additive according to the following portions by weight ratio again:
Raw material:
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)s,
Additive:
Contain 80～120 parts of oxygen biodegradation additives,
350～650 parts of metallocene paraffin polymers.
For solving the problems of the technologies described above, the present invention also provides a kind of manufacture method of biodegradable gasified rust-proof bubble film, and wherein, described manufacture method may further comprise the steps:
A, with 5～15 parts of the Sodium Benzoates of ratio of weight and number, 2～6 parts in dextrin, 3～9 parts of phenylpropyl alcohol triazoles, 3～9 parts of sodium molybdates are put into puddle mixer and were stirred 15～25 minutes, it is standby evenly to mix the back;
B, the compound that step a is obtained are put into comminutor and are ground into 250-350 order size;
C, in the compound that step b obtains, add 4～6 parts of the hydroxyethylcelluloses of ratio of weight and number, 6～8 parts of zinc stearates, 6～8 parts of Tissuemat Es place in the puddle mixer and at the uniform velocity stir;
D, to add fusion index in the compound that step c obtains be 2500～7500 parts of 2～5 low density polyethylene (LDPE) particles, add additive after, use the puddle mixer high-speed stirred;
E, the compound that steps d is obtained are put into bubble chamber film make-up machine, blow molding.
The rotating speed that the described puddle mixer of step c at the uniform velocity stirs is 20～30 rev/mins, and mixing time is 25～35 minutes.
Additive described in the steps d be ratio of weight and number contain 50～150 parts of oxygen biodegradation additives, 250～750 parts of metallocene paraffin polymers.
The time of the described puddle mixer high-speed stirred of steps d is 25～35 minutes, and the control temperature is 80～90 ℃ during stirring.
The control temperature is 175～200 ℃ during step e blow molding.
The described oxygen biodegradation additive that contains is Britain wells plastic co., and ltd company produces, and described metallocene paraffin polymer is Japanese prime polymer co, and .ltd company produces.
The present invention has following advantage:
1, improves conventional formulation, used new additive in the raw material, increasing the biodegradability of polyethylene product, and can keep uniform rustless property again the strengthening physical performance time, produce environmental protection, degradable gasified rust-proof bubble film.
2, technology advanced person, the method for making simple and fast is efficient.
3, the main method that has solved the discarded bubble chamber film of present processing is 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.
Description of drawings
Fig. 1 is a degradation experiment device 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 rust-proof bubble film and manufacture method thereof, solved the discarded bubble chamber film main method 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, increasing the biodegradability of polyethylene product, and can keep uniform rustless property again the strengthening physical performance time, produces environmental protection, degradable gasified rust-proof bubble film.The biodegradation aspect utilizes metallic ion from the natural environment absorbed heat, macromolecular chain is fragmented into labile little strand (mol wt is less than 10.000) 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:
Raw material and additive according to the biodegradable gasified rust-proof bubble film of following portions by weight ratio 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),
5 parts of hydroxyethylcelluloses (Hydroxy ethyl cellulose),
7 parts of zinc stearates (zinc stearate),
7 parts of Tissuemat Es (PE wax),
5000 parts of low density polyethylene (LDPE)s (Low density polyethylene),
Additive:
Contain 100 parts of oxygen biodegradation additives (oxo-biodegradable additive masterbatch),
500 parts of metallocene paraffin polymers (METALLOCENE-OLEFIN POLYMER).
In these materials, zinc stearate (zinc stearate), Tissuemat E (PE wax) is added in the mixture as dispersing agent; Hydroxyethylcellulose (Hydroxy ethyl cellulose) is added in the mixture as common additives; Contain oxygen biodegradation additive (oxo-biodegradable additivemasterbatch) and metallocene paraffin polymer (METALLOCENE-OLEFINPOLYMER) and be added in the mixture as degradability additive and corrosion preventive additive, concrete manufacture method is as follows:.
A, with 10 parts of the Sodium Benzoates of ratio of weight and number, 4 parts in dextrin, 6 parts of phenylpropyl alcohol triazoles, 6 parts of sodium molybdates are put into puddle mixer and were stirred 20 minutes, it is standby evenly to mix the back;
B, the compound that step a is obtained are put into comminutor and are ground into 250-350 order size;
C, in the compound that step b obtains, add 5 parts of the hydroxyethylcelluloses of ratio of weight and number, 7 parts of zinc stearates, 7 parts of Tissuemat Es place in the puddle mixer and at the uniform velocity stir; The rotating speed of puddle mixer is 25 rev/mins, and mixing time is 30 minutes.
