CN110158365A - A kind of environmental protection substrate and preparation method thereof - Google Patents

A kind of environmental protection substrate and preparation method thereof Download PDF

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Publication number
CN110158365A
CN110158365A CN201810206448.7A CN201810206448A CN110158365A CN 110158365 A CN110158365 A CN 110158365A CN 201810206448 A CN201810206448 A CN 201810206448A CN 110158365 A CN110158365 A CN 110158365A
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CN
China
Prior art keywords
substrate
environmental protection
nano
resin layer
titanium oxide
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CN201810206448.7A
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Chinese (zh)
Inventor
韩庆斌
宋佃凤
陈永建
王振
徐汝义
葛龙
汤洪斌
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Shandong Renfeng Special Materials Co Ltd
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Shandong Renfeng Special Materials Co Ltd
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Priority to CN201810206448.7A priority Critical patent/CN110158365A/en
Publication of CN110158365A publication Critical patent/CN110158365A/en
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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
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D21H19/385—Oxides, hydroxides or carbonates
    • 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
    • D21H19/80—Paper comprising more than one coating
    • D21H19/82—Paper comprising more than one coating superposed
    • D21H19/828—Paper comprising more than one coating superposed two superposed coatings, the first applied being non-pigmented and the second applied being pigmented
    • 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
    • D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/50—Spraying or projecting
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/70—Multistep processes; Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group
    • 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
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/04—Physical treatment, e.g. heating, irradiating
    • D21H25/06—Physical treatment, e.g. heating, irradiating of impregnated or coated 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
    • 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
    • D21H27/20—Flexible structures being applied by the user, e.g. wallpaper
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/002—Coverings or linings, e.g. for walls or ceilings made of webs, e.g. of fabrics, or wallpaper, used as coverings or linings

Abstract

The invention discloses a kind of environmental protection substrates and preparation method thereof, are related to environment-friendly materials field, with improve so that environmental protection substrate disinfection and go formaldehyde capability improving.The preparation method of the environmental protection substrate is included in substrate surface and applies thermoplastic resin; substrate is subjected to primary heating by drying cylinder; so that substrate surface forms resin layer; in the state of the softening of the resin layer of substrate surface; homogeneous nano titanium oxide dispersion is sprayed to the resin layer of substrate surface, so that the nano-titanium dioxide that homogeneous nano titanium oxide dispersion contains is attached to resin layer surface；Substrate is subjected to reheating by drying cylinder, obtains environmental protection substrate.The environmental protection substrate is made of above-mentioned preparation method.Environmental protection substrate provided by the invention and preparation method thereof is gone in formaldehyde for materials disinfection.

Description

A kind of environmental protection substrate and preparation method thereof
Technical field
The present invention relates to environment-friendly materials fields, and in particular to a kind of environmental protection substrate and preparation method thereof.
Background technique
Wallpaper is a kind of very common indoor hardware fitting, is mainly made of plant fiber, some attached on plant fiber Object and fiber itself be bacterial reproduction matrix, cause bacterium to be easy to breed on wallpaper, cause to be attached on wall Often there is the problem of moldy metamorphism in wallpaper.Moreover, being attaching wallpaper, commonly using relatively high to some formaldehyde contents Glue, so that wallpaper is more closely attached on wall, but this is but also indoor the problem of it is easy to appear formaldehyde pollutions.
In order to overcome the above problem, people generally prepare nano-titanium dioxide using sol-gel process when preparing wallpaper Then nano titanic oxide sol spray is added on indoor wallpaper by colloidal sol, to be decomposed using nano-titanium dioxide as photocatalyst Formaldehyde, to reach the dual purpose that formaldehyde is removed in disinfection；But the nano-titanium dioxide ratio contained due to nano titanic oxide sol Less, causing this mode to sterilize and go formaldehyde, the effect is relatively poor.
