CN113106773A - Aluminum-free transparent laser environment-friendly liner paper material and preparation process thereof - Google Patents
Aluminum-free transparent laser environment-friendly liner paper material and preparation process thereof Download PDFInfo
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- CN113106773A CN113106773A CN202010022898.8A CN202010022898A CN113106773A CN 113106773 A CN113106773 A CN 113106773A CN 202010022898 A CN202010022898 A CN 202010022898A CN 113106773 A CN113106773 A CN 113106773A
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- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- 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
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/20—Organic non-cellulose fibres from 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/14—Carboxylic acids; Derivatives thereof
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/36—Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
- D21H17/55—Polyamides; Polyaminoamides; Polyester-amides
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- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
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- 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
-
- 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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- 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
- 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
- D21H21/18—Reinforcing agents
- D21H21/20—Wet strength agents
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- 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
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Dispersion Chemistry (AREA)
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Abstract
The invention discloses an aluminum-free transparent laser environment-friendly liner paper material and a preparation process thereof, wherein the aluminum-free transparent laser environment-friendly liner paper material comprises base paper, a PET film, a water-based transfer adhesive and a high barrier layer, wherein the base paper is prepared from the following raw materials in parts by weight: 25-40 parts of cotton pulp, 30-48 parts of pinus sylvestris wood pulp, 5-7 parts of polyaniline nanofiber, 0.2-0.4 part of taurine, 3-4 parts of glycolic acid, 0.2-0.4 part of sodium hyaluronate, 2-3 parts of poly N-isopropylacrylamide, 2-7 parts of PAE wet strength agent, 13-17 parts of sepiolite wool, 11-15 parts of 800-sand 1250-mesh environment-friendly pigment, 9-14 parts of adhesive and 2-6 parts of auxiliary agent, wherein the high-barrier base material comprises the following components: 14-21% of polyvinyl alcohol, 6-11% of defoaming agent, 5-9% of stabilizing agent, 4-11% of carbon nano fiber, 14-18% of polyvinylidene chloride and 33-44% of water. This can effectually provide the anti mould effect of body paper itself through materials such as taurine in the middle of the body paper, add high barrier layer simultaneously on the body paper, can improve the closely knit degree of paper when carrying out seal packing to reach dual mould proof's effect.
Description
Technical Field
The invention relates to the technical field of lining paper, in particular to an aluminum-free transparent laser environment-friendly lining paper material and a preparation process thereof.
Background
The lining paper is widely applied to industries such as food, tobacco and daily life, and can separate a product from an outer package to avoid the outer package from being affected with damp and the like and influence on the inner product.
According to the authorized publication number CN104354484A, the lining paper for the aluminum-free transparent laser environment-friendly cigarette comprises paper, a PET film and water-based transfer glue, wherein the PET film is molded into laser patterns with various patterns by a molding press and is compounded with the water-based transfer glue; after peeling off the PET film, transferring the laser pattern to paper; plating a layer of transparent medium on the stripped paper with the laser pattern by using a vacuum aluminum plating machine; carrying out water supplementing process treatment on the paper plated with the transparent medium and provided with the laser pattern; the cigarette logo was printed with a gravure printing press.
Because the technology of the invention adopts reasonable proportion and new process technology, the outstanding problems of unclear embossing, easy rebound, non-folding resistance and the like of the paper are solved, and compared with the prior art, the invention has the advantages of environmental protection, capability of keeping the original physical properties of the paper, good flexibility forming degree, non-rebound and folding resistance, clear and accurate printed characters and the like.
But because the chooseing for use problem of paper, when packing food, some food or daily necessities have certain moist condition, if adopt this type of body paper, probably lead to mycotic breeding, simultaneously, also need guarantee closely knit nature, avoid contacting easily with the outside air.
Disclosure of Invention
The invention aims to provide an aluminum-free transparent laser environment-friendly liner paper material and a preparation process thereof, and aims to solve the problems of mould breeding elimination and compactness.
