CN1546316A - Heat-sealed films with functional properties - Google Patents
Heat-sealed films with functional properties Download PDFInfo
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- CN1546316A CN1546316A CNA2003101212199A CN200310121219A CN1546316A CN 1546316 A CN1546316 A CN 1546316A CN A2003101212199 A CNA2003101212199 A CN A2003101212199A CN 200310121219 A CN200310121219 A CN 200310121219A CN 1546316 A CN1546316 A CN 1546316A
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Abstract
The invention relates to a kind of heat-sealing film which transmits the base film coated with a resin film onto pressed film surface, separates base film, and uses resin film to pressure film onto pressed film material. It includes parting base film which can be separated from the pressed film; in order to strengthen the function of base film, it contains the functional film layer of additive resin pressed film on upper layer of the film layer; there has a pressed film joining layer of heat sealability resin of added amino formate resin on upper layer of the film, makes the best position of the pressed film is easy to be cut off. The invention is in order to enhance the mar-proof and press resisting performance, the wax and silicon oil and heat hard accelerator compound are added in; it gives special protection keys, it can add visual or invisible fluorescence paint, or fluorescence dye or light-storage paint; it also can add in special medicament which can find medicine pityriasis, it can add pearl dye agent, conductive material or UV cut-off agent. All above-mentioned materials are singly or in mixing mode.
Description
Technical field
The present invention relates to a kind of heat sealing film, the thin layer that relates in particular to smear on a kind of Ranvier's membrane resin is transferred to by press mold thing surface, is separated Ranvier's membrane, and gives by the heat sealing film of press mold thing press mold with resin film.In more detail, on Ranvier's membrane, coat the thin layer of resin, shifted by the surface of press mold thing, separate Ranvier's membrane, give by the plastic packaging film of press mold thing press mold with resin film to card, file etc.; Just be printed articles such as press mold file, advertising thing, card, or consideration such as weatherability of practical work thing, durability, light resistance is to resist alien enemy's infringement, in films such as these article surface synthetic resin films.
Background technology
Traditional plastic packaging method is with polyethylene (PE), polypropylene (PP), polyvinyl chloride polyolefin series such as (PVC) thermoplastic synthetic resin etc.; the protection content; after being fused by press mold thing two sides, the master portion of prolonging of a certain size content reserves certain distance film is blocked.
Like this, the shortcoming of above-mentioned synthetic resin film is, because of the reason of thickness, outward appearance is coarse, and the consumption of synthetic resin is big, with by surface the being adjacent to property reduction of press mold thing and perk, the thickness flexure of film, not distinct by the file on press mold thing surface or picture etc., after perhaps plastic packaging finishes, certain position is reserved at main position by the press mold thing, need block one by one.
Also have and the used for packing foods film, advertisement is the same with the plastic packaging film, by evaporation of aluminum film or polypropylene PP resin, and polypropylene PP film or polythene PE resin, common processing such as polyester film or polyvinyl resin or ethyl nylon cellulose acetate resin constitutes.
Be important document abundances such as the resistance to water that makes these materials, gasproof permeability, durability, resin involucra self enters hot melt cement layer and uses in extrusion modes such as heat cure (T-die) mode or dried plastic packagings with strong raw material, the film of most of moulding.Raw material possess low micron order thickness, but enhanced physical properties behind the heat-sealable way press mold, can not utilize instruments such as cutting tool to be blocked by press mold thing lap.
Also have, with synthetic resin solution by the press mold thing with method dry behind the roller press mold, the synthetic resin solution that utilizes the method is because organic solvent dissolution synthetic resin, when situations such as literal that is printed by the press mold thing and pictures, printer's ink contact organic solvent, printed article is soaked, and the evaporation of organic solvent harmful problems such as gas takes place takes place.