Summary of the invention
The purpose of the present invention is to provide a kind of environmental protection substrate and preparation method thereof, so that the disinfection of environmental protection substrate and going Formaldehyde capability improving.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of preparation method of environmental protection substrate, the preparation method of the environmental protection substrate include:
The first step, applies thermoplastic resin in substrate surface, the substrate is carried out primary heating by drying cylinder, so that institute It states substrate surface and forms resin layer；
Second step, in the state of the softening of the resin layer of the substrate surface, the resin layer sprinkling of Xiang Suoshu substrate surface Homogeneous nano titanium oxide dispersion, so that the nano-titanium dioxide that the homogeneous nano titanium oxide dispersion contains is attached to Resin layer surface；
The substrate is carried out reheating by drying cylinder, obtains environmental protection substrate by third step.
Compared with prior art, the preparation method of environmental protection substrate provided by the invention, by applying thermoplastic in substrate surface Property resin, and using drying cylinder to substrate carry out primary heating, do not remove only the moisture contained by thermoplastic resin, but also make Softening stress-displacement stage can be in by obtaining substrate surface formation resin layer, in this way when homogeneous nano titanium oxide dispersion is sprayed at resin Layer, it will be able to be in the resin layer of softening using substrate surface and homogeneous received what homogeneous nano titanium oxide dispersion contained Rice titanium dioxide is attached to substrate surface；Moreover, in the preparation method of environmental protection substrate provided by the invention, thermoplasticity is utilized Resin softens when having heating, the property not softened when not heating, in this way when nano-titanium dioxide passes through the resin of softening After layer is attached to substrate surface, resin layer is gradually hardened because temperature reduces, so that suction of the nano-titanium dioxide in resin layer It is attached not close, on this basis, reheating is carried out to substrate by drying cylinder, the resin layer of substrate surface can not only be removed The moisture contained by homogeneous nano titanium oxide dispersion sprayed, and it is also possible that the resin layer of substrate is soft again Change, guarantees the even closer resin layer for being attached to substrate surface of nano-titanium dioxide, this makes it possible to make prepared ring It protects substrate and adheres to a large amount of titanium dioxide nanoparticle, to avoid adhesive in nano titanic oxide sol to nano-titanium dioxide Block, to ensure that disinfection and go formaldehyde performance.
The present invention also provides a kind of environmental protection substrate, environmental protection substrate that the environmental protection substrate provides by adopting the above technical scheme Preparation method be made, it is described environmental protection substrate include the substrate for being formed with thermoplastic resin membrane, the thermoplastic resin membrane Nano-titanium dioxide spray coating is formed with away from the surface of substrate.
Compared with prior art, the environmental protection that the beneficial effect Yu above-mentioned technical proposal of environmental protection substrate provided by the invention provide The beneficial effect of the preparation method of substrate is identical, and this will not be repeated here.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow diagram of the preparation method of environmental protection substrate provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of environmental protection substrate provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the preparation method of environmental protection substrate provided by the invention, this method is suitable for wallpaper, wall cloth, medical anti- The substrates such as bacterium cloth, pack cloth, specific method include the following steps:
The first step applies thermoplastic resin in substrate surface, substrate is put in drying cylinder and carries out primary heating, so that substrate Surface forms resin layer；
Second step sprays homogeneous nanometer to the resin layer of substrate surface in the state of the softening of the resin layer of substrate surface Titanium oxide dispersion, so that the nano-titanium dioxide that homogeneous nano titanium oxide dispersion contains is attached to resin layer surface；
Substrate is put in drying cylinder and carries out reheating, obtains environmental protection substrate by third step.
