CN109235126A - A kind of waterproof back applies material and preparation method thereof and application method - Google Patents
A kind of waterproof back applies material and preparation method thereof and application method Download PDFInfo
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- CN109235126A CN109235126A CN201810975046.3A CN201810975046A CN109235126A CN 109235126 A CN109235126 A CN 109235126A CN 201810975046 A CN201810975046 A CN 201810975046A CN 109235126 A CN109235126 A CN 109235126A
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- Prior art keywords
- aqueous
- waterproof
- film
- applies
- lotion
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/12—Defoamers
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
It is carried on the back the invention discloses a kind of waterproof and applies material and preparation method thereof and application method, it includes following components that the waterproof back, which applies material: 20~65 parts of aqueous non-film lotion；10~25 parts of waterborne film-forming lotion；5~18 parts of aqueous cosolvent；0.3~1 part of aqueous additive；10~25 parts of water.Back of the invention applies the proportion science of material, preparation method is simple, can be efficiently applied to the anti-of paper and stick up, and when die cutting procedure maintains the production method of platen, does after back applies in printing process, can thoroughly solve the problems, such as product bending deformation.After processing of the invention, obtained sheet paper products are capable of the ambient humidity of highest adaptation 70%, guarantee that it is not bent volume, to effectively eliminate defective products.
Description
Technical field
Technical field is stuck up the invention belongs to paper is anti-, and in particular to a kind of waterproof back applies material and preparation method thereof and uses
Method.
Background technique
The production area for scalding mould workshop, is mounted with humidifier, can be by opening in the case where production environment humidity is inadequate
The mode for opening humidifier is moderately promoted, but encounters the excessive situation of humidity, such as rainy season, and the humidity outside workshop is inherently relatively
Height, can not wet down by the way of the ventilations such as windowing, enabling.For being rolled up in bending after completing the product moisture absorption of post-press finishing process
The problem of, without effective solution, such as cloud and mist, (9+1 is big, and heavy nine) emboss internal lining paper, 60% or more humidity environment at present in workshop
Under (rain, humidification is not opened in workshop), the Xiao Zhang's product being die cut rapidly absorbs water after lower machine in the short period, rolls up in bending.
Therefore, it is necessary to which inventing a kind of waterproof back in view of the above problems applies material and preparation method thereof and application method.
Summary of the invention
The first object of the present invention is to provide a kind of waterproof back and applies material, and second, which is designed to provide a kind of waterproof back, applies
The preparation method of material, third are designed to provide a kind of application method of waterproof back painting material.
The first object of the present invention is achieved in that including following components:
Aqueous non-film lotion: 20~65 parts；
Waterborne film-forming lotion: 10~25 parts；
Aqueous cosolvent: 5~18 parts；
Aqueous additive: 0.3~1 part；
Water: 10~25 parts.
The second object of the present invention is achieved in that the preparation method is by the aqueous non-film cream of formula rate
Liquid and waterborne film-forming lotion are poured into the dispersator equipped with water, after being uniformly dispersed, are sequentially added aqueous cosolvent, aqueous are added
Add agent, then persistently stir 40~60min, after detection indices are qualified, filtering, packaging apply material to get to waterproof back.
The third object of the present invention be achieved in that the following steps are included:
1) pre-treatment step are as follows: prepared and diluted solvent is carried on the back painting material with waterproof and mixed, and adjustment back applies concentration to suitable upper machine and glues
Degree, so that the dry-coated amount in unit area is 0.5 ~ 5g/m2；
2) back applies: carrying out back painting processing to the back side of internal lining paper, specially uses the gravure equipment of rotary, the leaching of back coated version part
Not in the back coating liquid of ink tank, back coating liquid is transferred to the back side of internal lining paper, through drying under the pressure effect of printing roller by rotation
Case is dry, and relevant parameter is drying temperature, and stem: 70-90 DEG C, 100-120 DEG C of middle part, the product after applying is carried on the back in 70-90 DEG C of tail portion
Rewinding, process after being transferred with roll fashion；
3) crosscutting: to use crosscutting equipment, crosscutting at individual by specification needed for flat pressing flat die-cutting equipment, cutting edge is concordant, light
Sliding, no flash, adhesion, no concentric reducer hang angle；
4) be die cut: using the production method of platen, on flat pressing flat die-cutting equipment, be die-cut to specification 40mm × 215mm at
Product.
