CN109295797A - A kind of preparation method for punching high tenacity paper - Google Patents

A kind of preparation method for punching high tenacity paper Download PDF

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Publication number
CN109295797A
CN109295797A CN201811119432.9A CN201811119432A CN109295797A CN 109295797 A CN109295797 A CN 109295797A CN 201811119432 A CN201811119432 A CN 201811119432A CN 109295797 A CN109295797 A CN 109295797A
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CN
China
Prior art keywords
paper
paper pulp
parts
precrosslink
high tenacity
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CN201811119432.9A
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Chinese (zh)
Inventor
陈正宇
张爱斌
胡海清
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Yangzhou Xianghua New Material Technology Co Ltd
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Yangzhou Xianghua New Material Technology Co Ltd
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Priority to CN201811119432.9A priority Critical patent/CN109295797A/en
Publication of CN109295797A publication Critical patent/CN109295797A/en
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • D21H17/55—Polyamides; Polyaminoamides; Polyester-amides
    • 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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • D21H17/375—Poly(meth)acrylamide
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Paper (AREA)

Abstract

The invention belongs to pulp technology for making paper, are related to a kind of preparation method that can punch high tenacity paper.It include: that paper pulp is made with conventional techniques in the industry, solid content is 25~85g/m3, pre- paper pulp is obtained through ultrasonic disperse；According to the ratio of 40~80 parts of the pre- paper pulp of mass fraction, 0.2~5 part of reinforcing agent of crosslinking, 0.02~5 part of filler, precrosslink paper pulp is obtained after mixing；According to the ratio of 30~70 parts of mass fraction precrosslink paper pulp, 30~80 parts of dispersing agent, 20~80 DEG C of 0.5~2h of ultrasonic disperse are transferred to 20~80 DEG C of 2~6h of surface drying in particular manufacturing craft, through 60~180 DEG C of 3~9h of solidification to get.Rigid solid particulate fillers, crosslinking reinforcing agent are introduced into paper main structure by the present invention, and the degree of refinement of paper pulp fiber can be improved, improve the cutting performance of finished product, reduce burr, the flying chip left after being sheared；Addition crosslinking reinforcing agent forms covalent bonding, forms conjugated electrons with reinforcing agent to the transverse and longitudinal zeeil tensile strength Z and toughness to improve finished paper in paper pulp.

Description

A kind of preparation method for punching high tenacity paper
Technical field
The invention belongs to pulp technology for making paper, are related to the preparation of paper, more particularly to one kind can punch high tenacity paper Preparation method.
Background technique
The papermaking technology of one of Ancient Times in China four inventions was once that the progress of human civilization is made that indelible contribution, was risen First people's papermaking simultaneously makees writing record on it, or contains article as lapping, this is the initial user of paper Formula.With the development of the times, the function of paper is constantly excavated by people, while in order to meet huge dosage demand, papermaking is former Material, technique etc. are also continuously improved, and nowadays the purposes of paper has been full of the every aspect of people's life already, or even certain High-end technology field is also put expertise to good use, such as insulating paper is used for the preparation of optical fiber, chromatography paper is used for chemical analysis, more Hole anode filter paper is for purification of water quality etc..This mainly has benefited from that current paper making raw material is more high-quality, preparation process continuously improves, together When new type of paper modified material, auxiliary agent appearance expanded the new function of paper again.
Traditional paper is to ensure its tensile strength, generally requires to possess its long fibre tissue, net as much as possible in mashing The long fibre of trellis just forms the paper generally touched in a crisscross manner, and this kind of paper is conducive to write, if but cutting on surface It cuts out or punching then easily burr, flying chip occurs in cutting shoulder edge, influence its overall beautiful effect.In view of the utilization of pulp modifying technology, If refining fibr tissue in the mashing stage, while the anti-tensile for introducing suitable multi-group crosslink agent's reinforcement paper is strong Degree, then can be effectively avoided the above problem.
Summary of the invention
It can subtract again the purpose of the invention is to improve paper toughness, tensile strength, while after its surface cuts, punches Few edge there are burr, flying chip etc. and disclosed one kind can punch the preparation method of high tenacity paper.
