CN109575622A - A kind of fire-retardant stalk compound material and preparation method thereof - Google Patents
A kind of fire-retardant stalk compound material and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/14—Gas barrier composition
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention belongs to fire-retardant fireproof field of material technology, and in particular to a kind of fire-retardant stalk compound material and preparation method thereof.The invention discloses a kind of fire-retardant stalk compound materials, the component of the composite material includes stalk, polyether polyol, maleic anhydride graft compatilizer, lubricant, stabilizer, fire retardant, antioxidant and graphene oxide, the weight content of each component are as follows: 60 parts~80 parts of stalk；15 parts~20 parts of polyether polyol；12 parts~16 parts of maleic anhydride graft compatilizer；3 parts~8 parts of lubricant；3 parts~5 parts of stabilizer；20 parts~25 parts of fire retardant；0.1 part~0.5 part of antioxidant；0.1 part~1 part of graphene oxide.The purpose of the present invention is: it is intended to provide a kind of fire-retardant stalk compound material and preparation method thereof, it is simple process, low in cost, environmental-friendly, inflammable stalk can be made to become the material with flame retardant property.
Description
Technical field
The invention belongs to fire-retardant fireproof field of material technology, and in particular to a kind of fire-retardant stalk compound material and its preparation side
Method.
Background technique
Stalk material is a kind of natural polymer, has raw material resources, product plasticization, is passed through using environmental protection, cost
The advantages that Jiization, reclaiming.The density of stalk fibre is small, is the half of glass fiber density, with stalk fibre composite wood
Material can mitigate architecture quality, lower than the irreproducibility energy consumed by other materials.Stalk fibrous composite has
Advantageous characteristic less than traditional timber, product surface is smooth, smooth, firm, and can suppress various cubes of patterns and shape,
Complicated secondary operation is not needed；Water-resistance, anti-insect, anticorrosive property and resistance tocrocking are significantly better than timber；Using low
The timber of quality can but obtain the product with high-quality wood performance as raw material.
But the wallboard or other products produced now with stalk material, flame retardant property is poor, often in certain need
It wants fire-retardant place that can not use, the purposes of product is caused to be restricted.
Summary of the invention
The purpose of the present invention is: be intended to provide a kind of fire-retardant stalk compound material and preparation method thereof, simple process, at
This is cheap, environmental-friendly, and inflammable stalk can be made to become the material with flame retardant property.
To realize the above-mentioned technical purpose, The technical solution adopted by the invention is as follows:
A kind of fire-retardant stalk compound material, the component of the composite material include stalk, polyether polyol, maleic anhydride grafting
Compatilizer, lubricant, stabilizer, fire retardant, antioxidant and graphene oxide, the weight content of each component are as follows:
As a preferred solution of the present invention, the lubricant is that dimethicone, stearic acid, polyester be cured and stearoyl
One of amine is a variety of.
As a preferred solution of the present invention, the stabilizer is organotin.
As a preferred solution of the present invention, the fire retardant be guanylurea phosphate, methylolation guanylurea phosphate and
One of ammonium polyphosphate is a variety of.
As a preferred solution of the present invention, the antioxidant is one in diphenylamines, p-phenylenediamine and dihydroquinoline
Kind is a variety of.
A kind of preparation method of fire-retardant stalk compound material, it is characterised in that: include the following steps,
Step 1: stalk medulla department is removed, and is then dried under the conditions of 95 DEG C~105 DEG C, so that stalk
Water content is less than 5%；
Step 2: the stalk that the step 1 is obtained carries out grinding, is then screened, is obtained by the aperture of 0.1mm
To straw powder；
Step 3: graphene oxide is placed in deionized water, is dispersed with ultrasonic wave, and graphene oxide water solution is obtained；
Step 4: the straw powder that the step 2 obtains being added in graphene oxide water solution, is stirred with blender,
In whipping process, polyether polyol, maleic anhydride graft compatilizer, lubricant, stabilizer, fire retardant and antioxygen are sequentially added
30min~60min is stirred in agent after addition.
Step 5: the composite material that the step 4 is obtained dry 12h~14h at 70 DEG C~80 DEG C is obtained fire-retardant
Stalk compound material.
As a preferred solution of the present invention, in the step 3, ultrasonic dispersing time is 3h~5h.
