CN104695277A - Decorative plate finishing paper and production method thereof - Google Patents
Decorative plate finishing paper and production method thereof Download PDFInfo
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- CN104695277A CN104695277A CN201510106095.XA CN201510106095A CN104695277A CN 104695277 A CN104695277 A CN 104695277A CN 201510106095 A CN201510106095 A CN 201510106095A CN 104695277 A CN104695277 A CN 104695277A
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Abstract
The invention aims to replace wood veneer and technical wood by using a piece of novel decorative plate finishing paper for artificial plate veneering. A piece of base paper which is 150-350g/m<2> is adopted, the upper layer of the base paper is printed with simulated natural and precious trees which are infrequent day by day, other artistic patterns can be also innovated and printed, and a vivid effect can be achieved after lamination. Due to adoption of chemical fiber in the decorative plate finishing base paper, the paper strength can be improved, and the paper is soft and tough. The decorative plate finishing paper is mainly applicable to veneering of artificial plates such as fiber boards and chipboards, and can replace veneering materials such as wood veneer and technical wood, and the finishing paper can have flame retardancy after being coated with a flame retardant adhesive.
Description
Technical field
The invention belongs to wood-based plate veneer speciality paper technical field, be specifically related to a kind of Novel decorative board finishing paper and production method thereof.
Background technology
Domestic traditional wood-based plate dalle finishing material has veneer, Recombinant Wood, dipping decorating base paper, polyene hydroxyl (Losec match) film etc., veneer is also known as wooden skin, a kind of slim facing of wood sheet or surface lining with rare tree characteristic, wooden skin kind for furniture surfacing common are Manchurian ash, toothed oak wood, wooden, the elm of Chinese catalpa, Birch, and comparatively precious has cherry, Black walnut, red oak and more high-grade such as Bai Yingmu, teak, sour branch wood, rosewood, narra etc.Recombinant Wood is also artificial veneer, the slicing veneer made after composing flitch by machine direction again after copying the tone of natural timber or rare tree to dye by the rotary cut venner of general species.Dipping decorating base paper is a kind of industrial special paper using processed through special process for main raw material with wood pulp and titanium dioxide, for the armour layer paper of the wood-based plate such as fiberboard, shaving board, surface layer paper using and bottom paper using after printing, melmac impregnation.Polyene hydroxyl (Losec match) film is Plastic Dicoration base material.Above-mentioned dalle finishing material veneer and Recombinant Wood need to use a large amount of timber, and Recombinant Wood, dipping decorating base paper need to use a large amount of melamine resin, adhesive and additive, colouring agent (comprising dyestuff and pigment) etc. in process of production.Polyene hydroxyl (Losec match) film belongs to plastics, cannot natural degradation.
Summary of the invention
The present invention seeks to substitute wooden skin and Recombinant Wood for wood-based plate veneer with a kind of Novel decorative board finishing paper, grammes per square metre is (150-350) g/m
2, the facing paper printing decorative pattern can be sticked on upper strata and overlay again, also the seeds of the day by day rare natural preciousness of top layer Straight simulation printing, can also create other art pattern of printing, overlay rear effect true to nature.
Dalle finishing paper in the present invention adds chemical fibre, and main purpose, for increasing paper strength, makes paper soft and flexible.
Use after product of the present invention and printed decoration paper compound or overlay use after directly printing, be mainly used in the wood-based plate such as fiberboard, shaving board veneer, the surface linings such as alternative wooden skin, Recombinant Wood, finishing paper of the present invention can also scribble fire-retardant glue, possesses flame-retarding characteristic.
Application claims protects a kind of dalle finishing paper, it is characterized in that, described dalle finishing paper is produced by the raw material of following weight percentage:
Wood pulp 65%-90%
Chemical fibre 5%-25%
Auxiliary agent 5%-10%
Described dalle finishing paper increases coating process and leaching soaking technology in Dryer Section of Paper Machine, and the paper weight ratio that becomes that wherein coating glue used and the liquid-solid gross mass of impregnated resin account for described base paper is respectively:
Coating glue 5%-15%
Dipping glue 10%-15%.
