CN113293650A - Antistatic lining paper - Google Patents

Antistatic lining paper Download PDF

Info

Publication number
CN113293650A
CN113293650A CN202110503664.XA CN202110503664A CN113293650A CN 113293650 A CN113293650 A CN 113293650A CN 202110503664 A CN202110503664 A CN 202110503664A CN 113293650 A CN113293650 A CN 113293650A
Authority
CN
China
Prior art keywords
monomer
antistatic
paper
coating
initiator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110503664.XA
Other languages
Chinese (zh)
Inventor
陈志辉
林文龙
臧建辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Zhonglisheng Package Technology Co ltd
Original Assignee
Jiangsu Zhonglisheng Package Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Zhonglisheng Package Technology Co ltd filed Critical Jiangsu Zhonglisheng Package Technology Co ltd
Priority to CN202110503664.XA priority Critical patent/CN113293650A/en
Publication of CN113293650A publication Critical patent/CN113293650A/en
Pending legal-status Critical Current

Links

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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10—Packing paper
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C08F212/02—Monomers containing only one unsaturated aliphatic radical
    • C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F212/06—Hydrocarbons
    • C08F212/08—Styrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • 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
    • 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
    • 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
    • D21H17/06—Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
    • 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
    • D21H17/17—Ketenes, e.g. ketene dimers
    • 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
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D21H17/29—Starch cationic
    • 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
    • D21H17/38—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing crosslinkable groups
    • D21H17/40—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing crosslinkable groups unsaturated
    • 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
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
    • D21H17/45—Nitrogen-containing groups
    • 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
    • D21H17/65—Acid compounds
    • 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
    • D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
    • D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)

Abstract

The invention relates to the technical field of lining paper, in particular to antistatic lining paper. The lining paper is flammable, static electricity is inevitably generated in the manufacturing, transporting and using processes, and a large amount of accumulated static electricity easily causes fire disasters to cause production safety accidents. Based on the problems, the invention provides the antistatic lining paper which is formed by coating the antistatic coating on the surface of the aluminum-free lining base paper and curing. The antistatic coating contains a core-shell structure crosslinking polyacrylate emulsion, modified graphene is contained in colloidal particle core-shell structures in the crosslinking polyacrylate emulsion, the crosslinking polyacrylate emulsion has good antistatic performance due to the existence of the modified graphene, and the antistatic coating is also added with aqueous dispersion liquid XZ-BAY03, so that the antistatic effect of the coating can be improved, and the crosslinking density and the water resistance of the coating can be further improved.

