CN108819380A - It is a kind of can thermophilic digestion sterilization epiphragma - Google Patents

It is a kind of can thermophilic digestion sterilization epiphragma Download PDF

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Publication number
CN108819380A
CN108819380A CN201810588280.0A CN201810588280A CN108819380A CN 108819380 A CN108819380 A CN 108819380A CN 201810588280 A CN201810588280 A CN 201810588280A CN 108819380 A CN108819380 A CN 108819380A
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CN
China
Prior art keywords
layer
epiphragma
aluminium
adhesive
film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810588280.0A
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Chinese (zh)
Inventor
卿前仲
陈威
张朋
张金子
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stone Packaging (jiaxing) Co Ltd
Original Assignee
Stone Packaging (jiaxing) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stone Packaging (jiaxing) Co Ltd filed Critical Stone Packaging (jiaxing) Co Ltd
Priority to CN201810588280.0A priority Critical patent/CN108819380A/en
Publication of CN108819380A publication Critical patent/CN108819380A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/04Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/04Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/09Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/20Layered products comprising a layer of metal comprising aluminium or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/32Layered products comprising a layer of synthetic resin comprising polyolefins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/36Layered products comprising a layer of synthetic resin comprising polyesters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/306Resistant to heat

Landscapes

  • Laminated Bodies (AREA)

Abstract

The present invention relates to it is a kind of can thermophilic digestion sterilization epiphragma, including ontology, the ontology successively includes pet layer, aluminium layer and PE layer from outside to inside, and described PE layer includes composite layer, middle layer and hot sealing layer, and the aluminium layer setting is on composite layer.Film layer is equipped between the aluminium layer and composite layer;Advantages of the present invention:Pass through the setting of film layer, ensure that aluminium layer is reliably compounded on PE layer, ensure that it is compound after epiphragma integrally do not deform, effectively raise the resistance to cooking disinfection performance of epiphragma entirety, to make the epiphragma after preparation can be in the case where 121~145 DEG C (containing 145 DEG C) boiling 20~40 minutes, epiphragma do not warp, the quality problems of delamination, corrugation and breakage, meets the needs of actual use.

