CN103129832B - Moisture-retarding, oxygen-blocking and flavor-retaining packaging film with anti-fog function - Google Patents
Moisture-retarding, oxygen-blocking and flavor-retaining packaging film with anti-fog function Download PDFInfo
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- CN103129832B CN103129832B CN201310057937.8A CN201310057937A CN103129832B CN 103129832 B CN103129832 B CN 103129832B CN 201310057937 A CN201310057937 A CN 201310057937A CN 103129832 B CN103129832 B CN 103129832B
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- 239000012785 packaging film Substances 0.000 title abstract description 7
- 229920006280 packaging film Polymers 0.000 title abstract description 7
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- 239000011347 resin Substances 0.000 claims abstract description 106
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 93
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- 150000001875 compounds Chemical class 0.000 claims description 80
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 36
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- 238000007254 oxidation reaction Methods 0.000 claims description 30
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- 125000002947 alkylene group Chemical group 0.000 claims description 14
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 14
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 claims description 13
- 239000004702 low-density polyethylene Substances 0.000 claims description 13
- 229920001684 low density polyethylene Polymers 0.000 claims description 12
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 11
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 10
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 7
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 4
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical group CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 3
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 2
- 150000008064 anhydrides Chemical group 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 150000007942 carboxylates Chemical class 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 230000004888 barrier function Effects 0.000 abstract description 8
- 235000013372 meat Nutrition 0.000 abstract description 7
- 235000013305 food Nutrition 0.000 abstract description 5
- 239000010410 layer Substances 0.000 abstract 11
- 238000000071 blow moulding Methods 0.000 abstract 4
- 239000012790 adhesive layer Substances 0.000 abstract 2
- 239000002981 blocking agent Substances 0.000 abstract 1
- 229920000573 polyethylene Polymers 0.000 description 75
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 36
- 238000010586 diagram Methods 0.000 description 16
- 239000003205 fragrance Substances 0.000 description 16
- 239000004952 Polyamide Substances 0.000 description 14
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- GHUXAYLZEGLXDA-UHFFFAOYSA-N 8-azido-5-ethyl-6-phenylphenanthridin-5-ium-3-amine;bromide Chemical compound [Br-].C12=CC(N=[N+]=[N-])=CC=C2C2=CC=C(N)C=C2[N+](CC)=C1C1=CC=CC=C1 GHUXAYLZEGLXDA-UHFFFAOYSA-N 0.000 description 4
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- 238000012360 testing method Methods 0.000 description 4
- SJIXRGNQPBQWMK-UHFFFAOYSA-N 2-(diethylamino)ethyl 2-methylprop-2-enoate Chemical compound CCN(CC)CCOC(=O)C(C)=C SJIXRGNQPBQWMK-UHFFFAOYSA-N 0.000 description 3
- JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 description 3
- DPBJAVGHACCNRL-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate Chemical compound CN(C)CCOC(=O)C=C DPBJAVGHACCNRL-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
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- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 1
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- GYDSPAVLTMAXHT-UHFFFAOYSA-N pentyl 2-methylprop-2-enoate Chemical compound CCCCCOC(=O)C(C)=C GYDSPAVLTMAXHT-UHFFFAOYSA-N 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
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Landscapes
- Laminated Bodies (AREA)
Abstract
The invention discloses a moisture-retarding, oxygen-blocking and flavor-retaining packaging film with an anti-fog function. The moisture-retarding, oxygen-blocking and flavor-retaining packaging film comprises a coextrusion blow molding film; the coextrusion blow molding film comprises at least two moisture-retarding layers, at least one oxygen-blocking layer and adhesive layers, the oxygen-blocking layers are sandwiched among the moisture-retarding layers, and the oxygen-blocking layers and the moisture-retarding layers which are adjacent to one another are adhered with one another by the adhesive layers; each oxygen-blocking layer comprises at least one EVOH (ethylene-vinyl alcohol copolymer) resin layer; and the moisture-retarding layer on the surface of one side of the coextrusion blow molding film is an anti-blocking, anti-fog and moisture-retarding layer, and anti-fog agents, slipping agents and anti-blocking agents are added into the anti-blocking, anti-fog and moisture-retarding layer. The film further can comprise an outer base material film which is compounded with the surface of the other side of the coextrusion blow molding film by means of hot pressing. The packaging film is excellent in anti-fog property, barrier property and curling resistance, high in identification degree and low in cost, and can be used for packing food such as frozen meet and chilled fresh meat.
Description
Technical field
The present invention relates to a kind of packaging film, be specifically related to a kind of resistance dampness oxygen guarantor sachet with anti-fog function and fill thin, belong to flexible packaging film technical field.
Background technology
In recent years, along with the raising of living standards of the people, people it is also proposed more and more higher requirement to packaging for foodstuff quality.In the food product packing film of functionalization increasingly, high-barrier plastic film is one of function film with fastest developing speed at present.High-barrier packing film can realize the function of moisture-barrier and oxygen, avoids the infiltrations such as pollutants, aqueous vapor and oxygen, also prevents packed article from oozing out simultaneously; High barrier generally refer to 23 DEG C, under the reference standard conditions of 65% relative humidity, the transit dose <5ml/m of oxygen
2day, the transit dose <2g/m of aqueous vapor
2day.By selecting special barrier layer resin material, high-barrier packing film even also can realize the function intercepting fragrance, avoids the small-molecule substances such as smell and infiltrates and ooze out.
