CN107718771A - A kind of PET PA CPP laminated films and its preparation technology - Google Patents
A kind of PET PA CPP laminated films and its preparation technology Download PDFInfo
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- CN107718771A CN107718771A CN201711002696.1A CN201711002696A CN107718771A CN 107718771 A CN107718771 A CN 107718771A CN 201711002696 A CN201711002696 A CN 201711002696A CN 107718771 A CN107718771 A CN 107718771A
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- 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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
- B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
-
- 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
- B32B27/08—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 of synthetic resin
-
- 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
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J171/00—Adhesives based on polyethers obtained by reactions forming an ether link in the main chain; Adhesives based on derivatives of such polymers
- C09J171/02—Polyalkylene oxides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J179/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09J161/00 - C09J177/00
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
-
- 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
-
- 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
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of PET PA CPP laminated films and its preparation technology, laminated film is combined by outer membrane, core layer film, heat-sealing layer film using solvent-free binding agent；Preparation technology includes：The PET resin is handled through biaxial tension, obtains outer membrane；The PA resins are handled through biaxial tension, obtain core layer film；The CPP resins are handled through curtain coating, obtain sealing layer film；Solvent-free bonding agent is coated on outer membrane, core layer film is bonded, then solvent-free bonding agent is coated on core layer film again, fitting heat-sealing layer film, PET/PA/CPP composite membrane semi-finished product is formed, gained composite membrane semi-finished product maturation process produces.PET/PA/CPP laminated films produced by the present invention have applications well in high-temperature cooking food packaging bag.
Description
Technical field
The present invention relates to CPP film applications, a kind of specific PET-PA-CPP laminated films and its preparation technology.
Background technology
With expanding economy, the demand and output of instant food constantly expand, the demand of high-temperature cooking food
Constantly expand with output, have high-barrier, impact, thermophilic digestion resistance, high pressure resistant, resistance to medium packaging for foodstuff thin
Film has outstanding application prospect.
Digestion resistant film article will pass through thermophilic digestion and sterilize, and should select 121 DEG C of high temperature resistant, 135 DEG C of superhigh temperature resistant
Cooking adhesive, it is impossible to using common adhesives, otherwise laminated film will separate less than 80 DEG C, and peel strength is extremely low.
Therefore, it is necessary to prepare a kind of solvent-free laminated film, there is the performance used safely under the high temperature conditions.
The content of the invention
It is an object of the invention to provide a kind of PET-PA-CPP laminated films and its preparation technology.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of PET/PA/CPP laminated films, solvent-free binding agent is used by outer membrane, core layer film, heat-sealing layer film
It is combined；
Wherein, the outer membrane is prepared by PET resin；The core layer film is prepared by PA resins；It is described
Heat-sealing layer film is prepared by CPP resins；The solvent-free binding agent is formed by component A and component B compoundings；The component A
By 75 parts -100 parts of tetrapentaerythritol vinegar, 80 parts -130 parts of polyethylene glycol oxygen vinethene, 50 parts -100 parts of poly hexamethylene biguanide
It is prepared；The component B is by 20 parts -50 parts of formamide, 10 parts -30 parts of dilauryl thiodipropionate, phthalic acid two
50 parts -80 parts of formicester is prepared.
Described PET/PA/CPP laminated films, outer layer, sandwich layer, the weight ratio of hot sealing layer are：1.5-2.0∶1.5-2.5∶
5.5-8.5。
The preparation method of the solvent-free binding agent, comprises the following steps：
Step a, under vacuum, the tetrapentaerythritol vinegar of the parts by weight, poly hexamethylene biguanide are mixed,
1h-3h is stirred under 80r/min-120r/min rotating speed, then adds the polyethylene glycol oxygen vinethene of the parts by weight,
Continue to stir 20min-60min under 120r/min-180r/min rotating speed, to uniform mixing, obtain component A performed polymers, it is standby；
Step b, under vacuum, by the formamide, dilauryl thiodipropionate, phthalic acid of the parts by weight
Two formicesters are mixed, and 20min-60min is stirred under 150r/min-220r/min rotating speed, to uniform mixing, obtain component B, standby
With；
Step c, component B is added in component A performed polymers according to formula rate during use, is heated to 60 DEG C -80 DEG C, enters
Row curing process 24h-48h, it is 1500Pas-3000Pas to control binding agent viscosity, produces solvent-free binding agent.
In step c, the formula rate is：Component A and component B mass ratio is 1-5: 1.
