CN110029524B - Utilize the method for discarded cotton fabric preparation high-performance Bactericidal paper - Google Patents
Utilize the method for discarded cotton fabric preparation high-performance Bactericidal paper Download PDFInfo
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- CN110029524B CN110029524B CN201910358478.4A CN201910358478A CN110029524B CN 110029524 B CN110029524 B CN 110029524B CN 201910358478 A CN201910358478 A CN 201910358478A CN 110029524 B CN110029524 B CN 110029524B
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- Prior art keywords
- paper
- cotton fabric
- chitosan
- titanium dioxide
- discarded cotton
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/02—Methods of beating; Beaters of the Hollander type
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- 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
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/36—Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters
-
- 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
- D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
- D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
- D21H17/45—Nitrogen-containing groups
-
- 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
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of methods using discarded cotton fabric preparation high-performance Bactericidal paper.The present invention constructs it and is conducive to improve bacteriostasis and the retention in page for core-shell structure firstly, chitosan/nanometer titanium dioxide composite material is the compound of typical biology base bacteriostatic agent and inorganic antibacterial agent material.Secondly, graphene is compound with polyvinyl alcohol, there is antibacterial humidification and hydrophobic function.Finally, based on Self assembly technology by cationic polyacrylamide, chitosan/nano-titanium dioxide, polyvinyl alcohol/graphene alternating deposit, be adsorbed on profit rise, the fiber surface of wire-dividing broom purification, manufacture paper with pulp to obtain high performance paper through wet process.The Combination Design of antibacterial filler of the invention and its process of manufacturing paper with pulp can guarantee to add the various functional stuffings in paper pulp with good retention, have environment friendly, excellent paper strength and superpower waterproof ability according to this method Bactericidal paper produced.
Description
Technical field
The invention belongs to functional papers and speciality paper field, and in particular to a kind of antibacterial using discarded cotton fabric preparation high-performance
The method of paper.
Background technique
Currently, textile service life constantly shortens, fiber consumption is dramatically increased per capita, and textile fabric raw material
Supply be but difficult to be continuously after.At the same time, every year is incinerated or is buried with ten million ton of waste textile, recycling and reusing
Rate results in waste of resources and environmental pollution less than 1%.Therefore, a kind of waste cotton fabric recovery and reuse technology is explored to compel in eyebrow
Eyelash.
Meanwhile demand of the development and consumer maked rapid progress with paper for daily use industry to fine tissue is more next
It is more obvious, common paper for daily use is no longer satisfied consumer demand, and it is more next to have high-intensitive, antibacterial, waterproof paper
More by the favor of consumer.Therefore, using waste cotton fabric as raw material prepare high-performance Bactericidal paper, have Important Economic benefit and
Social benefit.
Currently, generally speaking bacteria resistance function paper product is also in the primary research stage, the main direction of studying of Bactericidal paper is concentrated
In using plant fiber as the antibacterial material of substrate and Bactericidal paper, but it is main be all a certain amount of inorganic antibacterial material of addition, it is organic
Antibacterial material or natural bacteriostatic material, not only bill of materials one, fungistatic effect are insufficient, but also since paper product is manufactured paper with pulp the influence meeting of process
Bacteriostatic agent stability is caused to decline, so that expected effect be not achieved；And the preparation of high-performance Bactericidal paper, essentially consist in paper pulp fibre
The Combination Design and its process of manufacturing paper with pulp (addition manner including auxiliary agent, filler) of dimension and antibacterial filler.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of sides using discarded cotton fabric preparation high-performance Bactericidal paper
Method:
The specific technical solution of the present invention is:
Step (1): being cut into fragment for discarded cotton fabric, impregnates, mashing, screening slagging-off, forms slurry after dehydration and seal
It is spare.
Step (2): weighing the above-mentioned slurry of certain mass, and a certain amount of cationic polyacrylamide CPAM(is added to exhausted
Dry finish), the pH value of regulation system discongests rear standing adsorption for a period of time.