Technical solution
A kind of preparation method for punching high tenacity paper, includes the following steps:
A, paper pulp is made with conventional techniques in the industry, the solid content of the paper pulp is 25~85g/m3, through 20~60 DEG C of ultrasounds 0.5~5h of dispersion pre-processes to obtain pre- paper pulp, and the solid content of the preferably described paper pulp is 40g/m3, through 40 DEG C of ultrasonic disperse 4h；
B, according to 40~80 parts of the pre- paper pulp of mass fraction, crosslinking 0.2~5 part of reinforcing agent, 0.02~5 part of filler ratio, 40~150 DEG C, 100~3000r/min mechanical stirring make its be uniformly mixed, stir 0.5~4h after be made precrosslink paper pulp；Wherein The crosslinking reinforcing agent is polyfunctional group and the preferable dissaving polymer of hydrophily or polyfunctional group small molecule chemical combination Object；The filler is the rigid solid powder within 50~2000 mesh；
C, the ratio of 30~70 parts of precrosslink paper pulp, 30~80 parts of dispersing agent, 20~80 DEG C of ultrasounds point are weighed according to mass fraction 0.5~2h is dissipated, is transferred to 20~80 DEG C of 2~6h of surface drying in particular manufacturing craft, then through 60~180 DEG C of 3~9h of solidification, finished product can be obtained High tenacity paper can be punched；Wherein, the dispersing agent is deionized water, dehydrated alcohol, 95% ethyl alcohol or ethyl acetate, is preferably gone Ionized water.
In the more excellent disclosed example of the present invention, pre- pulp quality number described in step B is 80 parts, and crosslinking reinforcing agent mass fraction is 0.5 part, filler mass fraction is 0.42 part.
In the more excellent disclosed example of the present invention, it is set to be uniformly mixed system in 80 DEG C, 2000r/min mechanical stirring 2h described in step B Obtain precrosslink paper pulp.
In the more excellent disclosed example of the present invention, dissaving polymer described in step B is amine-terminated hyperbrancedization polyamide, terminal hydroxy group is super Branched polyacrylamide.
In the more excellent disclosed example of the present invention, polyfunctional group small molecule compound described in step B is melamine, equal benzene front three Acid, triethylamine, 3,5- diaminobenzoic acid, maleic acid, diethylenetriamine, preferably 3,5- diaminobenzoic acid.
In the more excellent disclosed example of the present invention, rigid solid powder described in step B is 50 mesh SiO 2 powders, 120 mesh dioxies SiClx powder, 800 mesh SiO 2 powders, 500 mesh calcium carbonate powders, 1500 mesh calcium carbonate powders etc., preferably 800 mesh titanium dioxides Si powder.
In the more excellent disclosed example of the present invention, precrosslink pulp quality number described in step C is 40 parts, and dispersing agent mass fraction is 70 parts.
In the more excellent disclosed example of the present invention, 35 DEG C of ultrasonic disperse 1h described in step C.
In the more excellent disclosed example of the present invention, 40 DEG C of surface drying 4h in particular manufacturing craft are transferred to described in step C.
In the more excellent disclosed example of the present invention, through 140 DEG C of solidification 4h described in step C.
According to the normal attribute for punching high tenacity paper and having paper in traditional sense prepared by the above method, such as book Write, is foldable etc., it should be noted simultaneously that, fibre structure is more careful after common paper pulp is sonicated, is finished paper Cutting performance good basis is provided；Suitable rigid solid particle is introduced in paper system, it is therefore intended that improve finished paper It can punch, tailorability energy, also be in order to reduce phenomena such as cutting mouth edge burr, flying chip, however, shorter fibre structure The tensile strength and toughness of paper can be greatly reduced with a certain proportion of rigid solid particle, therefore more officials are introduced in this technology The crosslinking agent that can be rolled into a ball, can be with carbonyl, carboxyl in paper system if crosslinking reinforcing agent functional group is amino, hydroxyl as reinforcement Etc. forming covalent bond, while numerous polyfunctional groups can form conjugated electrons pair with solid particle again, thus it is solid to increase paper system Cross-linked structure after change improves paper cross, longitudinal bonding fastness.
Technical step analysis of the invention:
(1) firstly, prepared by pre- paper pulp:
The paper pulp of certain solid content is made with conventional techniques in the industry, the ultrasonic disperse pretreatment through certain temperature, time.
(2) secondly, the preparation of precrosslink paper pulp:
Appropriate pre- paper pulp, crosslinking reinforcing agent, filler is taken to be blended, mechanical stirring under certain temperature, speed conditions keeps its mixing equal Precrosslink paper pulp is obtained after even.
Crosslinking reinforcing agent can be polyfunctional group and the preferable dissaving polymer of hydrophily, such as amine-terminated hyperbrancedization polyamides Amine, superbrnaching end-hydroxy polyacrylamide, are also possible to polyfunctional group small molecule compound, as melamine, trimesic acid, Triethylamine, 3,5- diaminobenzoic acid, maleic acid, diethylenetriamine etc.；Filler can be within 50~2000 mesh Rigid solid powder, such as 50 mesh SiO 2 powders, 120 mesh SiO 2 powders, 800 mesh SiO 2 powders, 500 mesh carbonic acid Calcium powder, 1500 mesh calcium carbonate powders etc..Precrosslink paper pulp each component can be with according to mass fraction are as follows:
Pre- paper pulp: 40~80 parts；
Crosslinking reinforcing agent: 0.2~5 part；
Filler: 0.02~5 part.
