CN109098030A - A kind of preparation method of graphene modified glass-fiber paper - Google Patents
A kind of preparation method of graphene modified glass-fiber paper Download PDFInfo
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- CN109098030A CN109098030A CN201810993616.1A CN201810993616A CN109098030A CN 109098030 A CN109098030 A CN 109098030A CN 201810993616 A CN201810993616 A CN 201810993616A CN 109098030 A CN109098030 A CN 109098030A
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- graphene
- paper
- modified glass
- glass
- glass fibre
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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
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/38—Inorganic fibres or flakes siliceous
- D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
-
- 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
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
-
- 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
- D21H17/56—Polyamines; Polyimines; Polyester-imides
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/002—Tissue paper; Absorbent paper
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of preparation methods of graphene modified glass-fiber paper, it is placed in cationic surface finishing agent polyethyleneimine and is sufficiently impregnated after glass fibre cotton is shredded, it rinses and dries after heating water bath, it is successively put into graphene oxide dispersion and chitosan solution and impregnates repeatedly again, it is dried after rinsing, it is restored with graphene oxide of the ultraviolet curing method to its surface, obtains graphene modified glass-fiber paper after copy paper molding, sufficiently drying.It is uniform-distribution with graphene in all-glass paper, numerous performances such as its tensile strength, flame retardant property, hydrophobicity performance can be improved, widened the application field of all-glass paper significantly, can be used for many special industries.
Description
Technical field
The present invention relates to a kind of preparation method of all-glass paper, in particular to a kind of graphene modified glass-fiber paper
Preparation method.
Background technique
All-glass paper is tissue paper made of being manufactured paper with pulp as the tiny glass fibre of diameter, has good stability of the dimension, resists
The advantages that chemical agent is good, against weather is strong, noninflammability is good.Market is answered to need to generate using glass fibre papermaking, root
According to the different requirements of all-glass paper, the fibre diameter, fibre length, viscous platform agent, packing material of all-glass paper are constituted
It is different.Glass fiber filter paper can be used for the filtering of various media, suspension grain, bacterium and the endotoxin that can be used in aqueous solution
Filtering, can be used for the purification of water, the filtering of liquid food, it can also be used to blood analysis and blood filtration.
Application No. is 201610834464.1 patents of invention to disclose a kind of light-high-strength glass fiber filter paper, by double
Component hollow glass fibre and adhesive form, it is characterised in that and the two-component hollow glass fibre hollow rate is 0.60~
0.95, average diameter is 0.8~7.2 μm, draw ratio is 16~78, and section is one of round or ellipse or two
The mixing of person, the two-component glass fibre form mixing by the glass raw material of two kinds of components after two furnaces respectively
Liquid, then formed through 1450~1550 DEG C of thermal-flame blowing wire drawings.The invention also discloses a kind of light-high-strength glass fibres
The preparation method of filter paper, it is characterised in that the following steps are included: (1) beater disperses；(2) it stirs, remove Slag treatment；(3) manufacture paper with pulp,
Vaccum dewatering and squeeze ground paper is made；(4) glue spraying；(5) it dries.The present invention has the beneficial effects that 1. lightweight, environmental protection；
2. intensity is high.
Application No. is 201510702068.9 patents of invention to disclose a kind of gradient distribution two-component glass fiber filter paper,
It is characterized in that the filter paper is made of 2~10 layers, each layer with a thickness of the two-component glass layer of 0.03~2.0mm,
In from first layer to the avarage fiber diameter of last one layer of two-component glass layer uniformly increase to 5 μm in gradient from 0.4 μm,
The glass fibre is 4 × 10 by coefficient of expansion difference-6/ DEG C~6.4 × 10-6/ DEG C the glass of two kinds of components formed.This hair
It is bright to also disclose a kind of preparation method of gradient distribution two-component glass fiber filter paper, it is characterised in that the following steps are included: (1)
2~6 groups of gradient kilns of arrangement；(2) glass marble of two kinds of components is respectively melted；(3) wire drawing, latter gradient are blown using flame
Kiln blowing flame temperature is 30 DEG C higher than previous gradient, and air velocity increases 50m/s compared to previous gradient；(4) collect cotton；(5)
Roll-in sizing；(6) thermal finalization.The present invention has the beneficial effects that 1. save the cost；2. filter efficiency is high；3. high temperature resistant.
Above-mentioned patent, which passes through, improves raw material and preparation process to obtain the all-glass paper with certain property, but
It is due to its main component or glass fibre, main to be still applied to filtering material field, the present invention passes through addition graphene
Glass fibre is modified to obtain the all-glass paper with various properties, has widened its application field.