High-barrier packing film is used for the field of food such as chilled meat, cold fresh meat, it can keep the moisture in its food, prevent microbial growth, inhibitory enzyme is movable and prevent the effect of oxidation deterioration of fat and protein, thus plays the effect extending the packed article shelf-life.But chilled meat and cold fresh meat are generally stored in refrigerator-freezer and antistaling cabinet, the reason selected because of refrigerating plant operator or client or because other factors impact and produce the cold and hot temperature difference time, the surface of packing film easily forms fog; Especially be gathered in the water smoke of the one side of packing film being pressed close to packed article once formation is difficult to removing, cause follow-up employee or client to be difficult to see inner product situation through packaging film again.
Commercially available most antifog films, by arranging one or more layers anti-fog layer at film surface, although can reflect well anti-fog properties after the 24h of difference variation, the short time after difference variation, fog effect as anti-in its in 0 ~ 24h was unsatisfactory.In addition, in patent documentation in the barrier package film with anti-fog function announced, as the Chinese patent literature of grant number CN202283804U, the iris action many of discussion relates to the moist and oxygen barrier of resistance, and the obstruct for packed article fragrance relates to less.In addition, conventional antifog film surface lacks printed layers, can only by the mark that could realize packed article of labelling outward.
Therefore, one has outstanding anti-fog properties, and the exploitation of the barrier package film that the particularly outstanding initial stage is anti-fog properties is a technical matters urgently to be resolved hurrily.
Summary of the invention
The object of the invention is to overcome the defect existed in prior art, design a kind of resistance dampness oxygen with anti-fog function and protect fragrant packing film, its have simultaneously anti-fog properties, hinder moist, oxygen barrier and fragrance retention, and in anti-fog properties, its antifog excellent effect in 0 ~ 24h.
For achieving the above object, the technical solution used in the present invention is:
A kind of resistance dampness oxygen with anti-fog function protects fragrant packing film, described film comprises coextrusion blow film, coextrusion blow film by least two-layer resistance wet layer, be sandwiched in resistance wet layer between at least one deck oxidation prevention layer and for bond adjacent oxidation prevention layer and resistance wet layer tack coat C form; At least one deck ethylene-vinyl alcohol copolymer (EVOH) resin bed B* is comprised in oxidation prevention layer; And the resistance wet layer of a side surface of the coextrusion blow film anti-fogbound wet layer A** that is anti-stick company, be added with antidim compound, slipping agent and antiblocking agent in it.
Preferably, described tack coat C is modified poly ethylene (PE) resin bed containing anhydride functional group; Described resistance wet layer is PE resin bed.
Preferably, the PE in described resistance wet layer is a kind of in metallocene Low Density Polyethylene (MLDPE), linear low density polyethylene (LLDPE) and Low Density Polyethylene (LDPE) or its combination in any.
Preferably, in the anti-fogbound wet layer A** of described anti-stick company, every 100 parts of PE resins are added with 0.2 ~ 3 part of antidim compound, 0.05 ~ 1 part of slipping agent and 0.05 ~ 1 part of antiblocking agent.
Preferably, described antidim compound is alkylene oxide addition products, the acrylic or methacrylic acid of acrylate or methacrylate and contains the carboxylate of monohydroxy alcohol of 1 ~ 8 carbon atom and the compound of the quaternary ammonium salt of acrylic or methacrylic acid dialkyl amino ethyl ester; Described slipping agent is oleamide or erucyl amide; Described antiblocking agent is spherical, and its mean grain size is 0.01 ~ 10 μm.Here, it is anti-fog properties that antidim compound used has the outstanding anti-fog properties lastingly and initial stage, be not heated not pressurized when antidim compound substantially do not move between genetic horizon; Slipping agent can reduce the friction coefficient of film, makes film be easy to interformational sliding, improves its Kekelé structure count; Spherical can form many fine and hard projections on the surface of coextrusion blow membrane portions as antiblocking agent, avoid between the two-layer film fit together and form vacuum, film is made to be easy to opening, silicon dioxide is its properties constant as the advantage of antiblocking agent simultaneously, As time goes on performance degradation can not occur.
Preferably, described coextrusion blow film is stratiform symmetrical structure.Here stratiform symmetrical structure refers to that to be in the two layers of thickness of symmetric position relative to its central core identical, and resin-phase used with; Wherein resin-phase used is with referring to not distinguish in resin whether add the auxiliary agents such as antidim compound, slipping agent and antiblocking agent, as long as two-layer resin-phase used is same, is then considered as meeting symmetric condition.Symmetrical structure can improve the coiling-resistant performance of film.
Preferably, described oxidation prevention layer, except EVOH resin bed B*, also comprises polyamide (PA) resin bed.
Preferably, the structure expression of described coextrusion blow film is: A/C/B*/C/A**, or A/C/B/B*/B/C/A**, or A/A/C/B*/C/A/A**, or A/A/C/B/B*/B/C/A/A**, A/A/A/C/B*/C/A/A/A**, or A/A/A/C/B/B*/B/C/A/A/A**, or A/A/C/B*/C/A*/A**, or A/A/C/B/B*/B/C/A*/A**, A/A/A/C/B*/C/A/A*/A**, or A/A/A/C/B/B*/B/C/A/A*/A**, or A/A/A/C/B*/C/A*/A*/A**, or A/A/A/C/B/B*/B/C/A*/A*/A**, in formula: from left to right represent each layer that film is laid from top to bottom successively successively, A represents the pure resin bed of PE, A* represents the PE resin bed being added with described antidim compound, and in it, every 100 parts of PE resins are added with 0.2 ~ 3 part of described antidim compound, B represents PA resin bed.