(3) again, finished product can punch the preparation of high tenacity paper:
Precrosslink paper pulp and dispersing agent are weighed, ultrasonic disperse under the conditions of certain temperature is transferred to surface drying in particular manufacturing craft, then through solid Change, can obtain finished product can punch high tenacity paper,
Dispersing agent can be deionized water, dehydrated alcohol, 95% ethyl alcohol, ethyl acetate.
Part chemical reagent title that the present invention uses, manufacturer are as follows:
Amine-terminated hyperbrancedization polyamide (Shanghai one chemical reagent work of purple), superbrnaching end-hydroxy polyacrylamide (Shanghai one reagent of purple Factory), melamine (the raging fine chemistry industry Science and Technology Ltd. of Wuxi City), (prosperous liter of Shandong new material science and technology has trimesic acid Limit company), triethylamine (Shandong Wang Sheng new material Science and Technology Ltd.), 3,5- diaminobenzoic acid (Shandong Wang Sheng new material section Skill Co., Ltd), maleic acid (the raging fine chemistry industry Science and Technology Ltd. of Wuxi City), (Wuxi City is raging for diethylenetriamine Fine chemistry industry Science and Technology Ltd.), 50 mesh SiO 2 powders (Yichang converge with silica-rich material Co., Ltd), 120 mesh silica Powder (converge silica-rich material Co., Ltd in Yichang), 800 mesh SiO 2 powders (converge silica-rich material Co., Ltd in Yichang), 500 mesh It is calcium carbonate powder (Jintan Xiang Sheng calcification factory), 1500 mesh calcium carbonate powders (Jintan Xiang Sheng calcification factory), ionized water (self-control), anhydrous Ethyl alcohol (Shanghai Xiang mound chemical industry), 95% ethyl alcohol (Shanghai Xiang mound chemical industry), ethyl acetate (Shanghai Xiang mound chemical industry).
Beneficial effect
The present invention introduces rigid solid particulate fillers, crosslinking reinforcing agent in paper main structure, the former can be improved The degree of refinement of paper pulp fiber, improves the cutting performance of finished paper, to reduce burr, the flying chip that it leaves after by shearing force； But tensile strength, the toughness of paper can increase reduction again after a certain amount of particulate fillers of introducing, thus need to be in pulping system In additionally add a certain amount of crosslinking reinforcing agent, by be crosslinked reinforcing agent and pulping system formed covalent bonding, with reinforcement dosage form At conjugated electrons to the transverse and longitudinal zeeil tensile strength Z and toughness to improve finished paper.
Specific embodiment
The present invention is described in detail combined with specific embodiments below, and following embodiment will be helpful to the technology of this field Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that those skilled in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention Protect scope.
Blank control example
(1) firstly, preparing pre- slurrying, control solid content is 40 g/m3, paper pulp is through 40 DEG C, the pretreatment of 4h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, pre- paper pulp is weighed, filler is blended, 80 DEG C, mechanical under the conditions of 2000r/min 2h is stirred, so that it is obtained reinforcement paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 60 parts；
800 mesh SiO 2 powder of filler: 0.42 part.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 35 DEG C Disperse 1h, is transferred in particular manufacturing craft surface drying 4h at 40 DEG C, then solidified 4h under the conditions of 140 DEG C, can obtain finished product can punch height Toughness paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 40 parts；
Dispersing agent deionized water: 70 parts.
Embodiment 1
(1) firstly, preparing pre- slurrying, control solid content is 40 g/m3, paper pulp is through 40 DEG C, the pretreatment of 4h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 80 DEG C, 2000r/ Mechanical stirring 2h under the conditions of min makes it obtain precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 60 parts；
Crosslinking reinforcing agent 3,5- diaminobenzoic acid: 0.5 part；
800 mesh SiO 2 powder of filler: 0.42 part.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 35 DEG C Disperse 1h, is transferred in particular manufacturing craft surface drying 4h at 40 DEG C, then solidified 4h under the conditions of 140 DEG C, can obtain finished product can punch height Toughness paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 40 parts；
Dispersing agent deionized water: 70 parts.
