CN107137834A - A kind of preparation method of alginate fibre fire fighting firefighting clothing - Google Patents
A kind of preparation method of alginate fibre fire fighting firefighting clothing Download PDFInfo
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- CN107137834A CN107137834A CN201710263044.7A CN201710263044A CN107137834A CN 107137834 A CN107137834 A CN 107137834A CN 201710263044 A CN201710263044 A CN 201710263044A CN 107137834 A CN107137834 A CN 107137834A
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B17/00—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
- A62B17/003—Fire-resistant or fire-fighters' clothes
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D5/00—Composition of materials for coverings or clothing affording protection against harmful chemical agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
- C08B37/0084—Guluromannuronans, e.g. alginic acid, i.e. D-mannuronic acid and D-guluronic acid units linked with alternating alpha- and beta-1,4-glycosidic bonds; Derivatives thereof, e.g. alginates
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/04—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of alginates
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/047—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with fluoropolymers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/06—Properties of the materials having thermal properties
- D06N2209/067—Flame resistant, fire resistant
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/12—Permeability or impermeability properties
- D06N2209/121—Permeability to gases, adsorption
- D06N2209/123—Breathable
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/12—Permeability or impermeability properties
- D06N2209/126—Permeability to liquids, absorption
- D06N2209/128—Non-permeable
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Textile Engineering (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Toxicology (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
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Abstract
The invention belongs to protective garment preparing technical field, and in particular to a kind of preparation method of alginate fibre fire fighting firefighting clothing.After the present invention first dissolves sodium alginate, hydrophobically modified is carried out to it with octylame, reduce its water absorption, wet spinning will be carried out after modified sodium alginate deaeration processing again, obtain as-spun fibre, sodium alginate clothing is obtained after as-spun fibre is stretched etc. into operation, alginate fibre is a kind of fire resistance fibre, itself has anti-flammability, after polyflon and peach gum are handled through microbial fermentation again, make resin that there is peach gum group, enhancing and the compatibility and adhesiveness of resin, sodium alginate clothing is soaked in polyflon dispersion liquid again, then take out and dry, it can obtain alginate fibre fire fighting firefighting clothing, alginate fibre fire fighting firefighting clothing prepared by the present invention wears upper body, during close to burning things which may cause a fire disaster, fire fighting firefighting clothing will not burn, and in long-time fire fighting effort, human feeling's moderate temperature, dress is light.
Description
Technical field
The invention belongs to protective garment preparing technical field, and in particular to a kind of preparation side of alginate fibre fire fighting firefighting clothing
Method.
Background technology
Due to occur fire when, fireman be First Line go to scene of fire rescue people so that fireman safety by
To concern, to develop a kind of firefighting clothing as made by fire prevention material, fireman can be had by firefighting clothing itself
Some fire performances protect oneself, to avoid being burnt by the hot gas and fire produced by the scene of a fire.But because fireman passes in and out fire
The number of times of field frequently, and needs to stay in the environment of high temperature for a long time so that the service life of firefighting clothing constantly reduces outer, and then
Easily damage（Destruction）Phenomenon.Therefore, the cloth textile of fireman's firefighting clothing does not need only to have excellent water resistance,
But also there is certain anti-flammability.
Alginate fibre is a kind of fire resistance fibre, and itself has anti-flammability.Under flare is burnt, simply with flare contact site
Position blackening, will not burn, this is carbonization reaction of the alginate fibre in the case where high temperature is burnt.The degree of carbonization of fiber in combustion process
Height, leaves flame and extinguishes, naked light will not be played in atmosphere.The clothing being made of it is in the case of fire is met than linen-cotton, chemical fibre system
Clothing is safer.
Polytetrafluoroethylene (PTFE) has excellent chemical stability, corrosion resistance, electrical insulating property, good anti-aging endurance, resistance to
Warm superiority, inadhesion, do not burn and nonhazardous, and with prominent heat-resisting, cold resistance, its film formed has good
Water-proof breathable properties, can be widely applied to the fields such as chemical industry, machinery, oil, medical science, electronics, optics.