Description

Antistatic lining paper
Technical Field
The invention relates to the technical field of lining paper, in particular to an antistatic lining paper method.
Background
The lining paper for cigarettes is paper for packing cigarettes and cigarette packet boxes, is used as an initial packing layer of the cigarettes, has the functions of keeping fragrance, moistening, shading and the like for the cigarettes, can prevent the cigarettes from mildewing and diffusing fragrance, can show attractive characteristics at the same time, and is an important cigarette packing material.
The lining paper for cigarettes commonly used by cigarette manufacturers at present has a single function and usually does not have antistatic performance, the lining paper is a flammable substance and inevitably generates static electricity in the processes of manufacturing, transporting and using, and a large amount of static electricity is accumulated to easily cause fire disasters to cause production safety accidents and cause unnecessary loss. Therefore, it is necessary to develop an antistatic inner liner paper for tobacco packaging.
Disclosure of Invention
Aiming at the problems in the prior art, the technical problems to be solved by the invention are as follows: the lining paper is flammable, static electricity is inevitably generated in the manufacturing, transporting and using processes, and a large amount of accumulated static electricity easily causes fire disasters to cause production safety accidents.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention provides an antistatic lining paper which is formed by coating an antistatic coating on the surface of aluminum-free lining base paper and curing.
Specifically, the aluminum-free lining base paper is prepared according to the following method:
(1) a pulping section, wherein double-disc grinding is adopted for continuous pulping, the pulping concentration of the needle blade lines is 3.5-3.8%, and the beating degree is ensured to be 66 +/-30 SR; the beating concentration of the broad-leaved lines is 3.5-3.8%, and the beating degree is ensured to be 650 +/-3 SR; mixing the pulp of the needle thread and the broad leaf thread in a weight ratio of 1:1 for later use;
(2) a papermaking working section, wherein neutral sizing agents AKD, CPAM and cationic starch are added into the mixed pulp prepared in the pulping working section in a continuous adding mode, the solid content of the neutral sizing agent AKD is 10%, and the adding amount of the neutral sizing agent AKD in the paper pulp is 0.02-0.35% of the total weight of the paper pulp; the molecular weight of the double retention aid CPAM is 700 ten thousand, the substitution degree of the cationic starch is 0.25, the addition of the CPAM is 0.3 per thousand to 0.5 per thousand of the total weight of the paper pulp, and the addition of the cationic starch is 0.6 to 1.0 percent of the total weight of the paper pulp; dehydrating and forming the mixed pulp by a mesh part and a squeezing part, drying the wet paper sheet in a pre-drying stage, coating oxidized starch on the surface of the paper sheet after the wet paper sheet is dried by a chemical applicator, and continuously drying the paper sheet, wherein the surface coating concentration of the oxidized starch is 5-8%;
(3) and a calendaring section, namely calendaring the dried paper by adopting a soft calendaring machine to obtain the base paper without the aluminum lining.
Specifically, the antistatic coating is prepared according to the following steps:
(1) preparation of core-shell structure crosslinking polyacrylate emulsion
Adding deionized water, an emulsifier I and a nuclear layer monomer into a reaction kettle, stirring and emulsifying at 800-1500rpm, heating to 75-80 ℃, dropwise adding an aqueous solution of an initiator I, and initiating a polymerization reaction for 1-2 hours to prepare nuclear layer particles;
the nuclear layer monomer consists of a vinyl hard monomer I, a vinyl soft monomer I, a polyene monomer and modified graphene according to the mass ratio of 50-60:10-15:0.5-1.0: 0.5-2;
the using amount of the deionized water is 90-120% of the total mass of the nuclear layer monomers;
the emulsifier I is allyl polyethoxy sulfonate, and the using amount of the emulsifier I is 2.0-5.0% of the total mass of the core layer monomer;
the initiator I is potassium persulfate or ammonium persulfate, and the water solution amount of the initiator I is 0.1-0.5% of the total mass of the nuclear layer monomer; the mass concentration of the aqueous solution of the initiator I is 20-50%;
the polyene crosslinking monomer is one or more of divinylbenzene, dipropylene dimethacrylate or tripropylene glycol dimethacrylate;
