CN106368045B - A kind of decorating base paper manufacture method - Google Patents

A kind of decorating base paper manufacture method Download PDF

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Publication number
CN106368045B
CN106368045B CN201610774126.3A CN201610774126A CN106368045B CN 106368045 B CN106368045 B CN 106368045B CN 201610774126 A CN201610774126 A CN 201610774126A CN 106368045 B CN106368045 B CN 106368045B
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China
Prior art keywords
slurries
parts
paper
page
base paper
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CN201610774126.3A
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CN106368045A (en
Inventor
张端湘
赵剑锋
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Winbon Technocell New Materials Co Ltd
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Zhejiang Dasheng New Materials Ltd By Share Ltd
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    • 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
    • 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
    • D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
    • D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
    • D21H15/10—Composite fibres
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/66—Salts, e.g. alums
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/18—Reinforcing agents
    • D21H21/20—Wet strength agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/28—Colorants ; Pigments or opacifying agents

Abstract

A kind of decorating base paper manufacture method, it is related to a kind of field of papermaking, decorating base paper includes first half and latter half of, described first half is described latter half of at least by being manufactured after wood pulp, cotton pulp, titanium dioxide, kaolin, wet strengthening resin mixing at least by being manufactured after wood pulp, cotton pulp, titanium dioxide, kaolin, wet strengthening resin mixing；First half and latter half of material produce decorating base paper after the steps such as mashing slagging-off starching copy paper squeezing drying press polish that feed intake.Compared with prior art, the present invention increases the intensity of whole paper, water absorption rate and toughness by mixing wood pulp and cotton pulp into slurry, it not only ensure that decorating base paper is transferring expansion rate when impregnating, also ensure for a long time using rear indeformable non-discolouring, after being combined for a long time with plank still firmly, while other performances of decor paper are not had an impact.

Description

A kind of decorating base paper manufacture method
Technical field
The present invention relates to a kind of field of papermaking, more particularly, to a kind of manufacture of decorating base paper.
Background technology
Upstream manufacturer could form facing after the decorating base paper manufactured needs downstream manufacturers to be printed and impregnated, In dipping process, because moisture and melamine are filled wherein, decorating base paper transverse width can be caused to have different degrees of Change.If lateral expansion occurs in decorating base paper, rate is excessive, may result in printing body paper draw above case meeting distortion, chromatography not Accurate, phenomena such as pressing plate is asynchronous.Tool statistics, the decorating base paper lateral expansion rate of China's production are generally more than 2%, now shadow Sound has arrived picture quality, is all monopolized for this high-end decorating base paper by overseas enterprise, swollen in order to solve the transverse direction of decorating base paper Swollen rate problems of too, it is necessary to the raw material of decorating base paper are optimized, allow decorating base paper that there is more preferable water absorption rate and change Form quotient.
