CN107573637A - A kind of preparation method of phenolic aldehyde foam thermal insulation material - Google Patents
A kind of preparation method of phenolic aldehyde foam thermal insulation material Download PDFInfo
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- CN107573637A CN107573637A CN201710773399.0A CN201710773399A CN107573637A CN 107573637 A CN107573637 A CN 107573637A CN 201710773399 A CN201710773399 A CN 201710773399A CN 107573637 A CN107573637 A CN 107573637A
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Abstract
The invention discloses a kind of preparation method of phenolic aldehyde foam thermal insulation material, each raw material is uniformly mixed so as to obtain compound by this method in proportion；Add mixture into reactor and mix, then with double screw extruder extruding pelletization, obtain being modified pellet, be ground into fine powder；Put into mixer and stir after again phenolic resin, fine powder being mixed, phenolic aldehyde foam thermal insulation material is produced after then carrying out foamable.Phenolic aldehyde foam thermal insulation material of the present invention is environmentally friendly, it is wear-resisting, suitable for low temperature between high temperature, good heat insulating, weatherability it is excellent, there is high insulating property, resistance to chemical corrosion is good, waterproof.
Description
Technical field
The present invention relates to a kind of preparation method of phenolic aldehyde foam thermal insulation material.
Technical background
Building heat-insulation and heat-preservation is to save the energy, improve living environment and use an importance of function.Build energy
Consumption proportion in the whole energy resource consumption of the mankind typically in 30-40%, mostly heating and air-conditioning energy consumption, therefore is built
Energy-saving significance is great, so, the command of The Ministry of Construction of the People's Republic of China, MOC the 143rd《Civil Building Energy Conservation administrative provisions》, it is specified that I
Require in planning, design, build and in use, have to carry out building energy-saving standard in the urban construction of state, building structures must
Heat insulating work processing must be thermally shielded.To save energy resource consumption, insulation material thermal insulation layer is commonly applied on heat power equipment surface, is subtracted
It is few to cause energy loss with extraneous heat exchange.Prior art report has various insulation materials, but due to various insulation raw materials all
Self shortcoming be present, therefore influence the raising of its combination property, be respectively present various different defects.At present, in the market uses
Insulation material is broadly divided into inorganic heat insulation material and the major class of organic insulation material two.In terms of comprehensive, inorganic heat insulation material, such as rock
Cotton, mineral wool, mineral wool, foam concrete, glass bead etc., although combustibility reaches A levels, thermal conductivity factor is poor, protects
Warm poor performance, or even water failure is met, exclusive use is extremely difficult to preferable heat insulation heat preservation energy-saving effect.This just greatly limit
Application of traditional building heat insulation material in architectural engineering.Organic insulation material has in light weight, insulation
The advantages that performance is good, material processability is good, but its fire protecting performance is poor, stability is poor and not ageing-resistant.And current, China's building section
Can now large-scale use organic insulation material mainly have EPS (polystyrene foam), PS (extruded polystyrene foam) and
PU (polyurethane foam), belongs to inflammable organic insulation material, and biggest advantage is that light, insulation, thermal insulation are good；The defects of maximum
It is that fire savety is poor, easy to aging, easy firing.If these novel building energy-saving materials are not by fire-retardant and drop cigarette chemistry
Structurally-modified, simply simple addition fire retardant, all in the presence of serious disaster hidden-trouble, causes frequency is tired to trigger Fire Accidents for Buildings,
Therefore the fire protection flame retarding technology of inflammable organic insulation material and the research of fireproof construction and its large-scale popularization and application, it has also become
The major issue of relation China people's livelihood safety.Phenolic resin is a kind of multi-functional synthetic plastic, and is had with various
Machine and the compatible good binding agent of inorganic filler, itself can also prepare pnenolic aldehyde foam material by adding foaming agent heat foamable.
Phenolic foam plastics can be long-term use of at 150 DEG C, far above the temperature in use of polystyrene, and with high heat-proof quality,
Flame retardancy, meet live charcoal, it is low from fiery self-extinguishment, smoke density (excellent properties such as ＜ 3%=, be a kind of important flame-retardant smoke inhibition material, but
The drawbacks such as phenolic resin foam bad mechanical property, easy efflorescence, cause poor processability, limit and advised greatly in building thermal insulation material
Mould application.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of preparation side of phenolic aldehyde foam thermal insulation material
Method.
