CN106554712B - A kind of production method of transfer membrane - Google Patents
A kind of production method of transfer membrane Download PDFInfo
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- CN106554712B CN106554712B CN201611003300.0A CN201611003300A CN106554712B CN 106554712 B CN106554712 B CN 106554712B CN 201611003300 A CN201611003300 A CN 201611003300A CN 106554712 B CN106554712 B CN 106554712B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—Polyurethanes from polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/382—Contact thermal transfer or sublimation processes
- B41M5/38235—Contact thermal transfer or sublimation processes characterised by transferable colour-forming materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
- C08G18/724—Combination of aromatic polyisocyanates with (cyclo)aliphatic polyisocyanates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
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- Optics & Photonics (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A kind of production method of transfer membrane, includes the following steps successively：（1）It is coated with information coating in basement membrane, information paint coatings is formed, then female film is compounded on information paint coatings, obtains composite membrane；Information coating is made of component A and B component, by weight, the group of component A becomes 20 ~ 30 parts of isophorone diisocyanate, 20 ~ 30 parts of polymethylene multi-phenenyl isocyanate, 43 ~ 57 parts of polypropylene oxide ethoxylated polyhydric alcohol, the group of B component becomes 59 ~ 70 parts of poly phthalate polyalcohol, 30 ~ 40 parts of pentaerythrite polypropylene oxide ethoxylated polyhydric alcohol, 0.05 ~ 0.08 part of coupling agent, and the mixed proportion of component A and B component is (1 ~ 2)：1；（2）Storage curing 12 hours or more, makes information paint coatings cure after being wound to composite membrane, then removes female film.Information coating that the present invention uses it is coated it is compound after can spontaneous curing, be not required to dry, organic solvent-free and moisture evaporation, can realize that organic solvent zero-emission improves production efficiency again, and product quality can be improved.
Description
Technical field
The present invention relates to printing technologies, and in particular to a kind of production method of transfer membrane.
Background technology
Laser information anti-false sign is used the industries such as packages printing, ornaments, certificate making are more and more, there is radium-shine turn
After moving film, laser composite film following process product, so that us is lived colourful, is easy to distinguish authenticity of products, but in fact behind
There is vast resources wasting, and increase the discharge of many harmful substances of packing box simultaneously, directly influences human and environment
Sustainable development.
Transfer membrane, composite membrane conventional fabrication method be：Coating first is formed in basement membrane coating coating, then coating is carried out
Drying, then female film is compounded on the coating by drying and is molded（There are picture and text on female film（Such as laser graphic）One
Face is in close contact with coating）, composite membrane is obtained, transfer membrane is obtained after compound film stripping mother film.
Currently, the coating used is water paint or oil paint.Water paint solid content is about 20%, it is other for water and
The levelability that a large amount of alcohol, ether just can ensure that coating need to be added in alcohol, ether.Oil paint solid content about 15%, remaining is 85% to be organic molten
Agent.
Water paint or oil paint are either used, must all be dried in manufacturing process, entire technological process is more
Complexity, and a large amount of organic solvents can be volatilized.Some enterprises utilize thermal energy, some enterprises that will then have organic solvent recycling burning
Solvent is directly discharged to air, whether recycling or not, the discharge of organic solvent is all bigger to body effect in production process,
Environment, while also waste of resource are polluted, and drying course needs power consumption to consume energy, increase energy consumption, production cost is high.In addition, drying
Process is easy to catch fire, and security risk is big.
Moreover, Information Level made of water paint and oil paint, water-fast solvent resistant, weatherability are all poor；Information Level
More crisp, film forming is poor after molding, is easy to cause incompleteness, and laser anti-counterfeiting, word, pattern definition are poor.
