Paper mulberry paper and processing method thereof

Abstract

The invention discloses a method for processing paper mulberry paper, comprising: washing, wringing and picking paper mulberry peels that have been boiled and bleached to obtain paper mulberry peel dry pulp; mixing the paper mulberry peel dry pulp, warm water at 60-65°C and a surfactant, beating the mixture, standing the mixture, and washing the mixture with clean water to obtain a raw material pulp; naturally controlling the water content of the raw material pulp and adding it into a papermaking tank filled with water, adding a dispersant solution and stirring the mixture to obtain a papermaking material pulp; manually making paper from the papermaking material pulp to obtain wet paper; the papermaking comprises three passes of papermaking, wherein the papermaking material pulp is picked up and directly thrown away in the first pass of papermaking; the papermaking material pulp is picked up and shaken forward and backward 25-30 times in the second pass of papermaking, and the papermaking material pulp is picked up and shaken forward and backward 20-25 times, shaken left and right 15-20 times, and shaken forward and backward 15-20 times in the third pass of papermaking, and the remaining papermaking material pulp is thrown away; the obtained wet paper is neatly loaded into a paper press for paper pressing and drying to obtain the paper mulberry paper.

Description

Technical Field

[0001] The invention relates to the technical field of papermaking, and in particular to mulberry paper and a processing method thereof. Background Art

[0002] Paper mulberry bast fiber is much finer than hemp, and has high strength and good toughness. As a special long fiber raw material in my country, it is mainly used to produce various high-end special papers. With the development of the times, paper mulberry is gradually widely used in the manufacture of newsprint, gift wrapping paper, rice paper and other paper types. With the continuous development of society, the requirements for paper are getting higher and higher. However, due to the limitations of raw materials, processing conditions, market and other factors, the existing paper mulberry paper is not very good for calligraphy and painting. Summary of the invention

[0003] Based on the technical problems existing in the background technology, the present invention proposes a mulberry paper and a processing method thereof. The processing method is simple in process and low in cost. The obtained mulberry paper is flexible, smooth, high in strength, good in ink absorbency and durability, and can meet the use requirements of calligraphy and painting paper.

[0004] The present invention provides a method for processing mulberry paper, comprising the following steps:

[0005] S1, washing, wringing and picking the mulberry peels that have been steamed and bleached to obtain mulberry peel dry pulp;

[0006] S2, mixing paper mulberry dry pulp, warm water at 60-65° C., and a surfactant, beating the mixture, letting it stand, and washing it with clean water to obtain a raw material pulp;

[0007] S3, after naturally controlling the water content of the raw material slurry, add it into a papermaking tank filled with water, add a dispersant solution and stir evenly to obtain a papermaking slurry;

[0008] S4, manually making paper from papermaking slurry to obtain wet paper; wherein the papermaking includes three passes of papermaking, in which the papermaking slurry is picked up and directly thrown away in the first pass of papermaking; in the second pass of papermaking, the papermaking slurry is picked up and shaken back and forth 25-30 times; in the third pass of papermaking, the papermaking slurry is picked up and shaken back and forth 20-25 times, left and right 15-20 times, and then shaken back and forth 15-20 times, and the remaining papermaking slurry is thrown away;

[0009] S5, neatly loading the obtained wet paper into a paper press, pressing the paper, and drying the paper to obtain the mulberry paper.

[0010] Preferably, in S1, the cleaning is carried out in a water pool with a size of 120cm×80cm×70cm. The inner and outer surfaces of the water pool are tiled, and a wooden grid is provided at the bottom. A gauze is laid on the wooden grid. When the water is drained after cleaning, the paper mulberry fibers are blocked on the gauze. One pool of water is used to clean 25-35kg of paper mulberry.

[0011] Preferably, in S2, the beating time is 30-50 minutes, the standing time is 20-45 minutes, and the cleaning time is 30-80 minutes. During the beating process, the rotation speed of the beating equipment is 80-90r / min, and during the cleaning process, the rotation speed of the equipment is 100-110r / min.