Description

It is a kind of can thermophilic digestion sterilization epiphragma
Technical field
The present invention relates to it is a kind of can thermophilic digestion sterilization epiphragma.
Background technique
Currently, Tropical cooking film uses temperature at 121~145 DEG C according to prescribed product in national standard GB/T10004-2008 (contain 145 DEG C) is thermophilic digestion grade, and can the epiphragmas of digestion resistant bactericidal properties have use demand in many food products, And existing epiphragma warps after being easy to appear boiling in process of production, the problem of delamination, corrugation and breakage, leads to epiphragma entirety Quality stability is poor.
Summary of the invention
The technical problem to be solved in the present invention is to provide it is a kind of can thermophilic digestion sterilization epiphragma, solve existing epiphragma and deposit In the technical problem of quality stability difference.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions:One kind can thermophilic digestion kill The epiphragma of bacterium, including ontology, the ontology successively includes pet layer, aluminium layer and PE layer from outside to inside, and described PE layers includes compound Layer, middle layer and hot sealing layer, the aluminium layer are arranged on composite layer.Film layer is equipped between the aluminium layer and composite layer;
The composite layer includes following components composition:The low density polyethylene (LDPE) of 100 mass parts, 5~15 mass parts it is linear The PPA of low density polyethylene (LDPE), 1~3 mass parts;
The middle layer includes following components composition:The metallocene of the low density polyethylene (LDPE) of 100 mass parts, 1~3 mass parts The HDPE of PE, 5~10 mass parts;
The hot sealing layer includes following components composition:The ethylene-of the low density polyethylene (LDPE) of 100 mass parts, 4~8 mass parts The smooth opening agent of acetate ethylene copolymer, 1~3 mass parts.
Preferential, the thickness ratio of the composite layer, middle layer and hot sealing layer is 1:1:1, and the composite layer, middle layer and Hot sealing layer is formed PE layers described by inflation film manufacturing machine blown film.
Preferential, the epiphragma further includes the first adhesive layer, the second adhesive layer and third adhesive layer, and the pet layer passes through First adhesive layer is arranged on aluminium layer, and the aluminium layer is arranged in film layer by the second adhesive layer, and the film layer passes through the Three adhesive layers are arranged on composite layer.
Preferential, first adhesive layer and the second adhesive layer are all made of the adhesive of digestion resistant, and each square The glue-spread of first adhesive layer and the second adhesive layer is 2.5~3.5g in rice, and the third adhesive layer is solvent-free glue Glutinous agent.
Preferential, the film layer is polyamide laminate film of the surface through sided corona treatment, and thickness of the film layer on aluminium layer It is 15~20 μm, the corona value of the film layer is not less than 50 dynes.
Preferential, the pet layer is formed by drawing and setting twice, and pet layer in film layer with a thickness of 10~15 μm, The surface tension of the pet layer is not less than 50 dynes.
Preferential, the aluminium layer uses two-sided annealing aluminium foil, and aluminium layer on PE layer with a thickness of 7~20 μm.
In conclusion advantages of the present invention:1. being prepared by low density polyethylene (LDPE), linear low density polyethylene and PPA At composite layer, the middle layer that low density polyethylene (LDPE), metallocene PE and HDPE are prepared, low density polyethylene (LDPE), ethyl vinyl acetate The hot sealing layer that ethylene copolymer and smooth opening agent are prepared forms the PE layer of epiphragma, due to joined PPA on composite layer, PE layers of processing performance can effectively be improved, improve the flatness on blown film surface, enhance lustrous surface, while will not influence PE again Plasticizing capacity of layer itself, will not influence PE layers of bonding and heat sealing performance;Joined in the intermediate layer metallocene PE and HDPE can improve PE layers of tensile strength, and the foreign matter for improving middle layer is mingled with the adhesive property of heat sealability and middle layer, The toughness of film can be improved simultaneously, ethylene-vinyl acetate copolymer and smooth opening agent is joined in hot sealing layer, PE layers can be made to have Good