The content of the invention
The technical problems to be solved by the invention：For current firefighting clothing is fire-retardant, thermal insulation effect is poor, the disadvantage of poor air permeability
Hold a kind of preparation method for firefighting clothing of being put out a fire there is provided alginate fibre.
In order to solve the above technical problems, the technical solution adopted by the present invention：
（1）Sodium alginate and water are mixed to get sodium alginate soln, sodium alginate soln is added in flask, and adjust sea
After the pH of solution of sodium alginate, aldehyde radical activator, octylame are added, 6~7h of stirring reaction after reaction terminates, is added into flask
Ether mixing, filtering, obtain filter residue, filter residue are washed with ether, obtain hydrophobically modified sodium alginate；
（2）Hydrophobically modified sodium alginate soln is subjected to deaeration, wet spinning, sodium alginate as-spun fibre is obtained, by fine marine alga
Sour sodium as-spun fibre drawn, sizing, drying, weaving processing, obtain sodium alginate clothing；
（3）Polytetrafluoroethylene (PTFE) is concentrated into dispersion liquid, peach gum and water in mass ratio 1:1:After 5 mixing, fermentation substrate is obtained, will be fermented
After substrate and Bacillus subtilis strain mixed fermentation, fermentation ends, tunning is subjected to high-temperature sterilization, centrifugal treating, obtained
To precipitation；
（4）It will precipitate after being mixed with water, and add the glyceryl monostearate of precipitation quality 15%, mixed liquor is obtained, by alginic acid
Sodium clothing, which is placed in mixed liquor, to be soaked, dries, you can obtain alginate fibre fire fighting firefighting clothing.
Step（1）The preparation process of described sodium alginate soln is：By 400~500g sodium alginates and 2~3L water in
Temperature is 30~40 DEG C of 30~40min of mixing, obtains sodium alginate soln.
Step（1）The preparation process of described hydrophobically modified sodium alginate is：600~800mL sodium alginate solns are added
Enter into flask, and be that 15% salt acid for adjusting pH is after 3.5~4.0 with mass fraction, add 0.3~0.5g aldehyde radicals activator,
20~30mL octylames, in temperature be 25~30 DEG C at 6~7h of stirring reaction, reaction terminate after, into flask add ether mixing,
Filtering, obtains filter residue, filter residue is washed with ether, obtain hydrophobically modified sodium alginate.
Described aldehyde radical activator be 1- ethyls-（3- dimethylaminopropyls）Phosphinylidyne diimmonium salt hydrochlorate.
The preparation process of described hydrophobically modified sodium alginate soln is：By hydrophobically modified sodium alginate and water in mass ratio
1:1 10~15min of mixing, obtains hydrophobically modified sodium alginate soln.
Step（2）The time of described deaeration is 12~14h.
Step（3）Described fermentation temperature is 30~40 DEG C, and fermentation time is 8~10 days.
The present invention is compared with other method, and advantageous effects are：
（1）The present invention is modified with octylame to oxidized sodium alginate can increase the hydrophobicity of sodium alginate, reduce sodium alginate
Water imbibition, then carry out again deaeration, wet spinning etc. operation, obtain sodium alginate clothing, alginate fibre is a kind of fire resistance fibre,
Itself has anti-flammability, when flare is burnt, the position meeting blackening contacted with flare, but not burning, and this is that alginate fibre exists
Carbonization reaction under high temperature sintering, the degree of carbonization of fiber is high in combustion, extinguishes when sodium alginate clothing leaves flame,
And will not play naked light in atmosphere, then after polyflon and peach gum are handled through microbial fermentation, make resin that there is peach
The compatibility and adhesiveness of matrix group, reinforced TFE resin and alginate fibre, then sodium alginate clothing is soaked in poly- four
When in fluoroethylene resin dispersion liquid, polyflon can form the ventilative protection of one layer of insulating water-proof on sodium alginate clothing surface
Film, effect of heat insulation, water proofing property and the gas permeability of enhancing alginate fibre fire fighting firefighting clothing；
（2）High level cadre in the present invention inside alginic acid fibre reveals uronic acid section as the molecular skeleton tie point of alginic acid fibre,
Can be formed oxygen infiltration micropore, it is to avoid firefighting clothing inside anaerobic environment, further increase the gas permeability of firefighting clothing.