Embodiment 2
(1) firstly, preparing pre- slurrying, control solid content is 25 g/m3, paper pulp is through 20 DEG C, the pretreatment of 0.5h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 40 DEG C, 100r/min Under the conditions of mechanical stirring 0.5h, so that it is obtained precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 40 parts；
Crosslinking reinforcing agent 3,5- diaminobenzoic acid: 0.2 part；
800 mesh SiO 2 powder of filler: 0.02 part.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 20 DEG C Disperse 0.5h, is transferred in particular manufacturing craft surface drying 2h at 20 DEG C, then solidified 3h under the conditions of 60 DEG C, can obtain finished product can punch height Toughness paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 30 parts；
Dispersing agent deionized water: 30 parts.
Embodiment 3
(1) firstly, preparing pre- slurrying, control solid content is 85 g/m3, paper pulp is through 60 DEG C, the pretreatment of 5h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 150 DEG C, 3000r/ Mechanical stirring 4h under the conditions of min makes it obtain precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 80 parts；
Crosslinking reinforcing agent 3,5- diaminobenzoic acid: 5 parts；
800 mesh SiO 2 powder of filler: 5 parts.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 80 DEG C Disperse 2h, is transferred in particular manufacturing craft surface drying 6h at 80 DEG C, then solidified 9h under the conditions of 180 DEG C, can obtain finished product can punch height Toughness paper, wherein each storeroom mass fraction are as follows:
70 parts of precrosslink paper pulp；
Dispersing agent deionized water: 80 parts.
Embodiment 4
(1) firstly, preparing pre- slurrying, control solid content is 30 g/m3, paper pulp is through 30 DEG C, the pretreatment of 1.5h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 50 DEG C, 1200r/ Mechanical stirring 3h under the conditions of min makes it obtain precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 55 parts；
Crosslinking reinforcing agent amine-terminated hyperbrancedization polyamide: 0.25 part；
50 mesh SiO 2 powder of filler: 0.03 part.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 50 DEG C Disperse 1h, is transferred in particular manufacturing craft surface drying 3h at 60 DEG C, then solidified 4h under the conditions of 150 DEG C, can obtain finished product can punch height Toughness paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 60 parts；
Dispersing agent dehydrated alcohol: 60 parts.
Embodiment 5
(1) firstly, preparing pre- slurrying, control solid content is 36 g/m3, paper pulp is through 60 DEG C, the pretreatment of 3h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 120 DEG C, 800r/ Mechanical stirring 0.5h under the conditions of min makes it obtain precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 36 parts；
Crosslinking reinforcing agent superbrnaching end-hydroxy polyacrylamide: 0.4 part；
120 mesh SiO 2 powder of filler: 2 parts.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 55 DEG C Disperse 1.5h, is transferred in particular manufacturing craft surface drying 4h at 30 DEG C, then solidified 5h under the conditions of 170 DEG C, can obtain finished product can punch High tenacity paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 66 parts；
95% ethyl alcohol of dispersing agent: 40 parts.
Embodiment 6
(1) firstly, preparing pre- slurrying, control solid content is 40 g/m3, paper pulp is through 30 DEG C, the pretreatment of 3h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 140 DEG C, 500r/ Mechanical stirring 2h under the conditions of min makes it obtain precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 60 parts；
Crosslinking reinforcing agent melamine: 0.3 part；
800 mesh SiO 2 powder of filler: 0.3 part.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 70 DEG C Disperse 1.5h, is transferred in particular manufacturing craft surface drying 3h at 70 DEG C, then solidified 8h under the conditions of 100 DEG C, can obtain finished product can punch High tenacity paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 50 parts；
Dispersing agent ethyl acetate: 3 parts.
Embodiment 7
(1) firstly, preparing pre- slurrying, control solid content is 60 g/m3, paper pulp is through 30 DEG C, the pretreatment of 2.5h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 40~150 DEG C, Mechanical stirring 4h under the conditions of 2000r/min makes it obtain precrosslink paper pulp after mixing, wherein each storeroom mass fraction Are as follows:
Pre- paper pulp: 66 parts；
Crosslinking reinforcing agent trimesic acid: 0.34 part；
1500 mesh calcium carbonate powder of filler: 0.05 part.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 50 DEG C Disperse 3.5h, is transferred in particular manufacturing craft surface drying 5h at 7 DEG C, then solidified 4h under the conditions of 120 DEG C, can obtain finished product can punch height Toughness paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 44 parts；
Dispersing agent deionized water: 70 parts.
Embodiment 8
(1) firstly, preparing pre- slurrying, control solid content is 70 g/m3, paper pulp is through 40 DEG C, the pretreatment of 2h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 130 DEG C, 2800r/ Mechanical stirring 0.5h under the conditions of min makes it obtain precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 50 parts；
Crosslinking reinforcing agent triethylamine: 0.3 part；
900 mesh SiO 2 powder of filler: 0.04 part.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 40 DEG C Disperse 2h, is transferred in particular manufacturing craft surface drying 3h at 30 DEG C, then solidified 5h under the conditions of 120 DEG C, can obtain finished product can punch height Toughness paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 60 parts；
Dispersing agent dehydrated alcohol: 80 parts.