Aforesaid dalle finishing paper, wherein:
Wood pulp is long fiber softwood pulp and staple fibre hardwood pulp, and both weight percents are long fiber softwood pulp 30%-60%, staple fibre hardwood pulp 40%-70%;
Described chemical fibre is one or more in terylene, polyamide fibre, acrylic fibers, polyvinyl chloride fibre, polyvinyl, and fineness is 1-10D, and length is 5-20mm;
Described auxiliary agent weight percent accounting is: polyacrylamide 1%-4%, polyamideepichlorohydrin 4%-6%;
In described coating glue, each composition is counted in accounting for oven dry weight part ratio: titanium dioxide 5%-10%, calcium powder 10%-25%, polyvinyl alcohol 15%-30%, dispersant 3%, water repellent agent 2%, latex 30%-65%;
In described dipping glue, each composition is counted by accounting for weight ratio: melamine modified urea-formaldehyde glue 25%-40%, modified glycerol 1%, modified starch 5%, polyvinyl alcohol 5%, bleeding agent JF-C2%, polybutadiene 57%-62%;
The one-tenth paper index of described Novel decorative board facing base paper is as follows: quantitative 150-350g/m
2, thickness 0.8-2.5mm, tensile strength is greater than 5kn/m, and tearability is longitudinally greater than 3500mn, and be laterally greater than 4000mn, bursting strength is greater than 500kpa;
Described base paper also needs coating modified flame-retardant liquid, and modified flame-retardant liquid is for adding acrylate glue Ruzhong and stir and obtaining by fire retardant and modifier.
The preparation method of aforementioned decorative sheet material finishing paper, is characterized in that, comprise the steps:
A, chemical fibre is put into high speed hydraulic agitator disperse, its step be by chemical fibre, concentration be first 15% sodium hydroxide solution soak 20 minutes by weight 1:1.5 ratio, then elimination moisture, puts into clear water, chemical fibre and clear water weight ratio are 1:200, and mixing time is 20 minutes;
B, by long fiber wood pulp, staple fibre wood pulp size degradation in hydrabrusher in proportion, concentration is 4%-6%, and size degradation adds the chemical fibre after dispersion after 30 minutes, and then stirs 20-30 minute;
C, wood pulp, chemical fibre add by following weight ratio, and are adding the auxiliary agent filled out in pond and add following weight ratio, and after mixing, suction is destroyed forebay and added water concentration is transferred to 0.8%-1.2%;
Wood pulp 65%-90%
Chemical fibre 5%-25%
Auxiliary agent 5%-10%
D, for making chemical fibre be uniformly dispersed in sizing process, use special large pressure pulp distributor by many flexible plastic hoses cloth slurry modes to the defeated slurry of head box, this cloth slurry mode eliminates device pulse vibration, slurry forms branched symmetric(al) flow by the mode of shunting in head box, and the slurry stream of slurry on vertical banner direction is consistent;
E, employing long mesh paper making machine are manufactured paper with pulp;
F, through forming web drainage, squeezing, after the first dry section cylinder dried, carry out on-line coater, coating weight is 5%-15%;
After G, the second dry section oven drying, carry out soft calendaring, then carry out dipping in machine, pickup is 10%-15%;
H, enter the 3rd dry section oven drying after make satisfactory Novel decorative board finishing paper.
The preparation method of aforesaid dalle finishing paper, is characterized in that it also can being comprise the steps:
A, chemical fibre is put into high speed hydraulic agitator disperse, its step be by chemical fibre, concentration be first 15% sodium hydroxide solution soak 20 minutes by weight 1:1.5 ratio, then elimination moisture, puts into clear water, chemical fibre and clear water weight ratio are 1:200, and mixing time is 20 minutes;
B, by long fiber wood pulp, staple fibre wood pulp size degradation in hydrabrusher in proportion, concentration is 4%-6%, and size degradation adds the chemical fibre after dispersion after 30 minutes, and then stirs 20-30 minute;
C, wood pulp, chemical fibre add by following weight ratio, and are adding the auxiliary agent filled out in pond and add following weight ratio, and after mixing, suction is destroyed forebay and added water concentration is transferred to 0.8%-1.2%;
Wood pulp 65%-90%
Chemical fibre 5%-25%
Auxiliary agent 5%-10%
D, for making chemical fibre be uniformly dispersed in sizing process, use special large pressure pulp distributor by many flexible plastic hoses cloth slurry modes to the defeated slurry of head box, this cloth slurry mode eliminates device pulse vibration, slurry forms branched symmetric(al) flow by the mode of shunting in head box, and the slurry stream of slurry on vertical banner direction is consistent;
E, employing long mesh paper making machine are manufactured paper with pulp;
F, through forming web drainage, squeezing, after the first dry section drying, carry out on-line coater, coating weight is 5%-15%;
After G, the second dry section drying, carry out dipping in machine, pickup is 10%-15%;
H, by fire retardant and modifier in mass ratio mixing and stirring obtain modified flame-retardant liquid, modified flame-retardant liquid is stirred together with acrylic latex, obtains fire-retardant glue application solution;
I, the dried semi-finished product of step G base paper second dipping and gluing liquid on applying glue coating machine, dipping temperature 10-25 DEG C;
J, then at 120 ~ 180 DEG C by hot air circulating system to the dry gel of the glue application solution of permeating in base paper semi-finished product;
H, enter the 3rd dry section drying after make satisfactory Novel decorative board finishing paper.First dry section is drying cylinder, and the two or three dry section is that heated-air circulation oven is dry.