Invention content
Technical problem to be solved by the invention is to provide a kind of production method of transfer membrane, this production method technique stream
Journey is simple, and low energy consumption, and organic solvent-free and moisture evaporation in manufacturing process can realize that organic solvent zero-emission improves production again
Efficiency, and product quality can be improved.The technical solution of use is as follows：
A kind of production method of transfer membrane, it is characterised in that include the following steps successively：
（1）It is coated with information coating in basement membrane, forms information paint coatings, then female film is compounded on information paint coatings
（One side on female film with picture and text is in close contact with information paint coatings）, obtain composite membrane；
Described information coating is made of component A and B component, and by weight, the group of component A becomes isophorone diisocyanate
20 ~ 30 parts of ester, 20 ~ 30 parts of polymethylene multi-phenenyl isocyanate, 43 ~ 57 parts of polypropylene oxide ethoxylated polyhydric alcohol, the composition of B component
For 59 ~ 70 parts of poly phthalate polyalcohol, 30 ~ 40 parts of pentaerythrite polypropylene oxide ethoxylated polyhydric alcohol, coupling agent 0.05 ~
0.08 part, the mixed proportion of component A and B component is (1 ~ 2)：1；
（2）Storage curing 12 hours or more, makes information paint coatings cure after being wound to composite membrane（At this time on female film
Picture and text be copied on information paint coatings）, female film is then removed, transfer membrane is obtained.
Information paint coatings, it is compound after obtained composite membrane be not necessarily to heating, drying, as long as curing 12 hours or more, you can make
Information paint coatings cure, and transfer membrane is obtained after removing female film.Obtained transfer membrane includes basement membrane and is attached to epilamellar
Information paint coatings have picture and text corresponding with female film on information paint coatings（Such as laser graphic）.After above-mentioned mother's film stripping
It can iterative cycles utilization.
The adhesive force of usual above-mentioned basement membrane and information paint coatings is more than the adhesive force of female film and information paint coatings.It is preferred that
In scheme, the surface tension of above-mentioned basement membrane is bigger 1.5 ~ 2.5dyn/cm than female film.In a kind of concrete scheme, above-mentioned basement membrane is poly- pair
Ethylene terephthalate film（PET film）, female film is polypropylene screen（PP films）.
Preferred steps（1）In, the coating weight of information coating is 1.3g/m2.Preferred steps（1）Middle coating speed and compound speed
Degree is 200 ~ 400m/min.
Preferred steps（2）In, the time that curing is stored after being wound to composite membrane is 12 ~ 24 hours.
It is preferred that above-mentioned 43 ~ 57 parts of polypropylene oxide ethoxylated polyhydric alcohols include the polyoxygenated third that 8 ~ 15 parts of average molecular weight are 400
The polypropylene oxide ethoxylated polyhydric alcohol that alkene ethoxylated polyhydric alcohol and 35 ~ 42 parts of average molecular weight are 2000.
It is preferred that above-mentioned 59 ~ 70 parts of poly phthalate polyalcohols include the poly- neighbour that 30 ~ 35 parts of average molecular weight are 2000
The poly phthalate polyalcohol that phthalic acid ester polyol and 29 ~ 35 parts of average molecular weight are 1600.
It is preferred that above-mentioned coupling agent is siloxanes.
Above- mentioned information coating uses bi-component, wherein component A to contain-NCO active groups and-OH active groups（This part-
OH active groups can shift to an earlier date occurs polyaddition reaction with the part-NCO active groups in component A）, B component contain-OH work
Property group, polyurethane is formed with the remaining-NCO active groups of component A by polyaddition reaction；- NCO active groups and-OH
Active group is all active group, can also be reacted under normal temperature condition, and heating, IR irradiations or UV irradiations are not required to, and is only needed certain ripe
Not only hard but also tough coating can be formed by changing the time.
In above-mentioned component A, isophorone diisocyanate（IPDI）And polymethylene multi-phenenyl isocyanate（PAPI）It is
Hard section provides-NCO active groups and is reacted with the active group-OH of polyether polyol, improves the hardness of coating, enhances cohesive force
And crosslinked action, make coating that there is wear-resistant, heatproof, oil resistant, the characteristics such as be not easily cracked；Polyether polyol provides the flexibility of coating
And intensity, increase the degree of cross linking, improves the heat resistance, elasticity and film forming of coating.