Embodiment 9
(1) firstly, preparing pre- slurrying, control solid content is 75 g/m3, paper pulp is through 55 DEG C, the pretreatment of 1h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 90 DEG C, 2000r/ Mechanical stirring 2h under the conditions of min makes it obtain precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 50 parts；
Crosslinking reinforcing agent 3,5- diaminobenzoic acid: 3 parts；
80 mesh SiO 2 powder of filler: 4.43 parts.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 70 DEG C Disperse 1h, is transferred in particular manufacturing craft surface drying 4h at 70 DEG C, then solidified 8h under the conditions of 170 DEG C, can obtain finished product can punch height Toughness paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 55 parts；
Dispersing agent dehydrated alcohol: 75 parts.
Embodiment 10
(1) firstly, preparing pre- slurrying, control solid content is 65 g/m3, paper pulp is through 45 DEG C, the pretreatment of 4h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 80 DEG C, 400r/min Under the conditions of mechanical stirring 4h, so that it is obtained precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 60 parts；
Crosslinking reinforcing agent maleic acid: 0.3 part；
150 mesh SiO 2 powder of filler: 3 parts.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 30 DEG C Disperse 1h, is transferred in particular manufacturing craft surface drying 3h at 30 DEG C, then solidified 4.5h under the conditions of 155 DEG C, can obtain finished product can punch High tenacity paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 55 parts；
95% ethyl alcohol of dispersing agent: 75 parts.
Embodiment 11
(1) firstly, preparing pre- slurrying, control solid content is 35 g/m3, paper pulp is through 48 DEG C, the pretreatment of 3.5h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 70 DEG C, 400r/min Under the conditions of mechanical stirring 4h, so that it is obtained precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 55 parts；
Crosslinking reinforcing agent diethylenetriamine: 2.5 parts；
2000 mesh SiO 2 powder of filler: 3.6 parts.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 70 DEG C Disperse 1h, is transferred in particular manufacturing craft surface drying 3h at 33 DEG C, then solidified 6h under the conditions of 100 DEG C, can obtain finished product can punch height Toughness paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 40 parts；
Dispersing agent ethyl acetate: 40 parts.
Embodiment 12
(1) firstly, preparing pre- slurrying, control solid content is 64 g/m3, paper pulp is through 55 DEG C, the pretreatment of 2h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 70 DEG C, 140r/min Under the conditions of mechanical stirring 2h, so that it is obtained precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 63 parts；
Crosslinking reinforcing agent amine-terminated hyperbrancedization polyamide: 4.8 parts；
2000 mesh calcium carbonate powder of filler: 0.04 part.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 7 DEG C Disperse 2.5h, is transferred in particular manufacturing craft surface drying 3h at 77 DEG C, then solidified 5h under the conditions of 160 DEG C, can obtain finished product can punch High tenacity paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 50 parts；
Dispersing agent deionized water: 78 parts.
Embodiment 13
(1) firstly, preparing pre- slurrying, control solid content is 32 g/m3, paper pulp is through 25 DEG C, the pretreatment of 3h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 130 DEG C, 2400r/ Mechanical stirring 2h under the conditions of min makes it obtain precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 55 parts；
Crosslinking reinforcing agent superbrnaching end-hydroxy polyacrylamide: 3 parts；
80 mesh SiO 2 powder of filler: 4.5 parts.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 44 DEG C Disperse 1.5h, is transferred in particular manufacturing craft surface drying 2h at 77 DEG C, then solidified 4h under the conditions of 70 DEG C, can obtain finished product can punch height Toughness paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 44 parts；
95% ethyl alcohol of dispersing agent: 35 parts.
Embodiment 14
(1) firstly, preparing pre- slurrying, control solid content is 38 g/m3, paper pulp is through 33 DEG C, the pretreatment of 4h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 120 DEG C, 1800r/ Mechanical stirring 3h under the conditions of min makes it obtain precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 55 parts；
Crosslinking reinforcing agent melamine: 4.8 parts；
600 mesh calcium carbonate powder of filler: 0.03 part.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 33 DEG C Disperse 1.5h, is transferred in particular manufacturing craft surface drying 3h at 70 DEG C, then solidified 5h under the conditions of 155 DEG C, can obtain finished product can punch High tenacity paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 40 parts；
Dispersing agent dehydrated alcohol: 55 parts.