The content of the invention
The present invention is directed to deficiency of the prior art, there is provided a kind of decorating base paper manufacture method, wood is mixed into slurry Starch with cotton pulp to increase the intensity of whole paper, toughness and improve water absorption rate, pass through the performance improvement paper of cotton fiber in cotton pulp The elasticity and shrinkage factor opened, allow the washing lotion expansion rate of decorating base paper to control within 1%, ensure that decorating base paper soaks in transfer Lateral expansion degree is small during stain.Moreover it is rear indeformable to also ensure that long-time uses for this decorating base paper, with sheet material for a long time It is still firm with reference to after.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：A kind of decorating base paper manufacture Method, including following steps：Step A）：In terms of mass parts, by 55 parts ~ 65 parts of wood pulp, 10 parts ~ 15 parts of cotton pulp, 30 Part ~ 35 parts of titanium dioxide, 10 parts ~ 20 parts of kaolin, 4 parts ~ 5 parts wet strengthening resins are mixed into slurry A；Step B）：With mass parts Meter, by 50 parts ~ 60 parts of cotton pulp, 20 parts ~ 25 parts of wood pulp, 20 parts ~ 25 parts of titanium dioxide, 5 parts ~ 15 parts of kaolin, 8 parts ~ 12 parts of wet strengthening resins are mixed into slurry B；Step C）：Slurry A is put into low concentration pulper and carries out pulping, while past low dense pulping Injected clear water in machine, by percentage to the quality, slurry A form slurries A of the accounting 10% ~ 16% in the low concentration pulper, Then fast beating is carried out to slurries A, beating degree is controlled in 35 ° of SR to 40 ° of SR, defibrination operation is carried out after the completion of mashing, instead Mashing and defibrination operation are carried out again；Step D）：Slurry B is put into low concentration pulper and carries out pulping, while past low concentration pulper Middle injected clear water, by percentage to the quality, slurry B form slurries B of the accounting 10% ~ 16% in the low concentration pulper, so Fast beating is carried out to slurries B afterwards, beating degree is controlled in 35 ° of SR to 40 ° of SR, defibrination operation is carried out after the completion of mashing, repeatedly Carry out mashing and defibrination operation；Step E）：Neat and well spaced mill is carried out to slurries A, three sections of slagging-off are then carried out to slurries A, have been removed the gred Enter into relief slurries A and rush stock tank, slurries A concentration is matched again rushing in stock tank, by percentage to the quality, proportioning Slurries A concentration afterwards is between 4% ~ 6%, and then slurries A after pressurized screen deslagging of surfing the Net by entering head box；Step F）：To slurry Liquid B carries out neat and well spaced mill, and three sections of slagging-off are then carried out to slurries B, allows slurries B to enter after the completion of slagging-off and rushes stock tank, is rushing stock tank Inside slurries B concentration is matched again, by percentage to the quality, the slurries B concentration after proportioning is between 4% ~ 6%, then Slurries B after pressurized screen deslagging of surfing the Net by entering head box；Step G）：Screen cloth forms closure paper by screen cloth roller, papermaking couch roll Page shaping band net, head box have a sprinkling slurries B first grout outlet and sprinkling slurries A second grout outlet, during online, first grout outlet To closure sheet forming band net sprinkling slurries B, slurries B is allowed to form full l Water Paper page by closing the online profiled sheeting of sheet forming band B, then close the online vacuum tank of sheet forming band and semi-moist page B, subsequent second pulp are formed to the dehydration of full l Water Paper page B progress half Mouth sprays slurries A to semi-moist page B, and slurries A is not sprayed onto directly on semi-moist page B, to prevent that semi-moist page B from being broken up, But be sprayed above semi-moist page B, it is covered in by gravity by slurries A on semi-moist page B and forms mixing l Water Paper page, Ran Houzai Allow mixing l Water Paper page to carry out strong dehydration by vacuum tank and form ground paper；Step H）：Allow ground paper to enter press section, carry out vacuum respectively Squeezing and glazing press；Step I）：Dried before being carried out after the completion of ground paper squeezing, the drying temperature of preceding drying 55 DEG C to 60 DEG C it Between；Step J）：Press polish processing is carried out after the completion of front baking is dry to ground paper, press polish is dried after being carried out after having handled to ground paper, rear drying Drying temperature between 55 DEG C to 60 DEG C；Step K）：Spraying humidification is carried out after drying afterwards to ground paper surface, surface is right after humidifying Ground paper carries out soft calendaring, and soft calendaring obtains decorating base paper after terminating；Step L）：Decorating base paper is batched and examined, to not Qualified products are melted down, and are put into highly concentrated pulping pond, qualified products are packed.
In above-mentioned technical proposal, it is preferred that in described step A, pigment is additionally added, in terms of mass parts, face in slurry A Material has 10 parts ~ 15 parts；In described step B, pigment is additionally added, in terms of mass parts, pigment there are 10 parts ~ 15 parts in slurry B.
