CN115075059A - Anti-cracking single-color decorative paper and production process thereof - Google Patents

Anti-cracking single-color decorative paper and production process thereof Download PDF

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Publication number
CN115075059A
CN115075059A CN202210737714.5A CN202210737714A CN115075059A CN 115075059 A CN115075059 A CN 115075059A CN 202210737714 A CN202210737714 A CN 202210737714A CN 115075059 A CN115075059 A CN 115075059A
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CN
China
Prior art keywords
layer
parts
cracking
paper
wheel
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CN202210737714.5A
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Chinese (zh)
Inventor
邵潇栋
胡杰
张振凯
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Jiangsu Pulida Digital Technology Co ltd
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Jiangsu Pulida Digital Technology Co ltd
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Priority to CN202210737714.5A priority Critical patent/CN115075059A/en
Publication of CN115075059A publication Critical patent/CN115075059A/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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/02—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type
    • D21F11/04—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type paper or board consisting on two or more layers
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/26—Polyamides; Polyimides
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675—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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2554/00—Paper of special types, e.g. banknotes

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention belongs to the technical field of decorative paper, and particularly relates to anti-cracking monochromatic decorative paper and a production process thereof, wherein the anti-cracking monochromatic decorative paper comprises an anti-cracking base paper layer, a fluff layer is arranged above the anti-cracking base paper layer, and a heat insulation layer is arranged above the fluff layer, and the anti-cracking monochromatic decorative paper has the beneficial effects that: the anti-cracking base paper is prepared from wood pulp, cotton pulp, titanium dioxide, wet strength resin, nylon fiber and an anti-cracking auxiliary agent in a proper proportion, so that the anti-cracking base paper layer has a good anti-cracking effect and is not easy to crack during use; glue can be coated on one surface of the anti-cracking base paper layer, two surfaces of the heat insulation layer and one surface of the waterproof layer at the same time, fluff is sprayed on the anti-cracking base paper layer coated with the glue to form a fluff layer, and finally the anti-cracking base paper layer, the fluff layer, the heat insulation layer and the waterproof layer are laminated together; glue is smeared, fluff is sprayed and the pressing operation is carried out synchronously, so that the production efficiency is greatly improved.

Description

Anti-cracking single-color decorative paper and production process thereof
Technical Field
The invention relates to the technical field of decorative paper, in particular to anti-cracking monochromatic decorative paper and a production process thereof.
Background
Decorative paper is an essential raw material in many building material products, such as low-pressure plates and high-pressure plates used for furniture and cabinets, and also fireproof plates, floors and the like; the decorative paper is placed under the surface paper in the product structure, and mainly plays the roles of providing decoration of patterns and covering for preventing the seepage of bottom glue solution. This layer requires paper with good hiding power, impregnation and printing properties. The decorative paper requires smooth surface, good absorptivity and adaptability, even hue required by ground color and bright color required by color.
The invention patent with publication number CN109972458A discloses a preparation method and a preparation device of wear-resistant decorative paper, and the specification thereof discloses that' the effects of the three particles are respectively as follows, and alumina powder forms a wear-resistant layer on the surface of printing paper through the effect of glue, so that the printing paper is less prone to wear; meanwhile, the silicon dioxide nano particles are hydrophobic, so that the surface of the printing paper can not be stained with water, the whole decorative paper can be kept dry without being stained with water, and the decorative paper is not easy to be stained with dust when kept dry, so that the frequency of wiping the decorative paper can be reduced; like this titanium dioxide nanoparticle has oleophobic characteristic, and oily object can not be stained with decorative paper surface like this, and through the effect of silica nanoparticle and titanium dioxide nanoparticle, the decorative paper surface has formed the characteristics of not being stained with water and not gluing oil, can slow down the speed of piling up and the volume of piling up of dust on printing paper surface like this, can reduce the decorative paper like this and receive the number of times of wiping, reduce the wearing and tearing that the decorative paper received;
in the patent, the decorative paper is kept dry only by the hydrophobicity of the silica nanoparticles, so that the waterproof effect is poor, the decorative paper cannot be really protected from water, and the cracking phenomenon is easy to generate in the using process;
and the surface of the existing decorative paper is provided with a heat insulation layer and a waterproof layer, so that the decorative paper is not easy to increase in temperature and damp, and the anti-cracking effect is achieved.
Disclosure of Invention
The invention provides anti-cracking single-color decorative paper and a production process thereof.
Therefore, the invention aims to provide the anti-cracking single-color decorative paper and the production process thereof, which solve the problem that the existing decorative paper is easy to crack in the using process.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
the anti-cracking single-color decorative paper comprises an anti-cracking base paper layer, wherein a fluff layer is arranged above the anti-cracking base paper layer, a heat insulation layer is arranged above the fluff layer, a waterproof layer is arranged above the heat insulation layer, the anti-cracking base paper layer and the fluff layer are bonded together through a first bonding layer, the fluff layer and the heat insulation layer are bonded together through a second bonding layer, and the heat insulation layer and the waterproof layer are bonded together through a second bonding layer.
