CN108314874A - A kind of novel fire resistant plastics and preparation method thereof - Google Patents
A kind of novel fire resistant plastics 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
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
- C08L71/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
- C08L71/12—Polyphenylene oxides
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/06—Polysulfones; Polyethersulfones
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K2003/085—Copper
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
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- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
A kind of novel fire resistant plastics of present invention offer and preparation method thereof, which is made by following component：Thermoplastic resin, inorganic filler, calcium silicates, hydroxymethyl cellulose, epoxy resin, acetone soln, modified starch, nano silicon dioxide, dispersant, emulsifier, plasticizing adjuvant, biological solubilizer, PHA conditioning agents, high-temperature curing agent and deionized water.The plastics that the present invention prepares, not only nontoxic, good weatherability, with preferable stability and for a long time in hot environment still be able to keep good mechanical performance, be not easy to become fragile it is frangible, service life is long, breach the defect of conventional plastic, with very strong practical value, preparation method of the present invention is simple in addition, and commercial viability is strong.
Description
Technical field
The invention belongs to plastic fabrication technique fields, and in particular to a kind of novel fire resistant plastics and preparation method thereof.
Background technology
With the continuous development of industry, plastics have been more and more widely used.Polyethylene, polypropylene, PTT polyester,
The a large amount of uses of ABS etc. are in industries such as water-saving irrigation, building, indoor decoration, furniture, electric power, transports.Nowadays, plastic products have been
Through being applied in more and more fields, however possesses now with many plastic products needs and remain to keep good at high temperature
The good ability, such as the plastic nozzle of fire extinguisher, plastic microwave box, plastic lamp shade of mechanical performance etc., in these cases
When using plastic products, if plastic products cannot bear high temperature, it is easy to it is rotten, cause plastic products to become fragile frangible,
Reduce the service life of plastic products.
With the development and progress of society and the increasingly raising of living standard, people are to life, working environment
It is required that higher and higher.Because plastics have many advantages, such as light, not corrosion, good insulating, low cost, field in all respects
Many links will use plastic products, but there is also some disadvantages for of plastics itself：Such as heat-resisting ability is poor, intensity it is low because
Element constrains the development of plastics.
In conclusion being badly in need of a kind of better plastics to improve the deficiencies in the prior art, to push the development of the sector.
Invention content
The object of the present invention is to provide a kind of novel fire resistant plastics and preparation method thereof, the plastics that the present invention prepares,
Not only nontoxic, good weatherability has preferable stability and still is able to keep good machine in hot environment for a long time
Tool performance is not easy to become fragile frangible, and service life is long, breaches the defect of conventional plastic, has very strong practical value, in addition this
Invention preparation method is simple, and commercial viability is strong.
The present invention provides the following technical solutions：
A kind of novel fire resistant plastics, include the raw material of following parts by weight：28-34 parts of thermoplastic resin, inorganic filler 22-28
Part, 17-22 parts of calcium silicates, 24-35 parts of hydroxymethyl cellulose, 23-34 parts of epoxy resin, 35-43 parts of acetone soln, modified starch
22-27 parts, 18-22 parts of nano silicon dioxide, 12-19 parts of dispersant, 12-17 parts of emulsifier, 18-23 parts of plasticizing adjuvant, biology
45-55 parts of 15-18 parts of solubilizer, 8-14 parts of PHA conditioning agents, 10-14 parts of high-temperature curing agent and deionized water.
A kind of preparation method of novel fire resistant plastics, including following preparation process：
A, thermoplastic resin and epoxy resin are added in reaction kettle and are warming up to 250-280 DEG C, Heat preservation is to being completely melt
Afterwards, acetone soln and calcium silicates is added, temperature is reduced to 130-150 DEG C, 25-40min is reacted, obtains mixture one；
B, modified starch and hydroxymethyl cellulose are add to deionized water, heat and be slowly stirred at 60-70 DEG C, the time
For 10-15min, emulsifier is added, raises the temperature to 80-90 DEG C, is stirred to sticky under the rotating speed of 100-150r/min
When shape, stops heating and stirring, obtain mixture two；
C, after mixing by inorganic filler, calcium silicates and nano silicon dioxide, it imports in ball mill, ball milling 2-3h is mixed
Close powder；
D, mix powder is added in mixture two, adds biological solubilizer and dispersant, in 50-60 DEG C of following stirring
Side is heated, until thick mixture dilution is opened, adds PHA conditioning agents, pH value is adjusted to 7-8, mixture three is obtained；
E, mixture one, mixture three are added to together in high mixer, and plasticizing adjuvant and high-temperature curing agent is added, in 90-
It is stirred 30-50min at 110 DEG C, imports in mold later, is dehydrated, is pressurizeed, cured, plastotype, you can obtaining finished product.