Preferably, described tack coat is maleic anhydride graft PE resin bed.
Preferably, described film also comprises the outer base material film be made up of outer substrate layer and printed layers, and wherein, outer substrate layer is the biaxial tension resin bed of polyester (PET), one of polyamide (PA) and polypropylene (PP); The resistance wet layer on the opposite side surface of printed layers and described coextrusion blow film is combined with each other by hot pressing.
Advantage of the present invention and beneficial effect are: it is anti-fog properties and anti-fog properties lastingly that packing film of the present invention antidim compound used has the excellent initial stage, its low temperature and high temperature anti-fogging property test all show, add this antidim compound a certain amount of not only can make difference variation 24h caudacoria does not occur the globule, in 0 ~ 24h, also there will not be the globule simultaneously.In the structure of film, the coextrusion blow film contained by packing film of the present invention has balance bridge structure, and its curling resistance is high; And protect by oxidation prevention layer being clipped in two-layer resistance wet layer, the shortcoming that after overcoming the oxidation prevention layers such as PA and EVOH resin used and warm and humid environmental exposure, barrier can decline; And in oxidation prevention layer, be provided with at least one deck EVOH resin bed, make packing film be provided with fragrance retention.Coextrusion blow film also with the outer base material film hot pressing compound being provided with printed layers with the resistance improving film moist and intensity, strengthen the mark degree of packed article simultaneously.This packing film can be widely used in chilled meat, cold fresh meat etc. to be needed to hinder dampness oxygen guarantor perfume and the packaging being often housed in the food in refrigerator.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of the embodiment of the present invention 1;
Fig. 2 is the cross section structure schematic diagram of the embodiment of the present invention 2;
Fig. 3 is the cross section structure schematic diagram of the embodiment of the present invention 3;
Fig. 4 is the cross section structure schematic diagram of the embodiment of the present invention 4;
Fig. 5 is the cross section structure schematic diagram of the embodiment of the present invention 5;
Fig. 6 is the cross section structure schematic diagram of the embodiment of the present invention 6;
Fig. 7 is the cross section structure schematic diagram of the embodiment of the present invention 7;
Fig. 8 is the cross section structure schematic diagram of the embodiment of the present invention 8;
Fig. 9 is the cross section structure schematic diagram of the embodiment of the present invention 9;
Figure 10 is the cross section structure schematic diagram of the embodiment of the present invention 10;
Figure 11 is the cross section structure schematic diagram of the embodiment of the present invention 11;
Figure 12 is the cross section structure schematic diagram of the embodiment of the present invention 12;
Figure 13 is the cross section structure schematic diagram of the embodiment of the present invention 13;
Figure 14 is the cross section structure schematic diagram of the embodiment of the present invention 14;
Figure 15 is the cross section structure schematic diagram of the embodiment of the present invention 15;
Figure 16 is the cross section structure schematic diagram of the embodiment of the present invention 16.
In figure: the pure resin bed of 1-1 to 1-5, PE; 2-1 to 2-2, maleic anhydride graft PE resin bed; 3-1 to 3-2, PA resin bed; 4-1 to 4-2, anti-fogbound wet layer; 5, EVOH resin bed; 6, outer substrate layer; 7, printed layers; 8, the anti-fogbound wet layer of anti-stick company.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
Embodiment 1
The present invention is that a kind of resistance dampness oxygen with anti-fog function protects fragrant packing film, and this film is five laminate, and shaping by coextrusion blow.As shown in Figure 1, the structure expression of this film is: A/C/B*/C/A**; In formula: from left to right represent each layer that film is laid from top to bottom successively successively, A represents the pure resin bed of PE, it is resistance wet layer; A** represents the PE resin bed being added with antidim compound, slipping agent and antiblocking agent, and be the anti-fogbound wet layer of anti-stick company, in it, every 100 parts of PE resins are added with 0.2 part of antidim compound, 0.05 part of slipping agent and 0.05 part of antiblocking agent; C represents maleic anhydride graft PE resin bed, is tack coat; B* represents EVOH resin bed, keeps the oxidation prevention layer of function for having fragrance.
Here, PE is LLDPE; The compound of the quaternary ammonium salt that antidim compound is the alkylene oxide addition products of methacrylate, EMA and dimethylaminoethyl methacrylate and acetic acid are formed 2:1:1 in mass ratio; Slipping agent is erucyl amide; Antiblocking agent is spherical, and its mean grain size is 0.01 ~ 10 μm, and the interpolation of slipping agent and antiblocking agent can improve the Kekelé structure count of film.
The low temperature anti-fog performance of this film is summarized in table 1, and high temperature anti-fogging property can be summarized in table 2.
Embodiment 2
The present invention is that a kind of resistance dampness oxygen with anti-fog function protects fragrant packing film, and this film is seven laminate, and shaping by coextrusion blow.As shown in Figure 2, the structure expression of this film is: A/C/B/B*/B/C/A**; In formula: from left to right represent each layer that film is laid from top to bottom successively successively, A represents the pure resin bed of PE, it is resistance wet layer; A** represents the PE resin bed being added with antidim compound, slipping agent and antiblocking agent, and be the anti-fogbound wet layer of anti-stick company, in it, every 100 parts of PE resins are added with 3 parts of antidim compounds, 1 part of slipping agent and 1 part of antiblocking agent; C represents maleic anhydride graft PE resin bed, is tack coat; B represents PA resin bed, is oxidation prevention layer; B* represents EVOH resin bed, keeps the oxidation prevention layer of function for having fragrance.