Embodiment 15
(1) firstly, preparing pre- slurrying, control solid content is 74 g/m3, paper pulp is through 40 DEG C, the pretreatment of 4.5h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 65 DEG C, 2700r/ Mechanical stirring 1h under the conditions of min makes it obtain precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 50 parts；
Crosslinking reinforcing agent 3,5- diaminobenzoic acid: 3.5 parts；
120 mesh SiO 2 powder of filler: 1.35 parts.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 66 DEG C Disperse 1h, is transferred in particular manufacturing craft surface drying 6h at 56 DEG C, then solidified 4h under the conditions of 110 DEG C, can obtain finished product can punch height Toughness paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 56 parts；
Dispersing agent ethyl acetate: 60 parts.
Embodiment 16
(1) firstly, preparing pre- slurrying, control solid content is 70 g/m3, paper pulp is through 44 DEG C, the pretreatment of 4h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 120 DEG C, 250r/ Mechanical stirring 1h under the conditions of min makes it obtain precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 55 parts；
Crosslinking reinforcing agent maleic acid: 3 parts；
720 mesh SiO 2 powder of filler: 3.66 parts.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 74 DEG C Disperse 2h, is transferred in particular manufacturing craft surface drying 3h at 40 DEG C, then solidified 5h under the conditions of 150 DEG C, can obtain finished product can punch height Toughness paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 63 parts；
Dispersing agent dehydrated alcohol: 54 parts.
Embodiment 17
(1) firstly, preparing pre- slurrying, control solid content is 66 g/m3, paper pulp is through 40 DEG C, the pretreatment of 4h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 68 DEG C, 150r/min Under the conditions of mechanical stirring 1.5h, so that it is obtained precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 44 parts；
Crosslinking reinforcing agent diethylenetriamine: 3.4 parts；
400 mesh SiO 2 powder of filler: 2.5 parts.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 33 DEG C Disperse 1h, is transferred in particular manufacturing craft surface drying 2h at 56 DEG C, then solidified 4h under the conditions of 110 DEG C, can obtain finished product can punch height Toughness paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 45 parts；
95% ethyl alcohol of dispersing agent: 35 parts.
Embodiment 18
(1) firstly, preparing pre- slurrying, control solid content is 55 g/m3, paper pulp is through 45 DEG C, the pretreatment of 2h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 110 DEG C, 800r/ Mechanical stirring 2.5h under the conditions of min makes it obtain precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 67 parts；
Crosslinking reinforcing agent maleic acid: 2 parts；
300 mesh SiO 2 powder of filler: 3 parts.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 54 DEG C Disperse 2h, is transferred in particular manufacturing craft surface drying 3h at 44 DEG C, then solidified 4h under the conditions of 80 DEG C, can obtain finished product can punch high-ductility Property paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 55 parts；
Dispersing agent deionized water: 74 parts.
Embodiment 19
(1) firstly, preparing pre- slurrying, control solid content is 78 g/m3, paper pulp is through 30 DEG C, the pretreatment of 3h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 120 DEG C, 900r/ Mechanical stirring 0.5h under the conditions of min makes it obtain precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 66 parts；
Crosslinking reinforcing agent trimesic acid: 0.6 part；
1500 mesh calcium carbonate powder of filler: 2 parts.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 33 DEG C Disperse 1h, is transferred in particular manufacturing craft surface drying 6h at 76 DEG C, then solidified 4h under the conditions of 60 DEG C, can obtain finished product can punch high-ductility Property paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 33 parts；
Dispersing agent dehydrated alcohol: 57 parts.
Embodiment 20
(1) firstly, preparing pre- slurrying, control solid content is 77g/m3, paper pulp is through 30 DEG C, the pretreatment of 1h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 110 DEG C, 700r/ Mechanical stirring 4h under the conditions of min makes it obtain precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 60 parts；
Crosslinking reinforcing agent 3,5- diaminobenzoic acid: 0.75 part；
50 mesh SiO 2 powder of filler: 3.6 parts.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 60 DEG C Disperse 1.5h, is transferred in particular manufacturing craft surface drying 3h at 70 DEG C, then solidified 9h under the conditions of 120 DEG C, can obtain finished product can punch High tenacity paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 44 parts；
Dispersing agent dehydrated alcohol: 36 parts.
Embodiment 21
(1) firstly, preparing pre- slurrying, control solid content is 46 g/m3, paper pulp is through 33 DEG C, the pretreatment of 3.5h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 120 DEG C, 550r/ Mechanical stirring 2h under the conditions of min makes it obtain precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 62 parts；
Crosslinking reinforcing agent superbrnaching end-hydroxy polyacrylamide: 1.4 parts；
800 mesh SiO 2 powder of filler: 4 parts.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 44 DEG C Disperse 1h, is transferred in particular manufacturing craft surface drying 3h at 30 DEG C, then solidified 5.5h under the conditions of 70 DEG C, can obtain finished product can punch height Toughness paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 55 parts；
Dispersing agent dehydrated alcohol: 67 parts.