Step (3): after chitosan/nanometer titanium dioxide composite material of certain mass is added to step (2) standing
In slurry and regulation system pH value, discongest rear standing adsorption for a period of time.
Step (4): polyvinyl alcohol/graphene composite material of certain mass is added to the slurry after step (3) are stood
In and regulation system pH value, discongest rear standing adsorption and obtain mixing slurry for a period of time.
Step (5): it manufactures paper with pulp step (4) obtained mixing slurry to obtain high-performance Bactericidal paper through wet process.
Furtherly, the pulp making operations specifically: firstly, discarded cotton fabric is cut into the fragment of 20mm × 20mm,
Impregnate 30min；Secondly, being beaten using Valley beater, fibre stuff is beaten to 30 ° of SR by beating consistency 2%；Again, into
Row screening slagging-off；Finally, dehydration sealing is spare.
Furtherly, the CPAM dosage is 0.08%(to oven dry stock), the pH value of regulation system is 7.5,1800r/
Min discongests standing adsorption 10min after 10min.
Furtherly, the chitosan/nanometer titanium dioxide composite material is devised using methyl orange as template
Porous chitosan microball, then nano-titanium dioxide is supported on made from chitosan surface, chitosan/nano-titanium dioxide is multiple
Condensation material additive amount be 0.5 ~ 1%(to oven dry stock), chitosan, nano-titanium dioxide mass ratio be 1:1, the pH of regulation system
Value is that 6.5,2500r/min discongests standing adsorption 15min after 10min.
Furtherly, the polyvinyl alcohol/graphene composite material additive amount is 0.5 ~ 1%(to oven dry stock), polyethylene
Alcohol, graphene ratio be 2:1, the pH value of regulation system is that 7,1800r/min discongests standing adsorption 15min after 10min.
Beneficial effects of the present invention:
Firstly, chitosan/nanometer titanium dioxide composite material is typical biology base bacteriostatic agent and inorganic antibacterial agent material
It is compound, construct it and be conducive to improve bacteriostasis and the retention in page for core-shell structure.
Secondly, graphene also has bacteriostasis, and it is compound with PVAC polyvinylalcohol, there is antibacterial humidification and dredge
Water function.
Finally, being based on Self assembly technology for CPAM, chitosan/nano-titanium dioxide, polyvinyl alcohol/graphene
Alternating deposit, be adsorbed on profit rise, the fiber surface of wire-dividing broom purification, manufacture paper with pulp to obtain high performance paper through wet process.
Compared with prior art, the Combination Design of antibacterial filler of the invention and its process of manufacturing paper with pulp can guarantee addition in paper
Various functional stuffings in slurry have good retention, have good paper strength according to this method Bactericidal paper produced
And waterproof ability.
Specific embodiment
Below with reference to embodiment, the invention will be further described.
The present invention is based on Self assembly principle for CPAM, chitosan/nano-silica using discarded cotton fabric as raw material
Change titanium, polyvinyl alcohol/graphene alternating deposit, be adsorbed on profit rise, the fiber surface of wire-dividing broom purification, be conducive to enhance intensity, add
Add sequence different, polyvinyl alcohol is adsorbed in outermost layer, has certain hydrophobicity.Firstly, the present invention using it is porous, have nucleocapsid
Chitosan/nanometer titanium dioxide composite material of structure: on the one hand, the partial size of microballoon is larger, is conducive to bacteriostatic agent in page
It keeps；On the other hand, porous structure can effectively increase its contact area, to improve the bacteriostasis effect of bacteriostatic agent.
Secondly, using polyvinyl alcohol/graphene composite material: on the one hand, being conducive to strengthen antibacterial, enhancing page；It on the other hand, can be with
The hydrophobic layer that even compact is constructed for paper, improves the water-resistance of Bactericidal paper.
