CN111100434B - Ink-jet printing composite film and processing technology thereof - Google Patents
Ink-jet printing composite film and processing technology thereof Download PDFInfo
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- CN111100434B CN111100434B CN201911391197.5A CN201911391197A CN111100434B CN 111100434 B CN111100434 B CN 111100434B CN 201911391197 A CN201911391197 A CN 201911391197A CN 111100434 B CN111100434 B CN 111100434B
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- 239000002131 composite material Substances 0.000 title claims abstract description 59
- 238000007641 inkjet printing Methods 0.000 title claims abstract description 38
- 238000005516 engineering process Methods 0.000 title claims abstract description 12
- 229920005989 resin Polymers 0.000 claims abstract description 87
- 239000011347 resin Substances 0.000 claims abstract description 87
- 239000004014 plasticizer Substances 0.000 claims abstract description 37
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 24
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 24
- 239000000945 filler Substances 0.000 claims abstract description 24
- 239000003063 flame retardant Substances 0.000 claims abstract description 24
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims abstract description 24
- 229920000858 Cyclodextrin Polymers 0.000 claims abstract description 23
- 238000003851 corona treatment Methods 0.000 claims abstract description 23
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 14
- 239000011159 matrix material Substances 0.000 claims abstract description 14
- 238000001291 vacuum drying Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 15
- 238000001125 extrusion Methods 0.000 claims description 14
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 10
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical group CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 238000000071 blow moulding Methods 0.000 claims description 7
- 238000003490 calendering Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical group CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 5
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 14
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 239000002861 polymer material Substances 0.000 abstract description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 42
- 239000005020 polyethylene terephthalate Substances 0.000 description 42
- 239000004698 Polyethylene Substances 0.000 description 28
- 229920000573 polyethylene Polymers 0.000 description 28
- 230000000052 comparative effect Effects 0.000 description 8
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- -1 Polyethylene terephthalate Polymers 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WPMYUUITDBHVQZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid Chemical compound CC(C)(C)C1=CC(CCC(O)=O)=CC(C(C)(C)C)=C1O WPMYUUITDBHVQZ-UHFFFAOYSA-N 0.000 description 1
- 229920000856 Amylose Polymers 0.000 description 1
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 108010025880 Cyclomaltodextrin glucanotransferase Proteins 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 229940097362 cyclodextrins Drugs 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001542 oligosaccharide Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
- C08J2405/16—Cyclodextrin; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention belongs to the technical field of high polymer materials, and particularly relates to an ink-jet printing composite film and a processing technology thereof. The invention comprises matrix resin and an auxiliary agent, wherein the matrix resin is PET resin, and the auxiliary agent comprises a filling agent, a halogen-free flame retardant, a plasticizer, an antioxidant and cyclodextrin. According to the invention, the cyclodextrin is added into the PET material, and the cyclodextrin can generate a plurality of polar groups after corona treatment, so that the PET material has higher adhesive force to ink.
Description
Technical Field
The invention belongs to the technical field of high polymer materials, and particularly relates to an ink-jet printing composite film and a processing technology thereof.
Background
Polyethylene terephthalate (PET) is an important engineering plastic, has excellent physical and mechanical properties in a wide temperature range, can still maintain excellent electrical insulation performance at high temperature and high frequency, is widely applied to various industries such as electronics, food, medicines, office supplies, toys and the like, has the advantages of high strength, good fusion, good barrier property and the like after being compounded with Polyethylene (PE) resin, and can be selected from ultra-low temperature PE resin, and common PE resin is easy to break at low temperature.
In the prior art, the PET film can be printed by ink-jet printing to display patterns or be used as a label, compared with the traditional paper label, the label made of the PET material has the advantages of water resistance, convenience in transportation and storage and the like, but the adhesive force of the PET material to ink in the prior art needs to be further improved.