In above-mentioned B component, polyester polyol, polyether polyol are soft segment, provide-OH-the NCO of active group and component A
Active group reacts, and can improve the film forming and elasticity of coating, oil resistant is water-fast, ageing-resistant；Polypropylene oxide ethoxylated polyhydric alcohol energy
The degree of cross linking is improved, strength of coating is made to be improved；Coupling agent can also improve the degree of cross linking, improve water resistance, while using by adjusting
Elasticity when amount control stripping.
It is preferred that the preparation method of above- mentioned information coating includes the following steps successively：
（1’）Prepare component A
（1-1’）By weight, 20 ~ 30 parts of isophorone diisocyanate, polymethylene multi-phenenyl isocyanate 20 are equipped with
~ 30 parts, 43 ~ 57 parts of polypropylene oxide ethoxylated polyhydric alcohol；
（1-2’）By step（1-1’）The polypropylene oxide ethoxylated polyhydric alcohol of outfit is added in reaction kettle, and by polypropylene oxide
Ethoxylated polyhydric alcohol is heated to 105 ~ 115 DEG C, then vacuum dehydration 2.5 ~ 3.5 hours at 105 ~ 115 DEG C, and vacuum degree is-(6 ~ 10）
×10-4MPa；
（1-3’）Step（1-2’）Vacuum dehydration after the completion of, the material in reaction kettle is cooled to 78 ~ 82 DEG C；Then will
Isophorone diisocyanate and polymethylene multi-phenenyl isocyanate are added in reaction kettle, then the material in reaction kettle is heated up
To 78 ~ 82 DEG C, reacts 2.5 ~ 3.5 hours at 78 ~ 82 DEG C, the material in reaction kettle is stirred in reaction process（It is preferred that
Mixing speed is 60 ~ 100 revs/min, and more preferable mixing speed is 80 revs/min）；
（1-4’）Step（1-3’）Reaction after the completion of, the material in reaction kettle is cooled to 45 ~ 50 DEG C, obtains component A
（It is packed after the material in reaction kettle is usually cooled to 45 ~ 50 DEG C）；
（2’）Prepare B component
（2-1’）By weight, it is more that 59 ~ 70 parts of poly phthalate polyalcohol, pentaerythrite polypropylene oxide ether are equipped with
30 ~ 40 parts of first alcohol, 0.05 ~ 0.08 part of coupling agent；
（2-2’）By step（2-1’）Poly phthalate polyalcohol, the pentaerythrite polypropylene oxide ether of outfit are polynary
Alcohol is added in reaction kettle, and the material in reaction kettle is heated to 105 ~ 115 DEG C, the then vacuum dehydration 2.5 at 105 ~ 115 DEG C
~ 3.5 hours, vacuum degree was-(6 ~ 10）×10-4MPa；
（2-3’）Step（2-2’）Vacuum dehydration after the completion of, the material in reaction kettle is cooled to 45 ~ 50 DEG C；Then will
Step（2-1’）The coupling agent of outfit is added in reaction kettle, and B component is obtained after stirring evenly（Usually the material in reaction kettle is arranged
Go out and is packed）；
(3 ') store component A and B component respectively；
The preparation of (4 ') information coating
When needing to be coated, by component A and B component according to (1 ~ 2)：1 weight ratio is mixed, and is stirred extremely
It is uniformly mixed, obtains required information coating.
Preferred steps（1-1’）43 ~ 57 parts of provisioned polypropylene oxide ethoxylated polyhydric alcohols are comprising 8 ~ 15 parts of average molecular weight
The polypropylene oxide ethoxylated polyhydric alcohol that 400 polypropylene oxide ethoxylated polyhydric alcohol and 35 ~ 42 parts of average molecular weight are 2000.
Preferred steps（2-1’）59 ~ 70 parts of provisioned poly phthalate polyalcohols include 30 ~ 35 parts of mean molecules
The poly phthalate that the poly phthalate polyalcohol and 29 ~ 35 parts of average molecular weight that amount is 2000 are 1600 is polynary
Alcohol.
Preferred steps（2-1’）Provisioned coupling agent is siloxanes.
