CN102230298B - Film coated paper and manufacturing method thereof - Google Patents
Film coated paper and manufacturing method thereof Download PDFInfo
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- CN102230298B CN102230298B CN 201110153066 CN201110153066A CN102230298B CN 102230298 B CN102230298 B CN 102230298B CN 201110153066 CN201110153066 CN 201110153066 CN 201110153066 A CN201110153066 A CN 201110153066A CN 102230298 B CN102230298 B CN 102230298B
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Abstract
The invention provides a manufacturing method for polyethylene-coated paper, which comprises the following steps of: blending an additive and a polyethylene master batch to form a mixed polyethylene-coated material; and coating the mixed polyethylene-coated material on the surface of a substrate to form the polyethylene-coated paper. The invention also provides the polyethylene-coated paper manufactured by the method.
Description
Technical field
The present invention relates to pulp technology for making paper, particularly a kind of leaching membrane paper and preparation method thereof.
Background technology
Leaching membrane paper is widely used in packing and printing etc. field because have good performances such as grease proofing and waterproof.In traditional leaching membrane paper preparation method, directly polyethylene is drenched film in the surface of base material, cause the thickness of polyethylene leaching membrane layer of formation bigger, and the binding ability between polyethylene leaching membrane layer and the substrate layer is relatively poor, cause the peel strength of the leaching membrane paper that obtains low, poor stability, and production cost is higher.
Therefore, be necessary to provide a kind of leaching membrane paper and preparation method thereof, the leaching membrane paper that makes by described method has higher peel strength and good stable, and can reduce the production cost of leaching membrane paper.
Summary of the invention
The invention provides a kind of preparation method of leaching membrane paper, comprise step: additive and polyethylene masterbatch are carried out blend, form and mix membrane coating material; And described mixing membrane coating material drenched film to substrate surface, form leaching membrane paper.
The present invention also provides a kind of leaching membrane paper, and described leaching membrane paper comprises base material and be formed at least one surperficial leaching membrane layer of base material that described leaching membrane layer is formed by the membrane coating material that mixes that additive and polyethylene masterbatch carry out blend.
The preparation method of the leaching membrane paper that the technical program provides, because forming with the polyethylene masterbatch, additive mixes membrane coating material, improve the surface property that forms leaching membrane layer, the leaching membrane layer of formation and the binding ability between the base material have been increased, thereby the peel strength that increases the leaching membrane layer of substrate surface formation increases, stability improves, and has good transparency and mechanical strength.And, because forming with the polyethylene masterbatch, additive mixes membrane coating material, make that drenching the film grammes per square metre can control in small range, thereby the thickness of the leaching membrane layer that control forms has reduced consumption of raw materials in the leaching membrane paper production process, has reduced production cost.Leaching membrane paper provided by the invention is formed because the leaching membrane layer that forms adopts additive and polyethylene masterbatch to carry out blend, and described leaching membrane paper has higher mechanical strength, good transparency.Described leaching membrane layer has higher peel strength and stability.
Description of drawings
Fig. 1 is the floor map of extruding compounding machine provided by the invention.
The main element symbol description
Extrude compounding machine 100
Screw rod is extruded district 120
Substrate layer die head 140
The following specific embodiment will further specify the present invention in conjunction with above-mentioned accompanying drawing.
The specific embodiment
The invention provides a kind of preparation method of leaching membrane paper, the preparation method of described leaching membrane paper may further comprise the steps:
The first step is carried out blend with additive and polyethylene masterbatch, forms to mix membrane coating material.