In order to achieve the purpose, the invention provides the following technical scheme: the aluminum-free transparent laser environment-friendly liner paper material comprises base paper, a PET (polyethylene terephthalate) film, a water-based transfer adhesive and a high barrier layer, wherein the base paper is prepared from the following raw materials in parts by weight: 25-40 parts of cotton pulp, 30-48 parts of pinus sylvestris wood pulp, 5-7 parts of polyaniline nanofiber, 0.2-0.4 part of taurine, 3-4 parts of glycolic acid, 0.2-0.4 part of sodium hyaluronate, 2-3 parts of poly N-isopropylacrylamide, 2-7 parts of PAE wet strength agent, 13-17 parts of sepiolite wool, 11-15 parts of 800-sand 1250-mesh environment-friendly pigment, 9-14 parts of adhesive and 2-6 parts of auxiliary agent, wherein the high-barrier base material comprises the following components: 14-21% of polyvinyl alcohol, 6-11% of defoaming agent, 5-9% of stabilizing agent, 4-11% of carbon nano fiber, 14-18% of polyvinylidene chloride and 33-44% of water.
Preferably, the preparation process of the base paper comprises the following steps:
the first step is as follows: firstly, cotton pulp, pinus sylvestris pulp, polyaniline nano-fiber and glycolic acid are mixed and put into a beating machine to be diluted and beaten by adding water, and the beating degree is 25-300SR。
The second step is that: and (3) mixing the material obtained in the first step with other residual components except the pigment, the adhesive and the auxiliary agent, stirring and mixing for 1-2h, and then papermaking and drying the mixed slurry by a fourdrinier machine to obtain a semi-finished base paper.
The third step: and (2) adding the adhesive into water with the weight twice that of the adhesive, diluting uniformly, adding the auxiliary agent and the pigment, stirring at a high speed to completely and uniformly mix the adhesive and the pigment to obtain a surface coating liquid, coating the surface coating liquid on the surface of the semi-finished base paper obtained in the second step, drying, performing surface press polishing and finishing, and reeling to obtain the base paper finished paper.
Preferably, the adhesive in the third step is an aqueous non-toxic adhesive.
Preferably, the preparation process of the high barrier layer is as follows:
the first step is as follows: adding polyvinyl alcohol into water, stirring, mixing and dissolving, wherein the temperature rise speed is not more than 150 ℃/h, and obtaining polyvinyl alcohol mixed solution for later use;
the second step is that: when the prepared polyvinyl alcohol mixed solution is cooled to 20-25 ℃, sequentially adding a defoaming agent and a stabilizing agent, stirring and mixing, and then placing at constant temperature;
the third step: adding carbon nanofiber and polyvinylidene chloride into the solution placed at a constant temperature, stirring, mixing and reacting at the reaction temperature of 70-80 ℃, and obtaining the high-barrier coating after the reaction is finished.
Preferably, the defoaming agent is made of polyethylene glycol ether material, and the stabilizer is made of ammonium thiocyanate material.
Preferably, the preparation process of the combination of the high barrier layer and the base paper comprises the following steps:
the first step is as follows: under the action of constant tension, flattening the base paper by a guide roller, and coating by adopting a reverse gravure;
the second step is that: and coating the prepared high-barrier coating on the surface of the base paper and drying to obtain the aluminum-free environment-friendly lining paper.
Preferably, the pattern processing preparation process of the base paper comprises the following steps:
the first step is as follows: preparing a PET film into laser patterns with various patterns, and compounding the laser patterns with the paper by using an aqueous transfer adhesive;
the second step is that: after peeling off the PET film, the laser pattern is transferred to the paper.
Preferably, the film-pressing process in the first step may be performed using a die press.