Compared with prior art, the present invention has following technical effect that
1, back of the invention applies the proportion science of material, preparation method is simple, can be efficiently applied to the anti-of paper and stick up, work as mould
Cutting process maintains the production method of platen, after printing process does back painting, can thoroughly solve the problems, such as product bending deformation.
2, back of the invention applies material and can be efficiently applied in the production of embossing internal lining paper of Cigarette pack.
3, after processing of the invention, obtained sheet paper products are capable of the ambient humidity of highest adaptation 70%, guarantee it
It is not bent volume, to effectively eliminate defective products.
4, aqueous non-film lotion of the invention is due to its Tg high, so that back is applied with faster rate of drying, more preferably
Brightness.Waterborne film-forming lotion of the invention is since it forms a film, so that back, which applies, has better levelling.
5, the present invention ensure that in unit area by advance adjusting the concentration that back applies material to suitable upper machine viscosity
Suitable dry-coated amount, to determine the flat conditions of final finished.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated, but the present invention is limited in any way,
Based on present invention teach that it is made it is any transform or replace, all belong to the scope of protection of the present invention.
Waterproof back of the present invention applies material, including following components:
Aqueous non-film lotion: 20~65 parts；
Waterborne film-forming lotion: 10~25 parts；
Aqueous cosolvent: 5~18 parts；
Aqueous additive: 0.3~1 part；
Water: 10~25 parts.
Further, the aqueous non-film lotion be the waterborne styrene-acrylic emulsion of non-film, it is aqueous pure-acrylic emulsion, aqueous
One of acetate propylene acid resin, waterborne polyurethane resin are a variety of.
Further, the waterborne film-forming lotion is the waterborne styrene-acrylic emulsion of film forming, aqueous pure-acrylic emulsion, aqueous acetic acid
One of acrylic resin, waterborne polyurethane resin are a variety of.
Further, the aqueous cosolvent is 95% ethyl alcohol.
Further, the aqueous additive is type siloxane defoaming agent.
Further, the water is deionized water.
The preparation method that waterproof of the present invention back applies material is by the aqueous non-film lotion of formula rate and aqueous
Filming emulsion pours into the dispersator equipped with water, after being uniformly dispersed, sequentially adds aqueous cosolvent, aqueous additive, then
40~60min is persistently stirred, after detection indices are qualified, filtering, packaging apply material to get to waterproof back.
Waterproof back of the present invention applies the application method of material, comprising the following steps:
1) pre-treatment step are as follows: prepared and diluted solvent is carried on the back painting material with waterproof and mixed, and adjustment back applies concentration to suitable upper machine and glues
Degree, so that the dry-coated amount in unit area is 0.5 ~ 5g/m2；
2) back applies: carrying out back painting processing to the back side of internal lining paper, specially uses the gravure equipment of rotary, the leaching of back coated version part
Not in the back coating liquid of ink tank, back coating liquid is transferred to the back side of internal lining paper, through drying under the pressure effect of printing roller by rotation
Case is dry, and relevant parameter is drying temperature, and stem: 70-90 DEG C, 100-120 DEG C of middle part, the product after applying is carried on the back in 70-90 DEG C of tail portion
Rewinding, process after being transferred with roll fashion；
3) crosscutting: to use crosscutting equipment, crosscutting at individual by specification needed for flat pressing flat die-cutting equipment, cutting edge is concordant, light
Sliding, no flash, adhesion, no concentric reducer hang angle；
4) be die cut: using the production method of platen, on flat pressing flat die-cutting equipment, be die-cut to specification 40mm × 215mm at
Product.
Further, retarder thinner as described in step (1) is deionized water.
Further, internal lining paper described in step (2) is the embossing internal lining paper of Cigarette pack.
Further, cross cutting described in step (4) is specially to use 20 spelling PVC+ plank combined type die cutting plates, with height
For 23.8mm, with a thickness of the soft steel knife of 0.7mm, and height is 23.8mm, and facewidth tooth pitch specification is the serrated knife of 1mm × 1mm,
The machine of 3500-4500/hour is fast, under the pressure of 120T, is die cut.
Embodiment 1
A kind of waterproof back painting material, including following components by weight percent:
Aqueous non-film lotion: 20 parts；
Waterborne film-forming lotion: 10 parts；
Aqueous cosolvent: 5 parts；
Aqueous additive: 0.3 part；
Water: 10 parts.