Here, PE is MLDPE; The compound of the quaternary ammonium salt that antidim compound is the alkylene oxide addition products of acrylate, butyl acrylate and dimethylaminoethyl acrylate and acetic acid are formed 1:1:2 in mass ratio; Slipping agent is erucyl amide; Antiblocking agent is spherical, and its mean grain size is 0.01 ~ 10 μm.
The low temperature anti-fog performance of this film is summarized in table 1, and high temperature anti-fogging property can be summarized in table 2.
Embodiment 3
The present invention is that a kind of resistance dampness oxygen with anti-fog function protects fragrant packing film, and this film is seven laminate, and shaping by coextrusion blow.As shown in Figure 3, the structure expression of this film is: A/A/C/B*/C/A/A**; In formula: from left to right represent each layer that film is laid from top to bottom successively successively, A represents the pure resin bed of PE, it is resistance wet layer; A** represents the PE resin bed being added with antidim compound, slipping agent and antiblocking agent, and be the anti-fogbound wet layer of anti-stick company, in it, every 100 parts of PE resins are added with 0.5 part of antidim compound, 0.2 part of slipping agent and 0.2 part of antiblocking agent; C represents maleic anhydride graft PE resin bed, is tack coat; B* represents EVOH resin bed, keeps the oxidation prevention layer of function for having fragrance.
Here, PE is the compound of MLDPE and LLDPE by weight 1:1; The compound of the quaternary ammonium salt that antidim compound is the alkylene oxide addition products of acrylate, butyl methacrylate and dimethylaminoethyl methacrylate and acetic acid are formed 1:1:1 in mass ratio; Slipping agent is erucyl amide; Antiblocking agent is spherical, and its mean grain size is 0.01 ~ 10 μm.
The low temperature anti-fog performance of this film is summarized in table 1, and high temperature anti-fogging property can be summarized in table 2.
Embodiment 4
The present invention is that a kind of resistance dampness oxygen with anti-fog function protects fragrant packing film, and this film is nine laminate, and shaping by coextrusion blow.As shown in Figure 4, the structure expression of this film is: A/A/C/B/B*/B/C/A/A**; In formula: from left to right represent each layer that film is laid from top to bottom successively successively, A represents the pure resin bed of PE, it is resistance wet layer; A** represents the PE resin bed being added with antidim compound, slipping agent and antiblocking agent, and be the anti-fogbound wet layer of anti-stick company, in it, every 100 parts of PE resins are added with 0.6 part of antidim compound, 0.3 part of slipping agent and 0.3 part of antiblocking agent; C represents maleic anhydride graft PE resin bed, is tack coat; B represents PA resin bed, is oxidation prevention layer; B* represents EVOH resin bed, keeps the oxidation prevention layer of function for having fragrance.
Here, PE is LDPE; The compound of the quaternary ammonium salt that antidim compound is the alkylene oxide addition products of methacrylate, Hexyl 2-propenoate and diethylaminoethyl methacrylate and acetic acid are formed 1:1:3 in mass ratio; Slipping agent is erucyl amide; Antiblocking agent is spherical, and its mean grain size is 0.01 ~ 10 μm.
The low temperature anti-fog performance of this film is summarized in table 1, and high temperature anti-fogging property can be summarized in table 2.
Embodiment 5
The present invention is that a kind of resistance dampness oxygen with anti-fog function protects fragrant packing film, and this film is nine laminate, and shaping by coextrusion blow.As shown in Figure 5, the structure expression of this film is: A/A/A/C/B*/C/A/A/A**; In formula: from left to right represent each layer that film is laid from top to bottom successively successively, A represents the pure resin bed of PE, it is resistance wet layer; A** represents the PE resin bed being added with antidim compound, slipping agent and antiblocking agent, and be the anti-fogbound wet layer of anti-stick company, in it, every 100 parts of PE resins are added with 0.7 part of antidim compound, 0.4 part of slipping agent and 0.4 part of antiblocking agent; C represents maleic anhydride graft PE resin bed, is tack coat; B* represents EVOH resin bed, keeps the oxidation prevention layer of function for having fragrance.
Here, PE is the compound of MLDPE and LDPE by weight 1:2; The compound of the quaternary ammonium salt that antidim compound is the alkylene oxide addition products of methacrylate, pentylmethacrylate and acrylic acid lignocaine ethyl ester and acetic acid are formed 1:2:3 in mass ratio; Slipping agent is erucyl amide; Antiblocking agent is spherical, and its mean grain size is 0.01 ~ 10 μm.
The low temperature anti-fog performance of this film is summarized in table 1, and high temperature anti-fogging property can be summarized in table 2.