Above-mentioned steps（1’）And step（2’）, two reaction kettles can be used and prepare component A and B component respectively；It can also be used
The same reaction kettle successively prepares component A and B component.
Above-mentioned steps（1-3’）In, addition catalyst is not required at 78 ~ 82 DEG C can normal reaction.
Preferred steps（2-3’）In, after stirring evenly, make the material in reaction kettle（That is B component）Temperature be 45 ~ 50 DEG C,
B component viscosity is low at this temperature, is easy to be packed.
The information coating solids that the present invention uses are high（Solid content is up to 100%）, it is coated it is compound after, applied using information
Material active group itself react, can spontaneous curing, be not required to drying, IR irradiation or UV irradiation, technological process is simple, energy consumption
It is low, and organic solvent-free and moisture evaporation in manufacturing process, realize organic solvent zero-emission, it is environmentally safe, it is safe；
Compound speed is coated with up to 400m/min（Than about 3 times of tradition coating speed-raising）, improve production efficiency；Composite coating materials save,
It is at low cost, it is equivalent to the 1/4 of oil paint or water paint；After the female film of stripping, obtained coating smooth, thickness uniformly,
Wear-resisting folding, oil resistant, not only hard but also tough, picture and text clarity is high, and good film-forming property, properties for follow is good, improves the perception of product
Degree improves product quality.
Specific implementation mode
Embodiment 1
In the present embodiment, the preparation method of information coating used includes the following steps successively：
（1’）Prepare component A
（1-1’）It is equipped with isophorone diisocyanate 1080kg（27 parts）, polymethylene multi-phenenyl isocyanate 920kg
（23 parts）, 2000 kg of polypropylene oxide ethoxylated polyhydric alcohol（The polypropylene oxide ethoxylated polyhydric alcohol 600kg that wherein average molecular weight is 400
（15 parts）, average molecular weight be 2000 polypropylene oxide ethoxylated polyhydric alcohol 1400kg（35 parts））；
（1-2’）By step（1-1’）The polypropylene oxide ethoxylated polyhydric alcohol of outfit is added in reaction kettle, and by polypropylene oxide
Ethoxylated polyhydric alcohol is heated to 110 DEG C, then vacuum dehydration 3 hours at 110 DEG C, and vacuum degree is -8 × 10-4MPa；
（1-3’）Step（1-2’）Vacuum dehydration after the completion of, the material in reaction kettle is cooled to 80 DEG C；It then will be different
Isophorone diisocyanate and polymethylene multi-phenenyl isocyanate are added in reaction kettle, then the material in reaction kettle is warming up to
It 80 DEG C, reacts 3 hours at 80 DEG C, the material in reaction kettle is stirred in reaction process（Mixing speed is 80 revs/min
Clock）；
（1-4’）Step（1-3’）Reaction after the completion of, the material in reaction kettle is cooled to 48 DEG C, obtains component A（It is logical
It is packed after the material in reaction kettle is often cooled to 48 DEG C）；
（2’）Prepare B component
（2-1’）It is equipped with 2398 kg of poly phthalate polyalcohol（The poly- adjacent benzene two that wherein average molecular weight is 2000
Formic acid ester polyol 1200kg（30 parts）, average molecular weight be 1600 poly phthalate polyalcohol 1198kg（29.95
Part））, pentaerythrite polypropylene oxide ethoxylated polyhydric alcohol 1600kg（40 parts）, coupling agent 2kg（0.05 part, be siloxanes）；
（2-2’）By step（2-1’）Poly phthalate polyalcohol, the pentaerythrite polypropylene oxide ether of outfit are polynary
Alcohol is added in reaction kettle, and the material in reaction kettle is heated to 110 DEG C, then vacuum dehydration 3 hours, vacuum at 110 DEG C
Degree is -8 × 10-4MPa；
（2-3’）Step（2-2’）Vacuum dehydration after the completion of, the material in reaction kettle is cooled to 48 DEG C；It then will step
Suddenly（2-1’）The coupling agent of outfit is added in reaction kettle, and B component is obtained after stirring evenly（Usually the material in reaction kettle is discharged
And it is packed）；
(3 ') store component A and B component respectively；
The preparation of (4 ') information coating
When needing to be coated, by component A and B component according to 1.5：1 weight ratio is mixed, and is stirred to mixed
It closes uniformly, obtains required information coating.