Wherein, water is added in nano-titanium dioxide dispersion tank, and nano titanium dioxide powder is added in water, is then utilized Nano titanium dioxide powder is uniformly dispersed in water by ultrasonic dispersing machine, so that homogeneous state is presented in the dispersion liquid formed, And do not precipitate, to obtain homogeneous nano titanium oxide dispersion；The nanometer that homogeneous nano titanium oxide dispersion contains The partial size of titanium dioxide is in 20nm-50nm, specific surface area 80m2/g-200m2/g；
The preparation method of environmental protection substrate based on the embodiment of the present invention applies thermoplastic resin in substrate surface, and Primary heating is carried out to substrate using drying cylinder, the moisture contained by thermoplastic resin is not removed only, so that substrate table Face, which forms resin layer, can be in softening stress-displacement stage, in this way when homogeneous nano titanium oxide dispersion is sprayed at resin layer, it will be able to The homogeneous nanometer titanium dioxide for being contained homogeneous nano titanium oxide dispersion using the resin layer that substrate surface has been in softening Titanium is attached to substrate surface；Moreover, in the preparation method of environmental protection substrate provided in an embodiment of the present invention, thermoplastic resin is utilized Rouge softens when having heating, the property not softened when not heating, in this way when nano-titanium dioxide passes through the resin layer of softening After being attached to substrate surface, resin layer is gradually hardened because temperature reduces, so that absorption of the nano-titanium dioxide in resin layer It is not close, on this basis, reheating is carried out to substrate by drying cylinder, the resin layer institute of substrate surface can not only be removed Moisture contained by the homogeneous nano titanium oxide dispersion of sprinkling, and it is also possible that the resin layer of substrate softens again, Guarantee the even closer resin layer for being attached to substrate surface of nano-titanium dioxide, this makes it possible to make prepared environmentally friendly base Material adheres to a large amount of titanium dioxide nanoparticle, the screening to avoid adhesive in nano titanic oxide sol to nano-titanium dioxide Gear, to ensure that disinfection and go formaldehyde performance.
In addition, when substrate obtained by the preparation method of environmental protection substrate provided in an embodiment of the present invention is page, in page Surface applies thermoplastic resin, and substantive process is equivalent to the process that top sizing is carried out to page, thus without special right Page is glued, to simplify the preparation method of environmental protection substrate.
Wherein, if environmental protection substrate needs press polish, environmental protection substrate passes through calender ornamenting, batches, and forms product.If Environmental protection substrate does not need press polish, then directly batches.
It should be noted that thermoplastic resin is thermoplastic acrylic resin or thermoplastic phenolic resin in the embodiment of the present invention Rouge or other selectable thermoplastic resins；And in view of heating temperature compares the influence of the softening degree of thermoplastic resin Greatly, therefore, when selecting heating temperature, the softness number of thermoplastic resin should be made to be preferred no more than 30%.Such as: work as thermoplastic Property resin when being thermoplastic acrylic resin, the heating temperature that primary heating and reheating may be selected is 50 DEG C -70 DEG C, this When both can in primary heating, remove thermoplastic resin contained by moisture, avoid thermoplastic acrylic resin from overbating, The moisture being sprayed at contained by the homogeneous nano titanium oxide dispersion of resin layer surface can be removed in reheating again.
It should be noted that the cylinder body of used drying cylinder is smooth during carrying out primary heating and reheating. Wherein, in the first step, substrate is put in progress primary heating in drying cylinder includes:
Substrate is put in drying cylinder, and the applied thermoplastic resin in control base board surface is contacted with the cylinder surface of drying cylinder, Then primary heating, in this way the resin layer smoother of the substrate surface after heating are carried out, in the subsequent homogeneous nanometer of sprinkling When titanium oxide dispersion, a possibility that resin layer embedded nano titanium dioxide of softening can be reduced.
In second step, it includes: substrate to be put in drying cylinder, and control attachment and receive that substrate, which is put in drying cylinder, and carries out reheating The resin layer of rice titanium dioxide contacts dryer surface.
In addition, film softness is formed by, therefore, in substrate surface since thermoplastic resin is after substrate surface film forming The bending performance of substrate will not be had an impact by applying thermoplastic resin.Wherein, when the resin layer of every square metre of substrate surface When quality is 10g-15g, prepared environmental protection substrate has good flexibility at this time, and nano-titanium dioxide can be close It is attached to substrate surface.
