CN109265751A - A kind of activated carbon fiber-loaded composite nanometer flame retardant and method for coating - Google Patents
A kind of activated carbon fiber-loaded composite nanometer flame retardant and method for coating Download PDFInfo
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- CN109265751A CN109265751A CN201810969988.0A CN201810969988A CN109265751A CN 109265751 A CN109265751 A CN 109265751A CN 201810969988 A CN201810969988 A CN 201810969988A CN 109265751 A CN109265751 A CN 109265751A
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- activated carbon
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/10—Encapsulated ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/12—Adsorbed ingredients, e.g. ingredients on carriers
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/44—Carbon
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- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/003—Flushing
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/12—Treatment with organosilicon compounds
Abstract
It is an object of the present invention to provide a kind of activated carbon fiber-loaded composite nanometer flame retardant and method for coating, belong to technical field of flame retardant, solve the problems, such as that current bituminous pavement fire retardant volume is low, influence pitch routine service performance, release process is fast, flame retardant effect is poor.The present invention under the conditions of ultrasonic wave aid dispersion, activated carbon fibre is added in the mixed acid solution of the concentrated sulfuric acid and concentrated nitric acid first, carries out oxidation processes；Then, mixed acid solution is diluted, activated carbon fibre is placed on miillpore filter, cleaning active Carbon fibe, it is dry in baking oven；Activated carbon fibre is added in composite nanometer flame retardant ion salt solution again, ultrasonic disperse, be added ammonia precipitation process agent, continue to stir at room temperature, composite nanometer flame retardant be deposited in activated carbon fibre the hole in surface on；Finally, being added in silicone acrylic emulsion after dry, clad is formed on activated carbon fibre surface, fixed composite nanometer flame retardant particle improves bituminous pavement fire retardant volume, improves fire-retardant, smoke suppressing effect.
Description
Technical field
The present invention is a kind of activated carbon fiber-loaded composite nanometer flame retardant and method for coating, belongs to the fire-retardant skill of bituminous pavement
Art field.
Background technique
In recent years, great-leap-forward development is presented in China's Transportation Infrastructure Construction, and building for vcehicular tunnel also accordingly increases, but
That pitch combustibility is the major safety problems that tunnel sheet pavement faces, when fire occurs for tunnel, temperature sharply on
Rise, bituminous pavement participates in burning, generate big calorimetric and poison gas, and tunnel due to the particularity of its position, space it is long and narrow
Limitation brings very big difficulty to trapped person's escape and fire rescue, leads to great casualties and property loss.
In order to make bituminous pavement that can also reach road environment special in tunnel while giving full play to own advantages
It is required that i.e. flame-retardancy requirements, researcher mainly takes adds various different flame retardants, the method for smoke suppressant in bituminous pavement
Come the heat and poison gas for reducing or tunnel fire hazard process bituminous pavement being delayed to generate, reduces bituminous pavement to the greatest extent and thermally decompose and join
With burning, tunnel sheet pavement fire safety is improved.
However, bituminous pavement flame-retarding means are mainly the more single fire retardant of direct addition component in pitch, association at present
It is poor with fire retarding effect, fire retardation can only be played in some relatively narrow temperature range of pitch multistage thermal decomposition process, it is difficult to
Multistage fire-retardant demand caused by adapting to because of pitch each component thermal decomposition temperature section difference；In view of mixed to pitch or pitch
Closing material pavement performance influences, and fire retardant volume is limited；The biggish micron order fire retardant of partial size is mainly used in order to improve dispersibility,
Flame retardant effect is poor, and the asphalt after leading to admixture fire retardant still can thermally decompose under high temperature environment, burn, and generates big
Calorimetric and poison gas, it is difficult to meet bituminous pavement multistage, overall process flame-retardancy requirements.
As it can be seen that generating big calorimetric and poison gas because bituminous pavement thermally decomposes when reducing tunnel fire hazard, tunnel is improved
Asphalt Pavement Fire safety needs to increase fire retardant volume, and will not generate negative shadow to bituminous pavement routine pavement performance
It rings.Although the fire-retardant research of bituminous pavement at present obtains certain progress, bituminous pavement flame retardant constituent is more single, partial size compared with
Greatly, single-stage load, directly admixture, shortage cooperative flame retardant, road surface self-extinguishment is poor, and there is also many problem in science needs are further
Research.
Activated carbon fibre (ACF) is the third generation to grow up after powdery, grain dress active carbon in 1970's
New function adsorbent material, activated carbon fibre have in terms of fire-retardant agent carrier because of its good absorption, filling and stability
Good application prospect.The fire retardant of activated carbon fiber-loaded type can greatly improve anti-flammability, not only solve conventional resistance in this way
The problem that agent specific surface area is small, flame retardant activity is low, release process is fast is fired, and also eliminates pure nano level flame retardant band easy to reunite
The problem come.But it currently without the research being related to using activated carbon fiber-loaded composite nanometer flame retardant and method for coating, mentions
The additive amount of fire retardant and fire-retardant, smoke suppressing effect in high bituminous pavement.The present invention proposes multiple using activated carbon fiber-loaded nanometer
Fire-retardant agent method is closed, and activated carbon fibre is coated, the reinforcement material as bituminous pavement, fixed nano composite fire retardant
Agent improves tunnel sheet pavement fire safety.