Above-mentioned steps（1’）And step（2’）, two reaction kettles can be used and prepare component A and B component respectively；It can also be used
The same reaction kettle successively prepares component A and B component.
The production method of transfer membrane includes the following steps successively in the present embodiment：
（1）It is coated with information coating in basement membrane（Coating speed is 300m/min；The coating weight of information coating is 1.3g/m2）,
Information paint coatings are formed, then female film is compounded on information paint coatings（Recombination velocity is 300m/min；Have on female film
The one side of picture and text is in close contact with information paint coatings）, obtain composite membrane；
（2）Storage curing 18 hours, make information paint coatings cure after being wound to composite membrane（Figure on female film at this time
Text is copied on information paint coatings）, female film is then removed, transfer membrane is obtained.
Obtained transfer membrane includes basement membrane and is attached to epilamellar information paint coatings, is had on information paint coatings
Picture and text corresponding with female film（Such as laser graphic）.It can iterative cycles utilization after above-mentioned mother's film stripping.
In the present embodiment, basement membrane is polyethylene terephthalate film（PET film）, female film is polypropylene screen（PP films）；
The surface tension of basement membrane is bigger 2dyn/cm than female film.
Embodiment 2
In the present embodiment, the preparation method of information coating used includes the following steps successively：
（1’）Prepare component A
（1-1’）It is equipped with 1200 kg of isophorone diisocyanate（30 parts）, polymethylene multi-phenenyl isocyanate
800kg （20 parts）, 2000 kg of polypropylene oxide ethoxylated polyhydric alcohol（The polypropylene oxide ether that wherein average molecular weight is 400 is polynary
Alcohol 320kg（8 parts）, average molecular weight be 2000 polypropylene oxide ethoxylated polyhydric alcohol 1680kg（42 parts））；
（1-2’）By step（1-1’）The polypropylene oxide ethoxylated polyhydric alcohol of outfit is added in reaction kettle, and by polypropylene oxide
Ethoxylated polyhydric alcohol is heated to 105 DEG C, then vacuum dehydration 3.5 hours at 105 DEG C, and vacuum degree is -6 × 10-4MPa；
（1-3’）Step（1-2’）Vacuum dehydration after the completion of, the material in reaction kettle is cooled to 78 ~ 82 DEG C；Then will
Isophorone diisocyanate and polymethylene multi-phenenyl isocyanate are added in reaction kettle, then the material in reaction kettle is heated up
To 78 DEG C, reacts 3.5 hours at 78 DEG C, the material in reaction kettle is stirred in reaction process（Mixing speed is 100
Rev/min）；
（1-4’）Step（1-3’）Reaction after the completion of, the material in reaction kettle is cooled to 45 DEG C, obtains component A（It is logical
It is packed after the material in reaction kettle is often cooled to 45 DEG C）；
（2’）Prepare B component
（2-1’）It is equipped with poly phthalate polyalcohol 2797.6kg（The poly- adjacent benzene two that wherein average molecular weight is 2000
1400 kg of formic acid ester polyol（35 parts）, average molecular weight be 1600 poly phthalate polyalcohol 1397.6kg
（34.94 parts））, pentaerythrite polypropylene oxide ethoxylated polyhydric alcohol 1200kg（30 parts）, coupling agent 2.4kg（0.06 part, be silicon
Oxygen alkane）；
（2-2’）By step（2-1’）Poly phthalate polyalcohol, the pentaerythrite polypropylene oxide ether of outfit are polynary
Alcohol is added in reaction kettle, and the material in reaction kettle is heated to 105 DEG C, then vacuum dehydration 3.5 hours at 105 DEG C, very
Reciprocal of duty cycle is -6 × 10-4MPa；
（2-3’）Step（2-2’）Vacuum dehydration after the completion of, the material in reaction kettle is cooled to 45 DEG C；It then will step
Suddenly（2-1’）The coupling agent of outfit is added in reaction kettle, and B component is obtained after stirring evenly（Usually the material in reaction kettle is discharged
And it is packed）；
(3 ') store component A and B component respectively；
The preparation of (4 ') information coating
When needing to be coated, by component A and B component according to 2：1 weight ratio is mixed, and is stirred to mixing
Uniformly, required information coating is obtained.