Further, homogeneous nano titanium oxide dispersion is admittedly 10% containing mass percent, every square meter substrate surface shape At resin layer sprinkling homogeneous nano titanium oxide dispersion be 2g-10g；The resin layer sprinkling that every square meter substrate surface is formed Homogeneous nano titanium oxide dispersion contain the nano-titanium dioxide of 0.2g-1g；Homogeneous nano titanium oxide dispersion contains Nano-titanium dioxide partial size in 20nm-50nm, specific surface area 80m2/g-200m2/g, this makes obtained prepared Environmental protection substrate it is quantitative in 80g/m2-120g/m2, and guarantee that the moisture contained by homogeneous nano titanium oxide dispersion will not shadow Ring page characteristic.
Illustratively, it is soft to be sprayed onto primary drying substrate surface by the embodiment of the present invention for homogeneous nano titanium oxide dispersion Include: that the injection unit of multiple Fan spray head compositions is provided on the thermoplastic resin of change, is received using multiple Fan spray heads by homogeneous Rice titanium oxide dispersion is sprayed onto the surface of the resin layer of substrate surface formation in a manner of being atomized；Wherein, two neighboring fan The homogeneous nano titanium oxide dispersion of shape spray head sprinkling is formed by fan-shaped region and overlaps, and does not spray to avoid substrate surface appearance Spill the white space of homogeneous nano titanium oxide dispersion.
Specifically, nano titanium oxide dispersion is pressurizeed by high-pressure pump, passes through injection spray pipe in substrate production process On Fan spray head continuously spray, Direct spraying is on paper.It is formed and is intersected between the covering of the fan that different spray nozzles spray, in this way in papermaking It is formed one of heavy curtain on machine banner, during paper web is walked forward, is formed nano-titanium dioxide on paper Spray-painting.
Wherein, it is 3kg/cm that each Fan spray head, which sprays the pressure of homogeneous nano titanium oxide dispersion,2~6kg/cm2, this When sample enables to homogeneous nano titanium oxide dispersion to be sprayed onto primary drying substrate surface, will not because pressure is excessive and by The resin layer of softening embeds, but can guarantee that nano-titanium dioxide is attached to resin layer surface.
As shown in Fig. 2, the embodiment of the invention also provides a kind of environmentally friendly substrate, which uses above-mentioned environmental protection substrate Preparation method be made, which includes the substrate 1 for being formed with thermoplastic resin membrane 2, and thermoplastic resin membrane 2 deviates from The surface of substrate 1 is formed with nano-titanium dioxide spray coating 3.
Compared with prior art, the beneficial effect of environmental protection substrate provided in an embodiment of the present invention with it is provided by the above embodiment The beneficial effect of the preparation method of environmentally friendly substrate is identical, is not described herein.
Wherein, the quantification of 80g/m2-120g/m2 of the environmental protection substrate, the aqueous mass percent of environmental protection substrate is 3%~ 8%.
It is described in detail below with reference to preparation method of the embodiment to environmental protection substrate provided by the invention, is only limitted to solve It releases, and not in restriction.
Embodiment one
The first step, applies thermoplastic acrylic resin on hanging raw stock surface, and hanging raw stock is carried out once by drying cylinder Heating, so that hanging raw stock surface forms resin layer, the resin layer quality of every square metre of hanging raw stock is 10g, primary heating Temperature is 50 DEG C；
Second step provides the injection unit of six Fan spray heads composition, using six Fan spray heads by homogeneous nano-silica Change the surface that titanium dispersion liquid is sprayed onto the resin layer of hanging raw stock surface formation in a manner of being atomized, two neighboring Fan spray head spray Spilling homogeneous nano titanium oxide dispersion, to be formed by fan-shaped region overlapping；Wherein,
Homogeneous nano titanium oxide dispersion is admittedly 10% containing mass percent, what every square meter hanging raw stock surface was formed The homogeneous nano titanium oxide dispersion of resin layer sprinkling is 3g；The resin layer that every square meter hanging raw stock surface is formed sprays even Matter nano titanium oxide dispersion contains the nano-titanium dioxide of 0.3g；The nanometer two that homogeneous nano titanium oxide dispersion contains The partial size of titanium oxide is in 20nm-50nm, specific surface area 80m2/g-200m2/g。
The resin layer of third step, control attachment nano-titanium dioxide contacts dryer surface, then carries out reheating, obtains Environment-friendlywallpaper wallpaper；Wherein, the temperature of reheating is 60 DEG C.