[0012] Preferably, the beating time is 40 minutes, the standing time is 30 minutes, and the cleaning time is 60 minutes.

[0013] Preferably, in S2, the weight of the surfactant is 8-15wt% of the weight of the paper mulberry peel dry pulp, and 20-35kg of the paper mulberry peel dry pulp is mixed with each cubic meter of warm water.

[0014] Preferably, the weight of the surfactant is 10wt% of the weight of the paper mulberry peel dry pulp, and 25kg of paper mulberry peel dry pulp is mixed with each cubic meter of warm water.

[0015] Preferably, the surfactant is surfactant OP-9.

[0016] Preferably, in S2, warm water at 60-65°C is injected into the pulping equipment, dry paper mulberry pulp is added, a surfactant is added, the pulping is continued for 40 minutes, the pulp is allowed to stand for 30 minutes, and the pulp is washed with clean water for 60 minutes to obtain a raw material pulp.

[0017] Preferably, in S3, the concentration of the dispersant solution is 0.3-0.4 kg / m 3 ; The weight of the dispersant solution is 100-110 times the weight of the paper mulberry dry pulp in S2.

[0018] Preferably, the concentration of the dispersant solution is 0.375 kg / m 3 ; The weight of the dispersant solution is 105 times the weight of the paper mulberry dry pulp in S2.

[0019] Preferably, in S4, the papermaking slurry is thrown away within 2 seconds after being picked up in the first pass of papermaking.

[0020] Preferably, in S5, the obtained wet paper is placed until the next day and then neatly loaded into a paper press, and a large plate is used to press and squeeze out water for 40-80 minutes, and then a cylinder hydraulic device is used to automatically press for 12-20 minutes.

[0021] Preferably, the large plate is pressed and squeezed for 60 minutes, and then automatically pressed for 15 minutes by a cylinder hydraulic device.

[0022] Preferably, in S5, after drying, inspection and packaging are also included; the inspection process includes holding each piece of paper against the light to check whether there are foreign objects and yellow stems, whether the four edges are neat, whether there are bumps and wrinkles, and the weight of each piece of paper is allowed to deviate by 1g; the packaging process includes packing every 100 pieces of paper into a plastic bag, putting a product label in each bag, and packing every 10 bags of paper into a box, and packing them flat.

[0023] The invention also provides a mulberry paper which is processed by the mulberry paper processing method.

[0024] Preferably, in the process of injecting warm water at 60-65° C. into the pulping device, the volume of the injected water is two-thirds of the volume of the pulping device.

[0025] Preferably, in S4, it further includes placing a thread cover paper, that is, placing a thread on the previously copied wet paper, and then placing the later copied paper.

[0026] Preferably, in S2, the cleaning is performed while pulping in a pulping device; the pulping device used has both a water inlet and a drain, and during the cleaning process, clean water is added to the pulping device while pulping and cleaning is performed, while an equal amount of cleaned water is discharged.

[0027] The papermaking in the present invention is handmade papermaking; during the papermaking process, when shaking, the "front and back" and "left and right" are relative to the papermaker, and the "front and back" refers to the front and back direction of the papermaker, and the "left and right" refers to the left and right direction of the papermaker.

[0028] The described skin picking refers to picking out the yellow stems, debris, crystals and false skin on the paper mulberry bark.

[0029] In the processing method of mulberry paper described in the present invention, a specific surfactant is added during the pulping process, and the pulping and papermaking processes are controlled, so that the obtained mulberry paper is oil-free and the fiber toughness is stronger, the paper is pure and tough, the color is white and smooth, the structure is uniform, the tensile strength is strong, the water absorption performance is good, it is not rotten or moth-eaten, the writing is fluent, it is suitable for writing, painting and creation, the color retention is strong, it is suitable for writing, painting, decoration and mounting, it is not stained, it absorbs ink and does not fade, it has a wide range of uses and is of high value. DETAILED DESCRIPTION

[0030] The technical solution of the present invention is described in detail below through specific embodiments.