The invention relates to a preferable scheme of anti-cracking monochromatic decorative paper, wherein: the anti-cracking base paper layer is prepared by mixing 68-78 parts of wood pulp, 12-16 parts of cotton pulp, 20-28 parts of titanium dioxide, 2-3 parts of wet strength resin, 5-6 parts of nylon fiber and 3-5 parts of anti-cracking auxiliary agent in parts by weight; the waterproof layer is made of high molecular polymers, and the heat insulation layer is made of asbestos.
The invention relates to a preferable scheme of anti-cracking monochromatic decorative paper, wherein: the wood pulp, the cotton pulp, the titanium pigment, the wet strength resin, the nylon fiber and the anti-cracking auxiliary agent for preparing the anti-cracking base paper layer are respectively 68 parts, 12 parts, 20 parts, 2 parts, 5 parts and 3 parts (by weight).
As a preferred scheme of the anti-cracking single-color decorative paper, the invention comprises the following steps: the wood pulp, the cotton pulp, the titanium pigment, the wet strength resin, the nylon fiber and the anti-cracking auxiliary agent for preparing the anti-cracking base paper layer are 73 parts, 14 parts, 24 parts, 2.5 parts, 5.5 parts and 4 parts (by weight).
The invention relates to a preferable scheme of anti-cracking monochromatic decorative paper, wherein: the wood pulp, the cotton pulp, the titanium pigment, the wet strength resin, the nylon fiber and the anti-cracking auxiliary agent for preparing the anti-cracking base paper layer are respectively 78 parts, 16 parts, 28 parts, 3 parts, 6 parts and 5 parts (by weight).
The invention also provides a production process of the anti-cracking monochromatic decorative paper, which specifically comprises the following steps:
s1, mixing 68-78 parts of wood pulp, 12-16 parts of cotton pulp, 20-28 parts of titanium dioxide, 2-3 parts of wet strength resin, 5-6 parts of nylon fiber and 3-5 parts of anti-cracking auxiliary agent according to parts by weight to prepare mixed pulp;
s2, performing free pulping on the mixed pulp in S1, controlling the pulping degree to be between 41 and 45 degrees SR in a pulping mode mainly based on fiber cutting, and performing pulping operation after pulping, pulping and pulping operation;
s3, performing even disc grinding on the mixed slurry subjected to S2, removing slag from the mixed slurry, allowing the mixed slurry to enter a slurry flushing tank after the slag removal is completed, uniformly stirring the mixed slurry in the slurry flushing tank, and finally discharging slag from the mixed slurry and allowing the mixed slurry to enter a slurry box;
s4, forming a closed paper sheet forming belt net by mesh cloth through a mesh cloth roller and a papermaking couch roller, enabling the mixed slurry to form full wet paper through a forming plate on the closed paper sheet forming belt net, then closing a vacuum box on the paper sheet forming belt net to perform semi-dehydration on the full wet paper to form semi-wet paper, and then enabling the semi-wet paper to perform strong dehydration through the vacuum box to form a paper blank;
s5, allowing the paper blank to enter a pressing part, respectively performing vacuum pressing and gloss pressing, and performing pre-drying after the paper blank is pressed, wherein the drying temperature of the pre-drying is between 62 and 66 ℃;
s6, after drying, carrying out spray humidification on the surface of the paper blank to enable the humidity to reach 65%, carrying out soft calendering on the paper blank after surface humidification, wherein the elastic modulus of a calendering roller is 50-100 times of that of a steel roller, obtaining anti-cracking base paper after the soft calendering is finished, and winding the anti-cracking base paper;
and S7, adhering a layer of single-color velvet on the anti-cracking base paper by using the pressing equipment, forming a velvet layer on the surface of the anti-cracking base paper, synchronously adhering a heat insulation layer on the surface of the velvet layer, and adhering a waterproof layer on the surface of the heat insulation layer.
The pressing device comprises a releasing mechanism, a glue injection mechanism, a fluff spraying machine, a pressing mechanism and a winding mechanism;
the release mechanism comprises a first release wheel, a second release wheel is arranged below the first release wheel, a third release wheel is arranged below the second release wheel, two ends of the first release wheel, the second release wheel and the third release wheel are respectively connected with a first support column through bearings in a rotating mode, one end of the third release wheel is fixedly connected with a first servo motor, the first release wheel is in transmission connection with the second release wheel, and the second release wheel is in transmission connection with the third release wheel;
the glue injection mechanism comprises a glue injection machine, a glue outlet of the glue injection machine is fixedly connected with a vertical guide pipe, a glue outlet of the vertical guide pipe is fixedly connected with a transverse guide pipe, a glue outlet of the transverse guide pipe is fixedly connected with a glue coating pipe, and a valve is arranged on the transverse guide pipe;
the pressing mechanism comprises two groups of pressing wheels, wherein a gap is formed between the two groups of pressing wheels in a parallel mode, one end of the pressing wheel below the pressing mechanism is fixedly connected with a second servo motor, one ends of the two groups of pressing wheels are fixedly provided with gears, the two groups of gears are meshed and connected, and two ends of the two groups of pressing wheels are rotatably connected with a second supporting column through bearings;
the winding mechanism comprises a winding wheel, the two ends of the winding wheel are connected with a third supporting column in a rotating mode through bearings, and one end of the winding wheel is fixedly connected with a third servo motor.
