CN1148292C - Bowl and cup paper cover strucure suitable for use in microwave oven and its making process - Google Patents
Bowl and cup paper cover strucure suitable for use in microwave oven and its making process Download PDFInfo
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- CN1148292C CN1148292C CNB011042435A CN01104243A CN1148292C CN 1148292 C CN1148292 C CN 1148292C CN B011042435 A CNB011042435 A CN B011042435A CN 01104243 A CN01104243 A CN 01104243A CN 1148292 C CN1148292 C CN 1148292C
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Abstract
The present invention relates to a bowl and cup paper cover structure suitable for use in microwave ovens and a making process thereof. The bowl and cup paper cover structure is a chartaceous sheet structure with the coextrusion of five layers; the base material of the first layer is copper printing paper with the thickness of 55 to 105 micrometers; a layer of polyester film with the thickness of 12 to 36 micrometers is glued on the bottom surface of the copper printing paper; a polyethylene film with low-density and the thickness of 10 to 25 micrometers is showered and film-pressed on the bottom surface of the second layer of the polyester film; an adhesive resin film with the thickness of 8 to 20 micrometers and an ethene-vinyl acetate film with the thickness of 10 to 35 micrometers are orderly showered and film-pressed on the bottom surface of the third layer of the polyethylene film with low-density for pressing the paper cover structure with the stacking layers of five laminated materials.
Description
Technical field
The present invention relates to paper lid product and manufacturing technology field thereof, refer in particular to a kind of bowl cup paper cover product and manufacture method thereof that is applicable to microwave.
Background technology
At present commercially available bowl (cup) fast food steeps face or brews food, because of it has the convenience that brews fast food, so the utmost point gets consumer reception.And generally adopt the instant food of bowl (cup) splendid attire, and preserve moistureproof and be easy to be incubated the usefulness of stewing delicatessen for reaching, so the bottom surface pressing of bowl (cup) paper commonly used lid has a metal aluminum foil layer, the heat energy that energy will brew aqueous vapor reflects and is stored in bowl (cup) container.Its major defect is: the bowl with metal aluminum foil layer (cup) paper lid commonly used, be not suitable for heating in the micro-wave oven, because its metal aluminum foil layer can be penetrated by the reflected electromagnetic width of cloth, cause the effect that it not only can't reach food in heating using microwave bowl (cup) container, can cause damaging microwave stove on the contrary.Therefore, how to develop a kind of bowl cup paper cover that is suitable for heating using microwave, just become the problem that must solve.
At above-mentioned defective, the inventor through concentrating on studies improvement, creates technical scheme of the present invention with its research and development and manufacturing experience of being engaged in bowl (cup) fast food packaged food for many years.
Summary of the invention
Main purpose of the present invention is to provide a kind of bowl cup paper cover product and manufacture method thereof that is applicable to microwave, its method for making method is to be the surperficial coating adhesive of polyester film (PET) of 12-36 micron prior to a layer thickness, again it is dried by the fire to leather hard, then the art paper that with a layer thickness is the 55-105 micron is glued on this polyester film, use pouring film extruder to extrude high-temperature low-density polyethylene (LDPE) film of a layer thickness as the 10-25 micron, and drench the semi-finished product that mould is combined into three laminated timbers with this polyester film top layer, then utilize two groups to drench the film extruders and drench film respectively and extrude ethylene-vinyl acetate (EVA) film that thickness is the 10-35 micron for the high temperature property followed resin (surlyn) film and the thickness of 8-20 micron, and mould is drenched should the high temperature property followed resin (surlyn) film and this ethylene-vinyl acetate (EVA) film in half-finished low density polyethylene (LDPE) (LDPE) film top layer of this three laminated timber high temperature in regular turn, and via the pressing typing of cooling off roller, it is the semi-finished product of five laminated timbers that the pressing lamination batches, thereupon, via steps such as chromaticity printing and drawings, be made into integration bowl (cup) the paper lid finished product of five laminated timbers that are suitable for heating using microwave, and that its paper lid finished product has a moisture resistance is good, oil resistivity is good, advantages such as the good and good strength of fissility reach the purpose that is applicable to micro-wave oven and improves its effective utilization.
