CN201660212U - Aluminium foil sealing film of hot melt adhesive - Google Patents
Aluminium foil sealing film of hot melt adhesive Download PDFInfo
- Publication number
- CN201660212U CN201660212U CN2009202198257U CN200920219825U CN201660212U CN 201660212 U CN201660212 U CN 201660212U CN 2009202198257 U CN2009202198257 U CN 2009202198257U CN 200920219825 U CN200920219825 U CN 200920219825U CN 201660212 U CN201660212 U CN 201660212U
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- layer
- melt adhesive
- hot melt
- aluminium foil
- sealing film
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Abstract
The utility model discloses an aluminium foil sealing film of hot melt adhesive, which comprises a protecting layer, a blocking layer, a base layer and a heat sealing layer in sequence, wherein the blocking layer is an aluminium foil layer; and the base layer is a polyethylene film layer or a casting polypropylene layer. The aluminium foil sealing film has the advantage of providing a new packaging material of a container opening and a manufacturing method thereof; and the packaging material is convenient to seal the opening and is easy to be uncovered.
Description
Technical field
The utility model belongs to the plastic wrapping technical field, is specifically related to a kind of hot melt adhesive aluminum foil sealing film.
Background technology
Normally used article packing jar, its opening part seals with thin iron sheet or aluminium skin, during use, tear or cut off after needing sharp thing with iron sheet or the perforate of aluminium skin, its advantage is that sealing effectiveness is better, but shortcoming also clearly, the unlatching of iron sheet or aluminium skin is difficulty comparatively, and is difficult to remove totally, and the edge of its residue is comparatively sharp, usually when getting thing, hand is scratched, use dangerous, inconvenient.
Patent documentation CN2769187Y discloses a kind of packing jar, it comprise with the ring cowling of tank body suit and with the inner cap of ring cowling suit, on ring cowling, be provided with recessed tire, the sealing aluminium foil with ring cowling glue envelope is arranged above concave station.This glue envelope aluminium foil easily draws back, and removes easily totally, and it is comparatively convenient to use.Specifically mention in the document, the sealing aluminium foil be by the food stage glue bond on ring cowling.The defective of this structure is, adopts simple sealing aluminium foil as sealing layer, and its intensity is lower, and is damaged easily.
The utility model content
The purpose of this utility model provides a kind of hot melt adhesive aluminum foil sealing film of sealing and being easy to open be convenient to.
The technical scheme that realizes the utility model purpose is: a kind of hot melt adhesive aluminum foil sealing film comprises protective cover, barrier layer, basic unit and hot sealing layer successively; Described barrier layer is an aluminium foil layer; Described basic unit is polyethylene film layer or casting polypropylene film layer.
In the technique scheme, described protective cover is gloss oil layer or polyethylene terephthalate film layer.
In the technique scheme, be provided with printed layers between described protective cover and the described aluminium foil layer.
In the technique scheme, described hot sealing layer is the baking zone of ethylene vinyl acetate copolymer hot melt adhesive or ethylene acrylic acid co polymer hot melt adhesive.
EVA is an ethylene vinyl acetate copolymer, and it is by ethene (E) and vinyl acetate (VA) copolymerization and make, and English name is: Ethylene Vinyl Acetate, abbreviate EVA as, or E/VAC.Polymerization high pressure polymerisation in bulk (plastics are used), solution polymerization (PVC processing aid), emulsion polymerization (adhesives), suspension polymerization.Vinyl acetate (VA) content is higher than 30% employing emulsion polymerization, vinyl acetate content be lower than 30% just use the high pressure polymerisation in bulk.
Ethylene acrylic acid co polymer (Ethylene Acrylic Acid is called for short EAA) is a kind of poly-mer with themoplasticity and high gleyness, because the existence of carboxyl group and the effect of hydrogen bond, the crystallization of poly-mer is suppressed, main chain linear destroyed, therefore improve the transparency and the toughness of EAA, reduced fusing point and softening point.
The good effect that the utlity model has:
(1) in the utility model product, by polyethylene film layer or casting polypropylene film layer as basic unit, effectively improved integral intensity and fastness, durable and barrier property is better.
(2) in the utility model product, by the baking zone of ethylene vinyl acetate copolymer hot melt adhesive or ethylene acrylic acid co polymer hot melt adhesive as hot sealing layer, replaced traditional gluing mode of food stage glue of utilizing with the heat-sealing involution, health comparatively, nontoxic, the accident that toxic substance in the residual glue enters into food more can not take place.
(3) in the utility model product, by the baking zone of ethylene vinyl acetate copolymer hot melt adhesive or ethylene acrylic acid co polymer hot melt adhesive as hot sealing layer, except having heat-seal bond intensity preferably, also with polyethylene, polypropylene, polystyrene with the packing jar of tin-plate material.Materials such as polyvinylchloride, polyethylene terephthalate, glass all have heat-seal bond intensity preferably, are that a kind of purposes is very extensive, the very huge new product of market outlook.
Description of drawings
Fig. 1 is the structural representation of first kind of structure of the utility model.