In above-mentioned technical proposal, it is preferred that by percentage to the quality, past after the completion of slurries A mashing, defibrination in step C 2% ~ 3% wet strengthening resin is added in slurries A；In step D, by percentage to the quality, toward slurry after the completion of slurries B mashing, defibrination 2% ~ 3% wet strengthening resin is added in liquid B.
In above-mentioned technical proposal, it is preferred that in step E, by percentage to the quality, added in the neat and well spaced mills of slurries A 0.1% ~ 0.3% aluminum sulfate；In step F, by percentage to the quality, 0.1% ~ 0.3% sulphur is added in the neat and well spaced mills of slurries B Sour aluminium.
In above-mentioned technical proposal, it is preferred that in step E, by percentage to the quality, slurries A is arranged by pressurized screen of surfing the Net 0.05% ~ 0.15% bentonite is added during slag；In step F, by percentage to the quality, slurries B passes through pressurized screen deslagging of surfing the Net When add 0.05% ~ 0.15% bentonite.
In above-mentioned technical proposal, it is preferred that in step G, second grout outlet sprinkling slurries A when and semi-moist page B between Highly it is less than 10mm.
In above-mentioned technical proposal, it is preferred that in step G, slurries A, which is covered on semi-moist page B, forms mixing l Water Paper page Afterwards, the l Water Paper page shaping sheet metal forming online by closing sheet forming band is mixed, is then dehydrated by force by vacuum tank, then so The Wiper blade online by closing sheet forming band afterwards, strong dehydration is subsequently carried out again by vacuum tank and forms ground paper.
A kind of decorating base paper of above method manufacture, including first half and latter half of, described first half at least by wood pulp, Manufactured after cotton pulp, titanium dioxide, kaolin, wet strengthening resin mixing, wherein the ratio of wood pulp and cotton pulp is 11 ~ 13:2~3；After described Half portion at least by being manufactured after wood pulp, cotton pulp, titanium dioxide, kaolin, wet strengthening resin mixing, wherein the ratio of wood pulp and cotton pulp 4 ~ 5:10~12；Described first half and latter half of it is integrally formed when surfing the Net copy paper.
The present invention is that one kind of decorating base paper manufacturing technology is improved, and the material of existing most of decorating base paper is wood pulp, Basic procedure is again by upper by wood pulp with titanium dioxide, kaolin and other auxiliary agents by mixing, be beaten, after refining step Net copy paper, decorating base paper is formed after squeezing drying.The present invention is then that slurries are divided into two parts A, B two compared with prior art Point, slurries A main components are wood pulps and a small amount of cotton pulp, and slurries B main components are cotton pulps and a small amount of wood pulp.Slurries A is with showing Have that the manufacture slurries of decorating base paper are similar, but add part cotton pulp, cotton pulp can improve the chance hygral expansion of paper after shaping Rate and toughness.Slurries B is different from existing slurries, and its main component is cotton pulp, when such paper is molded, slurries B forming paper Deformation rate very little, hygroexpansivity also very little is met, toughness itself is big, and elasticity is good, also with good water absorption rate.The manufacture of the present invention Flow is also very different with prior art, and known decorating base paper has thicker thickness for comparing writing paper, typically The thickness of decorating base paper is between 0.5 millimeter to 1 millimeter.In online, slurries B is first allowed to surf the Net, the thickness of net forming on slurries B The half of only former decorating base paper, when slurries B is by being molded sheet metal forming, be dehydrated by vacuum tank by slurries B half formed it is semi-moist Page B, semi-moist page B has the blank of paper, but its main or suspension, internal fiber have begun to wind, but winds Rate it is low.Then to semi-moist page B uppermost sprays slurries A, slurries A is allowed uniformly to be dropped on semi-moist page B by gravity, letter Single saying is exactly to allow slurries A to be covered on semi-moist page B to form mixing l Water Paper page, after now slurries A and semi-moist page B shapings Thickness is only the thickness of decorating base paper.Then allow vacuum tank to be dehydrated mixing l Water Paper page by force, now mix l Water Paper page upper strata Water must can just be taken off by mixing l Water Paper page lower floor.The slurry in slurries A is to lower stress and half l Water Paper in this process Page B mixing, because both main materials are all that cotton pulp, wood pulp, and cotton pulp have stronger winding performance, and semi-moist page B is also Be not molded completely, both perfect contact can form one in dehydration, if once strong dehydration can also not enough carry out it is more Secondary strong dehydration.Decorating base paper after shaping is segmented into forming latter half of, first half by the slurries A first halfs formed and slurries B Portion's main component is wood pulp, and part herein is also printed in the transfer in downstream, and latter half of main component is cotton pulp, and it is whole to primarily serve enhancing The toughness of paper is opened, and improves the water absorbing properties of entire paper.Thus whole decorating base paper has good homogeneous absorbency, and Less chance hygroexpansivity, while also there is extraordinary fastness, the transfer for downstream will not also impact with printing, right In the absorption also unusual stable and uniform of melamine.