A first belt pulley is fixedly mounted at one end of the first release wheel, the first belt pulley is connected with a second belt pulley through belt transmission, and the second belt pulley is fixedly mounted on the second release wheel; second release wheel one end fixed mounting has the third belt pulley, third release wheel one end fixed mounting has the fourth belt pulley, third belt pulley and fourth belt pulley pass through belt transmission and connect.
The pressing equipment also comprises a flattening mechanism; the mechanism that flattens includes the fourth support column, install the wheelset that flattens on the fourth support column, it comprises parallel arrangement's first flattening wheel and second flattening wheel to flatten the wheelset, first flattening wheel and second flattening wheel both ends all rotate through the bearing and connect the fourth support column.
The outer wall of the bottom end of the first support column is inserted with a first fixed seat, and the first fixed seat is connected with the first support column through a bolt; one end of the fourth supporting column is fixedly connected with the vertical guide pipe, and the fluff spraying machine is installed on the vertical guide pipe; the outer wall of the bottom end of the vertical guide pipe is inserted with a second fixed seat, and the second fixed seat is connected with the vertical guide pipe through a bolt; the outer wall of the bottom end of the second supporting column is inserted with a third fixed seat, the third fixed seat is connected with the second supporting column through a bolt, the outer wall of the bottom end of the third supporting column is inserted with a fourth fixed seat, and the fourth fixed seat is connected with the third supporting column through a bolt; the first fixing seat, the second fixing seat, the third fixing seat and the fourth fixing seat are fixedly mounted on the bottom plate.
Compared with the prior art:
1. the anti-cracking base paper is prepared from wood pulp, cotton pulp, titanium dioxide, wet strength resin, nylon fiber and an anti-cracking auxiliary agent in a proper proportion, so that the anti-cracking base paper layer has a good anti-cracking effect, is not easy to crack during use and has a long service life;
2. the anti-cracking single-color decorative paper body has good heat insulation and waterproof effects by arranging the waterproof layer made of the high-molecular polymer adhered on the anti-cracking base paper and arranging the heat insulation layer on the waterproof layer; meanwhile, the waterproof layer and the heat insulation layer shield the anti-cracking base paper layer, so that the anti-cracking base paper layer cannot be over-high in temperature and damp, and the anti-cracking base paper layer is prevented from being easily cracked due to damp or heating;
3. by arranging the pressing equipment, the operation of coating glue on one surface of the anti-cracking base paper layer, two surfaces of the heat insulation layer and one surface of the waterproof layer can be simultaneously completed, fluff is sprayed on the anti-cracking base paper layer coated with the glue to form a fluff layer, and finally the anti-cracking base paper layer, the fluff layer, the heat insulation layer and the waterproof layer are laminated together; glue smearing, fluff spraying and pressing operations are completed synchronously, and the production efficiency is greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of an anti-cracking monochromatic decorative paper body provided by the invention;
FIG. 2 is a schematic view of a laminating apparatus provided in the present invention;
FIG. 3 is a side view of a release mechanism provided by the present invention;
FIG. 4 is a side view of a stitching mechanism provided in accordance with the present invention;
fig. 5 is an enlarged view of a portion a of fig. 2 according to the present invention.
