CN109667197A - High tenacity nonwoven coats paper and preparation method thereof - Google Patents
High tenacity nonwoven coats paper and preparation method thereof Download PDFInfo
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- CN109667197A CN109667197A CN201811583263.4A CN201811583263A CN109667197A CN 109667197 A CN109667197 A CN 109667197A CN 201811583263 A CN201811583263 A CN 201811583263A CN 109667197 A CN109667197 A CN 109667197A
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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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/18—Paper- or board-based structures for surface covering
-
- 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
- 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
- D21H13/24—Polyesters
-
- 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
- D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
- D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
- D21H15/10—Composite fibres
-
- 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
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
-
- 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
- D21H17/47—Condensation polymers of aldehydes or ketones
- D21H17/49—Condensation polymers of aldehydes or ketones with compounds containing hydrogen bound to nitrogen
- D21H17/51—Triazines, e.g. melamine
-
- 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
- D21H17/57—Polyureas; Polyurethanes
-
- 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
- D21H21/14—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
- D21H21/143—Agents preventing ageing of paper, e.g. radiation absorbing substances
-
- 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
-
- 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
-
- 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
- D21H21/38—Corrosion-inhibiting agents or anti-oxidants
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Abstract
The invention belongs to speciality paper technical field, it is specifically related to a kind of high tenacity nonwoven cladding paper and preparation method thereof.Based on mass fraction, raw material composition is as follows: bleached sulphate hardwood pulp 50-60%, kp softwood pulp 30-40%, polyester fiber 5-15%, adhesive 2-5%, auxiliary agent 3-5%；Auxiliary agent is the mixture of drying strengthening agent, wet strength agent, dispersing agent, defoaming agent, ultraviolet absorber and antioxidant.High tenacity nonwoven of the present invention coats paper, and paper is soft, folding strength is good, color is uniform, stable, material is more environmentally friendly compared with PVC, expands the use scope of facing paper, feel is affine nature.Preparation method of the present invention, technological operation is simple, easily controllable, stable product quality substantial saved manpower and material resources, optimize product manufacturing process, product quality is improved, is better able to adapt to the production requirement of user, production technology and technical level are reached advanced world standards.
Description
Technical field
The invention belongs to speciality paper technical field, it is specifically related to a kind of high tenacity nonwoven cladding paper and preparation method thereof.
Background technique
Have become normality, after replacement for the decoration industry of continuous development with paper material substitution PVC at present
The harm that can mitigate in the processing in later period to environment can also make a choice to facing paper in environmental protection on long terms.
Meanwhile decoration industry is indispensable will use the irregular decoration style such as arc, curl, using facing paper,
Decoration range can be improved, and stabilization bright in luster, pattern finishing effect abundant can be reached.This will affect finishing material
The selection of material also brings along raising to the demand in market, produces this kind of paper tape for enterprise and carrys out good economic benefit.But
It is that existing PVC protective edge facing paper contains melamine, heat cured feature makes the brittle facing paper, not folding, to arc
The decoration range of the broken edges such as shape, is caused using limitation.Because needing to develop a kind of facing paper, to meet decoration industry
Demand.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of high tenacity nonwoven cladding paper.The high tenacity without
Spinning cladding paper paper is soft, color is uniform, stable, material is more environmentally friendly compared with PVC；The present invention also provides preparation methods.
High tenacity nonwoven of the present invention coats paper, and based on mass fraction, raw material composition is as follows:
Wherein: auxiliary agent is the mixture of drying strengthening agent, wet strength agent, dispersing agent, defoaming agent, ultraviolet absorber and antioxidant.
Polyester fiber is polyethylene terephthalate PET.
Adhesive is aqueous non-toxic adhesive；Aqueous non-toxic adhesive be styrene-acrylic latex, styrene-butadiene latex, polyurethane resin,
One or more of melamine or polyvinyl alcohol.
It can band such as the dispersed discontinuity unevenly and during platen of pectin for the paper of gluing knot
Very big influence can be brought on the decorative effect of paper the problem of blistering.Therefore, using the saturating of raising paper to a certain extent
Manner discharges the adhesive of foam inside.In addition, helping to improve the flatness of paper using the adhesive of good fluidity.