Compared with prior art, the present invention by wood pulp and cotton pulp are mixed into slurry come increase the intensity of whole paper, Water absorption rate and toughness, it not only ensure that decorating base paper is transferring expansion rate when impregnating, moreover it is possible to ensure for a long time using rear constant Shape is non-discolouring, after being combined for a long time with plank still firmly, while other performances of decor paper is not had an impact.
Embodiment
The present invention is described in further detail with reference to embodiment.
Embodiment 1：A kind of decorating base paper manufacture method, including following steps：Step A）：In terms of mass parts, by 55 Part ~ 65 parts of wood pulp, 10 parts ~ 15 parts of cotton pulp, 30 parts ~ 35 parts of titanium dioxide, 10 parts ~ 20 parts of kaolin, 4 parts ~ 5 parts wet strong Resin is mixed into slurry A.The ratio of broad-leaved slurry and needle slurry is 45 ~ 55 wherein in wood pulp：Between 55 ~ 45, cotton pulp is cotton of short staple Manufactured slurry.In general, slurry A include 60 parts wood pulp, 10 parts of cotton pulp, 30 parts of titanium dioxide, 15 parts of kaolinite Soil, 4 parts of wet strengthening resins.Pigment can also be added into slurry A in terms of mass parts if necessary to paper colouring, pigment in slurry A There are 10 parts ~ 15 parts, preferably 8 parts.This pigment is simply painted to decorating base paper, primarily serves the work for covering and reducing transparency Downstream printing and dyeing are also needed to during with, actual use.Step B）：In terms of mass parts, by 50 parts ~ 60 parts of cotton pulp, 20 parts ~ 25 parts of wood Slurry, 20 parts ~ 25 parts of titanium dioxide, 5 parts ~ 15 parts of kaolin, 8 parts ~ 12 parts wet strengthening resins are mixed into slurry B.Wherein in wood pulp Broad-leaved is starched and the ratio of needle slurry is 45 ~ 55：Between 55 ~ 45, cotton pulp is slurry made of cotton of short staple.In general, in slurry B Wood pulp including 20 parts, 55 parts of cotton pulp, 20 parts of titanium dioxide, 10 parts of kaolin, 8 parts of wet strengthening resins.If necessary to paper Colouring can also add pigment into slurry B in terms of mass parts, and pigment has 10 parts ~ 15 parts, preferably 8 parts in slurry B.This pigment is only It is that decorating base paper is painted, primarily serves the effect for covering and reducing transparency, downstream printing and dyeing is also needed to during actual use.