The purpose of the present invention is achieved through the following technical solutions：A kind of preparation method of phenolic aldehyde foam thermal insulation material,
Comprise the following steps：
Step 1, by weight, weighs the following raw material：Neoprene 40-55 parts, acrylate 12-15 parts, para hydroxybenzene first
Acetoacetic ester 1-3 parts, butyl acrylate 5-8 parts, polyvinyl butyral resin 5-9 parts, molybdenum dithiocarbamate 2-4 parts, alkyl phenol
APEO 2-4 parts, octyl mercaptan tin 5-12 parts, acetyl citrate 5-8 parts, aluminum oxide 4-8 parts, the new enanthic acid uncle of peroxidating
Butyl ester 2-5 parts, potassium peroxydisulfate 2-6 parts, lauryl sodium sulfate 15-20 parts, hydroxypropyl cellulose 12-18 parts；Mix in proportion
Obtain compound；Prior to 100-120 DEG C mixing 10-15min in reactor is added mixture into, is then squeezed with double screw extruder
Go out to be granulated, obtain being modified pellet, be then modified pellet and be ground into 200-300 targeted fine powders；
Step 2, by parts by weight meter, by the emulsification of 100 parts of phenolic resin, 50-100 parts fine powder, the foaming agent of 4-15 parts, 4-10 parts
The p-methyl benzenesulfonic acid of agent and 4-10 parts mixes, and puts into mixer and stirs 20-30min；Then foamable, curing molding are carried out
Phenolic aldehyde foam thermal insulation material is obtained with curing process.
The step 1, by weight, weighs the following raw material：46 parts of neoprene, 13 parts of acrylate, para hydroxybenzene
2 parts of Ethyl formate, 6 parts of butyl acrylate, 7 parts of polyvinyl butyral resin, 3 parts of molybdenum dithiocarbamate, alkyl phenol polyoxy second
3 parts of alkene ether, 10 parts of octyl mercaptan tin, 6 parts of acetyl citrate, 6 parts of aluminum oxide, 3 parts of the new heptanoic acid tert-butyl ester of peroxidating, persulfuric acid
4 parts of potassium, 17 parts of lauryl sodium sulfate, 16 parts of hydroxypropyl cellulose.
It is described to be uniformly mixed so as to obtain compound in proportion；Prior to 110 DEG C mixing 13min in reactor are added mixture into, then
With double screw extruder extruding pelletization.
The temperature of the curing process is 30 DEG C ~ 80 DEG C, and humidity is 40% ~ 90%, and the time is 24 ~ 72 hours.
The step 2, by parts by weight meter, by 100 parts of phenolic resin, 70 parts of fine powders, 9 parts of foaming agent, 7 parts of emulsifying agent
P-methyl benzenesulfonic acid with 7 parts mixes.
The invention has the advantages that：Phenolic aldehyde foam thermal insulation material of the present invention is environmentally friendly, it is wear-resisting, suitable for low temperature to height
Between temperature, good heat insulating, weatherability it is excellent, there is high insulating property, resistance to chemical corrosion is good, waterproof.
Embodiment
Embodiment 1
A kind of preparation method of phenolic aldehyde foam thermal insulation material, comprises the following steps：
Step 1, by weight, weighs the following raw material：40 parts of neoprene, 12 parts of acrylate, ethyl-para-hydroxybenzoate 1
It is part, 5 parts of butyl acrylate, 5 parts of polyvinyl butyral resin, 2 parts of molybdenum dithiocarbamate, 2 parts of APES, pungent
5 parts of base tin mercaptides, 5 parts of acetyl citrate, 4 parts of aluminum oxide, 2 parts of the new heptanoic acid tert-butyl ester of peroxidating, 2 parts of potassium peroxydisulfate, 12
15 parts of sodium alkyl sulfate, 12 parts of hydroxypropyl cellulose；Compound is uniformly mixed so as to obtain in proportion；Add mixture into reactor prior to
100-120 DEG C of mixing 10-15min, then with double screw extruder extruding pelletization, obtains being modified pellet, is then modified pellet and grinds
Wear into 200-300 targeted fine powders；
Step 2, by parts by weight meter, by 100 parts of phenolic resin, 50 parts of fine powders, 4 parts of foaming agent, 4 parts of emulsifying agent and 4-10 parts
P-methyl benzenesulfonic acid mixing, put into mixer in stir 20-30min；Then foamable, curing molding and curing process are carried out
Obtain phenolic aldehyde foam thermal insulation material.
The temperature of the curing process is 30 DEG C ~ 80 DEG C, and humidity is 40% ~ 90%, and the time is 24 ~ 72 hours.
