CN110273328A - A kind of waterproof paper and preparation method using nanometer grade thickness fibre thin layer preparation in sodium alginate - Google Patents
A kind of waterproof paper and preparation method using nanometer grade thickness fibre thin layer preparation in sodium alginate Download PDFInfo
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- CN110273328A CN110273328A CN201910662085.2A CN201910662085A CN110273328A CN 110273328 A CN110273328 A CN 110273328A CN 201910662085 A CN201910662085 A CN 201910662085A CN 110273328 A CN110273328 A CN 110273328A
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- sodium alginate
- thin layer
- fibre thin
- nanometer grade
- preparation
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F13/00—Making discontinuous sheets of paper, pulpboard or cardboard, or of wet web, for fibreboard production
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
-
- 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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Abstract
The waterproof paper and preparation method, the speciality paper that the invention discloses a kind of to be prepared using nanometer grade thickness fibre thin layer in sodium alginate are made of nanometer grade thickness fibre thin layer in sodium alginate and water resistant reinforcing agent；Wherein, fibre thin layer derives from sodium alginate derivative, and fibre thin layer and water resistant reinforcing agent mass ratio are 100:(5~40).The layer material that the present invention is dissolved out in water using sodium alginate or derivatives thereof after freeze-drying, fills water resistant reinforcing agent, and final drying compacting obtains a kind of waterproof paper prepared using nanometer grade thickness fibre thin layer in sodium alginate.Compared to conventional paper, Process of Applying Glue is eliminated, reduces the use of chemicals.Reduce the chemical treating process for sizing agent in recycling.When paper as rubbish by it is discarded when, degradation is easier.The generation of hydrophobic effect does not depend on complicated chemical reaction, and principle is simply ingenious.
Description
Technical field
The invention belongs to specialties preparation fields, especially a kind of to utilize nanometer grade thickness fibre thin layer in sodium alginate
The waterproof paper and preparation method of preparation.
Background technique
While the infrastructure service effect for giving full play to its national economy, the pollution problem of itself also causes paper industry
The attention of people.The waste pollution problem being discharged in pulping and papermaking processes is very serious, the type of pollutant multiplicity, to controlling
Reason brings serious challenge.With large quantities of utilizations for administering science and technology, the pollution problem of pulping and paper-making is alleviated.
But in the long run, at this stage in improvement scientific and technical research.And find pollution-free paper material and technique research it is few
It is again few.
Summary of the invention
The purpose of the present invention is to provide a kind of waterproof papers prepared using nanometer grade thickness fibre thin layer in sodium alginate
And preparation method, the preparation method can break traditional paper preparation process.In addition to removing copy paper technical process from, compared to conventional paper
, Process of Applying Glue is eliminated, the use of chemicals is reduced.Reduce the chemical treating process for sizing agent in recycling.When
Paper as rubbish by it is discarded when, degradation is easier.The generation of speciality paper hydrophobic effect does not depend on complicated chemical reaction, hydrophobic
It is functional.
In order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of waterproof paper prepared using nanometer grade thickness fibre thin layer in sodium alginate, the speciality paper is by receiving
Meter level thickness fibre thin layer and water resistant reinforcing agent composition；Wherein, for fibre thin layer from sodium alginate or derivatives thereof, fiber is thin
Layer is 100:(5~40 with water resistant reinforcing agent mass ratio).
The water resistant reinforcing agent is selected from hydrophobicity aerosil.
A kind of preparation method of the waterproof paper prepared using nanometer grade thickness fibre thin layer in sodium alginate, including it is following
Step:
It is configured to sodium alginate or derivatives thereof solution, standing is swollen to obtain gel；And it is transferred to cold-trap, turn after constant temperature processing
Move to freeze-drying, it is ensured that be completely dried, obtain microcosmic orderly poroid cavernous body；
Water resistant reinforcing agent is uniformly distributed in surface and the internal voids of the poroid cavernous body of microcosmic thin layer, is filled
The poroid cavernous body of water resistant reinforcing agent；
The poroid cavernous body of filling water resistant reinforcing agent is dried compacting, obtains waterproof paper.
As a further improvement of the present invention, the concentration of described sodium alginate or derivatives thereof solution is 0.5-2%.
As a further improvement of the present invention, the water resistant reinforcing agent is selected from hydrophobicity aerosil.
As a further improvement of the present invention, the poroid cavernous body and water resistant reinforcing agent mass ratio be 100:(5~
40)。
As a further improvement of the present invention, condenser temperature is -50~-30 DEG C, 4~6h of constant temperature.
As a further improvement of the present invention, the pressure of freeze-drying is 5-10Pa, 20~26h of duration.
As a further improvement of the present invention, that water resistant reinforcing agent is uniformly distributed in microcosmic thin layer by porous sieve is poroid
In the surface of cavernous body and internal voids, the porous sieve is 100~200 mesh.
As a further improvement of the present invention, the drying press temperature is to suppress at 100~110 DEG C, pressure
For 25~35Mpa.
The present invention compared with the prior art, has the advantage that
Paper-making process of the invention is generated without waste liquid, and generation environment does not pollute.Compared to conventional paper, eliminates and be glued
Journey reduces the use of chemicals.Reduce the chemical treating process for sizing agent in recycling.When paper is given up as rubbish
When abandoning, degradation is easier.The generation of speciality paper hydrophobic effect does not depend on complicated chemical reaction, and hydrophobic performance is good.
The nanometer grade thickness fibre thin layer that the present invention is dissolved out in water using sodium alginate or derivatives thereof, after freeze-drying
To microcosmic orderly poroid cavernous body, filling has hydrophobic fumed silica, finally suppresses in drying, obtains nanoscale thickness
Spend the speciality paper of fibre thin layer preparation.Whole preparation process is simple, pollution-free, and the speciality paper hydrophobic effect of preparation is good.
Detailed description of the invention
Fig. 1 is the photo of each step preparation in embodiment 1；
Fig. 2 is the cavernous body microscopic appearance for the sodium alginate soln freeze-drying being related in embodiment 1；
Fig. 3 is the filling fumed silica sodium alginate cavernous body microscopic appearance being related in embodiment 1；
Fig. 4 is the section microscopic appearance of (speciality paper) after compacting filling fumed silica sodium alginate cavernous body；
Fig. 5 is the contact angle of paper prepared by embodiment 1.
Specific embodiment
A kind of waterproof paper prepared using nanometer grade thickness fibre thin layer in sodium alginate of the present invention, the speciality paper
It is made of nanometer grade thickness fibre thin layer and water resistant reinforcing agent；Wherein, fibre thin layer derives from sodium alginate derivative, fiber
Thin layer and water resistant reinforcing agent mass ratio are 100:(5~40).Water resistant reinforcing agent is selected from hydrophobicity aerosil.
The principle of the present invention are as follows: the nanometer grade thickness fiber dissolved out in water using sodium alginate or derivatives thereof is thin
Layer obtains microcosmic orderly poroid cavernous body after freeze-drying, filling has hydrophobic fumed silica, finally suppresses in drying,
Obtain the speciality paper of nanometer grade thickness fibre thin layer preparation.
Preparation method concrete operations of the invention are as follows:
First preparing sodium alginate or derivatives thereof concentration of aqueous solution is 0.5-2%；, it is spare that swelling is stood after the completion of configuration；
Acquired solution is poured into mold, and is transferred to cold-trap, is transferred to freezing after being cooled to -50~-30 DEG C and 4~6h of constant temperature processing
Pressure is adjusted in drying machine, in freeze drier to 5-10Pa, 20~26h of duration, it is ensured that be completely dried, obtain lamelliform
Poroid cavernous body.
By the porous sieve of 100~200 mesh, water resistant reinforcing agent hydrophobicity aerosil is uniformly distributed in alginic acid
In the surface of sodium or derivatives thereof cavernous body and internal voids, it is ensured that cavernous body and water resistant reinforcing agent silicon mass ratio be 100:(5~
40) filling fumed silica sodium alginate cavernous body, is obtained.The filling fumed silica sodium alginate cavernous body of preparation
It is suppressed at being 100~110 DEG C in temperature, pressure is 25~35Mpa, obtains a kind of utilizing nanometer grade thickness in sodium alginate
The waterproof paper of fibre thin layer preparation.
Compared to conventional paper, the preparation process of speciality paper of the present invention eliminates Process of Applying Glue, reduces the use of chemicals.?
Reduce the chemical treating process for sizing agent when recycling.When paper as rubbish by it is discarded when, degradation is easier.Hydrophobic effect
The generation of fruit does not depend on complicated chemical reaction, and principle is simply ingenious.
Below in conjunction with specific embodiments and the drawings, the invention will be further described:
Embodiment 1
First preparing sodium alginate or derivatives thereof solution concentration is 1.0%；, it is spare that swelling is stood after the completion of configuration；Institute
It obtains solution to pour into mold, and is transferred to cold-trap, be transferred in freeze drier after being cooled to -40 DEG C and constant temperature processing, it is ensured that
It is completely dried, obtains the poroid cavernous body of lamelliform.It is by porous sieve, water resistant reinforcing agent hydrophobicity aerosil is uniform
It is distributed in surface and the internal voids of sodium alginate or derivatives thereof cavernous body, it is ensured that sodium alginate and water resistant reinforcing agent are hydrophobic
Property fumed silica mass ratio be 100:20, obtain filling fumed silica sodium alginate cavernous body.The filling of preparation
Fumed silica sodium alginate cavernous body is suppressed at being 105 DEG C in temperature, pressure 30Mpa, is obtained a kind of using extra large
The waterproof paper that in mosanom prepared by nanometer grade thickness fibre thin layer.
Fig. 1 is the preparation process of specialties, and sodium alginate is lyophilized into cavernous body, fills hydrophobic gas on cavernous body surface
The cavernous body for filling hydrophobic fumed silica is being pressed into specialties by aerosil.Fig. 2 is that sodium alginate soln is cold
The microscopic appearance of dry rear cavernous body is lyophilized.As seen from the figure, sodium alginate strand is stretched to laminar structured, and there are also parts
Filament is presented in non-full extension.Fig. 3 is the microscopic appearance for filling fumed silica sodium alginate cavernous body.It can obtain
Surface and the pore interior of cavernous body are evenly distributed on to fumed silica.Fig. 4 is compacting filling fumed silica seaweed
The section microscopic appearance of (speciality paper) after sour sodium cavernous body.It is clear that fibre thin layer in figure, has between fibre thin layer
One fixed gap.Fig. 5 is the contact angle of the speciality paper of preparation, can be seen that contact angle is greater than 90 ° in figure, obtained speciality paper water resistant
Better performances.
Embodiment 2
First preparing sodium alginate or derivatives thereof solution concentration is 0.5%；, it is spare that swelling is stood after the completion of configuration；Institute
It obtains solution to pour into mold, and is transferred to cold-trap, be transferred in freeze drier after being cooled to -40 DEG C and constant temperature processing, it is ensured that
It is completely dried, obtains the poroid cavernous body of lamelliform.It is by porous sieve, water resistant reinforcing agent hydrophobicity aerosil is uniform
It is distributed in surface and the internal voids of sodium alginate or derivatives thereof cavernous body, it is ensured that sodium alginate and water resistant reinforcing agent are hydrophobic
Property fumed silica mass ratio be 100:15, obtain filling fumed silica sodium alginate cavernous body.The filling of preparation
Fumed silica sodium alginate cavernous body is suppressed at being 105 DEG C in temperature, pressure 30Mpa, is obtained a kind of using extra large
The waterproof paper that in mosanom prepared by nanometer grade thickness fibre thin layer.
Embodiment 3
First preparing sodium alginate or derivatives thereof solution concentration is 1.5%；, it is spare that swelling is stood after the completion of configuration；Institute
It obtains solution to pour into mold, and is transferred to cold-trap, be transferred in freeze drier after being cooled to -40 DEG C and constant temperature processing, it is ensured that
It is completely dried, obtains the poroid cavernous body of lamelliform.It is by porous sieve, water resistant reinforcing agent hydrophobicity aerosil is uniform
It is distributed in surface and the internal voids of sodium alginate or derivatives thereof cavernous body, it is ensured that sodium alginate and water resistant reinforcing agent are hydrophobic
Property fumed silica mass ratio be 100:5, obtain filling fumed silica sodium alginate cavernous body.The filling gas of preparation
Aerosil sodium alginate cavernous body is suppressed at being 105 DEG C in temperature, and pressure 30Mpa is obtained a kind of using seaweed
The waterproof paper that in sour sodium prepared by nanometer grade thickness fibre thin layer.
Embodiment 4
First preparing sodium alginate or derivatives thereof solution concentration is 2.0%；, it is spare that swelling is stood after the completion of configuration；Institute
It obtains solution to pour into mold, and is transferred to cold-trap, be transferred in freeze drier after being cooled to -40 DEG C and constant temperature processing, it is ensured that
It is completely dried, obtains the poroid cavernous body of lamelliform.It is by porous sieve, water resistant reinforcing agent hydrophobicity aerosil is uniform
It is distributed in surface and the internal voids of sodium alginate or derivatives thereof cavernous body, it is ensured that sodium alginate and water resistant reinforcing agent are hydrophobic
Property fumed silica mass ratio be 100:25, obtain filling fumed silica sodium alginate cavernous body.The filling of preparation
Fumed silica sodium alginate cavernous body is suppressed at being 105 DEG C in temperature, pressure 30Mpa, is obtained a kind of using extra large
The waterproof paper that in mosanom prepared by nanometer grade thickness fibre thin layer.
Embodiment 5
First preparing sodium alginate or derivatives thereof solution concentration is 1.0%；, it is spare that swelling is stood after the completion of configuration；Institute
It obtains solution to pour into mold, and is transferred to cold-trap, be transferred in freeze drier after being cooled to -40 DEG C and constant temperature processing, it is ensured that
It is completely dried, obtains the poroid cavernous body of lamelliform.It is by porous sieve, water resistant reinforcing agent hydrophobicity aerosil is uniform
It is distributed in surface and the internal voids of sodium alginate or derivatives thereof cavernous body, it is ensured that sodium alginate and water resistant reinforcing agent are hydrophobic
Property fumed silica mass ratio be 100:40, obtain filling fumed silica sodium alginate cavernous body.The filling of preparation
Fumed silica sodium alginate cavernous body is suppressed at being 105 DEG C in temperature, pressure 30Mpa, is obtained a kind of using extra large
The waterproof paper that in mosanom prepared by nanometer grade thickness fibre thin layer.
Embodiment 6
First preparing sodium alginate or derivatives thereof solution concentration is 0.5%；, it is spare that swelling is stood after the completion of configuration；Institute
It obtains solution to pour into mold, and is transferred to cold-trap, be transferred in freeze drier after being cooled to -50 DEG C and constant temperature 4h processing, it is cold
Pressure is adjusted in lyophilizer to 5Pa, duration 20h, it is ensured that be completely dried, obtain the poroid cavernous body of lamelliform.By 150
Water resistant reinforcing agent hydrophobicity aerosil is uniformly distributed in sodium alginate or derivatives thereof cavernous body by the porous sieve of mesh
In surface and internal voids, it is ensured that sodium alginate is 100:5 with water resistant reinforcing agent silicon mass ratio, obtains filling fumed silica
Sodium alginate cavernous body.It is suppressed at being 100 DEG C in temperature the filling fumed silica sodium alginate cavernous body of preparation,
Pressure is 25Mpa, obtains a kind of waterproof paper prepared using nanometer grade thickness fibre thin layer in sodium alginate.
Embodiment 7
First preparing sodium alginate or derivatives thereof solution concentration is 2%；, it is spare that swelling is stood after the completion of configuration；Gained
Solution pours into mold, and is transferred to cold-trap, is transferred in freeze drier, freezes after being cooled to -30 DEG C and constant temperature 6h processing
Pressure is adjusted in drying machine to 10Pa, duration 26h, it is ensured that be completely dried, obtain the poroid cavernous body of lamelliform.By 200
Water resistant reinforcing agent hydrophobicity aerosil is uniformly distributed in sodium alginate or derivatives thereof cavernous body by the porous sieve of mesh
In surface and internal voids, it is ensured that sodium alginate is 100:40 with water resistant reinforcing agent silicon mass ratio, obtains filling gas phase titanium dioxide
Silicon sodium alginate cavernous body.Suppressed at being 110 DEG C in temperature the filling fumed silica sodium alginate cavernous body of preparation and
At pressure 35Mpa obtains a kind of waterproof paper prepared using nanometer grade thickness fibre thin layer in sodium alginate.
Embodiment 8
First preparing sodium alginate or derivatives thereof solution concentration is 1%；, it is spare that swelling is stood after the completion of configuration；Gained
Solution pours into mold, and is transferred to cold-trap, is transferred in freeze drier, freezes after being cooled to -40 DEG C and constant temperature 4h processing
Pressure is adjusted in drying machine to 6Pa, duration 25h, it is ensured that be completely dried, obtain the poroid cavernous body of lamelliform.By 180 mesh
Porous sieve is uniformly distributed in water resistant reinforcing agent hydrophobicity aerosil the table of sodium alginate or derivatives thereof cavernous body
In face and internal voids, it is ensured that sodium alginate is 100:20 with water resistant reinforcing agent silicon mass ratio, obtains filling fumed silica
Sodium alginate cavernous body.It is suppressed at being 100 DEG C in temperature the filling fumed silica sodium alginate cavernous body of preparation,
Pressure is 28Mpa, obtains a kind of waterproof paper prepared using nanometer grade thickness fibre thin layer in sodium alginate.
The above content is further detailed description of the invention, and it cannot be said that a specific embodiment of the invention only
It is limited to this, for those of ordinary skill in the art to which the present invention belongs, without departing from the inventive concept of the premise, also
Several simple deduction or replace can be made, the present invention is all shall be regarded as belonging to by the claims submitted and determines protection
Range.