In the figure: the anti-cracking single-color decorative paper comprises an anti-cracking single-color decorative paper body 1, a waterproof layer 11, a second adhesive layer 12, a heat insulation layer 13, a second adhesive layer 14, a fluff layer 15, a first adhesive layer 16, an anti-cracking base paper layer 17, a release mechanism 3, a first support column 31, a first release wheel 32, a first belt pulley 321, a second release wheel 33, a second belt pulley 331, a third belt pulley 332, a third release wheel 34, a fourth belt pulley 341, a first servo motor 35, a flattening mechanism 4, a fourth support column 41, a first flattening wheel 42, a second flattening wheel 43, a glue injection mechanism 5, a glue injection machine 51, a vertical guide tube 52, a transverse guide tube 53, a valve 531, a glue injection tube 54, a glue outlet 55, a second fixed seat 56, a pressing mechanism 6, a second support column 61, a gear 62, a second servo motor 63, a pressing wheel 64, a third fixed seat 65, a winding mechanism 7, a winding wheel 71, a fourth fixed seat 72, a third support column 73, a pressing mechanism 73, a rolling mechanism 6, a first support column 3, a second support column 3, a first support column 31, a second support column 32, a second support column 33, a first support column 33, a second support column, a first support column, a second support column 33, a first support column 42, a first support column 42, a first support column 42, a first support column 42, a second support column 42, a first support column 42, a first support column 42, a first support column 42, a second support column 42, a second support column 42, a second support column 42, a bottom plate 8 and a fluff spraying machine 9.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Example 1:
the invention provides anti-cracking monochromatic decorative paper, which is shown in figures 1-5 and comprises an anti-cracking base paper layer 17, wherein a fluff layer 15 is arranged above the anti-cracking base paper layer 17, a heat insulation layer 13 is arranged above the fluff layer 15, a waterproof layer 11 is arranged above the heat insulation layer 13, the anti-cracking base paper layer 17 and the fluff layer 15 are bonded together through a first bonding layer 16, the fluff layer 15 and the heat insulation layer 13 are bonded together through a second bonding layer 14, and the heat insulation layer 13 and the waterproof layer 11 are bonded together through a second bonding layer 12; the anti-cracking base paper layer 17 is prepared by mixing 68-78 parts of wood pulp, 12-16 parts of cotton pulp, 20-28 parts of titanium dioxide, 2-3 parts of wet strength resin, 5-6 parts of nylon fiber and 3-5 parts of anti-cracking auxiliary agent (in parts by weight); the waterproof layer 11 is made of high molecular polymer, and the heat insulation layer 13 is made of asbestos; the crack preventive aid was set as the crack preventive agent B10.
The wood pulp, the cotton pulp, the titanium pigment, the wet strength resin, the nylon fiber and the anti-cracking auxiliary agent for preparing the anti-cracking base paper layer 17 are respectively 68 parts, 12 parts, 20 parts, 2 parts, 5 parts and 3 parts (by weight).
The pressing device comprises a releasing mechanism 3, a glue injection mechanism 5, a fluff spraying machine 9, a pressing mechanism 6 and a rolling mechanism 7, wherein the fluff spraying machine 9 is arranged on the vertical conduit 52;
the release mechanism 3 comprises a first release wheel 32, a second release wheel 33 is arranged below the first release wheel 32, a third release wheel 34 is arranged below the second release wheel 33, two ends of the first release wheel 32, the second release wheel 33 and the third release wheel 34 are rotatably connected with the first supporting column 31 through bearings, one end of the third release wheel 34 is fixedly connected with a first servo motor 35, the first release wheel 32 is in transmission connection with the second release wheel 33, and the second release wheel 33 is in transmission connection with the third release wheel 34;
the glue injection mechanism 5 comprises a glue injection machine 51, a glue outlet of the glue injection machine 51 is fixedly connected with a vertical guide pipe 52, a glue outlet 55 of the vertical guide pipe 52 is fixedly connected with a transverse guide pipe 53, a glue coating pipe 54 is fixedly connected with a glue outlet of the transverse guide pipe 53, a valve 531 is arranged on the transverse guide pipe 53, a second fixed seat 56 is inserted into the outer wall of the bottom end of the vertical guide pipe 52, and the second fixed seat 56 is connected with the vertical guide pipe 52 through bolts;
the pressing mechanism 6 comprises two groups of pressing wheels 64, two groups of pressing wheels 64 are arranged, gaps are formed between the two groups of pressing wheels 64 in a parallel mode, one end of the pressing wheel 64 below the pressing mechanism is fixedly connected with a second servo motor 63, one ends of the two groups of pressing wheels 64 are fixedly provided with gears 62, the two groups of gears 62 are meshed and connected, two ends of each group of pressing wheels 64 are rotatably connected with a second supporting column 61 through bearings, the outer wall of the bottom end of the second supporting column 61 is inserted into a third fixing seat 65, and the third fixing seat 65 is connected with the second supporting column 61 through bolts;
the winding mechanism 7 comprises a winding wheel 71, the two ends of the winding wheel 71 are connected with a third supporting column 73 through bearings in a rotating mode, one end of the winding wheel 71 is fixedly connected with a third servo motor, the outer wall of the bottom end of the third supporting column 73 is connected with a fourth fixing seat 72 in an inserting mode, and the fourth fixing seat 72 is connected with the third supporting column 73 through bolts.
A first belt pulley 321 is fixedly installed at one end of the first release wheel 32, the first belt pulley 321 is connected with a second belt pulley 331 through belt transmission, and the second belt pulley 331 is fixedly installed on the second release wheel 33; second release wheel 33 one end fixed mounting has third belt pulley 332, and third release wheel 34 one end fixed mounting has fourth belt pulley 341, and third belt pulley 332 and fourth belt pulley 341 pass through belt transmission and connect, first fixing base 36 of grafting of first support column 31 bottom outer wall, and first fixing base 36 and first support column 31 pass through bolted connection.