Based on mass fraction, auxiliary agent composition is as follows:
Dispersing agent is polycarboxylic acids ammonia salt aqueous solution, anionic Sodium Polyacrylate saline solution or the copolymerization containing acidic-group
One or more of object xylene solution.
Drying strengthening agent be one of modified starch, cation acrylamide, polyacrylamide or cation acrylamide or
It is several.
Wherein modified starch is cationic starch.
Wet strength agent is one of Polyamide-Polyamsne-Epichlorohydrin PAE or polyamide Hydrin resin or two
Kind.
Antioxidant is one of butylated hydroxy anisole, dibutyl hydroxy toluene or tert-butyl hydroquinone or several
Kind.
Defoaming agent is dimethyl silicone polymer.
Ultraviolet absorber is salicylic acid lipid absorbents.
Wet strength agent resin contains the positive ions such as amido, epoxy group, and cellulose surface contains hydroxyl, carboxyl etc., wet strength agent
Resin can with it is cellulose crosslinked.
Drying strengthening agent dispersion increases bonding quantity between fiber between the fibers, to achieve the purpose that improve paper strength.
Drying strengthening agent contains the cation group connect in master link, and which adds polymer and interfibrous binding force, improves
The retention of polymer.
Antioxidant and ultraviolet absorber are used in mixed way jointly, improve the sun-proof performance and whiteness of paper.
The preparation method of high tenacity nonwoven cladding paper of the present invention, specifically includes the following steps:
(1) it will be diluted with water mashing in bleached sulphate hardwood pulp and bleached sulphate softwood pulp investment beater,
Control beating degree is 21-23 ° of SR；
(2) step (1) resulting material is mixed with polyester fiber and auxiliary agent, after being stirred 1-2h, mixed slurry is passed through
Oblique net paper machine is manufactured paper with pulp, is dried, and semi-finished product body paper is obtained；
(3) adhesive investment is five times in the water of its parts by weight, and high-speed stirred is mixed thoroughly it, obtains sizing applicator
Maceration extract, then after drying, surface press polish ornamenting, batching up to body paper at paper.
Sizing applicator is pressed into paper inside and surface by maceration extract by pressure in step (3), and the latex in maceration extract has
The groups such as carboxyl, hydroxyl and cellulose crosslink, and improve intensity.
Wherein: bleached sulphate hardwood pulp described in step (1) and bleached sulphate softwood pulp put into beater
In be diluted with water mashing, specifically bleached sulphate hardwood pulp and bleached sulphate softwood pulp is added in hydrabrusher
Abundant size degradation reaches the mass concentration of 4-5%, by the good bleached sulphate hardwood pulp of size degradation and bleached sulphate softwood pulp
The beating degree for respectively extremely being needed fibre cutting, wire-dividing broom purification, defibrination using grinding and steep-taper fluffer.
The preparation method of high tenacity nonwoven cladding paper of the present invention, needs to bleached sulphate hardwood pulp and bleaching
Kp softwood pulp carries out pre-treatment, carries out fiber treatment using grinding and fluffer.
In the preparation method of high tenacity nonwoven of the present invention cladding paper, select inclined wire production technology, mainly due to
Inclined wire production technology more can guarantee product quality compared with other forming table forms, and with low grammes per square metre, evenness is good, permeability is good, inhales
The advantages that glue amount is high, the paper permeability produced is good, and intensity is high.
Polyethylene terephthalate PET is used in high tenacity nonwoven cladding paper material of the present invention, cooperates inclined wire
Cloth slurry mode improve a lot in toughness so that the paper produced is not only soft, but also folding；Adhesive
It is middle that paper is handled using melamine resin or polyurethane resin, so that paper is obtained intensity and hydrophobic spy after sizing
Property, play waterproof action；It adds antioxidant in the feed and ultraviolet absorber is used in mixed way jointly, improve the light resistance of paper
Energy and whiteness.
The preparation method process route of high tenacity nonwoven cladding paper of the present invention is as follows:
Pulping → mashing → mixing is filled with → slurrying workshop section come starch → slurry-stablizing case → scummer → head box → oblique-net part →
Press section → drying portion → sizing applicator → baking oven → calender → reel machine → rewinding machine → packaging.
