CN209409534U

CN209409534U - A kind of puncture-resistant medical packaging bag composite membrane

Info

Publication number: CN209409534U
Application number: CN201822119808.8U
Authority: CN
Inventors: 瞿忠忠
Original assignee: Zhejiang Tiancheng Medical Packing Co Ltd
Current assignee: Zhejiang Tiancheng Medical Packing Co Ltd
Priority date: 2018-12-18
Filing date: 2018-12-18
Publication date: 2019-09-20
Anticipated expiration: 2028-12-18

Abstract

The utility model discloses a kind of puncture-resistant medical packaging bag composite membranes, it is related to composite membrane technology field, its key points of the technical solution are that: including sequentially connected damp-proof layer, SHDPE layers from inside to outside, aluminium foil layer, BOPA layers, polyolefin elastomer composite film and PET film layer, pass through adhesive layer composite joint between adjacent layer；With the requirement for meeting flexibility and rigidity simultaneously, the effect of its combined strength bination, leakproofness and shock resistance is improved.

Description

A kind of puncture-resistant medical packaging bag composite membrane

Technical field

The utility model relates to composite membrane technology fields, more specifically, it relates to which a kind of puncture-resistant medical packaging bag is multiple Close film.

Background technique

In packaging field, film is had a wide range of applications, with the development of science and technology, single film can no longer meet life Production and living needs, therefore occur more and more laminated films on the market, and laminated film is in drug packing field application It is fairly common；And the quality for packing contact material will directly influence the safety of food and drug, wherein packaging connects The peel strength for touching material is then to influence the more crucial index of flexible packing material quality, thus flexible packing material production enterprise Industry is also required to solve the skill encountered in food and medicine manufacturing enterprise actual production process according to relevant laws and regulations, national standard Art problem controls packing cost, less rejection rate.

Food, medical flexible package are mostly polyolefin film with composite film heat sealing contact material, and polyolefin has nontoxic, nothing Smelly tasteless, good chemical stability, wholesomeness meet the requirement of food, Key works Drug packing；Due to food, pharmaceutical production Enterprise requirements packaging material can be stablized in process of production, quickly production is packed, and avoid occurring in transport, handling and storage process Layering, damage, bale broken are to influence food and medicine quality；And traditional composite film heat sealing is mostly polyethylene film, but its object Reason mechanical performance is single, can not meet the requirement of flexibility and rigidity simultaneously, therefore exploitation is suitable as food medicine flexible package The packaging bag of the excellent combination property of contact material is very necessary.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of puncture-resistant medical packaging bags to answer Film is closed, has the effect of improving its combined strength bination, leakproofness and shock resistance.

To achieve the above object, the utility model provides following technical solution:

A kind of puncture-resistant medical packaging bag composite membrane, including sequentially connected damp-proof layer, SHDPE layers, aluminium foil from inside to outside Layer, BOPA film layer, polyolefin elastomer composite film and PET film layer pass through adhesive layer composite joint between adjacent layer.

So set, damp-proof layer directly and drug contact, makes the not variable tide of drug in its medical packaging bag, and guarantee packet The stability of pack；SHDPE layers there is toughening to increase just effect, and the unit impact breakage quality of film, tensile strength, tearing are strong Degree is improved compared with pure HDPE film, and especially unit impact breakage quality and tearing strength enhance；Meanwhile aluminium foil layer has It is soft, ductility is good, any suffering being detrimental to health can be directly contacted without with drug, as composite membrane Intermediate improves the packaging safety and stability performance of composite membrane；BOPA film layer has excellent mechanical property, wearability and corrosion-resistant Property, also there is good oxygen-barrier property, puncture-resistant and resistance to tearing；Polyolefin elastomer composite film has density small, curved Qu great, low-temperature impact resistance height, easy processing, it is reusable the features such as；The good mechanical performance of PET film layer, it is tough Property be it is best in all thermoplastics, tensile strength and impact strength are more much higher than general film, and very power is good, size Stablize, also with excellent heat-resisting, cold resistance and good chemical resistance and oil resistivity；It is successively multiple by above-mentioned layer structure After conjunction, make with good stability between its adjacent layer, while its medical packaging bag composite membrane integrally has being folded without breaking intensity It does, the effect that impact strength is big, frictional strength is high, bending strength is high and stability is good.

Further setting: described SHDPE layers calcium carbonate layer, linear low density polyethylene including successively compoiste adhering are compound Layer and HDPE matrix resin layers, the calcium carbonate layer are connect with damp-proof layer, and the HDPE matrix resin layers are connect with aluminium foil layer.