Embodiment 6
The present invention is that a kind of resistance dampness oxygen with anti-fog function protects fragrant packing film, and this film is eleventh floor laminar texture, and shaping by coextrusion blow.As shown in Figure 6, the structure expression of this film is: A/A/A/C/B/B*/B/C/A/A/A**; In formula: from left to right represent each layer that film is laid from top to bottom successively successively, A represents the pure resin bed of PE, it is resistance wet layer; A** represents the PE resin bed being added with antidim compound, slipping agent and antiblocking agent, and be the anti-fogbound wet layer of anti-stick company, in it, every 100 parts of PE resins are added with 2 parts of antidim compounds, 0.5 part of slipping agent and 0.5 part of antiblocking agent; C represents maleic anhydride graft PE resin bed, is tack coat; B represents PA resin bed, is oxidation prevention layer; B* represents EVOH resin bed, keeps the oxidation prevention layer of function for having fragrance.
Here, PE is the compound of LLDPE and LDPE by weight 1:3; The compound of the quaternary ammonium salt that antidim compound is the alkylene oxide addition products of methacrylate, butyl methacrylate and diethylaminoethyl methacrylate and acetic acid are formed 3:1:6 in mass ratio; Slipping agent is erucyl amide; Antiblocking agent is spherical, and its mean grain size is 0.01 ~ 10 μm.
The low temperature anti-fog performance of this film is summarized in table 1, and high temperature anti-fogging property can be summarized in table 2.
Embodiment 7
The present invention is that a kind of resistance dampness oxygen with anti-fog function protects fragrant packing film, and this film is seven laminate, and shaping by coextrusion blow.As shown in Figure 7, the structure expression of this film is: A/A/C/B*/C/A*/A**; In formula: from left to right represent each layer that film is laid from top to bottom successively successively, A represents the pure resin bed of PE, it is resistance wet layer; A* represents anti-fogbound wet layer, and in it, every 100 parts of PE resins are added with 1 part of antidim compound; A** represents the PE resin bed being added with antidim compound, slipping agent and antiblocking agent, and be the anti-fogbound wet layer of anti-stick company, in it, every 100 parts of PE resins are added with 1 part of antidim compound, 0.2 part of slipping agent and 0.2 part of antiblocking agent; C represents maleic anhydride graft PE resin bed, is tack coat; B* represents EVOH resin bed, keeps the oxidation prevention layer of function for having fragrance.
Here, PE is MLDPE, LLDPE and LDPE compound by weight 1:1:3; The compound of the quaternary ammonium salt that antidim compound is the alkylene oxide addition products of methacrylate, EMA and diethylaminoethyl methacrylate and acetic acid are formed 4:3:3 in mass ratio; Slipping agent is erucyl amide; Antiblocking agent is spherical, and its mean grain size is 0.01 ~ 10 μm.
The low temperature anti-fog performance of this film is summarized in table 1, and high temperature anti-fogging property can be summarized in table 2.
Embodiment 8
The present invention is that a kind of resistance dampness oxygen with anti-fog function protects fragrant packing film, and this film is nine laminate, and shaping by coextrusion blow.As shown in Figure 8, the structure expression of this film is: A/A/C/B/B*/B/C/A*/A**; In formula: from left to right represent each layer that film is laid from top to bottom successively successively, A represents the pure resin bed of PE, it is resistance wet layer; A* represents anti-fogbound wet layer, and in it, every 100 parts of PE resins are added with 3 parts of antidim compounds; A** represents the PE resin bed being added with antidim compound, slipping agent and antiblocking agent, and be the anti-fogbound wet layer of anti-stick company, in it, every 100 parts of PE resins are added with 3 parts of antidim compounds, 1 part of slipping agent and 1 part of antiblocking agent; C represents maleic anhydride graft PE resin bed, is tack coat; B represents PA resin bed, is oxidation prevention layer; B* represents EVOH resin bed, keeps the oxidation prevention layer of function for having fragrance.
Here, PE is MLDPE, LLDPE and LDPE compound by weight 1:1:4; The compound of the quaternary ammonium salt that antidim compound is the alkylene oxide addition products of methacrylate, EMA and acrylic acid lignocaine ethyl ester and acetic acid are formed 1:7:2 in mass ratio; Slipping agent is erucyl amide; Antiblocking agent is spherical, and its mean grain size is 0.01 ~ 10 μm.
The low temperature anti-fog performance of this film is summarized in table 1, and high temperature anti-fogging property can be summarized in table 2.
Embodiment 9
The present invention is that a kind of resistance dampness oxygen with anti-fog function protects fragrant packing film, and this film is nine laminate, and shaping by coextrusion blow.As shown in Figure 9, the structure expression of this film is: A/A/A/C/B*/C/A/A*/A**; In formula: from left to right represent each layer that film is laid from top to bottom successively successively, A represents the pure resin bed of PE, it is resistance wet layer; A* represents anti-fogbound wet layer, and in it, every 100 parts of PE resins are added with 1 part of antidim compound; A** represents the PE resin bed being added with antidim compound, slipping agent and antiblocking agent, and be the anti-fogbound wet layer of anti-stick company, in it, every 100 parts of PE resins are added with 2 parts of antidim compounds, 0.5 part of slipping agent and 0.5 part of antiblocking agent; C represents maleic anhydride graft PE resin bed, is tack coat; B* represents EVOH resin bed, keeps the oxidation prevention layer of function for having fragrance.
Here, PE is MLDPE, LLDPE and LDPE compound by weight 1:2:3; The compound of the quaternary ammonium salt that antidim compound is the alkylene oxide addition products of acrylate, EMA and dimethylaminoethyl acrylate and acetic acid are formed 2:1:1 in mass ratio; Slipping agent is erucyl amide; Antiblocking agent is spherical, and its mean grain size is 0.01 ~ 10 μm.