Comparative example one
Hanging raw stock is carried out primary heating by drying cylinder by the first step, and the temperature of primary heating is 50 DEG C；
Second step provides the injection unit of six Fan spray heads composition, using six Fan spray heads by homogeneous nano-silica Change titanium dispersion liquid and be sprayed onto hanging raw stock surface in a manner of being atomized, two neighboring Fan spray head sprays homogeneous nano-titanium dioxide It is overlapping that dispersion liquid is formed by fan-shaped region；Wherein,
Homogeneous nano titanium oxide dispersion is admittedly 10% containing mass percent, the sprinkling of every square meter hanging raw stock surface Homogeneous nano titanium oxide dispersion is 3g；The homogeneous nano titanium oxide dispersion of every square meter hanging raw stock surface sprinkling contains The nano-titanium dioxide of 0.3g；The partial size for the nano-titanium dioxide that homogeneous nano titanium oxide dispersion contains in 20nm-50nm, Specific surface area is 80m2/g-200m2/g.
Hanging raw stock is carried out reheating by drying cylinder, obtains Environment-friendlywallpaper wallpaper by third step；Wherein, the temperature of reheating Degree is 60 DEG C.
Embodiment two
The first step applies thermoplastic phenolic resin on hanging raw stock surface, and hanging raw stock once add by drying cylinder Heat, so that hanging raw stock surface forms resin layer, the resin layer quality of every square metre of hanging raw stock is 13g, the temperature of primary heating Degree is 70 DEG C；
Second step provides the injection unit of six Fan spray heads composition, using six Fan spray heads by homogeneous nano-silica Change the surface that titanium dispersion liquid is sprayed onto the resin layer of hanging raw stock surface formation in a manner of being atomized, two neighboring Fan spray head spray Spilling homogeneous nano titanium oxide dispersion, to be formed by fan-shaped region overlapping；Wherein,
Homogeneous nano titanium oxide dispersion is admittedly 10% containing mass percent, what every square meter hanging raw stock surface was formed The homogeneous nano titanium oxide dispersion of resin layer sprinkling is 2g；The resin layer that every square meter hanging raw stock surface is formed sprays even Matter nano titanium oxide dispersion contains the nano-titanium dioxide of 0.2g；The nanometer two that homogeneous nano titanium oxide dispersion contains The partial size of titanium oxide is in 20nm-50nm, specific surface area 80m2/g-200m2/g。
The resin layer of third step, control attachment nano-titanium dioxide contacts dryer surface, then carries out reheating, obtains Environment-friendlywallpaper wallpaper；Wherein, the temperature of reheating is 50 DEG C.
Comparative example two
Hanging raw stock is carried out primary heating by drying cylinder by the first step, and the temperature of primary heating is 70 DEG C；
Second step provides the injection unit of six Fan spray heads composition, using six Fan spray heads by homogeneous nano-silica Change titanium dispersion liquid and be sprayed onto hanging raw stock surface in a manner of being atomized, two neighboring Fan spray head sprays homogeneous nano-titanium dioxide It is overlapping that dispersion liquid is formed by fan-shaped region；Wherein,
Homogeneous nano titanium oxide dispersion is admittedly 10% containing mass percent, the sprinkling of every square meter hanging raw stock surface Homogeneous nano titanium oxide dispersion is 2g；The homogeneous nano titanium oxide dispersion of every square meter hanging raw stock surface shape sprinkling contains There is the nano-titanium dioxide of 0.2g；The partial size for the nano-titanium dioxide that homogeneous nano titanium oxide dispersion contains is in 20nm- 50nm, specific surface area 80m2/g-200m2/g.