A kind of described PET-PA-CPP laminated films, preparation method comprise the following steps：
Step S1, the PET resin is handled through biaxial tension, obtains outer membrane；By the PA resins through two-way drawing
Processing is stretched, obtains core layer film；The CPP resins are handled through curtain coating, obtain sealing layer film；
Step S2, solvent-free bonding agent is entered to the storage adhesive dispenser of compounding machine by glue feeding channel, by solvent-free binding agent
It is coated on outer membrane, is bonded core layer film, then solvent-free bonding agent is coated on core layer film again, is bonded hot sealing layer
Film, form PET/PA/CPP composite membrane semi-finished product, by gained composite membrane semi-finished product under 50 DEG C -70 DEG C of temperature conditionss it is ripe
Change processing 24h-72h, produce PET/PA/CPP laminated films.
Beneficial effects of the present invention：1. the solvent-free bonding agent preparing process that the present invention uses is simple, component ratio is controllable
Adjustable, range of viscosities is variable optional, can carry out strong bond to the thin-film material of a variety of different matrix, adhesive force is strong, resists and divides
Good from property, residual is low, and applicable system is extensive；
2. the film that the present invention is combined using tri- kinds of polymer base materials of PET/PA/CPP, big with structural strength, resistance to
The advantages that high-temperature behavior is good, and food compatibility is good, it is economic and environment-friendly, securely and reliably, recycle；
3. PET/PA/CPP laminated films produced by the present invention have applications well in high-temperature cooking food packaging bag.
Embodiment
The present invention is described in further detail with reference to specific embodiment.
Embodiment 1
A kind of PET-PA-CPP laminated films, preparation method comprise the following steps：
Step S1, the PET resin is handled through biaxial tension, obtains outer membrane；By the PA resins through two-way drawing
Processing is stretched, obtains core layer film；The CPP resins are handled through curtain coating, obtain sealing layer film；
Step S2, solvent-free bonding agent is entered to the storage adhesive dispenser of compounding machine by glue feeding channel, by solvent-free binding agent
It is coated on outer membrane, is bonded core layer film, then solvent-free bonding agent is coated on core layer film again, is bonded hot sealing layer
Film, PET/PA/CPP composite membrane semi-finished product are formed, by gained composite membrane semi-finished product under 60 DEG C of temperature conditionss at curing
72h is managed, produces PET/PA/CPP laminated films.
Wherein, the outer membrane is prepared by PET resin；The core layer film is prepared by PA resins；It is described
Heat-sealing layer film is prepared by CPP resins；The solvent-free binding agent is formed by component A and component B compoundings；The component A
By 75 parts of tetrapentaerythritol vinegar, 80 parts of polyethylene glycol oxygen vinethene, 50 parts of poly hexamethylene biguanide is prepared；The component B
By 20 parts of formamide, 10 parts of dilauryl thiodipropionate, 50 parts of phthalic acid dimethyl ester is prepared.
Described PET/PA/CPP laminated films, outer layer, sandwich layer, the weight ratio of hot sealing layer are：1.5∶2∶6.
The preparation method of the solvent-free binding agent, comprises the following steps：
Step a, under vacuum, the tetrapentaerythritol vinegar of the parts by weight, poly hexamethylene biguanide are mixed,
3h is stirred under 100r/min rotating speed, the polyethylene glycol oxygen vinethene of the parts by weight is then added, in 180r/min rotating speed
Under continue to stir 40min, to uniform mixing, obtain component A performed polymers, it is standby；
Step b, under vacuum, by the formamide, dilauryl thiodipropionate, phthalic acid of the parts by weight
Two formicesters are mixed, and 40min is stirred under 200r/min rotating speed, to uniform mixing, obtain component B, standby；
Step c, component B is added in component A performed polymers according to formula rate during use, is heated to 70 DEG C, consolidate
Change processing 48h, it is 1500Pas-3000Pas to control binding agent viscosity, produces solvent-free binding agent.
In step c, the formula rate is：Component A and component B mass ratio is 3: 1.
Embodiment 2
A kind of PET-PA-CPP laminated films, preparation method comprise the following steps：
Step S1, the PET resin is handled through biaxial tension, obtains outer membrane；By the PA resins through two-way drawing
Processing is stretched, obtains core layer film；The CPP resins are handled through curtain coating, obtain sealing layer film；
Step S2, solvent-free bonding agent is entered to the storage adhesive dispenser of compounding machine by glue feeding channel, by solvent-free binding agent
It is coated on outer membrane, is bonded core layer film, then solvent-free bonding agent is coated on core layer film again, is bonded hot sealing layer
Film, PET/PA/CPP composite membrane semi-finished product are formed, by gained composite membrane semi-finished product under 60 DEG C of temperature conditionss at curing
72h is managed, produces PET/PA/CPP laminated films.