Compared with the prior art, the invention has the beneficial effects that: the raw paper can effectively provide the anti-mould effect of the raw paper by the materials such as taurine and the like in the raw paper;
meanwhile, the high barrier layer is added on the base paper, so that the compactness of the paper in the process of sealing and packaging can be improved, and the dual mould-proof effect is achieved.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The invention provides a technical scheme that: the aluminum-free transparent laser environment-friendly liner paper material comprises base paper, a PET (polyethylene terephthalate) film, a water-based transfer adhesive and a high barrier layer, wherein the base paper is prepared from the following raw materials in parts by weight: 28 parts of cotton pulp, 31 parts of pinus sylvestris wood pulp, 5 parts of polyaniline nanofiber, 0.2 part of taurine, 3 parts of glycolic acid, 0.3 part of sodium hyaluronate, 2.5 parts of poly-N-isopropylacrylamide, 5 parts of PAE wet strength agent, 14 parts of sepiolite wool, 13 parts of 800-plus 1250-mesh environment-friendly pigment, 11 parts of adhesive and 3 parts of auxiliary agent, wherein the high-barrier base material comprises the following components: 15% of polyvinyl alcohol, 7% of defoaming agent, 8% of stabilizer, 10% of carbon nanofiber, 15% of polyvinylidene chloride and 38% of water.
The preparation process of the base paper comprises the following steps:
the first step is as follows: firstly, cotton pulp, pinus sylvestris pulp, polyaniline nano-fiber and glycolic acid are mixed and put into a beating machine to be diluted and beaten by adding water, and the beating degree is 260SR。
The second step is that: and (3) mixing the material obtained in the first step with other residual components except the pigment, the adhesive and the auxiliary agent, stirring and mixing for 1-2h, and then papermaking and drying the mixed slurry by a fourdrinier machine to obtain a semi-finished base paper.
The third step: and (2) adding the adhesive into water with the weight twice that of the adhesive, diluting uniformly, adding the auxiliary agent and the pigment, stirring at a high speed to completely and uniformly mix the adhesive and the pigment to obtain a surface coating liquid, coating the surface coating liquid on the surface of the semi-finished base paper obtained in the second step, drying, performing surface press polishing and finishing, and reeling to obtain the base paper finished paper.
The adhesive in the third step is water-based non-toxic adhesive.
The preparation process of the high barrier layer comprises the following steps:
the first step is as follows: adding polyvinyl alcohol into water, stirring, mixing and dissolving, wherein the temperature rise speed is not more than 150 ℃/h, and obtaining polyvinyl alcohol mixed solution for later use;
the second step is that: when the prepared polyvinyl alcohol mixed solution is cooled to 21 ℃, sequentially adding a defoaming agent and a stabilizing agent, stirring and mixing, and then placing at constant temperature;
the third step: adding carbon nanofiber and polyvinylidene chloride into the solution placed at a constant temperature, stirring, mixing and reacting at the reaction temperature of 70 ℃, and obtaining the high-barrier coating after the reaction is finished.
The defoaming agent is made of polyethylene glycol ether material, and the stabilizer is made of ammonium thiocyanate material.
The combined preparation process of the high barrier layer and the base paper comprises the following steps:
the first step is as follows: under the action of constant tension, flattening the base paper by a guide roller, and coating by adopting a reverse gravure;
the second step is that: and coating the prepared high-barrier coating on the surface of the base paper and drying to obtain the aluminum-free environment-friendly lining paper.
The pattern processing preparation process of the base paper comprises the following steps:
the first step is as follows: preparing a PET film into laser patterns with various patterns, and compounding the laser patterns with the paper by using an aqueous transfer adhesive;
the second step is that: after peeling off the PET film, the laser pattern is transferred to the paper.
The film-pressing process in the first step may be performed using a die press.