The aqueous non-film lotion is the waterborne styrene-acrylic emulsion of non-film.The waterborne film-forming lotion is film forming
Waterborne styrene-acrylic emulsion.The aqueous cosolvent is 95% ethyl alcohol.The aqueous additive is type siloxane defoaming agent.The water is
Deionized water.
A kind of waterproof back as described above applies the preparation method of material, specifically: by the aqueous non-film cream of formula rate
Liquid and waterborne film-forming lotion are poured into the dispersator equipped with water, after being uniformly dispersed, are sequentially added aqueous cosolvent, aqueous are added
Add agent, then persistently stir 40min, after detection indices are qualified, filtering, packaging apply material to get to waterproof back.
A kind of waterproof back as described above applies the application method of material, comprising the following steps:
1) pre-treatment step are as follows: prepared and diluted solvent is carried on the back painting material with waterproof and mixed, and adjustment back applies concentration to suitable upper machine and glues
Degree, so that the dry-coated amount in unit area is 0.5g/m2；The retarder thinner is deionized water；
2) back applies: carrying out back painting processing to the back side of internal lining paper, specially uses the gravure equipment of rotary, the leaching of back coated version part
Not in the back coating liquid of ink tank, back coating liquid is transferred to the back side of internal lining paper, through drying under the pressure effect of printing roller by rotation
Case is dry, and relevant parameter is drying temperature, and stem: 70 DEG C, the product rewinding after applying is carried on the back in 100 DEG C of middle part, 70 DEG C of tail portion, with volume
Process after cylinder mode transfers；The internal lining paper is the embossing internal lining paper of Cigarette pack；
3) crosscutting: to use crosscutting equipment, crosscutting at individual by specification needed for flat pressing flat die-cutting equipment, cutting edge is concordant, light
Sliding, no flash, adhesion, no concentric reducer hang angle；
4) it is die cut: using the production method of platen, on flat pressing flat die-cutting equipment, spelling PVC+ plank combined type using 20 and be die cut
Plate is 23.8mm with height, and with a thickness of the soft steel knife of 0.7mm, and height is 23.8mm, and facewidth tooth pitch specification is 1mm × 1mm
Serrated knife under the pressure of 120T, be die-cut to the finished product of specification 40mm × 215mm in the machine speed of 3500/hour.
Embodiment 2
A kind of waterproof back painting material, including following components by weight percent:
Aqueous non-film lotion: 65 parts；
Waterborne film-forming lotion: 25 parts；
Aqueous cosolvent: 18 parts；
Aqueous additive: 1 part；
Water: 25 parts.
The aqueous non-film lotion is the waterborne styrene-acrylic emulsion of non-film, aqueous pure-acrylic emulsion.It is described it is aqueous at
Film lotion is the aqueous acetic acid acrylic resin of film forming, waterborne polyurethane resin.The aqueous cosolvent is 95% ethyl alcohol.It is described
Aqueous additive is type siloxane defoaming agent.The water is deionized water.
A kind of waterproof back as described above applies the preparation method of material, specifically: by the aqueous non-film cream of formula rate
Liquid and waterborne film-forming lotion are poured into the dispersator equipped with water, after being uniformly dispersed, are sequentially added aqueous cosolvent, aqueous are added
Add agent, then persistently stir 60min, after detection indices are qualified, filtering, packaging apply material to get to waterproof back.
A kind of waterproof back as described above applies the application method of material, comprising the following steps:
1) pre-treatment step are as follows: prepared and diluted solvent is carried on the back painting material with waterproof and mixed, and adjustment back applies concentration to suitable upper machine and glues
Degree, so that the dry-coated amount in unit area is 5g/m2；The retarder thinner is ethyl alcohol；
2) back applies: carrying out back painting processing to the back side of internal lining paper, specially uses the gravure equipment of rotary, the leaching of back coated version part
Not in the back coating liquid of ink tank, back coating liquid is transferred to the back side of internal lining paper, through drying under the pressure effect of printing roller by rotation
Case is dry, and relevant parameter is drying temperature, and stem: 90 DEG C, the product rewinding after applying is carried on the back in 120 DEG C of middle part, 90 DEG C of tail portion, with volume
Process after cylinder mode transfers；
3) crosscutting: to use crosscutting equipment, crosscutting at individual by specification needed for flat pressing flat die-cutting equipment, cutting edge is concordant, light
Sliding, no flash, adhesion, no concentric reducer hang angle；
4) it is die cut: using the production method of platen, on flat pressing flat die-cutting equipment, spelling PVC+ plank combined type using 20 and be die cut
Plate is 23.8mm with height, and with a thickness of the soft steel knife of 0.7mm, and height is 23.8mm, and facewidth tooth pitch specification is 1mm × 1mm
Serrated knife under the pressure of 120T, be die-cut to the finished product of specification 40mm × 215mm in the machine speed of 4500/hour.