Summary of the invention
(1) technical problem
Activated carbon fiber-loaded composite nanometer flame retardant and method for coating, this method are used it is an object of the present invention to provide a kind of
Nanoscale composite flame-retardant agent is loaded using activated carbon fibre and suitable covering material is selected to coat it, is solved
Bituminous pavement fire retardant volume is low at present, influence bituminous pavement routine service performance, release process is fast, flame retardant effect is poor asks
Topic improves fire retardant to the efficient inhibiting effect of pitch thermal decomposition process.
(2) technical solution
That there are fire retardant volumes is low, it is fast to influence bituminous pavement routine service performance, release process in view of current bituminous pavement,
The problem of flame retardant effect difference, the present invention provide a kind of activated carbon fiber-loaded composite nanometer flame retardant of use and coat to it
Method.Technical solution of the present invention is as follows: first under the conditions of ultrasonic wave aid dispersion, activated carbon fibre being added to the concentrated sulfuric acid
In the mixed acid solution of concentrated nitric acid, it is aided with mechanical stirring and carries out oxidation processes；Then, mixed acid solution is diluted with deionized water, it will
Activated carbon fibre is placed on miillpore filter, cleaning active carbon fiber surface impurity and residue, drying for standby in baking oven；Then,
Activated carbon fibre is added in the salting liquid of composite nanometer flame retardant ion, ultrasonic disperse, ammonia precipitation process agent is added, in room temperature
Under continue to stir, composite nanometer flame retardant be deposited in activated carbon fibre hole and surface on；Finally, drying in an oven, then
It is added in silicone acrylic emulsion, forms clad on activated carbon fibre surface, the composite nanometer flame retardant in fixed activated carbon fibre
Particle.To improve bituminous pavement fire retardant volume, reducing influences bituminous pavement routine service performance, reduction rate of release,
Improve flame retardant effect.
(3) beneficial effect
In order to make bituminous pavement that can also reach road environment special in tunnel while giving full play to own advantages
It is required that i.e. flame-retardancy requirements, when fire occurs in tunnel, bituminous pavement does not encourage fire.Using activity provided by the invention
The method that Carbon fibe loads nanoscale composite flame-retardant agent and suitable material is selected to coat it can increase fire retardant and stablize
Property, delay fire retardant to discharge, to improve the flame retardant property of fire retardant so that fire retardant each step that pitch burns have with
Matched fire retardant play effectiveness, play better flame retardant effect.Solve current bituminous pavement fire retardant volume it is low, influence drip
Green road surface routine service performance, the release problem that process is fast, flame retardant effect is poor.The patented technology provided according to the present invention, passes through
Industry-university-research linkage can develop pitch efficient flame-retarding agent with independent intellectual property rights actively with relevant enterprise cooperation, use
In vcehicular tunnel and Urban Underground Passage bituminous pavement, tunnel and Urban Underground Passage fire safety can be improved, for large size
Theoretical foundation is provided using flame-retardant pitch road surface in tunnel, tunnel is improved and Urban Underground Passage bituminous pavement is used for a long time
Performance improves Asphalt Pavement Fire safety and durability, saves operation cost, has preferable economic benefit.
Specific embodiment
The present invention is that a kind of activated carbon fiber-loaded composite nanometer flame retardant and method for coating, specific implementation step are as follows:
(1) under ultrasonic wave dispersion condition, 5 grams of activated carbon fibre is added to and fill the concentrated sulfuric acid and concentrated nitric acid volume ratio is
In 3: 1 mixed acid solution, it is aided in the case of 300 revs/min of mechanical stirring and carries out oxidation processes 3 hours；
(2) mixed acid solution is diluted to pH with deionized water is 6, and it is 0.2 micron poly- that activated carbon fibre, which is placed on aperture,
On tetrafluoroethene miillpore filter, with deionized water cleaning active carbon fiber surface impurity and residue, in 80 DEG C of vacuum drying oven
Middle drying 24 hours spare；
(3) spare activated carbon fibre is added to the salting liquid of the composite nanometer flame retardant ion containing required load
In, and it is dispersed in the solution to be added a certain amount of polyvinyl alcohol enhancing activated carbon fibre, ultrasonic disperse 10 minutes；
(4) ammonia precipitation process agent is added, adjusting pH value of solution is 10, continues stirring 12 hours at room temperature, reacts in the liquid phase
Generate composite nanometer flame retardant, and be deposited in activated carbon fibre the hole in surface on；
(5) activated carbon fibre for loading composite nanometer flame retardant is 24 hours dry in 105 DEG C of baking oven, load is made
The activated carbon fibre of composite nanometer flame retardant particle；
(6) activated carbon fibre for loading composite nanometer flame retardant particle is added in silicone acrylic emulsion, under the conditions of 80 DEG C
Stirring 5 hours keeps the temperature 12 hours at 40 DEG C, 12 hours dry at 105 DEG C, forms clad on activated carbon fibre surface, fixed
Composite nanometer flame retardant particle in activated carbon fibre delays fire retardant rate of release under high temperature.