In order to solve the problem, people also research and study in long-term production and living practices, for example, Chinese patent application discloses a release agent, a release film, a composite film and an ink-jet printing mediumAnd a method for producing and using the same [ application No.: 201810060616.6]The invention patent application comprises the following components in parts by weight: 5-7 parts of polyvinyl alcohol, 1-2 parts of silicon dioxide, 4-8 parts of titanium dioxide, 5-10 parts of waterborne polyurethane, 5-10 parts of emulsion wax, 0.5-1.5 parts of wetting agent and water, wherein the solid content of the release agent is 15-30%. The preparation method of the release agent comprises the following steps: preparing 8-12% of polyvinyl alcohol aqueous solution, 10-15% of silicon dioxide dispersion liquid and 20-40% of titanium dioxide dispersion liquid, and then uniformly mixing with other components to obtain the composite material. The release film is made of 100-130 g/m release agent2The dosage is coated on a substrate, and the coating is obtained after drying, cooling and stripping. The composite film comprises a polymer base film and a release film. An ink jet print medium includes a composite film and a transparent ink receptive coating.
According to the invention, the ink absorption coating is arranged on the surface of the polymer base film to improve the adhesive force of the film surface to ink during ink-jet printing, but the film is required to be of a multilayer structure, the processing and manufacturing process is complex, and in the storage and transportation process, if the surface layer is damaged due to external force, the adhesive force of the film to the ink is also greatly influenced.
Disclosure of Invention
The invention aims to solve the problems and provides an ink-jet printing composite film with high adhesion to ink.
Another object of the present invention is to provide a process for preparing a composite film for inkjet printing having high adhesion to ink.
In order to achieve the purpose, the invention adopts the following technical scheme:
the composite film for ink-jet printing comprises matrix resin and an auxiliary agent, wherein the matrix resin comprises PET resin and PE resin, and the auxiliary agent comprises a filler, a halogen-free flame retardant, a plasticizer, an antioxidant and cyclodextrin.
In the ink-jet printing composite film, the composite film comprises 60-80 parts by mass of PET resin, 30-50 parts by mass of PE resin, 20-30 parts by mass of filler, 5-15 parts by mass of halogen-free flame retardant, 2-8 parts by mass of plasticizer, 0.1-1 part by mass of antioxidant and 10-20 parts by mass of cyclodextrin.
In the composite film for ink-jet printing, the composite film comprises 70 parts of PET resin, 40 parts of PE resin, 25 parts of filler, 10 parts of halogen-free flame retardant, 5 parts of plasticizer, 0.5 part of antioxidant and 15 parts of cyclodextrin in parts by weight.
In the composite film for ink-jet printing, the filler is calcium carbonate powder or aluminum oxide powder.
In the inkjet printing composite film, the halogen-free flame retardant is tributyl phosphate or phosphate.
In the above inkjet printing composite film, the plasticizer is a DOP plasticizer or a DBP plasticizer.
In the inkjet printing composite film, the antioxidant is antioxidant 1010 or antioxidant 168.
A processing technology of an ink-jet printing composite film comprises the following steps:
the method comprises the following steps: putting a plurality of PET resins in a vacuum drying oven, and carrying out vacuum drying for 4-6h at 70-90 ℃ to obtain dried PET resins; putting a plurality of PE resins in a vacuum drying oven, and carrying out vacuum drying for 2-4h at 50-60 ℃ to obtain dried PE resins;
step two: taking 60-80 parts of dried PET resin, 30-50 parts of dried PE resin, 20-30 parts of filler, 5-15 parts of halogen-free flame retardant, 2-8 parts of plasticizer, 0.1-1 part of antioxidant and 10-20 parts of cyclodextrin, adding into a mixer, mixing for 10-20min, transferring into a double-screw extruder, heating at the temperature of 250-180 ℃, melting and mixing, extruding and granulating after 1-2h, wherein the extrusion temperature is 240-260 ℃, the screw rotating speed is 250-350r/min, and granulating after cooling an extruded sample strip to obtain PET master batch;
step three: feeding the PET master batch into a plasticizing machine, performing blow molding extrusion, calendering by using a four-roller calender, and winding the film after corona treatment to obtain the composite film.