In this step, the polyethylene masterbatch of employing is that (Low density Polyethylene, LDPE), its density is less than every cubic centimetre of 0.925 gram for the low density polyethylene (LDPE) that drenches the film level.The additive that adopts comprises hot melt adhesive, stearic acid, Tissuemat E, inorganic particle and low density polyethylene (LDPE) (LDPE-1C7A).Wherein, hot melt adhesive can for the ethene-vinyl acetate hot melt adhesive (Ethylene-vinyl Acetate, EVA), the ethene hot melt adhesive (Polyethylene, PE) or the polyether sulfone hot melt adhesive (Polyethersulfone PES) etc., is preferably the EVA hot melt adhesive.Wherein said EVA hot melt adhesive shared mass percent in additive is 6% to 8%, described stearic acid shared mass percent in described additive is 2% to 4%, described Tissuemat E shared mass percent in described additive is 2% to 4%, described inorganic particle shared mass percent in described additive is 60% to 80%, and described LDPE-1C7A shared mass percent in described additive is 15% to 25%.In described mixing membrane coating material, described additive shared mass percent in described mixing membrane coating material is 5% to 10%.
Second step, described mixing membrane coating material is drenched film to substrate surface, form leaching membrane paper.
The base material that adopts can be common body paper.When selecting body paper, the thickness of the leaching membrane paper that can form according to desire and grammes per square metre etc. require to select different body paper.In this step, employing is extruded compounding machine 100 described mixing membrane coating material is drenched film to substrate surface.The described compounding machine 100 of extruding comprises that feed zone 110, screw rod extrude district 120, filter screen district 130, die head 140, silica gel roller 150 etc.Described feed zone 110, screw rod are extruded district 120, filter screen district 130, die head 140 connect setting successively.Described mixing membrane coating material enters the described compounding machine 100 of extruding from described feed zone 110, extrudes district's 120 heating and extruding through described screw rod, makes described mixing membrane coating material become molten condition.In this step, the temperature that the control screw rod is extruded district 110 and die head 140 is 180 degrees centigrade to 350 degrees centigrade.The mixing membrane coating material of extruding district's 120 molten states of extruding from screw rod barrier 130 is injected in the die head 140 after filtering after filtration, and is the film shape from die head 140 and evenly flows out.Described silica gel roller 150 is used for being positioned at the below of die head 140, is used for transmitting and supporting substrate.The continuous surface that is coated in base material of mixing membrane coating material of the film shape molten state that flows out from die head 140.In this step, screw rod extrude the district 110 and die head 140 between filter screen district 130 in be provided with two screen packs, the mesh of every screen pack is 40 to 50 orders.Air gap distance is 110 millimeters between silica gel roller 150 and the die head 140, does not solidify when flowing to substrate surface on the silica gel roller 150 with the mixing membrane coating material of the film shape molten state that prevents from flowing out from die head 140.When drenching film, set drenching film speed is 170 meters per minute to 190 meter per minutes, set drench the film grammes per square metre be every square metre of 8 gram to every square metre of 12 gram, drenching the film width is 950 millimeters to 1500 millimeters.Preferably, setting pouring film speed is 180 meters per minutes, and setting pouring film grammes per square metre is every square metre of 10 gram.The width that drenches the base material that the film width can select for use when drenching film is set.
Base material behind the pouring film successively by pressure roll and chill roll (not shown), is carried out pressing and cooling to the base material behind the pouring film successively, thereby obtains leaching membrane paper.
In order to obtain the two-sided leaching membrane paper that all is formed with leaching membrane layer, after this step, can also adopt identical method, also form leaching membrane layer on another surface of base material.
In the present invention, because forming with the polyethylene masterbatch, additive mixes membrane coating material, improved the surface property of the leaching membrane layer that forms, the leaching membrane layer of formation and the binding ability between the base material have been increased, thereby the peel strength that increases the leaching membrane layer of substrate surface formation increases, stability improves, and has good transparency and mechanical strength.And, because forming with the polyethylene masterbatch, additive mixes membrane coating material, make that drenching the film grammes per square metre can control in small range, thereby the thickness of the leaching membrane layer that control forms has reduced consumption of raw materials in the leaching membrane paper production process, has reduced production cost.