Above-mentioned steps（1’）And step（2’）, two reaction kettles can be used and prepare component A and B component respectively；It can also be used
The same reaction kettle successively prepares component A and B component.
The production method of transfer membrane includes the following steps successively in the present embodiment：
（1）It is coated with information coating in basement membrane（Coating speed is 200m/min；The coating weight of information coating is 1.3g/m2）,
Information paint coatings are formed, then female film is compounded on information paint coatings（Recombination velocity is 200m/min；Have on female film
The one side of picture and text is in close contact with information paint coatings）, obtain composite membrane；
（2）Storage curing 12 hours, make information paint coatings cure after being wound to composite membrane（Figure on female film at this time
Text is copied on information paint coatings）, female film is then removed, transfer membrane is obtained.
Obtained transfer membrane includes basement membrane and is attached to epilamellar information paint coatings, is had on information paint coatings
Picture and text corresponding with female film（Such as laser graphic）.It can iterative cycles utilization after above-mentioned mother's film stripping.
In the present embodiment, basement membrane is polyethylene terephthalate film（PET film）, female film is polypropylene screen（PP films）；
The surface tension of basement membrane is bigger 2.5dyn/cm than female film.
Embodiment 3
In the present embodiment, the preparation method of information coating used includes the following steps successively：
（1’）Prepare component A
（1-1’）By weight, it is equipped with 1000 kg of isophorone diisocyanate（25 parts）, polymethylene polyphenyl it is different
1000 kg of cyanate（25 parts）, 2000 kg of polypropylene oxide ethoxylated polyhydric alcohol（The polyoxygenated third that wherein average molecular weight is 400
480 kg of alkene ethoxylated polyhydric alcohol（12 parts）, average molecular weight be 2000 1520 kg of polypropylene oxide ethoxylated polyhydric alcohol（38 parts））；
（1-2’）By step（1-1’）The polypropylene oxide ethoxylated polyhydric alcohol of outfit is added in reaction kettle, and by polypropylene oxide
Ethoxylated polyhydric alcohol is heated to 115 DEG C, then vacuum dehydration 2.5 hours at 115 DEG C, and vacuum degree is -10 × 10-4MPa；
（1-3’）Step（1-2’）Vacuum dehydration after the completion of, the material in reaction kettle is cooled to 82 DEG C；It then will be different
Isophorone diisocyanate and polymethylene multi-phenenyl isocyanate are added in reaction kettle, then the material in reaction kettle is warming up to
It 82 DEG C, reacts 2.5 hours at 82 DEG C, the material in reaction kettle is stirred in reaction process（Mixing speed is 60 revs/min
Clock）；
（1-4’）Step（1-3’）Reaction after the completion of, the material in reaction kettle is cooled to 50 DEG C, obtains component A（It is logical
It is packed after the material in reaction kettle is often cooled to 50 DEG C）；
（2’）Prepare B component
（2-1’）By weight, it is equipped with 2477.8 kg of poly phthalate polyalcohol（Wherein average molecular weight is 2000
1200 kg of poly phthalate polyalcohol（30 parts）, average molecular weight be 1600 poly phthalate polyalcohol
1277.8 kg（31.945 parts））, pentaerythrite polypropylene oxide ethoxylated polyhydric alcohol 1520kg（38 parts）, coupling agent 2.2kg
（0.055 part）；
（2-2’）By step（2-1’）Poly phthalate polyalcohol, the pentaerythrite polypropylene oxide ether of outfit are polynary
Alcohol is added in reaction kettle, and the material in reaction kettle is heated to 115 DEG C, then vacuum dehydration 2.5 hours at 115 DEG C, very
Reciprocal of duty cycle is -10 × 10-4MPa；
（2-3’）Step（2-2’）Vacuum dehydration after the completion of, the material in reaction kettle is cooled to 50 DEG C；It then will step
Suddenly（2-1’）The coupling agent of outfit is added in reaction kettle, and B component is obtained after stirring evenly（Usually the material in reaction kettle is discharged
And it is packed）；
(3 ') store component A and B component respectively；
The preparation of (4 ') information coating
When needing to be coated, by component A and B component according to 1：1 weight ratio is mixed, and is stirred to mixing
Uniformly, required information coating is obtained.