In the processing technology of the composite film for ink-jet printing, the corona treatment in the third step comprises the following steps:
step A: starting a corona processor, setting data of processing voltage and processing current, and then placing the rolled film at a feeding port of the corona processor;
and B: adjusting the inclination angle of the discharge blade to enable the included angle between the discharge blade and the surface of the film to be 30-60 degrees;
and C: feeding, so that the film is input into the corona treatment machine at a constant speed, and the distance between the discharge blade and the surface of the film is less than 1 cm.
In the processing technology of the ink-jet printing composite film, the processing current in the step A is 1-6A, the processing voltage is 6-9kV, and the speed of inputting the film into a corona processor in the step C is 6-10 m/s.
Compared with the prior art, the invention has the advantages that:
1. according to the invention, the cyclodextrin is added into the PET material, and after corona treatment, the cyclodextrin can generate a plurality of polar groups, so that the PET material has high adhesive force to ink.
2. The invention has simple manufacturing process and convenient operation, and is suitable for large-scale popularization and production.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
Example 1
The embodiment provides an inkjet printing composite film, which comprises a matrix resin and an auxiliary agent, wherein the matrix resin comprises 80 parts of PET resin and 50 parts of PE resin, and the auxiliary agent comprises 20 parts of a filling agent, 5 parts of a halogen-free flame retardant, 2 parts of a plasticizer, 0.1 part of an antioxidant and 10 parts of cyclodextrin.
Wherein the filler is calcium carbonate powder, the halogen-free flame retardant is tributyl phosphate, the plasticizer is DOP plasticizer, and the antioxidant is antioxidant 1010.
The DOP plasticizer belongs to dibutyl phthalate plasticizers, and the plasticizing effect of the DOP plasticizer is caused by weakening the aggregation effect among macromolecular chains in a polymer material, so that the plasticity and the processability of the whole polymer material are improved.
The antioxidant 1010 is tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester (CAS: 6683-19-8), and can effectively prevent the polymer material from thermal oxidative degradation in the long-term use process.
Cyclodextrins are the general term for a series of cyclic oligosaccharides produced by amylose under the action of cyclodextrin glycosyltransferase produced by Bacillus, usually containing 6-12D-glucopyranose units.
Example 2
The embodiment provides an inkjet printing composite film, which comprises a matrix resin and an auxiliary agent, wherein the matrix resin comprises 60 parts of PET resin and 30 parts of PE resin, and the auxiliary agent comprises 30 parts of a filling agent, 15 parts of a halogen-free flame retardant, 8 parts of a plasticizer, 1 part of an antioxidant and 20 parts of cyclodextrin.
Wherein the filler is alumina powder, the halogen-free flame retardant is phosphate, the plasticizer is DBP plasticizer, and the antioxidant is antioxidant 168.
The DBP plasticizer and the DOP plasticizer have the same effect, and the antioxidant 168 and the antioxidant 1010 have the same effect, so the description is omitted.
Example 3
The embodiment provides an inkjet printing composite film, which comprises a matrix resin and an auxiliary agent, wherein the matrix resin comprises 70 parts of PET resin and 40 parts of PE resin, and the auxiliary agent comprises 25 parts of a filling agent, 10 parts of a halogen-free flame retardant, 5 parts of a plasticizer, 0.5 part of an antioxidant and 15 parts of cyclodextrin.
Wherein the filler is calcium carbonate powder, the halogen-free flame retardant is tributyl phosphate, the plasticizer is DOP plasticizer, and the antioxidant is antioxidant 1010.