Claims (1)
1. a kind of activated carbon fiber-loaded composite nanometer flame retardant and method for coating, it is characterised in that the specific steps of this method are such as
Under:
(1) under ultrasonic wave dispersion condition, 5 grams of activated carbon fibre is added to and fill the concentrated sulfuric acid and concentrated nitric acid volume ratio as 3:1
Mixed acid solution in, be aided in the case of 300 revs/min of mechanical stirring and carry out oxidation processes 3 hours；
(2) mixed acid solution is diluted to pH with deionized water is 6, and activated carbon fibre is placed on the polytetrafluoro that aperture is 0.2 micron
On ethylene miillpore filter, with deionized water cleaning active carbon fiber surface impurity and residue, done in 80 DEG C of vacuum drying oven
Dry 24 hours spare；
(3) spare activated carbon fibre is added in the salting liquid of the composite nanometer flame retardant ion containing required load, and
It is dispersed in the solution that a certain amount of polyvinyl alcohol enhancing activated carbon fibre is added, ultrasonic disperse 10 minutes；
(4) ammonia precipitation process agent is added, adjusting pH value of solution is 10, continues stirring 12 hours at room temperature, and reaction generates in the liquid phase
Composite nanometer flame retardant, and be deposited in activated carbon fibre hole and surface on；
(5) activated carbon fibre for loading composite nanometer flame retardant is 24 hours dry in 105 DEG C of baking oven, load nanometer is made
The activated carbon fibre of composite flame-retardant agent particle；
(6) activated carbon fibre for loading composite nanometer flame retardant particle is added in silicone acrylic emulsion, stirs 5 under the conditions of 80 DEG C
Hour, 12 hours are kept the temperature at 40 DEG C, it is 12 hours dry at 105 DEG C, clad, fixed active carbon are formed on activated carbon fibre surface
Composite nanometer flame retardant particle on fiber delays fire retardant rate of release under high temperature.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810969988.0A CN109265751A (en) | 2018-08-21 | 2018-08-21 | A kind of activated carbon fiber-loaded composite nanometer flame retardant and method for coating |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810969988.0A CN109265751A (en) | 2018-08-21 | 2018-08-21 | A kind of activated carbon fiber-loaded composite nanometer flame retardant and method for coating |
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| CN109265751A true CN109265751A (en) | 2019-01-25 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007070738A (en) * | 2005-09-05 | 2007-03-22 | Gun Ei Chem Ind Co Ltd | Extra fine phenol resin fiber, its assembly and method for producing the same |
| CN103694657A (en) * | 2013-12-24 | 2014-04-02 | 南京理工大学 | Flame-retardant polylactic acid material of ternary composite flame-retardant system and preparation method thereof |
| CN104845346A (en) * | 2015-04-28 | 2015-08-19 | 芜湖众力部件有限公司 | High-efficiency modified PC (Polycarbonate) composite material loading composite fiber retardant with active carbon fiber and preparation method thereof |
| CN105097302A (en) * | 2015-09-15 | 2015-11-25 | 江苏苏通碳纤维有限公司 | Activated carbon fibers for supercapacitor and preparation method therefor |
| CN105199182A (en) * | 2015-10-28 | 2015-12-30 | 辽宁石油化工大学 | Polyolefin flame retardant |
-
2018
- 2018-08-21 CN CN201810969988.0A patent/CN109265751A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007070738A (en) * | 2005-09-05 | 2007-03-22 | Gun Ei Chem Ind Co Ltd | Extra fine phenol resin fiber, its assembly and method for producing the same |
| CN103694657A (en) * | 2013-12-24 | 2014-04-02 | 南京理工大学 | Flame-retardant polylactic acid material of ternary composite flame-retardant system and preparation method thereof |
| CN104845346A (en) * | 2015-04-28 | 2015-08-19 | 芜湖众力部件有限公司 | High-efficiency modified PC (Polycarbonate) composite material loading composite fiber retardant with active carbon fiber and preparation method thereof |
| CN105097302A (en) * | 2015-09-15 | 2015-11-25 | 江苏苏通碳纤维有限公司 | Activated carbon fibers for supercapacitor and preparation method therefor |
| CN105199182A (en) * | 2015-10-28 | 2015-12-30 | 辽宁石油化工大学 | Polyolefin flame retardant |
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