The object of the present invention is achieved like this: a kind of bowl cup paper cover product that is applicable to microwave, it is characterized in that: it is the papery flake structure that five-layer co-squeezing is pressed, its ground floor base material is that thickness is the art paper of 55-105 micron, glue together the polyester film that a layer thickness is the 12-36 micron in this art paper bottom surface, drenching mould unification layer thickness in this second layer polyester film bottom surface is the low-density polyethylene film of 10-25 micron, the then property resin film and the thickness that drench mould unification layer thickness in the 3rd layer of low-density polyethylene film bottom surface in regular turn and be the 8-20 micron are the ethylene-vinyl acetate film of 10-35 micron, and the pressing lamination is the paper lid structure of five laminated timbers.
The present invention also provides a kind of manufacture method that is applicable to the bowl cup paper cover product of microwave, and it is characterized in that: it comprises the steps:
(1) is the last bonding agent of surface coating of the polyester film of 12-36 micron at first, dries by the fire to leather hard via the bonding agent of drying unit again this polyester film surface in a layer thickness;
(2) be that the art paper of 55-105 micron glues together on this polyester film with a layer thickness, and lamination batch the semi-finished product into two laminated timbers;
(3) utilize pouring film extruder to drench film and extrude the high-temperature low-density polyethylene film of a layer thickness for the 10-25 micron, half-finished polyester film top layer of this pair laminated timber and this high-temperature low-density polyethylene film drench mould and close, and via the pressing typing of cooling off roller, and the pressing lamination is the semi-finished product of three laminated timbers;
(4) utilize two groups to drench the film extruders and drench film respectively and extrude thickness and be the high temperature property the followed resin film of 8-20 micron and thickness ethylene-vinyl acetate film for the 10-35 micron, half-finished low-density polyethylene film top layer of this three laminated timber, high temperature drenches mould should follow property resin film and this ethylene-vinyl acetate film in regular turn, and via the pressing typing of cooling roller, and the pressing lamination to batch be the semi-finished product of five laminated timbers;
(5) in the required character pattern of this top layer art paper surface chromaticity printing;
(6) punching press cuts and puts in order out bowl (cup) paper lid finished product.
The temperature of this baking universe device is 50-70 ℃.The film that this step (1) is selected for use is the extended polypropylene film of 15-25 micron.The temperature of the pouring film extruder of this step (3) is between 320-345 ℃.The temperature of the pouring film extruder of this step (4) is between 190-240 ℃.
Major advantage of the present invention is that its paper lid finished product has that moisture resistance is good, oil resistivity good, fissility is good and advantage such as good strength, is applicable to micro-wave oven and improves its effective utilization; Its manufacture method has advantage simply and easily.
Further specify below in conjunction with preferred embodiment and accompanying drawing.
Description of drawings
Fig. 1 is a manufacturing process schematic diagram of the present invention.
Fig. 2 is a dry type gluing processing procedure schematic diagram of the present invention.
Fig. 3 is a pouring film gluing processing procedure schematic diagram of the present invention.
Fig. 4 is the generalized section of bowl cup paper cover product of the present invention.
The specific embodiment
Consult Fig. 1-shown in Figure 4, the present invention is relevant a kind of bowl cup paper cover product and manufacture method thereof that is applicable to microwave, and its bowl (cup) paper lid product is the papery flake structure that is the five-layer co-squeezing pressure, and its manufacture method comprises the following steps:
(1) is the last bonding agent 21 of surface coating of the polyester film (PET) 20 of 12-36 micron in a layer thickness at first, is delivered to a baking universe device 22 via roller again, and dries by the fire to leather hard with the bonding agent 21 of 50-70 ℃ of temperature with this polyester film surface; Certainly this polyester film can be that extended polypropylene (OPP) film of 15-50 micron substitutes by thickness, has same effect.