Hanging raw stock is carried out reheating by drying cylinder, obtains Environment-friendlywallpaper wallpaper by third step；Wherein, the temperature of reheating Degree is 50 DEG C.
Embodiment three
The first step applies thermoplastic phenolic resin on hanging raw stock surface, and hanging raw stock once add by drying cylinder Heat, so that hanging raw stock surface forms resin layer, the resin layer quality of every square metre of hanging raw stock is 15g, the temperature of primary heating Degree is 56 DEG C；
Second step provides the injection unit of six Fan spray heads composition, using six Fan spray heads by homogeneous nano-silica Change the surface that titanium dispersion liquid is sprayed onto the resin layer of hanging raw stock surface formation in a manner of being atomized, two neighboring Fan spray head spray Spilling homogeneous nano titanium oxide dispersion, to be formed by fan-shaped region overlapping；Wherein,
Homogeneous nano titanium oxide dispersion is admittedly 10% containing mass percent, what every square meter hanging raw stock surface was formed The homogeneous nano titanium oxide dispersion of resin layer sprinkling is 8g；The resin layer that every square meter hanging raw stock surface is formed sprays even Matter nano titanium oxide dispersion contains the nano-titanium dioxide of 0.8g；The nanometer two that homogeneous nano titanium oxide dispersion contains The partial size of titanium oxide is in 20nm-50nm, specific surface area 80m2/g-200m2/g。
The resin layer of third step, control attachment nano-titanium dioxide contacts dryer surface, then carries out reheating, obtains Environment-friendlywallpaper wallpaper；Wherein, the temperature of reheating is 50 DEG C.
Comparative example three
Hanging raw stock is carried out primary heating by drying cylinder by the first step, and the temperature of primary heating is 56 DEG C；
Second step provides the injection unit of six Fan spray heads composition, using six Fan spray heads by homogeneous nano-silica Change titanium dispersion liquid and be sprayed onto hanging raw stock surface in a manner of being atomized, two neighboring Fan spray head sprays homogeneous nano-titanium dioxide It is overlapping that dispersion liquid is formed by fan-shaped region；Wherein,
Homogeneous nano titanium oxide dispersion is admittedly 10% containing mass percent, the sprinkling of every square meter hanging raw stock surface Homogeneous nano titanium oxide dispersion is 8g；The homogeneous nano titanium oxide dispersion of every square meter hanging raw stock surface sprinkling contains The nano-titanium dioxide of 0.8g；The partial size for the nano-titanium dioxide that homogeneous nano titanium oxide dispersion contains in 20nm-50nm, Specific surface area is 80m2/g-200m2/g.
Hanging raw stock is carried out reheating by drying cylinder, obtains Environment-friendlywallpaper wallpaper by third step；Wherein, the temperature of reheating Degree is 50 DEG C.
Example IV
The first step, applies thermoplastic acrylic resin on hanging raw stock surface, and hanging raw stock is carried out once by drying cylinder Heating, so that hanging raw stock surface forms resin layer, the resin layer quality of every square metre of hanging raw stock is 14g, primary heating Temperature is 60 DEG C；
Second step provides the injection unit of six Fan spray heads composition, using six Fan spray heads by homogeneous nano-silica Change the surface that titanium dispersion liquid is sprayed onto the resin layer of hanging raw stock surface formation in a manner of being atomized, two neighboring Fan spray head spray Spilling homogeneous nano titanium oxide dispersion, to be formed by fan-shaped region overlapping；Wherein,
Homogeneous nano titanium oxide dispersion is admittedly 10% containing mass percent, what every square meter hanging raw stock surface was formed The homogeneous nano titanium oxide dispersion of resin layer sprinkling is 10g；The resin layer sprinkling that every square meter hanging raw stock surface is formed Homogeneous nano titanium oxide dispersion contains the nano-titanium dioxide of 1g；The nanometer two that homogeneous nano titanium oxide dispersion contains The partial size of titanium oxide is in 20nm-50nm, specific surface area 80m2/g-200m2/g。
The resin layer of third step, control attachment nano-titanium dioxide contacts dryer surface, then carries out reheating, obtains Environment-friendlywallpaper wallpaper；Wherein, the temperature of reheating is 70 DEG C.