Embodiment
Raw material needed for of the invention has：Sodium alginate, water, sodium metaperiodate, mass fraction for 15% hydrochloric acid, 1- ethyls-（3-
Dimethylaminopropyl）Phosphinylidyne diimmonium salt hydrochlorate, octylame, ether, peach gum, Bacillus subtilis strain, resin acid monoglyceride,
Polytetrafluoroethylene (PTFE) concentrates dispersion liquid.
Weigh 400~500g sodium alginates to be added in the beaker for filling 2~3L water, beaker immigration digital display is tested the speed constant temperature
It it is 30~40 DEG C in temperature, rotating speed is 30~40min of stirring and dissolving under 400~450r/min, obtains sodium alginate in agitator
Solution, measures 600~800mL sodium alginate solns, 3~5g sodium metaperiodates and is added in three-necked flask, and is added into flask
The hydrochloric acid conditioning solution pH that mass fraction is 15% is after 3.5~4.0, then add into flask 0.3~0.5g1- ethyls-（3- bis-
Dimethylaminopropyl）After phosphinylidyne diimmonium salt hydrochlorate and 20~30mL octylames, 1~3min of stirring mixing, flask is moved into digital display
Test the speed in thermostatic mixer, be 25~30 DEG C in temperature, rotating speed is 6~7h of stirring reaction under 350~400r/min, uses periodic acid
Sodium is aoxidized to sodium alginate, the hydroxyl of part uronic acid unit in sodium alginate is transformed into aldehyde radical, then with 1- ethyls-
（3- dimethylaminopropyls）Phosphinylidyne diimmonium salt hydrochlorate is activated as aldehyde radical activator to the aldehyde radical in sodium alginate, so
Reacted again with octylame afterwards, increase the hydrophobicity of sodium alginate, reaction end obtains product, 200~300mL second is added into product
Filtered after ether, 3~5min of stirring mixing, obtain filter residue, filter residue is washed 3~5 times with ether, hydrophobically modified alginic acid is obtained
Sodium, by hydrophobically modified sodium alginate and water in mass ratio 1:1 is added in beaker, stirring 10~15min of mixing, obtains hydrophobic change
Property sodium alginate soln, after 12~14h of modified sodium alginate solution left standstill deaeration, obtains spinning solution, spinning solution is entered
Row wet spinning, by the turbid liquid of coagulating bath, forms fine sodium alginate as-spun fibre, then is drawn through hyperextension, shape, dry, at weaving
Reason obtains sodium alginate clothing, while weighing polytetrafluoroethylene (PTFE) concentration dispersion liquid, peach gum and water in mass ratio 1:1:5 are added to beaker
In, stirring 3~5min of mixing obtains fermentation substrate, fermentation substrate is added in fermentation tank, then the addition fermentation into fermentation tank
The Bacillus subtilis strain of substrate quality 5%, the sealing and fermenting 8~10 days at temperature is 30~40 DEG C, under microbial action
Introducing peach gum group on to polytetrafluoroethylene (PTFE), the compatibility and viscosity of increase polytetrafluoroethylene (PTFE) and sodium alginate clothing, fermentation ends,
Tunning is obtained, tunning is placed in sterilization tank, sterilize 5~10min at temperature is 90~100 DEG C, after sterilizing
Product be placed in a centrifuge, with 4000~5000r/min rotating speed 5~10min of centrifugal treating, precipitated, precipitation put
In beaker, water will be added into beaker to be precipitated after submergence, then the stearic acid list glycerine for precipitating quality 15% is added into beaker
Ester, stirring 15~20min of mixing, obtains dispersion liquid, sodium alginate clothing is placed in dispersion liquid, 3~4h of immersion treatment will soak
Clothes afterwards is placed in baking oven, is dried at temperature is 80~90 DEG C, you can obtain alginate fibre fire fighting firefighting clothing.