Korean patent No. 10-1998-2504 press mold method, in order to overcome above problem, polyethylene (PE) dissolves in organic solvent, the paper and the synthetic resin film of the release processing of polyethylene (PE) solution or possess the face of the synthetic resin film of this formation, in the dry run behind press mold, evaporate fully by the organic solvent that makes press mold epithelium on the face, polyethylene (PE) press mold epithelium (film) course of transferring to press mold paper is by the method on press mold thing surface, shortcoming is that the surface heat of plastic packaging is low, water proofing property, the dissolubility resistent deficiency, the surface is shady, and thin layer is perishable, is pressed the engaging force of thing and film little.
In addition, utilizing said method to use under the situation of film, pressed the major part of thing not need to block, the diaphragm that uses has the enough and to spare of 5-10mm degree than each major part of being pressed thing, but the knitting layer of lap must have the facial tissue of joining, make production cost improve, operating process simultaneously is more complicated.
Summary of the invention
The present invention is the film that proposes for the problem points of eliminating above method, and whether no matter comprise and strengthen the additive that function is used, purpose provides the press mold film of functions such as the surperficial scratch-proofness of strengthening press mold, dissolubility resistent, resistance to chemical reagents, resistance to water.
And pressed the press mold face of thing and film not by the boundary part of press mold face, fracture easily, do not need to block in addition, only just can separate film and by the face of pressure thing with Zhang Yinli.
In order to address the above problem, according to a kind of functional heat sealing film of the present invention, it is the press mold film that the press mold thin layer is pressed thing surface branch mode to quilt on diaphragm, in order behind press mold, to separate at an easy rate with being pressed thing, its formation is a Ranvier's membrane, the thin layer of strengthening function in the Ranvier's membrane upper strata that comprises additive, the binder course that the heat sealing resin of carbamate resins is added on the thin layer upper strata can block the press mold body at an easy rate in the optimum position.
Also have, for reaching above-mentioned purpose, according to functional heat sealing film of the present invention, feature is after knitting layer is the polyester and rosin distortion carbolic acid resin and graphite mixing of EVA, add the heat sealability resin or the plain resin of acetic acid nylon fiber of carbamate resins, add tackifier rosin, the heat sealability resin of carbamate resins is added in the reaction back.
Described hot melt knitting layer is strengthened the press mold film and by the engaging force of press mold, the press mold rear surface forms air layer, prevents that the surface is dark and gloomy.
Described knitting layer is the heat sealing resin that adds carbamate resins, the press mold film of 4-10 micron thickness.
Described thin layer is the synthesis that comprises the poly-nylon and the acryloyl acid resin of additive, the graphite synthesis of carbamate and acryloyl acid, or select any, 1-5 micron thickness press mold film in polyester and the acryloyl acid synthesis.
Also have; for reaching above-mentioned purpose; according to functional press mold film of the present invention; for strengthening scratch-proofness and drug resistance; can add the mixture that uses wax or silicone oil and thermmohardening promoter; with in order to give the special protection key element; can add visual or non-visual fluorescent pigment or dyestuff or light-storing paint; can also add the medicaments of finding the medicine discolouration; in addition; pearl pigment system, conductive of material or the independent or mixing of ultraviolet (UV) blocking agent, enhanced protection is by the surperficial function of press mold thing.
The invention has the advantages that, functional heat sealing film of the present invention, no matter film is how thin, for strengthening function, additive package, enhanced protection is by the function of being pressed thing not make it produce defective or be damaged by medicine, moisture, heat, ultraviolet ray etc.Particularly, because thin-film body possesses cementability, several plies use, and give layer and do not protect key element, and firmer defencive function is arranged.
Secondly, is pressed the boundary part of lap of the not press mold of the press mold face of thing and film, can be easy to fracture, do not need to block especially, only just can be separated with quilt pressure object plane with Zhang Yinli.In addition, this film has the flexible film layer, behind the press mold with by the texture equity of press mold body, when the press mold body is paper and film can tear together, to environment-friendly place, general plastic packaging machine can utilize heat sealing film of the present invention, good work.
Following with reference to drawing, press mold film of the present invention is described in detail.
Description of drawings
Accompanying drawing 1 is the sectional view of diagram function intensified property press mold of the present invention with film;
Accompanying drawing 2 is function intensified property press mold of the present invention press mold methods with knitting layer in the film.
