CN108003433A - A kind of preparation method and applications of foaminess plastic material - Google Patents
A kind of preparation method and applications of foaminess plastic material Download PDFInfo
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- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/22—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers modified by chemical after-treatment
- C08J2427/24—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers modified by chemical after-treatment halogenated
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- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- 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
Abstract
The invention discloses a kind of preparation method and applications of foaminess plastic material, this method is used high-density polyethylene resin, polyethylene wax powder, methyl diphenylene diisocyanate and phosphoric acid solution, which are added in mixer, is mixed that to obtain preliminary premixed liquid spare, again by superchlorinated polyvinyl chloride resin, ethylene propylene diene rubber, polylactic acid, heating is placed on high temperature in two-roll mill and is mixed to get thermal reaction mixture in dodecyl sodium sulfate addition reaction kettle, then vacuum reaction kettle is added after thermal reaction mixture is cooled down, add ammonium polyphosphate, titanium dioxide is reacted, vacuum reaction product is finally added foaming machine jointly with preliminary premixed liquid to foam, foamed product is placed in baking oven again and is cured, then taken out from baking oven, it is cooled to room temperature, obtain finished product expanded material.The plastic material being prepared, its high insulating effect, intensity is high, has a good application prospect in architectural engineering.
Description
Technical field
The present invention relates to this technical field of plastic material, is related specifically to a kind of preparation method of foaminess plastic material
And its application.
Background technology
Valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, voltage stabilizing, shunting
Or the function such as overflow pressure relief.Tubing is mainly used as tap water supply system pipe arrangement, draining, exhaust and the blowdown health of building construction
Pipe, subsoil drain system, rain pipe and electric wire install matched penetration pipe etc..In architectural engineering, tubing and valve
Need to coordinate and install and use, be one group of inseparable device.Traditional valve, tubing are mainly made of metal material.
Metal material is in the case where meeting mechanical strength, and often there is such as heavier mass, easy burn into heavy metal osmosis pollution
The problems such as.
The appearance of plastic pipe and Plastic valve, partly solves the above problem.Plastic material and traditional cast iron materials,
Zinc-plating material, cement material etc. are compared, and are had energy-saving material-saving, environmental protection, high-strength light, corrosion-resistant, construction and maintenance simplicity, are used
The advantages that long lifespan, be widely used in building water supply and drainage, town and country plumbing, city gas, electric power and cable jacket, industrial fluids
The construction industries such as conveying, agricultural irrigation, municipal administration, industry and agriculture field.However, in some particular surroundings, plastic material is made
Tubing and the service life of valve be often greatly affected.Meanwhile the mechanical strength of plastic material is often not ideal enough,
Excessive pressure cannot be born, service life can also be affected, this is just to the further unfavorable using bringing of plastic material
Influence.
Foamed plastic is the plastic material being prepared by foaming.Foaming is plastics is produced microcellular structure
Process.Foamed plastics can be made in almost all of thermosetting property and thermoplastic, and common resin has polystyrene, poly- ammonia
Ester, polyvinyl chloride, polyethylene, ureaformaldehyde, phenolic aldehyde etc..The less resin of consumption, has low heat in foamed plastic monomer volume
How conductance, additionally with improved mechanical performance, using foam process prepare a kind of composite plastics material, to improve tradition
The problem of Plastic valve, the performance of tubing are current urgent need to resolve.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of preparation method and applications of foaminess plastic material, should
Method is used adds mixing by high-density polyethylene resin, polyethylene wax powder, methyl diphenylene diisocyanate and phosphoric acid solution
It is mixed that to obtain preliminary premixed liquid spare in machine, then by superchlorinated polyvinyl chloride resin, ethylene propylene diene rubber, polylactic acid, dodecyl
Heating is placed on high temperature in two-roll mill and is mixed to get thermal reaction mixture in sodium sulfonate addition reaction kettle, then by thermal response