[0031] Example 1

[0032] A method for processing mulberry paper comprises the following steps:

[0033] S1, washing, wringing and picking the mulberry peels that have been steamed and bleached to obtain mulberry peel dry pulp;

[0034] S2, mixing paper mulberry dry pulp, 60°C warm water, and a surfactant, beating the mixture, letting it stand, and washing it with clean water to obtain a raw material pulp;

[0035] S3, after naturally controlling the water content of the raw material slurry, add it into a papermaking tank filled with water, add a dispersant solution and stir evenly to obtain a papermaking slurry;

[0036] S4, manually making paper from papermaking slurry to obtain wet paper; wherein the papermaking includes three passes, in which the papermaking slurry is picked up and then directly thrown away in the first pass; in the second pass, the papermaking slurry is picked up and then shaken back and forth 25 times; in the third pass, the papermaking slurry is picked up and then shaken back and forth 25 times, left and right 15 times, and then shaken back and forth 20 times, and the remaining papermaking slurry is thrown away;

[0037] S5, neatly loading the obtained wet paper into a paper press, pressing the paper, and drying the paper to obtain the mulberry paper.

[0038] Example 2

[0039] A method for processing mulberry paper comprises the following steps:

[0040] S1, washing, wringing and picking the mulberry peels that have been steamed and bleached to obtain mulberry peel dry pulp;

[0041] S2, after mixing paper mulberry peel dry pulp, 65°C warm water and surfactant, continuously beating for 50 minutes, standing for 20 minutes, and washing with clean water for 40 minutes to obtain raw material pulp; wherein, during the beating process, the rotation speed of the beating equipment is 80r / min, and during the washing process, the rotation speed of the equipment is 110r / min; the weight of the surfactant is 15wt% of the weight of the paper mulberry peel dry pulp, and 20kg of paper mulberry peel dry pulp is mixed with each cubic meter of 65°C warm water;

[0042] S3, after the raw material slurry is naturally dehydrated, it is added into a papermaking tank filled with water, and a dispersant solution is added and stirred evenly to obtain a papermaking slurry; wherein the concentration of the dispersant solution is 0.3kg / m 3 ; The weight of the dispersant solution is 110 times the weight of the paper mulberry dry pulp in S2;

[0043] S4, manually making paper from papermaking slurry to obtain wet paper; wherein the papermaking includes three passes, in which the papermaking slurry is picked up and directly thrown away in the first pass; in the second pass, the papermaking slurry is picked up and shaken back and forth 30 times; in the third pass, the papermaking slurry is picked up and shaken back and forth 20 times, left and right 20 times, and then back and forth 15 times, and the remaining papermaking slurry is thrown away;

[0044] S5, placing the obtained wet paper until the next day and then neatly loading it into a paper press for paper pressing and drying to obtain the paper mulberry paper.

[0045] Example 3

[0046] A method for processing mulberry paper comprises the following steps:

[0047] S1, washing, wringing and picking the mulberry peels that have been steamed and bleached to obtain dry mulberry peel pulp; wherein the washing is carried out in a pool of water with a size of 120cm×80cm×70cm, with tiles on the inner and outer surfaces of the pool, a wooden grid at the bottom, and a gauze on the wooden grid, and when the water is drained after washing, the mulberry peel fibers are blocked on the gauze; one pool of water is used to wash 25kg of mulberry peels;

[0048] S2, after mixing paper mulberry peel dry pulp, 62°C warm water and surfactant, continuously beating for 50 minutes, standing for 45 minutes, and washing with clean water for 80 minutes to obtain raw material pulp; wherein, during the beating process, the rotation speed of the beating equipment is 90r / min, and during the washing process, the rotation speed of the equipment is 100r / min; the weight of the surfactant is 8wt% of the weight of paper mulberry peel dry pulp, and 35kg paper mulberry peel dry pulp is mixed with each cubic meter of warm water; the surfactant is surfactant OP-9;

[0049] S3, adding the raw material slurry into the raw material tank, adding it into the papermaking tank filled with water after natural water control, adding the dispersant solution and stirring evenly to obtain the papermaking slurry; wherein the concentration of the dispersant solution is 0.4kg / m 3 ; The weight of the dispersant solution is 100 times the weight of the paper mulberry dry pulp in S2;