The specific embodiment
As shown in Figure 1, be the sectional view of diagram function intensified property press mold of the present invention with film, the thin layer 20 that comprises the resin press mold of the additive package of strengthening function of being pressed the thing surface on Ranvier's membrane 10 and the Ranvier's membrane, the knitting layer 30 of press mold on the property the strengthened thin layer 20.
As shown in Figure 2; be function lover's prattle press mold of the present invention knitting layer 30 press mold methods in the film; contact with thing 40 opposition of being pressed of wanting the press mold protection; with Ranvier's membrane together by behind the press mold machine; being pressed thing 40 to separate with Ranvier's membrane 10; knitting layer 30 and functional film layer 20 disconnect very neatly, give and are pressed the thing press mold.
Ranvier's membrane 10 is formations of surperficial place 1 subfunction film resin, and can use treatable paper (peeling paper) is the high molecular synthetic resin film that the high molecular synthetic resin film maybe can not be handled.At this moment, Ranvier's membrane thickness 11-15 micron.
Functional film layer 20 comprises resin that forms thin layer and the additive of strengthening the function of thin film.The formation that forms the resin of functional film layer must meet the following conditions.
The first, the resin that the present invention uses has been that several additives mix use.Characteristics such as the dissolubility resistent of certain level that resin molding self is basic, resistance to water, water proofing property.In order to solve the original technical shortcoming of pointing out, the deficiency of the hear resistance on press mold surface, water proofing property, dissolubility resistent etc., function intensified according to press mold film of the present invention, additive package mixes and uses.
In order fully to satisfy above item, can use poly-nylon and acryloyl group synthesis, carbamate resins and acryloyl group synthesis or polyester and denaturing acrylamide acyl group synthesis etc.
The second, the resin that the present invention uses is after press mold is over, and functional film layer 20 and knitting layer 30 do not have peel separation, and 2 films require to strengthen bonding affinity with the cement material.For this reason, can use carbamate resins, mylar, nylon resin, acryloyl group resin or its hybrid resin are comprehensively made, comprehensive high molecular resin, melmac or UV enhanced type resin.
The 3rd, functional film layer 20 and knitting layer 30 assembled state, the broken line Z direction of press mold knitting layer and lap, the structure condition that blocks easily.
Like this,, except resin, add additive, the function of being pressed thing press mold surface that reinforcement will be protected according to functional press mold film of the present invention.The reinforced by additive that the present invention uses is for scratch-proofness, drug resistance; can be used alone or as a mixture the mixture of wax or silicone oil and thermmohardening promoter; with the visual or non-visual fluorescent pigment of giving the special protection key element or or dyestuff or light-storing paint; with the special medicinal material of finding the medicine discolouration; in addition; pearl pigment is that conductive of material or UV block agent etc.
Knitting layer 30 forms with heat sealability resin press mold on functional film layer 20, and strengthening function property thin layer 20 and quilt are pressed the engaging force between the body 40, behind the thermal welding press mold, forms the surperficial air layer of being pressed thing, prevents dark and gloomy.
The general heat-sealing hot-melt resin that uses is an ethyl nylon acryloyl group, methyl methacrylate, and low molecular polythene PE, polyester, polypropylene PP etc., heat cure (T-die) extrudes or dry-pressing film method press mold, forms knitting layer.
When the dry-pressing film method is specifically implemented, sticky agent rosin, rosin derivant, or terphenyl synthesis, oil are the water carbon resin, carbonic acid resins etc. mix use.Ethyl nylon acryloyl group resin neoprene (diene) rubber or nitrile contact cement use, and at this moment promote soakage and zygosity.
Particularly, the present invention does not need with cutter or blocks behind press mold, is pressed body to separate easily with Ranvier's membrane, and thin layer blocks easily, beyond the knitting layer heat sealability synthetic resin, and the acryloyl group mixed with resin.Relatively, between the comprehensive chain of macromolecule acryloyl group resin, faint molecule adhesion, reinforcing, pressed the body major part blocks intermolecular adhesion because Z intensity is separated easily, and the directions X bonding strength of knitting layer reduces artificially.