As a preferred solution of the present invention, the concentration of graphene oxide water solution made from the step 3 is
0.5mg/mL~1mg/mL.
As a preferred solution of the present invention, in the step 4, polyether polyol, maleic anhydride grafting are sequentially added
When compatilizer, lubricant, stabilizer, fire retardant and antioxidant, after former reagent is added, interval 5min~
Latter reagent is added in 10min.
As a preferred solution of the present invention, in the step 4, polyether polyol, maleic anhydride grafting are sequentially added
When compatilizer, lubricant, stabilizer, fire retardant and antioxidant, the stirring rate of blender is 500r/min~600r/
Min, is turned up the rate of blender after addition, the rate of blender is 900r/min~1100r/min.
Beneficial effects of the present invention:
1, the present invention uses graphene oxide to utilize graphene oxide for the important component of fire-retardant stalk compound material
The specific surface area of superelevation, superior gas-insulated performance and absorption property, improve the flame retardant property of fire-retardant stalk compound material；
2, the present invention uses graphene oxide to utilize graphene oxide for the important component of fire-retardant stalk compound material
Superpower mechanical strength and thermal stability, improves the thermal stability of fire-retardant stalk compound material；
3, fire-retardant stalk compound material fire protecting performance of the invention can reach B1；
4, simple production process of the invention, processing cost are lower.
Specific embodiment
In order to make those skilled in the art that the present invention may be better understood, embodiment of the present invention will be made below into
One step explanation.
Embodiment one
Step 1: stalk medulla department is removed, and is then dried under the conditions of 100 DEG C, so that the water content of stalk
It is 3%；
Step 2: the stalk that step 1 is obtained carries out grinding, is then screened by the aperture of 0.1mm, obtains straw
Stalk powder；
Step 3: taking 0.1 part of graphene oxide to be placed in deionized water, disperses 3h with ultrasonic wave, obtaining concentration is
0.5mg/mL graphene oxide water solution；
Step 4: 60 parts of the straw powder for taking step 2 to obtain is added in graphene oxide water solution, is stirred with blender
It mixes, under the stirring rate of 500r/min, sequentially adds 15 parts of polyether polyol, 12 parts of maleic anhydride graft compatilizer, lubrication
3 parts of agent, 3 parts of stabilizer, 20 parts of fire retardant and 0.1 part of antioxidant, are stirred under the stirring rate of 900r/min after addition
60min。
Step 5: the composite material that the step 4 is obtained dry 14h at 70 DEG C obtains fire-retardant stalk compound material
One.
Embodiment two
Step 1: stalk medulla department is removed, and is then dried under the conditions of 95 DEG C, so that the water content of stalk is
4%；
Step 2: the stalk that step 1 is obtained carries out grinding, is then screened by the aperture of 0.1mm, obtains straw
Stalk powder；
Step 3: taking 1 part of graphene oxide to be placed in deionized water, disperses 5h with ultrasonic wave, and obtaining concentration is 1mg/mL
Graphene oxide water solution；
Step 4: 80 parts of the straw powder for taking step 2 to obtain is added in graphene oxide water solution, is stirred with blender
It mixes, under the stirring rate of 600r/min, sequentially adds 20 parts of polyether polyol, 16 parts of maleic anhydride graft compatilizer, lubrication
8 parts of agent, 5 parts of stabilizer, 25 parts of fire retardant and 0.5 part of antioxidant, are stirred under the stirring rate of 1100r/min after addition
60min。
Step 5: the composite material that the step 4 is obtained dry 12h at 80 DEG C obtains fire-retardant stalk compound material
Two.
Embodiment three
Step 1: stalk medulla department is removed, and is then dried under the conditions of 102 DEG C, so that the water content of stalk
It is 3.8%；
Step 2: the stalk that step 1 is obtained carries out grinding, is then screened by the aperture of 0.1mm, obtains straw
Stalk powder；
Step 3: taking 0.5 part of graphene oxide to be placed in deionized water, disperses 4.5h with ultrasonic wave, obtaining concentration is
0.8mg/mL graphene oxide water solution；
Step 4: 75 parts of the straw powder for taking step 2 to obtain is added in graphene oxide water solution, is stirred with blender
It mixes, under the stirring rate of 580r/min, sequentially adds 17 parts of polyether polyol, 14 parts of maleic anhydride graft compatilizer, lubrication
5 parts of agent, 4 parts of stabilizer, 22 parts of fire retardant and 0.3 part of antioxidant, are stirred under the stirring rate of 1000r/min after addition
45min。
Step 5: the composite material that the step 4 is obtained dry 13h at 78 DEG C obtains fire-retardant stalk compound material
Three.
Example IV
Step 1: stalk medulla department is removed, and is then dried under the conditions of 97 DEG C, so that the water content of stalk is
3.1%；
Step 2: the stalk that step 1 is obtained carries out grinding, is then screened by the aperture of 0.1mm, obtains straw
Stalk powder；
Step 3: taking 0.3 part of graphene oxide to be placed in deionized water, disperses 3.5h with ultrasonic wave, obtaining concentration is
0.7mg/mL graphene oxide water solution；
Step 4: 65 parts of the straw powder for taking step 2 to obtain is added in graphene oxide water solution, is stirred with blender
It mixes, under the stirring rate of 550r/min, sequentially adds 18 parts of polyether polyol, 15 parts of maleic anhydride graft compatilizer, lubrication
6 parts of agent, 3 parts of stabilizer, 23 parts of fire retardant and 0.3 part of antioxidant, are stirred under the stirring rate of 1050r/min after addition
50min。
Step 5: the composite material that the step 4 is obtained dry 13h at 75 DEG C obtains fire-retardant stalk compound material
Four.
Embodiment five
Step 1: stalk medulla department is removed, and is then dried under the conditions of 100 DEG C, so that the water content of stalk
It is 3.6%；
Step 2: the stalk that step 1 is obtained carries out grinding, is then screened by the aperture of 0.1mm, obtains straw
Stalk powder；
Step 3: taking 0.7 part of graphene oxide to be placed in deionized water, disperses 4h with ultrasonic wave, obtaining concentration is
0.9mg/mL graphene oxide water solution；
Step 4: 70 parts of the straw powder for taking step 2 to obtain is added in graphene oxide water solution, is stirred with blender
It mixes, under the stirring rate of 530r/min, sequentially adds 16 parts of polyether polyol, 15 parts of maleic anhydride graft compatilizer, lubrication
5 parts of agent, 3 parts of stabilizer, 21 parts of fire retardant and 0.2 part of antioxidant, are stirred under the stirring rate of 950r/min after addition
55min。
Step 5: the composite material that the step 4 is obtained dry 12h at 77 DEG C obtains fire-retardant stalk compound material
Five.
Embodiment six
Step 1: stalk medulla department is removed, and is then dried under the conditions of 104 DEG C, so that the water content of stalk
It is 3.1%；
Step 2: the stalk that step 1 is obtained carries out grinding, is then screened by the aperture of 0.1mm, obtains straw
Stalk powder；
Step 3: taking 0.4 part of graphene oxide to be placed in deionized water, disperses 5h with ultrasonic wave, and obtaining concentration is 1mg/
ML graphene oxide water solution；
Step 4: 75 parts of the straw powder for taking step 2 to obtain is added in graphene oxide water solution, is stirred with blender
It mixes, under the stirring rate of 560r/min, sequentially adds 20 parts of polyether polyol, 12 parts of maleic anhydride graft compatilizer, lubrication
4 parts of agent, 3 parts of stabilizer, 20 parts of fire retardant and 0.2 part of antioxidant, are stirred under the stirring rate of 1100r/min after addition
35min。
Step 5: the composite material that the step 4 is obtained dry 14h at 74 DEG C obtains fire-retardant stalk compound material
Six.
Embodiment seven
Step 1: stalk medulla department is removed, and is then dried under the conditions of 100 DEG C, so that the water content of stalk
It is 3.2%；
Step 2: the stalk that step 1 is obtained carries out grinding, is then screened by the aperture of 0.1mm, obtains straw
Stalk powder；
Step 3: taking 0.8 part of graphene oxide to be placed in deionized water, disperses 5h with ultrasonic wave, obtaining concentration is
0.8mg/mL graphene oxide water solution；
Step 4: 63 parts of the straw powder for taking step 2 to obtain is added in graphene oxide water solution, is stirred with blender
It mixes, under the stirring rate of 560r/min, sequentially adds 17 parts of polyether polyol, 16 parts of maleic anhydride graft compatilizer, lubrication
7 parts of agent, 4 parts of stabilizer, 23 parts of fire retardant and 0.4 part of antioxidant, are stirred under the stirring rate of 1100r/min after addition
35min。
Step 5: the composite material that the step 4 is obtained dry 14h at 74 DEG C obtains fire-retardant stalk compound material
Seven.
Embodiment eight
Step 1: stalk medulla department is removed, and is then dried under the conditions of 104 DEG C, so that the water content of stalk
It is 3.1%；
Step 2: the stalk that step 1 is obtained carries out grinding, is then screened by the aperture of 0.1mm, obtains straw
Stalk powder；
Step 3: taking 0.9 part of graphene oxide to be placed in deionized water, disperses 5h with ultrasonic wave, obtaining concentration is
0.7mg/mL graphene oxide water solution；
Step 4: 68 parts of the straw powder for taking step 2 to obtain is added in graphene oxide water solution, is stirred with blender
It mixes, under the stirring rate of 560r/min, sequentially adds 16 parts of polyether polyol, 14 parts of maleic anhydride graft compatilizer, lubrication
8 parts of agent, 4 parts of stabilizer, 24 parts of fire retardant and 0.4 part of antioxidant, are stirred under the stirring rate of 1100r/min after addition
35min。
Step 5: the composite material that the step 4 is obtained dry 14h at 78 DEG C obtains fire-retardant stalk compound material
Eight.
Embodiment nine
Step 1: stalk medulla department is removed, and is then dried under the conditions of 104 DEG C, so that the water content of stalk
It is 3.5%；
Step 2: the stalk that step 1 is obtained carries out grinding, is then screened by the aperture of 0.1mm, obtains straw
Stalk powder；
Step 3: taking 0.2 part of graphene oxide to be placed in deionized water, disperses 5h with ultrasonic wave, and obtaining concentration is 1mg/
ML graphene oxide water solution；
Step 4: 72 parts of the straw powder for taking step 2 to obtain is added in graphene oxide water solution, is stirred with blender
It mixes, under the stirring rate of 580r/min, sequentially adds 15 parts of polyether polyol, 13 parts of maleic anhydride graft compatilizer, lubrication
3 parts of agent, 5 parts of stabilizer, 21 parts of fire retardant and 0.5 part of antioxidant, are stirred under the stirring rate of 1100r/min after addition
35min。
Step 5: the composite material that the step 4 is obtained dry 13h at 76 DEG C obtains fire-retardant stalk compound material
Nine.
Embodiment ten
Step 1: stalk medulla department is removed, and is then dried under the conditions of 101 DEG C, so that the water content of stalk
It is 3.1%；
Step 2: the stalk that step 1 is obtained carries out grinding, is then screened by the aperture of 0.1mm, obtains straw
Stalk powder；
Step 3: taking 0.6 part of graphene oxide to be placed in deionized water, disperses 5h with ultrasonic wave, obtaining concentration is
0.6mg/mL graphene oxide water solution；
Step 4: 78 parts of the straw powder for taking step 2 to obtain is added in graphene oxide water solution, is stirred with blender
It mixes, under the stirring rate of 560r/min, sequentially adds 20 parts of polyether polyol, 15 parts of maleic anhydride graft compatilizer, lubrication
6 parts of agent, 4 parts of stabilizer, 25 parts of fire retardant and 0.1 part of antioxidant, are stirred under the stirring rate of 1150r/min after addition
35min。
Step 5: the composite material that the step 4 is obtained dry 13h at 74 DEG C obtains fire-retardant stalk compound material
Ten.
Embodiment 11
Step 1: stalk medulla department is removed, and is then dried under the conditions of 98 DEG C, so that the water content of stalk is
3.6%；
Step 2: the stalk that step 1 is obtained carries out grinding, is then screened by the aperture of 0.1mm, obtains straw
Stalk powder；
Step 3: taking 0.7 part of graphene oxide to be placed in deionized water, disperses 5h with ultrasonic wave, and obtaining concentration is 1mg/
ML graphene oxide water solution；
Step 4: 76 parts of the straw powder for taking step 2 to obtain is added in graphene oxide water solution, is stirred with blender
It mixes, under the stirring rate of 560r/min, sequentially adds 18 parts of polyether polyol, 12 parts of maleic anhydride graft compatilizer, lubrication
4 parts of agent, 5 parts of stabilizer, 20 parts of fire retardant and 0.5 part of antioxidant, are stirred under the stirring rate of 1100r/min after addition
35min。
Step 5: the composite material that the step 4 is obtained dry 14h at 74 DEG C obtains fire-retardant stalk compound material
11.
Embodiment 12
Step 1: stalk medulla department is removed, and is then dried under the conditions of 100 DEG C, so that the water content of stalk
It is 3.3%；
Step 2: the stalk that step 1 is obtained carries out grinding, is then screened by the aperture of 0.1mm, obtains straw
Stalk powder；
Step 3: taking 0.2 part of graphene oxide to be placed in deionized water, disperses 5h with ultrasonic wave, and obtaining concentration is 1mg/
ML graphene oxide water solution；
Step 4: 74 parts of the straw powder for taking step 2 to obtain is added in graphene oxide water solution, is stirred with blender
It mixes, under the stirring rate of 560r/min, sequentially adds 19 parts of polyether polyol, 14 parts of maleic anhydride graft compatilizer, lubrication
5 parts of agent, 5 parts of stabilizer, 21 parts of fire retardant and 0.4 part of antioxidant, are stirred under the stirring rate of 1100r/min after addition
45min。
Step 5: the composite material that the step 4 is obtained dry 14h at 74 DEG C obtains fire-retardant stalk compound material
12.
Embodiment 13
Step 1: stalk medulla department is removed, and is then dried under the conditions of 100 DEG C, so that the water content of stalk
It is 3.3%；
Step 2: the stalk that step 1 is obtained carries out grinding, is then screened by the aperture of 0.1mm, obtains straw
Stalk powder；
Step 3: taking 0.7 part of graphene oxide to be placed in deionized water, disperses 5h with ultrasonic wave, obtaining concentration is
0.5mg/mL graphene oxide water solution；
Step 4: 69 parts of the straw powder for taking step 2 to obtain is added in graphene oxide water solution, is stirred with blender
It mixes, under the stirring rate of 560r/min, sequentially adds 15 parts of polyether polyol, 15 parts of maleic anhydride graft compatilizer, lubrication
8 parts of agent, 3 parts of stabilizer, 25 parts of fire retardant and 0.2 part of antioxidant, are stirred under the stirring rate of 1150r/min after addition
40min。
Step 5: the composite material that the step 4 is obtained dry 14h at 76 DEG C obtains fire-retardant stalk compound material
13.
Embodiment 14
Step 1: stalk medulla department is removed, and is then dried under the conditions of 100 DEG C, so that the water content of stalk
It is 3.6%；
Step 2: the stalk that step 1 is obtained carries out grinding, is then screened by the aperture of 0.1mm, obtains straw
Stalk powder；
Step 3: taking 0.1 part of graphene oxide to be placed in deionized water, disperses 5h with ultrasonic wave, and obtaining concentration is 1mg/
ML graphene oxide water solution；
Step 4: 64 parts of the straw powder for taking step 2 to obtain is added in graphene oxide water solution, is stirred with blender
It mixes, under the stirring rate of 580r/min, sequentially adds 20 parts of polyether polyol, 13 parts of maleic anhydride graft compatilizer, lubrication
3 parts of agent, 4 parts of stabilizer, 24 parts of fire retardant and 0.3 part of antioxidant, are stirred under the stirring rate of 1100r/min after addition
30min。
Step 5: the composite material that the step 4 is obtained dry 14h at 75 DEG C obtains fire-retardant stalk compound material
14.
Embodiment 15
Step 1: stalk medulla department is removed, and is then dried under the conditions of 104 DEG C, so that the water content of stalk
It is 3.2%；
Step 2: the stalk that step 1 is obtained carries out grinding, is then screened by the aperture of 0.1mm, obtains straw
Stalk powder；
Step 3: taking 1 part of graphene oxide to be placed in deionized water, disperses 5h with ultrasonic wave, and obtaining concentration is 0.5mg/
ML graphene oxide water solution；
Step 4: 66 parts of the straw powder for taking step 2 to obtain is added in graphene oxide water solution, is stirred with blender
It mixes, under the stirring rate of 560r/min, sequentially adds 19 parts of polyether polyol, 12 parts of maleic anhydride graft compatilizer, lubrication
6 parts of agent, 5 parts of stabilizer, 20 parts of fire retardant and 0.1 part of antioxidant, are stirred under the stirring rate of 1100r/min after addition
35min。
Step 5: the composite material that the step 4 is obtained dry 13h at 74 DEG C obtains fire-retardant stalk compound material
15.