Above-mentioned steps（1’）And step（2’）, two reaction kettles can be used and prepare component A and B component respectively；It can also be used
The same reaction kettle successively prepares component A and B component.
The production method of transfer membrane includes the following steps successively in the present embodiment：
（1）It is coated with information coating in basement membrane（Coating speed is 400m/min；The coating weight of information coating is 1.3g/m2）,
Information paint coatings are formed, then female film is compounded on information paint coatings（Recombination velocity is 400m/min；Have on female film
The one side of picture and text is in close contact with information paint coatings）, obtain composite membrane；
（2）Storage curing 24 hours, make information paint coatings cure after being wound to composite membrane（Figure on female film at this time
Text is copied on information paint coatings）, female film is then removed, transfer membrane is obtained.
Obtained transfer membrane includes basement membrane and is attached to epilamellar information paint coatings, is had on information paint coatings
Picture and text corresponding with female film（Such as laser graphic）.It can iterative cycles utilization after above-mentioned mother's film stripping.
In the present embodiment, basement membrane is polyethylene terephthalate film（PET film）, female film is polypropylene screen（PP films）；
The surface tension of basement membrane is bigger 1.5dyn/cm than female film.
Claims (10)
1. a kind of production method of transfer membrane, it is characterised in that include the following steps successively：
（1）It is coated with information coating in basement membrane, information paint coatings is formed, then female film is compounded on information paint coatings, obtains
Composite membrane；
Described information coating is made of component A and B component, and by weight, the group of component A becomes isophorone diisocyanate 20
~ 30 parts, 20 ~ 30 parts of polymethylene multi-phenenyl isocyanate, 43 ~ 57 parts of polypropylene oxide ethoxylated polyhydric alcohol, the group of B component becomes poly-
59 ~ 70 parts of phthalic acid ester polyol, 30 ~ 40 parts of pentaerythrite polypropylene oxide ethoxylated polyhydric alcohol, coupling agent 0.05 ~ 0.08
Part, the mixed proportion of component A and B component is (1 ~ 2)：1；
（2）Storage curing 12 hours or more, makes information paint coatings cure after being wound to composite membrane, then removes female film,
Obtain transfer membrane.
2. the production method of transfer membrane according to claim 1, it is characterised in that：The surface tension of the basement membrane is than female film
Big 1.5 ~ 2.5dyn/cm.
3. the production method of transfer membrane according to claim 1, it is characterised in that：Step（1）In, the coating of information coating
Amount is 1.3g/m2；Step（1）Middle coating speed and recombination velocity are 200 ~ 400m/min.
4. the production method of transfer membrane according to claim 1, it is characterised in that：Step（2 ）In, composite membrane is carried out
The time that curing is stored after winding is 12 ~ 24 hours.
5. the production method of transfer membrane according to claim 1, it is characterised in that：43 ~ 57 parts of polypropylene oxide ether
Polyalcohol includes the polypropylene oxide ethoxylated polyhydric alcohol that 8 ~ 15 parts of average molecular weight are 400 and 35 ~ 42 parts of average molecular weight are 2000
Polypropylene oxide ethoxylated polyhydric alcohol.
6. the production method of transfer membrane according to claim 1, it is characterised in that：59 ~ 70 parts of poly- phthalic acids
Ester polyol includes the poly phthalate polyalcohol and 29 ~ 35 parts of average molecular weight that 30 ~ 35 parts of average molecular weight are 2000
For 1600 poly phthalate polyalcohol.