Example 4
The embodiment provides a processing technology of an ink-jet printing composite film, which comprises the following steps:
the method comprises the following steps: taking a plurality of weights of PET resin, placing the PET resin in a vacuum drying oven, and carrying out vacuum drying for 4 hours at 70 ℃ to obtain dried PET resin; taking a plurality of PE resins by weight, placing the PE resins in a vacuum drying oven, and carrying out vacuum drying for 2h at 50 ℃ to obtain dried PE resins;
step two: adding 60-80 parts of dried PET resin, 30-50 parts of dried PE resin, 20-30 parts of filler, 5-15 parts of halogen-free flame retardant, 2-8 parts of plasticizer, 0.1-1 part of antioxidant and 10-20 parts of cyclodextrin into a mixer, mixing for 10min, transferring into a double-screw extruder, heating at 250 ℃, melting and mixing, extruding and granulating after 1h, wherein the extrusion temperature is 240 ℃, the screw rotation speed is 250r/min, and extruding sample strips, cooling and then granulating to obtain PET master batches;
step three: the PET master batch is fed into a plasticizing machine for blow molding and extrusion, then is calendered by a four-rod calender, and is rolled after corona treatment to obtain a composite film, wherein the corona treatment comprises the following steps:
step A: starting the corona processor, setting the processing voltage to be 6kV, setting the processing current to be 1A, and then placing the rolled film at a feeding port of the corona processor;
and B: adjusting the inclination angle of the discharge blade to enable the included angle between the discharge blade and the surface of the film to be 30 degrees;
and C: feeding, so that the film is input into the corona treatment machine at a constant speed, the speed of inputting the film into the corona treatment machine is 6m/s, and the distance between the discharge blade and the surface of the film is 0.9 cm.
Example 5
The embodiment provides a processing technology of an ink-jet printing composite film, which comprises the following steps:
the method comprises the following steps: taking a plurality of weights of PET resin, placing the PET resin in a vacuum drying oven, and carrying out vacuum drying for 6h at 90 ℃ to obtain dried PET resin; taking a plurality of PE resins by weight, placing the PE resins in a vacuum drying oven, and carrying out vacuum drying for 4 hours at 60 ℃ to obtain dried PE resins;
step two: adding 60-80 parts of dried PET resin, 30-50 parts of dried PE resin, 20-30 parts of filler, 5-15 parts of halogen-free flame retardant, 2-8 parts of plasticizer, 0.1-1 part of antioxidant and 10-20 parts of cyclodextrin into a mixer, mixing for 20min, transferring into a double-screw extruder, heating at 270 ℃, melting and mixing, extruding and granulating after 2h, wherein the extrusion temperature is 260 ℃, the screw rotation speed is 350r/min, and extruding sample strips, cooling and then granulating to obtain PET master batches;
step three: the PET master batch is fed into a plasticizing machine for blow molding and extrusion, then is calendered by a four-rod calender, and is rolled after corona treatment to obtain a composite film, wherein the corona treatment comprises the following steps:
step A: starting the corona processor, setting the processing voltage to be 9kV, setting the processing current to be 6A, and then placing the rolled film at a feeding port of the corona processor;
and B: adjusting the inclination angle of the discharge blade to enable the included angle between the discharge blade and the surface of the film to be 60 degrees;
and C: feeding, so that the film is input into the corona treatment machine at a constant speed, the speed of inputting the film into the corona treatment machine is 10m/s, and the distance between the discharge blade and the surface of the film is 0.3 cm.
Example 6
The embodiment provides a processing technology of an ink-jet printing composite film, which comprises the following steps:
the method comprises the following steps: taking a plurality of weights of PET resin, placing the PET resin in a vacuum drying oven, and carrying out vacuum drying for 5 hours at the temperature of 80 ℃ to obtain dried PET resin; taking a plurality of PE resins by weight, placing the PE resins in a vacuum drying oven, and carrying out vacuum drying for 3h at 55 ℃ to obtain dried PE resins;
step two: adding 60-80 parts of dried PET resin, 30-50 parts of dried PE resin, 20-30 parts of filler, 5-15 parts of halogen-free flame retardant, 2-8 parts of plasticizer, 0.1-1 part of antioxidant and 10-20 parts of cyclodextrin into a mixer, mixing for 15min, transferring into a double-screw extruder, heating at 260 ℃, melting and mixing, extruding and granulating after 1.5h, wherein the extrusion temperature is 250 ℃, the screw rotating speed is 300r/min, and extruding sample strips, cooling and granulating to obtain PET master batches;
step three: the PET master batch is fed into a plasticizing machine for blow molding and extrusion, then is calendered by a four-rod calender, and is rolled after corona treatment to obtain a composite film, wherein the corona treatment comprises the following steps:
step A: starting the corona processor, setting the processing voltage to be 8kV, setting the processing current to be 4A, and then placing the rolled film at a feeding port of the corona processor;
and B: adjusting the inclination angle of the discharge blade to enable the included angle between the discharge blade and the surface of the film to be 45 degrees;
and C: feeding, so that the film is input into the corona treatment machine at a constant speed, the speed of inputting the film into the corona treatment machine is 8m/s, and the distance between the discharge blade and the surface of the film is less than 0.6 cm.