[0050] S4, manually making paper from papermaking slurry to obtain wet paper; wherein the papermaking includes three passes, in which the papermaking slurry is picked up and thrown away within 2 seconds in the first pass; in the second pass, the papermaking slurry is picked up and shaken back and forth 26 times; in the third pass, the papermaking slurry is picked up and shaken back and forth 20 times, left and right 18 times, and back and forth 17 times, and the remaining papermaking slurry is thrown away;

[0051] S5. Place the obtained wet paper until the next day and then neatly load it into the paper press, press the top with a large plate to squeeze out water for 40 minutes, then use a cylinder hydraulic device to automatically press for 20 minutes, dry, inspect and package to obtain the mulberry paper; the inspection process includes visually inspecting each piece of paper against the light to check whether there are foreign objects and yellow stems, whether the four edges are neat, whether there are bumps and wrinkles, and the weight of each piece of paper is allowed to deviate by 1g; the packaging process includes packing 100 pieces of paper into a plastic bag, putting a product label in each bag, and packing 10 bags of paper into a box, flat packing.

[0052] Example 4

[0053] A method for processing mulberry paper comprises the following steps:

[0054] S1, washing, wringing and picking the mulberry peels that have been steamed and bleached to obtain dry mulberry peel pulp; wherein the washing is carried out in a pool of 120cm×80cm×70cm in size, with tiles on the inner and outer surfaces of the pool, a wooden grid at the bottom, and a gauze on the wooden grid, and when the water is drained after washing, the mulberry peel fibers are blocked on the gauze; one pool of water is used to wash 35kg of mulberry peels;

[0055] S2, after mixing paper mulberry peel dry pulp, 63°C warm water and surfactant, continuously beating for 45 minutes, standing for 28 minutes, washing with clean water for 30 minutes to obtain raw material pulp; wherein, during the beating process, the rotation speed of the beating equipment is 85r / min, and during the washing process, the rotation speed of the equipment is 105r / min; the weight of the surfactant is 12wt% of the weight of paper mulberry peel dry pulp, and 28kg paper mulberry peel dry pulp is mixed with each cubic meter of warm water; the surfactant is surfactant OP-9;

[0056] S3, adding the raw material slurry into the raw material tank, adding it into the papermaking tank filled with water after natural water control, adding the dispersant solution and stirring evenly to obtain the papermaking slurry; wherein the concentration of the dispersant solution is 0.32kg / m 3 ; The weight of the dispersant solution is 103 times the weight of the paper mulberry dry pulp in S2;

[0057] S4, manually making paper from papermaking slurry to obtain wet paper; wherein the papermaking includes three passes, in which the papermaking slurry is picked up and thrown away within 2 seconds in the first pass; in the second pass, the papermaking slurry is picked up and shaken back and forth 25 times; in the third pass, the papermaking slurry is picked up and shaken back and forth 25 times, left and right 18 times, and back and forth 18 times, and the remaining papermaking slurry is thrown away;

[0058] S5. The obtained wet paper is placed until the next day and then neatly loaded into a paper press. A large plate is used to press and squeeze out water for 80 minutes. Then, a cylinder hydraulic device is used to automatically press for 12 minutes. After drying, the mulberry paper is obtained.

[0059] Example 5

[0060] A method for processing mulberry paper comprises the following steps:

[0061] S1, washing, wringing and picking the mulberry peels that have been steamed and bleached to obtain dry mulberry peel pulp; wherein the washing is carried out in a pool of 120cm×80cm×70cm in size, with tiles on the inner and outer surfaces of the pool, a wooden grid at the bottom, and a gauze on the wooden grid, and when the water is drained after washing, the mulberry peel fibers are blocked on the gauze; one pool of water is used to wash 30kg of mulberry peels;