Claims (10)
1. a kind of waterproof paper prepared using nanometer grade thickness fibre thin layer in sodium alginate, it is characterised in that: the spy
Kind paper is made of nanometer grade thickness fibre thin layer and water resistant reinforcing agent；Wherein, fibre thin layer derives from sodium alginate or it spreads out
Biology, fibre thin layer and water resistant reinforcing agent mass ratio are 100:(5~40).
2. the waterproof paper according to claim 1 prepared using nanometer grade thickness fibre thin layer in sodium alginate, special
Sign is that the water resistant reinforcing agent is selected from hydrophobicity aerosil.
3. a kind of preparation method of the waterproof paper prepared using nanometer grade thickness fibre thin layer in sodium alginate, feature are existed
In, comprising the following steps:
It is configured to sodium alginate or derivatives thereof solution, standing is swollen to obtain gel；And it is transferred to cold-trap, it is transferred to after constant temperature processing
Freeze-drying, it is ensured that be completely dried, obtain microcosmic orderly poroid cavernous body；
Water resistant reinforcing agent is uniformly distributed in surface and the internal voids of the poroid cavernous body of microcosmic thin layer, obtains filling water resistant
The poroid cavernous body of reinforcing agent；
The poroid cavernous body of filling water resistant reinforcing agent is dried compacting, obtains waterproof paper.
4. the preparation of the waterproof paper according to claim 3 prepared using nanometer grade thickness fibre thin layer in sodium alginate
Method, which is characterized in that the concentration of described sodium alginate or derivatives thereof solution is 0.5-2%.
5. the preparation of the waterproof paper according to claim 3 prepared using nanometer grade thickness fibre thin layer in sodium alginate
Method, which is characterized in that the water resistant reinforcing agent is selected from hydrophobicity aerosil.
6. the preparation of the waterproof paper according to claim 3 prepared using nanometer grade thickness fibre thin layer in sodium alginate
Method, which is characterized in that the poroid cavernous body and water resistant reinforcing agent mass ratio is 100:(5~40).
7. the preparation of the waterproof paper according to claim 3 prepared using nanometer grade thickness fibre thin layer in sodium alginate
Method, which is characterized in that condenser temperature is -50~-30 DEG C, 4~6h of constant temperature.
8. the preparation of the waterproof paper according to claim 3 prepared using nanometer grade thickness fibre thin layer in sodium alginate
Method, which is characterized in that the pressure of freeze-drying is 5-10Pa, 20~26h of duration.
9. the preparation of the waterproof paper according to claim 3 prepared using nanometer grade thickness fibre thin layer in sodium alginate
Method, which is characterized in that by it is porous sieve water resistant reinforcing agent be uniformly distributed in the poroid cavernous body of microcosmic thin layer surface and
In internal voids, the porous sieve is 100~200 mesh.
10. the system of the waterproof paper according to claim 3 prepared using nanometer grade thickness fibre thin layer in sodium alginate
Preparation Method, which is characterized in that the drying press temperature is to suppress at 100~110 DEG C, and pressure is 25~35Mpa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910662085.2A CN110273328A (en) | 2019-07-22 | 2019-07-22 | A kind of waterproof paper and preparation method using nanometer grade thickness fibre thin layer preparation in sodium alginate |
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| CN201910662085.2A CN110273328A (en) | 2019-07-22 | 2019-07-22 | A kind of waterproof paper and preparation method using nanometer grade thickness fibre thin layer preparation in sodium alginate |
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| CN201910662085.2A Pending CN110273328A (en) | 2019-07-22 | 2019-07-22 | A kind of waterproof paper and preparation method using nanometer grade thickness fibre thin layer preparation in sodium alginate |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104788706A (en) * | 2015-04-01 | 2015-07-22 | 青岛大学 | Preparation method for sodium alginate-nano silicon dioxide compound film |
| CN105837861A (en) * | 2016-04-03 | 2016-08-10 | 苏鑫 | Composite natural polymer gel material |
| CN106400585A (en) * | 2016-09-21 | 2017-02-15 | 华南理工大学 | Super-hydrophobic paper and paper making method thereof |
-
2019
- 2019-07-22 CN CN201910662085.2A patent/CN110273328A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104788706A (en) * | 2015-04-01 | 2015-07-22 | 青岛大学 | Preparation method for sodium alginate-nano silicon dioxide compound film |
| CN105837861A (en) * | 2016-04-03 | 2016-08-10 | 苏鑫 | Composite natural polymer gel material |
| CN106400585A (en) * | 2016-09-21 | 2017-02-15 | 华南理工大学 | Super-hydrophobic paper and paper making method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 兰永强等: "《分离生物乙醇用渗透汽化复合膜》", 30 June 2018, 厦门大学出版社 * |
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