Embodiment 22
(1) firstly, preparing pre- slurrying, control solid content is 68 g/m3, paper pulp is through 55 DEG C, the pretreatment of 2h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 70 DEG C, 700r/min Under the conditions of mechanical stirring 1.5h, so that it is obtained precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 60 parts；
Crosslinking reinforcing agent 3,5- diaminobenzoic acid: 4 parts；
800 mesh SiO 2 powder of filler: 0.03 part.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 33 DEG C Disperse 0.5h, is transferred in particular manufacturing craft surface drying 4h at 70 DEG C, then solidified 5h under the conditions of 120 DEG C, can obtain finished product can punch High tenacity paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 60 parts；
Dispersing agent ethyl acetate: 40 parts.
Embodiment 23
(1) firstly, preparing pre- slurrying, control solid content is 30 g/m3, paper pulp is through 44 DEG C, the pretreatment of 2h ultrasonic disperse.
(2) secondly, preparation precrosslink paper pulp, weighs pre- paper pulp, crosslinking reinforcing agent, filler and be blended, 50 DEG C, 900r/min Under the conditions of mechanical stirring 3h, so that it is obtained precrosslink paper pulp after mixing, wherein each storeroom mass fraction are as follows:
Pre- paper pulp: 58 parts；
Crosslinking reinforcing agent melamine: 2 parts；
120 mesh SiO 2 powder of filler: 0.3 part.
(3) again, high tenacity paper can be punched by preparing finished product, weigh precrosslink paper pulp, dispersing agent, ultrasound under the conditions of 44 DEG C Disperse 0.5h, is transferred in particular manufacturing craft surface drying 3h at 46 DEG C, then solidified 5h under the conditions of 110 DEG C, can obtain finished product can punch High tenacity paper, wherein each storeroom mass fraction are as follows:
Precrosslink paper pulp: 56 parts；
Dispersing agent dehydrated alcohol: 40 parts.
Paper toughness is improved intuitively to illustrate this technology using crosslinking means and the advantage of ability can be punched, the application is public The characterizing part parameter of section Example is opened, wherein the specific data of paper tensile strength are as shown in table 1.
1. paper tensile strength reduced value of table
Test group Blank control example Embodiment 1 Embodiment 3 Embodiment 8 Embodiment 11 Embodiment 20 Embodiment 23
Grammes per square metre (g) 5.0 5.0 5.05 5.04 5.1 4.99 5.0
Tensile strength (kN/M) 1.9 4.6 2.1 2.3 2.3 3.5 2.9
It is not difficult to find out that blank control example is because being free of any crosslinker component, data are compared with other test groups in tensile strength test Numerical value is low, and embodiment 1 is optimal matingplan, and data are high compared with other test group numerical value in tensile strength test.
In addition, the nonvolatile matter migration specific data of total amount are as shown in table 2.
2. paper nonvolatile matter gross migration reduced value (170 DEG C) of table
Test group Blank control example Embodiment 1 Embodiment 3 Embodiment 8 Embodiment 11 Embodiment 20 Embodiment 23
Grammes per square metre (g) 5.0 5.0 5.05 5.04 5.1 4.99 5.0
Nonvolatile matter gross migration (mg/dm2) 3.6 0.41 0.65 0.55 0.97 1.22 0.84
It wherein, is the nonvolatile matter gross migration measuring method for simplifying paper, each comparative test uses 170 DEG C without exception.No Be difficult to see, blank control example because be free of any crosslinker component, paper nonvolatile matter gross migration test in data compared with Other test group numerical value are high, and embodiment 1 is optimal matingplan, compared with other in the test of paper nonvolatile matter gross migration Test group numerical value is low.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure or equivalent flow shift made by bright specification is applied directly or indirectly in other relevant technical fields, Similarly it is included within the scope of the present invention.