Add vacuum reaction kettle after mixture cooling, add ammonium polyphosphate, titanium dioxide is reacted, finally by vacuum reaction product with
Preliminary premixed liquid adds foaming machine and foams jointly, then foamed product is placed in baking oven and is cured, and is then taken out from baking oven,
It is cooled to room temperature, obtains finished product expanded material.The plastic material being prepared, its high insulating effect, intensity is high, in architectural engineering
In have a good application prospect.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of preparation method of foaminess plastic material, comprises the following steps：
(1) by 50-56 parts of high-density polyethylene resin, 32-38 parts of polyethylene wax powder, methyl diphenylene diisocyanate 5-
The phosphoric acid solution that the concentration of the quality such as 9 parts of mixing, addition is 5%, adds in mixer and is blended, and 60 points are stirred at 70-80 DEG C
Clock, mixing speed are 1500 revs/min, obtain preliminary premixed liquid；
(2) by 20-24 parts of superchlorinated polyvinyl chloride resin, 18-22 parts of ethylene propylene diene rubber, 12-16 parts of polylactic acid, dodecyl sulphur
In sour sodium 5-7 parts of addition reaction kettles, insulated and stirred 40-50 minutes after being heated to 160-180 DEG C, then by mixture in reaction kettle
Material is placed in high temperature in two-roll mill and mixes, and mixing temperature is 200-220 DEG C, and incorporation time is 45 minutes, obtains thermal response and mixes
Compound；
(3) added after the thermal reaction mixture temperature of step (2) drops to 80 DEG C in vacuum reaction kettle, add poly- phosphorus
Sour ammonium 6-8 parts, 3-5 parts of titanium dioxide, maintain the temperature in vacuum environment, when stirring reaction 2-3 is small, obtain vacuum reaction mixing
Thing；
(4) the preliminary premixed liquid for obtaining the vacuum reaction mixture obtained by step (3) and step (1) adds foaming machine
In, 30-40 parts of silicone oil, 0.5-1 parts of ultraviolet initiator are added, foamable reaction is carried out, is immediately placed on after the completion of reaction ultraviolet
Irradiated under lamp, when irradiation time is 3-4 small, obtain foamed product；
(5) foamed product is placed in baking oven and cured, then taken out from baking oven, is cooled to room temperature, obtain finished product foaming
Material.
Preferably, the vacuum pressure of vacuum environment is -0.098--0.1MPa in the step (3).
Preferably, ultraviolet initiator is selected from benzoin dimethylether, Dialkoxy acetophenones, tonka-bean in the step (4)
Any one in ketone.
Preferably, oven temperature is 80-100 DEG C in the step (5), when the curing time is 1-2 small.
Further, the foaminess plastic material obtained the invention also discloses the preparation method is preparing plastic valve
Application in door, pipe fitting product.
Compared with prior art, the present invention its advantage is：
(1) preparation method of foaminess plastic material of the invention use by high-density polyethylene resin, polyethylene wax powder,
Methyl diphenylene diisocyanate and phosphoric acid solution, which are added in mixer, is mixed that to obtain preliminary premixed liquid spare, then by chlorine
Vinyl, ethylene propylene diene rubber, polylactic acid, dodecyl sodium sulfate are added in reaction kettle to heat and are placed in two-roll mill
High temperature is mixed to get thermal reaction mixture, and vacuum reaction kettle is added after then thermal reaction mixture is cooled down, adds polyphosphoric acid
Ammonium, titanium dioxide are reacted, and vacuum reaction product is finally added foaming machine jointly with preliminary premixed liquid foams, then will hair
Bubble product, which is placed in baking oven, to be cured, and is then taken out, is cooled to room temperature from baking oven, obtains finished product expanded material.It is prepared
Plastic material, its high insulating effect, intensity is high, has a good application prospect in architectural engineering.
(2) present invention employs high-density polyethylene resin, polyethylene wax powder, methyl diphenylene diisocyanate these types
Raw material foams after being mixed with the vacuum reaction mixture being prepared, and effective modification has been carried out to plastic material, although
In these modifying process material therefor be not first Application in plastic material, but according to a certain ratio amount combination after, be aided with phase
The processing mode answered, has brought increasing substantially in performance, this is conventional to the plastic material being finally prepared
It is never to report in research, the technique effect for realizing the present invention plays the role of conclusive.
Embodiment
The technical solution of invention is described in detail with reference to specific embodiment.
