CN109593344A - A kind of fire-retardant heat insulation foamed material and its preparation process - Google Patents
A kind of fire-retardant heat insulation foamed material and its preparation process Download PDFInfo
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Abstract
The present invention provides a kind of fire-retardant heat insulation foamed material and its preparation process, and each component is as follows in formula: Pluronic polyols, amines catalyst, foam stabiliser, foaming agent, fire retardant, modified graphene, modified isocyanate, diatomite, lime stone, modified clay, modified coal ash, surfactant, antistatic agent, flame-retardant smoke inhibition additive, increasing property fiber.Specific steps are as follows: lime stone is calcined, adds water, stirring；Diatomite is mixed with reinforcing fiber and quartz sand；Add modified clay, modified coal ash and surfactant；Limestone mix, slurry and other raw materials are heated and stirred；It is injected later with after modified isocyanate preheating by foaming machine, fire-retardant heat insulation foamed material is made.Antistatic agent and flame-retardant smoke inhibition additive are added in thermal insulation material in inventive formulation, electrostatic is effectively prevented and assembles in thermal insulation material, fire is generated so as to avoid organic combustibles are ignited, reduces security risk.
Description
Technical field
The present invention relates to insulating tube manufacturing process technology field more particularly to a kind of fire-retardant heat insulation foamed material and its preparations
Technique.
Background technique
Insulating tube is the abbreviation of insulated piping, and insulating tube is used for the conveying of liquid, gas and other media, in petroleum, is changed
The engineering thermal insulation of the pipelines such as work, space flight, hot spring, military affairs, central heating, central air-conditioning, municipal administration is kept the temperature.Existing insulating tube heat preservation
Material mostly uses polyurethane foam material, has the advantages that density is small, material is light, easy to transportation and installation, but in autumn and winter
When air humidity is lower, the easy static electricity gathered of polyurethane foam material is easy to ignite organic combustibles and generate fire, and there are safety
Hidden danger.
Summary of the invention
Present invention seek to address that the deficiencies in the prior art, and provide a kind of fire-retardant heat insulation foamed material and its preparation process.
The present invention to achieve the above object, using following technical scheme:
A kind of fire-retardant heat insulation foamed material, formula in each component parts by weight it is as follows:
6-8 parts of Pluronic polyols,
0.1-0.2 parts of amines catalyst,
0.2-0.4 parts of foam stabiliser,
1-2 parts of foaming agent,
0.8-1.5 parts of fire retardant,
0.5-0.8 parts of modified graphene,
10-11 parts of modified isocyanate,
17-18 parts of diatomite,
8-9 parts of lime stone,
5-7 parts of quartz sand,
Clay 0.6-0.8 parts modified,
0.8-1.2 parts of modified coal ash,
0.3-0.5 parts of surfactant,
0.5-1 parts of antistatic agent,
1-1.2 parts of flame-retardant smoke inhibition additive,
0.5-0.7 parts of fiber of increasing property,
50-60 parts of water.
Preferably, foaming agent is lauryl sodium sulfate, sodium metasilicate, triethoxybutane according to weight ratio 2:1:1 composition
Mixture.
Preferably, flame-retardant smoke inhibition additive is magnesium hydroxide, aluminium hydroxide, ammonium polyphosphate and expansible graphite according to weight
Than the mixture of 2:2:1:3 composition.
Preferably, surfactant is Sodium Polyacrylate, sodium carboxymethylcellulose, Sodium Polyacrylate and carboxymethyl cellulose
One of sodium or a variety of combinations.
Preferably, increasing property fiber is silicon carbide fibre, basalt fibre, acetate fiber, polyvinyl chloride fibre according to comparing again
The mixture of 3:2:1:1 composition.
Preferably, antistatic agent is polyoxyethylene dodecyl amine and octadecyldiethanol amine according to weight ratio 2:1 group
At mixture.