Embodiment 2
A kind of preparation method of phenolic aldehyde foam thermal insulation material, comprises the following steps：
Step 1, by weight, weighs the following raw material：55 parts of neoprene, 15 parts of acrylate, ethyl-para-hydroxybenzoate 3
It is part, 8 parts of butyl acrylate, 9 parts of polyvinyl butyral resin, 4 parts of molybdenum dithiocarbamate, 4 parts of APES, pungent
12 parts of base tin mercaptides, 8 parts of acetyl citrate, 8 parts of aluminum oxide, 5 parts of the new heptanoic acid tert-butyl ester of peroxidating, 6 parts of potassium peroxydisulfate, 12
20 parts of sodium alkyl sulfate, 18 parts of hydroxypropyl cellulose；Compound is uniformly mixed so as to obtain in proportion；Add mixture into reactor prior to
100-120 DEG C of mixing 10-15min, then with double screw extruder extruding pelletization, obtains being modified pellet, is then modified pellet and grinds
Wear into 200-300 targeted fine powders；
Step 2, by parts by weight meter, by 100 parts of phenolic resin, 100 parts of fine powders, 15 parts of foaming agent, 10 parts of emulsifying agent and 4-
10 parts of p-methyl benzenesulfonic acid mixing, puts into mixer and stirs 20-30min；Then foamable, curing molding and solidification are carried out
Processing obtains phenolic aldehyde foam thermal insulation material.
The temperature of the curing process is 30 DEG C ~ 80 DEG C, and humidity is 40% ~ 90%, and the time is 24 ~ 72 hours.
Embodiment 3
A kind of preparation method of phenolic aldehyde foam thermal insulation material, comprises the following steps：
Step 1, by weight, weighs the following raw material：46 parts of neoprene, 13 parts of acrylate, ethyl-para-hydroxybenzoate 2
It is part, 6 parts of butyl acrylate, 7 parts of polyvinyl butyral resin, 3 parts of molybdenum dithiocarbamate, 3 parts of APES, pungent
10 parts of base tin mercaptides, 6 parts of acetyl citrate, 6 parts of aluminum oxide, 3 parts of the new heptanoic acid tert-butyl ester of peroxidating, 4 parts of potassium peroxydisulfate, 12
17 parts of sodium alkyl sulfate, 16 parts of hydroxypropyl cellulose；Compound is uniformly mixed so as to obtain in proportion；Add mixture into reactor prior to
110 DEG C of mixing 13min, then with double screw extruder extruding pelletization, obtain being modified pellet, are then modified pellet and are ground into 200-
300 targeted fine powders；
Step 2, by parts by weight meter, by 100 parts of phenolic resin, 70 parts of fine powders, 9 parts of foaming agent, 7 parts of emulsifying agent and 7 parts
P-methyl benzenesulfonic acid mixes, and puts into mixer and stirs 20-30min；Then foamable, curing molding and curing process is carried out to obtain
To phenolic aldehyde foam thermal insulation material.
The temperature of the curing process is 30 DEG C ~ 80 DEG C, and humidity is 40% ~ 90%, and the time is 24 ~ 72 hours.
The performance of the preparation method of the phenolic aldehyde foam thermal insulation material prepared to above-described embodiment 3 checks that it is tied
Fruit is as follows：The vertical combustion grade of the foamed material is 0 grade of UL94-V, limited oxygen index 35, smoke density grade 10.4, is bent
Intensity 0.37MPa, compressive strength 0.16MPa, water absorption rate 1.1 %, thermal conductivity factor 0.033w/mk.
Claims (5)
1. a kind of preparation method of phenolic aldehyde foam thermal insulation material, it is characterised in that the described method comprises the following steps：
Step 1, by weight, weighs the following raw material：Neoprene 40-55 parts, acrylate 12-15 parts, para hydroxybenzene first
Acetoacetic ester 1-3 parts, butyl acrylate 5-8 parts, polyvinyl butyral resin 5-9 parts, molybdenum dithiocarbamate 2-4 parts, alkyl phenol
APEO 2-4 parts, octyl mercaptan tin 5-12 parts, acetyl citrate 5-8 parts, aluminum oxide 4-8 parts, the new enanthic acid uncle of peroxidating
Butyl ester 2-5 parts, potassium peroxydisulfate 2-6 parts, lauryl sodium sulfate 15-20 parts, hydroxypropyl cellulose 12-18 parts；Mix in proportion
Obtain compound；Prior to 100-120 DEG C mixing 10-15min in reactor is added mixture into, is then squeezed with double screw extruder
Go out to be granulated, obtain being modified pellet, be then modified pellet and be ground into 200-300 targeted fine powders；
Step 2, by parts by weight meter, by the emulsification of 100 parts of phenolic resin, 50-100 parts fine powder, the foaming agent of 4-15 parts, 4-10 parts
The p-methyl benzenesulfonic acid of agent and 4-10 parts mixes, and puts into mixer and stirs 20-30min；Then foamable, curing molding are carried out
Phenolic aldehyde foam thermal insulation material is obtained with curing process.