Example 1
Weigh 400g sodium alginates to be added in the beaker for filling 2L water, beaker immigration digital display is tested the speed in thermostatic mixer, in
Temperature is 30 DEG C, and rotating speed is stirring and dissolving 30min under 400r/min, obtains sodium alginate soln, measures 600mL sodium alginates molten
Liquid, 3g sodium metaperiodates are added in three-necked flask, and the hydrochloric acid conditioning solution pH that addition mass fraction is 15% into flask is
After 3.5, then add into flask 0.3g1- ethyls-（3- dimethylaminopropyls）Phosphinylidyne diimmonium salt hydrochlorate and 20mL octylames,
After stirring mixing 1min, flask immigration digital display is tested the speed in thermostatic mixer, is 25 DEG C in temperature, rotating speed is to stir under 350r/min
Reaction 6h is mixed, reaction end obtains product, is filtered after 200mL ether, stirring mixing 3min are added into product, obtain filter residue,
Filter residue is washed 3 times with ether, hydrophobically modified sodium alginate is obtained, by hydrophobically modified sodium alginate and water in mass ratio 1:1 adds
Enter into beaker, stirring mixing 10min obtains hydrophobically modified sodium alginate soln, by modified sodium alginate solution left standstill deaeration
After 12h, spinning solution is obtained, spinning solution is subjected to wet spinning, by the turbid liquid of coagulating bath, the nascent fibre of fine sodium alginate is formed
Dimension, then draw through hyperextension, shape, dry, weaving processing obtains sodium alginate clothing, while weigh polytetrafluoroethylene (PTFE) concentrate dispersion liquid,
Peach gum and water in mass ratio 1:1:5 are added in beaker, stirring mixing 3min, obtain fermentation substrate, fermentation substrate is added to
In fermentation tank, then add into fermentation tank the Bacillus subtilis strain of fermentation substrate quality 5%, be to seal at 30 DEG C in temperature
Fermentation 8 days, fermentation ends obtain tunning, and tunning is placed in sterilization tank, and sterilize 5min at temperature is 90 DEG C,
Product after sterilizing is placed in a centrifuge, with 4000r/min rotating speed centrifugal treating 5min, is precipitated, precipitation is placed in
In beaker, water will be added into beaker to be precipitated after submergence, then addition precipitates the glyceryl monostearate of quality 15% into beaker,
Stirring mixing 15min, obtains dispersion liquid, sodium alginate clothing is placed in dispersion liquid, immersion treatment 3h puts the clothes after immersion
In baking oven, dried at temperature is 80 DEG C, you can obtain alginate fibre fire fighting firefighting clothing.
Example 2
Weigh 500g sodium alginates to be added in the beaker for filling 3L water, beaker immigration digital display is tested the speed in thermostatic mixer, in
Temperature is 40 DEG C, and rotating speed is stirring and dissolving 40min under 450r/min, obtains sodium alginate soln, measures 800mL sodium alginates molten
Liquid, 5g sodium metaperiodates are added in three-necked flask, and the hydrochloric acid conditioning solution pH that addition mass fraction is 15% into flask is
After 4.0, then add into flask 0.5g1- ethyls-（3- dimethylaminopropyls）Phosphinylidyne diimmonium salt hydrochlorate and 30mL octylames,
After stirring mixing 3min, flask immigration digital display is tested the speed in thermostatic mixer, is 30 DEG C in temperature, rotating speed is to stir under 400r/min
Reaction 7h is mixed, reaction end obtains product, is filtered after 300mL ether, stirring mixing 5min are added into product, obtain filter residue,
Filter residue is washed 5 times with ether, hydrophobically modified sodium alginate is obtained, by hydrophobically modified sodium alginate and water in mass ratio 1:1 adds
Enter into beaker, stirring mixing 15min obtains hydrophobically modified sodium alginate soln, by modified sodium alginate solution left standstill deaeration
After 14h, spinning solution is obtained, spinning solution is subjected to wet spinning, by the turbid liquid of coagulating bath, the nascent fibre of fine sodium alginate is formed