The low temperature anti-fog performance of this film is summarized in table 1, and high temperature anti-fogging property can be summarized in table 2.
Embodiment 10
The present invention is that a kind of resistance dampness oxygen with anti-fog function protects fragrant packing film, and this film is eleventh floor laminar texture, and shaping by coextrusion blow.As shown in Figure 10, the structure expression of this film is: A/A/A/C/B/B*/B/C/A/A*/A**; In formula: from left to right represent each layer that film is laid from top to bottom successively successively, A represents the pure resin bed of PE, it is resistance wet layer; A* represents anti-fogbound wet layer, and in it, every 100 parts of PE resins are added with 1.5 parts of antidim compounds; A** represents the PE resin bed being added with antidim compound, slipping agent and antiblocking agent, and be the anti-fogbound wet layer of anti-stick company, in it, every 100 parts of PE resins are added with 1.5 parts of antidim compounds, 0.05 part of slipping agent and 0.05 part of antiblocking agent; C represents maleic anhydride graft PE resin bed, is tack coat; B represents PA resin bed, is oxidation prevention layer; B* represents EVOH resin bed, keeps the oxidation prevention layer of function for having fragrance.
Here, PE is MLDPE, LLDPE and LDPE compound by weight 2:1:5; The compound of the quaternary ammonium salt that antidim compound is the alkylene oxide addition products of acrylate, propyl methacrylate and dimethylaminoethyl acrylate and acetic acid are formed 2:2:1 in mass ratio; Slipping agent is erucyl amide; Antiblocking agent is spherical, and its mean grain size is 0.01 ~ 10 μm.
The low temperature anti-fog performance of this film is summarized in table 1, and high temperature anti-fogging property can be summarized in table 2.
Embodiment 11
The present invention is that a kind of resistance dampness oxygen with anti-fog function protects fragrant packing film, and this film is nine laminate, and shaping by coextrusion blow.As shown in figure 11, the structure expression of this film is: A/A/A/C/B*/C/A*/A*/A**; In formula: from left to right represent each layer that film is laid from top to bottom successively successively,
A represents the pure resin bed of PE, is resistance wet layer; A* represents anti-fogbound wet layer, and in it, every 100 parts of PE resins are added with 1 part of antidim compound; A** represents the PE resin bed being added with antidim compound, slipping agent and antiblocking agent, and be the anti-fogbound wet layer of anti-stick company, in it, every 100 parts of PE resins are added with 2 parts of antidim compounds, 0.1 part of slipping agent and 0.1 part of antiblocking agent; C represents maleic anhydride graft PE resin bed, is tack coat; B* represents EVOH resin bed, keeps the oxidation prevention layer of function for having fragrance.
Here, PE is MLDPE, LLDPE and LDPE compound by weight 1:2:3; Antidim compound is the compound of the quaternary ammonium salt that formed of the alkylene oxide addition products 2-ethyl hexyl acrylate of acrylate and dimethylaminoethyl methacrylate and acetic acid 2:1:2 in mass ratio; Slipping agent is erucyl amide; Antiblocking agent is spherical, and its mean grain size is 0.01 ~ 10 μm.
The low temperature anti-fog performance of this film is summarized in table 1, and high temperature anti-fogging property can be summarized in table 2.
Embodiment 12
The present invention is that a kind of resistance dampness oxygen with anti-fog function protects fragrant packing film, and this film is eleventh floor laminar texture, and shaping by coextrusion blow.As shown in figure 12, the structure expression of this film is: A/A/A/C/B/B*/B/C/A*/A*/A**; In formula: from left to right represent each layer that film is laid from top to bottom successively successively, A represents the pure resin bed of PE, it is resistance wet layer; A* represents anti-fogbound wet layer, and in it, every 100 parts of PE resins are added with 2 parts of antidim compounds; A** represents the PE resin bed being added with antidim compound, slipping agent and antiblocking agent, and be the anti-fogbound wet layer of anti-stick company, in it, every 100 parts of PE resins are added with 0.4 part of antidim compound, 0.2 part of slipping agent and 0.2 part of antiblocking agent; C represents maleic anhydride graft PE resin bed, is tack coat; B represents PA resin bed, is oxidation prevention layer; B* represents EVOH resin bed, keeps the oxidation prevention layer of function for having fragrance.
Here, PE is MLDPE, LLDPE and LDPE compound by weight 1:1:2; The compound of the quaternary ammonium salt that antidim compound is the alkylene oxide addition products of methacrylate, methyl methacrylate and acrylic acid dipropyl amino ethyl ester and acetic acid are formed 2:3:1 in mass ratio; Slipping agent is oleamide; Antiblocking agent is spherical, and its mean grain size is 0.01 ~ 10 μm.
The low temperature anti-fog performance of this film is summarized in table 1, and high temperature anti-fogging property can be summarized in table 2.
Embodiment 13
The present invention is that a kind of resistance dampness oxygen with anti-fog function protects fragrant packing film, and this film is laminar texture, and as shown in figure 13, it comprises outside the five-layer co-squeezing blown film shown in embodiment 1, also comprises an outer base material film; Outer base material film is made up of outer substrate layer and the printed layers be fixed on below outer substrate layer, and the resistance wet layer of the printed layers the superiors of extrusion blow plastic film is together combined with each other by hot pressing.Wherein, outer substrate layer is biaxial tension PET resin layer.
The low temperature anti-fog performance of this film is summarized in table 1, and high temperature anti-fogging property can be summarized in table 2.