(2) simultaneously dripping the mixed shell monomer and the aqueous solution of the initiator II into a nuclear layer particle reaction system, finishing dripping within 2-4h, wherein the mass ratio of the shell monomer to the nuclear layer monomer is 5-8:12-15, reacting for 0.5-1h after finishing dripping, and then adding a tert-butyl hydrogen peroxide aqueous solution with the mass concentration of 3-5% into a reaction kettle; reacting for 0.5-2h, cooling to below 40 ℃, filtering and discharging to obtain the core-shell structure cross-linked polyacrylate emulsion;
the shell layer monomer consists of a vinyl hard monomer II, a vinyl soft monomer II, a crosslinkable active monomer and modified graphene according to a mass ratio of 25-30:30-50:10-15: 3-5;
the initiator II is potassium persulfate or ammonium persulfate, the using amount of the aqueous solution of the initiator II is 0.1-0.5% of the total mass of the shell monomer, and the mass concentration of the aqueous solution of the initiator II is 25-50%;
the dosage of the tert-butyl hydroperoxide is 0.03-0.05% of the total mass of the shell monomer;
the vinyl hard monomer II is one or more of styrene, methyl methacrylate, isobornyl acrylate, ethylene tert-decacarbonate or acrylonitrile monomer;
the vinyl soft monomer II is one or more of ethyl acrylate, butyl acrylate or isoamyl acrylate;
the crosslinkable active monomer is one of glycidyl methacrylate or maleic anhydride;
(3) preparation of antistatic coating
Adding the core-shell structure cross-linked polyacrylate emulsion into a dispersion cylinder, sequentially adding the aqueous dispersion liquid XZ-BAY03, the auxiliary agent and deionized water within 20-50min under the stirring condition, stirring for 30-90min after the addition is finished, filtering and discharging to obtain the antistatic coating;
the antistatic coating comprises, by mass, 70-80% of core-shell structure cross-linked polyacrylate emulsion, 035-8% of aqueous dispersion liquid XZ-BAY, 4.5-12% of auxiliary agent and the balance of deionized water, and is stirred for 30-90min after the addition, filtered and discharged to obtain the antistatic coating;
the auxiliary agent comprises a film forming agent, a flatting agent, a wetting agent, a pH value regulator and a defoaming agent for the water-based paint.
Specifically, the modified graphene is prepared according to the following steps:
dispersing 100mg of graphene oxide prepared by a Hummers method in 50mL of absolute ethanol, performing ultrasonic dispersion for 1h to form a uniform dispersion, adjusting the pH of the dispersion to be 3-4 by using hydrochloric acid, slowly adding 10mL of 95% ethanol containing 0.3g of KH570 under stirring, continuously reacting for 24h at 60 ℃, performing centrifugal separation, washing with absolute ethanol and deionized water for multiple times, completely removing unreacted KH570, and neutralizing a washing solution to obtain the modified graphene.
Specifically, the film forming agent is dipropylene glycol methyl ether, dipropylene glycol butyl ether, dipropylene glycol methyl ether acetate or dipropylene glycol butyl ether acetate, and the dosage of the film forming agent is 5-10% of the total mass of the antistatic coating.
Specifically, the wetting agent is an organosilicon polymer TEGO245 or BYK346, and the dosage of the wetting agent is 0.3-0.6% of the total mass of the antistatic coating.
Specifically, the defoaming agent is organic silicon polymers TEGO825, TEGO815 or TEGO805, and the dosage of the defoaming agent is 0.2-0.5% of the total mass of the antistatic coating.
Specifically, the pH value regulator is AMP95, N-dimethylethanolamine, triethylamine or ammonia water, and the dosage of the pH value regulator is 1-3% of the total mass of the antistatic coating.
The invention has the beneficial effects that:
(1) the antistatic coating prepared by the invention contains core-shell structure cross-linked polyacrylate emulsion, the colloidal particle core-shell structure in the cross-linked polyacrylate emulsion contains modified graphene, and the existence of the modified graphene endows the cross-linked polyacrylate emulsion with better antistatic performance
(2) The modified graphene molecular structure in the cross-linked polyacrylate emulsion colloidal particle core-shell structure contains double bonds, and the double bonds can participate in the polymerization reaction of olefin monomers in a double bond polymerization mode, so that the agglomeration among the molecules of the modified graphene is effectively avoided;
(3) according to the invention, the antistatic effect obtained by simultaneously adding the modified graphene into the core-shell structure and the shell structure of the core-shell structure cross-linked polyacrylate emulsion colloidal particle is more obvious than that obtained by simply adding the graphene into the shell or the core-shell structure;
