CN109049907A - Food packaging plastic sheet/PE film composite material and preparation method - Google Patents

Food packaging plastic sheet/PE film composite material and preparation method Download PDF

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Publication number
CN109049907A
CN109049907A CN201810685807.1A CN201810685807A CN109049907A CN 109049907 A CN109049907 A CN 109049907A CN 201810685807 A CN201810685807 A CN 201810685807A CN 109049907 A CN109049907 A CN 109049907A
Authority
CN
China
Prior art keywords
plastic sheet
film
sheet material
monolayer
composite material
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.)
Withdrawn
Application number
CN201810685807.1A
Other languages
Chinese (zh)
Inventor
王兴吉
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.)
Dalian Jiaxing Plastic Co Ltd
Original Assignee
Dalian Jiaxing Plastic 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 Dalian Jiaxing Plastic Co Ltd filed Critical Dalian Jiaxing Plastic Co Ltd
Priority to CN201810685807.1A priority Critical patent/CN109049907A/en
Publication of CN109049907A publication Critical patent/CN109049907A/en
Withdrawn legal-status Critical Current

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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
    • 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
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • B29C65/521—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive by spin coating
    • 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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
    • 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
    • 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
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/406—Bright, glossy, shiny surface
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)

Abstract

The present invention discloses a kind of food packaging plastic sheet/PE film composite material, has monolayer plastic sheet material, the monolayer plastic sheet material is directly compound with PE film, and the thickness of PE film is at least 0.03mm.Preparation method successively carries out in accordance with the following steps: PE film roll cylinder being placed in double pressing ends of i.e. painting type laminating machine, monolayer plastic sheet material reel drum is placed in the gluing end of i.e. painting type laminating machine；Monolayer plastic sheet material passes through lick roller kiss-coating；Monolayer plastic sheet material after kiss-coating enters drying box, is dried surface glue with 30 ~ 40 DEG C；The monolayer plastic sheet material of drying is sent to double pressing ends and PE film and is bonded；Winding.Operation of the present invention is simple, due to, without PP and EVOH, therefore greatly reducing product cost (50% or more), and improve transparent plastic sheet material transparency and product surface glossiness in composite material.