The on-line coater that the present invention adopts in F step, and at applying glue coating hands-operation in step I, the roll coating model of Automatic Control can also be adopted, be configured with electric control system controls roller coating process, to the parameter of its input body paper thickness, and downforce size during roller coat, to control the final thickness of additional coatings between 0.01-0.1mm;
Described roller coat also can for base paper semi-finished product upper and lower surface roller coat respectively, it can be vertically disposed with two paint rollers respectively, start roll coater, by upper and lower paint roller gap adjustment to 1-3mm less of semifinished material thickness, utilize paint roller effect that semifinished material is advanced with roller coat direction, and in advance process, the fire-retardant glue application solution even roller in paint roller is coated in surface of semi-finished;
Described fire retardant can be phosphorus flame retardant, nitrogenated flame retardant or phosphorus-nitrogenated flame retardant, is specifically as follows trihydroxy methyl phosphorous oxide (THPO) or diphenyl phosphoester (BDP);
Described modifier can be that dimethyl tin oxide is or/and dibutyl tin dichloride;
Fire retardant can also use bisphenol-A-bis-(diphenyl phosphoester) i.e. BDP to be the non-halogen organic phosphorus flame retardant of a kind of environment-friendly type, is applicable to thermoplastic, is specially adapted to the flame-retardant modified of PC/ABS blend.
Trihydroxy methyl phosphorous oxide (THPO) and diphenyl phosphoester (BDP) and modifier dimethyl tin oxide, dibutyl tin dichloride is modified has stable, excellent fire resistance.Fire retardant and modifier mixing and stirring are obtained modified flame-retardant liquid by the present invention, modified flame-retardant liquid are added immediately acrylate glue Ruzhong and to stir acquisition glue application solution.The use of modifier makes fire retardant stablize and remains on higher activity.Latex plays the effect of parcel to modified flame-retardant liquid, keeps the active permeation of modified flame-retardant liquid to enter in the fiber hole of wallpaper base paper.The fire-retardant latex high with existing price is compared with fire retardant chemistry fiber, fire retardant used in the present invention and modifier cheap, arrange in pairs or groups with not fire retardant chemistry fiber and can reach difficult fuel efficiency fruit.Adopt method of the present invention, can by the cost of fire-retardant facing paper substrate paper.
The beneficial effect that the present invention has compared with the prior art is:
1, the present invention adds chemical fibre in the slurry, makes paper be provided with thickness, the pliability of wooden skin, and intensity strengthens, and is conducive to follow-up making.
2, due to the planarizing characteristics of paper, eliminate the most of operation in wooden skin and Recombinant Wood production process, as wooden skin splicing, finishing, not only save a large amount of timber but also saved human cost.
3, because wooden skin process is that family workshop type is produced mostly, the rinsing in process, printing and dyeing, the link such as gluing create a large amount of pollutions, and the present invention is with paper generation wood, and large-scale modern paper machine is produced, and pollution focuses on.
4, the present invention adopts impregnation technology in on-line coater, machine to produce, titanium dioxide is applied to paper surface, in paper pulp, titanium dioxide is saved compared to adding to fill out, printing effect is good, printing is overlayed on the wood-based plates such as fiberboard, shaving board, density board by hot-press equipment after wood grain impregnation, the effect of wooden skin and Recombinant Wood thick china can be reached.
The present invention is by adopting above production method; reach the effect of alternative wooden skin; decorated by simulated grain; the felling of famous and precious timber can be reduced in a large number; protect famous and precious seeds, saved timber, and price is relatively low; to realizing resources conservation, environmental protection has important practical significance, and greatly can promote the fast development of downstream Wood-based Panel Production industry.