Embodiment 3
A kind of waterproof back painting material, including following components by weight percent:
Aqueous non-film lotion: 30 parts；
Waterborne film-forming lotion: 15 parts；
Aqueous cosolvent: 10 parts；
Aqueous additive: 0.5 part；
Water: 15 parts.
The aqueous non-film lotion is aqueous acetic acid acrylic resin, the waterborne polyurethane resin of non-film.It is described
Waterborne film-forming lotion be film forming waterborne styrene-acrylic emulsion, aqueous pure-acrylic emulsion.The aqueous cosolvent is 95% ethyl alcohol.It is described
Aqueous additive is type siloxane defoaming agent.The water is deionized water.
A kind of waterproof back as described above applies the preparation method of material, specifically: by the aqueous non-film cream of formula rate
Liquid and waterborne film-forming lotion are poured into the dispersator equipped with water, after being uniformly dispersed, are sequentially added aqueous cosolvent, aqueous are added
Add agent, then persistently stir 45min, after detection indices are qualified, filtering, packaging apply material to get to waterproof back.
A kind of waterproof back as described above applies the application method of material, comprising the following steps:
1) pre-treatment step are as follows: prepared and diluted solvent is carried on the back painting material with waterproof and mixed, and adjustment back applies concentration to suitable upper machine and glues
Degree, so that the dry-coated amount in unit area is 1g/m2；The retarder thinner is deionized water；
2) back applies: carrying out back painting processing to the back side of internal lining paper, specially uses the gravure equipment of rotary, the leaching of back coated version part
Not in the back coating liquid of ink tank, back coating liquid is transferred to the back side of internal lining paper, through drying under the pressure effect of printing roller by rotation
Case is dry, and relevant parameter is drying temperature, and stem: 75 DEG C, the product rewinding after applying is carried on the back in 105 DEG C of middle part, 75 DEG C of tail portion, with volume
Process after cylinder mode transfers；The internal lining paper is the embossing internal lining paper of Cigarette pack；
3) crosscutting: to use crosscutting equipment, crosscutting at individual by specification needed for flat pressing flat die-cutting equipment, cutting edge is concordant, light
Sliding, no flash, adhesion, no concentric reducer hang angle；
4) it is die cut: using the production method of platen, on flat pressing flat die-cutting equipment, spelling PVC+ plank combined type using 20 and be die cut
Plate is 23.8mm with height, and with a thickness of the soft steel knife of 0.7mm, and height is 23.8mm, and facewidth tooth pitch specification is 1mm × 1mm
Serrated knife under the pressure of 120T, be die-cut to the finished product of specification 40mm × 215mm in the machine speed of 3800/hour.
Embodiment 4
A kind of waterproof back painting material, including following components by weight percent:
Aqueous non-film lotion: 40 parts；
Waterborne film-forming lotion: 20 parts；
Aqueous cosolvent: 15 parts；
Aqueous additive: 0.6 part；
Water: 20 parts.
The aqueous non-film lotion is the waterborne styrene-acrylic emulsion of non-film, aqueous pure-acrylic emulsion, aqueous acetic acid propylene
Acid resin, waterborne polyurethane resin.The waterborne film-forming lotion is the waterborne styrene-acrylic emulsion of film forming, aqueous pure-acrylic emulsion, water
Property acetate propylene acid resin, waterborne polyurethane resin.The aqueous cosolvent is 95% ethyl alcohol.The aqueous additive is silicon oxygen
Alkanes defoaming agent.The water is deionized water.
A kind of waterproof back as described above applies the preparation method of material, specifically: by the aqueous non-film cream of formula rate
Liquid and waterborne film-forming lotion are poured into the dispersator equipped with water, after being uniformly dispersed, are sequentially added aqueous cosolvent, aqueous are added
Add agent, then persistently stir 50min, after detection indices are qualified, filtering, packaging apply material to get to waterproof back.