Preferably, the thermoplastic resin of the step a is polyphenylene oxide resin, polycarbonate resin, polysulfone resin and polyethers
Any one of sulphone resin or several mixing.
Preferably, the preparation method of the emulsifier of the step b is：Fatty acid monoglyceride, citric acid are uniformly mixed,
It heats and stirs, temperature is 55-60 DEG C, time 20-30min, after adding water-reducing agent heat preservation 20-25min later, is cooled to
Room temperature, you can.
Preferably, the inorganic filler of the step c is any one of bentonite, calcium carbonate, mica and high territory or several
The mixing of kind.
Preferably, the biological solubilizer of the step d is made of sludge, brown sugar and activation bacterium activation fermentation.
Preferably, the PHA conditioning agents of the step d are any one of sodium bicarbonate, ammonium hydroxide and ethanol amine or several
Mixing.
Preferably, the preparation method of the plasticizing adjuvant of the step e is：By graphite powder, copper powder and neck potassium hydrogen phthalate
Co-grinding crosses 80-100 mesh sieve, obtains powder one, then by chlorinated paraffin, quartz and sodium carbonate co-grinding, cross 100-
120 mesh sieve, and obtain powder two, powder one, powder two are stirred with deionized water, stir 20-25min, then filter, is dry
Dry, crushing crosses 300-500 mesh sieve, is again heated to 650-700 DEG C, after calcining 1-2h, cooled to room temperature, you can.
Preferably, the high-temperature curing agent of the step e is sulfamic acid, ammonium sulfate, ammonium chloride, monoethanolamine, diethanol
Any one of amine, triethanolamine or several mixing.
The beneficial effects of the invention are as follows：
The plastics that the present invention prepares, not only nontoxic, good weatherability have preferable stability and for a long time in height
Warm environment still is able to keep good mechanical performance, is not easy to become fragile frangible, and service life is long, breaches the defect of conventional plastic,
With very strong practical value, preparation method of the present invention is simple in addition, and commercial viability is strong.
The nano silicon dioxide being added in the present invention can improve the heat-resisting ability of plastics, moreover it is possible to improve the heat resistanceheat resistant of plastics
Pinking and chemical stability；The plasticizing adjuvant of addition is conducive to improve covering power, reducing power, anticorrosive property, fast light and weatherability,
The cracking of plastics and withered and fallen is avoided, avoids ultraviolet light and moisture from penetrating, extends the service life of plastics；The high-temperature curing agent of addition
The thermal conductivity of plastics can be improved, coefficient of thermal expansion and molding shrinkage are reduced.
Specific implementation mode
Embodiment 1
A kind of novel fire resistant plastics, include the raw material of following parts by weight：28 parts of thermoplastic resin, 22 parts of inorganic filler, silicic acid
22 parts of calcium, 24 parts of hydroxymethyl cellulose, 34 parts of epoxy resin, 43 parts of acetone soln, 22 parts of modified starch, nano silicon dioxide 22
Part, 12 parts of dispersant, 12 parts of emulsifier, 23 parts of plasticizing adjuvant, biological 18 parts of solubilizer, 8 parts of PHA conditioning agents, high-temperature curing agent
14 parts and 45 parts of deionized water.
A kind of preparation method of novel fire resistant plastics, including following preparation process：
A, thermoplastic resin and epoxy resin are added in reaction kettle and are warming up to 280 DEG C, Heat preservation adds to after being completely melt
Enter acetone soln and calcium silicates, temperature is reduced to 150 DEG C, 25min is reacted, obtains mixture one；
B, modified starch and hydroxymethyl cellulose are add to deionized water, heat and be slowly stirred at 70 DEG C, the time is
10min adds emulsifier, raises the temperature to 80 DEG C, under the rotating speed of 150r/min stirring to it is thick when, stop heating
And stirring, obtain mixture two；
C, after mixing by inorganic filler, calcium silicates and nano silicon dioxide, it imports in ball mill, ball milling 2h is mixed
Powder；
D, mix powder is added in mixture two, adds biological solubilizer and dispersant, at 60 DEG C while stirring
Heating adds PHA conditioning agents, pH value is adjusted to 7, mixture three is obtained until thick mixture dilution is opened；
E, mixture one, mixture three are added to together in high mixer, and plasticizing adjuvant and high-temperature curing agent is added, 110
It is stirred 30min at DEG C, imports in mold later, is dehydrated, is pressurizeed, cured, plastotype, you can obtaining finished product.