Detailed description of the invention:
Embodiment 1,
Fibre furnish: wood pulp is totally 80% percentage by weight, long fiber softwood pulp 32%, staple fibre hardwood pulp 48%, functional fibre is that terylene accounts for 15%, and fibre fineness is 2D, and length is 5mm, adds auxiliary agent 5%, wherein polyacrylamide 1%, polyamideepichlorohydrin 4%.
On-line coater: coating fluid concentration 6%, polyvinyl alcohol 20%, dispersant 3%, water repellent agent 2%, titanium dioxide 5%, calcium powder 10%, latex 60%.Coating amount used accounts for the gross weight 5% of aforementioned three kinds of main raw materials.
Dipping in machine: impregnation formulation, melamine modified urea-formaldehyde glue 30%, modified glycerol 1%, modified starch 5%, polyvinyl alcohol 5%, bleeding agent JF-C2%, polybutadiene 57%.Pickup 10%.
Paper basis weight 150g/m
2, thickness 0.9mm, tensile strength 5.2kn/m, the longitudinal 3800mn of tearability, horizontal 4600mn, bursting strength 520kpa.
Described base paper also needs coating modified flame-retardant liquid, and modified flame-retardant liquid is for adding acrylate glue Ruzhong and stir and obtaining by fire retardant and modifier.Described fire retardant is for being specifically as follows trihydroxy methyl phosphorous oxide (THPO).
Preparation method, is characterized in that, comprises the steps:
In step B, concentration is 4%, then stirring is 20 minutes;
In step C, concentration is transferred to 0.8%;
In step F, coating weight is 5%;
In step G, pickup is 10%;
Hot air circulation is passed through in step J, at 130 DEG C.
Embodiment 2,
Fibre furnish: wood pulp is totally 78% percentage by weight, long fiber softwood pulp 38%, staple fibre hardwood pulp 40%, terylene 7%, polyamide fibre 9%, two kinds of fibre finenesses are 5D, and length is 10mm, adding auxiliary agent solid content is 6%, wherein polyacrylamide 2%, polyamideepichlorohydrin 4%.
On-line coater: coating fluid concentration 10%, polyvinyl alcohol 25%, dispersant 3%, water repellent agent 2%, titanium dioxide 10%, calcium powder 20%, latex 40%.Coating amount used accounts for the gross weight 8% of aforementioned three kinds of main raw materials.
Dipping in machine: impregnation formulation, melamine modified urea-formaldehyde glue 25%, modified glycerol 1%, modified starch 5%, polyvinyl alcohol 5%, bleeding agent JF-C2%, polybutadiene 62%.Pickup 8%.
Paper basis weight 320g/m
2, thickness 2.4mm, tensile strength 6.5kn/m, the longitudinal 5200mn of tearability, horizontal 5700mn, bursting strength 530kpa.
Described base paper also needs coating modified flame-retardant liquid, and modified flame-retardant liquid is for adding acrylate glue Ruzhong and stir and obtaining by fire retardant and modifier.Described fire retardant is for being specifically as follows PBDE.
Preparation method, is characterized in that, comprises the steps:
In step B, concentration is 4.5%, then stirring is 23 minutes;
In step C, concentration is transferred to 0.9%;
In step F, coating weight is 7%;
In step G, pickup is 12%;
Hot air circulation is passed through in step J, at 150 DEG C.
Embodiment 3:
Fibre furnish: wood pulp is totally 78% percentage by weight, long fiber softwood pulp 30%, staple fibre hardwood pulp 48%, functional fibre be terylene account for 9% and polyvinyl account for 5%, two kinds of fibre finenesses are 3D, and length is 5mm, add auxiliary agent 8%, wherein polyacrylamide 3%, polyamideepichlorohydrin 5%.
On-line coater: coating fluid concentration 8%, polyvinyl alcohol 20%, dispersant 3%, water repellent agent 2%, titanium dioxide 5%, calcium powder 10%, latex 60%.Coating amount used accounts for the gross weight 7% of aforementioned three kinds of main raw materials.
Dipping in machine: impregnation formulation, melamine modified urea-formaldehyde glue 35%, modified glycerol 1%, modified starch 5%, polyvinyl alcohol 5%, bleeding agent JF-C2%, polybutadiene 52%.Pickup 12%.
Paper basis weight 220g/m
2, thickness 1.3mm, tensile strength 6kn/m, the longitudinal 5000mn of tearability, horizontal 5200mn, bursting strength 510kpa.
Described base paper also needs coating modified flame-retardant liquid, and modified flame-retardant liquid is for adding acrylate glue Ruzhong and stir and obtaining by fire retardant and modifier.Described fire retardant is for being specifically as follows tetrabromobisphenol A.