(4) the molecular structure of the modified graphene in the shell structure of the cross-linked polyacrylate emulsion colloidal particle contains more oxygen-containing functional groups, and can be subjected to esterification reaction with hydroxyl, carboxyl, amino and the like in an antistatic coating system at room temperature or under a heating condition, so that the cross-linking density and the water resistance of a coating can be effectively improved;
(5) the antistatic coating is also added with aqueous dispersion liquid XZ-BAY03, the aqueous dispersion liquid XZ-BAY03 is a dispersion liquid of nanoscale aqueous polyaniline with a conductive effect, the molecular structure of the aqueous polyaniline contains a large number of hydrophilic oxygen-containing functional groups, and the aqueous polyaniline can be crosslinked with carboxyl, amino or hydroxyl on the surface of colloidal particles in a core-shell structure crosslinking type polyacrylate emulsion at room temperature or under a heating condition, so that the antistatic effect of the coating can be improved, and the crosslinking density and the water resistance of the coating can be further improved.
Detailed Description
The present invention will now be described in further detail with reference to examples.
The aluminum-free lining base paper used in the following examples of the present invention was prepared according to the following method:
(1) a pulping section, wherein double-disc grinding is adopted for continuous pulping, the pulping concentration of the needle blade lines is 3.5-3.8%, and the beating degree is ensured to be 66 +/-30 SR; the beating concentration of the broad-leaved lines is 3.5-3.8%, and the beating degree is ensured to be 650 +/-3 SR; mixing the pulp of the needle thread and the broad leaf thread in a weight ratio of 1:1 for later use;
(2) a papermaking working section, wherein neutral sizing agents AKD, CPAM and cationic starch are added into the mixed pulp prepared in the pulping working section in a continuous adding mode, the solid content of the neutral sizing agent AKD is 10%, and the adding amount of the neutral sizing agent AKD in the paper pulp is 0.02-0.35% of the total weight of the paper pulp; the molecular weight of the double retention aid CPAM is 700 ten thousand, the substitution degree of the cationic starch is 0.25, the addition of the CPAM is 0.3 per thousand to 0.5 per thousand of the total weight of the paper pulp, and the addition of the cationic starch is 0.6 to 1.0 percent of the total weight of the paper pulp; dehydrating and forming the mixed pulp by a mesh part and a squeezing part, drying the wet paper sheet in a pre-drying stage, coating oxidized starch on the surface of the paper sheet after the wet paper sheet is dried by a chemical applicator, and continuously drying the paper sheet, wherein the surface coating concentration of the oxidized starch is 5-8%;
(3) and a calendaring section, namely calendaring the dried paper by adopting a soft calendaring machine to obtain the base paper without the aluminum lining.
The antistatic coating used in the following examples of the invention was prepared according to the following steps:
(1) preparation of core-shell structure crosslinking polyacrylate emulsion
Adding deionized water, an emulsifier I and a nuclear layer monomer into a reaction kettle, stirring and emulsifying at 800-1500rpm, heating to 75-80 ℃, dropwise adding an aqueous solution of an initiator I, and initiating a polymerization reaction for 1-2 hours to prepare nuclear layer particles;
the nuclear layer monomer consists of a vinyl hard monomer I, a vinyl soft monomer I, a polyene monomer and modified graphene according to the mass ratio of 50-60:10-15:0.5-1.0: 0.5-2;
the using amount of the deionized water is 90-120% of the total mass of the nuclear layer monomers;
the emulsifier I is allyl polyethoxy sulfonate, and the using amount of the emulsifier I is 2.0-5.0% of the total mass of the core layer monomer;
the initiator I is potassium persulfate or ammonium persulfate, and the water solution amount of the initiator I is 0.1-0.5% of the total mass of the nuclear layer monomer; the mass concentration of the aqueous solution of the initiator I is 20-50%;
the polyene crosslinking monomer is one or more of divinylbenzene, dipropylene dimethacrylate or tripropylene glycol dimethacrylate;
(2) simultaneously dripping the mixed shell monomer and the aqueous solution of the initiator II into a nuclear layer particle reaction system, finishing dripping within 2-4h, wherein the mass ratio of the shell monomer to the nuclear layer monomer is 5-8:12-15, reacting for 0.5-1h after finishing dripping, and then adding a tert-butyl hydrogen peroxide aqueous solution with the mass concentration of 3-5% into a reaction kettle; reacting for 0.5-2h, cooling to below 40 ℃, filtering and discharging to obtain the core-shell structure cross-linked polyacrylate emulsion;
