CN111926608A - Ecological preparation method of hydrophobic paper pulp fibers with antibacterial, mildewproof and enhancement functions - Google Patents

Ecological preparation method of hydrophobic paper pulp fibers with antibacterial, mildewproof and enhancement functions Download PDF

Info

Publication number
CN111926608A
CN111926608A CN202010748324.9A CN202010748324A CN111926608A CN 111926608 A CN111926608 A CN 111926608A CN 202010748324 A CN202010748324 A CN 202010748324A CN 111926608 A CN111926608 A CN 111926608A
Authority
CN
China
Prior art keywords
paper pulp
antibacterial
paper
mildewproof
beaker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010748324.9A
Other languages
Chinese (zh)
Inventor
张建锋
康毅云
曹伟伟
仲成法
仲成虎
穆世田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Chuangtong Daily Necessities Co Ltd
Original Assignee
Nantong Chuangtong Daily Necessities Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nantong Chuangtong Daily Necessities Co Ltd filed Critical Nantong Chuangtong Daily Necessities Co Ltd
Priority to CN202010748324.9A priority Critical patent/CN111926608A/en
Publication of CN111926608A publication Critical patent/CN111926608A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • D21H17/02—Material of vegetable origin
    • 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
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/14—Carboxylic acids; Derivatives thereof
    • 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
    • D21H17/22—Proteins
    • 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

Landscapes

  • Paper (AREA)

Abstract

The invention discloses an ecological preparation method of hydrophobic paper pulp fibers with antibacterial, mildewproof and enhancement functions, which comprises the following steps: the method comprises the following steps: preparing a paper pulp mixture, namely placing paper pulp in a beaker, sequentially adding chitosan, ethyl caffeate, natural collagen and the effective components of the antibacterial plant wormwood, adding a buffer solution with the pH value of 5, and stirring and mixing uniformly; step two: performing laccase catalytic modification, namely putting a beaker in a water bath at 50 ℃, adding a laccase solution into the beaker, reacting, and continuously stirring; step three: sheet making, namely repeatedly washing paper pulp by using deionized water until filtrate is neutral, centrifuging the paper pulp, putting the paper pulp into a sealing bag to balance moisture, adopting a paper sheet former to make a sheet to obtain a sample, and then drying the sample; step four: and (4) testing the sample. According to the invention, the paper pulp fiber is modified under the action of laccase by selecting natural antibacterial components of chitosan, natural collagen, caffeic acid ethyl ester and plant effective components, so that the paper pulp fiber with antibacterial, mildew-proof, reinforcing and hydrophobic functions can be obtained.