(2) then, through one group of pressing roller 23, be the art paper 10 and these polyester film 20 pressing laminations of 55-105 micron, and batch semi-finished product 25 into two laminated timbers with a layer thickness;
(3) the pouring film extruder 31 that utilizes one group of temperature to be 320-345 ℃ drenches the high-temperature low-density polyethylene film 30 of crowded extrusion one layer thickness of film for the 10-25 micron, and the polyester film 20 of the semi-finished product 25 of this pair laminated timber drenches mould with this high-temperature low-density polyethylene film 30 and closes, and via the pressing fixating shape step of cooling roller 33, and with its pressing lamination semi-finished product 35 that are three laminated timbers;
(4) the pouring film extruder 41,51 that utilizes two groups of temperature to be 190-240 ℃ drenches film respectively and extrudes two floor height temperature thicknesses and be the high temperature property the followed resin film 40 of 8-20 micron and the thickness ethylene-vinyl acetate film 50 for the 10-35 micron, and 30 layers of the low-density polyethylene films of the semi-finished product 35 of this three laminated timber, then being the high temperature property followed resin film 40 and ethylene-vinyl acetate film 50 with this respectively in regular turn drenches moulds and closes, and, be the semi-finished product 55 (as shown in Figure 4) of five laminated timbers and its pressing lamination is batched via the pressing fixating shape step that cools off roller 53;
(5) in the required character pattern of top layer art paper 10 surperficial chromaticity printings of the semi-finished product 55 of this five laminated timber;
(6) device is cut off in utilization, cuts with decompressor and puts in order out bowl (cup) paper lid finished product, is beneficial to the package handling that carries out follow-up bowl (cup) food;
Value explains the main points briefly as follows on relevant major technique content of the present invention and the industry thereof:
The present invention is bowl cup paper cover product and the manufacture method thereof that is applicable to microwave, the art paper 10 that with thickness is the 55-105 micron is base material, with dry type gluing mode and a thickness is the semi-finished product 25 that the polyester film 20 of 12-36 micron composes two laminated timbers, then, drench mould in the top layer high temperature of the polyester film 20 of the semi-finished product 25 of this pair laminated timber and close the low-density polyethylene film 30 that a thickness is the 10-25 micron, the pressing lamination is made the semi-finished product 35 of three laminated timbers, then in the top layer of the low-density polyethylene film 30 of the semi-finished product 35 of this three laminated timber in regular turn high temperature drench mould and close the ethylene-vinyl acetate film 50 that the high temperature property followed resin film 40 that thickness is the 8-20 micron and thickness are the 10-35 micron, the pressing lamination is made the semi-finished product 55 of five laminated timbers, last the present invention cuts whole grade for processing procedure by chromaticity printing and punching press again, and bowl (cup) paper that is made into integration containing metal aluminium foil not and is suitable for five laminated timbers of heating using microwave covers finished product.
Made bowl (cup) the paper lid finished product of the present invention has following actual effect:
(1) is applicable to heating using microwave, after promptly in Paper bowl (cup) container, adding cold water and covering bowl (cup) paper lid of the present invention, can directly put into the micro-wave oven heat food, bowl (cup) the paper lid of avoiding using always is because of the reflection electromagnetic wave effect of its metal aluminum foil layer, and cause can't heating using microwave shortcoming;
(2) have the good effect of moisture resistance, it can avoid bowl (cup) packaged food softening shortcoming that goes bad of making moist;
(3) oil resistivity is preferable, and it can prevent the situation that oil stain soup juice oozes out or overflows;
(4) strengthen the rerum natura that paper covers, the paper lid of its five-layer structure can prevent the shortcoming of lid temperature distortion;
(5) fissility is preferable, raises bowl (cup) paper when lid in tearing, and does not have the lid residue and is stained with and sticks at bowl (cup) container apical margin, and specifically improve the advantage of its effective utilization;
(6) meet environmental protection resource recovering condition, bowl (cup) paper cover material promptly of the present invention all belongs to recyclable user again, and then meets the value on the industry.
In sum, disclosed a kind of bowl cup paper cover product and manufacture method thereof that is applicable to microwave, bowl (cup) the paper lid of five laminated timbers that it is made, really specifically improve the shortcoming that the common paper lid can't heating using microwave, and it also can strengthen the rerum natura of paper lid structure, and its overall process step and materials processing flow process also have novelty and creativeness, meet the value on the industry.
Claims (6)
1, a kind of bowl cup paper cover product that is applicable to microwave, it is characterized in that: it is the papery flake structure that five-layer co-squeezing is pressed, its ground floor base material is that thickness is the art paper of 55-105 micron, glue together the polyester film that a layer thickness is the 12-36 micron in this art paper bottom surface, drenching mould unification layer thickness in this second layer polyester film bottom surface is the low-density polyethylene film of 10-25 micron, the then property resin film and the thickness that drench mould unification layer thickness in the 3rd layer of low-density polyethylene film bottom surface in regular turn and be the 8-20 micron are the ethylene-vinyl acetate film of 10-35 micron, and the pressing lamination is the paper lid structure of five laminated timbers.