Description

Food packaging plastic sheet/PE film composite material and preparation method
Technical field
The present invention relates to a kind of food packaging material, especially a kind of easy to operate, low cost, product surface gloss beauty Food packaging plastic sheet/PE the film composite material and preparation method seen.
Background technique
Currently, the inner surface for being applied to the food package boxes such as fresh meat controlled atmospheric packing, aquatic products and vacuum stretching box is PE film, Production method is formed into after the composite material for being covered with PE film and box body is made by inhaling vacuum forming, and composite material therein can be used I.e. painting type laminating machine is completed.That is the technique of painting type laminating machine mainly unreels, glue be coated and dried, be compound, winding etc., i.e., will Plastic film reel is placed in the gluing end of i.e. painting type laminating machine, and monolayer plastic sheet material (PET, PP or PS etc.) reel is placed in and is applied Then plastic film is entered back into drying box, by lick roller kiss-coating with 70 DEG C or so of temperature by double pressing ends of type laminating machine Plastic film surface glue is dried, then the plastic film of drying is sent to double pressing ends and plastic sheet and is bonded, winding.
Low Temperature Thermal sealer since PE film is very thin, such as by kiss-coating, drying and etc. and it is directly compound with plastic sheet, i.e., So that drying box temperature is down to 20 DEG C, PE film also will appear cross-direction shrinkage, longitudinal extensional and can not entirely overlay on plastic sheet Material surface.Therefore existing preparation method is first will to pass through multi-layer co-extruded formation PP/EVOH/PE composite plastic containing PE, PP and EVOH Expect film, is then again overlayed on PP/EVOH/PE composite membrane on plastic sheet by being painting type laminating machine, so that PE film position In the inner surface of packing box.The PP/EVOH/PE composite plastic film existing market price of high price is that (32600 yuan/ton) directly mention The cost of packing box material is risen, and reduces transparent plastic sheet material transparency and product surface glossiness.
Summary of the invention
The present invention be in order to solve above-mentioned technical problem present in the prior art, provide a kind of easy to operate, low cost, Food packaging plastic sheet/PE the film composite material and preparation method of product surface gloss beauty.
The technical solution of the invention is as follows: a kind of food packaging plastic sheet/PE film composite material has monolayer plastic Sheet material, the monolayer plastic sheet material is directly compound with PE film, and the thickness of the PE film is at least 0.03mm.
The monolayer plastic sheet material is PET, PP or PS.
A kind of preparation method of above-mentioned food packaging plastic sheet/PE composite material, it is characterised in that successively according to such as Lower step carries out:
A., PE film roll cylinder is placed in double pressing ends of i.e. painting type laminating machine, monolayer plastic sheet material reel drum is placed in i.e. painting type overlay film The gluing end of machine；
B. monolayer plastic sheet material passes through lick roller kiss-coating；
C. the monolayer plastic sheet material after kiss-coating enters drying box, is dried surface glue with 30 ~ 40 DEG C；
D. the monolayer plastic sheet material of drying is sent to double pressing ends and PE film and is bonded；
E. it winds.
The present invention has overturned the preparation method that conventional plastic sheet material covers PE film, and PE film roll cylinder is placed in double pressures of i.e. painting type laminating machine End is closed, plastic sheet reel is placed in the gluing end of i.e. painting type laminating machine, and by adjusting the temperature of dryer (30 ~ 40 DEG C), So that the PE film of price lower (15000 yuan/ton) directly can entirely overlay on monolayer plastic sheet material, food package box use is made Composite material, it is easy to operate.Due to, without PP and EVOH, therefore greatly reducing product cost, and improve transparent in composite material Plastic sheet transparency and product surface glossiness.
Detailed description of the invention
Fig. 1 is the food packaging plastic sheet of the embodiment of the present invention/PE film composite material sectional view.
Specific embodiment
Embodiment 1:
Food packaging plastic sheet/PE composite material preparation method of the invention successively carries out in accordance with the following steps:
A. it will be placed in double pressing ends of existing i.e. painting type laminating machine with a thickness of the PE film roll cylinder of 0.03mm, single-layer PET sheet material is rolled up Cylinder is placed in the gluing end of i.e. painting type laminating machine；
B. single-layer PET sheet material passes through lick roller kiss-coating；
C. the single-layer PET sheet material after kiss-coating enters drying box, and adjustment drying box temperature is 30 DEG C, by surface drying adhesive；
D. the single-layer PET sheet material of drying is sent to double pressing ends and PE film and is bonded；
E. it winds.
Composite material as shown in Figure 1 is made, i.e. monolayer plastic sheet material 1 is directly compound with PE film 2.
Embodiment 2:
Food packaging plastic sheet/PE composite material preparation method of the invention successively carries out in accordance with the following steps:
A. it will be placed in double pressing ends of existing i.e. painting type laminating machine with a thickness of the PE film roll cylinder of 0.035mm, single layer PP sheet material is rolled up Cylinder is placed in the gluing end of i.e. painting type laminating machine；
B. single layer PP sheet material passes through lick roller kiss-coating；
C. the single layer PP sheet material after kiss-coating enters drying box, and adjustment drying box temperature is 35 DEG C, by surface drying adhesive；
D. the single layer PP sheet material of drying is sent to double pressing ends and PE film and is bonded；
E. it winds.
Composite material as shown in Figure 1 is made, i.e. monolayer plastic sheet material 1 is directly compound with PE film 2.
Embodiment 3:
Food packaging plastic sheet/PE composite material preparation method of the invention successively carries out in accordance with the following steps:
A. it will be placed in double pressing ends of existing i.e. painting type laminating machine with a thickness of the PE film roll cylinder of 0.04mm, single layer PS sheet material is rolled up Cylinder is placed in the gluing end of i.e. painting type laminating machine；
B. single layer PS sheet material passes through lick roller kiss-coating；
C. the single layer PS sheet material after kiss-coating enters drying box, and adjustment drying box temperature is 40 DEG C, by surface drying adhesive；
D. the single layer PS sheet material of drying is sent to double pressing ends and PE film and is bonded；
E. it winds.
Composite material as shown in Figure 1 is made, i.e. monolayer plastic sheet material 1 is directly compound with PE film 2.