Description

Ecological preparation method of hydrophobic paper pulp fibers with antibacterial, mildewproof and enhancement functions
Technical Field
The invention relates to an ecological preparation method of hydrophobic paper pulp fibers with antibacterial, mildewproof and enhancement functions, and belongs to the field of preparation methods of functional paper.
Background
With the requirement of ecological environment protection, the use of plastic products is more and more limited, and the application of paper materials in the aspect of people's life is more and more extensive, but because the paper materials hygroscopicity is big, can breed the bacterium in humid environment and produce the mildew, seriously influence people's use experience, make the application of paper materials receive the restriction simultaneously.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the ecological preparation method of the hydrophobic paper pulp fiber with the antibacterial and mildewproof enhancement function, and the prepared paper pulp has the antibacterial, mildewproof, enhancement and hydrophobic functions.
In order to achieve the purpose, the invention adopts the technical scheme that: an ecological preparation method of hydrophobic paper pulp fibers with antibacterial, mildewproof and enhancement functions comprises the following steps:
the method comprises the following steps: preparing a paper pulp mixture, namely placing paper pulp in a beaker, sequentially adding chitosan, ethyl caffeate, natural collagen and the effective components of the antibacterial plant wormwood, adding a buffer solution with the pH value of 5, and stirring and mixing uniformly;
step two: performing laccase catalytic modification, namely putting a beaker in a water bath at 50 ℃, adding a laccase solution into the beaker, reacting, and continuously stirring;
step three: sheet making, namely repeatedly washing paper pulp by using deionized water until filtrate is neutral, centrifuging the paper pulp, putting the paper pulp into a sealing bag to balance moisture, making sheets by using a paper sheet former to obtain a sample, and drying;
step four: and (4) testing the sample.
Further, the pulp concentration in the first step is 3-10%.
Further, the concentration of the chitosan in the step one is 1-5%.
Further, the concentration of the caffeic acid ethyl ester in the step one is 1-5%.
Further, the concentration of the natural collagen in the first step is 1-10%.
Further, the content of the laccase solution in the second step is 40-80U/g.
Further, the laccase solution in the second step is placed in a beaker for reaction for 2-24 h.
The invention has the beneficial effects that: according to the invention, the paper pulp fiber is modified under the action of laccase by selecting materials such as natural antibacterial components chitosan, natural collagen, caffeic acid ethyl ester and plant effective components, so that the paper pulp fiber with antibacterial, mildew-proof, reinforcing and hydrophobic functions is obtained, and the paper pulp fiber is used for making preservative paper, packing paper, paper cups, wallpaper and the like, and is used as a substitute of plastic products to meet the living requirements of people.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by examples below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
The invention relates to an ecological preparation method of hydrophobic paper pulp fibers with antibacterial, mildewproof and enhancement functions, which is characterized by comprising the following steps:
the method comprises the following steps: preparing a paper pulp mixture, namely placing paper pulp in a beaker, sequentially adding chitosan, ethyl caffeate, natural collagen and the effective components of the antibacterial plant wormwood, adding a buffer solution with the pH value of 5, and stirring and mixing uniformly;
step two: performing laccase catalytic modification, namely putting a beaker in a water bath at 50 ℃, adding a laccase solution into the beaker, reacting, and continuously stirring;
step three: sheet making, namely repeatedly washing paper pulp by using deionized water until filtrate is neutral, centrifuging the paper pulp, putting the paper pulp into a sealing bag to balance moisture, making sheets by using a paper sheet former to obtain a sample, and drying;
step four: and (4) testing the sample.
The concentration of the paper pulp in the step one is 3-10%. The concentration of the chitosan in the step one is 1-5%. The concentration of caffeic acid ethyl ester in the step one is 1-5%. The concentration of the natural collagen in the first step is 1-10%. The content of the laccase solution in the second step is 40-80U/g. And placing the laccase solution in the second step into a beaker for reaction for 2-24 h.
Example 1:
step 1, preparing a pulp mixture: placing paper pulp with concentration of 4% in a beaker, sequentially adding chitosan 2%, ethyl caffeate 5%, natural collagen 3% (the dosage is respectively the dry weight of the paper pulp), antibacterial plant folium Artemisiae Argyi effective component 5%, adding buffer solution with pH of 5, stirring and mixing uniformly.
Step 2, laccase catalytic modification: and (3) placing the beaker in a water bath at 50 ℃, adding 60U/g laccase solution into the beaker, reacting for 4 hours, and continuously stirring.
Step 3, sheet making: repeatedly washing paper pulp with deionized water until filtrate is neutral, centrifuging the paper pulp, placing the paper pulp into a sealed bag to balance water, and making into sheet with a paper former to obtain 80g/m2And then dried.
Step 4, sample testing: the capillary imbibition height is 1.1 cm; the tensile index was 10.6 N.m/g.
Example 2:
step 1, preparing a pulp mixture: placing 6% pulp in a beaker, sequentially adding 4% chitosan, 5% ethyl caffeate, 2% natural collagen (the dosage is respectively the dry weight of the pulp), 5% effective components of antibacterial plant mint, adding a buffer solution with pH of 5, and stirring and mixing uniformly.
Step 2, laccase catalytic modification: and (3) placing the beaker in a water bath at 50 ℃, adding 50U/g laccase solution into the beaker, reacting for 6 hours, and continuously stirring.
Step 3, sheet making: repeatedly washing paper pulp with deionized water until filtrate is neutral, centrifuging the paper pulp, placing the paper pulp into a sealed bag to balance water, and making into sheets with a paper sheet former to obtain 100g/m2And then dried.
And (3) sample testing: the capillary liquid absorption height is 0.6 cm; the tensile index was 9.4 N.m/g.
Example 3:
step 1, preparing a pulp mixture: placing paper pulp with the concentration of 3% in a beaker, sequentially adding 3% of chitosan, 3% of caffeic acid ethyl ester and 6% of natural collagen (the dosage is respectively the dry weight of the paper pulp), adding a buffer solution with the pH value of 5, and stirring and mixing uniformly.
Step 2, laccase catalytic modification: and (3) placing the beaker in a water bath at 50 ℃, then adding 60U/g laccase solution into the beaker, reacting for 4 hours, and continuously stirring.
Step 3, sheet making: repeatedly washing paper pulp with deionized water until filtrate is neutral, centrifuging the paper pulp, placing the paper pulp into a sealed bag to balance water, and making into sheet with a paper former to obtain 80g/m2And then dried.
Step 4, sample testing: the capillary liquid absorption height is 1.4 cm; the tensile index was 8.2 N.m/g.
Laccase is selected as a biocatalyst, chitosan, natural collagen materials and caffeic acid ethyl ester which are natural antibacterial active ingredients are catalyzed and jointly mapped for paper pulp fibers, covalent bond connection is formed between free amino on the chitosan and oxide of the caffeic acid ethyl ester through laccase modification, amino and phenolic hydroxyl contained in a collagen structure also generate free radicals under the catalysis of the laccase and are covalently combined with the chitosan and the caffeic acid ethyl ester to form macromolecules, meanwhile, the combination of the collagen fibers and the paper pulp fibers is increased under the action of the laccase, the physical and mechanical strength of the paper pulp fibers is improved, the antibacterial, mildew-proof, reinforced and hydrophobic functional paper pulp fibers are obtained, and fresh-keeping paper, packing paper, paper cups, wallpaper and the like are manufactured and used as substitutes of plastic products to meet the living needs of people.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (7)