the shell layer monomer consists of a vinyl hard monomer II, a vinyl soft monomer II, a crosslinkable active monomer and modified graphene according to a mass ratio of 25-30:30-50:10-15: 3-5;
the initiator II is potassium persulfate or ammonium persulfate, the using amount of the aqueous solution of the initiator II is 0.1-0.5% of the total mass of the shell monomer, and the mass concentration of the aqueous solution of the initiator II is 25-50%;
the dosage of the tert-butyl hydroperoxide is 0.03-0.05% of the total mass of the shell monomer;
the vinyl hard monomer II is one or more of styrene, methyl methacrylate, isobornyl acrylate, ethylene tert-decacarbonate or acrylonitrile monomer;
the vinyl soft monomer II is one or more of ethyl acrylate, butyl acrylate or isoamyl acrylate;
the crosslinkable active monomer is one of glycidyl methacrylate or maleic anhydride;
(3) preparation of antistatic coating
Adding the core-shell structure cross-linked polyacrylate emulsion into a dispersion cylinder, sequentially adding the aqueous dispersion liquid XZ-BAY03, the auxiliary agent and deionized water within 20-50min under the stirring condition, stirring for 30-90min after the addition is finished, filtering and discharging to obtain the antistatic coating;
the antistatic coating comprises, by mass, 70-80% of core-shell structure cross-linked polyacrylate emulsion, 5-10% of aqueous dispersion liquid XZ-BAY03, 4.5-15% of auxiliary agent and the balance of deionized water, and is prepared by stirring for 30-90min after the addition, filtering and discharging.
The auxiliary agents used in the following examples of the present invention include film forming agents, leveling agents, wetting agents, pH adjusting agents, and defoamers for aqueous coatings.
The film forming agent adopted in the following embodiment of the invention is dipropylene glycol methyl ether, dipropylene glycol butyl ether, dipropylene glycol methyl ether acetate or dipropylene glycol butyl ether acetate, and the dosage of the film forming agent is 5-10% of the total mass of the antistatic coating.
The wetting agent used in the following examples of the present invention is an organosilicon polymer TEGO245 or BYK346, and the amount of the wetting agent is 0.3-0.6% of the total mass of the antistatic coating.
The defoaming agent adopted in the following embodiments of the invention is organic silicon polymers TEGO825, TEGO815 or TEGO805, and the dosage of the defoaming agent is 0.2-0.5% of the total mass of the antistatic coating.
The pH value regulator adopted in the following examples of the invention is AMP95, N-dimethylethanolamine, triethylamine or ammonia water, and the dosage of the pH value regulator is 1-3% of the total mass of the antistatic coating.
The modified graphene adopted in the following embodiment of the invention is prepared according to the following steps:
dispersing 100mg of graphene oxide prepared by a Hummers method in 50mL of absolute ethanol, performing ultrasonic dispersion for 1h to form a uniform dispersion, adjusting the pH of the dispersion to be 3-4 by using hydrochloric acid, slowly adding 10mL of 95% ethanol containing 0.3g of KH570 under stirring, continuously reacting for 24h at 60 ℃, performing centrifugal separation, washing with absolute ethanol and deionized water for multiple times, completely removing unreacted KH570, and neutralizing a washing solution to obtain the modified graphene.
Example 1
The antistatic coating comprises the following components in percentage by mass:
70 percent of core-shell structure crosslinking polyacrylate emulsion
Aqueous dispersion XZ-BAY 035%
4.5 percent of auxiliary agent
Balance of deionized water
Uniformly coating the antistatic coating on the upper and lower surfaces of the aluminum-free lining base paper, and curing to obtain the antistatic lining paper, wherein the thickness of the antistatic coating is 10 mu m, and the coating dosage is 10g/m2(ii) a The curing temperature was 120 ℃.
As a result of the test, the surface resistivity of the antistatic interior sheet obtained in example 1 was 2.5X 105。
Example 2
The antistatic coating comprises the following components in percentage by mass:
70 percent of core-shell structure crosslinking polyacrylate emulsion
Aqueous dispersion XZ-BAY 036%
6 percent of auxiliary agent
The balance being deionized water
Uniformly coating the antistatic coating on the upper and lower surfaces of the aluminum-free lining base paper, and curing to obtain the antistatic lining paper, wherein the thickness of the antistatic coating is 10 mu m, and the coating dosage is 10g/m2(ii) a The curing temperature was 120 ℃.
As a result of the test, the surface resistivity of the antistatic interior sheet obtained in example 2 was 2.5X 105。