Comparative example 1
The comparative example provides an ink-jet printing composite film, which comprises matrix resin and an auxiliary agent, wherein the matrix resin comprises 70 parts of PET resin and 40 parts of PE resin, and the auxiliary agent comprises 25 parts of a filling agent, 10 parts of a halogen-free flame retardant, 5 parts of a plasticizer and 0.5 part of an antioxidant.
Wherein the filler is calcium carbonate powder, the halogen-free flame retardant is tributyl phosphate, the plasticizer is DOP plasticizer, and the antioxidant is antioxidant 1010.
Comparative example 2
The comparative example provides a processing technology of an ink-jet printing composite film, which comprises the following steps:
the method comprises the following steps: taking a plurality of weights of PET resin, placing the PET resin in a vacuum drying oven, and carrying out vacuum drying for 5 hours at the temperature of 80 ℃ to obtain dried PET resin; taking a plurality of PE resins by weight, placing the PE resins in a vacuum drying oven, and carrying out vacuum drying for 3h at 55 ℃ to obtain dried PE resins;
step two: adding 60-80 parts of dried PET resin, 30-50 parts of dried PE resin, 20-30 parts of filler, 5-15 parts of halogen-free flame retardant, 2-8 parts of plasticizer, 0.1-1 part of antioxidant and 10-20 parts of cyclodextrin into a mixer, mixing for 15min, transferring into a double-screw extruder, heating at 260 ℃, melting and mixing, extruding and granulating after 1.5h, wherein the extrusion temperature is 250 ℃, the screw rotating speed is 300r/min, and extruding sample strips, cooling and granulating to obtain PET master batches;
step three: feeding the PET master batch into a plasticizing machine, performing blow molding extrusion, calendering by using a four-roller calender, and rolling the film to obtain the composite film.
Application example 1
A composite film was produced by the method described in example 6 with the composition described in example 3, and the composite film having a size of 1m × 1m was cut out as material 1;
a composite film was produced by the method described in comparative example 2 with the composition described in example 3, and the composite film of 1m × 1m size was cut out as material 2;
a composite film was produced by the method described in example 6 with the composition described in comparative example 1, and a composite film of 1m × 1m size was cut out as material 3;
a composite film was produced by the method described in comparative example 2 with the composition described in comparative example 1, and a composite film of 1m × 1m size was cut out as material 4;
the digital ink-jet printer of the same brand model is used for respectively carrying out ink-jet printing on the material 1, the material 2 and the material 3, the blank area of the surface of the material is measured after printing, and the statistics of the experimental results are shown in the following table:
and (4) analyzing results: from the above experimental results, it can be seen that the composite film provided by the present invention has better ink adhesion performance, which may be caused by oxidation of a large amount of hydroxyl groups to carbonyl groups in corona treatment of cyclodextrin, and achieves the intended purpose of the present invention.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. An ink-jet printing composite film comprises matrix resin and an auxiliary agent, and is characterized in that: the matrix resin comprises PET resin and PE resin, and the auxiliary agent comprises a filler, a halogen-free flame retardant, a plasticizer, an antioxidant and cyclodextrin; the composite membrane is prepared by the following steps:
the method comprises the following steps: putting a plurality of PET resins in a vacuum drying oven, and carrying out vacuum drying for 4-6h at 70-90 ℃ to obtain dried PET resins; putting a plurality of PE resins in a vacuum drying oven, and carrying out vacuum drying for 2-4h at 50-60 ℃ to obtain dried PE resins;
step two: taking 60-80 parts of dried PET resin, 30-50 parts of dried PE resin, 20-30 parts of filler, 5-15 parts of halogen-free flame retardant, 2-8 parts of plasticizer, 0.1-1 part of antioxidant and 10-20 parts of cyclodextrin, adding into a mixer, mixing for 10-20min, transferring into a double-screw extruder, heating at the temperature of 250-180 ℃, melting and mixing, extruding and granulating after 1-2h, wherein the extrusion temperature is 240-260 ℃, the screw rotating speed is 250-350r/min, and granulating after cooling an extruded sample strip to obtain PET master batch;
step three: feeding the PET master batch into a plasticizing machine, performing blow molding extrusion, calendering by using a four-roller calender, and winding the film after corona treatment to obtain the composite film.