Be labeled as shown in the accompanying drawing: protective cover 1, barrier layer 2, basic unit 3, hot sealing layer 4, printed layers 5, adhesive layer 6.
The specific embodiment
(embodiment 1, hot melt adhesive aluminum foil sealing film)
Fig. 1 is a kind of structural representation of the present utility model, has shown first kind of specific embodiment of the present utility model.
Present embodiment is a kind of hot melt adhesive aluminum foil sealing film; see Fig. 1, comprise successively gloss oil layer as protective cover 1, as the printed layers 5 of explanatory note, as barrier layer 2 aluminium foil layer, adhesive layer 6, as the polyethylene film layer of basic unit 3 with as the baking zone of the ethylene vinyl acetate copolymer hot melt adhesive of hot sealing layer 4.
(embodiment 2, hot melt adhesive aluminum foil sealing film)
Present embodiment is a kind of hot melt adhesive aluminum foil sealing film, comprise successively gloss oil layer as protective cover 1, as the printed layers 5 of explanatory note, as barrier layer 2 aluminium foil layer, adhesive layer 6, as the casting polypropylene film layer of basic unit 3 with as the baking zone of the ethylene vinyl acetate copolymer hot melt adhesive of hot sealing layer 4.
(embodiment 3, hot melt adhesive aluminum foil sealing film)
Present embodiment is a kind of hot melt adhesive aluminum foil sealing film, comprise successively polyethylene terephthalate film layer as protective cover 1, as the printed layers 5 of explanatory note, as barrier layer 2 aluminium foil layer, adhesive layer 6, as the polyethylene film layer of basic unit 3 with as the baking zone of the ethylene acrylic acid co polymer hot melt adhesive of hot sealing layer 4.
(embodiment 4, hot melt adhesive aluminum foil sealing film)
Present embodiment is a kind of hot melt adhesive aluminum foil sealing film, comprise successively polyethylene terephthalate film layer as protective cover 1, as the printed layers 5 of explanatory note, as barrier layer 2 aluminium foil layer, adhesive layer 6, as the casting polypropylene film layer of basic unit 3 with as the baking zone of the ethylene acrylic acid co polymer hot melt adhesive of hot sealing layer 4.
(manufacture method of Production Example 1, hot melt adhesive aluminum foil sealing film)
This Production Example is the manufacture method of the foregoing description 1 described hot melt adhesive aluminum foil sealing film; Specifically may further comprise the steps:
1. make the base film:
When protective cover 1 was the gloss oil layer, at first printing formed a text printout layer 5 on a side surface of aluminium foil layer, applies gloss oil then on printed layers 5, and the oven dry back forms a gloss oil layer; On the opposite side surface of aluminium foil layer, apply liquid adhesive then,, thereby on the one side of aluminium foil layer, form adhesive layer 6 then with drying adhesive; Aluminium foil with adhesive layer 6 and ready polyethylene film layer hot pressing are combined with each other, thereby obtain the base film;
2. slaking is carried out the heat preserving type maturation process to the base film; During slaking curing temperature is controlled at 45 ± 2 ℃, the curing time is 36 hours;
3. apply liquid hot melt adhesive on the outside face of basic unit 3, described hot melt adhesive is the ethylene vinyl acetate copolymer hot melt adhesive, and the cooling back forms hot melt adhesive layer, thereby obtains the hot melt adhesive aluminum foil sealing film half-blank.In this step, when described hot melt adhesive layer applied liquid hot melt adhesive on the outside face of basic unit 3, its processing temperature was controlled at 140 ± 2 ℃.Specifically be that control glue spreader nozzle temperature is 140 ± 2 ℃, glue spreader rolling surface temperature also is 140 ± 2 ℃.
(manufacture method of Production Example 2, hot melt adhesive aluminum foil sealing film)
This Production Example is the manufacture method of the foregoing description 2 described hot melt adhesive aluminum foil sealing films; Basic identical with Production Example 2, difference is: step 1. in, select for use casting polypropylene film layer as basic unit 3; Step 2. in, during slaking curing temperature is controlled at 42 ± 2 ℃, the curing time is 24 hours; Step 3. in, when described hot melt adhesive layer applied liquid hot melt adhesive on the outside face of basic unit 3, its processing temperature was controlled at 132 ± 2 ℃.Specifically be that control glue spreader nozzle temperature is 132 ± 2 ℃, glue spreader rolling surface temperature also is 132 ± 2 ℃.