The thermoplastic resin of step a is the mixing of polyphenylene oxide resin and polyethersulfone resin.
The preparation method of the emulsifier of step b is：Fatty acid monoglyceride, citric acid are uniformly mixed, heat and stirred,
Temperature is 55 DEG C, time 30min, after adding water-reducing agent heat preservation 20min later, is cooled to room temperature, you can.
The inorganic filler of step c is the mixing of mica and high territory.
The biological solubilizer of step d is made of sludge, brown sugar and activation bacterium activation fermentation.
The PHA conditioning agents of step d are the mixing of sodium bicarbonate, ammonium hydroxide and ethanol amine.
The preparation method of the plasticizing adjuvant of step e is：By graphite powder, copper powder and neck potassium hydrogen phthalate co-grinding, mistake
100 mesh sieve, and obtain powder one, then by chlorinated paraffin, quartz and sodium carbonate co-grinding, sieve with 100 mesh sieve, obtain powder two,
Powder one, powder two are stirred with deionized water, stir 25min, then filters, is dry, crushing, crosses 300 mesh sieve, then add
Heat is to 700 DEG C, after calcining 1h, cooled to room temperature, you can.
The high-temperature curing agent of step e is the mixing of sulfamic acid, ammonium sulfate, diethanol amine, triethanolamine.
Embodiment 2
A kind of novel fire resistant plastics, include the raw material of following parts by weight：28 parts of thermoplastic resin, 22 parts of inorganic filler, silicic acid
17 parts of calcium, 24 parts of hydroxymethyl cellulose, 23 parts of epoxy resin, 35 parts of acetone soln, 22 parts of modified starch, nano silicon dioxide 18
Part, 12 parts of dispersant, 12 parts of emulsifier, 18 parts of plasticizing adjuvant, biological 15 parts of solubilizer, 8 parts of PHA conditioning agents, high-temperature curing agent
10 parts and 45 parts of deionized water.
A kind of preparation method of novel fire resistant plastics, including following preparation process：
A, thermoplastic resin and epoxy resin are added in reaction kettle and are warming up to 250 DEG C, Heat preservation adds to after being completely melt
Enter acetone soln and calcium silicates, temperature is reduced to 130 DEG C, 25min is reacted, obtains mixture one；
B, modified starch and hydroxymethyl cellulose are add to deionized water, heat and be slowly stirred at 60 DEG C, the time is
10min adds emulsifier, raises the temperature to 80 DEG C, under the rotating speed of 100r/min stirring to it is thick when, stop heating
And stirring, obtain mixture two；
C, after mixing by inorganic filler, calcium silicates and nano silicon dioxide, it imports in ball mill, ball milling 2h is mixed
Powder；
D, mix powder is added in mixture two, adds biological solubilizer and dispersant, at 50 DEG C while stirring
Heating adds PHA conditioning agents, pH value is adjusted to 7, mixture three is obtained until thick mixture dilution is opened；
E, mixture one, mixture three are added to together in high mixer, and plasticizing adjuvant and high-temperature curing agent is added, at 90 DEG C
Under be stirred 30min, later import mold in, be dehydrated, pressurizeed, being cured, plastotype, you can obtaining finished product.
The thermoplastic resin of step a is the mixing of polycarbonate resin, polysulfone resin and polyethersulfone resin.
The preparation method of the emulsifier of step b is：Fatty acid monoglyceride, citric acid are uniformly mixed, heat and stirred,
Temperature is 55 DEG C, time 20min, after adding water-reducing agent heat preservation 20min later, is cooled to room temperature, you can.
The inorganic filler of step c is the mixing of bentonite, calcium carbonate, mica and high territory.
The biological solubilizer of step d is made of sludge, brown sugar and activation bacterium activation fermentation.
The PHA conditioning agents of step d are the mixing of sodium bicarbonate, ammonium hydroxide and ethanol amine.
The preparation method of the plasticizing adjuvant of step e is：By graphite powder, copper powder and neck potassium hydrogen phthalate co-grinding, mistake
80 mesh sieve, and obtain powder one, then by chlorinated paraffin, quartz and sodium carbonate co-grinding, sieve with 100 mesh sieve, obtain powder two, will
Powder one, powder two are stirred with deionized water, stir 20min, then filter, is dry, crushing, and are crossed 300 mesh sieve, are reheated
To 650 DEG C, after calcining 1h, cooled to room temperature, you can.
The high-temperature curing agent of step e is the mixing of sulfamic acid, ammonium sulfate, monoethanolamine, diethanol amine, triethanolamine.