Step C）：Slurry A is put into low concentration pulper and carries out pulping, while toward injected clear water in low concentration pulper, with Mass percent meter, slurry A form accounting in 10% ~ 16% slurries A, preferable slurries A concentration in the low concentration pulper For 12%.Then fast beating is carried out to slurries A, beating degree control is in 35 ° of SR to 40 ° of SR, progress defibrination behaviour after the completion of mashing Make, mashing and defibrination operation is repeated, be both beaten the circulation of-defibrination-backflow-mashing-defibrination.It can also lead in pulping process High-concentration pulper is crossed in proportion slurries A is mixed into after wood pulp paper and rag paper pulping, until fiber is uniformly dispersed in slurries A.With Mass percent meter, slurries A mashing, after the completion of defibrination toward the wet strengthening resin that 2% ~ 3% is added in slurries A.Step D）：By slurry B, which is put into low concentration pulper, carries out pulping, while toward injected clear water in low concentration pulper, by percentage to the quality, slurry B is in institute State and slurries B of the accounting 10% ~ 16% is formed in low concentration pulper, preferable slurries B concentration is 12%.Then slurries B is swum It is beaten from shape, beating degree is controlled in 35 ° of SR to 40 ° of SR, and defibrination operation is carried out after the completion of mashing, and mashing and defibrination behaviour is repeated Make, be both beaten the circulation of-defibrination-backflow-mashing-defibrination, until fiber is uniformly dispersed in slurries A.By percentage to the quality, slurries Toward the wet strengthening resin of addition 2% ~ 3% in slurries B after the completion of B mashing, defibrination.
Step E）：Neat and well spaced mill is carried out to slurries A, by percentage to the quality, add 0.1% in the neat and well spaced mills of slurries A ~ 0.3% aluminum sulfate.Then three sections of slagging-off are carried out to slurries A, allows slurries A to enter after the completion of slagging-off and rushes stock tank, are rushing weight in stock tank Newly slurries A concentration is matched, by percentage to the quality, the slurries A concentration after proportioning is between 4% ~ 6%, and preferable 6%. Then slurries A after pressurized screen deslagging of surfing the Net by entering head box, and by percentage to the quality, slurries A is arranged by pressurized screen of surfing the Net 0.05% ~ 0.15% bentonite is added during slag.Step F）：Neat and well spaced mill is carried out to slurries B, by percentage to the quality, in slurries B 0.1% ~ 0.3% aluminum sulfate is added during neat and well spaced mill.Then three sections of slagging-off are carried out to slurries B, allow slurries B to enter after the completion of slagging-off Stock tank is rushed, slurries B concentration is matched again rushing in stock tank, by percentage to the quality, the slurries B concentration after proportioning exists Between 4% ~ 6%, preferable 6%.Then slurries B after pressurized screen deslagging of surfing the Net by entering head box, by percentage to the quality, slurry Liquid B by surf the Net pressurized screen deslagging when add 0.05% ~ 0.15% bentonite.
Step G）：Screen cloth forms closure sheet forming band net by screen cloth roller, papermaking couch roll, and head box has sprinkling slurries B first grout outlet and sprinkling slurries A second grout outlet.Compared with prior art, the present invention uses secondary network access in online, Slurries B and slurries A is allowed to surf the Net successively, the full l Water Paper page for then allowing slurries B slurries A to be formed is combined into the full l Water Paper of an entirety Page.The decorating base paper produced by this manufacture has two kinds of discrepant two parts of composition different qualities so that dress Decorations body paper obtains more better performances in the case where not reducing prior performance.Because the thickness of general decorating base paper exists Between 0.5 millimeter to 1 millimeter, during online, first grout outlet is to net forming on closure sheet forming band net sprinkling slurries B, slurries B Thickness only has the half of former decorating base paper, then allows slurries B to form full l Water Paper by closing the online profiled sheeting of sheet forming band Page B, subsequently close the online vacuum tank of sheet forming band and