A kind of waterproof back as described above applies the application method of material, comprising the following steps:
1) pre-treatment step are as follows: prepared and diluted solvent is carried on the back painting material with waterproof and mixed, and adjustment back applies concentration to suitable upper machine and glues
Degree, so that the dry-coated amount in unit area is 2g/m2；The retarder thinner is deionized water；
2) back applies: carrying out back painting processing to the back side of internal lining paper, specially uses the gravure equipment of rotary, the leaching of back coated version part
Not in the back coating liquid of ink tank, back coating liquid is transferred to the back side of internal lining paper, through drying under the pressure effect of printing roller by rotation
Case is dry, and relevant parameter is drying temperature, and stem: 80 DEG C, the product rewinding after applying is carried on the back in 110 DEG C of middle part, 80 DEG C of tail portion, with volume
Process after cylinder mode transfers；The internal lining paper is the embossing internal lining paper of Cigarette pack；
3) crosscutting: to use crosscutting equipment, crosscutting at individual by specification needed for flat pressing flat die-cutting equipment, cutting edge is concordant, light
Sliding, no flash, adhesion, no concentric reducer hang angle；
4) it is die cut: using the production method of platen, on flat pressing flat die-cutting equipment, spelling PVC+ plank combined type using 20 and be die cut
Plate is 23.8mm with height, and with a thickness of the soft steel knife of 0.7mm, and height is 23.8mm, and facewidth tooth pitch specification is 1mm × 1mm
Serrated knife under the pressure of 120T, be die-cut to the finished product of specification 40mm × 215mm in the machine speed of 4000/hour.
Embodiment 5
A kind of waterproof back painting material, including following components by weight percent:
Aqueous non-film lotion: 50 parts；
Waterborne film-forming lotion: 12 parts；
Aqueous cosolvent: 8 parts；
Aqueous additive: 0.8 part；
Water: 12 parts.
The aqueous non-film lotion is the waterborne styrene-acrylic emulsion of non-film.The waterborne film-forming lotion is film forming
Waterborne polyurethane resin.The aqueous cosolvent is 95% ethyl alcohol.The aqueous additive is type siloxane defoaming agent.The water
For deionized water.
A kind of waterproof back as described above applies the preparation method of material, specifically: by the aqueous non-film cream of formula rate
Liquid and waterborne film-forming lotion are poured into the dispersator equipped with water, after being uniformly dispersed, are sequentially added aqueous cosolvent, aqueous are added
Add agent, then persistently stir 55min, after detection indices are qualified, filtering, packaging apply material to get to waterproof back.
A kind of waterproof back as described above applies the application method of material, comprising the following steps:
1) pre-treatment step are as follows: prepared and diluted solvent is carried on the back painting material with waterproof and mixed, and adjustment back applies concentration to suitable upper machine and glues
Degree, so that the dry-coated amount in unit area is 3g/m2；The retarder thinner is deionized water；
2) back applies: carrying out back painting processing to the back side of internal lining paper, specially uses the gravure equipment of rotary, the leaching of back coated version part
Not in the back coating liquid of ink tank, back coating liquid is transferred to the back side of internal lining paper, through drying under the pressure effect of printing roller by rotation
Case is dry, and relevant parameter is drying temperature, and stem: 85 DEG C, the product rewinding after applying is carried on the back in 115 DEG C of middle part, 85 DEG C of tail portion, with volume
Process after cylinder mode transfers；The internal lining paper is the embossing internal lining paper of Cigarette pack；
3) crosscutting: to use crosscutting equipment, crosscutting at individual by specification needed for flat pressing flat die-cutting equipment, cutting edge is concordant, light
Sliding, no flash, adhesion, no concentric reducer hang angle；
4) it is die cut: using the production method of platen, on flat pressing flat die-cutting equipment, spelling PVC+ plank combined type using 20 and be die cut
Plate is 23.8mm with height, and with a thickness of the soft steel knife of 0.7mm, and height is 23.8mm, and facewidth tooth pitch specification is 1mm × 1mm
Serrated knife under the pressure of 120T, be die-cut to the finished product of specification 40mm × 215mm in the machine speed of 4200/hour.
Claims (10)
1. a kind of waterproof back applies material, it is characterised in that including following components:
Aqueous non-film lotion: 20~65 parts；
Waterborne film-forming lotion: 10~25 parts；
Aqueous cosolvent: 5~18 parts；
Aqueous additive: 0.3~1 part；
Water: 10~25 parts.