Embodiment 3
A kind of novel fire resistant plastics, include the raw material of following parts by weight：34 parts of thermoplastic resin, 28 parts of inorganic filler, silicic acid
22 parts of calcium, 35 parts of hydroxymethyl cellulose, 34 parts of epoxy resin, 43 parts of acetone soln, 27 parts of modified starch, nano silicon dioxide 18
Part, 19 parts of dispersant, 17 parts of emulsifier, 23 parts of plasticizing adjuvant, biological 18 parts of solubilizer, 14 parts of PHA conditioning agents, high-temperature curing agent
14 parts and 55 parts of deionized water.
A kind of preparation method of novel fire resistant plastics, including following preparation process：
A, thermoplastic resin and epoxy resin are added in reaction kettle and are warming up to 280 DEG C, Heat preservation adds to after being completely melt
Enter acetone soln and calcium silicates, temperature is reduced to 150 DEG C, 40min is reacted, obtains mixture one；
B, modified starch and hydroxymethyl cellulose are add to deionized water, heat and be slowly stirred at 70 DEG C, the time is
15min adds emulsifier, raises the temperature to 90 DEG C, under the rotating speed of 150r/min stirring to it is thick when, stop heating
And stirring, obtain mixture two；
C, after mixing by inorganic filler, calcium silicates and nano silicon dioxide, it imports in ball mill, ball milling 3h is mixed
Powder；
D, mix powder is added in mixture two, adds biological solubilizer and dispersant, at 60 DEG C while stirring
Heating adds PHA conditioning agents, pH value is adjusted to 8, mixture three is obtained until thick mixture dilution is opened；
E, mixture one, mixture three are added to together in high mixer, and plasticizing adjuvant and high-temperature curing agent is added, 110
It is stirred 50min at DEG C, imports in mold later, is dehydrated, is pressurizeed, cured, plastotype, you can obtaining finished product.
The thermoplastic resin of step a is the mixing of polyphenylene oxide resin, polycarbonate resin and polyethersulfone resin.
The preparation method of the emulsifier of step b is：Fatty acid monoglyceride, citric acid are uniformly mixed, heat and stirred,
Temperature is 60 DEG C, time 30min, after adding water-reducing agent heat preservation 25min later, is cooled to room temperature, you can.
The inorganic filler of step c is the mixing of bentonite, calcium carbonate, mica and high territory.
The biological solubilizer of step d is made of sludge, brown sugar and activation bacterium activation fermentation.
The PHA conditioning agents of step d are the mixing of sodium bicarbonate, ammonium hydroxide and ethanol amine.
The preparation method of the plasticizing adjuvant of step e is：By graphite powder, copper powder and neck potassium hydrogen phthalate co-grinding, mistake
100 mesh sieve, and obtain powder one, then by chlorinated paraffin, quartz and sodium carbonate co-grinding, cross 120 mesh sieve, obtain powder two,
Powder one, powder two are stirred with deionized water, stir 25min, then filters, is dry, crushing, crosses 300 mesh sieve, then add
Heat is to 650 DEG C, after calcining 2h, cooled to room temperature, you can.
The high-temperature curing agent of step e is sulfamic acid, ammonium sulfate, ammonium chloride, monoethanolamine, diethanol amine, triethanolamine
Mixing.
End properties prepared by above example are detected, following data are obtained：
Table one：
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Heat distortion temperature | 188℃ | 185℃ | 185℃ |
| Tensile strength（MPa） | 108 | 115 | 112 |
| Elongation at break（%） | 5.2 | 4.9 | 5.2 |
| Resistance to ag(e)ing（1000h） | Product is unchanged | Product is unchanged | Product is unchanged |
| Notch impact strength（KJ/M2） | 4.0 | 3.9 | 3.8 |
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to the foregoing embodiments
Invention is explained in detail, for those skilled in the art, still can be to foregoing embodiments institute
The technical solution of record is modified or equivalent replacement of some of the technical features.It is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of novel fire resistant plastics, which is characterized in that include the raw material of following parts by weight：28-34 parts of thermoplastic resin, nothing
22-28 parts of machine filler, 17-22 parts of calcium silicates, 24-35 parts of hydroxymethyl cellulose, 23-34 parts of epoxy resin, acetone soln 35-43
Part, 22-27 parts of modified starch, 18-22 parts of nano silicon dioxide, 12-19 parts of dispersant, 12-17 parts of emulsifier, plasticizing adjuvant
45-55 parts of 18-23 parts, biological 15-18 parts of solubilizer, 8-14 parts of PHA conditioning agents, 10-14 parts of high-temperature curing agent and deionized water.