Example 3
The antistatic coating comprises the following components in percentage by mass:
71 percent of crosslinking polyacrylate emulsion with core-shell structure
Aqueous dispersion XZ-BAY 037%
7 percent of auxiliary agent
Balance of deionized water
Uniformly coating the antistatic coating on the upper and lower surfaces of the aluminum-free lining base paper, and curing to obtain the antistatic lining paper, wherein the thickness of the antistatic coating is 8 mu m, and the coating dosage is 10g/m2(ii) a The curing temperature was 120 ℃.
The surface resistivity of the antistatic interior paper obtained in example 3 was measured to be 2.7X 105。
Example 4
The antistatic coating comprises the following components in percentage by mass:
73 percent of cross-linking polyacrylate emulsion with core-shell structure
Aqueous dispersion XZ-BAY 039%
8 percent of auxiliary agent
The balance being deionized water
Uniformly coating the antistatic coating on the upper and lower surfaces of the base paper without the aluminum lining and curing to obtain the antistatic inner layerLining paper, the thickness of the antistatic coating is 8 μm, and the coating dosage is 10g/m2(ii) a The curing temperature was 120 ℃.
As a result of the test, the surface resistivity of the antistatic interior sheet obtained in example 4 was 2.6X 105。
Example 5
The antistatic coating comprises the following components in percentage by mass:
75 percent of core-shell structure crosslinking polyacrylate emulsion
Aqueous dispersion XZ-BAY 0311%
10 percent of auxiliary agent
Balance of deionized water
Uniformly coating the antistatic coating on the upper and lower surfaces of the aluminum-free lining base paper, and curing to obtain the antistatic lining paper, wherein the thickness of the antistatic coating is 5 mu m, and the coating dosage is 10g/m2(ii) a The curing temperature was 120 ℃.
The surface resistivity of the antistatic interior sheet obtained in example 5 was measured to be 3.2X 105。
Example 6
The antistatic coating comprises the following components in percentage by mass:
76 percent of core-shell structure crosslinking polyacrylate emulsion
Aqueous dispersion XZ-BAY 037%
8 percent of auxiliary agent
Balance of deionized water
Uniformly coating the antistatic coating on the upper and lower surfaces of the aluminum-free lining base paper, and curing to obtain the antistatic lining paper, wherein the thickness of the antistatic coating is 5 mu m, and the coating dosage is 10g/m2(ii) a The curing temperature was 120 ℃.
As a result of the test, the surface resistivity of the antistatic interior sheet obtained in example 6 was 3.5X 105。
Example 7
The antistatic coating comprises the following components in percentage by mass:
77 percent of cross-linked polyacrylate emulsion with core-shell structure
Aqueous dispersion XZ-BAY 038%
12 percent of auxiliary agent
Balance of deionized water
Uniformly coating the antistatic coating on the upper and lower surfaces of the aluminum-free lining base paper, and curing to obtain the antistatic lining paper, wherein the thickness of the antistatic coating is 3 mu m, and the coating dosage is 10g/m2(ii) a The curing temperature was 120 ℃.
The antistatic interior sheet obtained in example 7 was tested to have a surface resistivity of 2.3X 106。
Comparative example 1 is the same as example 1 except that the core-shell structure cross-linked polyacrylate emulsion in comparative example 1 has no modified graphene added to the core layer monomer during the preparation process, and the same amount of modified graphene not added to the core layer is directly added to the antistatic coating system. As a result of the test, the antistatic interior sheet obtained in comparative example 1 had a surface resistivity of 1.5X 106。
Comparative example 2 differs from example 1 in that: in the comparative example 2, no modified graphene is added to the shell monomer of the core-shell cross-linked polyacrylate emulsion, and the same amount of modified graphene that is not added to the shell is directly added to the antistatic coating system. As a result of the test, the antistatic interior sheet obtained in comparative example 2 had a surface resistivity of 5.0X 106。
Comparative example 3 differs from example 1 in that: in the preparation process of the core-shell structure cross-linked polyacrylate emulsion in the comparative example 3, the modified graphene is not used as a polymerization monomer, and the modified graphene which is not added in the colloidal particle core shell and has the same amount is replaced by the graphene oxide to be directly added into the antistatic coating system. As a result of the test, the antistatic interior sheet obtained in comparative example 3 had a surface resistivity of 1.2X 107。
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (8)