Embodiment 1:
Firstly, discarded cotton fabric to be cut into the fragment of 20mm × 20mm, 30min is impregnated；It is beaten, is beaten using Valley beater
Starching concentration is 2%, and fibre stuff is beaten to 30 ° of SR；Utilize fibre classifier screening and removing impurities；Dehydration sealing is spare；Secondly, claiming
Take the above-mentioned slurry of certain mass, 0.08%(be added to oven dry stock) CPAM, the pH value of regulation system is 7.5,1800r/min
Standing 10min obtains mixing slurry A after discongesting absorption 10min；Again, by 1%(to oven dry stock) chitosan/nano-titanium dioxide
Composite material is added in the mixing slurry A after the above-mentioned standing of step and the pH value of regulation system is that 6.5,2500r/min is discongested
Standing adsorption 15min obtains mixing slurry B after 10min；Then, take 1%(to oven dry stock) polyvinyl alcohol/graphene composite material
It is added in the mixing slurry B after standing and the pH value of regulation system is that 7,1800r/min discongests standing adsorption 15min after 10min
Obtain mixing slurry C；Finally, mixing slurry C is manufactured paper with pulp to obtain high-performance Bactericidal paper through wet process.
Embodiment 2:
Firstly, discarded cotton fabric to be cut into the fragment of 20mm × 20mm, 30min is impregnated；It is beaten, is beaten using Valley beater
Starching concentration is 2%, and fibre stuff is beaten to 30 ° of SR；Utilize fibre classifier screening and removing impurities；Dehydration sealing is spare；Secondly, claiming
Take the above-mentioned slurry of certain mass, 0.08%(be added to oven dry stock) CPAM, the pH value of regulation system is 7.5,1800r/min
Standing 10min obtains mixing slurry A after discongesting absorption 10min；Again, by 0.8%(to oven dry stock) chitosan/nanometer titanium dioxide
Titanium composite material is added in the mixing slurry A after the above-mentioned standing of step and the pH value of regulation system is that 6.5,2500r/min is discongested
Standing adsorption 15min obtains mixing slurry B after 10min；Then, take 0.8%(to oven dry stock) polyvinyl alcohol/graphene composite wood
Material is added in the mixing slurry B after standing and the pH value of regulation system is that 7,1800r/min discongests standing adsorption after 10min
15min obtains mixing slurry C；Finally, mixing slurry C is manufactured paper with pulp to obtain high-performance Bactericidal paper through wet process.
Embodiment 3:
Firstly, discarded cotton fabric to be cut into the fragment of 20mm × 20mm, 30min is impregnated；It is beaten, is beaten using Valley beater
Starching concentration is 2%, and fibre stuff is beaten to 30 ° of SR；Utilize fibre classifier screening and removing impurities；Dehydration sealing is spare；Secondly, claiming
Take the above-mentioned slurry of certain mass, 0.08%(be added to oven dry stock) CPAM, the pH value of regulation system is 7.5,1800r/min
Standing 10min obtains mixing slurry A after discongesting absorption 10min；Again, by 0.5%(to oven dry stock) chitosan/nanometer titanium dioxide
Titanium composite material is added in the mixing slurry A after the above-mentioned standing of step and the pH value of regulation system is that 6.5,2500r/min is discongested
Standing adsorption 15min obtains mixing slurry B after 10min；Then, take 0.5%(to oven dry stock) polyvinyl alcohol/graphene composite wood
Material is added in the mixing slurry B after standing and the pH value of regulation system is that 7,1800r/min discongests standing adsorption after 10min
15min obtains mixing slurry C；Finally, mixing slurry C is manufactured paper with pulp to obtain high-performance Bactericidal paper through wet process.
Claims (6)
1. using the method for discarded cotton fabric preparation high-performance Bactericidal paper, based on Self assembly technology to discard cotton fabric
High-performance Bactericidal paper is prepared for raw material, it is characterised in that is included the following steps:
Step (1): being cut into fragment for discarded cotton fabric, impregnates, mashing, screening slagging-off, forms slurry after dehydration and seal spare；
Step (2): weighing the above-mentioned slurry of certain mass, and a certain amount of cationic polyacrylamide, the pH of regulation system is added
Value, discongests rear standing adsorption for a period of time；
Step (3): chitosan/nanometer titanium dioxide composite material of certain mass is added to the slurry after step (2) are stood
In and regulation system pH value, discongest rear standing adsorption for a period of time；
Step (4): polyvinyl alcohol/graphene composite material of certain mass is added in the slurry after step (3) are stood simultaneously
The pH value of regulation system discongests rear standing adsorption and obtains mixing slurry for a period of time；
Step (5): it manufactures paper with pulp step (4) obtained mixing slurry to obtain high-performance Bactericidal paper through wet process.