semi-moist page B, half l Water Paper are formed to the dehydration of full l Water Paper page B progress half Page B has the blank of paper, but its main or suspension, and internal fiber has begun to wind, but twine rate is low.Subsequent second Grout outlet sprays slurries A to semi-moist page B, and slurries A is not sprayed onto directly on semi-moist page B, to prevent that semi-moist page B from being rushed Dissipate, but be sprayed above semi-moist page B, be covered in by gravity by slurries A on semi-moist page B and form mixing l Water Paper page, this When slurries A and semi-moist page B shaping after thickness be only the thickness of decorating base paper.In general during second grout outlet sprinkling slurries A Height between semi-moist page B is less than 10mm.Baffle plate can also be set in closure sheet forming band on the net if necessary, allow slurry Liquid A is uniformly dropped onto on semi-moist page B naturally after impacting on baffle plate.It is wet that slurries A is covered in formation mixing on semi-moist page B After page, the mixing l Water Paper page shaping sheet metal forming online by closing sheet forming band, then it is dehydrated by force by vacuum tank, The subsequently Wiper blade online by closing sheet forming band, strong dehydration is subsequently carried out again by vacuum tank and forms paper Base.In strong dehydration, the water on mixing l Water Paper page upper strata must can just be taken off by mixing l Water Paper page lower floor, starch in this process Slurry in liquid A mixes to lower stress with semi-moist page B because both main materials are all cotton pulp, wood pulp, and cotton pulp have compared with Strong winding performance, and semi-moist page B is not molded also completely, both perfect contact can form one in dehydration, if Once strong dehydration can also not enough carry out repeatedly strong dehydration.Decorating base paper after shaping is segmented into the first half formed by slurries A Portion and slurries B are formed latter half of, and first half main component is wood pulp, and part herein, latter half of master are also printed in the transfer in downstream It is cotton pulp to want composition, primarily serves reduction and meets hygroexpansivity, and improves the water absorbing properties of entire paper.
Step H）：Online terminates relief ground paper and enters press section, carries out suction press and glazing press respectively.Step G）： Dried before being carried out after the completion of ground paper squeezing, the drying temperature of preceding drying is between 55 DEG C to 60 DEG C.Step I）：After the completion of front baking is dry Press polish processing is carried out to ground paper, press polish is dried after being carried out after having handled to ground paper, and the drying temperature dried afterwards is at 55 DEG C to 60 DEG C Between.Step J）：Spraying humidification is carried out after drying afterwards to ground paper surface, soft calendaring, soft calendaring are carried out to ground paper after the humidification of surface Decorating base paper is obtained after end.Step K）：Decorating base paper is batched and examined, substandard product is melted down, is put into Into highly concentrated pulping pond, qualified products are packed.
Compared to existing decorating base paper, decorating base paper of the invention is divided into first half and latter half of, including first half and after Half portion, described first half at least by wood pulp, cotton pulp, titanium dioxide, kaolin, wet strengthening resin mixing after manufacture, wherein wood pulp with The ratio of cotton pulp is 11 ~ 13:2~3；It is described it is latter half of at least by wood pulp, cotton pulp, titanium dioxide, kaolin, wet strengthening resin mixing after Manufacture, wherein the ratio of wood pulp and cotton pulp is 4 ~ 5:10~12.First half is identical with latter half of main component but proportioning is different. First half main component is wood pulp, and part, latter half of main component are cotton pulps to the hectographic printing in downstream herein, primarily serve enhancing The toughness of entire paper, and improve the water absorbing properties of entire paper.Thus whole decorating base paper has good homogeneous absorbency, with And less chance hygroexpansivity, while also there is extraordinary fastness, the transfer for downstream will not also impact with printing, Absorption for melamine also unusual stable and uniform.