1. An antistatic interior slip sheet which characterized in that: is formed by coating an antistatic coating on the surface of base paper without an aluminum lining and curing.
2. The antistatic interior liner paper of claim 1, wherein: the aluminum-free lining base paper is prepared by the following method:
(1) the beating section adopts a double-disc mill to carry out continuous beating, the beating concentration of the needle blade lines is 3.5 to 3.8 percent, and the beating degree is ensured to be 66 +/-30SR; the beating concentration of the broad-leaved line is 3.5-3.8%, and the beating degree is ensured to be 650+/-3 SR; mixing the pulp of the needle thread and the broad leaf thread in a weight ratio of 1:1 for later use;
(2) a papermaking working section, wherein neutral sizing agents AKD, CPAM and cationic starch are added into the mixed pulp prepared in the pulping working section in a continuous adding mode, the solid content of the neutral sizing agent AKD is 10%, and the adding amount of the neutral sizing agent AKD in the paper pulp is 0.02-0.35% of the total weight of the paper pulp; the molecular weight of the double retention aid CPAM is 700 ten thousand, the substitution degree of the cationic starch is 0.25, the addition of the CPAM is 0.3 per thousand to 0.5 per thousand of the total weight of the paper pulp, and the addition of the cationic starch is 0.6 to 1.0 percent of the total weight of the paper pulp; dehydrating and forming the mixed pulp by a mesh part and a squeezing part, drying the wet paper sheet in a pre-drying stage, coating oxidized starch on the surface of the paper sheet after the wet paper sheet is dried by a chemical applicator, and continuously drying the paper sheet, wherein the surface coating concentration of the oxidized starch is 5-8%;
(3) and a calendaring section, namely calendaring the dried paper by adopting a soft calendaring machine to obtain the base paper without the aluminum lining.
3. The antistatic interior liner paper of claim 1, wherein: the antistatic coating is prepared according to the following steps:
(1) preparation of core-shell structure crosslinking polyacrylate emulsion
Adding deionized water, an emulsifier I and a nuclear layer monomer into a reaction kettle, stirring and emulsifying at 800-1500rpm, heating to 75-80 ℃, dropwise adding an aqueous solution of an initiator I, and initiating a polymerization reaction for 1-2 hours to prepare nuclear layer particles;
the nuclear layer monomer consists of a vinyl hard monomer I, a vinyl soft monomer I, a polyene monomer and modified graphene according to the mass ratio of 50-60:10-15:0.5-1.0: 0.5-2;
the using amount of the deionized water is 90-120% of the total mass of the nuclear layer monomers;
the emulsifier I is allyl polyethoxy sulfonate, and the using amount of the emulsifier I is 2.0-5.0% of the total mass of the core layer monomer;
the initiator I is potassium persulfate or ammonium persulfate, and the water solution amount of the initiator I is 0.1-0.5% of the total mass of the nuclear layer monomer; the mass concentration of the aqueous solution of the initiator I is 20-50%;
the polyene crosslinking monomer is one or more of divinylbenzene, dipropylene dimethacrylate or tripropylene glycol dimethacrylate;
(2) simultaneously dripping the mixed shell monomer and the aqueous solution of the initiator II into a nuclear layer particle reaction system, finishing dripping within 2-4h, wherein the mass ratio of the shell monomer to the nuclear layer monomer is 5-8:12-15, reacting for 0.5-1h after finishing dripping, and then adding a tert-butyl hydrogen peroxide aqueous solution with the mass concentration of 3-5% into a reaction kettle; reacting for 0.5-2h, cooling to below 40 ℃, filtering and discharging to obtain the core-shell structure cross-linked polyacrylate emulsion;
the shell layer monomer consists of a vinyl hard monomer II, a vinyl soft monomer II, a crosslinkable active monomer and modified graphene according to a mass ratio of 25-30:30-50:10-15: 3-5;
the initiator II is potassium persulfate or ammonium persulfate, the using amount of the aqueous solution of the initiator II is 0.1-0.5% of the total mass of the shell monomer, and the mass concentration of the aqueous solution of the initiator II is 25-50%;
the dosage of the tert-butyl hydroperoxide is 0.03-0.05% of the total mass of the shell monomer;
the vinyl hard monomer II is one or more of styrene, methyl methacrylate, isobornyl acrylate, ethylene tert-decacarbonate or acrylonitrile monomer;
the vinyl soft monomer II is one or more of ethyl acrylate, butyl acrylate or isoamyl acrylate;
the crosslinkable active monomer is one of glycidyl methacrylate or maleic anhydride;
(3) preparation of antistatic coating
Adding the core-shell structure cross-linked polyacrylate emulsion into a dispersion cylinder, sequentially adding the aqueous dispersion liquid XZ-BAY03, the auxiliary agent and deionized water within 20-50min under the stirring condition, stirring for 30-90min after the addition is finished, filtering and discharging to obtain the antistatic coating;
the antistatic coating comprises, by mass, 70-80% of core-shell structure cross-linked polyacrylate emulsion, 035-8% of aqueous dispersion liquid XZ-BAY, 4.5-12% of auxiliary agent and the balance of deionized water, and is stirred for 30-90min after the addition, filtered and discharged to obtain the antistatic coating;
the auxiliary agent comprises a film forming agent, a flatting agent, a wetting agent, a pH value regulator and a defoaming agent for the water-based paint.
4. The antistatic interior liner paper of claim 3, wherein: the modified graphene is prepared according to the following steps:
dispersing 100mg of graphene oxide prepared by a Hummers method in 50mL of absolute ethanol, performing ultrasonic dispersion for 1h to form a uniform dispersion, adjusting the pH of the dispersion to be 3-4 by using hydrochloric acid, slowly adding 10mL of 95% ethanol containing 0.3g of KH570 under stirring, continuously reacting for 24h at 60 ℃, performing centrifugal separation, washing with absolute ethanol and deionized water for multiple times, completely removing unreacted KH570, and neutralizing a washing solution to obtain the modified graphene.
5. The antistatic interior liner paper of claim 3, wherein; the film forming agent is dipropylene glycol methyl ether, dipropylene glycol butyl ether, dipropylene glycol methyl ether acetate or dipropylene glycol butyl ether acetate.
6. The antistatic interior liner paper of claim 3, wherein: the wetting agent is an organosilicon polymer TEGO245 or BYK 346.
7. The antistatic interior liner paper of claim 3, wherein: the defoaming agent is organic silicon polymers TEGO825, TEGO815 or TEGO 805.
8. The antistatic interior liner paper of claim 3, wherein: the pH value regulator is AMP95, N-dimethylethanolamine, triethylamine or ammonia water.
CN202110503664.XA 2021-05-10 2021-05-10 Antistatic lining paper Pending CN113293650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110503664.XA CN113293650A (en) 2021-05-10 2021-05-10 Antistatic lining paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110503664.XA CN113293650A (en) 2021-05-10 2021-05-10 Antistatic lining paper