The pressing equipment also comprises a flattening mechanism 4; the flattening mechanism 4 comprises a fourth supporting column 41, a flattening wheel set is mounted on the fourth supporting column 41, the flattening wheel set is composed of a first flattening wheel 42 and a second flattening wheel 43 which are arranged in parallel, two ends of the first flattening wheel 42 and two ends of the second flattening wheel 43 are rotatably connected with the fourth supporting column 41 through bearings, and one end of the fourth supporting column 41 is fixedly connected with a vertical guide pipe 52; the flattening mechanism 4 is used for flattening the heat insulation layer 11, the waterproof layer 13 and the anti-cracking base paper layer 17, so that the coated glue is more uniform, and no wrinkles are generated in pressing.
The first fixing seat 36, the second fixing seat 56, the third fixing seat 65 and the fourth fixing seat 72 are all fixedly mounted on the bottom plate 8.
The preparation process of the anti-cracking single-color decorative paper body 1 specifically comprises the following steps:
s1, mixing 68 parts of wood pulp, 12 parts of cotton pulp, 20 parts of titanium dioxide, 2 parts of wet strength resin, 5 parts of nylon fiber and 3 parts of anti-cracking auxiliary agent according to parts by weight to prepare mixed slurry;
s2, performing free pulping on the mixed pulp in S1, controlling the pulping degree to be 41-45 DEG SR in a pulping mode mainly based on fiber cutting, performing pulping operation after pulping is completed, and repeatedly performing pulping and pulping operation;
s3, performing even disc grinding on the mixed slurry subjected to S2, removing slag from the mixed slurry, allowing the mixed slurry to enter a slurry flushing tank after the slag removal is completed, uniformly stirring the mixed slurry in the slurry flushing tank, and finally discharging slag from the mixed slurry through an upper-mesh pressure screen and allowing the discharged slag to flow into a slurry box;
s4, forming a closed paper sheet forming belt net by mesh cloth through a mesh cloth roller and a papermaking couch roller, enabling the mixed slurry to form full wet paper through a forming plate on the closed paper sheet forming belt net, then closing a vacuum box on the paper sheet forming belt net to perform semi-dehydration on the full wet paper to form semi-wet paper, and then enabling the semi-wet paper to perform strong dehydration through the vacuum box to form a paper blank;
s5, allowing the paper blank to enter a pressing part, respectively performing vacuum pressing and gloss pressing, and performing pre-drying after the paper blank is pressed, wherein the drying temperature of the pre-drying is between 62 and 66 ℃;
s6, after drying, carrying out spray humidification on the surface of the paper blank to enable the humidity to reach 65%, carrying out soft calendering on the paper blank after surface humidification, wherein the elastic modulus of a calendering roller is 50-100 times of that of a steel roller, obtaining anti-cracking base paper after the soft calendering is finished, and winding the anti-cracking base paper;
and S7, adhering a layer of single-color velvet on the anti-cracking base paper by using a pressing device, forming a velvet layer 15 on the surface of the anti-cracking base paper, synchronously adhering a heat-insulating layer 13 on the surface of the velvet layer 15, and adhering a waterproof layer 11 on the surface of the heat-insulating layer 13.
Example 2:
the difference from example 1 is: the wood pulp, the cotton pulp, the titanium pigment, the wet strength resin, the nylon fiber and the anti-cracking auxiliary agent for preparing the anti-cracking base paper layer 17 are 73 parts, 14 parts, 24 parts, 2.5 parts, 5.5 parts and 4 parts (by weight).
The preparation process of the anti-cracking monochromatic decorative paper body 1 specifically comprises the following steps:
s1, mixing 73 parts of wood pulp, 14 parts of cotton pulp, 24 parts of titanium dioxide, 2.5 parts of wet strength resin, 5.5 parts of nylon fiber and 4 parts of anti-cracking auxiliary agent according to parts by weight to prepare mixed slurry;
s2, performing free pulping on the mixed pulp in S1, controlling the pulping degree to be 41-45 DEG SR in a pulping mode mainly based on fiber cutting, performing pulping operation after pulping is completed, and repeatedly performing pulping and pulping operation;
s3, performing even disc grinding on the mixed slurry subjected to S2, removing slag from the mixed slurry, allowing the mixed slurry to enter a slurry flushing tank after the slag removal is completed, uniformly stirring the mixed slurry in the slurry flushing tank, and finally discharging slag from the mixed slurry through an upper-mesh pressure screen and allowing the discharged slag to flow into a slurry box;
s4, forming a closed paper sheet forming belt net by mesh cloth through a mesh cloth roller and a papermaking couch roller, enabling the mixed slurry to form full wet paper through a forming plate on the closed paper sheet forming belt net, then closing a vacuum box on the paper sheet forming belt net to perform semi-dehydration on the full wet paper to form semi-wet paper, and then enabling the semi-wet paper to perform strong dehydration through the vacuum box to form a paper blank;
s5, allowing the paper blank to enter a pressing part, respectively performing vacuum pressing and gloss pressing, and performing pre-drying after the paper blank is pressed, wherein the drying temperature of the pre-drying is between 62 and 66 ℃;
s6, after drying, carrying out spray humidification on the surface of the paper blank to enable the humidity to reach 65%, carrying out soft calendering on the paper blank after surface humidification, wherein the elastic modulus of a calendering roller is 50-100 times of that of a steel roller, obtaining anti-cracking base paper after the soft calendering is finished, and winding the anti-cracking base paper;
and S7, adhering a layer of single-color velvet on the anti-cracking base paper by using a pressing device, forming a velvet layer 15 on the surface of the anti-cracking base paper, synchronously adhering a heat-insulating layer 13 on the surface of the velvet layer 15, and adhering a waterproof layer 11 on the surface of the heat-insulating layer 13.