Summary of the invention
The present invention is directed to overcome the deficiencies of the prior art and provide a kind of preparation method of modified glass-fiber paper.
To realize the present invention purpose the technical solution adopted is that: provide a kind of preparation of graphene modified glass-fiber paper
Method, it is characterised in that include the following steps:
(1) glass fibre cotton is prepared using centrifugal injection method or burner blowing process, fibre length is 5~50mm, and fiber is straight
Diameter is 1~10 μm；
(2) suitable glass fibre cotton is chosen, the cationic surface that concentration is 20~50g/L is placed in after shredding and is arranged
It is sufficiently impregnated in agent polyethyleneimine, while being carried out heating water bath 1~2 hour at 50~80 DEG C, then floated with deionized water
It washes, dries at room temperature；
(3) glass fibre cotton after drying is put into graphene oxide dispersion and is sufficiently impregnated 1~2 hour, spent
It is dried after ionized water rinsing, places into chitosan solution and be sufficiently impregnated 1~2 hour, dried after rinsing, repeat this process 5
~10 times；
(4) glass fibre cotton after drying is restored using graphene oxide of the ultraviolet curing method to its surface,
Obtain the modified glass fibre cotton of graphene；
(5) the modified glass fibre cotton of graphene being put into standard fibers fluffer, setting rotation speed is 10000~
30000r/min is stirred 20~50 minutes；
(6) the modified glass fibre cotton solution of the graphene after stirring is poured into paper machine, by copy paper molding, sufficiently
Graphene modified glass-fiber paper is obtained after drying.
Further, the concentration of graphene oxide dispersion described in step (2) is 1~5mg/mL, is by graphite oxide
Alkene powder, which is added to the water, to be obtained after ultrasonic disperse 2~5 hours.
Further, it is 0.5~5% by the mass fraction of chitosan solution described in step (2), is by Chitosan powder
It is dissolved in obtained in the acetum that volume fraction is 2%.
Further, power setting is 1500~2500W in ultraviolet curing method described in step (4), and light wave is a length of
365nm。
Application effect: it is uniform-distribution with compared with prior art, the present invention having the advantage that in (1) all-glass paper
Graphene can improve the crowds such as its tensile strength, flame retardant property, hydrophobicity performance, electric conductivity, thermal stability, uviolresistance
More performances have widened the application field of all-glass paper significantly, can be used for many special industries；(2) cationic surface is utilized
Finishing agent polyethyleneimine pre-processes glass fibre cotton, makes its surface with certain charge, due to chitosan molecule table
Face is positively charged, and surface of graphene oxide is negatively charged, can use electrostatic adsorption by impregnating and drying repeatedly and makes
Graphene oxide is tightly combined on glass fibre cotton surface, is uniformly dispersed, and finally ensure that the performance uniformity of all-glass paper
And stability.
Specific embodiment
Combined with specific embodiments below, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate the present invention
Rather than limit the scope of the invention, after the present invention has been read, those skilled in the art are to various equivalences of the invention
It is as defined in the appended claims that the modification of form falls within the application.
Embodiment 1
A kind of preparation method of graphene modified glass-fiber paper, including the following steps:
(1) glass fibre cotton is prepared using centrifugal injection method or burner blowing process, fibre length is 5~50mm, and fiber is straight
Diameter is 1~10 μm；
(2) suitable glass fibre cotton is chosen, it is poly- that the cationic surface finishing agent that concentration is 35g/L is placed in after shredding
It is sufficiently impregnated in aziridine, while being carried out heating water bath 1.5 hours at 70 DEG C, then rinsed with deionized water, in room temperature
Under dry；
(3) glass fibre cotton after drying is put into graphene oxide dispersion and is sufficiently impregnated 1.5 hours, spend from
It is dried after sub- water rinsing, places into chitosan solution and be sufficiently impregnated 1.5 hours, dried after rinsing, repeated this process 8 times,；
(4) glass fibre cotton after drying is restored using graphene oxide of the ultraviolet curing method to its surface,
Obtain the modified glass fibre cotton of graphene；
(5) the modified glass fibre cotton of graphene is put into standard fibers fluffer, setting rotation speed is 20000r/
Min is stirred 45 minutes；
(6) the modified glass fibre cotton solution of the graphene after stirring is poured into paper machine, by copy paper molding, sufficiently
Graphene modified glass-fiber paper is obtained after drying.
The concentration of graphene oxide dispersion described in step (2) is 2mg/mL, is that water is added in graphene oxide powder
It is middle to obtain after ultrasonic disperse 3 hours.
Described in step (2) by the mass fraction of chitosan solution be 2%, be that volume fraction is dissolved in by Chitosan powder
Obtained in acetum for 2%.
Power setting is 2200W, a length of 365nm of light wave in ultraviolet curing method described in step (4).