Embodiment 14
The present invention is that a kind of resistance dampness oxygen with anti-fog function protects fragrant packing film, and this film is laminar texture, and as shown in figure 14, it comprises outside the seven-layer co-extrusion blown film shown in embodiment 7, also comprises an outer base material film; Outer base material film is made up of outer substrate layer and the printed layers be fixed on below outer substrate layer, and the resistance wet layer of the printed layers the superiors of extrusion blow plastic film is together combined with each other by hot pressing.Wherein, outer substrate layer is biaxial tension PA resin material layer.
The low temperature anti-fog performance of this film is summarized in table 1, and high temperature anti-fogging property can be summarized in table 2.
Embodiment 15
The present invention is that a kind of resistance dampness oxygen with anti-fog function protects fragrant packing film, and this film is laminar texture, and as shown in figure 15, it comprises outside layer coextrusion blow film of nine shown in embodiment 8, also comprises an outer base material film; Outer base material film is made up of outer substrate layer and the printed layers be fixed on below outer substrate layer, and the resistance wet layer of the printed layers the superiors of extrusion blow plastic film is together combined with each other by hot pressing.Wherein, outer substrate layer is biaxial tension PP resin material layer.
Embodiment 16
The present invention is that a kind of resistance dampness oxygen with anti-fog function protects fragrant packing film, and this film is laminar texture, and as shown in figure 16, it comprises outside layer coextrusion blow film of nine shown in embodiment 9, also comprises an outer base material film; Outer base material film is made up of outer substrate layer and the printed layers be fixed on below outer substrate layer, and the resistance wet layer of the printed layers the superiors of extrusion blow plastic film is together combined with each other by hot pressing.Wherein, outer substrate layer is biaxial tension PET resin material layer.
The low temperature anti-fog performance of this film is summarized in table 1, and high temperature anti-fogging property can be summarized in table 2.
In above-described embodiment 1 ~ 16, the test of anti-fog performance includes the test of low temperature anti-fog performance and high temperature anti-fogging property can be tested.
The anti-fog properties test method of concrete low temperature is: the warm water filling 1/3 30 DEG C in conventional Disposable paper cup, cover packing film, with rubber belt sealing, put in the refrigerator of 5 DEG C, and the situation of observation after this 0.5 hour, 1.5 hours, 4.5 hours, 24 hours and 48 hours films.
Concrete high temperature anti-fogging property test method is: the hot water filling 1/3 80 DEG C in conventional Disposable paper cup, covers packing film, with rubber belt sealing, observe the situation of after this 0.5 hour, 1.5 hours, 4.5 hours, 24 hours and 48 hours films at 20 DEG C.
Anti-fog properties test results presses following standard evaluation with visual.One-level is anti-fog properties: anti-fog properties very good, film surface, without any the globule, can be known and see situation in cup; Secondary is anti-fog properties: better anti-fog properties, and film surface has the slight globule, still can know and see situation in cup; Three grades anti-fog properties: generally anti-fog properties, and there is the globule film surface local, only can see situation in the cup of local; Level Four is anti-fog properties: anti-fog properties poor, and there is the globule in film surface major part region, only can see situation in the cup of small area; Pyatyi is anti-fog properties: anti-fog properties non-constant, and film surface is covered with the globule, cannot see situation in cup.
Table 1
| Low temperature anti-fog performance | 0.5h | 1.5h | 4.5h | 24h | 48h |
| Embodiment 1 | 2 grades | 2 grades | 1 grade | 2 grades | 2 grades |
| Embodiment 2 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 3 | 2 grades | 1 grade | 1 grade | 2 grades | 2 grades |
| Embodiment 4 | 2 grades | 1 grade | 1 grade | 2 grades | 2 grades |
| Embodiment 5 | 2 grades | 1 grade | 1 grade | 2 grades | 2 grades |
| Embodiment 6 | 1 grade | 1 grade | 1 grade | 1 grade | 2 grades |
| Embodiment 7 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 8 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 9 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 10 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 11 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 12 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 13 | 2 grades | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 14 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 15 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 16 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
Table 2
| High temperature anti-fogging property energy | 0.5h | 1.5h | 4.5h | 24h | 48h |
| Embodiment 1 | 2 grades | 2 grades | 2 grades | 2 grades | 2 grades |
| Embodiment 2 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 3 | 2 grades | 2 grades | 2 grades | 2 grades | 2 grades |
| Embodiment 4 | 2 grades | 2 grades | 2 grades | 2 grades | 2 grades |
| Embodiment 5 | 2 grades | 2 grades | 2 grades | 2 grades | 2 grades |
| Embodiment 6 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 7 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 8 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 9 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 10 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 11 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 12 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 13 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 14 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 15 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
| Embodiment 16 | 1 grade | 1 grade | 1 grade | 1 grade | 1 grade |
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the resistance dampness oxygen with anti-fog function protects a fragrant packing film, it is characterized in that: described film comprises coextrusion blow film; Coextrusion blow film by least two-layer resistance wet layer, be sandwiched in resistance wet layer between at least one deck oxidation prevention layer and for bond adjacent oxidation prevention layer and resistance wet layer tack coat C form; At least one deck EVOH resin bed B* is comprised in oxidation prevention layer; And the resistance wet layer of a side surface of the coextrusion blow film anti-fogbound wet layer A** that is anti-stick company, be added with antidim compound, slipping agent and antiblocking agent in it; Described antidim compound is alkylene oxide addition products, the acrylic or methacrylic acid of acrylate or methacrylate and contains the carboxylate of monohydroxy alcohol of 1 ~ 8 carbon atom and the compound of the quaternary ammonium salt of acrylic or methacrylic acid dialkyl amino ethyl ester.