1. An ecological preparation method of hydrophobic paper pulp fibers with antibacterial, mildewproof and enhancement functions is characterized by comprising the following steps:
the method comprises the following steps: preparing a paper pulp mixture, namely placing paper pulp in a beaker, sequentially adding chitosan, ethyl caffeate, natural collagen and the effective components of the antibacterial plant wormwood, adding a buffer solution with the pH value of 5, and stirring and mixing uniformly;
step two: performing laccase catalytic modification, namely putting a beaker in a water bath at 50 ℃, adding a laccase solution into the beaker, reacting, and continuously stirring;
step three: sheet making, namely repeatedly washing paper pulp by using deionized water until filtrate is neutral, centrifuging the paper pulp, putting the paper pulp into a sealing bag to balance moisture, making sheets by using a paper sheet former to obtain a sample, and drying;
step four: sample testing
Capillary wicking test: cutting the paper into 15mm by 250m samples;
at room temperature, after a paper pattern is clamped on a paper clamper, deionized water is added into a container, and the lower edge of the paper pattern is immersed into water for 5mm in the vertical direction;
measuring the height (mm) of deionized water climbing along the paper sheet within 10 minutes;
and (3) testing the tensile index: preparing a sample of 15mm by 250m, testing by using an electronic tensile strength tester and calculating a tensile index;
Figure 401329DEST_PATH_IMAGE001
in the formula: y-tensile index; s-tensile strength; g-quantification; f-average tensile strength; l isW-the width of the sample.
2. The ecological preparation method of hydrophobic pulp fiber with antibacterial and mildewproof enhancement functions of claim 1, wherein the pulp concentration in the first step is 3-10%.
3. The ecological preparation method of hydrophobic pulp fiber with antibacterial and mildewproof enhancement functions of claim 1, wherein the concentration of the chitosan in the first step is 1-5%.
4. The ecological preparation method of hydrophobic pulp fiber with antibacterial and mildewproof enhancement functions of claim 1, wherein the concentration of the caffeic acid ethyl ester in the first step is 1-5%.
5. The ecological preparation method of hydrophobic pulp fiber with antibacterial and mildewproof enhancement functions of claim 1, wherein the concentration of the natural collagen in the first step is 1-10%.
6. The ecological preparation method of hydrophobic pulp fibers with antibacterial and mildewproof enhancement functions of claim 1, wherein the laccase solution in the second step is contained in an amount of 40-80U/g.
7. The ecological preparation method of hydrophobic pulp fibers with antibacterial and mildewproof enhancement functions of claim 1, wherein the laccase solution in the second step is placed in a beaker for 2 to 24 hours.
CN202010748324.9A 2020-07-30 2020-07-30 Ecological preparation method of hydrophobic paper pulp fibers with antibacterial, mildewproof and enhancement functions Pending CN111926608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010748324.9A CN111926608A (en) 2020-07-30 2020-07-30 Ecological preparation method of hydrophobic paper pulp fibers with antibacterial, mildewproof and enhancement functions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010748324.9A CN111926608A (en) 2020-07-30 2020-07-30 Ecological preparation method of hydrophobic paper pulp fibers with antibacterial, mildewproof and enhancement functions

