CN203427412U - High-barrier PVDC (Polyvinyl Dichloride) composite sheet for plastic ampoule - Google Patents
High-barrier PVDC (Polyvinyl Dichloride) composite sheet for plastic ampoule Download PDFInfo
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- CN203427412U CN203427412U CN201320501681.0U CN201320501681U CN203427412U CN 203427412 U CN203427412 U CN 203427412U CN 201320501681 U CN201320501681 U CN 201320501681U CN 203427412 U CN203427412 U CN 203427412U
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- pvdc
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Abstract
The utility model relates to a high-barrier PVDC (Polyvinyl Dichloride) composite sheet for a plastic ampoule. The composite sheet comprises a PVC (Poly Vinyl Chloride) film layer, a first bonding agent layer, a PVDC film layer, a second bonding agent layer and a PE (Poly Ethylene) film layer which are arranged from bottom to top in sequence, wherein the PVC film layer is adhered to the PVDC film layer by the first bonding agent layer; the PVDC film layer is adhered to the PE film layer by the second bonding agent layer. The high-barrier PVDC composite sheet for the plastic ampoule has the strength and the toughness of PVC and a good gas barrier capability, and also has a high-strength liquid barrier capability and an excellent heat sealing effect of PE; the high-barrier PVDC composite sheet has good oxygen resistance and moisture resistance of PVDC and has the characteristics of long guarantee period, safety and reliability and the like.
Description
Technical field
The utility model relates to a kind of composite hard sheet, especially relates to high-barrier PVDC composite hard sheet for a kind of plastic ampoule.
Background technology
PVDC, formal name used at school " polyvinylidene chloride " is a kind of softening temperature at the thermoplastic polymer of 160～200 ℃, has linear polymerization chain structure from beginning to end, and molecular structure is symmetrical, and degree of crystallinity is high.For PVDC, because its intermolecular cohesive force is strong, degree of crystallinity is high, chlorine atom in PVDC molecule has hydrophobicity, can not form hydrogen bond, oxygen molecule and hydrone are difficult to move in PVDC molecule, thereby it is moist with resistance to make it have good oxygen barrier, and its oxygen barrier is not subject to the impact of ambient humidity.That is to say, under any temperature or damp condition, have the ability of remarkable obstruct steam, oxygen, smell and fragrance concurrently, is the best plastic package material of combination property aspect barrier of generally acknowledging at present.Main application fields: the fields such as cheese, soup, snacks, retort pouch, medical package, dry type packaging for foodstuff, biscuit and cereal preparation, pet food, the upper and lower film of stretching, sauce, meat products, flexible package punch, bean product packing, electronic product packing, chemical industry packing.
Hp-ldpe film, is called for short PE film, has odorless, tasteless, nontoxic, acid and alkali-resistance and high-ductility is flexible, bubble-tight perfect package material, is used for packing various food, daily necessities etc.; After itself and the hard sheet of PVC are compound, for the filling medical invigorant of low dose of disposable plastic doleiform formula, soft drink, cosmetics etc., be a kind of desirable packaging material.Although this composite is to very good to the obstruct of liquid, not good to the barrier of gas.
It is simple that existing plastic ampoule and glass ampule relatively have technology of the package, use safety, convenient transport is the advantage such as cracky not, but poor to the barrier of the gases such as steam and oxygen, the phenomenon that there will be before the deadline content volume to reduce after filling liquid medicine.
Utility model content
The deficiency existing in order to overcome prior art, it is a kind of to the equal good high-barrier PVDC composite hard sheet for plastic ampoule of gas, liquid barrier performance that the utility model provides.
High-barrier PVDC composite hard sheet for a kind of plastic ampoule, described composite hard sheet comprises PVC rete, the first adhesive phase, PVDC rete, the second adhesive phase and the PE rete from bottom to top arranging in turn, bonding by the first adhesive phase between described PVC rete and PVDC rete, bonding by the second adhesive phase between PVDC rete and PE rete.
Preferably, the thickness of described PVC rete is 0.20～0.30mm.
Preferably, the thickness of described PE rete is 0.05～0.10mm.
