CN109851987A - A kind of foaming modification phenolic resin cold-storage insulation board - Google Patents
A kind of foaming modification phenolic resin cold-storage insulation board Download PDFInfo
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- CN109851987A CN109851987A CN201910075240.0A CN201910075240A CN109851987A CN 109851987 A CN109851987 A CN 109851987A CN 201910075240 A CN201910075240 A CN 201910075240A CN 109851987 A CN109851987 A CN 109851987A
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- phenolic resin
- insulation board
- plate
- cold
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Abstract
The invention belongs to rock wool board preparation technical field more particularly to a kind of foaming modification phenolic resin cold-storage insulation boards.Phenolic resin, foaming agent, curing agent, emulsifier, nano-sized carbon, filler are uniformly mixed hot-forming foamed phenolic resin plate first by the present invention；Then phenolic resin plate is soaked in NiCl2Eutectic solvent-water mixed liquid in, plating be prepared nickel package phenolic resin plate；Finally foaming modification phenolic resin cold-storage insulation board will be modified to obtain through silylating reagent after the phenolic resin polishing surface plate of zinc package.Have the characteristics that nonflammable, good heat preservation performance, light weight through cold storage plate prepared by the present invention.
Description
Technical field
The invention belongs to heat-insulation material preparation technical fields more particularly to a kind of foaming modification phenolic resin freezer to protect
Warm plate.
Background technique
Existing freezer room wallboard mostly uses steel plate to be made greatly, and thermal insulation and sound insulation effect is poor, and weight is larger, since steel plate has
Good heat absorption conductive often results in room temperature in summer and is even higher than outdoor temperature, and heat insulation effect is bad.In addition, weight
Biggish wallboard can consume the more energy in installation moving process, limit the application range in simple freezer room.
Although 105780950 A of patent CN (freezer room insulation board) provide a kind of good metal of heat insulation effect/
Polymer composite plate.Thermal insulation property is improved by the way that structure rock wool to be added between double layer of metal plate.But this method has two layers of gold medal
Belong to plate, the insulation board weight being prepared improves thermal insulation property still highlyer and not significant.Therefore, continual exploitation quality
Gently, the heat-insulating material of the excellent thermal insulation performance freezer shingle nail excellent to processability has great importance.
Summary of the invention
In order to which development quality is light, the freezer room insulation board of excellent thermal insulation performance, the present invention using foamed phenolic resin as
The main component of insulation board improves the thermal insulation property of material significantly；By electro-plating method by corrosion-resistant, nonflammable metal
Nickel is wrapped on insulation board, and the insulation board of light weight, excellent thermal insulation performance is prepared.
In order to achieve the above-mentioned object of the invention, the invention provides the following technical scheme:
A kind of foaming modification phenolic resin cold-storage insulation board, which comprises the following steps:
(1) phenolic resin, foaming agent, curing agent, emulsifier, nano-sized carbon, filler high-speed stirred are added to after mixing
It presses in heat engine, it is hot-forming under the conditions of 200-250 DEG C to obtain foamed phenolic resin plate；
(2) the resulting foamed phenolic resin plate of step (1) is soaked in NiCl2Eutectic solvent-water mixed liquid in, will be positive and negative
Electrode is clipped in the two sides of phenolic resin plate and nickel metal plate respectively, and the phenolic resin plate that nickel wraps up is prepared after 4-6 h is electroplated；
(3) it will impregnate in silylating reagent after the phenolic resin polishing surface plate of zinc package, solidify under the conditions of 50-70 DEG C
4-6 h, after taking-up respectively with water, ethanol washing three times, dry foaming modification phenolic resin cold-storage insulation board.
Preferably, foaming agent as described in step (1) is one of n-hexane, hexamethylene, petroleum ether；The solidification
Agent is one of hexamethylenetetramine, p-methyl benzenesulfonic acid, m-phenylene diamine (MPD)；The emulsifier is double phenethyl phenol polyoxyethylene
One of ether, polyoxyethylene stearic acid ester, diglycerol polypropylene glycol ether；The nano-sized carbon is multi-walled carbon nanotube, carbon is received
One of rice stick, nano-graphene；The filler is nano silica, glass fibre, aluminium silicate polymer, Al2O3In
It is one or more.
Preferably, phenolic resin as described in step (1), foaming agent, curing agent, emulsifier, nano-sized carbon, filler press matter
Amount number calculation is followed successively by 40-60 parts, 10-20 parts, 5-10 parts, 3-5 parts, 10-20 parts, 20-40 parts.
Preferably, eutectic solvent described in step (2) is NiCl2Glycerol eutectic reagent；The eutectic reagent
The preparation method comprises the following steps: by NiCl2After being mixed with glycerol by the molar ratio of 1:2, heated under the conditions of 80 DEG C, 500-800 rpm
3-4 h, natural cooling is up to NiCl2Glycerol eutectic reagent.
Preferably, the volume fraction of eutectic reagent is 15- in eutectic solvent-water mixed liquid described in step (2)
25 %.The NiCl2Eutectic solvent-water mixed liquid in NiCl2Concentration be 0.1-0.2 g/mL.
Preferably, phenolic resin plate is cathode in electrode described in step (2), and nickel metal plate is anode.
Preferably, silylating reagent described in step (3) is eight alkyl triethoxysilanes, eight alkyl trimethoxy silicon
One of alkane, the concentration of the silylating reagent are 0.1-0.2 g/mL.
The room heat-insulated plate light weight of freezer prepared by the present invention, heat insulation effect are good.Compared with prior art, the present invention provides
A kind of foaming modification phenolic resin cold-storage insulation board have the advantages that using foamed phenolic resin as mainly at
Point, a large amount of microcellular structure is provided, so that the cold storage plate light weight being prepared, while significant the guarantor for strengthening cold storage plate
Warm nature energy；Using eutectic solvent as plating solvent, metallic nickel is plated on phenolic resin plate surface, not only increases phenolic aldehyde
The mechanical property of resin plate equally strengthens the corrosion resistance and low flammability of cold storage plate；Using silylating reagent to freezer
Plate is further modified, and the mechanical property and resistance to soiling of cold storage plate are improved.Through cold storage plate prepared by the present invention have it is nonflammable,
The features such as good heat preservation performance, light weight.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, but embodiment is not to the technology of the present invention side
The restriction of case, it is all based on variation made by the present invention or equivalent replacement, it is within the scope of protection of the invention.
Embodiment one
A kind of foaming modification phenolic resin cold-storage insulation board, which comprises the following steps:
(1) by 47 parts of phenolic resin, 15 parts of hexamethylenes, 5 parts of hexamethylenetetramines, 3 parts of diglycerol polypropylene glycol ethers, 10 parts of multi walls
Carbon nanotube, 5 parts of nano silicas, 10 parts of glass fibres, 5 parts of aluminium silicate polymer high-speed stirreds are added to pressure heat after mixing
It is hot-forming under the conditions of 220 DEG C to obtain foamed phenolic resin plate in machine；
(2) the resulting foamed phenolic resin plate of step (1) is soaked in 0.1 g/mL NiCl2NiCl2Glycerol eutectic is molten
In agent-water mixed liquid, positive and negative electrode is clipped in the two sides of phenolic resin plate and nickel metal plate respectively, under the conditions of 4 A, plating 5
The phenolic resin plate of nickel package is prepared after h；
(3) it will be impregnated in eight alkyl triethoxysilanes of 0.15 g/mL after the phenolic resin polishing surface plate of zinc package,
Solidify 5 h under the conditions of 60 DEG C, after taking-up respectively with water, ethanol washing three times, dry foaming modification phenolic resin heat preservation of refrigeration storage
Plate.
Embodiment two
A kind of foaming modification phenolic resin cold-storage insulation board, which comprises the following steps:
(1) by 50 parts of phenolic resin, 12 parts of hexamethylenes, 5 parts of hexamethylenetetramines, 3 parts of diglycerol polypropylene glycol ethers, 10 parts of multi walls
Carbon nanotube, 10 parts of glass fibres, 10 parts of aluminium silicate polymer high-speed stirreds are added to after mixing in pressure heat engine, in 220 DEG C of items
It is hot-forming under part to obtain foamed phenolic resin plate；
(2) the resulting foamed phenolic resin plate of step (1) is soaked in 0.15 g/mL NiCl2NiCl2Glycerol eutectic is molten
In agent-water mixed liquid, positive and negative electrode is clipped in the two sides of phenolic resin plate and nickel metal plate respectively, under the conditions of 3 A, plating 6
The phenolic resin plate of nickel package is prepared after h；
(3) it will be impregnated in eight alkyl trimethoxysilanes of 0.15g/mL after the phenolic resin polishing surface plate of zinc package,
Solidify 5 h under the conditions of 60 DEG C, after taking-up respectively with water, ethanol washing three times, dry foaming modification phenolic resin heat preservation of refrigeration storage
Plate.
Embodiment three
A kind of foaming modification phenolic resin cold-storage insulation board, which comprises the following steps:
(1) by 45 parts of phenolic resin, 15 parts of petroleum ethers, 5 parts of p-methyl benzenesulfonic acid, 5 parts of polyoxyethylene stearic acid esters, 10 parts of graphite
Alkene, 10 parts of glass fibres, 10 parts of Al2O3High-speed stirred is added to after mixing in pressure heat engine, is hot pressed under the conditions of 250 DEG C
Type obtains foamed phenolic resin plate；
(2) the resulting foamed phenolic resin plate of step (1) is soaked in 0.1 g/mL NiCl2NiCl2Glycerol eutectic is molten
In agent-water mixed liquid, positive and negative electrode is clipped in the two sides of phenolic resin plate and nickel metal plate respectively, under the conditions of 5 A, plating 4
The phenolic resin plate of nickel package is prepared after h；
(3) it will be impregnated in eight alkyl trimethoxysilanes of 0.15 g/mL after the phenolic resin polishing surface plate of zinc package,
Solidify 5 h under the conditions of 60 DEG C, after taking-up respectively with water, ethanol washing three times, dry foaming modification phenolic resin heat preservation of refrigeration storage
Plate.