2. a kind of preparation method of novel fire resistant plastics described in claim 1, which is characterized in that walked including following preparation
Suddenly：
A, thermoplastic resin and epoxy resin are added in reaction kettle and are warming up to 250-280 DEG C, Heat preservation is to being completely melt
Afterwards, acetone soln and calcium silicates is added, temperature is reduced to 130-150 DEG C, 25-40min is reacted, obtains mixture one；
B, modified starch and hydroxymethyl cellulose are add to deionized water, heat and be slowly stirred at 60-70 DEG C, the time
For 10-15min, emulsifier is added, raises the temperature to 80-90 DEG C, is stirred to sticky under the rotating speed of 100-150r/min
When shape, stops heating and stirring, obtain mixture two；
C, after mixing by inorganic filler, calcium silicates and nano silicon dioxide, it imports in ball mill, ball milling 2-3h is mixed
Close powder；
D, mix powder is added in mixture two, adds biological solubilizer and dispersant, in 50-60 DEG C of following stirring
Side is heated, until thick mixture dilution is opened, adds PHA conditioning agents, pH value is adjusted to 7-8, mixture three is obtained；
E, mixture one, mixture three are added to together in high mixer, and plasticizing adjuvant and high-temperature curing agent is added, in 90-
It is stirred 30-50min at 110 DEG C, imports in mold later, is dehydrated, is pressurizeed, cured, plastotype, you can obtaining finished product.
3. a kind of preparation method of novel fire resistant plastics according to claim 2, which is characterized in that the step a's
Thermoplastic resin is any one of polyphenylene oxide resin, polycarbonate resin, polysulfone resin and polyethersulfone resin or several mixed
It closes.
4. a kind of preparation method of novel fire resistant plastics according to claim 2, which is characterized in that the step b's
The preparation method of emulsifier is：Fatty acid monoglyceride, citric acid are uniformly mixed, heat and stirred, temperature is 55-60 DEG C,
Time is 20-30min, after adding water-reducing agent heat preservation 20-25min later, is cooled to room temperature, you can.
5. a kind of preparation method of novel fire resistant plastics according to claim 2, which is characterized in that the step c's
Inorganic filler is any one of bentonite, calcium carbonate, mica and high territory or several mixing.
6. a kind of preparation method of novel fire resistant plastics according to claim 2, which is characterized in that the step d's
Biological solubilizer is made of sludge, brown sugar and activation bacterium activation fermentation.
7. a kind of preparation method of novel fire resistant plastics according to claim 2, which is characterized in that the step d's
PHA conditioning agents are any one of sodium bicarbonate, ammonium hydroxide and ethanol amine or several mixing.
8. a kind of preparation method of novel fire resistant plastics according to claim 2, which is characterized in that the step e's
The preparation method of plasticizing adjuvant is：By graphite powder, copper powder and neck potassium hydrogen phthalate co-grinding, 80-100 mesh sieve is crossed, is obtained
Powder one, then by chlorinated paraffin, quartz and sodium carbonate co-grinding, cross 100-120 mesh sieve, obtain powder two, by powder one,
Powder two is stirred with deionized water, stirs 20-25min, then filters, is dry, crushing, and is crossed 300-500 mesh sieve, is reheated
To 650-700 DEG C, after calcining 1-2h, cooled to room temperature, you can.
9. a kind of preparation method of novel fire resistant plastics according to claim 2, which is characterized in that the step e's
High-temperature curing agent is any one of sulfamic acid, ammonium sulfate, ammonium chloride, monoethanolamine, diethanol amine, triethanolamine or several
Mixing.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104945677A (en) * | 2015-06-26 | 2015-09-30 | 苏州荣昌复合材料有限公司 | Method for preparing high-temperature-resistant modified plastic |
| CN106279778A (en) * | 2016-08-05 | 2017-01-04 | 安庆市汇东机械有限责任公司 | A kind of heat resist modification fluoroplastic compositions |
| CN106750557A (en) * | 2016-12-08 | 2017-05-31 | 滁州麦迪尔塑胶有限公司 | A kind of antistatic heat resist modification plastics composite |
-
2018
- 2018-01-24 CN CN201810067581.9A patent/CN108314874A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104945677A (en) * | 2015-06-26 | 2015-09-30 | 苏州荣昌复合材料有限公司 | Method for preparing high-temperature-resistant modified plastic |
| CN106279778A (en) * | 2016-08-05 | 2017-01-04 | 安庆市汇东机械有限责任公司 | A kind of heat resist modification fluoroplastic compositions |
| CN106750557A (en) * | 2016-12-08 | 2017-05-31 | 滁州麦迪尔塑胶有限公司 | A kind of antistatic heat resist modification plastics composite |
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