Heating, only with press mold literal or pictures such as goldleaf, similar to the basic principle of punching press silver foil, promptly, punching press silver foil aluminium is steaming face heat sealing resin press mold, the aluminum particulate X that is steaming, and Y direction adhesion significantly reduces, hot melt engages resin heat on literal or pattern and transmits, and only the evaporation of aluminum particle is bonded in and is pressed the thing surface on character pattern.
Like this, synthetic resin is that the X adhesion reduces on the film, and the mixed with resin of the character relative with the heat sealability resin adopts chemical method and the present invention to have suitable technological disparity.
Consider above-mentioned item, the heat sealability resin that forms knitting layer preferably adopts EVA mylar and tackifier mixing rosin modification carbonic acid resin, and the acryloyl group resin bonding is used.
At this moment, acetic acid nylon acryloyl group resin, behind the interpolation tackifier mixing rosin, energy and acryloyl group resin reach effect same.
In addition, the manufacturing process according to functional film of the present invention simply is described below.
Nick version rolling (micro gravure roll) overlay film on Ranvier's membrane, applying rolling (kissing roll) overlay film, comma formula (comma coater) overlay film, counter-rotating (reverseroll) overlay film, film covering methods such as cutter formula overlay film, the thickness press mold of functional film layer 1-5 micron.Consider that 2 knitting layers and functional film layer engage the needs of affinity, gluer (coater) makes the composition of respective strengths, 4-10 micron thickness press mold on thin layer according to rational solvent dilution rate.At this moment, for the face of the uniform thickness of knitting layer, the most handy little comma overlay film (micro comma coater) method.Particularly, for the severing effect behind the press mold, best functional film layer 3-5 micron, knitting layer 5-7 micron.
Following form is a function intensified property press mold of the present invention with the composition of film agent in the film and the composition of the various additives of strengthening function, and forms according to the various concrete additives of film agent below and ratio describes.
| Functional film layer film agent | The additive of strengthening function | The group of knitting layer film agent |
| Composition | Become | |
| Carbamate resins is 85% acryloyl base system 5% | Non-visual type fluorescent pigment (UV blocks agent) | Condensate mylar, rosin are tackifier, carbamate resins |
| Carbamate resins is 10% acryloyl base system 60% | Transparent organic conductibility agent (UV blocks agent) | |
| Poly-nylon resin is 10% acryloyl base system 20% | Solvent discoloration type or thermal change colour pattern colour-changing agent | Sex change polythene PE cellulose acetate resin, carbonic acid is tackifier, carbamate resins |
| Poly-nylon resin is that 10% mylar is 20% | Coloured dyestuff |
In the formulation Example 1, concrete constituent and ratio thereof are: carbamate resins system accounts for 85%, and the acryloyl base system accounts for 5%, the comprehensive graphite of the additive (catalyzer contact agent, curing agent etc.) of trace.Make for the additive package of strengthening function, the zone of 5 micron thickness on the polyester film is coated, form the functional film layer with oil paint.On the dry functional film layer, use the condensate mylar, quantitative rosin tackifier, the thickness that the heat sealability cement that carbamate resins mixes is 7 microns, such press mold are relatively drier.
At this moment, in order to strengthen function, additive is at non-visual fluorescent pigment, transparent organic conductibility agent, solvent discoloration type or thermal change colour pattern colour-changing agent, coloured dyestuff, non-visual fluorescent pigment agent UV blocks the mixture of agent, transparent organic conductibility agent and ultraviolet (UV) block the mixture of agent, select one in the mixture of silicone oil and curing agent.
In the formulation Example 2; concrete constituent and ratio thereof are: carbamate resins system accounts for 10%; the acryloyl base system accounts for 60%; trace mineral supplement (catalyzer contact agent; curing agent etc.) comprehensive graphite; make for the additive package of strengthening function, the zone of 5 micron thickness on the polyester film is coated, form the functional film layer with oil paint.On the dry thin layer, use the condensate mylar, quantitative rosin tackifier, the thickness that the heat sealability cement that carbamate resins mixes is 7 microns, press mold drying.