It will be diluted with water mashing in bleached sulphate hardwood pulp and bleached sulphate softwood pulp investment beater, specifically
It is that bleached sulphate hardwood pulp and bleached sulphate softwood pulp are added to abundant size degradation in hydrabrusher, reaches 4-5%
Concentration, the good bleached sulphate broad-leaved of size degradation and softwood pulp are respectively cut fiber using grinding and steep-taper fluffer
Disconnected, wire-dividing broom purification, defibrination to the beating degree needed.Slurry, polyester fiber and auxiliary agent are mixed, after being stirred 1-2h, will be mixed
Conjunction slurry is manufactured paper with pulp through oblique net paper machine, press section is dehydrated, the drying of drying portion, obtains semi-finished product body paper；It is heavy that adhesive investment is five times in its
In the water for measuring part, high-speed stirred is mixed thoroughly it, obtains sizing applicator maceration extract, body paper is after maceration extract impregnation again through dry
Dry, surface press polish ornamenting batches rear body paper to obtain the final product into paper.
High tenacity nonwoven of the present invention coats paper, guaranteed extension, elastic force on the basis of, with more environmentally-friendly
Material handles base paper inside and surface, to improve general decor paper using limited, paper is partially crisp, is not easy lacking for plasticity
Point, expand facing paper uses field, is mainly used in PVC protective edge, doorframe, moulding etc., is widely used in house, office, guest
The interior decoration in shop, hotel.
High tenacity nonwoven prepared by the present invention coats paper, and performance indicator is as follows:
It is quantitative: 47-53g/m2；
Thickness: 0.11-0.15mm；
Longitudinal dry tensile strength: 45-65N/1.5cm；
Air permeability: less than 1s；
Pliability: lateral pliability 100-250mN/5cm；Longitudinal pliability 350-450mN/5cm.
Compared with the prior art, the present invention has the following beneficial effects:
(1) high tenacity nonwoven of the present invention coats paper, paper is soft, color is uniform, stable, material more compared with PVC
Environmental protection expands the use scope of facing paper, feel is affine nature.
(2) preparation method of high tenacity nonwoven cladding paper of the present invention, technological operation is simple, easily controllable, product
Quality is stablized, and substantial saved manpower and material resources, optimizes product manufacturing process, improves product quality, is better able to adapt to use
The production requirement at family, production technology and technical level are reached advanced world standards.
(3) high tenacity nonwoven of the present invention coats paper, and air permeability is high, environmentally friendly low-carbon, solves and splices between plasterboard
The problem of seam cracking, the gas permeability that both ensure that, it is low to be unlikely to intensity again under the premise of can avoid aliquation well, influence
Splicing seams effect.
Specific embodiment
The invention will be further described with reference to embodiments.
Embodiment 1
High tenacity nonwoven described in the present embodiment 1 coats paper, and based on mass fraction, raw material composition is as follows:
Wherein: polyester fiber is polyethylene terephthalate PET.
Adhesive is styrene-butadiene latex.
Based on mass fraction, auxiliary agent composition is as follows:
Wherein: dispersing agent is polycarboxylic acids ammonia salt aqueous solution.
Drying strengthening agent is cation acrylamide.
Wet strength agent is Polyamide-Polyamsne-Epichlorohydrin PAE.
Antioxidant is butylated hydroxy anisole.
Defoaming agent is dimethyl silicone polymer.
Ultraviolet absorber is salicylic acid lipid absorbents.
High tenacity nonwoven described in the present embodiment 1 coats the preparation method of paper, specifically includes the following steps:
(1) bleached sulphate hardwood pulp and bleached sulphate softwood pulp are added in hydrabrusher sufficiently broken
Solution, reaches 4% mass concentration, the good bleached sulphate hardwood pulp of size degradation and bleached sulphate softwood pulp is made respectively
With grinding and steep-taper fluffer by fibre cutting, wire-dividing broom purification, defibrination to beating degree is 21 ° of SR；
(2) step (1) resulting material is mixed with polyester fiber and auxiliary agent, after being stirred 1.5h, mixed slurry is passed through
Oblique net paper machine is manufactured paper with pulp, is dried, and semi-finished product body paper is obtained；
(3) adhesive investment is five times in the water of its parts by weight, and high-speed stirred is mixed thoroughly it, obtains sizing applicator
Maceration extract, then after drying, surface press polish ornamenting, batching up to body paper at paper.