Embodiment 1
(1) 50 parts of high-density polyethylene resin, 32 parts of polyethylene wax powder, 5 parts of methyl diphenylene diisocyanate are mixed,
The concentration of the quality such as addition is 5% phosphoric acid solution, adds in mixer and is blended, is stirred 60 minutes at 70 DEG C, mixing speed
For 1500 revs/min, preliminary premixed liquid is obtained；
(2) 20 parts of superchlorinated polyvinyl chloride resin, 18 parts of ethylene propylene diene rubber, 12 parts of polylactic acid, 5 parts of dodecyl sodium sulfate are added
Enter in reaction kettle, mixed material in reaction kettle, is then placed in two-roll mill by insulated and stirred 40 minutes after being heated to 160 DEG C
High temperature mixes, and mixing temperature is 200 DEG C, and incorporation time is 45 minutes, obtains thermal reaction mixture；
(3) added after the thermal reaction mixture temperature of step (2) drops to 80 DEG C in vacuum reaction kettle, add poly- phosphorus
Sour 6 parts of ammonium, 3 parts of titanium dioxide, maintain the temperature in the vacuum environment that vacuum pressure is -0.098MPa, when stirring reaction 2 is small,
Obtain vacuum reaction mixture；
(4) the preliminary premixed liquid for obtaining the vacuum reaction mixture obtained by step (3) and step (1) adds foaming machine
In, 30 parts of silicone oil, 0.5 part of benzoin dimethylether are added, foamable reaction is carried out, is immediately placed under ultraviolet lamp and shines after the completion of reaction
Penetrate, when irradiation time is 3 small, obtain foamed product；
(5) foamed product is placed in baking oven and cured, oven temperature is 80 DEG C, when the curing time is 1 small, then from baking oven
Middle taking-up, is cooled to room temperature, and obtains finished product expanded material.
The performance test results of obtained foaminess plastic material are as shown in table 1.
Embodiment 2
(1) 53 parts of high-density polyethylene resin, 35 parts of polyethylene wax powder, 7 parts of methyl diphenylene diisocyanate are mixed,
The concentration of the quality such as addition is 5% phosphoric acid solution, adds in mixer and is blended, is stirred 60 minutes at 75 DEG C, mixing speed
For 1500 revs/min, preliminary premixed liquid is obtained；
(2) 22 parts of superchlorinated polyvinyl chloride resin, 20 parts of ethylene propylene diene rubber, 14 parts of polylactic acid, 6 parts of dodecyl sodium sulfate are added
Enter in reaction kettle, mixed material in reaction kettle, is then placed in two-roll mill by insulated and stirred 45 minutes after being heated to 170 DEG C
High temperature mixes, and mixing temperature is 210 DEG C, and incorporation time is 45 minutes, obtains thermal reaction mixture；
(3) added after the thermal reaction mixture temperature of step (2) drops to 80 DEG C in vacuum reaction kettle, add poly- phosphorus
Sour 7 parts of ammonium, 4 parts of titanium dioxide, maintain the temperature in the vacuum environment that vacuum pressure is -0.099MPa, and stirring reaction 2.5 is small
When, obtain vacuum reaction mixture；
(4) the preliminary premixed liquid for obtaining the vacuum reaction mixture obtained by step (3) and step (1) adds foaming machine
In, 35 parts of silicone oil, 0.7 part of Dialkoxy acetophenones are added, foamable reaction is carried out, is immediately placed on after the completion of reaction under ultraviolet lamp
Irradiation, when irradiation time is 3.5 small, obtains foamed product；
(5) foamed product is placed in baking oven and cured, oven temperature is 90 DEG C, when the curing time is 1.5 small, then from baking
Take out, be cooled to room temperature in case, obtain finished product expanded material.
The performance test results of obtained foaminess plastic material are as shown in table 1.
Embodiment 3
(1) 56 parts of high-density polyethylene resin, 38 parts of polyethylene wax powder, 9 parts of methyl diphenylene diisocyanate are mixed,
The concentration of the quality such as addition is 5% phosphoric acid solution, adds in mixer and is blended, is stirred 60 minutes at 80 DEG C, mixing speed
For 1500 revs/min, preliminary premixed liquid is obtained；
(2) 24 parts of superchlorinated polyvinyl chloride resin, 22 parts of ethylene propylene diene rubber, 16 parts of polylactic acid, 7 parts of dodecyl sodium sulfate are added
Enter in reaction kettle, mixed material in reaction kettle, is then placed in two-roll mill by insulated and stirred 50 minutes after being heated to 180 DEG C
High temperature mixes, and mixing temperature is 220 DEG C, and incorporation time is 45 minutes, obtains thermal reaction mixture；
(3) added after the thermal reaction mixture temperature of step (2) drops to 80 DEG C in vacuum reaction kettle, add poly- phosphorus
Sour 8 parts of ammonium, 5 parts of titanium dioxide, the temperature is maintained in the vacuum environment that vacuum pressure is -0.1MPa, when stirring reaction 3 is small, is obtained
To vacuum reaction mixture；
(4) the preliminary premixed liquid for obtaining the vacuum reaction mixture obtained by step (3) and step (1) adds foaming machine
In, 40 parts of silicone oil, 1 part of coumarone are added, foamable reaction is carried out, is immediately placed under ultraviolet lamp and irradiates after the completion of reaction, is irradiated
When time is 4 small, foamed product is obtained；
(5) foamed product is placed in baking oven and cured, oven temperature is 100 DEG C, when the curing time is 2 small, then from baking
Take out, be cooled to room temperature in case, obtain finished product expanded material.
The performance test results of obtained foaminess plastic material are as shown in table 1.
Comparative example 1
(1) it is 5% by the concentration of 35 parts of polyethylene wax powder, the quality such as 7 parts of mixing of methyl diphenylene diisocyanate, addition
Phosphoric acid solution, add mixer in be blended, stir 60 minutes at 75 DEG C, mixing speed be 1500 revs/min, obtain tentatively
Premixed liquid；
(2) 22 parts of superchlorinated polyvinyl chloride resin, 20 parts of ethylene propylene diene rubber, 14 parts of polylactic acid, 6 parts of dodecyl sodium sulfate are added
Enter in reaction kettle, mixed material in reaction kettle, is then placed in two-roll mill by insulated and stirred 45 minutes after being heated to 170 DEG C
High temperature mixes, and mixing temperature is 210 DEG C, and incorporation time is 45 minutes, obtains thermal reaction mixture；
(3) added after the thermal reaction mixture temperature of step (2) drops to 80 DEG C in vacuum reaction kettle, add poly- phosphorus
Sour 7 parts of ammonium, 4 parts of titanium dioxide, maintain the temperature in the vacuum environment that vacuum pressure is -0.099MPa, and stirring reaction 2.5 is small
When, obtain vacuum reaction mixture；
(4) the preliminary premixed liquid for obtaining the vacuum reaction mixture obtained by step (3) and step (1) adds foaming machine
In, 35 parts of silicone oil, 0.7 part of Dialkoxy acetophenones are added, foamable reaction is carried out, is immediately placed on after the completion of reaction under ultraviolet lamp
Irradiation, when irradiation time is 3.5 small, obtains foamed product；
(5) foamed product is placed in baking oven and cured, oven temperature is 90 DEG C, when the curing time is 1.5 small, then from baking
Take out, be cooled to room temperature in case, obtain finished product expanded material.
The performance test results of obtained plastic material are as shown in table 1.
Comparative example 2
(1) by 53 parts of high-density polyethylene resin, the mixing of 7 parts of methyl diphenylene diisocyanate, the dense of quality such as add
The phosphoric acid solution for 5% to be spent, adds in mixer and is blended, stirred 60 minutes at 75 DEG C, mixing speed is 1500 revs/min,
Obtain preliminary premixed liquid；
(2) 22 parts of superchlorinated polyvinyl chloride resin, 20 parts of ethylene propylene diene rubber, 14 parts of polylactic acid, 6 parts of dodecyl sodium sulfate are added
Enter in reaction kettle, mixed material in reaction kettle, is then placed in two-roll mill by insulated and stirred 45 minutes after being heated to 170 DEG C
High temperature mixes, and mixing temperature is 210 DEG C, and incorporation time is 45 minutes, obtains thermal reaction mixture；
(3) added after the thermal reaction mixture temperature of step (2) drops to 80 DEG C in vacuum reaction kettle, add poly- phosphorus
Sour 7 parts of ammonium, 4 parts of titanium dioxide, maintain the temperature in the vacuum environment that vacuum pressure is -0.099MPa, and stirring reaction 2.5 is small
When, obtain vacuum reaction mixture；
(4) the preliminary premixed liquid for obtaining the vacuum reaction mixture obtained by step (3) and step (1) adds foaming machine
In, 35 parts of silicone oil, 0.7 part of Dialkoxy acetophenones are added, foamable reaction is carried out, is immediately placed on after the completion of reaction under ultraviolet lamp
Irradiation, when irradiation time is 3.5 small, obtains foamed product；
(5) foamed product is placed in baking oven and cured, oven temperature is 90 DEG C, when the curing time is 1.5 small, then from baking
Take out, be cooled to room temperature in case, obtain finished product expanded material.
The performance test results of obtained plastic material are as shown in table 1.
Comparative example 3
(1) it is 5% by the concentration of 53 parts of high-density polyethylene resin, the quality such as 35 parts of mixing of polyethylene wax powder, addition
Phosphoric acid solution, adds in mixer and is blended, stirred 60 minutes at 75 DEG C, and mixing speed is 1500 revs/min, obtains preliminary pre-
Mixed liquid；
(2) 22 parts of superchlorinated polyvinyl chloride resin, 20 parts of ethylene propylene diene rubber, 14 parts of polylactic acid, 6 parts of dodecyl sodium sulfate are added
Enter in reaction kettle, mixed material in reaction kettle, is then placed in two-roll mill by insulated and stirred 45 minutes after being heated to 170 DEG C
High temperature mixes, and mixing temperature is 210 DEG C, and incorporation time is 45 minutes, obtains thermal reaction mixture；
(3) added after the thermal reaction mixture temperature of step (2) drops to 80 DEG C in vacuum reaction kettle, add poly- phosphorus
Sour 7 parts of ammonium, 4 parts of titanium dioxide, maintain the temperature in the vacuum environment that vacuum pressure is -0.099MPa, and stirring reaction 2.5 is small
When, obtain vacuum reaction mixture；
(4) the preliminary premixed liquid for obtaining the vacuum reaction mixture obtained by step (3) and step (1) adds foaming machine
In, 35 parts of silicone oil, 0.7 part of Dialkoxy acetophenones are added, foamable reaction is carried out, is immediately placed on after the completion of reaction under ultraviolet lamp
Irradiation, when irradiation time is 3.5 small, obtains foamed product；
(5) foamed product is placed in baking oven and cured, oven temperature is 90 DEG C, when the curing time is 1.5 small, then from baking
Take out, be cooled to room temperature in case, obtain finished product expanded material.
The performance test results of obtained plastic material are as shown in table 1.
The obtained plastic material of embodiment 1-3 and comparative example 1-3 is subjected to thermal resistance value (0.025m), stretching by force respectively
This several degree, bending strength performance tests.
Table 1
| R(m2×℃/W) | Tensile strength (MPa) | Bending strength (MPa) | |
| Embodiment 1 | 1.09 | 59.4 | 92.3 |
| Embodiment 2 | 1.11 | 60.3 | 91.6 |
| Embodiment 3 | 1.10 | 60.5 | 92.0 |
| Comparative example 1 | 0.92 | 54.2 | 86.7 |
| Comparative example 2 | 0.87 | 53.3 | 85.8 |
| Comparative example 3 | 0.90 | 54.7 | 85.6 |
The preparation method of the plastic material of the present invention is used high-density polyethylene resin, polyethylene wax powder, diphenylmethyl
Alkane diisocyanate and phosphoric acid solution, which are added in mixer, is mixed that to obtain preliminary premixed liquid spare, then by Vinylidene Chloride tree
Heating is placed on high temperature in two-roll mill and mixes in fat, ethylene propylene diene rubber, polylactic acid, dodecyl sodium sulfate addition reaction kettle
Conjunction obtains thermal reaction mixture, and vacuum reaction kettle is added after then thermal reaction mixture is cooled down, adds ammonium polyphosphate, titanium white
Powder is reacted, and vacuum reaction product is finally added foaming machine jointly with preliminary premixed liquid foams, then by foamed product
It is placed in baking oven and cures, then taken out from baking oven, is cooled to room temperature, obtains finished product expanded material.The plastics material being prepared
Material, its high insulating effect, intensity is high, has a good application prospect in architectural engineering.Also, present invention employs high density
Polyvinyl resin, polyethylene wax powder, methyl diphenylene diisocyanate these types raw material are mixed with the vacuum reaction being prepared
Foam after thing mixing, effective modification has been carried out to plastic material, although material therefor is not head in these modifying process
It is secondary to be applied in plastic material, but it is aided with corresponding processing mode, to what is be finally prepared after amount combination according to a certain ratio
Plastic material has brought increasing substantially in performance, this is never to report in conventional research, for realizing
The technique effect of the present invention plays the role of conclusive.
The foregoing is merely the embodiment of the present invention, is not intended to limit the scope of the invention, every to utilize this hair
The equivalent structure or equivalent flow shift that bright description is made, is directly or indirectly used in other relevant technology necks
Domain, is included within the scope of the present invention.
Claims (5)
1. a kind of preparation method of foaminess plastic material, it is characterised in that comprise the following steps：
(1) by 50-56 parts of high-density polyethylene resin, 32-38 parts of polyethylene wax powder, 5-9 parts of methyl diphenylene diisocyanate
The phosphoric acid solution that the concentration of the quality such as mixing, addition is 5%, adds in mixer and is blended, stirred 60 minutes at 70-80 DEG C,
Mixing speed is 1500 revs/min, obtains preliminary premixed liquid；
(2) by 20-24 parts of superchlorinated polyvinyl chloride resin, 18-22 parts of ethylene propylene diene rubber, 12-16 parts of polylactic acid, dodecyl sodium sulfate
In 5-7 parts of addition reaction kettles, insulated and stirred 40-50 minutes after being heated to 160-180 DEG C, then mixed material in reaction kettle is put
Mixed in high temperature in two-roll mill, mixing temperature is 200-220 DEG C, and incorporation time is 45 minutes, obtains thermal reaction mixture；
(3) added after the thermal reaction mixture temperature of step (2) drops to 80 DEG C in vacuum reaction kettle, add ammonium polyphosphate
6-8 parts, 3-5 parts of titanium dioxide, the temperature is maintained in vacuum environment, when stirring reaction 2-3 is small, obtains vacuum reaction mixture；
(4) the preliminary premixed liquid for obtaining the vacuum reaction mixture obtained by step (3) and step (1) is added in foaming machine, then
30-40 parts of silicone oil, 0.5-1 parts of ultraviolet initiator are added, foamable reaction is carried out, is immediately placed under ultraviolet lamp and shines after the completion of reaction
Penetrate, when irradiation time is 3-4 small, obtain foamed product；
(5) foamed product is placed in baking oven and cured, then taken out from baking oven, is cooled to room temperature, obtain finished product expanded material.
2. the preparation method of foaminess plastic material according to claim 1, it is characterised in that true in the step (3)
The vacuum pressure of Altitude is -0.098--0.1MPa.
3. the preparation method of foaminess plastic material according to claim 1, it is characterised in that purple in the step (4)
Any one of outer photoinitiator in benzoin dimethylether, Dialkoxy acetophenones, coumarone.
4. the preparation method of foaminess plastic material according to claim 1, it is characterised in that dried in the step (5)
Box temperature degree is 80-100 DEG C, when the curing time is 1-2 small.
5. Plastic valve, pipe are being prepared according to the foaminess plastic material that any one of the claim 1-4 preparation methods obtain
Application in aftermarket product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711389990.2A CN108003433A (en) | 2017-12-21 | 2017-12-21 | A kind of preparation method and applications of foaminess plastic material |
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894380A (en) * | 2020-07-29 | 2020-11-06 | 宜兴市优力健体育用品有限公司 | Anti-seismic protection type foaming strip and structure for skylight |
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| CN103613834A (en) * | 2013-11-19 | 2014-03-05 | 三友（天津）高分子技术有限公司 | Preparation method of low-smoke flame-retardant modified polyethylene foaming material for cavity of automobile |
| CN104151663A (en) * | 2014-08-06 | 2014-11-19 | 安踏（中国）有限公司 | EVA (Ethylene Vinyl Acetate) composite foaming material and preparation method thereof |
| CN104497392A (en) * | 2014-12-09 | 2015-04-08 | 黑龙江省润特科技有限公司 | Ultraviolet cross-linking polyolefin foaming material and preparation method thereof |
| CN105385368A (en) * | 2015-12-15 | 2016-03-09 | 常熟市振宇胶带有限公司 | Anti-adhesion rubber belt and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103613834A (en) * | 2013-11-19 | 2014-03-05 | 三友（天津）高分子技术有限公司 | Preparation method of low-smoke flame-retardant modified polyethylene foaming material for cavity of automobile |
| CN104151663A (en) * | 2014-08-06 | 2014-11-19 | 安踏（中国）有限公司 | EVA (Ethylene Vinyl Acetate) composite foaming material and preparation method thereof |
| CN104497392A (en) * | 2014-12-09 | 2015-04-08 | 黑龙江省润特科技有限公司 | Ultraviolet cross-linking polyolefin foaming material and preparation method thereof |
| CN105385368A (en) * | 2015-12-15 | 2016-03-09 | 常熟市振宇胶带有限公司 | Anti-adhesion rubber belt and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894380A (en) * | 2020-07-29 | 2020-11-06 | 宜兴市优力健体育用品有限公司 | Anti-seismic protection type foaming strip and structure for skylight |
| CN111894380B (en) * | 2020-07-29 | 2022-04-22 | 宜兴市优力健体育用品有限公司 | Anti-seismic protection type foaming strip and structure for skylight |
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Application publication date: 20180508 |