Preparation method, is characterized in that, comprises the steps:
In step B, concentration is 5%, then stirring is 25 minutes;
In step C, concentration is transferred to 1%;
In step F, coating weight is 10%;
In step G, pickup is 13%;
Hot air circulation is passed through in step J, at 160 DEG C.
Embodiment 4
Fibre furnish: wood pulp is totally 70% percentage by weight, long fiber softwood pulp 32%, staple fibre hardwood pulp 38%, functional fibre is that polyvinyl accounts for 21%, and fibre fineness is 2D, and length is 4mm, adds auxiliary agent 9%, wherein polyacrylamide 3%, polyamideepichlorohydrin 6%.
On-line coater: coating fluid concentration 9%, polyvinyl alcohol 25%, dispersant 3%, water repellent agent 2%, titanium dioxide 10%, calcium powder 15%, latex 45%.Coating amount used accounts for the gross weight 8% of aforementioned three kinds of main raw materials.
Dipping in machine: impregnation formulation, melamine modified urea-formaldehyde glue 27%, modified glycerol 1%, modified starch 5%, polyvinyl alcohol 5%, bleeding agent JF-C2%, polybutadiene 60%.Pickup 8%.
Paper basis weight 300g/m
2, thickness 2.2mm, tensile strength 6.1kn/m, the longitudinal 5300mn of tearability, horizontal 5400mn, bursting strength 520kpa.
Described base paper also needs coating modified flame-retardant liquid, and modified flame-retardant liquid is for adding acrylate glue Ruzhong and stir and obtaining by fire retardant and modifier.Described fire retardant is for being specifically as follows antimonous oxide.
Preparation method, is characterized in that, comprises the steps:
In step B, concentration is 6%, then stirring is 28 minutes;
In step C, concentration is transferred to 1.1%;
In step F, coating weight is 13%;
In step G, pickup is 15%;
Hot air circulation is passed through in step J, at 180 DEG C.
The present invention, about the method for testing becoming paper character, specifically have employed the statement of following standard:
Producing of sample is undertaken by the regulation of GB/T 450; Quantitatively undertaken by the regulation of GB/T 451.2; Thickness is undertaken by the regulation of GB/T 451.3; Machine direction tensile strength is undertaken by the regulation of GB/T 12914; Bursting strength is undertaken by the regulation of GB/T 454; Tearability is undertaken by the regulation of GB/T 455.1.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.Constituent involved in the present invention and preparation method all can adjust accordingly according to embodiment, but can not exceed this invention protection domain.
Claims (4)
1. a dalle finishing paper, is characterized in that, described dalle finishing paper is produced by the raw material of following weight percentage:
Wood pulp 65%-90%
Chemical fibre 5%-25%
Auxiliary agent 5%-10%
Described dalle finishing paper increases coating process and leaching soaking technology in Dryer Section of Paper Machine, and the paper weight ratio that becomes that wherein coating glue used and the liquid-solid gross mass of impregnated resin account for described base paper is respectively:
Coating glue 5%-15%
Dipping glue 10%-15%.
2. dalle facing base paper as claimed in claim 1, wherein:
Wood pulp is long fiber softwood pulp and staple fibre hardwood pulp, and both weight percents are long fiber softwood pulp 30%-60%, staple fibre hardwood pulp 40%-70%;
Described chemical fibre is one or more in terylene, polyamide fibre, acrylic fibers, polyvinyl chloride fibre, polyvinyl, and fineness is 1-10D, and length is 5-20mm;
Described auxiliary agent weight percent accounting is: polyacrylamide 1%-4%, polyamideepichlorohydrin 4%-6%;
In described coating glue, each composition is counted in accounting for oven dry weight part ratio: titanium dioxide 5%-10%, calcium powder 15%-35%, polyvinyl alcohol 15%-30%, dispersant 3%, water repellent agent 2%, latex 30%-65%;
In described dipping glue, each composition is counted by accounting for weight ratio: melamine modified urea-formaldehyde glue 25%-40%, modified glycerol 1%, modified starch 5%, polyvinyl alcohol 5%, bleeding agent JF-C2%, polybutadiene 57%-62%;
The one-tenth paper index of described Novel decorative board facing base paper is as follows: quantitative 90-200g/m
2, thickness 0.8-2.5mm, tensile strength is greater than 5kn/m, and tearability is longitudinally greater than 3500mn, and be laterally greater than 4000mn, bursting strength is greater than 500kpa;
Described base paper also needs coating modified flame-retardant liquid, and modified flame-retardant liquid is for adding acrylate glue Ruzhong and stir and obtaining by fire retardant and modifier.