At this moment, in order to strengthen function, additive is at non-visual fluorescent pigment, transparent organic conductibility agent, solvent discoloration type or thermal change colour pattern colour-changing agent, coloured dyestuff, the mixture of non-visual fluorescent pigment agent ultraviolet (UV) shield agent, the mixture of the shield agent of transparent organic conductibility agent and ultraviolet (UV) selects one in the mixture of silicone oil and curing agent.
In the formulation Example 3; concrete constituent and ratio thereof are: carbamate resins system accounts for 10%; the acryloyl base system accounts for 60%; additive (the catalyzer contact agent of trace; curing agent etc.) comprehensive graphite; make for the additive package of strengthening function, the zone of 5 micron thickness on the polyester film is coated, form the functional film layer with oil paint.On the dry thin layer, with sex change polythene PE cellulose acetate resin, quantitative rosin is tackifier, the thickness that the heat sealability cement that carbamate resins mixes is 7 microns, press mold drying.
At this moment, in order to strengthen function, additive is at non-visual fluorescent pigment, transparent organic conductibility agent, solvent discoloration type or thermal change colour pattern colour-changing agent, coloured dyestuff, the mixture of the blocking agent of non-visual fluorescent pigment agent ultraviolet (UV), the mixture of the blocking agent of transparent organic conductibility agent and ultraviolet (UV) selects one in the mixture of silicone oil and curing agent.
In the formulation Example 4; concrete constituent and ratio thereof are: poly-nylon resin is to account for 10%; the acryloyl base system accounts for 20%; additive (the catalyzer contact agent of trace; curing agent etc.) comprehensive graphite; for the additive package of strengthening function is made, 5 micron thickness on the polyester film are coated formation functional film layer with oil paint.On the dry thin layer, with sex change polythene PE cellulose acetate resin, quantitative carbonic acid is tackifier, the thickness that the heat sealability cement that carbamate resins mixes is 7 microns, press mold drying.
At this moment, in order to strengthen function, additive is at non-visual fluorescent pigment, transparent organic conductibility agent, solvent discoloration type or thermal change colour pattern colour-changing agent, coloured dyestuff, the mixture of the blocking agent of non-visual fluorescent pigment agent ultraviolet (UV), the mixture of the blocking agent of transparent organic conductibility agent and ultraviolet (UV) selects one in the mixture of silicone oil and curing agent.
In the formulation Example 5, concrete constituent and ratio thereof are: poly-nylon resin is to account for 10%, mylar system accounts for 20%, additive (the catalyzer contact agent of trace, curing agent etc.) comprehensive graphite, for the additive package of strengthening function is made, 5 micron thickness on the polyester film are coated formation functional film layer with oil paint.On the dry thin layer, with sex change polythene PE cellulose acetate resin, quantitative carbonic acid is tackifier, the thickness that the heat sealability cement that carbamate resins mixes is 7 microns, press mold drying.
At this moment, in order to strengthen function, additive is at non-visual fluorescent pigment, transparent organic conductibility agent, solvent discoloration type or thermal change colour pattern colour-changing agent, coloured dyestuff, the mixture of the blocking agent of non-visual fluorescent pigment agent ultraviolet (UV), the mixture of the blocking agent of transparent organic conductibility agent and ultraviolet (UV) selects one in the mixture of silicone oil and curing agent.
A kind of functional heat sealing film of the present invention, be not limited in listed utilization in specification and the embodiment, it can be used in various suitable the present invention's field fully, for those skilled in the art, can easily realize additional advantage and make amendment, therefore under the situation of the spirit and scope of the general notion that does not deviate from claim and equivalency range and limited, the examples shown that the present invention is not limited to specific details, representational unit and illustrates here and describe.
Claims (12)
1, a kind of functional heat sealing film is characterized in that, it is characterized in that, comprising: a Ranvier's membrane, and one places thin layer and the knitting layer that places on the thin layer on the basal layer;
Described thin layer is the function intensified property thin layer with the resin press mold that comprises additive;
Described knitting layer is the heat sealing resin knitting layer that adds carbamate resins.