(manufacture method of Production Example 3, hot melt adhesive aluminum foil sealing film)
This Production Example is the manufacture method of the foregoing description 3 described hot melt adhesive aluminum foil sealing films; May further comprise the steps: 1. make the base film: at first printing forms a printed layers (5) on the inside face of polyethylene terephthalate film layer; On the both side surface of aluminium foil layer, apply liquid adhesive then, treat the glue natural cooling then, thereby on the both side surface of aluminium foil layer, form adhesive layer (6); Aluminium foil with adhesive layer (6), polyethylene terephthalate film layer and polyethylene film layer (3) hot pressing are combined with each other, make the both sides of the described aluminium foil layer of polyethylene terephthalate film layer and polyethylene film layer (3) separation, thereby obtain the base film;
2. slaking is carried out the heat preserving type maturation process to the base film; During slaking curing temperature is controlled at 48 ± 2 ℃, the curing time is 36 hours;
3. apply liquid hot melt adhesive on the outside face of basic unit 3, described hot melt adhesive is the ethylene acrylic acid co polymer hot melt adhesive, and the cooling back forms hot melt adhesive layer, thereby obtains the hot melt adhesive aluminum foil sealing film half-blank.In this step, when described hot melt adhesive layer applied liquid hot melt adhesive on the outside face of basic unit 3, its processing temperature was controlled at 148 ± 2 ℃.Specifically be that control glue spreader nozzle temperature is 148 ± 2 ℃, glue spreader rolling surface temperature also is 148 ± 2 ℃.
(manufacture method of Production Example 4, hot melt adhesive aluminum foil sealing film)
This Production Example is the manufacture method of the foregoing description 4 described hot melt adhesive aluminum foil sealing films; Basic identical with Production Example 3, difference is: step 1. in, select for use casting polypropylene film layer as basic unit 3, select for use the ethylene vinyl acetate copolymer hot melt adhesive as hot sealing layer 4.
The foregoing description 1 to embodiment 4 described hot melt adhesive aluminum foil sealing film is detected, its heat-sealing temperature scope is 120 degrees centigrade to 200 degrees centigrade, heat seal strength is more than or equal to 7N/15mm, has well easily taking off property, and after untiing, and no solvent residue between the bottleneck has wholesomeness well.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that connotation of the present utility model extends out and still belong to protection domain of the present utility model.
Claims (4)
1. a hot melt adhesive aluminum foil sealing film is characterized in that: comprise protective cover (1), barrier layer (2), basic unit (3) and hot sealing layer (4) successively; Described barrier layer (2) is an aluminium foil layer; Described basic unit (3) is polyethylene film layer or casting polypropylene film layer.
2. hot melt adhesive aluminum foil sealing film according to claim 1 is characterized in that: described protective cover (1) is gloss oil layer or polyethylene terephthalate film layer.
3. hot melt adhesive aluminum foil sealing film according to claim 2 is characterized in that: be provided with printed layers (5) between described protective cover (1) and the described aluminium foil layer.
4. hot melt adhesive aluminum foil sealing film according to claim 1 is characterized in that: described hot sealing layer (4) is the baking zone of ethylene vinyl acetate copolymer hot melt adhesive or ethylene acrylic acid co polymer hot melt adhesive.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009202198257U CN201660212U (en) | 2009-10-21 | 2009-10-21 | Aluminium foil sealing film of hot melt adhesive |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009202198257U CN201660212U (en) | 2009-10-21 | 2009-10-21 | Aluminium foil sealing film of hot melt adhesive |
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CN201660212U true CN201660212U (en) | 2010-12-01 |
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CN2009202198257U Expired - Lifetime CN201660212U (en) | 2009-10-21 | 2009-10-21 | Aluminium foil sealing film of hot melt adhesive |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104029438A (en) * | 2014-06-04 | 2014-09-10 | 温州市嘉丽隆包装有限公司 | Food packaging film |
CN104140769A (en) * | 2014-08-06 | 2014-11-12 | 苏州卓越工程塑料有限公司 | Hot melt adhesive for bubble cap packaging |
CN105059707A (en) * | 2015-06-30 | 2015-11-18 | 浙江金石包装有限公司 | Aluminium foil sealing film and preparation method thereof |
CN107150473A (en) * | 2017-06-13 | 2017-09-12 | 浙江金石包装有限公司 | Ceramic vessel sealed membrane and its manufacture method |
-
2009
- 2009-10-21 CN CN2009202198257U patent/CN201660212U/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104029438A (en) * | 2014-06-04 | 2014-09-10 | 温州市嘉丽隆包装有限公司 | Food packaging film |
CN104029438B (en) * | 2014-06-04 | 2016-01-20 | 温州市嘉丽隆包装有限公司 | A kind of food package film |
CN104140769A (en) * | 2014-08-06 | 2014-11-12 | 苏州卓越工程塑料有限公司 | Hot melt adhesive for bubble cap packaging |
CN104140769B (en) * | 2014-08-06 | 2016-05-11 | 苏州卓越工程塑料有限公司 | A kind of blister package PUR |
CN105059707A (en) * | 2015-06-30 | 2015-11-18 | 浙江金石包装有限公司 | Aluminium foil sealing film and preparation method thereof |
CN105059707B (en) * | 2015-06-30 | 2017-11-14 | 浙江金石包装有限公司 | A kind of aluminum foil sealing film and preparation method thereof |
CN107150473A (en) * | 2017-06-13 | 2017-09-12 | 浙江金石包装有限公司 | Ceramic vessel sealed membrane and its manufacture method |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20101201 |