A kind of preparation process of fire-retardant heat insulation foamed material, the specific steps are as follows:
Step 1 calcines lime stone, 790-840 DEG C of calcination temperature, calcines 1-2 hours, the ripe stone that will have been calcined
Ash is mixed and is stirred with water, and is carried out under 65-75 DEG C of calcining heating water bath, is stirred 10-14 minutes, and it is mixed to obtain lime stone
Close object；
Step 2 carries out purification processes to diatomite, then mixes with increasing property fiber and quartz sand, is ground to 300-400
Mesh, then through 150-160 DEG C of heat treatment, obtain composite material；
Modified clay, modified coal ash and surfactant, warp are added into composite material made from step 2 for step 3
Ball mill ball milling 2-3 hours, then it is watered the slurry for stirring into that solid content is 45-50%；
Step 4, by slurry made from limestone mix made from step 1, step 3 and Pluronic polyols, amine
Catalyst, foam stabiliser, foaming agent, fire retardant, modified graphene, antistatic agent, flame-retardant smoke inhibition additive, increasing property fiber add
Heat simultaneously stirs, and temperature is 90-100 DEG C, and mixing speed is 260-340r/ minutes, and the time is 45-55 minutes, and mixture A is made；
Step 5 will be injected into mold by foaming machine after mixture A made from step 4 and modified isocyanate preheating
Or in the cavity of insulating tube, foamed time 22-25 minutes, fire-retardant heat insulation foamed material is made.
The beneficial effects of the present invention are: antistatic agent and flame-retardant smoke inhibition additive are added to thermal insulating material in inventive formulation
It in material, effectively prevents electrostatic and assembles in thermal insulation material, generate fire so as to avoid organic combustibles are ignited, reduce
Security risk, while increasing property fiber makes thermal insulation material have fabulous mechanical property, impact property and good size steady
Qualitative and wear-resisting, scraping and wiping resistance performance.
Specific embodiment
Below with reference to embodiment, the invention will be further described:
A kind of fire-retardant heat insulation foamed material, formula in each component parts by weight it is as follows:
6-8 parts of Pluronic polyols,
0.1-0.2 parts of amines catalyst,
0.2-0.4 parts of foam stabiliser,
1-2 parts of foaming agent,
0.8-1.5 parts of fire retardant,
0.5-0.8 parts of modified graphene,
10-11 parts of modified isocyanate,
17-18 parts of diatomite,
8-9 parts of lime stone,
5-7 parts of quartz sand,
Clay 0.6-0.8 parts modified,
0.8-1.2 parts of modified coal ash,
0.3-0.5 parts of surfactant,
0.5-1 parts of antistatic agent,
1-1.2 parts of flame-retardant smoke inhibition additive,
0.5-0.7 parts of fiber of increasing property,
50-60 parts of water.
Preferably, foaming agent is lauryl sodium sulfate, sodium metasilicate, triethoxybutane according to weight ratio 2:1:1 composition
Mixture.
Preferably, flame-retardant smoke inhibition additive is magnesium hydroxide, aluminium hydroxide, ammonium polyphosphate and expansible graphite according to weight
Than the mixture of 2:2:1:3 composition.
Preferably, surfactant is Sodium Polyacrylate, sodium carboxymethylcellulose, Sodium Polyacrylate and carboxymethyl cellulose
One of sodium or a variety of combinations.
Preferably, increasing property fiber is silicon carbide fibre, basalt fibre, acetate fiber, polyvinyl chloride fibre according to comparing again
The mixture of 3:2:1:1 composition.
Preferably, antistatic agent is polyoxyethylene dodecyl amine and octadecyldiethanol amine according to weight ratio 2:1 group
At mixture.
A kind of preparation process of fire-retardant heat insulation foamed material, the specific steps are as follows:
Step 1 calcines lime stone, 790-840 DEG C of calcination temperature, calcines 1-2 hours, the ripe stone that will have been calcined
Ash is mixed and is stirred with water, and is carried out under 65-75 DEG C of calcining heating water bath, is stirred 10-14 minutes, and it is mixed to obtain lime stone
Close object；
Step 2 carries out purification processes to diatomite, then mixes with increasing property fiber and quartz sand, is ground to 300-400
Mesh, then through 150-160 DEG C of heat treatment, obtain composite material；
Modified clay, modified coal ash and surfactant, warp are added into composite material made from step 2 for step 3
Ball mill ball milling 2-3 hours, then it is watered the slurry for stirring into that solid content is 45-50%；
Step 4, by slurry made from limestone mix made from step 1, step 3 and Pluronic polyols, amine
Catalyst, foam stabiliser, foaming agent, fire retardant, modified graphene, antistatic agent, flame-retardant smoke inhibition additive, increasing property fiber add
Heat simultaneously stirs, and temperature is 90-100 DEG C, and mixing speed is 260-340r/ minutes, and the time is 45-55 minutes, and mixture A is made；
Step 5 will be injected into mold by foaming machine after mixture A made from step 4 and modified isocyanate preheating
Or in the cavity of insulating tube, foamed time 22-25 minutes, fire-retardant heat insulation foamed material is made.