2. A composite film for inkjet printing according to claim 1 wherein: the composite film comprises, by mass, 60-80 parts of PET resin, 30-50 parts of PE resin, 20-30 parts of a filler, 5-15 parts of a halogen-free flame retardant, 2-8 parts of a plasticizer, 0.1-1 part of an antioxidant and 10-20 parts of cyclodextrin.
3. A composite film for inkjet printing according to claim 2 wherein: the composite film comprises 70 parts of PET resin, 40 parts of PE resin, 25 parts of filler, 10 parts of halogen-free flame retardant, 5 parts of plasticizer, 0.5 part of antioxidant and 15 parts of cyclodextrin in parts by weight.
4. A composite film for inkjet printing according to claim 1 wherein: the filler is calcium carbonate powder or alumina powder.
5. A composite film for inkjet printing according to claim 1 wherein: the halogen-free flame retardant is tributyl phosphate or phosphate.
6. A composite film for inkjet printing according to claim 1 wherein: the plasticizer is DOP plasticizer or DBP plasticizer.
7. A composite film for inkjet printing according to claim 1 wherein: the antioxidant is antioxidant 1010 or antioxidant 168.
8. A processing technology of an ink-jet printing composite film is characterized by comprising the following steps:
the method comprises the following steps: putting a plurality of PET resins in a vacuum drying oven, and carrying out vacuum drying for 4-6h at 70-90 ℃ to obtain dried PET resins; putting a plurality of PE resins in a vacuum drying oven, and carrying out vacuum drying for 2-4h at 50-60 ℃ to obtain dried PE resins;
step two: taking 60-80 parts of dried PET resin, 30-50 parts of dried PE resin, 20-30 parts of filler, 5-15 parts of halogen-free flame retardant, 2-8 parts of plasticizer, 0.1-1 part of antioxidant and 10-20 parts of cyclodextrin, adding into a mixer, mixing for 10-20min, transferring into a double-screw extruder, heating at the temperature of 250-180 ℃, melting and mixing, extruding and granulating after 1-2h, wherein the extrusion temperature is 240-260 ℃, the screw rotating speed is 250-350r/min, and granulating after cooling an extruded sample strip to obtain PET master batch;
step three: feeding the PET master batch into a plasticizing machine, performing blow molding extrusion, calendering by using a four-roller calender, and winding the film after corona treatment to obtain the composite film.
9. A process for the manufacture of a composite film for ink jet printing according to claim 8, wherein: the corona treatment in the third step comprises the following steps:
step A: starting a corona processor, setting data of processing voltage and processing current, and then placing the rolled film at a feeding port of the corona processor;
and B: adjusting the inclination angle of the discharge blade to enable the included angle between the discharge blade and the surface of the film to be 30-60 degrees;
and C: feeding, so that the film is input into the corona treatment machine at a constant speed, and the distance between the discharge blade and the surface of the film is less than 1 cm.
10. A process for the manufacture of a composite film for ink jet printing according to claim 9, wherein: the treatment current in the step A is 1-6A, the treatment voltage is 6-9kV, and the speed of inputting the film into the corona treatment machine in the step C is 6-10 m/s.
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Denomination of invention: Inkjet printing composite film and its processing technology Granted publication date: 20211123 Pledgee: Industrial and Commercial Bank of China Limited Jiaxing Xiuzhou Branch Pledgor: Zhejiang yingsaide Digital Technology Co.,Ltd. Registration number: Y2024980003646 |