2. waterproof back according to claim 1 applies material, it is characterised in that the aqueous non-film lotion is non-film
Waterborne styrene-acrylic emulsion, aqueous pure-acrylic emulsion, aqueous acetic acid acrylic resin, one of waterborne polyurethane resin or a variety of.
3. waterproof back according to claim 1 applies material, it is characterised in that the waterborne film-forming lotion is the water of film forming
One of property styrene-acrylic emulsion, aqueous pure-acrylic emulsion, aqueous acetic acid acrylic resin, waterborne polyurethane resin are a variety of.
4. waterproof back according to claim 1 applies material, it is characterised in that the aqueous cosolvent is 95% ethyl alcohol.
5. waterproof back according to claim 1 applies material, it is characterised in that the aqueous additive is type siloxane defoaming
Agent.
6. waterproof back according to claim 1 applies material, it is characterised in that the water is deionized water.
7. the preparation method that a kind of waterproof back any according to claim 1 ~ 6 applies material, it is characterised in that by recipe ratio
The aqueous non-film lotion and waterborne film-forming lotion of example are poured into the dispersator equipped with water, after being uniformly dispersed, are sequentially added
Aqueous cosolvent, aqueous additive, then 40~60min is persistently stirred, after detection indices are qualified, filtering is packed to get arriving
Waterproof back applies material.
8. the application method that a kind of waterproof back any according to claim 1 ~ 6 applies material, it is characterised in that including following
Step:
1) pre-treatment: prepared and diluted solvent is carried on the back painting material with waterproof and is mixed, adjustment back painting concentration to suitable upper machine viscosity, so that
Dry-coated amount in unit area is 0.5 ~ 5g/m2；
2) back applies: carrying out back painting processing to the back side of internal lining paper, specially uses the gravure equipment of rotary, the leaching of back coated version part
Not in the back coating liquid of ink tank, back coating liquid is transferred to the back side of internal lining paper, through drying under the pressure effect of printing roller by rotation
Case is dry, and relevant parameter is drying temperature, and stem: 70-90 DEG C, 100-120 DEG C of middle part, the product after applying is carried on the back in 70-90 DEG C of tail portion
Rewinding, process after being transferred with roll fashion；
3) crosscutting: to use crosscutting equipment, crosscutting at individual by specification needed for flat pressing flat die-cutting equipment, cutting edge is concordant, light
Sliding, no flash, adhesion, no concentric reducer hang angle；
4) be die cut: using the production method of platen, on flat pressing flat die-cutting equipment, be die-cut to specification 40mm × 215mm at
Product.
9. the application method that waterproof back according to claim 8 applies material, it is characterised in that dilution as described in step (1)
Solvent is deionized water, and internal lining paper described in step (2) is the embossing internal lining paper of Cigarette pack.
10. the application method that waterproof back according to claim 8 applies material, it is characterised in that mould described in step (4)
It cuts and specially spells PVC+ plank combined type die cutting plate using 20, be 23.8mm with height, with a thickness of the soft steel knife of 0.7mm, and
Height is 23.8mm, and facewidth tooth pitch specification is the serrated knife of 1mm × 1mm, in the machine speed of 3500-4500/hour, the pressure of 120T
Under, it is die cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810975046.3A CN109235126A (en) | 2018-08-24 | 2018-08-24 | A kind of waterproof back applies material and preparation method thereof and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810975046.3A CN109235126A (en) | 2018-08-24 | 2018-08-24 | A kind of waterproof back applies material and preparation method thereof and application method |
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| CN110093079A (en) * | 2019-06-04 | 2019-08-06 | 中山市海恒包装材料有限公司 | Ensure the environment protecting water-based paint and production technology of cigarette wrapper printing planarization |
| CN110802935A (en) * | 2019-11-19 | 2020-02-18 | 东莞市信彩包装有限公司 | Anti-cracking printing method for printing ink at bending part of paper box |
| CN114263071A (en) * | 2021-12-27 | 2022-04-01 | 广西真龙彩印包装有限公司 | Coating liquid for improving flatness of gravure cigarette label paper and application method thereof |
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| CN114263071A (en) * | 2021-12-27 | 2022-04-01 | 广西真龙彩印包装有限公司 | Coating liquid for improving flatness of gravure cigarette label paper and application method thereof |
| CN114263071B (en) * | 2021-12-27 | 2022-09-23 | 广西真龙彩印包装有限公司 | Coating liquid for improving flatness of gravure cigarette label paper and application method thereof |
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Application publication date: 20190118 |