3. a preparation method for dalle finishing paper, is characterized in that, comprises the steps:
A, chemical fibre is put into high speed hydraulic agitator disperse, its step be by chemical fibre, concentration be first 15% sodium hydroxide solution soak 20 minutes by weight 1:1.5 ratio, then elimination moisture, puts into clear water, chemical fibre and clear water weight ratio are 1:200, and mixing time is 20 minutes;
B, by long fiber wood pulp, staple fibre wood pulp size degradation in hydrabrusher in proportion, concentration is 4%-6%, and size degradation adds the chemical fibre after dispersion after 30 minutes, and then stirs 20-30 minute;
C, wood pulp, chemical fibre add by following weight ratio, and are adding the auxiliary agent filled out in pond and add following weight ratio, and after mixing, suction is destroyed forebay and added water concentration is transferred to 0.8%-1.2%;
Wood pulp 65%-90%
Chemical fibre 5%-25%
Auxiliary agent 5%-10%
D, for making chemical fibre be uniformly dispersed in sizing process, use special large pressure pulp distributor by many flexible plastic hoses cloth slurry modes to the defeated slurry of head box, this cloth slurry mode eliminates device pulse vibration, slurry forms branched symmetric(al) flow by the mode of shunting in head box, and the slurry stream of slurry on vertical banner direction is consistent;
E, employing long mesh paper making machine are manufactured paper with pulp;
F, through forming web drainage, squeezing, after the first dry section drying, carry out on-line coater, coating weight is 5%-15%;
After G, the second dry section drying, carry out dipping in machine, pickup is 10%-15%;
H, enter the 3rd dry section drying after make satisfactory Novel decorative board facing base paper.
4. a preparation method for dalle finishing paper as claimed in claim 2, is characterized in that, comprise the steps:
A, chemical fibre is put into high speed hydraulic agitator disperse, its step be by chemical fibre, concentration be first 15% sodium hydroxide solution soak 20 minutes by weight 1:1.5 ratio, then elimination moisture, puts into clear water, chemical fibre and clear water weight ratio are 1:200, and mixing time is 20 minutes;
B, by long fiber wood pulp, staple fibre wood pulp size degradation in hydrabrusher in proportion, concentration is 4%-6%, and size degradation adds the chemical fibre after dispersion after 30 minutes, and then stirs 20-30 minute;
C, wood pulp, chemical fibre add by following weight ratio, and are adding the auxiliary agent filled out in pond and add following weight ratio, and after mixing, suction is destroyed forebay and added water concentration is transferred to 0.8%-1.2%;
Wood pulp 65%-90%
Chemical fibre 5%-25%
Auxiliary agent 5%-10%
D, for making chemical fibre be uniformly dispersed in sizing process, use special large pressure pulp distributor by many flexible plastic hoses cloth slurry modes to the defeated slurry of head box, this cloth slurry mode eliminates device pulse vibration, slurry forms branched symmetric(al) flow by the mode of shunting in head box, and the slurry stream of slurry on vertical banner direction is consistent;
E, employing long mesh paper making machine are manufactured paper with pulp;
F, through forming web drainage, squeezing, after the first dry section drying, carry out on-line coater, coating weight is 5%-15%;
After G, the second dry section drying, carry out dipping in machine, pickup is 10%-15%;
H, by fire retardant and modifier in mass ratio mixing and stirring obtain modified flame-retardant liquid, modified flame-retardant liquid is stirred together with acrylic latex, obtains fire-retardant glue application solution;
I, by the dried semi-finished product of step G base paper second dipping and gluing liquid on applying glue coating machine, dip time 15 ~ 30 minutes, dipping temperature 10-25 DEG C;
J, then at 120 ~ 180 DEG C by hot air circulating system to the dry gel of the glue application solution of permeating in base paper semi-finished product;
H, enter the 3rd dry section drying after make satisfactory Novel decorative board facing base paper, the first dry section is drying cylinder, and the two or three dry section is that heated-air circulation oven is dry.
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Denomination of invention: The invention relates to a decorative plate facing paper and a production method thereof Effective date of registration: 20210923 Granted publication date: 20160831 Pledgee: Industrial and Commercial Bank of China Limited Tancheng sub branch Pledgor: SHANDONG LUNAN NEW MATERIALS Co.,Ltd. Registration number: Y2021980009765 |
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