D, to add fusion index in the compound that step c obtains be 5000 parts of 2～5 low density polyethylene (LDPE) particles, add Britain wells plastic co., ltd company produces contains 100 parts of oxygen biodegradation additives (oxo-biodegradable additive masterbatch), add Japanese primepolymer co, .ltd behind 500 parts of the metallocene paraffin polymers (METALLOCENE-OLEFINPOLYMER) produced of company, use the puddle mixer high-speed stirred; The time of stirring is 30 minutes, and the control temperature is 85 ℃ during stirring.
E, the compound that steps d is obtained are put into the bubble chamber film make-up machine, blow molding in the time of 190 ℃.Wastage rate in the forming process are 4.9%.
The bubble chamber film that embodiment is obtained carries out gasified rust-proofing experiment (seeing experimental diagrams 1)
Experiment condition: the contact test: humidity is more than 90%, and temperature is 50 ℃ of controlled-temperature cabinets, experimental period 72 hours.
Smog experiment (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 rust-proof bubble film (bubble size: 3mm) and common blister film (bubble size: 3mm) sealed package separately.
Experimental diagrams 1
The biodegradable gasified rust-proof bubble film of making according to the present invention as can be seen shown in chart 1 has excellent antirust function for Ferrous ﹠ Non Ferrous Metal.
The bubble chamber film biodegrade that 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 structure such as the Figure of description of the experimental set-up 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:
As Figure of description shown in Figure 2 as can be seen after 780 days disintegration rate reach more than 70%.
In sum, the present invention improves conventional formulation, has used new additive in the raw material, to increase the biodegradability of polyethylene product, and can keep uniform rustless property again in the time of the strengthening physical performance, produce environmental protection, degradable gasified rust-proof bubble film.Technology advanced person of the present invention, the method for making simple and fast is efficient.The main method that has solved the discarded bubble chamber film of present processing is 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 (10)
1, a kind of biodegradable gasified rust-proof bubble film is characterized in that, disposes raw material and additive according to the following portions by weight ratio:
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,
3～8 parts of hydroxyethylcelluloses,
4～10 parts of zinc stearates,
4～10 parts of Tissuemat Es,
2500～7500 parts of low density polyethylene (LDPE)s,
Additive:
Contain 50～150 parts of oxygen biodegradation additives,
250～750 parts of metallocene paraffin polymers.
2, according to the described biodegradable gasified rust-proof bubble film of claim 1, it is characterized in that, dispose raw material and additive according to the following portions by weight ratio:
Raw material:
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)s,
Additive:
Contain 50～100 parts of oxygen biodegradation additives,
250～500 parts of metallocene paraffin polymers.
3, according to the described biodegradable gasified rust-proof bubble film of claim 1, it is characterized in that, dispose raw material and additive according to the following portions by weight ratio:
Raw material:
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)s,
Additive:
Contain 100～150 parts of oxygen biodegradation additives,
500～750 parts of metallocene paraffin polymers.
4, according to the described biodegradable gasified rust-proof bubble film of claim 1, it is characterized in that, dispose raw material and additive according to the following portions by weight ratio:
Raw material:
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)s,
Additive:
Contain 80～120 parts of oxygen biodegradation additives,
350～650 parts of metallocene paraffin polymers.
5, a kind of as the manufacture method of biodegradable gasified rust-proof bubble film as described in each among the claim 1-4, it is characterized in that described manufacture method may further comprise the steps:
A, with 5～15 parts of the Sodium Benzoates of ratio of weight and number, 2～6 parts in dextrin, 3～9 parts of phenylpropyl alcohol triazoles, 3～9 parts of sodium molybdates are put into puddle mixer and were stirred 15～25 minutes, it is standby evenly to mix the back;
B, the compound that step a is obtained are put into comminutor and are ground into 250-350 order size;
C, in the compound that step b obtains, add 4～6 parts of the hydroxyethylcelluloses of ratio of weight and number, 6～8 parts of zinc stearates, 6～8 parts of Tissuemat Es place in the puddle mixer and at the uniform velocity stir;
D, to add fusion index in the compound that step c obtains be 2500～7500 parts of 2～5 low density polyethylene (LDPE) particles, add additive after, use the puddle mixer high-speed stirred;
E, the compound that steps d is obtained are put into bubble chamber film make-up machine, blow molding.