Example 2
The invention provides a technical scheme that: the aluminum-free transparent laser environment-friendly liner paper material comprises base paper, a PET (polyethylene terephthalate) film, a water-based transfer adhesive and a high barrier layer, wherein the base paper is prepared from the following raw materials in parts by weight: 30 parts of cotton pulp, 47 parts of pinus sylvestris wood pulp, 5 parts of polyaniline nanofiber, 0.3 part of taurine, 4 parts of glycolic acid, 0.4 part of sodium hyaluronate, 3 parts of poly-N-isopropylacrylamide, 3 parts of PAE wet strength agent, 15 parts of sepiolite wool, 15 parts of 800-plus-1250-mesh environment-friendly pigment, 13 parts of adhesive and 4 parts of auxiliary agent, wherein the high-barrier base material comprises the following components: 20% of polyvinyl alcohol, 9% of defoaming agent, 7% of stabilizer, 10% of carbon nanofiber, 15% of polyvinylidene chloride and 40% of water.
The preparation process of the base paper comprises the following steps:
the first step is as follows: firstly, cotton pulp, pinus sylvestris pulp, polyaniline nano-fiber and glycolic acid are mixed and put into a beating machine to be diluted and beaten by adding water, and the beating degree is 270SR。
The second step is that: and (3) mixing the material obtained in the first step with other residual components except the pigment, the adhesive and the auxiliary agent, stirring and mixing for 1-2h, and then papermaking and drying the mixed slurry by a fourdrinier machine to obtain a semi-finished base paper.
The third step: and (2) adding the adhesive into water with the weight twice that of the adhesive, diluting uniformly, adding the auxiliary agent and the pigment, stirring at a high speed to completely and uniformly mix the adhesive and the pigment to obtain a surface coating liquid, coating the surface coating liquid on the surface of the semi-finished base paper obtained in the second step, drying, performing surface press polishing and finishing, and reeling to obtain the base paper finished paper.
The adhesive in the third step is water-based non-toxic adhesive.
The preparation process of the high barrier layer comprises the following steps:
the first step is as follows: adding polyvinyl alcohol into water, stirring, mixing and dissolving, wherein the temperature rise speed is not more than 150 ℃/h, and obtaining polyvinyl alcohol mixed solution for later use;
the second step is that: when the prepared polyvinyl alcohol mixed solution is cooled to 23 ℃, sequentially adding a defoaming agent and a stabilizing agent, stirring and mixing, and then placing at constant temperature;
the third step: adding carbon nanofiber and polyvinylidene chloride into the solution placed at a constant temperature, stirring, mixing and reacting at the reaction temperature of 70 ℃, and obtaining the high-barrier coating after the reaction is finished.
The defoaming agent is made of polyethylene glycol ether material, and the stabilizer is made of ammonium thiocyanate material.
The combined preparation process of the high barrier layer and the base paper comprises the following steps:
the first step is as follows: under the action of constant tension, flattening the base paper by a guide roller, and coating by adopting a reverse gravure;
the second step is that: and coating the prepared high-barrier coating on the surface of the base paper and drying to obtain the aluminum-free environment-friendly lining paper.
The pattern processing preparation process of the base paper comprises the following steps:
the first step is as follows: preparing a PET film into laser patterns with various patterns, and compounding the laser patterns with the paper by using an aqueous transfer adhesive;
the second step is that: after peeling off the PET film, the laser pattern is transferred to the paper.
The film-pressing process in the first step may be performed using a die press.
Example 3
The invention provides a technical scheme that: the aluminum-free transparent laser environment-friendly liner paper material comprises base paper, a PET (polyethylene terephthalate) film, a water-based transfer adhesive and a high barrier layer, wherein the base paper is prepared from the following raw materials in parts by weight: 35 parts of cotton pulp, 45 parts of pinus sylvestris wood pulp, 6 parts of polyaniline nanofiber, 0.4 part of taurine, 3 parts of glycolic acid, 0.2 part of sodium hyaluronate, 2 parts of poly-N-isopropylacrylamide, 5 parts of PAE wet strength agent, 16 parts of sepiolite wool, 15 parts of 800-plus-1250-mesh environment-friendly pigment, 13 parts of adhesive and 4 parts of auxiliary agent, wherein the high-barrier base material comprises the following components: 19% of polyvinyl alcohol, 7% of defoaming agent, 6% of stabilizer, 10% of carbon nano fiber, 17% of polyvinylidene chloride and 42% of water.
