CN108819380A - It is a kind of can thermophilic digestion sterilization epiphragma - Google Patents
It is a kind of can thermophilic digestion sterilization epiphragma Download PDFInfo
- 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
- Authority
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered 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
- B32B15/08—Layered 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
- B32B15/09—Layered 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered 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
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant 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
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.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108819380A true CN108819380A (en) | 2018-11-16 |
Family
ID=64144419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810588280.0A Pending CN108819380A (en) | 2018-06-08 | 2018-06-08 | It is a kind of can thermophilic digestion sterilization epiphragma |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108819380A (en) |
Citations (6)
| 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 |
-
2018
- 2018-06-08 CN CN201810588280.0A patent/CN108819380A/en active Pending
Patent Citations (6)
| 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)
| Title |
|---|
| ZEKI BERK: "FOOD PROCESS ENGINEERING AND TECHNOLOGY", ELSEVIER出版社, pages: 626 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5952838B2 (en) | Multilayer sheet, solar cell backsheet, and solar cell module | |
| CN102248735B (en) | Polyolefin film used for packaging and preparation method thereof | |
| CN103192570B (en) | High-resistance steam resistant packaging film convenient for direct microwave heating and preparation method thereof | |
| CN105646995B (en) | A kind of anti-snail line packaging adhesive film and preparation method thereof | |
| CN102225644B (en) | Heat sealing film and preparation method thereof | |
| CN104924712A (en) | Self-supporting bag and composite film thereof | |
| CN101927590A (en) | Multilayer coextruded polyethylene film processed in down-blowing water-cooling ring film method | |
| CN105059707B (en) | A kind of aluminum foil sealing film and preparation method thereof | |
| CN105774167A (en) | Ultralow-temperature heat sealing casting polypropylene film and application thereof | |
| CN103085415A (en) | Packaging polyolefin film and preparation method thereof | |
| WO2017098953A1 (en) | Sealant film and packaging material | |
| CN102229269B (en) | Transparent steaming and boiling-resistant film and preparation method thereof | |
| WO2024022494A1 (en) | Barrier layer for packaging, and sheet-like composite layer for packaging and packaging container thereof | |
| CN106084379A (en) | A kind of shrink sleeve film automatically | |
| JP6970096B2 (en) | Resin composition and its uses | |
| JP2023165777A (en) | Packaging material and packaging product | |
| JP2010109349A (en) | Solar cell backside protective film, and solar cell module with the same | |
| CN108819380A (en) | It is a kind of can thermophilic digestion sterilization epiphragma | |
| US20200277418A1 (en) | Resin composition for laminated glass interlayer film or solar cell encapsulant, laminated glass interlayer film, laminated glass, solar cell encapsulant, and solar cell module | |
| CN110126407A (en) | Digestion resistant easy takes off film base material film, easily takes off film, preparation method comprising it | |
| JP2011077172A (en) | Sealing material sheet and solar battery module | |
| TW202045608A (en) | Resin composition for laminated glass interlayer, laminated glass interlayer, and laminated glass | |
| WO2023226936A1 (en) | Composite sheet for injection packaging, and preparation method therefor and use thereof | |
| JP2015098108A (en) | Method for manufacturing foam laminate, and the foam laminate | |
| CN102485783B (en) | Preparation method of linear low-density polyethylene |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |