CN109468873A - A kind of modified acrylic fibre paper base rubber composite seal preparation method - Google Patents

A kind of modified acrylic fibre paper base rubber composite seal preparation method Download PDF

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Publication number
CN109468873A
CN109468873A CN201811316162.0A CN201811316162A CN109468873A CN 109468873 A CN109468873 A CN 109468873A CN 201811316162 A CN201811316162 A CN 201811316162A CN 109468873 A CN109468873 A CN 109468873A
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China
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relative
mass percent
bone dry
dry fiber
fiber
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CN201811316162.0A
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Inventor
夏新兴
潘娇静
郭爱莲
曹煜成
黄善聪
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Priority to CN201811316162.0A priority Critical patent/CN109468873A/en
Publication of CN109468873A publication Critical patent/CN109468873A/en
Pending legal-status Critical Current

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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
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/12—Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/18—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylonitriles
    • 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
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/26—Polyamides; Polyimides
    • 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
    • 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
    • D21H17/66—Salts, e.g. alums
    • 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
    • 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)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Sealing Material Composition (AREA)
  • Paper (AREA)

Abstract

The present invention relates to a kind of high-performance modified polypropylene nitrile fiber paper base rubber composite seal preparation methods.First will be cooling after polyacryl-nitrile dissolving pulp-like fibre and NaOH solution, absolute ethyl alcohol and stirring uniformly rear water bath with thermostatic control, it is neutralized to PH6-7 with acetic acid, is dried after being washed with deionized, modified acrylic fibre is made.Then Fanglun slurry cake, FKF compound mineral fiber, Lapinus mineral fibres, needle-leaved wood fibre, modified acrylic fibre are discongested in water, then talcum powder, expanded graphite, calcium carbonate, aluminum sulfate, styrene-butadiene latex, NBR latex, sulphur compounding agent, CPAM, bentonite etc. are sequentially added, it is sufficiently stirred and is uniformly dispersed, the system of copying, squeezing, dry, vulcanization, are made paper base rubber composite seal.The present invention, which increases, retains adsorption capacity to the tiny component such as filler, further improves tensile strength, the compression recovery performance of paper base rubber seal composite material.

Description

A kind of modified acrylic fibre paper base rubber composite seal preparation method
Technical field
The invention belongs to the crossing domains of rubber industry and paper industry, are related to a kind of modified acrylic fibre paper base rubber Glue composite seal preparation method.
Background technique
Rubber packing material is a kind of composite material for being widely used in the fields such as chemical industry, petroleum, automobile and industrial machinery. Asbestos fibre is to prepare rubber packing material majority fibers raw material.Exploiting use process because of it in recent years has many-sided damage to human body Evil, has been forbidden to use.Polyacryl-nitrile dissolving pulp-like fibre is the new selection of one kind for manufacturing non-asbestos gasket material, is a kind of high branch There is the fento of loose feathery tree on chemical fibre dimension, principal fiber surface, and long fibre can be used as fibrous skeleton, and it is strong to improve anti-tensile Degree, staple fiber can be used as functional fiber reinforcing material and can accommodate other compositions.Polyacrylonitrile fibre based on smaller width, Interweave between fiber, sealing material intensity can be improved.Its fines content is high, contains a large amount of active groups, can more preferably and other Component combines, and has excellent resistance to environment, chemically-resistant and solvent resistance.Polyacrylonitrile fibre introducing sealing material is matched Processing performance can be improved, give gasket seal bigger resilience, more high-tear strength and more preferable heat resistance.
Wet process method environmental pollution of manufacturing paper with pulp is small, and product property is stablized, and yield is high, is widely used sealing material in recent years Preparation method.But it is used using polyacrylonitrile fibre when preparing sealing material as the wet process method of manufacturing paper with pulp of medium using water, polyacrylonitrile Fiber can unevenly influence seal member material properties because of its hydrophobic dispersion.By hydrolyzing hydrophilic modifying to polyacrylonitrile fibre, make Hydrophobic grouping cyano is converted into hydrophilic radical, improves polyacrylonitrile fibre hydrophily to evenly dispersed in water, further changes Kind paper base rubber seal composite material combination property.According to this thinking, the present invention will be used as master after modifying polyacrylonitrile Fiber is wanted to copy paper base rubber composite seal processed.
Summary of the invention
Using highly -branched polyacryl-nitrile dissolving pulp-like fibre as paper base rubber seal composite material majority fibers raw material, for it Hydrophobic dispersion is uneven, and the problem for causing product compression recovery performance undesirable, the invention proposes a kind of modified polyacrylonitriles Fiber paper base rubber composite seal preparation method, further increases product compression resilience and tensile strength.
The technical solution adopted for solving the technical problem of the present invention are as follows:
A kind of modified acrylic fibre paper base rubber composite seal preparation method is specific:
In terms of mass fraction, 2-5 parts of polyacryl-nitrile dissolving pulp-like fibres, 2-20 parts are added into the three-necked flask equipped with reflux unit NaOH, 2-10 parts of dehydrated alcohols, 25-60 parts of deionized waters, 60-100 DEG C of water bath with thermostatic control 10-40min, cooling after mixing evenly, It is neutralized to PH6-7 with acetic acid, modified acrylic fibre is made in 105 DEG C of drying after being washed with deionized, spare.
Take the bleached softwood wood-fibred of the mass percent 6%-15% relative to total bone dry fiber, relative to total bone dry fiber Mass percent 4%-15% mineral fibres, the aramid fiber of mass percent 4%-10% relative to total bone dry fiber, phase For the modified acrylic fibre of the mass percent 5%-30% of total bone dry fiber, 8-15min is discongested after then mixing.
The talcum powder of the mass percent 5%-30% relative to total bone dry fiber is added, is added relative to total bone dry fiber The expanded graphite of mass percent 10%-40%, relative to total bone dry fiber mass percent 5%-20% calcium carbonate, relative to The aluminum sulfate of the mass percent 3%-15% of total bone dry fiber, is uniformly mixed, and makes fiber, uniform filling dispersion, phase is added Styrene-butadiene latex for the mass percent 5%-25% of total bone dry fiber, the mass percent 5%-25% relative to total bone dry fiber NBR latex, stir evenly,
The sulphur compounding agent of the mass percent 0.5%-3% relative to total bone dry fiber is added, stirs evenly, is added relative to total The cationic polyacrylamide of the mass percent 0.05%-0.2% of bone dry fiber, discongests 2-5min；It is added relative to total over dry The bentonite of the mass percent 0.1%-0.5% of fiber, being sufficiently stirred makes it be uniformly dispersed,
Then system, squeezing, drying are copied through paper machine, 150 DEG C of vulcanizer, 10MPa vulcanization obtain 500-2000g/m2Quantitative modification Polyacrylonitrile fibre paper base rubber composite seal.
Beneficial effects of the present invention: it is irregular to solve the problems, such as that it disperses by modified acrylic fibre, further enhances Sealing material tensile strength, compression recovery performance.
Specific embodiment
The principle of the method for the present invention: highly -branched polyacryl-nitrile dissolving pulp-like fibre is the asbestos alternative haveing excellent performance.Because In its macromolecular contain a large amount of hydrophobic grouping cyano so that polyacrylonitrile fibre wet process disperse when manufacturing paper with pulp it is irregular so that sealing material Expect that performance is undesirable.By modified acrylic fibre, cyano is on the one hand made to be converted into hydrophilic radical, it is fine to improve polyacrylonitrile Hydrophily is tieed up to evenly dispersed in water, on the other hand makes polyacrylonitrile fibre because of alkali process etching surface, increases specific surface Product retains adsorption capacity to the tiny component such as filler to increase.
Technical solution of the present invention:
Firstly, preparing modified acrylic fibre: in terms of mass fraction, 2-5 is added into the three-necked flask equipped with reflux unit Part polyacryl-nitrile dissolving pulp-like fibre, 2-20 parts of NaOH, 2-10 parts of dehydrated alcohols, 25-60 parts of deionized waters, after mixing evenly 60- 100 DEG C of water bath with thermostatic control 10-40min, it is cooling, it is neutralized to PH6-7 with acetic acid, 105 DEG C of drying after being washed with deionized are made and change Property polyacrylonitrile fibre, it is spare.
The effect that dehydrated alcohol is added in hydrolytic process is to promote the hydrolysis of polyacrylonitrile fibre, so that cyano is converted into More hydrophilic radical such as carboxyls (- COOH), amide groups (- CONH2) etc..Acetic acid avoids generating for neutralizing lye effect A large amount of spent lyes make the color of polyacrylonitrile fibre gradually become white or faint yellow, and polyacrylonitrile fibre is in the water containing alkali When hydrolyzing in solution, the six annulus systems for hydrolyzing generation are increasing, and polyacrylonitrile fibre color further deepens to become pale brown Color even brownish red generates amidino groups this is because the ammonia released in basic hydrolysis can react with unhydrolysed cyano, Make fading of fiber.In being carried out with acetic acid with after, the color of polyacrylonitrile fibre gradually becomes white or faint yellow.
Polyacrylonitrile fibre hydrolyzes under the action of NaOH, and polyacrylonitrile fibre hydrolysis is that a large amount of OH-in aqueous slkali are attacked The carbon atom hit in polyacrylonitrile fibre cyano (- CN), which is had an effect, causes the fracture of three keys, adds so that a series of nucleophilics occur At reaction, make cyan-hydrolysis-CONH2,-COOH, the mix products such as-COONa.
Secondly, taking the bleached softwood wood-fibred of the mass percent 6%-15% relative to total bone dry fiber (relative to total exhausted The mass percent of dry fibers, the amount of other substances is also relative to the mass percent of total bone dry fiber below), 4%-15% Mineral fibres (mineral fibres be used cooperatively for one or both of FKF mineral fibres, Lapinus mineral fibres), 4%- 10% aramid fiber, the modified acrylic fibre of 5%-30% discongest 8-15min after then mixing, and the talcum of 5%-30% is added Powder is added the aluminum sulfate of the expanded graphite of 10%-40%, the calcium carbonate of 5%-20%, 3%-15%, is uniformly mixed, makes fiber, fills out Expect evenly dispersed, the styrene-butadiene latex of 5%-25%, the NBR latex of 5%-25% is added, stirs evenly, the sulphur that 0.5%-3% is added is matched Mixture stirs evenly, and the cationic polyacrylamide of 0.05%-0.2% is added, and discongests 2-5min, and the swollen of phase 0.1%-0.5% is added Profit soil, being sufficiently stirred makes it be uniformly dispersed.Then system, squeezing, drying are copied through paper machine, 150 DEG C of vulcanizer, 10MPa vulcanization obtain 500-2000g/m2Quantitative modified acrylic fibre paper base rubber composite seal.
Embodiment 1
Step 1: 3 parts of polyacryl-nitrile dissolving pulp-like fibres, 5 are added into the three-necked flask equipped with reflux unit in terms of mass fraction Part NaOH, 7 parts of dehydrated alcohols, 35 parts of deionized waters, 70 DEG C of water bath with thermostatic control 10min, cooling after mixing evenly, is neutralized to acetic acid Modified acrylic fibre is made in PH7,105 DEG C of drying after being washed with deionized, spare.
Step 2: taking the bleached softwood wood-fibred of the mass percent 7% relative to total bone dry fiber, relative to total over dry The FKF mineral fibres of the mass percent 7% of fiber, relative to total bone dry fiber mass percent 6% aramid fiber, opposite 9min is discongested after then the modified acrylic fibre of the mass percent 15% of total bone dry fiber mixes, is added relative to total The expansion stone of the mass percent 15% relative to total bone dry fiber is added in the talcum powder of the mass percent 10% of bone dry fiber Ink, relative to total bone dry fiber mass percent 10% calcium carbonate, relative to total bone dry fiber mass percent 5% sulphur Sour aluminium, is uniformly mixed, and makes fiber, uniform filling dispersion, the fourth of the mass percent 6% relative to total bone dry fiber is added Benzene latex, relative to total bone dry fiber mass percent 7% NBR latex, stir evenly, be added relative to total bone dry fiber Mass percent 1% sulphur compounding agent, stir evenly, be added relative to total bone dry fiber mass percent 0.1% sun Cationic polyacrylamide discongests 3min, and the bentonite of the mass percent 0.4% relative to total bone dry fiber is added, is sufficiently stirred It is made to be uniformly dispersed.
Third portion: system, squeezing, drying are copied through paper machine, 150 DEG C of vulcanizer, 10MPa vulcanization obtain 700g/m2Quantitative changes Property polyacrylonitrile fibre paper base rubber composite seal.
Embodiment 2
Step 1: in terms of mass fraction, be added into the three-necked flask equipped with reflux unit 4 parts of polyacryl-nitrile dissolving pulp-like fibres, 10 parts of NaOH, 8 parts of dehydrated alcohols, 40 parts of deionized waters, 80 DEG C of water bath with thermostatic control 20min, cooling after mixing evenly, is neutralized with acetic acid To PH6, modified acrylic fibre is made in 105 DEG C of drying after being washed with deionized, spare.
Step 2: taking the bleached softwood wood-fibred of the mass percent 11% relative to total bone dry fiber, relative to total over dry The Lapinus mineral fibres of the mass percent 10% of fiber, relative to the mass percent 8% of total bone dry fiber aramid fiber it is fine Dimension, relative to total bone dry fiber mass percent 20% modified acrylic fibre then mix after discongest 11min, be added The mass percent 25% relative to total bone dry fiber is added in the talcum powder of mass percent 15% relative to total bone dry fiber Expanded graphite, relative to total bone dry fiber mass percent 15% calcium carbonate, relative to the mass percent of total bone dry fiber 8% aluminum sulfate, is uniformly mixed, and makes fiber, uniform filling dispersion, the mass percent relative to total bone dry fiber is added 10% styrene-butadiene latex, relative to total bone dry fiber mass percent 8% NBR latex, stir evenly, be added relative to total The sulphur compounding agent of the mass percent 1.2% of bone dry fiber, stirs evenly, and the quality percentage relative to total bone dry fiber is added Cationic polyacrylamide than 0.14% discongests 4min, and the swelling of the mass percent 0.3% relative to total bone dry fiber is added Soil, being sufficiently stirred makes it be uniformly dispersed.
Third portion: system, squeezing, drying are copied through paper machine, 150 DEG C of vulcanizer, 10MPa vulcanization obtain 1000g/m2Quantitative Modified acrylic fibre paper base rubber composite seal.
Embodiment 3
Step 1: in terms of mass fraction, be added into the three-necked flask equipped with reflux unit 5 parts of polyacryl-nitrile dissolving pulp-like fibres, 15 parts of NaOH, 10 parts of dehydrated alcohols, 50 parts of deionized waters, 90 DEG C of water bath with thermostatic control 30min, cooling after mixing evenly, in acetic acid With to PH7, modified acrylic fibre is made in 105 DEG C of drying after being washed with deionized, spare.
Step 2: taking the bleached softwood wood-fibred of the mass percent 13% relative to total bone dry fiber, relative to total over dry The Lapinus mineral fibres of the mass percent 7% of fiber, relative to total bone dry fiber mass percent 7% FKF grandidierite Fibres, relative to total bone dry fiber mass percent 9% aramid fiber, relative to the mass percent of total bone dry fiber 25% modified acrylic fibre discongests 12min after then mixing, the mass percent 25% relative to total bone dry fiber is added Talcum powder, be added relative to total bone dry fiber mass percent 35% expanded graphite, relative to the quality of total bone dry fiber The calcium carbonate of percentage 18%, relative to total bone dry fiber mass percent 12% aluminum sulfate, be uniformly mixed, make fibre The styrene-butadiene latex of the mass percent 12% relative to total bone dry fiber is added, relative to total over dry fibre in dimension, uniform filling dispersion The NBR latex of the mass percent 10% of dimension, stirs evenly, and the sulphur of the mass percent 1.5% relative to total bone dry fiber is added Sulphur compounding agent, stirs evenly, and the cationic polyacrylamide of the mass percent 0.16% relative to total bone dry fiber is added, and dredges 5min is solved, the bentonite of the mass percent 0.4% relative to total bone dry fiber is added, being sufficiently stirred makes it be uniformly dispersed.
Third portion: system, squeezing, drying are copied through paper machine, 150 DEG C of vulcanizer, 10MPa vulcanization obtain 1500g/m2Quantitative Modified acrylic fibre paper base rubber composite seal.

Claims (2)

1. a kind of modified acrylic fibre paper base rubber composite seal preparation method, it is characterised in that:
In terms of mass fraction, 2-5 parts of polyacryl-nitrile dissolving pulp-like fibres, 2-20 parts are added into the three-necked flask equipped with reflux unit NaOH, 2-10 parts of dehydrated alcohols, 25-60 parts of deionized waters, 60-100 DEG C of water bath with thermostatic control 10-40min, cooling after mixing evenly, It is neutralized to PH6-7 with acetic acid, modified acrylic fibre is made in 105 DEG C of drying after being washed with deionized, spare；
Take the bleached softwood wood-fibred of the mass percent 6%-15% relative to total bone dry fiber, relative to the matter of total bone dry fiber Measure percentage 4%-15% mineral fibres, relative to total bone dry fiber mass percent 4%-10% aramid fiber, relative to The modified acrylic fibre of the mass percent 5%-30% of total bone dry fiber, discongests 8-15min after then mixing；
The talcum powder of the mass percent 5%-30% relative to total bone dry fiber is added, the quality relative to total bone dry fiber is added The expanded graphite of percentage 10%-40%, relative to total bone dry fiber mass percent 5%-20% calcium carbonate, relative to it is total absolutely The aluminum sulfate of the mass percent 3%-15% of dry fibers, is uniformly mixed, make fiber, uniform filling dispersion, be added relative to The styrene-butadiene latex of the mass percent 5%-25% of total bone dry fiber, relative to total bone dry fiber mass percent 5%-25% fourth Nitrile latex, stirs evenly；
The sulphur compounding agent of the mass percent 0.5%-3% relative to total bone dry fiber is added, stirs evenly, is added relative to total The cationic polyacrylamide of the mass percent 0.05%-0.2% of bone dry fiber, discongests 2-5min；It is added relative to total over dry The bentonite of the mass percent 0.1%-0.5% of fiber, being sufficiently stirred makes it be uniformly dispersed；
Then system, squeezing, drying are copied through paper machine, 150 DEG C of vulcanizer, 10MPa vulcanization obtain 500-2000g/m2Quantitative modification Polyacrylonitrile fibre paper base rubber composite seal.
2. a kind of modified acrylic fibre paper base rubber composite seal preparation method according to claim 1, Be characterized in that: the mineral fibres uses the combination of one or both of FKF mineral fibres, Lapinus mineral fibres.
CN201811316162.0A 2018-11-07 2018-11-07 A kind of modified acrylic fibre paper base rubber composite seal preparation method Pending CN109468873A (en)

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CN201811316162.0A CN109468873A (en) 2018-11-07 2018-11-07 A kind of modified acrylic fibre paper base rubber composite seal preparation method

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Application Number Priority Date Filing Date Title
CN201811316162.0A CN109468873A (en) 2018-11-07 2018-11-07 A kind of modified acrylic fibre paper base rubber composite seal preparation method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109837798A (en) * 2019-03-21 2019-06-04 大连工业大学 A kind of preparation method of plant fiber-based waterproof and sealing material
CN112012037A (en) * 2020-08-20 2020-12-01 浙江理工大学 Preparation method of nanofibrillar cellulose composite sealing material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109837798A (en) * 2019-03-21 2019-06-04 大连工业大学 A kind of preparation method of plant fiber-based waterproof and sealing material
CN112012037A (en) * 2020-08-20 2020-12-01 浙江理工大学 Preparation method of nanofibrillar cellulose composite sealing material

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