The preparation process of the base paper comprises the following steps:
the first step is as follows: firstly, cotton pulp, pinus sylvestris pulp, polyaniline nano-fiber and glycolic acid are mixed and put into a beating machine to be diluted and beaten by adding water, and the beating degree is 290SR。
The second step is that: and (3) mixing the material obtained in the first step with other residual components except the pigment, the adhesive and the auxiliary agent, stirring and mixing for 1-2h, and then papermaking and drying the mixed slurry by a fourdrinier machine to obtain a semi-finished base paper.
The third step: and (2) adding the adhesive into water with the weight twice that of the adhesive, diluting uniformly, adding the auxiliary agent and the pigment, stirring at a high speed to completely and uniformly mix the adhesive and the pigment to obtain a surface coating liquid, coating the surface coating liquid on the surface of the semi-finished base paper obtained in the second step, drying, performing surface press polishing and finishing, and reeling to obtain the base paper finished paper.
The adhesive in the third step is water-based non-toxic adhesive.
The preparation process of the high barrier layer comprises the following steps:
the first step is as follows: adding polyvinyl alcohol into water, stirring, mixing and dissolving, wherein the temperature rise speed is not more than 150 ℃/h, and obtaining polyvinyl alcohol mixed solution for later use;
the second step is that: when the prepared polyvinyl alcohol mixed solution is cooled to 23 ℃, sequentially adding a defoaming agent and a stabilizing agent, stirring and mixing, and then placing at constant temperature;
the third step: adding carbon nanofiber and polyvinylidene chloride into the solution placed at a constant temperature, stirring, mixing and reacting at the reaction temperature of 77 ℃, and obtaining the high-barrier coating after the reaction is finished.
The defoaming agent is made of polyethylene glycol ether material, and the stabilizer is made of ammonium thiocyanate material.
The combined preparation process of the high barrier layer and the base paper comprises the following steps:
the first step is as follows: under the action of constant tension, flattening the base paper by a guide roller, and coating by adopting a reverse gravure;
the second step is that: and coating the prepared high-barrier coating on the surface of the base paper and drying to obtain the aluminum-free environment-friendly lining paper.
The pattern processing preparation process of the base paper comprises the following steps:
the first step is as follows: preparing a PET film into laser patterns with various patterns, and compounding the laser patterns with the paper by using an aqueous transfer adhesive;
the second step is that: after peeling off the PET film, the laser pattern is transferred to the paper.
The film-pressing process in the first step may be performed using a die press.
Claims (8)
1. An aluminum-free transparent laser environment-friendly liner paper material and a preparation process thereof, which comprises base paper, a PET film, a water-based transfer adhesive and a high barrier layer, and is characterized in that: the base paper is prepared from the following raw materials in parts by weight: 25-40 parts of cotton pulp, 30-48 parts of pinus sylvestris wood pulp, 5-7 parts of polyaniline nanofiber, 0.2-0.4 part of taurine, 3-4 parts of glycolic acid, 0.2-0.4 part of sodium hyaluronate, 2-3 parts of poly N-isopropylacrylamide, 2-7 parts of PAE wet strength agent, 13-17 parts of sepiolite wool, 11-15 parts of 800-sand 1250-mesh environment-friendly pigment, 9-14 parts of adhesive and 2-6 parts of auxiliary agent, wherein the high-barrier base material comprises the following components: 14-21% of polyvinyl alcohol, 6-11% of defoaming agent, 5-9% of stabilizing agent, 4-11% of carbon nano fiber, 14-18% of polyvinylidene chloride and 33-44% of water.
2. The aluminum-free transparent laser environment-friendly liner paper material and the preparation process thereof according to claim 1, characterized in that: the preparation process of the base paper comprises the following steps:
the first step is as follows: firstly, cotton pulp, pinus wood pulp, polyaniline nano-fiber and glycolic acid are mixed and put into a beating machine to be diluted and beaten by adding water, and the beating degree is25-300SR。
The second step is that: and (3) mixing the material obtained in the first step with other residual components except the pigment, the adhesive and the auxiliary agent, stirring and mixing for 1-2h, and then papermaking and drying the mixed slurry by a fourdrinier machine to obtain a semi-finished base paper.