2. the method according to claim 1 using discarded cotton fabric preparation high-performance Bactericidal paper, which is characterized in that step
(1) specifically: firstly, discarded cotton fabric to be cut into the fragment of 20mm × 20mm, impregnate 30min；Secondly, using Valley beater
Fibre stuff is beaten to 30 ° of SR by mashing, beating consistency 2%；Again, screening slagging-off is carried out；Finally, dehydration sealing is spare.
3. the method according to claim 1 using discarded cotton fabric preparation high-performance Bactericidal paper, which is characterized in that step
(2) cationic polyacrylamide described in is 0.08% relative to the dosage of oven dry stock, and the pH value of regulation system is 7.5,
Standing adsorption 10min after 10min is discongested under 1800r/min revolving speed.
4. the method according to claim 1 using discarded cotton fabric preparation high-performance Bactericidal paper, which is characterized in that step
(3) chitosan/nanometer titanium dioxide composite material described in is that it is micro- to devise porous chitosan using methyl orange as template
Ball, then nano-titanium dioxide is supported on made from chitosan surface, chitosan/nanometer titanium dioxide composite material is relative to exhausted
The additive amount of dry pulp is 0.5 ~ 1%, chitosan, nano-titanium dioxide mass ratio be 1:1, the pH value of regulation system is 6.5,
Standing adsorption 15min after 10min is discongested under 2500r/min revolving speed.
5. the method according to claim 1 using discarded cotton fabric preparation high-performance Bactericidal paper, which is characterized in that step
(4) polyvinyl alcohol/graphene composite material described in is 0.5 ~ 1% relative to the additive amount of oven dry stock, polyvinyl alcohol, graphene
Ratio be 2:1, the pH value of regulation system is 7, and standing adsorption 15min after 10min is discongested under 1800r/min revolving speed.
6. the method according to claim 1 using discarded cotton fabric preparation high-performance Bactericidal paper, which is characterized in that step
(5) the quantification of 120g/m of resulting page2。
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| CN201910358478.4A CN110029524B (en) | 2019-04-30 | 2019-04-30 | Utilize the method for discarded cotton fabric preparation high-performance Bactericidal paper |
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| CN110029524A CN110029524A (en) | 2019-07-19 |
| CN110029524B true CN110029524B (en) | 2019-10-25 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113389081B (en) * | 2021-06-15 | 2023-12-05 | 黔南高新区绿色化工技术研究院有限公司 | Composite hybrid material modified calcium sulfate whisker, preparation method thereof and application thereof in papermaking |
| CN113951275A (en) * | 2021-10-28 | 2022-01-21 | 湖北真诚纸业有限公司 | Novel bactericide for papermaking |
| CN113914126B (en) * | 2021-11-08 | 2022-12-20 | 华邦特西诺采新材料股份有限公司 | Nano composite material and application thereof in preparing plain decorative base paper |
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Address after: 417 Xicheng Road, Zeguo Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: TAIZHOU HAOZHAN BABY PRODUCTS Co.,Ltd. Address before: 317523 768 Ze Yuan Road, Bian Yu village, Ze Guo Town, Wenling City, Taizhou, Zhejiang. Patentee before: TAIZHOU HAOZHAN BABY PRODUCTS Co.,Ltd. |
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Denomination of invention: Preparation of high performance antibacterial paper from waste cotton fabric Effective date of registration: 20210915 Granted publication date: 20191025 Pledgee: Zhejiang Tyrone commercial bank Limited by Share Ltd. Taizhou Wenling branch Pledgor: TAIZHOU HAOZHAN BABY PRODUCTS Co.,Ltd. Registration number: Y2021330001614 |
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