In above-mentioned each embodiment, the content detail of each component is shown in Table 1:
The each embodiment constituent content of table 1
In order to examine the performance of the fire-retardant stalk compound material of the present invention, has chosen resins fire retardant material common in the market and make
For control, detection method, verifies the impact of performance of the present invention according to national standards, and specific data are shown in Table 2.
2 flame retardant property Indexs measure of table
As can be seen from Table 2, fire-retardant stalk compound material prepared by the present invention, maximum smoke density is relative to resins fire retardant material
Material reduces, and reaches maximum smoke density time increase, and oxygen index (OI) increases, and flaming combustion time and glowing time reduce more；And
And fire-retardant stalk compound material fire-protection rating prepared by the present invention is B1 grades.
Above-described embodiment is merely exemplary to illustrate the principle of the present invention and its effect, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, all those of ordinary skill in the art are completed without departing from the spirit and technical ideas disclosed in the present invention
All equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of fire-retardant stalk compound material, it is characterised in that: the component of the composite material include stalk, polyether polyol,
Maleic anhydride graft compatilizer, lubricant, stabilizer, fire retardant, antioxidant and graphene oxide, the weight of each component
Content are as follows:
2. a kind of fire-retardant stalk compound material according to claim 1, it is characterised in that: the lubricant is dimethyl-silicon
Oil, stearic acid, polyester be cured and one of stearmide or a variety of.
3. a kind of fire-retardant stalk compound material according to claim 1, it is characterised in that: the stabilizer is organotin.
4. a kind of fire-retardant stalk compound material according to claim 1, it is characterised in that: the fire retardant is phosphoric acid amidino groups
One of urea, methylolation guanylurea phosphate and ammonium polyphosphate are a variety of.
5. a kind of fire-retardant stalk compound material according to claim 1, it is characterised in that: the antioxidant be diphenylamines,
One of p-phenylenediamine and dihydroquinoline are a variety of.
6. a kind of preparation method of fire-retardant stalk compound material as claimed in any one of claims 1 to 5, wherein, it is characterised in that:
Include the following steps,
Step 1: stalk medulla department is removed, and is then dried under the conditions of 95 DEG C~105 DEG C, so that stalk is aqueous
Amount is less than 5%；
Step 2: the stalk that the step 1 is obtained carries out grinding, is then screened by the aperture of 0.1mm, obtains straw
Stalk powder；
Step 3: graphene oxide is placed in deionized water, is dispersed with ultrasonic wave, and graphene oxide water solution is obtained；
Step 4: the straw powder that the step 2 obtains being added in graphene oxide water solution, is stirred with blender, is being stirred
During mixing, polyether polyol, maleic anhydride graft compatilizer, lubricant, stabilizer, fire retardant and antioxidant are sequentially added,
30min~60min is stirred after addition.
Step 5: the composite material that the step 4 is obtained dry 12h~14h at 70 DEG C~80 DEG C obtains fire-retardant stalk
Composite material.
7. a kind of preparation method of fire-retardant stalk compound material according to claim 6, it is characterised in that: the step 3
In, ultrasonic dispersing time is 3h~5h.
8. a kind of preparation method of fire-retardant stalk compound material according to claim 7, it is characterised in that: the step 3
The concentration of graphene oxide water solution obtained is 0.5mg/mL~1mg/mL.
9. a kind of preparation method of fire-retardant stalk compound material according to claim 8, it is characterised in that: the step 4
In, when sequentially adding polyether polyol, maleic anhydride graft compatilizer, lubricant, stabilizer, fire retardant and antioxidant,
After former reagent is added, latter reagent is added in interval 5min~10min.
10. a kind of preparation method of fire-retardant stalk compound material according to claim 9, it is characterised in that: the step
In four, sequentially add polyether polyol, maleic anhydride graft compatilizer, lubricant, stabilizer, fire retardant and antioxidant when
It waits, the stirring rate of blender is 500r/min~600r/min, and the rate of blender, the speed of blender are turned up after addition
Rate is 900r/min~1100r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710907932.8A CN109575622A (en) | 2017-09-29 | 2017-09-29 | A kind of fire-retardant stalk compound material and preparation method thereof |
Applications Claiming Priority (1)
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