Embodiment one
A kind of fire-retardant heat insulation foamed material, formula in each component parts by weight it is as follows:
6 parts of Pluronic polyols,
0.1 part of amines catalyst,
0.2 part of foam stabiliser,
1 part of foaming agent,
0.8 part of fire retardant,
0.5 part of modified graphene,
10 parts of modified isocyanate,
17 parts of diatomite,
8 parts of lime stone,
5 parts of quartz sand,
Modified 0.6 part of clay,
0.8 part of modified coal ash,
0.3 part of surfactant,
0.5 part of antistatic agent,
1 part of flame-retardant smoke inhibition additive,
0.5 part of fiber of increasing property,
50 parts of water.
Preferably, foaming agent is lauryl sodium sulfate, sodium metasilicate, triethoxybutane according to weight ratio 2:1:1 composition
Mixture.
Preferably, flame-retardant smoke inhibition additive is magnesium hydroxide, aluminium hydroxide, ammonium polyphosphate and expansible graphite according to weight
Than the mixture of 2:2:1:3 composition.
Preferably, surfactant is Sodium Polyacrylate, sodium carboxymethylcellulose, Sodium Polyacrylate and carboxymethyl cellulose
One of sodium or a variety of combinations.
Preferably, increasing property fiber is silicon carbide fibre, basalt fibre, acetate fiber, polyvinyl chloride fibre according to comparing again
The mixture of 3:2:1:1 composition.
Preferably, antistatic agent is polyoxyethylene dodecyl amine and octadecyldiethanol amine according to weight ratio 2:1 group
At mixture.
A kind of preparation process of fire-retardant heat insulation foamed material, the specific steps are as follows:
Step 1 calcines lime stone, 790 DEG C of calcination temperature, calcines 1 hour, by the white lime calcined and water
It mixes and is stirred, and carried out under 65 DEG C of calcining heating water baths, stir 10 minutes, obtain limestone mix；
Step 2 carries out purification processes to diatomite, then mixes with increasing property fiber and quartz sand, is ground to 300 meshes,
Again through 150 DEG C of heat treatment, composite material is obtained；
Modified clay, modified coal ash and surfactant, warp are added into composite material made from step 2 for step 3
Ball mill ball milling 2 hours, then be watered and stir into the slurry that solid content is 45%；
Step 4, by slurry made from limestone mix made from step 1, step 3 and Pluronic polyols, amine
Catalyst, foam stabiliser, foaming agent, fire retardant, modified graphene, antistatic agent, flame-retardant smoke inhibition additive, increasing property fiber add
Heat simultaneously stirs, and temperature is 90 DEG C, and mixing speed is 260r/ minutes, and the time is 45 minutes, and mixture A is made；
Step 5 will be injected into mold by foaming machine after mixture A made from step 4 and modified isocyanate preheating
Or in the cavity of insulating tube, foamed time 22 minutes, fire-retardant heat insulation foamed material is made.
Embodiment two
A kind of fire-retardant heat insulation foamed material, formula in each component parts by weight it is as follows:
8 parts of Pluronic polyols,
0.2 part of amines catalyst,
0.4 part of foam stabiliser,
2 parts of foaming agent,
1.5 parts of fire retardant,
0.8 part of modified graphene,
11 parts of modified isocyanate,
18 parts of diatomite,
9 parts of lime stone,
7 parts of quartz sand,
Modified 0.8 part of clay,
1.2 parts of modified coal ash,
0.5 part of surfactant,
1 part of antistatic agent,
1.2 parts of flame-retardant smoke inhibition additive,
0.7 part of fiber of increasing property,
60 parts of water.
Preferably, foaming agent is lauryl sodium sulfate, sodium metasilicate, triethoxybutane according to weight ratio 2:1:1 composition
Mixture.
Preferably, flame-retardant smoke inhibition additive is magnesium hydroxide, aluminium hydroxide, ammonium polyphosphate and expansible graphite according to weight
Than the mixture of 2:2:1:3 composition.
Preferably, surfactant is Sodium Polyacrylate, sodium carboxymethylcellulose, Sodium Polyacrylate and carboxymethyl cellulose
One of sodium or a variety of combinations.
Preferably, increasing property fiber is silicon carbide fibre, basalt fibre, acetate fiber, polyvinyl chloride fibre according to comparing again
The mixture of 3:2:1:1 composition.
Preferably, antistatic agent is polyoxyethylene dodecyl amine and octadecyldiethanol amine according to weight ratio 2:1 group
At mixture.
