CN1296202C - Moisture/gas permeable packaging material and production method thereof - Google Patents
Moisture/gas permeable packaging material and production method thereof Download PDFInfo
- Publication number
- CN1296202C CN1296202C CNB2005100941025A CN200510094102A CN1296202C CN 1296202 C CN1296202 C CN 1296202C CN B2005100941025 A CNB2005100941025 A CN B2005100941025A CN 200510094102 A CN200510094102 A CN 200510094102A CN 1296202 C CN1296202 C CN 1296202C
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- CN
- China
- Prior art keywords
- reinforcing fiber
- paper
- softening point
- film
- netted reinforcing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000005022 packaging material Substances 0.000 title claims description 13
- 239000012783 reinforcing fiber Substances 0.000 claims abstract description 32
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 24
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 15
- 230000001788 irregular Effects 0.000 claims abstract description 6
- 239000004698 Polyethylene Substances 0.000 claims description 11
- 229920000098 polyolefin Polymers 0.000 claims description 11
- -1 polyethylene Polymers 0.000 claims description 10
- 229920000573 polyethylene Polymers 0.000 claims description 10
- 238000005098 hot rolling Methods 0.000 claims description 8
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 7
- 229920001195 polyisoprene Polymers 0.000 claims description 7
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 6
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000035699 permeability Effects 0.000 abstract description 8
- 229920001971 elastomer Polymers 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 abstract 6
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 238000003672 processing method Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 238000009738 saturating Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000003230 hygroscopic agent Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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- Paper (AREA)
Abstract
The present invention discloses a packing material with moisture permeability and air permeability, which is provided with a paper layer, wherein a reticular reinforcing fiber layer is compounded on the paper layer, a thermoplastic membrane layer is compounded on the reticular reinforcing fiber layer, and irregular craquelures are arranged on the thermoplastic membrane layer. A production method comprises a heat roller and an elastic rubber roller which are capable of heating the paper, the reticular reinforcing fiber and a thermoplastic membrane at the temperature above the softening point of the thermoplastic membrane. The paper is placed at one side of the heat roller, and the thermoplastic membrane is placed at one side of the elastic rubber roller; the reticular reinforcing fiber is placed between the paper and the thermoplastic membrane. The present invention has the advantages of reasonable structure, good moisture permeability and air permeability, the guarantee of strength, simple production technology, easy operation and low production cost.
Description
Technical field:
The present invention relates to a kind of packaging material and production method.
Background technology:
For a long time, processing possesses certain intensity and has the processing method of the packaging material of good gas permeability to have: it is netted reinforcing fiber, three layers of packaging material of formation that raw material was extended that the polyolefinic while that 1, paper is placed below, centre to squeeze out molten condition is put thereon with the polyolefin again, utilizes the pin or the projection that heated to make molten the opening of polyolefin film make it possess certain gas permeability then.Such processing method because the netted reinforcing fiber of extend through is configured in innermost layer, compare with polyolefin film and rough smooth netted reinforcing fiber between contact area diminish, heat seal strength is not high, and some bad situations can take place.2, hold the hole successfully with the pin that much heated earlier on polyolefin film, paper is placed hot-rolling one side, the polyolefin film of holding the hole in advance successfully places rubber rollers one side, and the centre penetrates reinforcing fiber, these three layers is combined with each other is processed into the gas permeability packaging material.Such processing method need be carried out perforate to polyolefin film, complex procedures, cost height.
Summary of the invention:
The object of the present invention is to provide a kind of rational in infrastructure, ventilative, poisture-penetrability is good, production technology is simple, easy-operating to wet, air-permeable packaging material and production method thereof.
Technical solution of the present invention is:
A kind of wet, air-permeable packaging material is characterized in that: ply of paper is arranged, and composite mesh reinforcing fiber layer on the ply of paper, compound thermoplasticity rete on the netted reinforcing fiber layer has irregular Craquelure on the thermoplasticity rete.
Netted reinforcing fiber layer is that thickness is the polyolefine material of 0.05～0.15mm.The thermoplasticity rete is that the softening point, the melt flow rate (MFR) that adopt softening point to be lower than netted reinforcing fiber layer material are/10 minutes materials of 2～20 grams, and thickness is 0.01～0.04mm.The thermoplasticity rete be softening point, melt flow rate (MFR) that softening point is lower than netted reinforcing fiber layer material be 2～20 grams/10 minutes, thickness be 0.01～0.04mm polyethylene film or ethylene-vinyl acetate copolymer film, be added with the luxuriant polyethylene film of promoter metal.The ply of paper specification be 30～50 the gram/square metre.
A kind of production method of wet, air-permeable packaging material, it is characterized in that: with paper, netted reinforcing fiber, thermoplastic film by being warmed to hot-rolling and the elastic caoutchouc roller more than the thermoplastic film softening point, paper is positioned over hot-rolling one side, thermoplastic film places elastic caoutchouc roller one side, and netted reinforcing fiber places between paper and the thermoplastic film; Netted reinforcing fiber is that thickness is the polyolefine material of 0.05～0.15mm, and thermoplastic film is that the softening point, the melt flow rate (MFR) that adopt softening point to be lower than netted reinforcing fiber layer material are that 2～20 grams/10 minutes, thickness are the material of 0.01～0.04mm.
Thermoplastic film be softening point, melt flow rate (MFR) that softening point is lower than netted reinforcing fiber layer material be 2～20 grams/10 minutes, thickness be 0.01～0.04mm polyethylene film (PE) or ethylene-vinyl acetate copolymer film (EVA), be added with the polyethylene film of promoter metal luxuriant (metallocene).