For the ordinary skill in the art, specific embodiment is only exemplarily described the present invention,
Obviously the present invention specific implementation is not subject to the restrictions described above, as long as use the inventive concept and technical scheme of the present invention into
The improvement of capable various unsubstantialities, or not improved the conception and technical scheme of the invention are directly applied to other occasions
, it is within the scope of the present invention.
Claims (8)
1. a kind of foaming modification phenolic resin cold-storage insulation board, which comprises the following steps:
(1) phenolic resin, foaming agent, curing agent, emulsifier, nano-sized carbon, filler high-speed stirred are added to after mixing
It presses in heat engine, it is hot-forming under the conditions of 200-250 DEG C to obtain foamed phenolic resin plate；
(2) the resulting foamed phenolic resin plate of step (1) is soaked in NiCl2Eutectic solvent-water mixed liquid in, will be positive and negative
Electrode is clipped in the two sides of phenolic resin plate and nickel metal plate respectively, and the phenolic resin plate that nickel wraps up is prepared after 4-6 h is electroplated；
(3) it will impregnate in silylating reagent after the phenolic resin polishing surface plate of zinc package, solidify under the conditions of 50-70 DEG C
4-6 h, after taking-up respectively with water, ethanol washing three times, dry foaming modification phenolic resin cold-storage insulation board.
2. a kind of foaming modification phenolic resin cold-storage insulation board according to claim 1, which is characterized in that in step (1)
The foaming agent is one of n-hexane, hexamethylene, petroleum ether；The curing agent is hexamethylenetetramine, to toluene
One of sulfonic acid, m-phenylene diamine (MPD)；The emulsifier is bisphenol ethyl phenol polyoxyethylene ether, polyoxyethylene stearic acid ester, double
One of glycerol polypropylene glycol ether；The nano-sized carbon is multi-walled carbon nanotube, carbon nano rod, one in nano-graphene
Kind；The filler is nano silica, glass fibre, aluminium silicate polymer, Al2O3One of or it is a variety of.
3. a kind of foaming modification phenolic resin cold-storage insulation board according to claim 1, which is characterized in that in step (1)
The phenolic resin, foaming agent, curing agent, emulsifier, nano-sized carbon, filler figured by mass parts be followed successively by 40-60 parts,
10-20 parts, 5-10 parts, 3-5 parts, 10-20 parts, 20-40 parts.
4. a kind of foaming modification phenolic resin cold-storage insulation board according to claim 1, which is characterized in that in step (2)
The eutectic solvent is NiCl2Glycerol eutectic reagent；The eutectic reagent the preparation method comprises the following steps: by NiCl2With it is sweet
After oil is by the molar ratio mixing of 1:2,3-4 h is heated under the conditions of 80 DEG C, 500-800 rpm, natural cooling is up to NiCl2It is sweet
Oily eutectic reagent.
5. a kind of foaming modification phenolic resin cold-storage insulation board according to claim 1, which is characterized in that in step (2)
The volume fraction of eutectic reagent is 15-25 % in the eutectic solvent-water mixed liquid.
NiCl described in 6.2Eutectic solvent-water mixed liquid in NiCl2Concentration be 0.1-0.2 g/mL.
7. a kind of foaming modification phenolic resin cold-storage insulation board according to claim 1, which is characterized in that in step (2)
Phenolic resin plate is cathode in the electrode, and nickel metal plate is anode；Electric current is 3-5 A when the described plating.
8. a kind of foaming modification phenolic resin cold-storage insulation board according to claim 1, which is characterized in that in step (3)
The silylating reagent is one of eight alkyl triethoxysilanes, eight alkyl trimethoxysilanes, the silanization
The concentration of reagent is 0.1-0.2 g/mL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910075240.0A CN109851987A (en) | 2019-01-25 | 2019-01-25 | A kind of foaming modification phenolic resin cold-storage insulation board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910075240.0A CN109851987A (en) | 2019-01-25 | 2019-01-25 | A kind of foaming modification phenolic resin cold-storage insulation board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109851987A true CN109851987A (en) | 2019-06-07 |
Family
ID=66896304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910075240.0A Withdrawn CN109851987A (en) | 2019-01-25 | 2019-01-25 | A kind of foaming modification phenolic resin cold-storage insulation board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109851987A (en) |
-
2019
- 2019-01-25 CN CN201910075240.0A patent/CN109851987A/en not_active Withdrawn
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Application publication date: 20190607 |