Wherein, the outer membrane is prepared by PET resin；The core layer film is prepared by PA resins；It is described
Heat-sealing layer film is prepared by CPP resins；The solvent-free binding agent is formed by component A and component B compoundings；The component A
By 100 parts of tetrapentaerythritol vinegar, 130 parts of polyethylene glycol oxygen vinethene, 100 parts of poly hexamethylene biguanide is prepared；Described group
B is divided to be prepared by 50 parts of formamide, 30 parts of dilauryl thiodipropionate, 80 parts of phthalic acid dimethyl ester.
Described PET/PA/CPP laminated films, outer layer, sandwich layer, the weight ratio of hot sealing layer are：1.5∶2.5∶8.
The preparation method of the solvent-free binding agent, comprises the following steps：
Step a, under vacuum, the tetrapentaerythritol vinegar of the parts by weight, poly hexamethylene biguanide are mixed,
1h is stirred under 80r/min rotating speed, the polyethylene glycol oxygen vinethene of the parts by weight is then added, under 180r/min rotating speed
Continue to stir 60min, to uniform mixing, obtain component A performed polymers, it is standby；
Step b, under vacuum, by the formamide, dilauryl thiodipropionate, phthalic acid of the parts by weight
Two formicesters are mixed, and 40min is stirred under 200r/min rotating speed, to uniform mixing, obtain component B, standby；
Step c, component B is added in component A performed polymers according to formula rate during use, is heated to 70 DEG C, consolidate
Change processing 48h, it is 1500Pas-3000Pas to control binding agent viscosity, produces solvent-free binding agent.
In step c, the formula rate is：Component A and component B mass ratio is 5: 1.
Embodiment 3
A kind of PET-PA-CPP laminated films, preparation method comprise the following steps：
Step S1, the PET resin is handled through biaxial tension, obtains outer membrane；By the PA resins through two-way drawing
Processing is stretched, obtains core layer film；The CPP resins are handled through curtain coating, obtain sealing layer film；
Step S2, solvent-free bonding agent is entered to the storage adhesive dispenser of compounding machine by glue feeding channel, by solvent-free binding agent
It is coated on outer membrane, is bonded core layer film, then solvent-free bonding agent is coated on core layer film again, is bonded hot sealing layer
Film, PET/PA/CPP composite membrane semi-finished product are formed, by gained composite membrane semi-finished product under 60 DEG C of temperature conditionss at curing
72h is managed, produces PET/PA/CPP laminated films.
Wherein, the outer membrane is prepared by PET resin；The core layer film is prepared by PA resins；It is described
Heat-sealing layer film is prepared by CPP resins；The solvent-free binding agent is formed by component A and component B compoundings；The component A
By 75 parts -100 parts of tetrapentaerythritol vinegar, 80 parts -130 parts of polyethylene glycol oxygen vinethene, 50 parts -100 parts of poly hexamethylene biguanide
It is prepared；The component B is by 20 parts -50 parts of formamide, 10 parts -30 parts of dilauryl thiodipropionate, phthalic acid two
50 parts -80 parts of formicester is prepared.
Described PET/PA/CPP laminated films, outer layer, sandwich layer, the weight ratio of hot sealing layer are：2.0∶2.5∶7.
The preparation method of the solvent-free binding agent, comprises the following steps：
Step a, under vacuum, the tetrapentaerythritol vinegar of the parts by weight, poly hexamethylene biguanide are mixed,
3h is stirred under 120r/min rotating speed, the polyethylene glycol oxygen vinethene of the parts by weight is then added, in 180r/min rotating speed
Under continue to stir 40min, to uniform mixing, obtain component A performed polymers, it is standby；
Step b, under vacuum, by the formamide, dilauryl thiodipropionate, phthalic acid of the parts by weight
Two formicesters are mixed, and 40min is stirred under 200r/min rotating speed, to uniform mixing, obtain component B, standby；
Step c, component B is added in component A performed polymers according to formula rate during use, is heated to 70 DEG C, consolidate
Change processing 48h, it is 1500Pas-3000Pas to control binding agent viscosity, produces solvent-free binding agent.
In step c, the formula rate is：Component A and component B mass ratio is 4: 1.