2, a kind of functional heat sealing film as claimed in claim 1, it is characterized in that, after described knitting layer is mylar and rosin distortion carbolic acid resin-bonded graphite, add the heat sealing resin plastic packaging film of carbamate resins, and in being blocked easily by the optimum position of press mold thing.
3, a kind of functional heat sealing film as claimed in claim 1, it is characterized in that, described knitting layer is to add tackifier rosin in the nylon cellulose acetate resin, and the heat sealing resin of carbamate resins is added in the reaction back, makes behind the press mold by the optimum position of press mold thing and blocks easily.
As claim 2 or 3 described a kind of functional heat sealing films, it is characterized in that 4, described knitting layer is the heat sealing resin that adds carbamate resins, the press mold film of 4-10 micron thickness.
5, a kind of functional heat sealing film as claimed in claim 1, it is characterized in that, described thin layer comprises the synthesis of poly-nylon of the additive that is used to strengthen function and acryloyl acid resin, the graphite synthesis of carbamate and acryloyl acid, or select any, 1-5 micron thickness press mold film in polyester and the acryloyl acid synthesis.
6, a kind of functional heat sealing film as claimed in claim 1 is characterized in that, described thin layer comprises and is used to strengthen scratch-proofness and chemical sproof cured or silica is oily and the resin plastic-sealed film of the mixture additive of thermmohardening promoter.
7, a kind of functional heat sealing film as claimed in claim 1 is characterized in that, described thin layer be comprise fluorescent pigment, fluorescent dye or light-storing paint, to give the resin plastic-sealed film of special protection key element.
8, a kind of functional heat sealing film as claimed in claim 1 is characterized in that, described thin layer adds the resin plastic-sealed film that is used to find special medicinal material of medicine discolouration or pearl dyestuff.
9, a kind of functional heat sealing film as claimed in claim 1 is characterized in that, described thin layer adds conductive material to give described functional heat sealing film conductive resin plastic-sealed film.
10, a kind of functional heat sealing film as claimed in claim 1 is characterized in that, described thin layer is the resin plastic-sealed film that adds ultraviolet (UV) blocking agent.
11, a kind of functional heat sealing film as claimed in claim 1 is characterized in that, described thin layer is the film of 3-5 micron thickness, and described knitting layer is the film of 5-7 micron thickness.
12, a kind of functional heat sealing film as claimed in claim 1 is characterized in that, described thin layer is the film of 5 micron thickness, and knitting layer is the film of 7 micron thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101212199A CN1546316A (en) | 2003-12-15 | 2003-12-15 | Heat-sealed films with functional properties |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101212199A CN1546316A (en) | 2003-12-15 | 2003-12-15 | Heat-sealed films with functional properties |
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| CN1546316A true CN1546316A (en) | 2004-11-17 |
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| CNA2003101212199A Pending CN1546316A (en) | 2003-12-15 | 2003-12-15 | Heat-sealed films with functional properties |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108587512A (en) * | 2018-01-31 | 2018-09-28 | 深圳市鑫亚凯立科技有限公司 | A kind of polypropylene release film of high tenacity high stretch |
| CN109294468A (en) * | 2018-09-04 | 2019-02-01 | 东莞泰博世实业投资有限公司 | A kind of one-way viewable advertisement film and preparation method thereof |
| CN114535030A (en) * | 2022-02-25 | 2022-05-27 | 广东广益科技实业有限公司 | Temperature indicating film and preparation method thereof |
-
2003
- 2003-12-15 CN CNA2003101212199A patent/CN1546316A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108587512A (en) * | 2018-01-31 | 2018-09-28 | 深圳市鑫亚凯立科技有限公司 | A kind of polypropylene release film of high tenacity high stretch |
| CN109294468A (en) * | 2018-09-04 | 2019-02-01 | 东莞泰博世实业投资有限公司 | A kind of one-way viewable advertisement film and preparation method thereof |
| CN114535030A (en) * | 2022-02-25 | 2022-05-27 | 广东广益科技实业有限公司 | Temperature indicating film and preparation method thereof |
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