Claims (8)

  1. A kind of 1. decorating base paper manufacture method, it is characterized in that including following steps：Step A）：In terms of mass parts, by 55 parts ~ 65 parts of wood pulp, 10 parts ~ 15 parts of cotton pulp, 30 parts ~ 35 parts of titanium dioxide, 10 parts ~ 20 parts of kaolin, 4 parts ~ 5 parts wet strong trees Fat is mixed into slurry A；Step B）：In terms of mass parts, by 50 parts ~ 60 parts of cotton pulp, 20 parts ~ 25 parts of wood pulp, 20 parts ~ 25 parts Titanium dioxide, 5 parts ~ 15 parts of kaolin, 8 parts ~ 12 parts wet strengthening resins are mixed into slurry B；Step C）：Slurry A is put into low dense broken Pulping is carried out in pulp grinder, while toward injected clear water in low concentration pulper, by percentage to the quality, slurry A is in the low dense pulping Slurries A of the accounting 10% ~ 16% is formed in machine, fast beating is then carried out to slurries A, beating degree is controlled at 35 ° SR to 40 ° SR, defibrination operation is carried out after the completion of mashing, mashing and defibrination operation is repeated；Step D）：Slurry B is put into low concentration pulper Middle carry out pulping, while toward injected clear water in low concentration pulper, by percentage to the quality, slurry B is in the low concentration pulper Slurries B of the accounting 10% ~ 16% is formed, fast beating is then carried out to slurries B, beating degree is controlled in 35 ° of SR to 40 ° of SR, Defibrination operation is carried out after the completion of mashing, mashing and defibrination operation is repeated；Step E）：Neat and well spaced mill is carried out to slurries A, then Three sections of slagging-off are carried out to slurries A, allows slurries A to enter after the completion of slagging-off and rushes stock tank, rushing in stock tank again to enter slurries A concentration Row proportioning, by percentage to the quality, the slurries A concentration after proportioning is between 4% ~ 6%, and then slurries A is arranged by pressurized screen of surfing the Net Enter head box after slag；Step F）：Neat and well spaced mill is carried out to slurries B, three sections of slagging-off are then carried out to slurries B, after the completion of slagging-off Allow slurries B to enter and rush stock tank, slurries B concentration is matched again rushing in stock tank, by percentage to the quality, after proportioning Slurries B concentration is between 4% ~ 6%, and then slurries B after pressurized screen deslagging of surfing the Net by entering head box；Step G）：Screen cloth passes through Screen cloth roller, papermaking couch roll form closure sheet forming band net, and head box has sprinkling slurries B first grout outlet and sprinkling slurries A Second grout outlet, during online, first grout outlet allows slurries B by closing sheet forming to closure sheet forming band net sprinkling slurries B Full l Water Paper page B is formed with online profiled sheeting, the online vacuum tank of sheet forming band is then closed and full l Water Paper page B is carried out partly to take off Water forms semi-moist page B, and subsequent second grout outlet sprays slurries A to semi-moist page B, and slurries A is not sprayed onto semi-moist page B directly On, to prevent that semi-moist page B from being broken up, but it is sprayed above semi-moist page B, half l Water Paper is covered in by slurries A by gravity Mixing l Water Paper page is formed on page B, then allows mixing l Water Paper page to carry out strong dehydration by vacuum tank again and forms ground paper；Step H）：Allow Ground paper enters press section, carries out suction press and glazing press respectively；Step I）：Dried before being carried out after the completion of ground paper squeezing, it is preceding The drying temperature of drying is between 55 DEG C to 60 DEG C；Step J）：Press polish processing, press polish processing are carried out after the completion of front baking is dry to ground paper Dried after being carried out after complete to ground paper, the drying temperature dried afterwards is between 55 DEG C to 60 DEG C；Step K）：To ground paper table after drying afterwards Face carries out spraying humidification, carries out soft calendaring to ground paper after the humidification of surface, soft calendaring obtains decorating base paper after terminating；Step L）：It is right Decorating base paper is batched and examined, and substandard product is melted down, and is put into highly concentrated pulping pond, and qualified products are carried out Packing.
  2. 2. a kind of decorating base paper manufacture method according to claim 1, it is characterized in that, in described step A, it is additionally added Pigment, in terms of mass parts, pigment has 10 parts ~ 15 parts in slurry A；In described step B, pigment is additionally added, in terms of mass parts, Pigment has 10 parts ~ 15 parts in slurry B.
  3. 3. a kind of decorating base paper manufacture method according to claim 1, it is characterized in that, in step C, with mass percent Meter, slurries A is beaten, adds 2% ~ 3% wet strengthening resin after the completion of defibrination in past slurries A；In step D, by percentage to the quality, Toward the wet strengthening resin of addition 2% ~ 3% in slurries B after the completion of slurries B mashing, defibrination.