Above content is only citing made for the present invention and explanation, and affiliated those skilled in the art are to being retouched
The specific embodiment stated is made various modifications or supplement or substituted using similar mode, without departing from the design of invention
Or surmount scope defined in the claims, protection scope of the present invention all should be belonged to.
Claims (5)
1. a kind of PET/PA/CPP laminated films, it is characterised in that nothing is used by outer membrane, core layer film, heat-sealing layer film
Solvent bonding agent is combined；
Wherein, the outer membrane is prepared by PET resin；The core layer film is prepared by PA resins；The heat-sealing
Layer film is prepared by CPP resins；The solvent-free binding agent is formed by component A and component B compoundings；The component A is by four
75 parts -100 parts of pentaerythrite vinegar, 80 parts -130 parts of polyethylene glycol oxygen vinethene, 50 parts of -100 parts of preparations of poly hexamethylene biguanide
Form；The component B is by 20 parts -50 parts of formamide, 10 parts -30 parts of dilauryl thiodipropionate, phthalic acid dimethyl ester
50 parts -80 parts are prepared.
2. PET/PA/CPP laminated films according to claim 1, it is characterised in that the outer layer, sandwich layer, hot sealing layer
Weight ratio is：1.5-2.0：1.5-2.5：5.5-8.5.
3. PET/PA/CPP laminated films according to claim 1, it is characterised in that the preparation of the solvent-free binding agent
Method, comprise the following steps：
Step a, under vacuum, the tetrapentaerythritol vinegar of the parts by weight, poly hexamethylene biguanide are mixed, in 80r/
1h-3h is stirred under min-120r/min rotating speed, the polyethylene glycol oxygen vinethene of the parts by weight is then added, in 120r/
Continue to stir 20min-60min under min-180r/min rotating speed, to uniform mixing, obtain component A performed polymers, it is standby；
Step b, under vacuum, by the formamide of the parts by weight, dilauryl thiodipropionate, phthalic acid diformazan
Fat is mixed, and 20min-60min is stirred under 150r/min-220r/min rotating speed, to uniform mixing, obtains component B, standby；
Step c, component B is added in component A performed polymers according to formula rate during use, is heated to 60 DEG C -80 DEG C, consolidate
Change processing 24h-48h, it is 1500Pas-3000Pas to control binding agent viscosity, produces solvent-free binding agent.
4. PET/PA/CPP laminated films according to claim 3, it is characterised in that in step c, the formula rate
For：Component A and component B mass ratio is 1-5：1.
5. a kind of PET-PA-CPP laminated films according to claim 1, it is characterised in that preparation method includes following step
Suddenly：
Step S1, the PET resin is handled through biaxial tension, obtains outer membrane；By the PA resins through biaxial tension at
Reason, obtains core layer film；The CPP resins are handled through curtain coating, obtain sealing layer film；
Step S2, solvent-free bonding agent is entered to the storage adhesive dispenser of compounding machine by glue feeding channel, by solvent-free adhesive-coated
On outer membrane, core layer film is bonded, then solvent-free bonding agent is coated on core layer film again, fitting hot sealing layer is thin
Film, PET/PA/CPP composite membrane semi-finished product are formed, gained composite membrane semi-finished product are cured under 50 DEG C -70 DEG C of temperature conditionss
24h-72h is handled, produces PET/PA/CPP laminated films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711002696.1A CN107718771A (en) | 2017-10-24 | 2017-10-24 | A kind of PET PA CPP laminated films and its preparation technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711002696.1A CN107718771A (en) | 2017-10-24 | 2017-10-24 | A kind of PET PA CPP laminated films and its preparation technology |
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| Publication Number | Publication Date |
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| CN107718771A true CN107718771A (en) | 2018-02-23 |
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| CN201711002696.1A Pending CN107718771A (en) | 2017-10-24 | 2017-10-24 | A kind of PET PA CPP laminated films and its preparation technology |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1199158A1 (en) * | 2000-10-20 | 2002-04-24 | Alcan Technology & Management AG | Packaging material for sterile articles |
| CN106240032A (en) * | 2016-07-29 | 2016-12-21 | 诚德科技股份有限公司 | A kind of PET/PA/CPP laminated film and preparation technology thereof and application |
-
2017
- 2017-10-24 CN CN201711002696.1A patent/CN107718771A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1199158A1 (en) * | 2000-10-20 | 2002-04-24 | Alcan Technology & Management AG | Packaging material for sterile articles |
| CN106240032A (en) * | 2016-07-29 | 2016-12-21 | 诚德科技股份有限公司 | A kind of PET/PA/CPP laminated film and preparation technology thereof and application |
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