2. the resistance dampness oxygen as claimed in claim 1 with anti-fog function protects fragrant packing film, it is characterized in that: described tack coat C is the modified PE resin bed containing anhydride functional group; Described resistance wet layer is PE resin bed.
3. the resistance dampness oxygen as claimed in claim 2 with anti-fog function protects fragrant packing film, it is characterized in that: the PE in described resistance wet layer is a kind of in MLDPE, LLDPE and LDPE or its combination in any.
4. the resistance dampness oxygen as claimed in claim 1 with anti-fog function protects fragrant packing film, it is characterized in that: in the anti-fogbound wet layer A** of described anti-stick company, every 100 parts of PE resins are added with 0.2 ~ 3 part of antidim compound, 0.05 ~ 1 part of slipping agent and 0.05 ~ 1 part of antiblocking agent.
5. the resistance dampness oxygen as claimed in claim 4 with anti-fog function protects fragrant packing film, it is characterized in that: described slipping agent is oleamide or erucyl amide; Described antiblocking agent is spherical, and its mean grain size is 0.01 ~ 10 μm.
6. the resistance dampness oxygen with anti-fog function as described in claim 4 or 5 protects fragrant packing film, it is characterized in that: described coextrusion blow film is stratiform symmetrical structure.
7. the resistance dampness oxygen as claimed in claim 6 with anti-fog function protects fragrant packing film, it is characterized in that: described oxidation prevention layer also comprises PA resin bed.
8. the resistance dampness oxygen as claimed in claim 6 with anti-fog function protects fragrant packing film, it is characterized in that: the structure expression of described coextrusion blow film is: A/C/B*/C/A**, or A/C/B/B*/B/C/A**, or A/A/C/B*/C/A/A**, or A/A/C/B/B*/B/C/A/A**, A/A/A/C/B*/C/A/A/A**, or A/A/A/C/B/B*/B/C/A/A/A**, or A/A/C/B*/C/A*/A**, or A/A/C/B/B*/B/C/A*/A**, A/A/A/C/B*/C/A/A*/A**, or A/A/A/C/B/B*/B/C/A/A*/A**, or A/A/A/C/B*/C/A*/A*/A**, or A/A/A/C/B/B*/B/C/A*/A*/A**, in formula: from left to right represent each layer that film is laid from top to bottom successively successively, A represents the pure resin bed of PE, A* represents anti-fogbound wet layer, and in it, every 100 parts of PE resins are added with 0.2 ~ 3 part of antidim compound, B represents PA resin bed.
9. the resistance dampness oxygen as claimed in claim 8 with anti-fog function protects fragrant packing film, it is characterized in that: described tack coat is maleic anhydride graft PE resin bed.
10. the resistance dampness oxygen as claimed in claim 8 with anti-fog function protects fragrant packing film, it is characterized in that: described film also comprises the outer base material film be made up of outer substrate layer and printed layers, wherein, outer substrate layer is the biaxial tension resin bed of one of PET, PA and PP; The resistance wet layer on the opposite side surface of printed layers and described coextrusion blow film is combined with each other by hot pressing.
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| CN112026317A (en) * | 2020-09-09 | 2020-12-04 | 浙江驰怀烫印科技股份有限公司 | Anti fold high separation complex film |
| WO2024262327A1 (en) * | 2023-06-20 | 2024-12-26 | Dic株式会社 | Anti-fogging multi-layer film, laminate using same, and packaging material |
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| EP0561428B1 (en) * | 1986-02-28 | 1998-04-29 | W.R. Grace & Co.-Conn. | Oxygen barrier packaging film |
| JP5275227B2 (en) * | 2006-05-16 | 2013-08-28 | チバ ホールディング インコーポレーテッド | Single and multilayer blown film |
| JP2008195447A (en) * | 2007-02-16 | 2008-08-28 | Reiko Co Ltd | Packaging film excellent in gas barrier properties |
| CN201283680Y (en) * | 2008-09-10 | 2009-08-05 | 台虹科技股份有限公司 | Heat-insulating energy-saving film with antifogging function |
| CN201494072U (en) * | 2009-08-14 | 2010-06-02 | 常州金海塑业有限公司 | Polypropylene high-obstructing anti-mist film |
| CN202283804U (en) * | 2011-10-24 | 2012-06-27 | 上海唐科新型包装材料有限公司 | Anti-fog barrier film |
| CN102642359A (en) * | 2012-04-28 | 2012-08-22 | 张建岭 | High-separation multilayer joint-extrusion shrink film |
| CN202669106U (en) * | 2012-06-05 | 2013-01-16 | 江阴升辉包装材料有限公司 | Anti-fog shrink film |
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Address after: 214400 No.2 Tonggang Road, Changjing Town, Jiangyin, Wuxi, Jiangsu Province Patentee after: Shenghui new materials Co.,Ltd. Address before: 214400 No.2 Tonggang Road, Changjing Industrial Park, Jiangyin, Wuxi, Jiangsu Province Patentee before: JIANGYIN SUNRISE PACKAGING MATERIAL Co.,Ltd. |
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| CP03 | Change of name, title or address |