So set, the rigid particles CaCO of appropriate dosage₃It is added in HDPE, there is toughening to increase just effect, film Unit impact breakage quality, tensile strength, tearing strength are improved compared with pure HDPE film, especially unit impact breakage matter Amount and the raising in tearing strength；Form complete, fine and close in HDPE/LLDPE blend film, and the shish-kebab of distribution of orientations is mutual Lock construction increases the axial direction of composite membrane with radially resistance to mastication forces, and the unit impact breakage quality of film, is broken at tensile strength Elongation, light transmission and other comprehensive performances is split to improve compared with pure HDPE film.

Further setting: the thickness of the calcium carbonate layer, linear low density polyethylene composite layer and HDPE matrix resin layers Degree is than being 1:2:1.

So set, there is certain thickness after a variety of layers of bonding, keep the thickness of each layer moderate by above-mentioned setting, in not shadow Guarantee SHDPE layers of stability in use under the premise of ringing use and effect, and the layer structural strength formed is good.

Further setting: it is provided in the separate one end being connect with polyolefin elastomer composite film of the PET film layer Printed layer.

So set, by being provided with stamp line between PET film layer and polyolefin elastomer composite film, convenient for pair Medical packaging bag carries out the effect of printing identification explanation, improves the service performance of medical packaging bag composite membrane.

Further setting: one end that PET film layer connects is provided with waterproofing membrane protective layer in printed layer.

So set, by waterproofing membrane protective layer convenient for printed layer is effectively protected, while playing waterproof Purpose avoids its scratch, improves the product stability of medical packaging bag composite membrane.

Further setting: the PET film layer is wire drawing metal film.

So set, metal surface is made to generate a kind of skin membrane containing the metal component, clearly show each it is subtle Sleek, to make to glow fine and closely woven hair gloss in PET film layer, corrosion resistance is strong, and product is made to have both fashion and beauty.

Further setting: the adhesive layer is acrylate glue adhesion coating, methacrylic acid adhesive layer, acrylate gluing Layer, epoxy resin adhesive layer, polyurethane composite gel adhesion coating, methacrylate adhesive layer, organosilicon-modified acrylate gluing Layer in any one.

So set, above-mentioned adhesive layer all has the stability after good viscosity and bonding, adjacent layer is improved Between stable connection performance.

Further setting: the thickness of the damp-proof layer and PET film layer is 12 μm.

Further setting: the thickness of SHDPE layers described, BOPA layers and polyolefin elastomer composite film is 50 μm.

Further setting: the aluminium foil layer with a thickness of 15 μm

So set, since the bag of resistance to medical packaging composite membrane is by having certain thickness after a variety of layers of bonding, by above-mentioned Being arranged keeps the thickness of each layer moderate, guarantees the puncture-resistant medical packaging bag composite membrane under the premise of not influencing to use and effect It uses, and the layer structural strength formed is good, improves the tensile strength and stability of its puncture-resistant medical packaging bag composite membrane Purpose.

By using above-mentioned technical proposal, the utility model is compared compared with the prior art, is had the advantage that

1, by above-mentioned layer structure it is successively compound after, make with good stability between its adjacent layer, while its medicine Integrally there is packaging bag composite membrane being folded without breaking intensity to do, impact strength is big, frictional strength is high, bending strength is high and stability is good Effect；

2, by being provided with stamp line between PET film layer and polyolefin elastomer composite film, convenient for being wrapped to medicine Pack carries out the effect of printing identification explanation, improves the service performance of medical packaging bag composite membrane.

Detailed description of the invention

Fig. 1 is the cross-sectional view of puncture-resistant medical packaging bag composite membrane.

In figure: 1, damp-proof layer；2, SHDPE layers；3, aluminium foil layer；4, BOPA film layer；5, polyolefin elastomer composite film；6, PET film layer；7, printed layer；8, waterproofing membrane protective layer.

Specific embodiment

A kind of puncture-resistant medical packaging bag composite membrane is described further referring to attached drawing.

A kind of puncture-resistant medical packaging bag composite membrane, as shown in Figure 1, include from inside to outside sequentially connected damp-proof layer 1, SHDPE layer 2, aluminium foil layer 3, BOPA film layer 4, polyolefin elastomer composite film 5, PET film layer 6, printed layer 7 and waterproof are thin Film protective layer 8, and pass through adhesive layer composite joint between adjacent layer.

Wherein, damp-proof layer 1 is polyethylene layer or polyvinyl chloride layer, and with a thickness of 12 μm；Damp-proof layer 1 has moisture resistance, Penetrability is small, when with drug contact, prevents hydrone from entering among composite membrane the heat insulation property for influencing composite membrane, makes The not variable tide of drug in its medical packaging bag, and guarantee the stability of packaging bag.