Comparative example four
Hanging raw stock is carried out primary heating by drying cylinder by the first step, and the temperature of primary heating is 60 DEG C；
Second step provides the injection unit of six Fan spray heads composition, using six Fan spray heads by homogeneous nano-silica Change titanium dispersion liquid and be sprayed onto hanging raw stock surface in a manner of being atomized, two neighboring Fan spray head sprays homogeneous nano-titanium dioxide It is overlapping that dispersion liquid is formed by fan-shaped region；Wherein,
Homogeneous nano titanium oxide dispersion is admittedly 10% containing mass percent, the sprinkling of every square meter hanging raw stock surface Homogeneous nano titanium oxide dispersion is 10g；The homogeneous nano titanium oxide dispersion of every square meter hanging raw stock surface sprinkling contains There is the nano-titanium dioxide of 1g；The partial size for the nano-titanium dioxide that homogeneous nano titanium oxide dispersion contains in 20nm-50nm, Specific surface area is 80m2/g-200m2/g.
Hanging raw stock is carried out reheating by drying cylinder, obtains Environment-friendlywallpaper wallpaper by third step；Wherein, the temperature of reheating Degree is 70 DEG C.
The technical parameter of the environmentally friendly substrate of table 1
As table 1 it can be found that nano-titanium dioxide accompanying by Environment-friendlywallpaper wallpaper prepared by embodiment one to four is more firm Gu there is not the problem of loss.And there is a large amount of nano-titanium dioxide and is lost in comparative example one to four, and leads to environmentally friendly wall Paper production cost increases.
Formaldehyde absorbing test is carried out to Environment-friendlywallpaper wallpaper prepared by embodiment one to four, specific method is to take 10mm × 10mm Environment-friendlywallpaper wallpaper be attached to volume be 1L transparent glass box in, and into transparent glass box instill mass concentration be 46% first Transparent glass box, is then placed under illumination condition and places by aldehyde aqueous solution 20mL.It is dense to the formaldehyde in transparent glass box after three days Degree is tested, and the results are shown in Table 2.
Environment-friendlywallpaper wallpaper formaldehyde removal ability test result prepared by 2 embodiment one to four of table
Sample Indoor formaldehyde concentration mg/m3
Embodiment one 0.070
Embodiment two 0.065
Embodiment three 0.053
Example IV 0.050
As table 2 it can be found that Environment-friendlywallpaper wallpaper prepared by embodiment one to four is relatively high for the removal ability of formaldehyde, symbol It closes national standard and (is lower than 0.08mg/m3) require.

Claims (10)

1. a kind of preparation method of environmental protection substrate characterized by comprising
The first step, applies thermoplastic resin in substrate surface, the substrate is carried out primary heating by drying cylinder, so that the base Plate surface forms resin layer；
Second step, in the state of the softening of the resin layer of the substrate surface, the resin layer sprinkling of Xiang Suoshu substrate surface is homogeneous Nano titanium oxide dispersion, so that the nano-titanium dioxide that the homogeneous nano titanium oxide dispersion contains is attached to resin Layer surface；
The substrate is carried out reheating by drying cylinder, obtains environmental protection substrate by third step.
2. the preparation method of environmental protection substrate according to claim 1, which is characterized in that the thermoplastic resin is thermoplasticity Acrylic resin or thermoplastic phenolic resin.
3. the preparation method of environmental protection substrate according to claim 1, which is characterized in that the resin on every square meter of substrate surface Layer quality is 10g-15g.
