CN107876026A - A kind of complex building humidity adjusting material and preparation method thereof - Google Patents
A kind of complex building humidity adjusting material and preparation method thereof Download PDFInfo
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- CN107876026A CN107876026A CN201711161799.2A CN201711161799A CN107876026A CN 107876026 A CN107876026 A CN 107876026A CN 201711161799 A CN201711161799 A CN 201711161799A CN 107876026 A CN107876026 A CN 107876026A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/12—Naturally occurring clays or bleaching earth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/46—Materials comprising a mixture of inorganic and organic materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4806—Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/4825—Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton
Abstract
The present invention relates to a kind of complex building humidity adjusting material and preparation method thereof, belong to building material technical field.The present invention is with n-trimethyl chitosan chloride modified meerschaum,And with grey calcium,Coarse whiting,Quartz sand,It is attapulgite clay compounded to prepare humidity adjusting material,The present invention is by being acidified a large amount of carbonaceous for purifying cleaning sepiolite surface and covering,The chip impurity such as clay mineral,Reveal most pore structure,The pore volume of sepiolite significantly increases,Strengthen the ability of moisture adsorption and releasing,Simultaneously by modifying chitosan quaternary ammoniumization,Improve its hygroscopicity,Filling is into pore structure during the duct of cleaning sepiolite,Complex effect is produced with the loose structure of sepiolite,Steam is improved on the surface of material and the internal performance being diffused,Promote steam that capillary condensation occurs in material internal,So that the absorbent capacity increase of material,And there is faster moisture absorption ＆ moisture evaporation rate,Promote physical absorption of the material to moisture,Improve absorbent capacity,Further strengthen moisture adsorption and releasing ability.
Description
Technical field
The present invention relates to a kind of complex building humidity adjusting material and preparation method thereof, belong to building material technical field.
Background technology
Air humidity no matter living environment, the physical and mental health to people, or the protection to article is all significant.
Air humidity content is too high, makes one to produce the sense of discomfort such as moist, uncomfortable in chest；Cause metal surface corrosion, cause under electrical apparatus insulation performance
Drop；Various mould virus amount reproduction developments are encouraged, influence food processing and preservation；Influence the production and processing of machine components product
Quality.And air humidity content is too low, can make one to produce allergic, eye xeromycteria again, respiratory system resistivity declines, in addition
Humidity is too low also to cause electrostatic phenomenon, be unfavorable for health.When height, which occurs, for humidity alternately changes, many things can be made again
Fatigue Deformation occurs for product, and the particularly generation such as some arts work, calligraphy and painting efflorescence, colour fading or insert bursts apart and come off, to article
Cause damage.
As can be seen here, air humidity be one with people life, produce closely related ambient parameter.There is scholar considering
After humidity is on microorganism growth, human body morbidity and the various influences such as article is rotten, an optimal relative humidity model is recommended
Enclose, it is indicated that relative humidity can make bacterium, virus, mould, parasite minimum number, by respiratory tract infection between 40%~60%
Minimized with the possibility of allergy, asthma, chemical action, and can guarantee that certain incidence of ozone in air, make sky
The pure and fresh purification of gas.
The research of humidity is controlled to adjust using the moisture adsorption and releasing characteristic of material, it is relatively early to come across Japan.Closely during the last ten years, with
Effect of the humidity in human settlement, the influence to thermal comfort and air quality, to article preservation and the influence of air conditioner load
Deng going deep into for research, increasing researcher starts to study humidity adjusting material.At present, the humidity adjusting material studied both at home and abroad
It is broadly divided into 5 kinds：Special silica-gel, inorganic salts, inorganic porous mineral material, high-molecular organic material, composite humidity adjusting material.
Humidity adjusting material, it is not necessary to by any artificial energy source and plant equipment, by the moisture absorption and desorption property of itself, sense institute
The change of aerial temperature and humidity in space, automatically adjust the material of relative air humidity.When indoor air relative humidity is more than a certain
During value, the moisture in material absorption air, relative air humidity increase is prevented；When indoor air relative humidity is less than a certain value
When, material releases moisture humidifying air, prevents relative air humidity from reducing.Current humidity adjusting material is mostly powder, bulk or grain
Shape, as being applied on large space humid control, placement gets up to be inconvenient to stablize, and air contact area is also smaller.
Existing air-conditioning technical, it is the method that current humid control generally uses, but air-conditioning technical will consume mass energy,
Urban electricity supply can be caused nervous, directly or indirectly cause air pollution, thermal pollution, destroy the ecological balance, and this machinery side
Method also seems helpless on short space humid control.Therefore, research is with the humidity adjusting material for automatically adjusting humidity ability
And humidity controlling coating, for reducing air conditioning energy consumption, keeping the sustainable development of ecological environment has great reality and historic significance.
The content of the invention
The technical problems to be solved by the invention：It is mostly powder, bulk or granular for current humidity adjusting material, such as applies
In on large space humid control, the problem of placement gets up to be inconvenient to stablize, and air contact area is also smaller, there is provided one
Kind complex building humidity adjusting material and preparation method thereof.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of complex building humidity adjusting material, including following weight parts raw material：200~400 parts of modified meerschaums, 100~200 parts of ashes
Calcium, 75~275 parts of coarse whitings, 200~300 parts of quartz sands, 40~80 parts of attapulgites.
The modified meerschaum is acidified to purify and deposit n-trimethyl chitosan chloride by sepiolite and is made, and detailed process is by quaternary ammonium
Change chitosan to be dissolved in acetum, add sepiolite, and be heated to 80~90 DEG C, 1~2h of insulated and stirred, filtration washing
And drying is made.
The mass fraction of the acetum is 10%, and dosage is 1.25~5.00 times of sepiolite quality.
The mass ratio of the n-trimethyl chitosan chloride and sepiolite is（1.0~1.2）：（40~80）.
The n-trimethyl chitosan chloride be with after benzaldehyde grafted chitosan again through it is quaternized modification be made.
The grafting process is by chitosan and benzaldehyde ethanol solution, 3~5h of stirring reaction at 60~80 DEG C, is adjusted
PH to 7~8, stand filtration washing and dry obtained N- benzylidene chitosans, the mass fraction of the benzaldehyde ethanol solution
For 5%, dosage is 10~100 times of chitosan mass.
The quaternized modification is to mix N- benzylidenes chitosan with chlorination glycidyltrimetiiylammonium ammonium,
6~8h of insulation reaction at 80~90 DEG C, stand filtering and filtrate is evaporated to dryness obtained n-trimethyl chitosan chloride, the chlorination is shunk
The mass ratio of glyceryl trimethyl ammonium and N- benzylidene chitosans is 1：1.
Concretely comprise the following steps：
（1）Dissolve chitosan in acetum, add benzaldehyde ethanol solution, at 60~80 DEG C stirring reaction 3~
5h, pH to 7~8 is adjusted, stand filtration washing and drying, obtain N- benzylidene chitosans；
（2）N- benzylidene chitosans will be dispersed in isopropanol water solution, then be mixed with chlorination glycidyltrimetiiylammonium ammonium
Close, 6~8h of insulation reaction at 80~90 DEG C, stand and filter and be evaporated to dryness filtrate, obtain n-trimethyl chitosan chloride；
（3）N-trimethyl chitosan chloride will be dissolved in acetum, and add sepiolite, and be heated to 80~90 DEG C, insulation is stirred
1~2h, filtration washing and drying are mixed, obtains modified meerschaum；
（4）Modified meerschaum, grey calcium, coarse whiting, quartz sand, attapulgite are taken, is fitted into 1~2h of ball milling in ball mill, crosses 200 mesh
Sieve, obtains complex building humidity adjusting material.
Compared with other method, advantageous effects are the present invention：
The present invention with n-trimethyl chitosan chloride modified meerschaum, and with grey calcium, coarse whiting, quartz sand, attapulgite clay compounded preparation damping
Material, sepiolite are natural magnesium silicate clay minerals, and sepiolite, talcum, illiteracy are contained in appositional pattern sepiolite clay therein
The mineral such as de- stone, quartz, sepiolite is microcosmic in threadiness or fibrous agrregate, talcum in the form of sheets, its abundant microcellular structure
Higher surface polarity makes the ability that sepiolite has automatic moisture adsorption and releasing, and the present invention purifies cleaning sepiolite surface by being acidified
A large amount of carbonaceous of covering, the chip impurity such as clay mineral, the impurity of covering and filling in porous sepiolite structure is removed, makes big portion
The pore structure divided reveals, and the pore volume of sepiolite significantly increases, and strengthens the ability of moisture adsorption and releasing, while by chitosan season
Ammoniumization is modified, and improves its hygroscopicity, moisture retention, antibiotic property and stability, is filled during the duct of cleaning sepiolite to hole
In structure, complex effect is produced with the loose structure of sepiolite, using sepiolite specific surface area and pore volume be larger, average pore size compared with
Small structure, the performance that steam is diffused in the surface of material and inside is improved, promotes steam that capillary occurs in material internal
Condense so that the absorbent capacity increase of material, and there is faster moisture absorption ＆ moisture evaporation rate, promote material and the physics of moisture is inhaled
It is attached, absorbent capacity is improved, further strengthens moisture adsorption and releasing ability.
Embodiment
10~15g chitosans are taken, it is in 2% acetum, with 300~400r/min to add 1.0~1.5kg mass fractions
Stirring is completely dissolved to chitosan, and it is 5% benzaldehyde ethanol solution to add 1.0~1.5kg mass fractions, at 60~80 DEG C
3~5h of stirring reaction, mass fraction is used in reaction after terminating be that 5% sodium hydroxide solution adjusts pH to 7~8, stands mistake after 1~2h
Filter cake is filtered to obtain, filter cake is washed 3~5 times with absolute ethyl alcohol, then filter cake is placed in drying box, is dried at 40~50 DEG C to perseverance
Weight, obtains N- benzylidene chitosans, takes 10~12gN- benzylidene chitosans, 30~50mL isopropanols, adds 150~200mL
In deionized water, 20~30min is stirred with 300~400r/min, adds 10~12g chlorination glycidyltrimetiiylammonium ammoniums,
6~8h of insulation reaction at 80~90 DEG C, reaction stands 1~2h after terminating, and filtrate is collected by filtration, and filtrate is placed in into rotation steams
It is evaporated to dryness under reduced pressure on hair instrument, obtains n-trimethyl chitosan chloride, take 10~12g n-trimethyl chitosan chlorides, adding 1~2kg mass fractions is
In 10% acetum, stirred to chitosan and be completely dissolved with 300~400r/min, add 400~800g sepiolites, and add
Heat filters to obtain filter residue to 80~90 DEG C, 1~2h of insulated and stirred after being cooled to room temperature, and filter residue is washed with deionized 3~5 times,
Filter residue is placed in drying box again, is dried at 105~110 DEG C to constant weight, obtains modified meerschaum, takes 200~400g to be modified sea
Afrodite, 100~200g ash calcium, 75~275g coarse whitings, 200~300g quartz sands, 40~80g attapulgites, is fitted into ball mill
With 200~300r/min, 1~2h of ball milling, 200 mesh sieves are crossed, obtain complex building humidity adjusting material.
Example 1
10g chitosans are taken, it is in 2% acetum to add 1.0kg mass fractions, is stirred with 300r/min completely molten to chitosan
Solution, it is 5% benzaldehyde ethanol solution to add 1.0kg mass fractions, the stirring reaction 3h at 60 DEG C, reacts and uses quality after terminating
Fraction is that 5% sodium hydroxide solution adjusts pH to 7, filters to obtain filter cake after standing 1h, filter cake is washed 3 times with absolute ethyl alcohol, then will filter
Cake is placed in drying box, is dried at 40 DEG C to constant weight, is obtained N- benzylidene chitosans, take 10gN- benzylidene chitosans,
30mL isopropanols, add in 150mL deionized waters, 20min is stirred with 300r/min, adds 10g chlorinations glycidyl three
Ammonium methyl, the insulation reaction 6h at 80 DEG C, reaction stands 1h after terminating, and filtrate is collected by filtration, and filtrate is placed in into rotary evaporation
It is evaporated to dryness under reduced pressure on instrument, obtains n-trimethyl chitosan chloride, take 10g n-trimethyl chitosan chlorides, it is that 10% acetic acid is molten to add 1kg mass fractions
In liquid, stirred to chitosan and be completely dissolved with 300r/min, add 400g sepiolites, and be heated to 80 DEG C, insulated and stirred 1h,
Filter residue is filtered to obtain after being cooled to room temperature, and filter residue is washed with deionized 3 times, then filter residue is placed in drying box, at 105 DEG C
Dry to constant weight, obtain modified meerschaum, take 200g modified meerschaums, 100g ash calcium, 75g coarse whitings, 200g quartz sands, 40g bumps
Rod soil, it is fitted into ball mill with 200r/min ball milling 1h, crosses 200 mesh sieves, obtain complex building humidity adjusting material.
Example 2
13g chitosans are taken, it is in 2% acetum to add 1.2kg mass fractions, is stirred with 350r/min completely molten to chitosan
Solution, it is 5% benzaldehyde ethanol solution to add 1.2kg mass fractions, the stirring reaction 4h at 70 DEG C, reacts and uses quality after terminating
Fraction is that 5% sodium hydroxide solution adjusts pH to 7.5, filters to obtain filter cake after standing 1h, filter cake is washed 4 times with absolute ethyl alcohol, then will
Filter cake is placed in drying box, is dried at 45 DEG C to constant weight, is obtained N- benzylidene chitosans, take 11gN- benzylidene chitosans,
40mL isopropanols, add in 175mL deionized waters, 25min is stirred with 350r/min, adds 11g chlorinations glycidyl three
Ammonium methyl, the insulation reaction 7h at 85 DEG C, reaction stands 1h after terminating, and filtrate is collected by filtration, and filtrate is placed in into rotary evaporation
It is evaporated to dryness under reduced pressure on instrument, obtains n-trimethyl chitosan chloride, take 11g n-trimethyl chitosan chlorides, it is that 10% acetic acid is molten to add 1kg mass fractions
In liquid, stirred to chitosan and be completely dissolved with 350r/min, add 600g sepiolites, and be heated to 85 DEG C, insulated and stirred 1h,
Filter residue is filtered to obtain after being cooled to room temperature, and filter residue is washed with deionized 4 times, then filter residue is placed in drying box, at 107 DEG C
Dry to constant weight, obtain modified meerschaum, take 300g modified meerschaums, 150g ash calcium, 175g coarse whitings, 250g quartz sands, 60g bumps
Rod soil, it is fitted into ball mill with 250r/min ball milling 1h, crosses 200 mesh sieves, obtain complex building humidity adjusting material.
Example 3
15g chitosans are taken, it is in 2% acetum to add 1.5kg mass fractions, is stirred with 400r/min completely molten to chitosan
Solution, it is 5% benzaldehyde ethanol solution to add 1.5kg mass fractions, the stirring reaction 5h at 80 DEG C, reacts and uses quality after terminating
Fraction is that 5% sodium hydroxide solution adjusts pH to 8, filters to obtain filter cake after standing 2h, filter cake is washed 5 times with absolute ethyl alcohol, then will filter
Cake is placed in drying box, is dried at 50 DEG C to constant weight, is obtained N- benzylidene chitosans, take 12gN- benzylidene chitosans,
50mL isopropanols, add in 200mL deionized waters, 30min is stirred with 400r/min, adds 12g chlorinations glycidyl three
Ammonium methyl, the insulation reaction 8h at 90 DEG C, reaction stands 2h after terminating, and filtrate is collected by filtration, and filtrate is placed in into rotary evaporation
It is evaporated to dryness under reduced pressure on instrument, obtains n-trimethyl chitosan chloride, take 12g n-trimethyl chitosan chlorides, it is that 10% acetic acid is molten to add 2kg mass fractions
In liquid, stirred to chitosan and be completely dissolved with 400r/min, add 800g sepiolites, and be heated to 90 DEG C, insulated and stirred 2h,
Filter residue is filtered to obtain after being cooled to room temperature, and filter residue is washed with deionized 5 times, then filter residue is placed in drying box, at 110 DEG C
Dry to constant weight, obtain modified meerschaum, take 400g modified meerschaums, 200g ash calcium, 275g coarse whitings, 300g quartz sands, 80g bumps
Rod soil, it is fitted into ball mill with 300r/min ball milling 2h, crosses 200 mesh sieves, obtain complex building humidity adjusting material.
Complex building humidity adjusting material prepared by the present invention and the humidity adjusting material of Shandong company production are detected, specifically
Testing result such as following table table 1：
The complex building humidity adjusting material performance characterization of table 1
The complex building humidity adjusting material that as shown in Table 1 prepared by the present invention, specific surface area is larger, surface-active, surface show ability, urges
Change ability is strong, and bore dia is smaller, and material property is stable.Relative humidity capacity is larger, enhances moisture adsorption and releasing ability.
Claims (8)
1. a kind of complex building humidity adjusting material, it is characterised in that including following weight parts raw material：200~400 parts of modified Hai Pao
Stone, 100~200 parts of grey calcium, 75~275 parts of coarse whitings, 200~300 parts of quartz sands, 40~80 parts of attapulgites.
2. a kind of complex building humidity adjusting material as claimed in claim 1, it is characterised in that the modified meerschaum is sepiolite
Acidifying purifies and deposits n-trimethyl chitosan chloride and is made, and detailed process is that n-trimethyl chitosan chloride is dissolved in acetum, then is added
Enter sepiolite, and be heated to 80~90 DEG C, 1~2h of insulated and stirred, filtration washing and drying be made.
A kind of 3. complex building humidity adjusting material as claimed in claim 2, it is characterised in that the mass fraction of the acetum
For 10%, dosage is 1.25~5.00 times of sepiolite quality.
4. a kind of complex building humidity adjusting material as claimed in claim 2, it is characterised in that the n-trimethyl chitosan chloride and Hai Pao
The mass ratio of stone is（1.0~1.2）：（40~80）.
5. a kind of complex building humidity adjusting material as claimed in claim 2, it is characterised in that the n-trimethyl chitosan chloride is to use benzene
It is made again through quaternized modification after formaldehyde grafted chitosan.
6. a kind of complex building humidity adjusting material as claimed in claim 5, it is characterised in that the grafting process is by chitosan
With benzaldehyde ethanol solution, 3~5h of stirring reaction at 60~80 DEG C, pH to 7~8 is adjusted, stand filtration washing and dry system
N- benzylidene chitosans are obtained, the mass fraction of the benzaldehyde ethanol solution is 5%, and dosage is the 10~100 of chitosan mass
Times.
7. a kind of complex building humidity adjusting material as claimed in claim 5, it is characterised in that the quaternized modification is will
N- benzylidenes chitosan mixes with chlorination glycidyltrimetiiylammonium ammonium, and 6~8h of insulation reaction, stood at 80~90 DEG C
Filter and filtrate is evaporated to dryness obtained n-trimethyl chitosan chloride, the chlorination glycidyltrimetiiylammonium ammonium gathers with N- benzylidene shells
The mass ratio of sugar is 1：1.
A kind of 8. preparation method of complex building humidity adjusting material as described in claim 1~7 any one, it is characterised in that
Concretely comprise the following steps：
（1）Dissolve chitosan in acetum, add benzaldehyde ethanol solution, at 60~80 DEG C stirring reaction 3~
5h, pH to 7~8 is adjusted, stand filtration washing and drying, obtain N- benzylidene chitosans；
（2）N- benzylidene chitosans will be dispersed in isopropanol water solution, then be mixed with chlorination glycidyltrimetiiylammonium ammonium
Close, 6~8h of insulation reaction at 80~90 DEG C, stand and filter and be evaporated to dryness filtrate, obtain n-trimethyl chitosan chloride；
（3）N-trimethyl chitosan chloride will be dissolved in acetum, and add sepiolite, and be heated to 80~90 DEG C, insulation is stirred
1~2h, filtration washing and drying are mixed, obtains modified meerschaum；
（4）Modified meerschaum, grey calcium, coarse whiting, quartz sand, attapulgite are taken, is fitted into 1~2h of ball milling in ball mill, crosses 200 mesh
Sieve, obtains complex building humidity adjusting material.
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| CN201711161799.2A CN107876026A (en) | 2017-11-21 | 2017-11-21 | A kind of complex building humidity adjusting material and preparation method thereof |
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| CN201711161799.2A CN107876026A (en) | 2017-11-21 | 2017-11-21 | A kind of complex building humidity adjusting material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868013A (en) * | 2019-02-21 | 2019-06-11 | 哈尔滨绿科科技有限公司 | A kind of fast light aqueous, environmental protective lacquer and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07265650A (en) * | 1994-03-29 | 1995-10-17 | Nippon Kayaku Co Ltd | Humidity control material |
| CN1834049A (en) * | 2005-03-15 | 2006-09-20 | 同济大学 | Cement based self moisture control architechture material and its prepn. process |
| CN101935190A (en) * | 2010-06-08 | 2011-01-05 | 上海佳鹭新型建材有限公司 | Washable ecologic wall material capable of decomposing formaldehyde |
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2017
- 2017-11-21 CN CN201711161799.2A patent/CN107876026A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07265650A (en) * | 1994-03-29 | 1995-10-17 | Nippon Kayaku Co Ltd | Humidity control material |
| CN1834049A (en) * | 2005-03-15 | 2006-09-20 | 同济大学 | Cement based self moisture control architechture material and its prepn. process |
| CN101935190A (en) * | 2010-06-08 | 2011-01-05 | 上海佳鹭新型建材有限公司 | Washable ecologic wall material capable of decomposing formaldehyde |
Non-Patent Citations (1)
| Title |
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| 樊木等: "壳聚糖季铵盐分子结构与吸湿保湿性研究", 《武汉大学学报（理学版）》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868013A (en) * | 2019-02-21 | 2019-06-11 | 哈尔滨绿科科技有限公司 | A kind of fast light aqueous, environmental protective lacquer and preparation method thereof |
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Effective date of registration: 20180418 Address after: 213000 Room 302, unit 5, Cui Yuan Apartment, Tianning District, Changzhou, Jiangsu Applicant after: Wu Gang Address before: 213164 B 2519, Beijing University of Chemical Technology Research Institute, Changzhou science and Education City, 801 Wujin Road, Wujin, Changzhou. Applicant before: TRUSYN CHEM-TECH CO., LTD. |
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