7. the production method of transfer membrane according to claim 1, it is characterised in that the preparation method of described information coating according to
It is secondary to include the following steps：
（1’）Prepare component A
（1-1’）By weight, 20 ~ 30 parts of isophorone diisocyanate, polymethylene multi-phenenyl isocyanate 20 ~ 30 are equipped with
Part, 43 ~ 57 parts of polypropylene oxide ethoxylated polyhydric alcohol；
（1-2’）By step（1-1’）The polypropylene oxide ethoxylated polyhydric alcohol of outfit is added in reaction kettle, and polypropylene oxide ether is more
First alcohol is heated to 105 ~ 115 DEG C, then vacuum dehydration 2.5 ~ 3.5 hours at 105 ~ 115 DEG C, and vacuum degree is-(6 ~ 10）×10-4
MPa；
（1-3’）Step（1-2’）Vacuum dehydration after the completion of, the material in reaction kettle is cooled to 78 ~ 82 DEG C；Then by different Buddhist
That ketone diisocyanate and polymethylene multi-phenenyl isocyanate are added in reaction kettle, then the material in reaction kettle is warming up to 78
It ~ 82 DEG C, reacts 2.5 ~ 3.5 hours at 78 ~ 82 DEG C, the material in reaction kettle is stirred in reaction process；
（1-4’）Step（1-3’）Reaction after the completion of, the material in reaction kettle is cooled to 45 ~ 50 DEG C, obtains component A；
（2’）Prepare B component
（2-1’）By weight, 59 ~ 70 parts of poly phthalate polyalcohol, pentaerythrite polypropylene oxide ethoxylated polyhydric alcohol are equipped with
30 ~ 40 parts, 0.05 ~ 0.08 part of coupling agent；
（2-2’）By step（2-1’）Poly phthalate polyalcohol, the pentaerythrite polypropylene oxide ethoxylated polyhydric alcohol of outfit add
Enter in reaction kettle, and the material in reaction kettle is heated to 105 ~ 115 DEG C, the then vacuum dehydration 2.5 ~ 3.5 at 105 ~ 115 DEG C
Hour, vacuum degree is-(6 ~ 10）×10-4MPa；
（2-3’）Step（2-2’）Vacuum dehydration after the completion of, the material in reaction kettle is cooled to 45 ~ 50 DEG C；Then by step
（2-1’）The coupling agent of outfit is added in reaction kettle, and B component is obtained after stirring evenly；
(3 ') store component A and B component respectively；
The preparation of (4 ') information coating
When needing to be coated, by component A and B component according to (1 ~ 2)：1 weight ratio is mixed, and is stirred to mixing
Uniformly, required information coating is obtained.
8. the production method of transfer membrane according to claim 7, it is characterised in that：Step（1-1’）Provisioned 43 ~ 57
Part polypropylene oxide ethoxylated polyhydric alcohol includes that the polypropylene oxide ethoxylated polyhydric alcohol that 8 ~ 15 parts of average molecular weight are 400 and 35 ~ 42 parts are flat
The polypropylene oxide ethoxylated polyhydric alcohol that average molecular weight is 2000.
9. the production method of transfer membrane according to claim 7, it is characterised in that：Step（2-1’）Provisioned 59 ~ 70
Part poly phthalate polyalcohol include the poly phthalate polyalcohol that 30 ~ 35 parts of average molecular weight are 2000 and 29 ~
The poly phthalate polyalcohol that 35 parts of average molecular weight are 1600.
10. the production method of transfer membrane according to claim 7, it is characterised in that：Step（2-1’）Provisioned coupling
Agent is siloxanes.
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| CN111647344A (en) * | 2020-06-18 | 2020-09-11 | 湖北绿新环保包装科技有限公司 | Transfer coating |
| CN113667093A (en) * | 2021-08-23 | 2021-11-19 | 昆山华阳新材料股份有限公司 | Polyurethane transfer film and preparation method and application thereof |
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