heat sealability and easy-to-rupture, while the characteristic that there is digestion resistant to sterilize, and film is set between aluminium layer and PE layers Layer, passes through the setting of film layer, it is ensured that aluminium layer is reliably compounded on PE layer, ensure that it is compound after epiphragma whole do not occur Deformation, effectively raises the resistance to cooking disinfection performance of epiphragma entirety, so that the epiphragma after preparation be made (can to contain at 121~145 DEG C 145 DEG C) in the case where boiling 20~40 minutes, epiphragma do not warp, the quality problems of delamination, corrugation and breakage, meets real The demand that border uses;
2. the thickness of composite layer, middle layer and hot sealing layer is arranged to it is equal, and by inflation film manufacturing machine blown film formed PE layers, make PE layers have good compound fastness and blown film processability, are conducive to PE layers of rapid shaping, inflation film manufacturing machine makes PE layers after molding Thickness have homogeneity, good transparency and good heat sealability;
3. the setting of the first adhesive layer, the second adhesive layer and third adhesive layer is conducive to the quick compound of epiphragma, it is ensured that lid The total quality of film avoids the dispersion in thermophilic digestion sterilization process;
4. the first adhesive layer and the second adhesive layer to be used to the adhesive of digestion resistant, and described the in each square metre The glue-spread of one adhesive layer and the second adhesive layer is 2.5~3.5g, can ensure that epiphragma does not occur in thermophilic digestion sterilization process Segregation phenomenon improves the quality of epiphragma entirety, since the packaging of digestion resistant sterilization is generally used for food packaging, and in boiling Dissolvent residual control requires after sterilization detection, and third adhesive layer is arranged to solvent-free adhesive, is able to satisfy thermophilic digestion sterilization It is required that, it is ensured that cooking disinfection rear surface no solvent residue;
5. film layer, which is arranged to corona value, is not less than 50 dynes of polyamide laminate film, two-sided compound of film layer can guarantee Fastness, it is ensured that epiphragma has the effect of resistance to cooking disinfection,
6.PET layers of surface tension is not less than 50 dynes, can guarantee that pet layer surface has good ink adhesion;
7. two-sided annealing aluminium foil can ensure that aluminium layer has stable mechanical property and good surface quality, be conducive to The composite quality of entire epiphragma is improved, and sets 7~20 μm for thickness of the aluminium layer on PE layer, can be further improved aluminium layer Barriering efficiency, when thickness of the aluminium layer on PE layer is less than 7 μm, barriering quality is poor, is unfavorable for the compound of aluminium layer, when aluminium layer is in PE When thickness on layer is greater than 20 μm, it is unfavorable for the compound of epiphragma entirety.
Detailed description of the invention
Fig. 1 be one kind of the present invention can thermophilic digestion sterilize epiphragma structural schematic diagram.
Appended drawing reference:
1 ontology, 11PET layers, 12 aluminium layers, 13PE layers, 131 composite layers, 132 middle layers, 133 hot sealing layers, 14 film layers, 15 First adhesive layer, 16 second adhesive layers, 17 third adhesive layers.
Specific embodiment
As shown in Figure 1, it is a kind of can thermophilic digestion sterilization epiphragma, including ontology 1, the ontology 1 successively wraps from outside to inside Pet layer 11, aluminium layer 12 and PE layer 13 are included, the PE layer 13 includes composite layer 131, middle layer 132 and hot sealing layer 133, the aluminium Layer 12 is arranged on composite layer 131.It is equipped with film layer 14 between the aluminium layer 12 and composite layer 131, passes through setting for film layer 14 Set, it is ensured that aluminium layer 12 is reliably compounded on PE layer 13, ensure that it is compound after epiphragma integrally do not deform, effectively mention The high resistance to cooking disinfection performance of epiphragma entirety;
The composite layer 131 is formed including following components:The line of the low density polyethylene (LDPE) of 100 mass parts, 5~15 mass parts The PPA of property low density polyethylene (LDPE), 1~3 mass parts;Due to joined PPA on composite layer 131, it can effectively improve PE layers 13 processing performance improves the flatness on blown film surface, enhances lustrous surface, while will not influence 13 soffening of PE layer itself again Can, the bonding and heat sealing performance of PE layer 13 will not be influenced;