A kind of 2. preparation method of phenolic aldehyde foam thermal insulation material according to claim 1, it is characterised in that：The step 1,
By weight, the following raw material is weighed：46 parts of neoprene, 13 parts of acrylate, 2 parts of ethyl-para-hydroxybenzoate, acrylic acid
6 parts of butyl ester, 7 parts of polyvinyl butyral resin, 3 parts of molybdenum dithiocarbamate, 3 parts of APES, octyl mercaptan tin
10 parts, 6 parts of acetyl citrate, 6 parts of aluminum oxide, 3 parts of the new heptanoic acid tert-butyl ester of peroxidating, 4 parts of potassium peroxydisulfate, dodecyl sulphate
17 parts of sodium, 16 parts of hydroxypropyl cellulose.
A kind of 3. preparation method of phenolic aldehyde foam thermal insulation material according to claim 1, it is characterised in that：It is described in proportion
It is uniformly mixed so as to obtain compound；Prior to 110 DEG C mixing 13min in reactor are added mixture into, are then extruded with double screw extruder
It is granulated.
A kind of 4. preparation method of phenolic aldehyde foam thermal insulation material according to claim 1, it is characterised in that：At the solidification
The temperature of reason is 30 DEG C ~ 80 DEG C, and humidity is 40% ~ 90%, and the time is 24 ~ 72 hours.
A kind of 5. preparation method of phenolic aldehyde foam thermal insulation material according to claim 1, it is characterised in that：The step 2,
By parts by weight meter, by 100 parts of phenolic resin, 70 parts of fine powders, 9 parts of foaming agent, 7 parts of emulsifying agent and 7 parts of p-methyl benzenesulfonic acid
Mixing.
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| CN201710773399.0A CN107573637A (en) | 2017-08-31 | 2017-08-31 | A kind of preparation method of phenolic aldehyde foam thermal insulation material |
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| CN201710773399.0A CN107573637A (en) | 2017-08-31 | 2017-08-31 | A kind of preparation method of phenolic aldehyde foam thermal insulation material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112480597A (en) * | 2020-11-29 | 2021-03-12 | 无锡市东北塘永丰橡塑厂 | Preparation method of mildew-proof antibacterial rubber and plastic product |
| CN112608567A (en) * | 2020-11-29 | 2021-04-06 | 无锡市东北塘永丰橡塑厂 | Preparation method of aging-resistant and corrosion-resistant rubber and plastic product |
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| CN103122122A (en) * | 2013-02-07 | 2013-05-29 | 单成敏 | Preparation method of toughening-modified phenolic resin and phenolic foam |
| CN104327449A (en) * | 2014-11-06 | 2015-02-04 | 聊城大学 | Phenolic foam heat-preservation material and preparation method thereof |
| CN105694352A (en) * | 2016-01-30 | 2016-06-22 | 范洲卫 | Phenolic foam thermal-insulation board and preparation method thereof |
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2017
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| CN103122122A (en) * | 2013-02-07 | 2013-05-29 | 单成敏 | Preparation method of toughening-modified phenolic resin and phenolic foam |
| CN104327449A (en) * | 2014-11-06 | 2015-02-04 | 聊城大学 | Phenolic foam heat-preservation material and preparation method thereof |
| CN105694352A (en) * | 2016-01-30 | 2016-06-22 | 范洲卫 | Phenolic foam thermal-insulation board and preparation method thereof |
| CN105860423A (en) * | 2016-04-23 | 2016-08-17 | 徐玉仙 | Flame-retardant thermal-insulation material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112480597A (en) * | 2020-11-29 | 2021-03-12 | 无锡市东北塘永丰橡塑厂 | Preparation method of mildew-proof antibacterial rubber and plastic product |
| CN112608567A (en) * | 2020-11-29 | 2021-04-06 | 无锡市东北塘永丰橡塑厂 | Preparation method of aging-resistant and corrosion-resistant rubber and plastic product |
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