SHDPE layer 2 is by the calcium carbonate layer of successively compoiste adhering, linear low density polyethylene composite layer and HDPE matrix tree Rouge layer forms, and the thickness ratio of calcium carbonate layer, linear low density polyethylene composite layer and HDPE matrix resin layers is 1:2:1, and The overall thickness of SHDPE layer 2 is 50 μm；Calcium carbonate layer is connect with damp-proof layer 1, and HDPE matrix resin layers are connect with aluminium foil layer 3； There is SHDPE layer 2 toughening to increase just effect, and the unit impact breakage quality of film, tensile strength, tearing strength are compared with pure HDPE Film is improved, and especially unit impact breakage quality and tearing strength enhance.

Aluminium foil layer 3 is arranged in the middle position of medical packaging bag composite membrane, and thickness is 15 μm；With it is soft, Ductility is good, and any suffering being detrimental to health can be directly contacted without with drug, and placing it in intermediate one layer can Its oxidation is prevented, the packaging safety and stability performance of composite membrane is improved.

BOPA film layer 4 is equally arranged in the middle position of medical packaging bag composite membrane, and thickness is 50 μm；With excellent Mechanical property, wearability and corrosion resistance, have self-lubrication, high temperature resistant；With good oxygen-barrier property, puncture-resistant and Resistance to tearing improves the packaging structure intensity of composite membrane.

Polyolefin elastomer composite film 5 is equally arranged in the middle position of medical packaging bag composite membrane, and thickness is 50μm；Have the characteristics that density is small, is bent big, low-temperature impact resistance height, easy processing, is reusable, further increases multiple Close the puncture resistance of film.

PET film layer 6 is wire drawing metal film, and with a thickness of 15 μm, have good, glossy, the heat-resisting transparency, cold resistance, Chemical resistance and oil resistivity have good air-tightness, fragrance protectiveness and moisture resistance；Its obdurability is all thermoplastics In it is best, tensile strength and impact strength are excellent, by being set to medical packaging bag composite membrane outer end, improve medical packaging The bag overall tensile strength of composite membrane and excellent in cushion effect.

Adhesive layer is acrylate glue adhesion coating, methacrylic acid adhesive layer, acrylate adhesive layer, epoxy resin gluing Any one in layer, polyurethane composite gel adhesion coating, methacrylate adhesive layer, organosilicon-modified acrylate adhesive layer.

The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims

1. a kind of puncture-resistant medical packaging bag composite membrane, it is characterised in that: including sequentially connected damp-proof layer (1) from inside to outside, SHDPE layers (2), aluminium foil layer (3), BOPA film layer (4), polyolefin elastomer composite film (5) and PET film layer (6) are adjacent Pass through adhesive layer composite joint between layer.

2. a kind of puncture-resistant medical packaging bag composite membrane according to claim 1, it is characterised in that: SHDPE layers described (2) Calcium carbonate layer, linear low density polyethylene composite layer and HDPE matrix resin layers including successively compoiste adhering, the carbonic acid Calcium layer is connect with damp-proof layer, and the HDPE matrix resin layers are connect with aluminium foil layer.

3. a kind of puncture-resistant medical packaging bag composite membrane according to claim 2, it is characterised in that: the calcium carbonate layer, Linear low density polyethylene composite layer and the thickness of HDPE matrix resin layers ratio are 1:2:1.

4. a kind of puncture-resistant medical packaging bag composite membrane according to claim 1, it is characterised in that: in the PET film Layer (6) separate one end connecting with polyolefin elastomer composite film (5) is provided with printed layer (7).

5. a kind of puncture-resistant medical packaging bag composite membrane according to claim 4, it is characterised in that: in the printed layer (7) separate one end connecting with PET film layer (6) is provided with waterproofing membrane protective layer (8).

6. a kind of puncture-resistant medical packaging bag composite membrane according to claim 1, it is characterised in that: the PET film layer It (6) is wire drawing metal film.

7. a kind of puncture-resistant medical packaging bag composite membrane according to claim 1, it is characterised in that: the adhesive layer is Acrylate glue adhesion coating, methacrylic acid adhesive layer, acrylate adhesive layer, epoxy resin adhesive layer, polyurethane composite gel adhesion coating, Any one in methacrylate adhesive layer, organosilicon-modified acrylate adhesive layer.

8. a kind of puncture-resistant medical packaging bag composite membrane according to claim 1, it is characterised in that: the damp-proof layer (1) And the thickness of PET film layer (6) is 12 μm.

9. a kind of puncture-resistant medical packaging bag composite membrane according to claim 1, it is characterised in that: SHDPE layers described (2), the thickness of BOPA film layer (4) and polyolefin elastomer composite film (5) is 50 μm.

10. a kind of puncture-resistant medical packaging bag composite membrane according to claim 1, it is characterised in that: the aluminium foil layer (3) With a thickness of 15 μm.