Claims (3)

1. a kind of food packaging plastic sheet/PE film composite material, has monolayer plastic sheet material (1), it is characterised in that: the list Layer plastic sheet (1) is directly compound with PE film (2), and the thickness of the PE film (2) is at least 0.03mm.
2. food packaging plastic sheet/PE film composite material according to claim 1, it is characterised in that: the single layer modeling Media sheet (1) is PET, PP or PS.
3. a kind of preparation method of food packaging plastic sheet/PE film composite material as described in claim 1, it is characterised in that Successively carry out in accordance with the following steps:
A., PE film roll cylinder is placed in double pressing ends of i.e. painting type laminating machine, monolayer plastic sheet material reel drum is placed in i.e. painting type overlay film The gluing end of machine；
B. monolayer plastic sheet material passes through lick roller kiss-coating；
C. the monolayer plastic sheet material after kiss-coating enters drying box, is dried surface glue with 30 ~ 40 DEG C；
D. the monolayer plastic sheet material of drying is sent to double pressing ends and PE film and is bonded；
E. it winds.
CN201810685807.1A 2018-06-28 2018-06-28 Food packaging plastic sheet/PE film composite material and preparation method Withdrawn CN109049907A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810685807.1A CN109049907A (en) 2018-06-28 2018-06-28 Food packaging plastic sheet/PE film composite material and preparation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810685807.1A CN109049907A (en) 2018-06-28 2018-06-28 Food packaging plastic sheet/PE film composite material and preparation method

Publications (1)

Publication Number Publication Date
CN109049907A true CN109049907A (en) 2018-12-21

Family

ID=64818271

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810685807.1A Withdrawn CN109049907A (en) 2018-06-28 2018-06-28 Food packaging plastic sheet/PE film composite material and preparation method

Country Status (1)

Country Link
CN (1) CN109049907A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1153697A (en) * 1996-01-03 1997-07-09 苏州塑料四厂 Prodn process and equipment for composite double-layer plastics sheet
CN102825877A (en) * 2012-09-13 2012-12-19 光明乳业股份有限公司 Multi-layer plastic composite isolating sheet and production process thereof
CN103481626A (en) * 2013-08-16 2014-01-01 杭州塑料工业有限公司 Production technology of polyvinyl chloride (PVC)/polyethylene (PE)/polyvinyl dichloride (PVDC) composite piece
CN104309269A (en) * 2014-10-31 2015-01-28 四川汇利实业有限公司 Preparation method of PET/PE (polyethylene terephthalate/polyethylene) composite hard sheet for medicine packaging
CN104960764A (en) * 2015-04-30 2015-10-07 广东金榜塑料包装有限公司 PET transparent sheet and composite PE film modified atmosphere packaging material used for food packaging and manufacturing method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1153697A (en) * 1996-01-03 1997-07-09 苏州塑料四厂 Prodn process and equipment for composite double-layer plastics sheet
CN102825877A (en) * 2012-09-13 2012-12-19 光明乳业股份有限公司 Multi-layer plastic composite isolating sheet and production process thereof
CN103481626A (en) * 2013-08-16 2014-01-01 杭州塑料工业有限公司 Production technology of polyvinyl chloride (PVC)/polyethylene (PE)/polyvinyl dichloride (PVDC) composite piece
CN104309269A (en) * 2014-10-31 2015-01-28 四川汇利实业有限公司 Preparation method of PET/PE (polyethylene terephthalate/polyethylene) composite hard sheet for medicine packaging
CN104960764A (en) * 2015-04-30 2015-10-07 广东金榜塑料包装有限公司 PET transparent sheet and composite PE film modified atmosphere packaging material used for food packaging and manufacturing method thereof

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Application publication date: 20181221

WW01 Invention patent application withdrawn after publication