2, a kind of manufacture method that is applicable to the bowl cup paper cover product of microwave, it is characterized in that: it comprises the steps:
(1) is the last bonding agent of surface coating of the polyester film of 12-36 micron at first, dries by the fire to leather hard via the bonding agent of drying unit again this polyester film surface in a layer thickness;
(2) be that the art paper of 55-105 micron glues together on this polyester film with a layer thickness, and lamination batch the semi-finished product into two laminated timbers;
(3) utilize pouring film extruder to drench film and extrude the high-temperature low-density polyethylene film of a layer thickness for the 10-25 micron, half-finished polyester film top layer of this pair laminated timber and this high-temperature low-density polyethylene film drench mould and close, and via the pressing typing of cooling off roller, the pressing lamination is the semi-finished product of three laminated timbers;
(4) utilize two groups to drench the film extruders and drench film respectively and extrude thickness and be the high temperature property the followed resin film of 8-20 micron and thickness ethylene-vinyl acetate film for the 10-35 micron, half-finished low-density polyethylene film top layer of this three laminated timber, high temperature drenches mould should follow property resin film and this ethylene-vinyl acetate film in regular turn, and via the pressing typing of cooling off roller, it is the semi-finished product of five laminated timbers that the pressing lamination batches;
(5) in the required character pattern of this top layer art paper surface chromaticity printing;
(6) punching press cuts and puts in order out bowl or cup paper cover finished product.
3, the manufacture method that is applicable to the bowl cup paper cover product of microwave as claimed in claim 2, it is characterized in that: the temperature of this baking universe device is 50-70 ℃.
4, the manufacture method that is applicable to the bowl cup paper cover product of microwave as claimed in claim 2, it is characterized in that: the film that this step (1) is selected for use is the extended polypropylene film of 15-25 micron.
5, the manufacture method that is applicable to the bowl cup paper cover product of microwave as claimed in claim 2, it is characterized in that: the temperature of the pouring film extruder of this step (3) is between 320-345 ℃.
6, the manufacture method that is applicable to the bowl cup paper cover product of microwave as claimed in claim 2, it is characterized in that: the temperature of the pouring film extruder of this step (4) is between 190-240 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011042435A CN1148292C (en) | 2001-02-23 | 2001-02-23 | Bowl and cup paper cover strucure suitable for use in microwave oven and its making process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011042435A CN1148292C (en) | 2001-02-23 | 2001-02-23 | Bowl and cup paper cover strucure suitable for use in microwave oven and its making process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1370679A CN1370679A (en) | 2002-09-25 |
| CN1148292C true CN1148292C (en) | 2004-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011042435A Expired - Fee Related CN1148292C (en) | 2001-02-23 | 2001-02-23 | Bowl and cup paper cover strucure suitable for use in microwave oven and its making process |
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| Country | Link |
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| CN (1) | CN1148292C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4542309B2 (en) * | 2002-12-25 | 2010-09-15 | カイト化学工業株式会社 | Laminate film for pulp mold |
| CN101581061B (en) * | 2008-05-13 | 2010-11-03 | 上海纳尔实业有限公司 | Fabricating method of air vent vehicle body paste |
| CN102717561A (en) * | 2012-07-03 | 2012-10-10 | 太仓高腾复合材料有限公司 | High-strength water-proof durable composite material and preparation method thereof |
| CN102717683A (en) * | 2012-07-03 | 2012-10-10 | 太仓高腾复合材料有限公司 | Highly heat-insulating environment-friendly sun block and manufacturing method thereof |
| CN104057662A (en) * | 2014-06-25 | 2014-09-24 | 金石包装（嘉兴）有限公司 | Laminating aluminum plastic composite membrane with patterns on inner surface and production method thereof |
| CN105795305A (en) * | 2014-12-29 | 2016-07-27 | 张维尹 | Bacteriostasis mildew-resistant fresh-keeping sheet |
| CN104608459B (en) * | 2015-02-11 | 2017-01-18 | 佛山市南海区新永泰胶粘制品有限公司 | Manufacturing technology of paper-plastic composite membrane for food packaging |
| CN114654645A (en) * | 2022-04-11 | 2022-06-24 | 沈阳丰禾包装有限公司 | Preparation method of PE regenerated guard plate |
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2001
- 2001-02-23 CN CNB011042435A patent/CN1148292C/en not_active Expired - Fee Related
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| CN1370679A (en) | 2002-09-25 |
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