  4. 4. a kind of decorating base paper manufacture method according to claim 1, it is characterized in that, in step E, with mass percent Meter, 0.1% ~ 0.3% aluminum sulfate is added in the neat and well spaced mills of slurries A；It is by percentage to the quality, even in slurries B in step F 0.1% ~ 0.3% aluminum sulfate is added during whole mill.
  5. 5. a kind of decorating base paper manufacture method according to claim 1, it is characterized in that, in step E, with mass percent Meter, slurries A by surf the Net pressurized screen deslagging when add 0.05% ~ 0.15% bentonite；In step F, by percentage to the quality, Slurries B by surf the Net pressurized screen deslagging when add 0.05% ~ 0.15% bentonite.
  6. 6. a kind of decorating base paper manufacture method according to claim 1, it is characterized in that, in step G, the sprinkling of second grout outlet Height during slurries A between semi-moist page B is less than 10mm.
  7. 7. a kind of decorating base paper manufacture method according to claim 1, it is characterized in that, in step G, slurries A is covered in After mixing l Water Paper page is formed on semi-moist page B, the mixing l Water Paper page shaping sheet metal forming online by closing sheet forming band, then It is dehydrated by force by vacuum tank, subsequently the Wiper blade online by closing sheet forming band, is subsequently entered by vacuum tank Strong dehydration forms ground paper to row again.
  8. 8. a kind of decorating base paper of the manufacture method of decorating base paper according to claim 1 manufacture, it is characterized in that, including first half With latter half of, described first half at least by being manufactured after wood pulp, cotton pulp, titanium dioxide, kaolin, wet strengthening resin mixing, wherein wood The ratio of slurry and cotton pulp is 11 ~ 13:2~3；It is described latter half of at least to be mixed by wood pulp, cotton pulp, titanium dioxide, kaolin, wet strengthening resin Manufactured after conjunction, wherein the ratio of wood pulp and cotton pulp is 4 ~ 5:10~12；Described first half and the latter half of one when surfing the Net copy paper Shaping.
CN201610774126.3A 2016-08-31 2016-08-31 A kind of decorating base paper manufacture method Active CN106368045B (en)

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CN107541998A (en) * 2017-08-26 2018-01-05 山东秦世集团有限公司 A kind of environmentally-friendly decorative paper and preparation method thereof
CN107503224A (en) * 2017-08-26 2017-12-22 山东秦世集团有限公司 A kind of printing paper and preparation method thereof
CN108130815B (en) * 2017-12-22 2020-11-20 淄博欧木特种纸业有限公司 Facing base paper for outdoor high-strength board and preparation method thereof
CN108999030A (en) * 2018-07-11 2018-12-14 张培磊 A kind of high tenacity decorating base paper and preparation method thereof
CN108930196A (en) * 2018-08-13 2018-12-04 枣庄市天龙纸业有限公司 A kind of fire protection flame retarding decorating base paper and its preparation process

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CN104358181A (en) * 2014-09-17 2015-02-18 淄博欧木特种纸业有限公司 Method for raising color fastness and brilliance of plain-colored decorative base paper
CN104863017A (en) * 2015-04-22 2015-08-26 浙江大盛纸业有限公司 Wet strength resin addition method in decorative base paper production

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CN101173489A (en) * 2006-11-03 2008-05-07 山东群星纸业有限公司 Titanium dioxide adding method in plain shade decorating base paper production
CN104358181A (en) * 2014-09-17 2015-02-18 淄博欧木特种纸业有限公司 Method for raising color fastness and brilliance of plain-colored decorative base paper
CN104863017A (en) * 2015-04-22 2015-08-26 浙江大盛纸业有限公司 Wet strength resin addition method in decorative base paper production

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Patentee after: Warburt Sinochem New Materials Co., Ltd.

Address before: 324406 Jinxing Avenue 82, Longyou Industrial Park, Quzhou City, Zhejiang Province

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