Publications (1)

Publication Number Publication Date
CN113293650A true CN113293650A (en) 2021-08-24

Family

ID=77321834

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110503664.XA Pending CN113293650A (en) 2021-05-10 2021-05-10 Antistatic lining paper

Country Status (1)

Country Link
CN (1) CN113293650A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1876731A (en) * 2005-06-09 2006-12-13 北京化工大学 Aqueous coating containing three layer nuclear shell structure rubber particle latex and its preparation method
CN102619135A (en) * 2012-03-28 2012-08-01 广州荣域实业有限公司 Novel aluminum-free lining paper coating for cigarette package and preparation method thereof
CN107227005A (en) * 2016-03-24 2017-10-03 东南大学 A kind of preparation method of modified graphene oxide/lactic acid composite material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1876731A (en) * 2005-06-09 2006-12-13 北京化工大学 Aqueous coating containing three layer nuclear shell structure rubber particle latex and its preparation method
CN102619135A (en) * 2012-03-28 2012-08-01 广州荣域实业有限公司 Novel aluminum-free lining paper coating for cigarette package and preparation method thereof
CN107227005A (en) * 2016-03-24 2017-10-03 东南大学 A kind of preparation method of modified graphene oxide/lactic acid composite material

Similar Documents

Publication Publication Date Title
JP4785216B2 (en) Hollow spherical organic pigment
RU2432201C2 (en) Micro spheres
CN108004841A (en) A kind of Cypres and preparation method thereof
CN101363203B (en) Aqueous suspensions of fine particulate fillers, method for producing the same and use thereof for producing papers having a high filler content and a high dry strength
CN102307951B (en) Aqueous suspensions of fine-particulate fillers, method for the manufacture thereof and use thereof for the manufacture of papers containing fillers
KR20170052564A (en) Sizing composition, its use and a method for producing paper, board or the like
CN104005264B (en) Surface sizing agent for paper making and be coated with the paper that this sizing agent obtains
JP2013508568A (en) Method for producing paper, board and cardboard having high dry strength
CA2692301A1 (en) Preparation of aqueous slurries of finely divided fillers and their use for the production of papers having a high filler content and high dry strength
WO2007041380A1 (en) Temporary wet strength resin for paper applications
CN103410050B (en) Surface sizing agent emulsion and its preparation method and application
CN108341912A (en) A kind of preparation method of gluing reinforcing agent
CN100378163C (en) High copolymer pulp components for composite inorganic nanoparticles
CN104311716A (en) Organic silicon modified styrene-acrylate microemulsion reinforcing agent as well as preparation method and application thereof
CN102083916A (en) Aqueous suspensions of fine-particulate fillers, method for the manufacture thereof and use thereof for the manufacture of fluid-containing papers
Yan et al. Synthesis of fiber crosslinking cationic latex and its effect on surface properties of paper
JP2017040021A (en) Rosin-based emulsion sizing agent and paper
CN102850956A (en) Aqueous curable binder composition
CN108699775B (en) Composition for modifying the rheology of a pigmented coating, use thereof and pigmented coating
WO2021075480A1 (en) Coating agent for paper and coated paper using same
CN113293650A (en) Antistatic lining paper
CN110067152A (en) The manufacturing method and coating paper of paper grade (stock) surface emulsion sizing agent, paper grade (stock) surface emulsion sizing agent
CN108149516A (en) A kind of paper or paperboard grade (stock) sizing agent and preparation method thereof
CN110886130B (en) Modified nano-cellulose emulsifier and AKD emulsion prepared by adopting same
CN108794705B (en) Preparation method and application of modified carboxylic styrene-butadiene latex

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20210824

WD01 Invention patent application deemed withdrawn after publication