The utility model is coated on PVC film by the superior PVDC film of barrier property, then carrying out dry type with PE film is composited, improved the barrier property of composite to oxygen, steam, compare barrier property with original PE composite hard sheet and improve 3～5 times, the use amount of packaging material be can reduce, food, expiration date of drug extended.
The utility model adopts PVC film as supporting layer, also can adopt according to actual needs PET, PP etc. as supporting layer.
The utility model has possessed intensity, toughness and the good gas barrier ability of PVC, has had both again the high-strength liquid barrier performance of PE and excellent heat seal effect simultaneously; And the good oxygen barrier of PVDC is moist with resistance; There is long shelf-life, the feature such as safe and reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but protection domain of the present utility model is not limited to this.
With reference to Fig. 1, high-barrier PVDC composite hard sheet for a kind of plastic ampoule, described composite hard sheet comprises PVC rete 1, the first adhesive phase 2, PVDC rete 3, the second adhesive phase 4 and the PE rete 5 from bottom to top arranging in turn, bonding by the first adhesive phase 2 between described PVC rete 1 and PVDC rete 3, bonding by the second adhesive phase 4 between PVDC rete 3 and PE rete 5.
The thickness of described PVC rete is 0.20～0.30mm, and the thickness of described PE rete is 0.05～0.10mm.
General PE composite hard sheet water vapor transmittance is 50～100g. μ m/m
2.24hr, OTR oxygen transmission rate is 150～200ml. μ m/m
2.24hr.bar, the water vapor transmittance of high-barrier PVC/PVDC/PE composite hard sheet can reach 15～30g. μ m/m
2.24hr, OTR oxygen transmission rate is 30～50ml. μ m/m
2.24hr.bar, barrier property has raising very significantly.
The utility model first carries out PVDC and PVC compound, then the PVC/PVDC after compound and PE is carried out compoundly, has effectively combined the rigidity of PVC and hot formability, the high barrier of PVDC, the heat sealability of PE.
Claims (3)
1. high-barrier PVDC composite hard sheet for a plastic ampoule, it is characterized in that: described composite hard sheet comprises PVC rete, the first adhesive phase, PVDC rete, the second adhesive phase and the PE rete from bottom to top arranging in turn, bonding by the first adhesive phase between described PVC rete and PVDC rete, bonding by the second adhesive phase between PVDC rete and PE rete.
2. high-barrier PVDC composite hard sheet for plastic ampoule according to claim 1, is characterized in that: the thickness of described PVC rete is 0.20～0.30mm.
3. high-barrier PVDC composite hard sheet for plastic ampoule according to claim 1, is characterized in that: the thickness of described PE rete is 0.05-0.10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320501681.0U CN203427412U (en) | 2013-08-16 | 2013-08-16 | High-barrier PVDC (Polyvinyl Dichloride) composite sheet for plastic ampoule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320501681.0U CN203427412U (en) | 2013-08-16 | 2013-08-16 | High-barrier PVDC (Polyvinyl Dichloride) composite sheet for plastic ampoule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203427412U true CN203427412U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320501681.0U Expired - Lifetime CN203427412U (en) | 2013-08-16 | 2013-08-16 | High-barrier PVDC (Polyvinyl Dichloride) composite sheet for plastic ampoule |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203427412U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626706A (en) * | 2016-12-20 | 2017-05-10 | 江苏凯威药用包装有限公司 | Production process of hard medicinal PVC/PVDC composite sheet |
| CN113043691A (en) * | 2021-03-15 | 2021-06-29 | 四川汇利实业有限公司 | Oral liquid multilayer composite hard tablet and preparation method thereof |
-
2013
- 2013-08-16 CN CN201320501681.0U patent/CN203427412U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626706A (en) * | 2016-12-20 | 2017-05-10 | 江苏凯威药用包装有限公司 | Production process of hard medicinal PVC/PVDC composite sheet |
| CN113043691A (en) * | 2021-03-15 | 2021-06-29 | 四川汇利实业有限公司 | Oral liquid multilayer composite hard tablet and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |
|
| CX01 | Expiry of patent term |