Dimension, then draw through hyperextension, shape, dry, weaving processing obtains sodium alginate clothing, while weigh polytetrafluoroethylene (PTFE) concentrate dispersion liquid,
Peach gum and water in mass ratio 1:1:5 are added in beaker, stirring mixing 5min, obtain fermentation substrate, fermentation substrate is added to
In fermentation tank, then add into fermentation tank the Bacillus subtilis strain of fermentation substrate quality 5%, be to seal at 40 DEG C in temperature
Fermentation 10 days, fermentation ends obtain tunning, and tunning is placed in sterilization tank, are sterilized at temperature is 100 DEG C
10min, the product after sterilizing is placed in a centrifuge, and with 5000r/min rotating speed centrifugal treating 10min, is precipitated, will be heavy
Shallow lake is placed in beaker, and water will be added into beaker to be precipitated after submergence, then the stearic acid list of addition precipitation quality 15% is sweet into beaker
Grease, stirring mixing 20min, obtains dispersion liquid, sodium alginate clothing is placed in dispersion liquid, immersion treatment 4h, after immersion
Clothes is placed in baking oven, is dried at temperature is 90 DEG C, you can obtain alginate fibre fire fighting firefighting clothing.
Example 3
Weigh 450g sodium alginates to be added in the beaker for filling 3L water, beaker immigration digital display is tested the speed in thermostatic mixer, in
Temperature is 35 DEG C, and rotating speed is stirring and dissolving 35min under 425r/min, obtains sodium alginate soln, measures 700mL sodium alginates molten
Liquid, 4g sodium metaperiodates are added in three-necked flask, and the hydrochloric acid conditioning solution pH that addition mass fraction is 15% into flask is
After 3.8, then add into flask 0.4g1- ethyls-（3- dimethylaminopropyls）Phosphinylidyne diimmonium salt hydrochlorate and 25mL octylames,
After stirring mixing 2min, flask immigration digital display is tested the speed in thermostatic mixer, is 28 DEG C in temperature, rotating speed is to stir under 375r/min
Reaction 6.5h is mixed, reaction end obtains product, filter, filtered after 250mL ether, stirring mixing 4min are added into product
Slag, filter residue is washed 4 times with ether, hydrophobically modified sodium alginate is obtained, by hydrophobically modified sodium alginate and water in mass ratio 1:1
It is added in beaker, stirring mixing 12min obtains hydrophobically modified sodium alginate soln, modified sodium alginate solution left standstill is taken off
Steep after 13h, obtain spinning solution, spinning solution is subjected to wet spinning, by the turbid liquid of coagulating bath, form fine sodium alginate and come into being
Fiber, then draw through hyperextension, shape, dry, weaving processing obtains sodium alginate clothing, while it is scattered to weigh polytetrafluoroethylene (PTFE) concentration
Liquid, peach gum and water in mass ratio 1:1:5 are added in beaker, stirring mixing 4min, obtain fermentation substrate, fermentation substrate is added
Into fermentation tank, then add into fermentation tank the Bacillus subtilis strain of fermentation substrate quality 5%, in temperature be at 35 DEG C it is close
Seal ferment 9 days, fermentation ends obtain tunning, and tunning is placed in sterilization tank, are sterilized at temperature is 95 DEG C
8min, the product after sterilizing is placed in a centrifuge, and with 4500r/min rotating speed centrifugal treating 8min, is precipitated, will precipitated
It is placed in beaker, water will be added into beaker to be precipitated after submergence, then the stearic acid list glycerine for precipitating quality 15% is added into beaker
Ester, stirring mixing 18min, obtains dispersion liquid, sodium alginate clothing is placed in dispersion liquid, immersion treatment 3.5h, after immersion
Clothes is placed in baking oven, is dried at temperature is 85 DEG C, you can obtain alginate fibre fire fighting firefighting clothing.