Publications (1)

Publication Number Publication Date
CN111926608A true CN111926608A (en) 2020-11-13

Family

ID=73315522

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010748324.9A Pending CN111926608A (en) 2020-07-30 2020-07-30 Ecological preparation method of hydrophobic paper pulp fibers with antibacterial, mildewproof and enhancement functions

Country Status (1)

Country Link
CN (1) CN111926608A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1112368A (en) * 1993-06-16 1995-11-22 兰帕克公司 Paper strengthened with solubilized collagen, and method for making the same
CN105951492A (en) * 2016-05-17 2016-09-21 中国科学院青岛生物能源与过程研究所 Method for making non-heat-sealing type natural-color tea filter paper with pure wood pulp
CN108103847A (en) * 2017-12-26 2018-06-01 合肥洁诺无纺布制品有限公司 A kind of medical tissue of disinfection
CN110373939A (en) * 2019-07-08 2019-10-25 陕西科技大学 A kind of tealeaves antibacterial and deodouring paper and its preparation process

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1112368A (en) * 1993-06-16 1995-11-22 兰帕克公司 Paper strengthened with solubilized collagen, and method for making the same
CN105951492A (en) * 2016-05-17 2016-09-21 中国科学院青岛生物能源与过程研究所 Method for making non-heat-sealing type natural-color tea filter paper with pure wood pulp
CN108103847A (en) * 2017-12-26 2018-06-01 合肥洁诺无纺布制品有限公司 A kind of medical tissue of disinfection
CN110373939A (en) * 2019-07-08 2019-10-25 陕西科技大学 A kind of tealeaves antibacterial and deodouring paper and its preparation process

Similar Documents

Publication Publication Date Title
JP5968447B2 (en) Chitosan and / or chitin complex with enhanced physical properties and uses thereof
CN101509025A (en) Method of preparing bacteria cellulose composite material
CN105729600A (en) Wood waterproof agent, method for preparing wood waterproof agent, and method for preparing waterproof wood by utilizing wood waterproof agent
CN111068121B (en) Preparation method of wood-based bionic bone scaffold material
CN103302708B (en) Preparation method of novel hydrophobic wood
CN101732766B (en) Method for preparing modified coatings of imitating cell outer-layer membrane structure
CN105599085A (en) Wood and cotton fiber treating agent and preparation method and application thereof
CN106693032A (en) Preparation method of aloe polysaccharide/bacterial cellulose composite membrane for medical dressing
CN110172163A (en) A method of fibroin albumen-tyrasamine modified hyaluronic acid hydrogel material is prepared based on physical-chemical double cross connection
CN105601960B (en) A kind of preparation method of surface-crosslinked modified bamboo fibre
CN103102512A (en) Chitosan-fullerene compound and preparation method
CN109137133A (en) A kind of preparation method of loofah fiber element/chitosan composite fiber
CN107286360A (en) Laccase Catalyzed oxidation jute grafting gallate series monomers methods of hydrophobilization
CN111926608A (en) Ecological preparation method of hydrophobic paper pulp fibers with antibacterial, mildewproof and enhancement functions
CN114644782A (en) Composite refined oil film based on corn straw nano-cellulose
CN105195116B (en) A kind of beta cyclodextrin modifies the preparation method of porous dextrangel adsorbent
CN110039627B (en) Preparation method of vegetable oil/wax composite emulsion wood waterproofing agent
CN110183566B (en) Bentonite composite methacrylic acid polymer high-strength water absorbent and preparation method thereof
CN115317673B (en) Bionic polyurethane catheter with anti-venous thrombosis effect
CN106378843A (en) Furfuralcohol polymer impregnated wood material and preparation method thereof
CN109972385A (en) A kind of surface treatment method of bamboo and woods fiber
CN115895020A (en) Method for preparing hydrophobic aerogel based on coconut shell cellulose crosslinked chitosan
CN112853807B (en) Modified acrylic resin slow-release antibacterial agent and preparation method and application thereof
CN106217537A (en) The simple and easy method that a kind of Lignum seu Ramulus Cunninghamiae Lanceolatae surface hydrophobicity is modified
CN112972750A (en) Antibacterial and disinfectant nanofiber medical dressing and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20201113