4. the preparation method of environmental protection substrate according to claim 1, which is characterized in that the tree to the substrate surface Rouge layer sprays homogeneous nano titanium oxide dispersion
The injection unit of multiple Fan spray head compositions is provided, is dispersed homogeneous nano-titanium dioxide using multiple Fan spray heads Liquid is sprayed onto the surface for the resin layer that the substrate surface is formed in a manner of being atomized；Wherein, two neighboring Fan spray head sprinkling It is overlapping that homogeneous nano titanium oxide dispersion is formed by fan-shaped region.
5. the preparation method of environmental protection substrate according to claim 4, which is characterized in that each Fan spray head sprinkling is even The pressure of matter nano titanium oxide dispersion is 3kg/cm2~6kg/cm2。
6. the preparation method of environmental protection substrate according to claim 1, which is characterized in that the homogeneous nano-titanium dioxide point Dispersion liquid is admittedly 10% containing mass percent.
7. the preparation method of environmental protection substrate according to claim 1 or 6, which is characterized in that every square meter substrate surface is formed Resin layer sprinkling homogeneous nano titanium oxide dispersion be 2g-10g；The resin layer sprinkling that every square meter substrate surface is formed Homogeneous nano titanium oxide dispersion contains the nano-titanium dioxide of 0.2g-1g；The homogeneous nano titanium oxide dispersion contains The partial size of some nano-titanium dioxides is in 20nm-50nm, specific surface area 80m2/g-200m2/g。
8. the preparation method of environmental protection substrate according to claim 1, which is characterized in that the primary heating and reheating Heating temperature be 50 DEG C -70 DEG C；The cylinder surface of the drying cylinder is smooth；
In the first step, the substrate, which is carried out primary heating by drying cylinder, includes:
The applied thermoplastic resin in control base board surface is contacted with dryer surface, then carries out primary heating to substrate；
In the second step, the substrate, which is carried out reheating by drying cylinder, includes:
The resin layer of control attachment nano-titanium dioxide contacts dryer surface, then carries out reheating to substrate.
9. a kind of environmental protection substrate, which is characterized in that the environmental protection substrate is using environmentally friendly base according to any one of claims 1 to 8 The preparation method of material is made, and the environmental protection substrate includes the substrate for being formed with thermoplastic resin membrane, and the thermoplastic resin is thin Film is formed with nano-titanium dioxide spray coating away from the surface of substrate.
10. environmental protection substrate according to claim 9, which is characterized in that the quantification of 80g/m of the environmental protection substrate2-120g/ m2, the aqueous mass percent of the environmental protection substrate is 3%~8%.
CN201810206448.7A 2018-03-13 2018-03-13 A kind of environmental protection substrate and preparation method thereof Pending CN110158365A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103722856A (en) * 2013-12-05 2014-04-16 杭州汉居家居有限公司 Preparation method of wallpaper capable of purifying indoor air
CN103882782A (en) * 2014-04-06 2014-06-25 湖北富狮材料科技股份有限公司 Ultraviolet-proof three-dimensional cold mounting composite paper
CN106283924A (en) * 2016-10-10 2017-01-04 宁波凯杜新材料科技有限公司 A kind of ecological anion wallpaper and preparation method thereof
CN107150465A (en) * 2017-06-06 2017-09-12 上海天臣防伪技术股份有限公司 Polymer film and preparation method thereof, application

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103722856A (en) * 2013-12-05 2014-04-16 杭州汉居家居有限公司 Preparation method of wallpaper capable of purifying indoor air
CN103882782A (en) * 2014-04-06 2014-06-25 湖北富狮材料科技股份有限公司 Ultraviolet-proof three-dimensional cold mounting composite paper
CN106283924A (en) * 2016-10-10 2017-01-04 宁波凯杜新材料科技有限公司 A kind of ecological anion wallpaper and preparation method thereof
CN107150465A (en) * 2017-06-06 2017-09-12 上海天臣防伪技术股份有限公司 Polymer film and preparation method thereof, application

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