The middle layer 132 is formed including following components:The cyclopentadienyl of the low density polyethylene (LDPE) of 100 mass parts, 1~3 mass parts The HDPE of metal PE, 5~10 mass parts;It joined metallocene PE and HDPE in middle layer 132, the stretching of PE layer 13 can be improved Intensity, the foreign matter for improving middle layer 132 is mingled with the adhesive property of heat sealability and middle layer 132, while can improve film Toughness;
The hot sealing layer 133 is formed including following components:The second of the low density polyethylene (LDPE) of 100 mass parts, 4~8 mass parts The smooth opening agent of alkene-acetate ethylene copolymer, 1~3 mass parts can make PE layer 13 have good heat sealability and easy-to-rupture, The characteristic that there is digestion resistant to sterilize simultaneously, to make the epiphragma after preparation can be in 121~145 DEG C of (containing 145 DEG C) boilings 20 In the case where~40 minutes, epiphragma do not warp, the quality problems of delamination, corrugation and breakage, meets the needs of actual use.
The thickness ratio of the composite layer 131, middle layer 132 and hot sealing layer 133 is 1:1:1, the composite layer 131, centre Layer 132 and hot sealing layer 133 by inflation film manufacturing machine blown film form the PE layer 13, make PE layer 13 with compound fastness and blown film well Processability, is conducive to the rapid shaping of PE layer 13, and inflation film manufacturing machine makes the thickness of PE layer 13 after molding have homogeneity, good Lightness and good heat sealability, the epiphragma further include the first adhesive layer 15, the second adhesive layer 16 and third adhesive layer 17, institute It states pet layer 11 to be arranged on aluminium layer 12 by the first adhesive layer 15, the aluminium layer 12 is arranged by the second adhesive layer 16 in film On layer 14, the film layer 14 is arranged on composite layer 131 by third adhesive layer 17, is conducive to the quick compound of epiphragma, really The total quality for protecting epiphragma, avoids the dispersion in thermophilic digestion sterilization process.
In addition, first adhesive layer 15 and the second adhesive layer 16 are all made of the adhesive of digestion resistant, and each flat The glue-spread of first adhesive layer 15 and the second adhesive layer 16 is 2.5~3.5g in square rice, the adhesive in the present embodiment Using glue, bonding efficiency can be improved, the adhesive of digestion resistant can ensure that epiphragma does not occur in thermophilic digestion sterilization process Segregation phenomenon improves the quality of epiphragma entirety, and the third adhesive layer 17 is solvent-free adhesive, since digestion resistant is sterilized Packaging be generally used for food packaging, and dissolvent residual control requires after cooking disinfection detection, and solvent-free adhesive is able to satisfy Thermophilic digestion sterilization requires, it is ensured that cooking disinfection rear surface no solvent residue.
The film layer 14 is polyamide laminate film 14 of the surface through sided corona treatment, and thickness of the film layer 14 on aluminium layer 12 It is 15~20 μm, the corona value of the film layer 14 is not less than 50 dynes, can guarantee the two-sided compound fastness of film layer 14, it is ensured that Epiphragma has the effect of resistance to cooking disinfection, in addition, the pet layer 11 is formed by drawing and setting twice, and pet layer 11 is in film Layer 14 with a thickness of 12 μm, the surface tension of the pet layer 11 is not less than 50 dynes, and it is good to can guarantee that 11 surface of pet layer has Ink adhesion, the aluminium layer 12 uses two-sided annealing aluminium foil, and aluminium layer 12 on PE layer 13 with a thickness of 15 μm, it is two-sided to move back Fiery aluminium foil can ensure that aluminium layer 12 has stable mechanical property and good surface quality, be conducive to improve entire epiphragma Composite quality.
In addition to above preferred embodiment, there are other embodiments of the invention, and those skilled in the art can be according to this Invention makes various changes and modifications, and as long as it does not depart from the spirit of the invention, should belong to appended claims of the present invention and determines The range of justice.