Embodiment 2
A kind of preparation method of graphene modified glass-fiber paper, including the following steps:
(1) glass fibre cotton is prepared using centrifugal injection method or burner blowing process, fibre length is 5~50mm, and fiber is straight
Diameter is 1~10 μm；
(2) suitable glass fibre cotton is chosen, it is poly- that the cationic surface finishing agent that concentration is 40g/L is placed in after shredding
It is sufficiently impregnated in aziridine, while being carried out heating water bath 2 hours at 65 DEG C, then rinsed with deionized water, at room temperature
It dries；
(3) glass fibre cotton after drying is put into graphene oxide dispersion and is sufficiently impregnated 1.5 hours, spend from
It is dried after sub- water rinsing, places into chitosan solution and be sufficiently impregnated 1.5 hours, dried after rinsing, repeat this process 10
It is secondary,；
(4) glass fibre cotton after drying is restored using graphene oxide of the ultraviolet curing method to its surface,
Obtain the modified glass fibre cotton of graphene；
(5) the modified glass fibre cotton of graphene is put into standard fibers fluffer, setting rotation speed is 25000r/
Min is stirred 40 minutes；
(6) the modified glass fibre cotton solution of the graphene after stirring is poured into paper machine, by copy paper molding, sufficiently
Graphene modified glass-fiber paper is obtained after drying.
The concentration of graphene oxide dispersion described in step (2) is 3mg/mL, is that water is added in graphene oxide powder
It is middle to obtain after ultrasonic disperse 3 hours.
Described in step (2) by the mass fraction of chitosan solution be 3%, be that volume fraction is dissolved in by Chitosan powder
Obtained in acetum for 2%.
Power setting is 2000W, a length of 365nm of light wave in ultraviolet curing method described in step (4).
It above are only two specific embodiments of the invention, but the design concept of the present invention is not limited to this, all benefits
It is made a non-material change to the present invention with this design, should belong to the behavior for invading the scope of protection of the invention.But it is all
Without departing from the content of technical solution of the present invention, according to the technical essence of the invention any type of letter to the above embodiments
Single modification, equivalent variations and remodeling, still fall within the protection scope of technical solution of the present invention.
Claims (4)
1. a kind of preparation method of graphene modified glass-fiber paper, it is characterised in that include the following steps:
(1) glass fibre cotton is prepared using centrifugal injection method or burner blowing process, fibre length is 5~50mm, fibre diameter 1
~10 μm；
(2) suitable glass fibre cotton is chosen, it is poly- that the cationic surface finishing agent that concentration is 20~50g/L is placed in after shredding
It is sufficiently impregnated in aziridine, while being carried out heating water bath 1~2 hour at 50~80 DEG C, then rinsed with deionized water,
It dries at room temperature；
(3) glass fibre cotton after drying is put into graphene oxide dispersion and is sufficiently impregnated 1~2 hour, use deionization
It is dried after water rinsing, places into chitosan solution and be sufficiently impregnated 1~2 hour, dried after rinsing, repeat this process 5~10
It is secondary；
(4) glass fibre cotton after drying is restored using graphene oxide of the ultraviolet curing method to its surface, is obtained
The modified glass fibre cotton of graphene；
(5) the modified glass fibre cotton of graphene being put into standard fibers fluffer, setting rotation speed is 10000~
30000r/min is stirred 20~50 minutes；
(6) the modified glass fibre cotton solution of the graphene after stirring is poured into paper machine, by copy paper molding, sufficiently drying
After obtain graphene modified glass-fiber paper.
2. a kind of preparation method of graphene modified glass-fiber according to claim 1, it is characterised in that in step (2)
The concentration of the graphene oxide dispersion is 1~5mg/mL, is added to the water graphene oxide powder by ultrasonic disperse 2
It is obtained after~5 hours.
3. a kind of preparation method of graphene modified glass-fiber according to claim 1, it is characterised in that in step (2)
The mass fraction by chitosan solution is 0.5~5%, is the acetic acid for being dissolved in volume fraction by Chitosan powder and being 2%
Obtained in solution.
4. a kind of preparation method of graphene modified glass-fiber according to claim 1, it is characterised in that in step (4)
Power setting is 1500~2500W, a length of 365nm of light wave in the ultraviolet curing method.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110407602A (en) * | 2019-07-16 | 2019-11-05 | 中国建筑材料科学研究总院有限公司 | Conductive honeycomb silicon carbide and preparation method thereof |
| CN113215817A (en) * | 2021-06-18 | 2021-08-06 | 吴江市南麻恒兴丝织厂 | Preparation method of gabardine fabric with flame retardant function |
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Application publication date: 20181228 |