Example 3:
the difference from example 1 is: the wood pulp, the cotton pulp, the titanium pigment, the wet strength resin, the nylon fiber and the anti-cracking auxiliary agent for preparing the anti-cracking base paper layer 17 are respectively 78 parts, 16 parts, 28 parts, 3 parts, 6 parts and 5 parts (by weight).
The production process of the anti-cracking single-color decorative paper is characterized by comprising the following steps:
s1, mixing 78 parts of wood pulp, 16 parts of cotton pulp, 28 parts of titanium dioxide, 3 parts of wet strength resin, 6 parts of nylon fiber and 5 parts of anti-cracking auxiliary agent according to parts by weight to prepare mixed slurry;
s2, performing free pulping on the mixed pulp in S1, controlling the pulping degree to be 41-45 DEG SR in a pulping mode mainly based on fiber cutting, performing pulping operation after pulping is completed, and repeatedly performing pulping and pulping operation;
s3, performing even disc grinding on the mixed slurry subjected to S2, removing slag from the mixed slurry, allowing the mixed slurry to enter a slurry flushing tank after the slag removal is completed, uniformly stirring the mixed slurry in the slurry flushing tank, and finally discharging slag from the mixed slurry through an upper-mesh pressure screen and allowing the discharged slag to flow into a slurry box;
s4, forming a closed paper sheet forming belt net by mesh cloth through a mesh cloth roller and a papermaking couch roller, enabling the mixed slurry to form full wet paper through a forming plate on the closed paper sheet forming belt net, then closing a vacuum box on the paper sheet forming belt net to perform semi-dehydration on the full wet paper to form semi-wet paper, and then enabling the semi-wet paper to perform strong dehydration through the vacuum box to form a paper blank;
s5, allowing the paper blank to enter a pressing part, respectively performing vacuum pressing and gloss pressing, and performing pre-drying after the paper blank is pressed, wherein the drying temperature of the pre-drying is between 62 and 66 ℃;
s6, after drying, carrying out spray humidification on the surface of the paper blank to enable the humidity to reach 65%, carrying out soft calendering on the paper blank after surface humidification, wherein the elastic modulus of a calendering roller is 50-100 times of that of a steel roller, obtaining anti-cracking base paper after the soft calendering is finished, and winding the anti-cracking base paper;
and S7, adhering a layer of single-color velvet on the anti-cracking base paper by using a pressing device, forming a velvet layer 15 on the surface of the anti-cracking base paper, synchronously adhering a heat-insulating layer 13 on the surface of the velvet layer 15, and adhering a waterproof layer 11 on the surface of the heat-insulating layer 13.
Using the decorative papers obtained in example 1, example 2 and example 3, the following data were obtained from experiments:
Figure BDA0003703284390000111
the existing decorative paper needs to ensure that the inner layer is not soaked with water for more than 80 hours at most, and has a cracking phenomenon after being placed in a 50-temperature environment for 200 hours; therefore, compared with the prior art, the anti-cracking, waterproof and heat-insulating effects of the decorative paper prepared by the invention are improved.