A kind of preparation process of fire-retardant heat insulation foamed material, the specific steps are as follows:
Step 1 calcines lime stone, 840 DEG C of calcination temperature, calcines 2 hours, by the white lime calcined and water
It mixes and is stirred, and carried out under 75 DEG C of calcining heating water baths, stir 14 minutes, obtain limestone mix；
Step 2 carries out purification processes to diatomite, then mixes with increasing property fiber and quartz sand, is ground to 400 meshes,
Again through 160 DEG C of heat treatment, composite material is obtained；
Modified clay, modified coal ash and surfactant, warp are added into composite material made from step 2 for step 3
Ball mill ball milling 3 hours, then be watered and stir into the slurry that solid content is 50%；
Step 4, by slurry made from limestone mix made from step 1, step 3 and Pluronic polyols, amine
Catalyst, foam stabiliser, foaming agent, fire retardant, modified graphene, antistatic agent, flame-retardant smoke inhibition additive, increasing property fiber add
Heat simultaneously stirs, and temperature is 100 DEG C, and mixing speed is 340r/ minutes, and the time is 55 minutes, and mixture A is made；
Step 5 will be injected into mold by foaming machine after mixture A made from step 4 and modified isocyanate preheating
Or in the cavity of insulating tube, foamed time 25 minutes, fire-retardant heat insulation foamed material is made.
Embodiment three
A kind of fire-retardant heat insulation foamed material, formula in each component parts by weight it is as follows:
7 parts of Pluronic polyols,
0.15 part of amines catalyst,
0.3 part of foam stabiliser,
1.5 parts of foaming agent,
1 part of fire retardant,
0.7 part of modified graphene,
10.5 parts of modified isocyanate,
17.5 parts of diatomite,
8.5 parts of lime stone,
6 parts of quartz sand,
Modified 0.7 part of clay,
0.9 part of modified coal ash,
0.4 part of surfactant,
0.8 part of antistatic agent,
1.1 parts of flame-retardant smoke inhibition additive,
0.6 part of fiber of increasing property,
55 parts of water.
Preferably, foaming agent is lauryl sodium sulfate, sodium metasilicate, triethoxybutane according to weight ratio 2:1:1 composition
Mixture.
Preferably, flame-retardant smoke inhibition additive is magnesium hydroxide, aluminium hydroxide, ammonium polyphosphate and expansible graphite according to weight
Than the mixture of 2:2:1:3 composition.
Preferably, surfactant is Sodium Polyacrylate, sodium carboxymethylcellulose, Sodium Polyacrylate and carboxymethyl cellulose
One of sodium or a variety of combinations.
Preferably, increasing property fiber is silicon carbide fibre, basalt fibre, acetate fiber, polyvinyl chloride fibre according to comparing again
The mixture of 3:2:1:1 composition.
Preferably, antistatic agent is polyoxyethylene dodecyl amine and octadecyldiethanol amine according to weight ratio 2:1 group
At mixture.
A kind of preparation process of fire-retardant heat insulation foamed material, the specific steps are as follows:
Step 1 calcines lime stone, 800 DEG C of calcination temperature, calcines 1.5 hours, by white lime calcine and
Water is mixed and is stirred, and is carried out under 70 DEG C of calcining heating water baths, is stirred 13 minutes, is obtained limestone mix；
Step 2 carries out purification processes to diatomite, then mixes with increasing property fiber and quartz sand, is ground to 350 meshes,
Again through 155 DEG C of heat treatment, composite material is obtained；
Modified clay, modified coal ash and surfactant, warp are added into composite material made from step 2 for step 3
Ball mill ball milling 2.5 hours, then be watered and stir into the slurry that solid content is 48%；
Step 4, by slurry made from limestone mix made from step 1, step 3 and Pluronic polyols, amine
Catalyst, foam stabiliser, foaming agent, fire retardant, modified graphene, antistatic agent, flame-retardant smoke inhibition additive, increasing property fiber add
Heat simultaneously stirs, and temperature is 99 DEG C, and mixing speed is 280r/ minutes, and the time is 48 minutes, and mixture A is made；
Step 5 will be injected into mold by foaming machine after mixture A made from step 4 and modified isocyanate preheating
Or in the cavity of insulating tube, foamed time 23 minutes, fire-retardant heat insulation foamed material is made.