The present invention also provides a kind of leaching membrane paper, and described leaching membrane paper adopts the preparation method of above-mentioned leaching membrane paper to make.Described leaching membrane paper comprises base material and is formed at least one lip-deep leaching membrane layer of base material.Described leaching membrane layer carries out blend by additive and polyethylene masterbatch and forms.The polyethylene masterbatch that adopts is for drenching the LDPE of film level.The additive that adopts comprises EVA hot melt adhesive, stearic acid, Tissuemat E, inorganic particle and LDPE-1C7A.Wherein, EVA hot melt adhesive shared mass percent in additive is 6% to 8%, described stearic acid shared mass percent in described additive is 2% to 4%, described Tissuemat E shared mass percent in described additive is 2% to 4%, described inorganic particle shared mass percent in described additive is 60% to 80%, and described LDPE-1C7A shared mass percent in described additive is 15% to 25%.In described mixing membrane coating material, described additive shared mass percent in described mixing membrane coating material is 5% to 10%.The grammes per square metre of described leaching membrane layer be 8 the gram every square metre to 12 the gram every square metre.
Leaching membrane paper provided by the invention is formed because the leaching membrane layer that forms adopts additive and polyethylene masterbatch to carry out blend, and described leaching membrane paper has higher mechanical strength, good transparency.Described leaching membrane layer has higher peel strength and stability.
Leaching membrane paper of the technical program and preparation method thereof is not limited to aforementioned description, and those of ordinary skills can do other various corresponding changes and distortion according to the technical conceive of the technical program.But all these change the protection domain that all should belong to the application's claim with distortion.
Claims (13)
1. the preparation method of a leaching membrane paper comprises step:
Additive and polyethylene masterbatch are carried out blend, form and mix membrane coating material, wherein said additive is made up of hot melt adhesive, stearic acid, Tissuemat E, inorganic particle and low density polyethylene (LDPE), in described additive, the shared mass percent of described hot melt adhesive is 6% to 8%, the shared mass percent of described stearic acid is 2% to 4%, the shared mass percent of described Tissuemat E is 2% to 4%, the shared mass percent of described inorganic particle is 60% to 80%, and the shared mass percent of described low density polyethylene (LDPE) is 15% to 25%; And
Described mixing membrane coating material is drenched film to substrate surface, form leaching membrane paper.
2. the preparation method of leaching membrane paper as claimed in claim 1 is characterized in that, in described mixing membrane coating material, the shared mass percent of described additive is 5% to 10%.
3. the preparation method of leaching membrane paper as claimed in claim 1 is characterized in that, described polyethylene masterbatch is for drenching film level low density polyethylene (LDPE).
4. as the preparation method of each described leaching membrane paper of claim 1 to 3, it is characterized in that when drenching film, drench the film grammes per square metre and be every square metre of 8 gram to every square metre of 12 gram, drenching film speed is 170 meters per minute to 190 meter per minutes.
5. as the preparation method of each described leaching membrane paper of claim 1 to 3, it is characterized in that when drenching film, drenching the film grammes per square metre is every square metre of 10 gram, drenching film speed is 180 meters per minutes.
6. as the preparation method of each described leaching membrane paper of claim 1 to 3, it is characterized in that, employing is extruded compounding machine described mixing membrane coating material is drenched film to substrate surface, the described compounding machine of extruding comprises feed zone, screw rod is extruded the district, the filter screen district, die head and silica gel roller, described feed zone, screw rod is extruded the district, the filter screen district, die head connects successively, described mixing membrane coating material enters the described compounding machine of extruding from described feed zone, extrude district's heating and extruding through described screw rod, make described mixing membrane coating material become molten condition, the membrane coating material of described molten condition barrier after filtration filters the back and drenches the body paper surface of film to the silica gel roller by described die head.
7. the preparation method of leaching membrane paper as claimed in claim 6, when drenching film, the temperature that the described control screw rod of extruding compounding machine is extruded district and die head district is 180 degrees centigrade to 350 degrees centigrade.
8. the preparation method of leaching membrane paper as claimed in claim 6 is characterized in that, air gap distance is 110 millimeters between the described silica gel roller of extruding compounding machine and the die head.