Claims (10)

1. the preparation method that one kind can punch high tenacity paper, which comprises the steps of:
A, paper pulp is made with conventional techniques in the industry, the solid content of the paper pulp is 25~85g/m3, through 20~60 DEG C of ultrasounds point It dissipates 0.5~5h and pre-processes to obtain pre- paper pulp, the solid content of the preferably described paper pulp is 40g/m3, through 40 DEG C of ultrasonic disperse 4h；
B, according to 40~80 parts of the pre- paper pulp of mass fraction, crosslinking 0.2~5 part of reinforcing agent, 0.02~5 part of filler ratio, 40~150 DEG C, 100~3000r/min mechanical stirring make its be uniformly mixed, stir 0.5~4h after be made precrosslink paper pulp；Wherein The crosslinking reinforcing agent is polyfunctional group and the preferable dissaving polymer of hydrophily or polyfunctional group small molecule chemical combination Object；The filler is the rigid solid powder within 50~2000 mesh；
C, the ratio of 30~70 parts of precrosslink paper pulp, 30~80 parts of dispersing agent, 20~80 DEG C of ultrasounds point are weighed according to mass fraction 0.5~2h is dissipated, is transferred to 20~80 DEG C of 2~6h of surface drying in particular manufacturing craft, then through 60~180 DEG C of 3~9h of solidification, finished product can be obtained High tenacity paper can be punched；Wherein, the dispersing agent is deionized water, dehydrated alcohol, 95% ethyl alcohol or ethyl acetate, is preferably gone Ionized water.
2. the preparation method of high tenacity paper can be punched according to claim 1, it is characterised in that: pre- paper pulp described in step B Mass fraction is 80 parts, and crosslinking reinforcing agent mass fraction is 0.5 part, and filler mass fraction is 0.42 part.
3. the preparation method of high tenacity paper can be punched according to claim 1, it is characterised in that: described in step B 80 DEG C, 2000r/min mechanical stirring 2h makes it be uniformly mixed obtained precrosslink paper pulp.
4. the preparation method of high tenacity paper can be punched according to claim 1, it is characterised in that: hyperbranched described in step B Polymer is amine-terminated hyperbrancedization polyamide, superbrnaching end-hydroxy polyacrylamide.
5. the preparation method of high tenacity paper can be punched according to claim 1, it is characterised in that: multifunctional described in step B Group's small molecule compound is melamine, trimesic acid, triethylamine, 3,5- diaminobenzoic acid, maleic acid, divinyl Triamine, preferably 3,5- diaminobenzoic acid.
6. the preparation method of high tenacity paper can be punched according to claim 1, it is characterised in that: rigidly solid described in step B Body powder be 50 mesh SiO 2 powders, 120 mesh SiO 2 powders, 800 mesh SiO 2 powders, 500 mesh calcium carbonate powders, 1500 mesh calcium carbonate powders etc., preferably 800 mesh SiO 2 powders.
7. the preparation method of high tenacity paper can be punched according to claim 1, it is characterised in that: precrosslink described in step C Pulp quality number is 40 parts, and dispersing agent mass fraction is 70 parts.
8. the preparation method of high tenacity paper can be punched according to claim 1, it is characterised in that: surpass for 35 DEG C described in step C Sound disperses 1h.
9. the preparation method of high tenacity paper can be punched according to claim 1, it is characterised in that: be transferred to described in step C specially With 40 DEG C of surface drying 4h in mold.
10. the preparation method of high tenacity paper can be punched according to claim 1, it is characterised in that: through 140 described in step C DEG C solidification 4h.
CN201811119432.9A 2018-09-26 2018-09-26 A kind of preparation method for punching high tenacity paper Pending CN109295797A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102587197A (en) * 2012-01-12 2012-07-18 金东纸业（江苏）股份有限公司 Paper stock and preparation method thereof as well as paper manufactured by applying paper stock
CN102677535A (en) * 2011-03-11 2012-09-19 纳尔科公司 Method for improving dehydration efficiency, increasing sheet wet web strength, increasing sheet wet strength and improving filler retention during papermaking
CN103981770A (en) * 2014-04-09 2014-08-13 蚌埠市风驰滤清器有限公司 Filter paper for gasoline filter and preparation method thereof
CN107366182A (en) * 2016-03-31 2017-11-21 荒川化学工业株式会社 High grey separation paper power reinforcing agent, the manufacture method of high grey separation and high grey separation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102677535A (en) * 2011-03-11 2012-09-19 纳尔科公司 Method for improving dehydration efficiency, increasing sheet wet web strength, increasing sheet wet strength and improving filler retention during papermaking
CN102587197A (en) * 2012-01-12 2012-07-18 金东纸业（江苏）股份有限公司 Paper stock and preparation method thereof as well as paper manufactured by applying paper stock
CN103981770A (en) * 2014-04-09 2014-08-13 蚌埠市风驰滤清器有限公司 Filter paper for gasoline filter and preparation method thereof
CN107366182A (en) * 2016-03-31 2017-11-21 荒川化学工业株式会社 High grey separation paper power reinforcing agent, the manufacture method of high grey separation and high grey separation

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Application publication date: 20190201