[0062] S2, after mixing paper mulberry peel dry pulp, 61°C warm water and surfactant, continuously beating for 38 minutes, standing for 34 minutes, and washing with clean water for 55 minutes to obtain raw material pulp; wherein, during the beating process, the rotation speed of the beating equipment is 84r / min, and during the washing process, the rotation speed of the equipment is 108r / min; the weight of the surfactant is 11wt% of the weight of paper mulberry peel dry pulp, and 24kg paper mulberry peel dry pulp is mixed with each cubic meter of warm water; the surfactant is surfactant OP-9;

[0063] S3, adding the raw material slurry into the raw material tank, adding it into the papermaking tank filled with water after natural water control, adding the dispersant solution and stirring evenly to obtain the papermaking slurry; wherein the concentration of the dispersant solution is 0.38kg / m 3 ; The weight of the dispersant solution is 102 times the weight of the paper mulberry dry pulp in S2;

[0064] S4, manually making paper from papermaking slurry to obtain wet paper; wherein the papermaking includes three passes, in which the papermaking slurry is picked up and thrown away within 2 seconds in the first pass; in the second pass, the papermaking slurry is picked up and shaken back and forth 25 times; in the third pass, the papermaking slurry is picked up and shaken back and forth 25 times, left and right 15 times, and then back and forth 20 times, and the remaining papermaking slurry is thrown away;

[0065] S5. The obtained wet paper is placed until the next day and then neatly loaded into a paper press. A large plate is used to press and squeeze out water for 45 minutes. Then, a cylinder hydraulic device is used to automatically press for 15 minutes. After drying, the mulberry paper is obtained.

[0066] The invention also provides a mulberry paper which is processed by the mulberry paper processing method.

[0067] Example 6

[0068] A method for processing mulberry paper comprises the following steps:

[0069] S1, washing, wringing and picking the mulberry peels that have been steamed and bleached to obtain dry mulberry peel pulp; wherein the washing is carried out in a pool of 120cm×80cm×70cm in size, with tiles on the inner and outer surfaces of the pool, a wooden grid at the bottom, and a gauze on the wooden grid, and when the water is drained after washing, the mulberry peel fibers are blocked on the gauze; one pool of water is used to wash 30kg of mulberry peels;

[0070] S2, injecting 63°C warm water into the pulping equipment, adding paper mulberry peel dry pulp, adding surfactant, continuously beating for 40 minutes, standing for 30 minutes, and washing with clean water for 60 minutes to obtain raw material pulp; wherein, during the pulping process, the speed of the pulping equipment is 85r / min, and during the washing process, the speed of the equipment is 105r / min; the weight of the surfactant is 10wt% of the weight of the paper mulberry peel dry pulp, and 25kg of paper mulberry peel dry pulp is mixed with each cubic meter of warm water; the surfactant is surfactant OP-9;

[0071] S3, adding the raw material slurry into the raw material tank, adding it into the papermaking tank filled with water after natural water control, adding the dispersant solution and stirring evenly to obtain the papermaking slurry; wherein the concentration of the dispersant solution is 0.375kg / m 3 ; The weight of the dispersant solution is 105 times the weight of the paper mulberry dry pulp in S2;

[0072] S4, manually making paper from papermaking slurry to obtain wet paper; wherein the papermaking includes three passes, in which the papermaking slurry is picked up and thrown away within 2 seconds in the first pass; in the second pass, the papermaking slurry is picked up and shaken back and forth 28 times; in the third pass, the papermaking slurry is picked up and shaken back and forth 20 times, left and right 20 times, and then back and forth 15 times, and the remaining papermaking slurry is thrown away;

[0073] S5. The next day, the wet paper is neatly loaded into a paper press, a large plate is used to press and squeeze out water for 60 minutes, and then the paper is automatically pressed for 15 minutes using a cylinder hydraulic device, dried, inspected and packaged; the inspection process includes visually inspecting each sheet of paper against the light to check whether there are foreign objects and yellow stems, whether the four edges are neat, whether there are bumps and wrinkles, and the weight of each sheet of paper is allowed to deviate by 1g; the packaging process includes packing 100 sheets of paper into a plastic bag, putting a product label in each bag, and packing 10 bags of paper into a box, flat packing.