9. the preparation method of leaching membrane paper as claimed in claim 6 is characterized in that, described screw rod is extruded between district and the die head district and is provided with two filter screens, and the mesh of every filter screen is 40 order to 50 orders.
10. leaching membrane paper, described leaching membrane paper comprises base material and is formed at least one surperficial leaching membrane layer of base material, it is characterized in that, described leaching membrane layer is formed by the membrane coating material that mixes that additive and polyethylene masterbatch carry out blend, wherein said additive is by hot melt adhesive, stearic acid, Tissuemat E, inorganic particle and low density polyethylene (LDPE) are formed, in described additive, the shared mass percent of described hot melt adhesive is 6% to 8%, the shared mass percent of described stearic acid is 2% to 4%, the shared mass percent of described Tissuemat E is 2% to 4%, the shared mass percent of described inorganic particle is 60% to 80%, and the shared mass percent of described low density polyethylene (LDPE) is 15% to 25%.
11. leaching membrane paper as claimed in claim 10 is characterized in that, in described mixing membrane coating material, the shared mass percent of described additive is 5% to 10%.
12. leaching membrane paper as claimed in claim 10 is characterized in that, described polyethylene masterbatch is for drenching film level low density polyethylene (LDPE).
13. leaching membrane paper as claimed in claim 10 is characterized in that, the grammes per square metre of described leaching membrane layer is that 8 every square metre of every gram of gram are to every square metre of 12 gram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110153066 CN102230298B (en) | 2011-06-09 | 2011-06-09 | Film coated paper and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110153066 CN102230298B (en) | 2011-06-09 | 2011-06-09 | Film coated paper and manufacturing method thereof |
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| CN102230298A CN102230298A (en) | 2011-11-02 |
| CN102230298B true CN102230298B (en) | 2013-08-21 |
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| CN 201110153066 Expired - Fee Related CN102230298B (en) | 2011-06-09 | 2011-06-09 | Film coated paper and manufacturing method thereof |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103469678A (en) * | 2013-09-11 | 2013-12-25 | 北京化工大学常州先进材料研究院 | Preparation method of recyclable coated paper |
| CN103966898B (en) * | 2014-05-05 | 2016-03-30 | 林俊杰 | A kind of production technology of leaching membrane paper |
| CN105350397A (en) * | 2014-08-20 | 2016-02-24 | 天津联森包装制品有限公司 | Laminated paper production process |
| CN105696418A (en) * | 2015-09-18 | 2016-06-22 | 安庆市芊芊纸业有限公司 | High-temperature-resistant LDPE laminating paper and laminating process thereof |
| CN105714606A (en) * | 2015-09-18 | 2016-06-29 | 安庆市芊芊纸业有限公司 | High-temperature-resistant PP (propylene polymer) coated paper and coating process for same |
| CN105694171A (en) * | 2015-09-18 | 2016-06-22 | 安庆市芊芊纸业有限公司 | Preparation process of laminating paper |
| CN105220572B (en) * | 2015-10-30 | 2017-03-29 | 江苏利特尔绿色包装股份有限公司 | Aqueouss AC agent on a kind of superpressure paper is coextruded film device |
| CN106283919A (en) * | 2016-08-31 | 2017-01-04 | 广东联枫新材料科技有限公司 | A kind of method manufacturing leaching membrane paper |
| CN107471887A (en) * | 2017-09-20 | 2017-12-15 | 广州米锐格热转印材料有限公司 | The preparation method of carbon dust transfer paper |
| CN108914686A (en) * | 2018-07-16 | 2018-11-30 | 福建益百利包装材料有限公司 | A kind of leaching membrane paper and its production technology |
| CN110181893A (en) * | 2019-05-30 | 2019-08-30 | 三峡大学 | A kind of leaching membrane paper and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20040111375A (en) * | 2002-03-04 | 2004-12-31 | 인터내셔날 페이퍼 캄파니 | Laminate for improved bonding |
| CN101597874B (en) * | 2009-06-24 | 2011-04-27 | 朱锦佐 | Production technology of embossing laminating release paper |
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