Claims (7)

1. one kind can thermophilic digestion sterilization epiphragma, including ontology, from outside to inside the ontology successively include pet layer, aluminium layer and PE layers, it is characterised in that:Described PE layers includes composite layer, middle layer and hot sealing layer, and the aluminium layer is arranged on composite layer.It is described Film layer is equipped between aluminium layer and composite layer;
The composite layer includes following components composition:The low density polyethylene (LDPE) of 100 mass parts, 5~15 mass parts it is linear low close Spend the PPA of polyethylene, 1~3 mass parts;
The middle layer includes following components composition:The low density polyethylene (LDPE) of 100 mass parts, the metallocene PE of 1~3 mass parts, 5 The HDPE of~10 mass parts;
The hot sealing layer includes following components composition:The ethyl vinyl acetate of the low density polyethylene (LDPE) of 100 mass parts, 4~8 mass parts The smooth opening agent of ethylene copolymer, 1~3 mass parts.
2. one kind according to claim 1 can thermophilic digestion sterilization epiphragma, it is characterised in that:The composite layer, centre The thickness ratio of layer and hot sealing layer is 1:1:1, the composite layer, middle layer and hot sealing layer form the PE by inflation film manufacturing machine blown film Layer.
3. one kind according to claim 1 can thermophilic digestion sterilization epiphragma, it is characterised in that:The epiphragma further includes One adhesive layer, the second adhesive layer and third adhesive layer, the pet layer are arranged on aluminium layer by the first adhesive layer, the aluminium layer It is arranged in film layer by the second adhesive layer, the film layer is arranged on composite layer by third adhesive layer.
4. one kind according to claim 3 can thermophilic digestion sterilization epiphragma, it is characterised in that:First adhesive layer and Second adhesive layer is all made of the adhesive of digestion resistant, and first adhesive layer and the second adhesive layer in each square metre Glue-spread is 2.5~3.5g, and the third adhesive layer is solvent-free adhesive.
5. one kind according to claim 3 can thermophilic digestion sterilization epiphragma, it is characterised in that:The film layer is surface Polyamide laminate film through sided corona treatment, and film layer on aluminium layer with a thickness of 15~20 μm, the corona value of the film layer is not Lower than 50 dynes.
6. one kind according to claim 1 can thermophilic digestion sterilization epiphragma, it is characterised in that:The pet layer passes through two Secondary drawing and setting forms, and pet layer in film layer with a thickness of 10~15 μm, the surface tension of the pet layer is reached not less than 50 Cause.
7. one kind according to claim 1 can thermophilic digestion sterilization epiphragma, it is characterised in that:The aluminium layer is using two-sided Anneal aluminium foil, and aluminium layer on PE layer with a thickness of 7~20 μm.
CN201810588280.0A 2018-06-08 2018-06-08 It is a kind of can thermophilic digestion sterilization epiphragma Pending CN108819380A (en)

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CN201810588280.0A CN108819380A (en) 2018-06-08 2018-06-08 It is a kind of can thermophilic digestion sterilization epiphragma

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Application Number Priority Date Filing Date Title
CN201810588280.0A CN108819380A (en) 2018-06-08 2018-06-08 It is a kind of can thermophilic digestion sterilization epiphragma

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06106692A (en) * 1992-08-11 1994-04-19 Toppan Printing Co Ltd Packing material for sterilization under pressure and heat and packed body using the same
CN103203919A (en) * 2013-02-22 2013-07-17 浙江诚信包装材料有限公司 High-barrier semi-high temperature cooking liquid packaging material and packaging bag made of the same
CN203997433U (en) * 2014-05-29 2014-12-10 江阴升辉包装材料有限公司 A kind of digestion resistant food packing composite film
CN206493674U (en) * 2017-01-23 2017-09-15 嘉兴市明跃包装材料有限公司 A kind of new printable digestion resistant aluminium stretched film
CN107283980A (en) * 2017-07-05 2017-10-24 永新股份(黄山)包装有限公司 A kind of digestion resistant polyethylene film and its production technology
CN107538837A (en) * 2017-06-29 2018-01-05 江阴宝柏包装有限公司 The composite membrane of retort packaging bag and the method for preparing its RCPP layer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06106692A (en) * 1992-08-11 1994-04-19 Toppan Printing Co Ltd Packing material for sterilization under pressure and heat and packed body using the same
CN103203919A (en) * 2013-02-22 2013-07-17 浙江诚信包装材料有限公司 High-barrier semi-high temperature cooking liquid packaging material and packaging bag made of the same
CN203997433U (en) * 2014-05-29 2014-12-10 江阴升辉包装材料有限公司 A kind of digestion resistant food packing composite film
CN206493674U (en) * 2017-01-23 2017-09-15 嘉兴市明跃包装材料有限公司 A kind of new printable digestion resistant aluminium stretched film
CN107538837A (en) * 2017-06-29 2018-01-05 江阴宝柏包装有限公司 The composite membrane of retort packaging bag and the method for preparing its RCPP layer
CN107283980A (en) * 2017-07-05 2017-10-24 永新股份(黄山)包装有限公司 A kind of digestion resistant polyethylene film and its production technology

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ZEKI BERK: "FOOD PROCESS ENGINEERING AND TECHNOLOGY", ELSEVIER出版社, pages: 626 *

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Application publication date: 20181116