Claims (7)
- The preparation method of firefighting clothing 1. a kind of alginate fibre is put out a fire, it is characterised in that specifically preparation process is：（1）Sodium alginate and water are mixed to get sodium alginate soln, sodium alginate soln is added in flask, and adjust sea After the pH of solution of sodium alginate, aldehyde radical activator, octylame are added, 6~7h of stirring reaction after reaction terminates, is added into flask Ether mixing, filtering, obtain filter residue, filter residue are washed with ether, obtain hydrophobically modified sodium alginate；（2）Hydrophobically modified sodium alginate soln is subjected to deaeration, wet spinning, sodium alginate as-spun fibre is obtained, by fine marine alga Sour sodium as-spun fibre drawn, sizing, drying, weaving processing, obtain sodium alginate clothing；（3）Polytetrafluoroethylene (PTFE) is concentrated into dispersion liquid, peach gum and water in mass ratio 1:1:After 5 mixing, fermentation substrate is obtained, will be fermented After substrate and Bacillus subtilis strain mixed fermentation, fermentation ends, tunning is subjected to high-temperature sterilization, centrifugal treating, obtained To precipitation；（4）It will precipitate after being mixed with water, and add the glyceryl monostearate of precipitation quality 15%, mixed liquor is obtained, by alginic acid Sodium clothing, which is placed in mixed liquor, to be soaked, dries, you can obtain alginate fibre fire fighting firefighting clothing.
- The preparation method of firefighting clothing 2. a kind of alginate fibre according to claim 1 is put out a fire, it is characterised in that step（1） The preparation process of described sodium alginate soln is：It is 30~40 DEG C in temperature by 400~500g sodium alginates and 2~3L water to mix 30~40min is closed, sodium alginate soln is obtained.
- The preparation method of firefighting clothing 3. a kind of alginate fibre according to claim 1 is put out a fire, it is characterised in that step（1） The preparation process of described hydrophobically modified sodium alginate is：600~800mL sodium alginate solns are added in flask, are used in combination Mass fraction is that 15% salt acid for adjusting pH is after 3.5~4.0, to add 0.3~0.5g aldehyde radicals activator, 20~30mL octylames, in Temperature is 6~7h of stirring reaction at 25~30 DEG C, after reaction terminates, and ether mixing, filtering are added into flask, filter residue is obtained, Filter residue is washed with ether, hydrophobically modified sodium alginate is obtained.
- The preparation method of firefighting clothing 4. a kind of alginate fibre according to claim 1 or 3 is put out a fire, it is characterised in that described Aldehyde radical activator for 1- ethyls-（3- dimethylaminopropyls）Phosphinylidyne diimmonium salt hydrochlorate.
- The preparation method of firefighting clothing 5. a kind of alginate fibre according to claim 1 is put out a fire, it is characterised in that described dredges The preparation process of water modified sodium alginate solution is：By hydrophobically modified sodium alginate and water in mass ratio 1:1 mixing 10~ 15min, obtains hydrophobically modified sodium alginate soln.
- The preparation method of firefighting clothing 6. a kind of alginate fibre according to claim 1 is put out a fire, it is characterised in that step（2） The time of described deaeration is 12~14h.
- The preparation method of firefighting clothing 7. a kind of alginate fibre according to claim 1 is put out a fire, it is characterised in that step（3） Described fermentation temperature is 30~40 DEG C, and fermentation time is 8~10 days.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109680498A (en) * | 2019-01-11 | 2019-04-26 | 深圳市科能医疗器械有限公司 | A kind of medical preparation method for resisting antibacterial gauze of nanometer-level silver ion |
| CN112110547A (en) * | 2020-09-11 | 2020-12-22 | 浙江大学舟山海洋研究中心 | Microbial carbon source slow-release wax and preparation method and application thereof |
| CN112553188A (en) * | 2020-10-27 | 2021-03-26 | 杭州秀川科技有限公司 | Carbon source slow-release wax loaded with microorganisms as well as preparation method and application thereof |
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