The specific operation of S6 implemented by the stitching device is as follows:
making a strip-shaped waterproof layer 13 by using a high polymer, winding the waterproof layer 13 on a second release wheel 33, making a strip-shaped heat insulation layer 11 by using asbestos, winding the heat insulation layer 11 on a first release wheel 32, and winding the prepared anti-cracking base paper layer on a third release wheel 34; respectively enabling the heat-insulating layer 11, the waterproof layer 13 and the anti-cracking base paper layer 17 to pass through the corresponding first flattening wheel 42 and the corresponding second flattening wheel 43, and enabling the heat-insulating layer 11, the waterproof layer 13 and the anti-cracking base paper layer 17 to jointly pass through the two pressing wheels 64; starting the first servo motor 35, the glue injection machine 51, the second servo motor 63, the third servo motor and the fluff spraying machine 9; the heat-insulating layer 11, the waterproof layer 13 and the anti-cracking base paper layer 17 are released by the rotating first release wheel 32, the second release wheel 33 and the third release wheel 34, and are flattened by the first flattening wheel 42 and the second flattening wheel 43, glue is extruded by the glue injection machine 51 into the vertical guide pipe 52, the glue is coated on the lower surface of the heat-insulating layer 11, the upper surface and the lower surface of the waterproof layer 13 and the upper surface of the anti-cracking base paper layer 17 by the horizontal guide pipe 53, meanwhile, fluff is sprayed on the anti-cracking base paper layer 17 by the fluff spraying machine 9, the heat-insulating layer 11, the waterproof layer 13 and the anti-cracking base paper layer 17 are pressed together by the two pressing wheels 64, and the fluff is extruded on the glue coated on the anti-cracking base paper layer 17, so as to form the anti-cracking single-color decorative paper body 1 consisting of the waterproof layer 11, the second bonding layer 12, the heat-insulating layer 13, the second bonding layer 14, the fluff layer 15, the first bonding layer 16 and the anti-cracking base paper layer 17, the winding wheel 71 rotates to wind the anti-cracking monochromatic decorative paper body 1.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. Anti-cracking monochromatic decorative paper, which comprises an anti-cracking base paper layer (17), wherein a fluff layer (15) is arranged above the anti-cracking base paper layer (17), and the anti-cracking monochromatic decorative paper is characterized in that: a heat insulation layer (13) is arranged above the fluff layer (15), a waterproof layer (11) is arranged above the heat insulation layer (13), the anti-cracking base paper layer (17) and the fluff layer (15) are bonded together through a first bonding layer (16), the fluff layer (15) and the heat insulation layer (13) are bonded together through a second bonding layer (14), and the heat insulation layer (13) and the waterproof layer (11) are bonded together through a second bonding layer (12).
2. The anti-cracking monochromatic decorative paper as claimed in claim 1, wherein the anti-cracking base paper layer (17) is prepared by mixing 68-78 parts of wood pulp, 12-16 parts of cotton pulp, 20-28 parts of titanium dioxide, 2-3 parts of wet strength resin, 5-6 parts of nylon fiber and 3-5 parts of anti-cracking auxiliary agent; the waterproof layer (11) is made of high polymer, and the heat insulation layer (13) is made of asbestos.
3. The anti-cracking monochromatic decorative paper according to claim 2, wherein the anti-cracking base paper layer (17) is prepared from 68 parts of wood pulp, 12 parts of cotton pulp, 20 parts of titanium dioxide, 2 parts of wet strength resin, 5 parts of nylon fiber and 3 parts of anti-cracking auxiliary agent.
4. The anti-cracking monochromatic decorative paper according to claim 2, wherein the anti-cracking base paper layer (17) is prepared from 73 parts, 14 parts, 24 parts, 2.5 parts, 5.5 parts and 4 parts of wood pulp, cotton pulp, titanium dioxide, wet strength resin, nylon fiber and anti-cracking auxiliary agent.
5. The anti-cracking monochromatic decorative paper according to claim 2, wherein the anti-cracking base paper layer (17) is prepared from 78 parts, 16 parts, 28 parts, 3 parts, 6 parts and 5 parts of wood pulp, cotton pulp, titanium dioxide, wet strength resin, nylon fiber and anti-cracking auxiliary agent.
6. The production process for preparing the crack-resistant monochromatic decorative paper according to claim 1 is characterized by comprising the following steps:
s1, mixing 68-78 parts of wood pulp, 12-16 parts of cotton pulp, 20-28 parts of titanium dioxide, 2-3 parts of wet strength resin, 5-6 parts of nylon fiber and 3-5 parts of anti-cracking auxiliary agent according to parts by weight to prepare mixed pulp;
s2, performing free pulping on the mixed pulp in S1, controlling the pulping degree to be 41-45 DEG SR in a pulping mode mainly based on fiber cutting, performing pulping operation after pulping is completed, and repeatedly performing pulping and pulping operation;
s3, performing even disc grinding on the mixed slurry subjected to S2, removing slag from the mixed slurry, allowing the mixed slurry to enter a slurry flushing tank after the slag removal is completed, uniformly stirring the mixed slurry in the slurry flushing tank, and discharging slag from the mixed slurry through an upper-mesh pressure screen and then flowing into a slurry box;
s4, forming a closed paper sheet forming belt net by mesh cloth through a mesh cloth roller and a papermaking couch roller, enabling the mixed slurry to form full wet paper through a forming plate on the closed paper sheet forming belt net, then closing a vacuum box on the paper sheet forming belt net to perform semi-dehydration on the full wet paper to form semi-wet paper, and then enabling the semi-wet paper to perform strong dehydration through the vacuum box to form a paper blank;
s5, allowing the paper blank to enter a pressing part, respectively performing vacuum pressing and gloss pressing, and performing pre-drying after the paper blank is pressed, wherein the drying temperature of the pre-drying is between 62 and 66 ℃;
s6, after drying, carrying out spray humidification on the surface of the paper blank to enable the humidity to reach 65%, carrying out soft calendering on the paper blank after surface humidification, wherein the elastic modulus of a calendering roller is 50-100 times of that of a steel roller, obtaining anti-cracking base paper after the soft calendering is finished, and winding the anti-cracking base paper;
and S7, adhering a layer of single-color velvet on the anti-cracking base paper by using a pressing device, forming a velvet layer (15) on the surface of the anti-cracking base paper, synchronously adhering a heat insulation layer (13) on the surface of the velvet layer (15), and adhering a waterproof layer (11) on the surface of the heat insulation layer (13).