The present invention is exemplarily described above in conjunction with specific embodiment, it is clear that the present invention implements not by upper
The limitation of mode is stated, as long as using the various improvement that the inventive concept and technical scheme of the present invention carry out, or not improved straight
It scoops out for other occasions, it is within the scope of the present invention.
Claims (7)
1. a kind of fire-retardant heat insulation foamed material, which is characterized in that the parts by weight of each component are as follows in its formula:
6-8 parts of Pluronic polyols,
0.1-0.2 parts of amines catalyst,
0.2-0.4 parts of foam stabiliser,
1-2 parts of foaming agent,
0.8-1.5 parts of fire retardant,
0.5-0.8 parts of modified graphene,
10-11 parts of modified isocyanate,
17-18 parts of diatomite,
8-9 parts of lime stone,
5-7 parts of quartz sand,
Clay 0.6-0.8 parts modified,
0.8-1.2 parts of modified coal ash,
0.3-0.5 parts of surfactant,
0.5-1 parts of antistatic agent,
1-1.2 parts of flame-retardant smoke inhibition additive,
0.5-0.7 parts of fiber of increasing property,
50-60 parts of water.
2. fire-retardant heat insulation foamed material according to claim 1, which is characterized in that foaming agent be lauryl sodium sulfate,
The mixture that sodium metasilicate, triethoxybutane are formed according to weight ratio 2:1:1.
3. fire-retardant heat insulation foamed material according to claim 2, which is characterized in that flame-retardant smoke inhibition additive is hydroxide
The mixture that magnesium, aluminium hydroxide, ammonium polyphosphate and expansible graphite are formed according to weight ratio 2:2:1:3.
4. fire-retardant heat insulation foamed material according to claim 3, which is characterized in that surfactant be Sodium Polyacrylate,
One of sodium carboxymethylcellulose, Sodium Polyacrylate and sodium carboxymethylcellulose or a variety of combinations.
5. fire-retardant heat insulation foamed material according to claim 4, which is characterized in that increasing property fiber is silicon carbide fibre, profound
Military rock fiber, acetate fiber, polyvinyl chloride fibre are according to again than the mixture of 3:2:1:1 composition.
6. fire-retardant heat insulation foamed material according to claim 5, which is characterized in that antistatic agent is polyoxyethylene lauryl
The mixture that base amine and octadecyldiethanol amine are formed according to weight ratio 2:1.
7. a kind of preparation process of fire-retardant heat insulation foamed material as claimed in claim 6, which is characterized in that specific step is as follows:
Step 1 calcines lime stone, 790-840 DEG C of calcination temperature, calcines 1-2 hour, by the white lime calcined and
Water is mixed and is stirred, and is carried out under 65-75 DEG C of calcining heating water bath, is stirred 10-14 minutes, and lime stone mixing is obtained
Object；
Step 2 carries out purification processes to diatomite, then mixes with increasing property fiber and quartz sand, is ground to 300-400 mesh,
Again through 150-160 DEG C of heat treatment, composite material is obtained；
Step 3 modified clay, modified coal ash and surfactant is added into composite material made from step 2, through ball milling
Machine ball milling 2-3 hours, then it is watered the slurry for stirring into that solid content is 45-50%；
Step 4, by slurry made from limestone mix made from step 1, step 3 and Pluronic polyols, amines catalysis
Agent, foam stabiliser, foaming agent, fire retardant, modified graphene, antistatic agent, flame-retardant smoke inhibition additive, increasing property are fiber-heated simultaneously
Stirring, temperature are 90-100 DEG C, and mixing speed is 260-340r/ minutes, and the time is 45-55 minutes, and mixture A is made；
Step 5 will be injected into mold or guarantor by foaming machine after mixture A made from step 4 and modified isocyanate preheating
In the cavity of warm pipe, foamed time 22-25 minutes, fire-retardant heat insulation foamed material is made.
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| CN110255973A (en) * | 2019-05-31 | 2019-09-20 | 山西财贸职业技术学院 | A kind of New type sculpture material and preparation method thereof |
| CN110963784A (en) * | 2019-12-31 | 2020-04-07 | 郑州登电科诚新材料有限公司 | Production process for recycling cutting waste of foamed ceramic insulation board |
| CN112898656A (en) * | 2021-03-03 | 2021-06-04 | 浙江创富新材料有限公司 | Microwave flame-retardant polyolefin foam material and preparation method thereof |
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| CN112898656A (en) * | 2021-03-03 | 2021-06-04 | 浙江创富新材料有限公司 | Microwave flame-retardant polyolefin foam material and preparation method thereof |
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