The present invention is rational in infrastructure, saturating wet, good permeability, and intensity guarantees, and production technology is simple, easy to operate, production cost is low.Be specially adapted to pack lime, silica gel, contain the raw material of the hygroscopic agent such as porous material, zeolite, clay of salt, and the raw material that is used for adsorbents such as active carbon, molecular sieve.Product of the present invention usually with paper as the outside, thermoplastic film is as the inboard, by three limits or four limits are sealed the system pouch.
Description of drawings:
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the product structure diagrammatic sketch of one embodiment of the invention.
Fig. 2 is the processing method diagrammatic sketch of one embodiment of the invention.
The specific embodiment:
With paper 1, netted reinforcing fiber 2, thermoplastic film 3 by being warmed to hot-rolling 4 and the elastic caoutchouc roller 5 that (is generally 80～500 ℃) more than the thermoplastic film softening point, paper 1 is positioned over hot-rolling 4 one sides, thermoplastic film 3 places elastic caoutchouc roller 5 one sides, and netted reinforcing fiber 2 places between paper 1 and the thermoplastic film 3; Netted reinforcing fiber 2 is that thickness is the polyolefine material of 0.05～0.15mm, and thermoplastic film 3 is that softening point, melt flow rate (MFR) that softening point is lower than netted reinforcing fiber material are that 2～20 grams/10 minutes, thickness are the polyethylene film (or ethylene-vinyl acetate copolymer film, be added with the luxuriant polyethylene film of promoter metal) of 0.01～0.04mm.The specification of paper be 30～50 the gram/square metre.Irregular be full of cracks takes place in thermoplastic film in the manufacturing process, forms irregular cracks.The product that forms has ply of paper 1, composite mesh reinforcing fiber layer 2 on the ply of paper 1, and compound thermoplasticity rete 3 on the netted reinforcing fiber layer 2 has irregular Craquelure 6 on the thermoplasticity rete 3.
Claims (4)
1, a kind of wet, air-permeable packaging material is characterized in that: ply of paper is arranged, and composite mesh reinforcing fiber layer on the ply of paper, compound thermoplasticity rete on the netted reinforcing fiber layer has irregular Craquelure on the thermoplasticity rete; Netted reinforcing fiber layer is that thickness is the polyolefine material of 0.05～0.15mm; The thermoplasticity rete is that softening point, the melt flow rate (MFR) that softening point is lower than netted reinforcing fiber layer material is that 2～20 grams/10 minutes, thickness are polyethylene film or the ethylene-vinyl acetate copolymer film of 0.01～0.04mm.
2, wet, air-permeable packaging material according to claim 1, it is characterized in that: polyethylene film adopts and is added with the luxuriant polyethylene film of promoter metal.
3, wet, air-permeable packaging material according to claim 1 and 2 is characterized in that: the ply of paper specification be 30～50 grams/square metre.
4, a kind of production method of wet, air-permeable packaging material, it is characterized in that: hot-rolling and elastic caoutchouc roller are warmed to more than the thermoplastic film softening point, with paper, netted reinforcing fiber, thermoplastic film by hot-rolling and elastic caoutchouc roller, paper is positioned over hot-rolling one side, thermoplastic film places elastic caoutchouc roller one side, and netted reinforcing fiber places between paper and the thermoplastic film; Netted reinforcing fiber is that thickness is the polyolefine material of 0.05～0.15mm, and thermoplastic film is that softening point, the melt flow rate (MFR) that softening point is lower than netted reinforcing fiber layer material is that 2～20 grams/10 minutes, thickness are polyethylene film or the ethylene-vinyl acetate copolymer film of 0.01～0.04mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100941025A CN1296202C (en) | 2005-08-25 | 2005-08-25 | Moisture/gas permeable packaging material and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100941025A CN1296202C (en) | 2005-08-25 | 2005-08-25 | Moisture/gas permeable packaging material and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1730275A CN1730275A (en) | 2006-02-08 |
| CN1296202C true CN1296202C (en) | 2007-01-24 |
Family
ID=35962713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100941025A Expired - Fee Related CN1296202C (en) | 2005-08-25 | 2005-08-25 | Moisture/gas permeable packaging material and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1296202C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166865A (en) * | 2011-01-27 | 2011-08-31 | 南通大江化学有限公司 | Drying agent packing material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2266573Y (en) * | 1996-11-14 | 1997-11-05 | 宋大兴 | High-strength dead tissue green paper for package bag |
| US6080456A (en) * | 1994-08-10 | 2000-06-27 | Horst von Borries | Packaging for articles that are to be sterilized |
| CN2404918Y (en) * | 1999-09-09 | 2000-11-08 | 沈阳防锈包装材料公司 | Reinforcement and double attached film type air phase antirust paper |
-
2005
- 2005-08-25 CN CNB2005100941025A patent/CN1296202C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6080456A (en) * | 1994-08-10 | 2000-06-27 | Horst von Borries | Packaging for articles that are to be sterilized |
| CN2266573Y (en) * | 1996-11-14 | 1997-11-05 | 宋大兴 | High-strength dead tissue green paper for package bag |
| CN2404918Y (en) * | 1999-09-09 | 2000-11-08 | 沈阳防锈包装材料公司 | Reinforcement and double attached film type air phase antirust paper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1730275A (en) | 2006-02-08 |
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