7. The production process of the crack-resistant monochromatic decorative paper according to claim 6, wherein the laminating equipment used in the step S7 comprises a release mechanism (3), a glue injection mechanism (5), a fluff spraying machine (9), a laminating mechanism (6) and a winding mechanism (7);
the release mechanism (3) comprises a first release wheel (32), a second release wheel (33) is arranged below the first release wheel (32), a third release wheel (34) is arranged below the second release wheel (33), two ends of the first release wheel (32), the second release wheel (33) and the third release wheel (34) are rotatably connected with the first support column (31) through bearings, one end of the third release wheel (34) is fixedly connected with a first servo motor (35), the first release wheel (32) is in transmission connection with the second release wheel (33), and the second release wheel (33) is in transmission connection with the third release wheel (34);
the glue injection mechanism (5) comprises a glue injection machine (51), a glue outlet of the glue injection machine (51) is fixedly connected with a vertical guide pipe (52), a glue outlet (55) of the vertical guide pipe (52) is fixedly connected with a transverse guide pipe (53), a glue outlet of the transverse guide pipe (53) is fixedly connected with a glue coating pipe (54), and a valve (531) is arranged on the transverse guide pipe (53);
the pressing mechanism (6) comprises two groups of pressing wheels (64), a gap is formed between the two groups of pressing wheels (64), one end of the pressing wheel (64) below the pressing mechanism is fixedly connected with a second servo motor (63), gears (62) are fixedly arranged at one ends of the two groups of pressing wheels (64), the two groups of gears (62) are meshed and connected, and two ends of the two groups of pressing wheels (64) are rotatably connected with a second supporting column (61) through bearings;
winding mechanism (7) include rolling wheel (71), rolling wheel (71) both ends all rotate through the bearing and connect third support column (73), rolling wheel (71) one end fixed connection third servo motor.
8. The production process of the crack-resistant monochromatic decorative paper according to claim 7, wherein one end of the first release wheel (32) is fixedly provided with a first belt pulley (321), the first belt pulley (321) is connected with a second belt pulley (331) through belt transmission, and the second belt pulley (331) is fixedly arranged on the second release wheel (33); second release wheel (33) one end fixed mounting has third belt pulley (332), third release wheel (34) one end fixed mounting has fourth belt pulley (341), third belt pulley (332) and fourth belt pulley (341) are through belt transmission connection.
9. The production process of the crack-proof monochromatic decorative paper according to claim 8, wherein the pressing equipment further comprises a flattening mechanism (4); flattening mechanism (4) include fourth support column (41), install the wheelset that flattens on fourth support column (41), it comprises parallel arrangement's first flattening wheel (42) and second flattening wheel (43) to flatten the wheelset, first flattening wheel (42) and second flattening wheel (43) both ends are all rotated through the bearing and are connected fourth support column (41).
10. The production process of the crack-resistant monochromatic decorative paper according to claim 9, wherein the outer wall of the bottom end of the first support column (31) is inserted with a first fixed seat (36), and the first fixed seat (36) is connected with the first support column (31) through a bolt; one end of the fourth supporting column (41) is fixedly connected with the vertical guide pipe (52), and the fluff spraying machine (9) is installed on the vertical guide pipe (52); the outer wall of the bottom end of the vertical guide pipe (52) is inserted with a second fixed seat (56), and the second fixed seat (56) is connected with the vertical guide pipe (52) through a bolt; the outer wall of the bottom end of the second supporting column (61) is inserted with a third fixed seat (65), the third fixed seat (65) is connected with the second supporting column (61) through a bolt, the outer wall of the bottom end of the third supporting column (73) is inserted with a fourth fixed seat (72), and the fourth fixed seat (72) is connected with the third supporting column (73) through a bolt; the first fixing seat (36), the second fixing seat (56), the third fixing seat (65) and the fourth fixing seat (72) are all fixedly mounted on the bottom plate (8).
CN202210737714.5A 2022-06-20 2022-06-20 Anti-cracking single-color decorative paper and production process thereof Pending CN115075059A (en)

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