The third step: and (2) adding the adhesive into water with the weight twice that of the adhesive, diluting uniformly, adding the auxiliary agent and the pigment, stirring at a high speed to completely and uniformly mix the adhesive and the pigment to obtain a surface coating liquid, coating the surface coating liquid on the surface of the semi-finished base paper obtained in the second step, drying, performing surface press polishing and finishing, and reeling to obtain the base paper finished paper.
3. The aluminum-free transparent laser environment-friendly liner paper material and the preparation process thereof according to claim 2, characterized in that: the adhesive in the third step is an aqueous nontoxic adhesive.
4. The aluminum-free transparent laser environment-friendly liner paper material and the preparation process thereof according to claim 1, characterized in that: the preparation process of the high barrier layer comprises the following steps:
the first step is as follows: adding polyvinyl alcohol into water, stirring, mixing and dissolving, wherein the temperature rise speed is not more than 150 ℃/h, and obtaining polyvinyl alcohol mixed solution for later use;
the second step is that: when the prepared polyvinyl alcohol mixed solution is cooled to 20-25 ℃, sequentially adding a defoaming agent and a stabilizing agent, stirring and mixing, and then placing at constant temperature;
the third step: adding carbon nanofiber and polyvinylidene chloride into the solution placed at a constant temperature, stirring, mixing and reacting at the reaction temperature of 70-80 ℃, and obtaining the high-barrier coating after the reaction is finished.
5. The aluminum-free transparent laser environment-friendly liner paper material and the preparation process thereof according to claim 1, characterized in that: the defoaming agent is made of polyethylene glycol ether material, and the stabilizer is made of ammonium thiocyanate material.
6. The aluminum-free transparent laser environment-friendly liner paper material and the preparation process thereof according to claim 1, characterized in that: the preparation process of the combination of the high barrier layer and the base paper comprises the following steps:
the first step is as follows: under the action of constant tension, flattening the base paper by a guide roller, and coating by adopting a reverse gravure;
the second step is that: and coating the prepared high-barrier coating on the surface of the base paper and drying to obtain the aluminum-free environment-friendly lining paper.
7. The aluminum-free transparent laser environment-friendly liner paper material and the preparation process thereof according to claim 1, characterized in that: the base paper pattern processing preparation process comprises the following steps:
the first step is as follows: preparing a PET film into laser patterns with various patterns, and compounding the laser patterns with the paper by using an aqueous transfer adhesive;
the second step is that: after peeling off the PET film, the laser pattern is transferred to the paper.
8. The aluminum-free transparent laser environment-friendly inner liner material and the preparation process thereof according to claim 7, characterized in that: the film-pressing process in the first step may be performed using a die press.
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| CN202010022898.8A CN113106773A (en) | 2020-01-09 | 2020-01-09 | Aluminum-free transparent laser environment-friendly liner paper material and preparation process thereof |
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| CN202010022898.8A CN113106773A (en) | 2020-01-09 | 2020-01-09 | Aluminum-free transparent laser environment-friendly liner paper material and preparation process thereof |
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Cited By (1)
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| CN114987941A (en) * | 2022-06-22 | 2022-09-02 | 汕头市强宇包装材料有限公司 | Production process and equipment of high-barrier degradable environment-friendly paper |
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| US20180119360A1 (en) * | 2016-11-03 | 2018-05-03 | Dunlux (Qingdao) Co., Ltd. | Bio-based environment-friendly flame retardant wallpaper and preparation method thereof |
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| CN104109988A (en) * | 2013-11-21 | 2014-10-22 | 海南必凯水性涂料有限公司 | Environment-friendly coating lined paper and making method thereof |
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