[0074] The invention also provides a mulberry paper which is processed by the mulberry paper processing method.

[0075] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A method for processing mulberry paper, characterized in that: The following steps are involved: S1, washing, wringing and picking the mulberry peels that have been steamed and bleached to obtain mulberry peel dry pulp; S2, after mixing paper mulberry peel dry pulp, 60-65 ℃ warm water, and surfactant, beating, standing, and washing with clean water to obtain raw material pulp, the beating time is 30-50 minutes, the standing time is 20-45 minutes, and the washing time is 30-80 minutes. During the beating process, the rotation speed of the beating equipment is 80-90r / min, and during the washing process, the rotation speed of the equipment is 100-110r / min. The weight of the surfactant is 8-15wt% of the weight of the paper mulberry peel dry pulp, and 20-35kg of paper mulberry peel dry pulp is mixed with each cubic meter of warm water. The surfactant is surfactant OP-9; S3, after the raw material slurry is naturally dehydrated, it is added into a papermaking tank filled with water, and a dispersant solution is added and stirred evenly to obtain a papermaking slurry, wherein the concentration of the dispersant solution is 0.3-0.4 kg / m 3 ; The weight of the dispersant solution is 100-110 times the weight of the paper mulberry dry pulp in S2; S4, manually making paper from papermaking slurry to obtain wet paper; wherein the papermaking includes three passes, in which the papermaking slurry is directly thrown away within 2 seconds after being picked up in the first pass, the papermaking slurry is picked up in the second pass and shaken back and forth 25-30 times, and in the third pass, the papermaking slurry is picked up and shaken back and forth 20-25 times, left and right 15-20 times, and then shaken back and forth 15-20 times, and the remaining papermaking slurry is thrown away; S5, neatly loading the obtained wet paper into a paper press, pressing the paper, and drying the paper to obtain the mulberry paper.

2. The method for processing mulberry paper according to claim 1, characterized in that: In S1, the cleaning is carried out in a water pool with a size of 120cm×80cm×70cm. The inner and outer surfaces of the water pool are tiled, and a wooden grid is set at the bottom. A gauze is laid on the wooden grid. When the water is drained after cleaning, the paper mulberry fibers are blocked on the gauze; one pool of water is used to clean 25-35kg of paper mulberry.

3. The method for processing mulberry paper according to claim 1, characterized in that: In S2, the beating time is 40 minutes, the standing time is 30 minutes, and the cleaning time is 60 minutes.

4. The method for processing mulberry paper according to claim 1, characterized in that: In S2, the weight of the surfactant is 10wt% of the weight of the paper mulberry peel dry pulp, and 25kg of the paper mulberry peel dry pulp is mixed with each cubic meter of warm water.

5. The method for processing mulberry paper according to claim 1, characterized in that: In S3, the concentration of the dispersant solution is 0.375 kg / m 3 ; The weight of the dispersant solution is 105 times the weight of the paper mulberry dry pulp in S2.

6. The method for processing mulberry paper according to claim 1, characterized in that: In S5, the obtained wet paper is placed until the next day and then neatly loaded into the paper press, and a large plate is pressed to squeeze out water for 40-80 minutes, and then automatically pressed for 12-20 minutes by a cylinder hydraulic device.

7. The method for processing mulberry paper according to claim 6, characterized in that: The large plate is pressed and water is squeezed out for 60 minutes, and then automatically pressed by a cylinder hydraulic device for 15 minutes.

8. The method for processing mulberry paper according to any one of claims 1 to 7, characterized in that: In S5, after drying, it also includes inspection and packaging; the inspection process includes holding each piece of paper against the light to check whether there are foreign objects and yellow stems, whether the four edges are neat, whether there are bumps and wrinkles, and the weight of each piece of paper is allowed to deviate by 1g; the packaging process includes packing every 100 pieces of paper into a plastic bag, putting a product label in each bag, and packing every 10 bags of paper into a box, and packing them flat.

9. A mulberry paper, characterized in that: The paper is processed by the method for processing mulberry paper as described in any one of claims 1 to 8.