According to the manufacture method of the described biodegradable gasified rust-proof bubble film of claim 5, it is characterized in that 6, the rotating speed that the described puddle mixer of step c at the uniform velocity stirs is 20～30 rev/mins, mixing time is 25～35 minutes.
7, according to the manufacture method of the described biodegradable gasified rust-proof bubble film of claim 5, it is characterized in that, additive described in the steps d be ratio of weight and number contain 50～150 parts of oxygen biodegradation additives, 250～750 parts of metallocene paraffin polymers.
According to the manufacture method of the described biodegradable gasified rust-proof bubble film of claim 5, it is characterized in that 8, the time of the described puddle mixer high-speed stirred of steps d is 25～35 minutes, the control temperature is 80～90 ℃ during stirring.
According to the manufacture method of the described biodegradable gasified rust-proof bubble film of claim 5, it is characterized in that 9, the control temperature is 175～200 ℃ during step e blow molding.
10, according to the manufacture method of the described biodegradable gasified rust-proof bubble film of claim 7, it is characterized in that, the described oxygen biodegradation additive that contains is Britain wells plastic co., ltd company produces, described metallocene paraffin polymer is Japanese prime polymer Co, and .ltd company produces.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102391548A (en) * | 2011-09-07 | 2012-03-28 | 中国人民解放军军械工程学院 | Biodegradable starch-based molybdate gas-phase rust-preventing masterbatch |
| CN102702610A (en) * | 2012-05-22 | 2012-10-03 | 赵宁 | Method for preparing antirust master batch without nitrite |
| CN103435885A (en) * | 2013-08-14 | 2013-12-11 | 吴江市英力达塑料包装有限公司 | Degradable inflaming retarding air bubble film and preparation method thereof |
| 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 |
| CN107540918A (en) * | 2017-09-28 | 2018-01-05 | 广东天元实业集团股份有限公司 | Bubble bags materials |
| CN109294027A (en) * | 2018-08-08 | 2019-02-01 | 桐乡市凯瑞包装材料有限公司 | Degradable high-strength composite bubble chamber film and its processing method |
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| CN116253943A (en) * | 2023-03-23 | 2023-06-13 | 浙江万木新材料科技股份有限公司 | High-barrier anti-tearing composite foaming film and production method thereof |
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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 |
| CN1226360C (en) * | 2001-10-01 | 2005-11-09 | 金健汉 | Gasifying rust-rpoof film and its producing method |
| CN1796449A (en) * | 2004-12-24 | 2006-07-05 | 李延明 | Gas phase anticorrosive thin film of thermal contraction |
| CN101298186B (en) * | 2008-06-11 | 2010-06-09 | 金健汉 | Preparation of degradable gasification anti-rust film |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102391548A (en) * | 2011-09-07 | 2012-03-28 | 中国人民解放军军械工程学院 | Biodegradable starch-based molybdate gas-phase rust-preventing masterbatch |
| CN102391548B (en) * | 2011-09-07 | 2013-06-19 | 中国人民解放军军械工程学院 | Biodegradable starch-based molybdate gas-phase rust-preventing masterbatch |
| CN102702610A (en) * | 2012-05-22 | 2012-10-03 | 赵宁 | Method for preparing antirust master batch without nitrite |
| CN102702610B (en) * | 2012-05-22 | 2015-10-14 | 青岛鑫盈鑫包装材料有限公司 | One is not containing nitrous acid salt form anti-rust master batch manufacture method |
| CN103435885A (en) * | 2013-08-14 | 2013-12-11 | 吴江市英力达塑料包装有限公司 | Degradable inflaming retarding air bubble film and preparation method thereof |
| 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 |
| CN107540918A (en) * | 2017-09-28 | 2018-01-05 | 广东天元实业集团股份有限公司 | Bubble bags materials |
| CN109294027A (en) * | 2018-08-08 | 2019-02-01 | 桐乡市凯瑞包装材料有限公司 | Degradable high-strength composite bubble chamber film and its processing method |
| CN109880210A (en) * | 2019-02-23 | 2019-06-14 | 厦门鑫德隆工贸有限公司 | A kind of degradable bubble bags material and preparation method thereof |
| CN116253943A (en) * | 2023-03-23 | 2023-06-13 | 浙江万木新材料科技股份有限公司 | High-barrier anti-tearing composite foaming film and production method thereof |
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