Performance detection is carried out to high tenacity nonwoven cladding paper prepared by embodiment 1, testing result is as follows:
It is quantitative: 50g/m2
Thickness: 0.15mm
Longitudinal dry tensile strength: 50N/1.5cm
Air permeability: less than 1s
Pliability: lateral pliability 240mN/5cm；Longitudinal pliability 440mN/5cm
Color is uniform, stablizes.
Embodiment 2
High tenacity nonwoven described in the present embodiment 2 coats paper, and based on mass fraction, raw material composition is as follows:
Wherein: polyester fiber is polyethylene terephthalate PET.
Adhesive is polyurethane resin.
Based on mass fraction, auxiliary agent composition is as follows:
Dispersing agent is anionic Sodium Polyacrylate saline solution.
Drying strengthening agent is polyacrylamide.
Wet strength agent is polyamide Hydrin resin.
Antioxidant is tert-butyl hydroquinone.
Defoaming agent is dimethyl silicone polymer.
Ultraviolet absorber is salicylic acid lipid absorbents.
High tenacity nonwoven described in the present embodiment 2 coats the preparation method of paper, specifically includes the following steps:
(1) bleached sulphate hardwood pulp and bleached sulphate softwood pulp are added in hydrabrusher sufficiently broken
Solution, reaches 4.5% mass concentration, and the good bleached sulphate hardwood pulp of size degradation and bleached sulphate softwood pulp are distinguished
Using grinding and steep-taper fluffer by fibre cutting, wire-dividing broom purification, defibrination to beating degree is 22 ° of SR；
(2) step (1) resulting material is mixed with polyester fiber and auxiliary agent, after being stirred 1.5h, mixed slurry is passed through
Oblique net paper machine is manufactured paper with pulp, is dried, and semi-finished product body paper is obtained；
(3) adhesive investment is five times in the water of its parts by weight, and high-speed stirred is mixed thoroughly it, obtains sizing applicator
Maceration extract, then after drying, surface press polish ornamenting, batching up to body paper at paper.
Performance detection is carried out to high tenacity nonwoven cladding paper prepared by embodiment 2, testing result is as follows:
It is quantitative: 50g/m2
Thickness: 0.15mm
Longitudinal dry tensile strength: 60N/1.5cm
Air permeability: less than 1s
Pliability: lateral pliability 150mN/5cm；Longitudinal pliability 405mN/5cm
Color is uniform, stablizes.
Embodiment 3
High tenacity nonwoven described in the present embodiment 3 coats paper, and based on mass fraction, raw material composition is as follows:
Wherein: polyester fiber is polyethylene terephthalate PET.
Adhesive polyvinyl alcohol.
Based on mass fraction, auxiliary agent composition is as follows:
Dispersing agent is polycarboxylic acids ammonia salt aqueous solution.
Drying strengthening agent is cationic starch.
Wet strength agent is Polyamide-Polyamsne-Epichlorohydrin PAE.
Antioxidant is dibutyl hydroxy toluene.
Defoaming agent is dimethyl silicone polymer.
Ultraviolet absorber is salicylic acid lipid absorbents.
High tenacity nonwoven described in the present embodiment 3 coats the preparation method of paper, specifically includes the following steps:
(1) bleached sulphate hardwood pulp and bleached sulphate softwood pulp are added in hydrabrusher sufficiently broken
Solution, reaches 5% mass concentration, the good bleached sulphate hardwood pulp of size degradation and bleached sulphate softwood pulp is made respectively
With grinding and steep-taper fluffer by fibre cutting, wire-dividing broom purification, defibrination to beating degree is 23 ° of SR；
(2) step (1) resulting material is mixed with polyester fiber and auxiliary agent, after being stirred 2h, by mixed slurry through oblique
Net paper machine is manufactured paper with pulp, is dried, and semi-finished product body paper is obtained；
(3) adhesive investment is five times in the water of its parts by weight, and high-speed stirred is mixed thoroughly it, obtains sizing applicator
Maceration extract, then after drying, surface press polish ornamenting, batching up to body paper at paper.
Performance detection is carried out to high tenacity nonwoven cladding paper prepared by embodiment 3, testing result is as follows:
It is quantitative: 50g/m2
Thickness: 0.15mm
Longitudinal dry tensile strength: 50N/1.5cm
Air permeability: less than 1s
Pliability: lateral pliability 103mN/5cm；Longitudinal pliability 360mN/5cm
Color is uniform, stablizes.
Claims (10)
1. a kind of high tenacity nonwoven coats paper, it is characterised in that: based on mass fraction, raw material composition is as follows:
Auxiliary agent is the mixture of drying strengthening agent, wet strength agent, dispersing agent, defoaming agent, ultraviolet absorber and antioxidant.
2. high tenacity nonwoven according to claim 1 coats paper, it is characterised in that: polyester fiber is poly terephthalic acid second
Diester.
3. high tenacity nonwoven according to claim 1 coats paper, it is characterised in that: adhesive is aqueous non-toxic adhesive,
Aqueous non-toxic adhesive is one of styrene-acrylic latex, styrene-butadiene latex, polyurethane resin, melamine or polyvinyl alcohol or several
Kind.
4. high tenacity nonwoven according to claim 1 coats paper, it is characterised in that: based on mass fraction, auxiliary agent forms such as
Under:
5. high tenacity nonwoven according to claim 4 coats paper, it is characterised in that: dispersing agent is that polycarboxylic acids ammonia salt is water-soluble
One or more of liquid, anionic Sodium Polyacrylate saline solution or copolymer xylene solution containing acidic-group.
6. high tenacity nonwoven according to claim 4 coats paper, it is characterised in that: drying strengthening agent is modified starch, cation
One or more of acrylamide, polyacrylamide or cation acrylamide.
7. high tenacity nonwoven according to claim 4 coats paper, it is characterised in that: wet strength agent is polyamide polyamines epoxy chlorine
One or both of propane or polyamide Hydrin resin.
8. high tenacity nonwoven according to claim 4 coats paper, it is characterised in that: antioxidant is butylhydroxy fennel
One or more of ether, dibutyl hydroxy toluene or tert-butyl hydroquinone；Defoaming agent is dimethyl silicone polymer；Ultraviolet suction
Receiving agent is salicylic acid lipid absorbents.
9. a kind of preparation method of high tenacity nonwoven cladding paper described in claim 1, it is characterised in that: specifically include following step
It is rapid:
(1) it will be diluted with water mashing in bleached sulphate hardwood pulp and bleached sulphate softwood pulp investment beater, controlled
Beating degree is 21-23 ° of SR；
(2) step (1) resulting material is mixed with polyester fiber and auxiliary agent, after being stirred 1-2h, by mixed slurry through inclined wire
Paper machine is manufactured paper with pulp, is dried, and semi-finished product body paper is obtained；
(3) adhesive investment is five times in the water of its parts by weight, and high-speed stirred is mixed thoroughly it, obtains sizing applicator dipping
Liquid, then after drying, surface press polish ornamenting, batching up to body paper at paper.
10. the preparation method of high tenacity nonwoven cladding paper according to claim 9, it is characterised in that: described in step (1)
Bleached sulphate hardwood pulp and bleached sulphate softwood pulp investment beater in be diluted with water mashing, specifically bleach sulphur
Hydrochlorate hardwood pulp and bleached sulphate softwood pulp are added to abundant size degradation in hydrabrusher, and the quality for reaching 4-5% is dense
Degree, by the good bleached sulphate hardwood pulp of size degradation and bleached sulphate softwood pulp respectively using grinding and steep-taper fluffer
By fibre cutting, wire-dividing broom purification, defibrination to the beating degree needed.
Priority Applications (1)
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| CN111636251A (en) * | 2020-06-08 | 2020-09-08 | 淄博欧木特种纸业有限公司 | Wall base paper and preparation method thereof |
| CN112900149A (en) * | 2021-01-16 | 2021-06-04 | 北京金印联国际供应链管理有限公司 | White cardboard for food package and production process thereof |
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| CN117449118A (en) * | 2023-11-22 | 2024-01-26 | 潍坊海恩纸业有限公司 | Tear-resistant degradable plastic paper substitute and preparation method thereof |
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