CN107383765A - Engineering flame retardant plastic flitch and preparation method thereof - Google Patents
Engineering flame retardant plastic flitch and preparation method thereof Download PDFInfo
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- CN107383765A CN107383765A CN201710722001.0A CN201710722001A CN107383765A CN 107383765 A CN107383765 A CN 107383765A CN 201710722001 A CN201710722001 A CN 201710722001A CN 107383765 A CN107383765 A CN 107383765A
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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
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a kind of engineering flame retardant plastic flitch and preparation method thereof, the preparation method includes：Montmorillonite and APP solution are mixed, is reacted 12 hours at 70 80 DEG C, modified montmorillonoid is obtained after filtering；Modified montmorillonoid, phenolic resin, polystyrene, makrolon, Corvic, organic silicon fibre retardant, filler, lubricant and plasticizer are mixed, obtain mixture M；Mixture M is added in double screw extruder, flame retardant plastics is obtained after extruded, shaping；It is difficult to ensure superior mechanical property and fire resistance simultaneously to solve the problems, such as existing flame retardant plastics.
Description
Technical field
The present invention relates to field of plastics manufacture, in particular it relates to a kind of engineering flame retardant plastic flitch and preparation method thereof.
Background technology
Because the harmfulness of fire is very big, therefore fire-retardant problem is paid attention to by people already, and the application of plastic products has been popularized
The every field of national economy is arrived, such as appliance cord, construction material, aerospace partses are required to fire-retardant.Universal raising modeling
The method for expecting anti-flammability is that fire retardant is added in plastic raw materials, contains halogen in the fire retardant of plurality, is released during burning
Hydrogen halide is toxic to human body and has strong smothering action, moreover, most fire retardants is often accompanied by dense smoke in burning,
Hinder visibility during rescue.Later people, which notice, develops less toxic side effect, the fire retardant new varieties of low cigarette, but these
The shortcomings of addition of fire retardant, which is also difficult to overcome, makes plastics heat resistance and mechanical properties decrease, and manufacturability is deteriorated.
Therefore it provides one kind effectively improves the engineering of plastic material flame retardant on the premise of the excellent mechanical property of plastics is ensured
The problem of flame retardant plastic flitch and preparation method thereof is urgent need to resolve of the present invention.
The content of the invention
It is an object of the invention to provide a kind of engineering flame retardant plastic flitch and preparation method thereof, solve existing engineering plastics
Plate is difficult the problem of ensureing superior mechanical property and fire resistance simultaneously.
To achieve these goals, the invention provides a kind of preparation method of engineering flame retardant plastic flitch, the preparation side
Method includes：
(1) montmorillonite and APP solution are mixed, 1-2 hours is reacted at 70-80 DEG C, obtain being modified illiteracy after filtering
De- soil；
(2) by modified montmorillonoid, phenolic resin, polystyrene, makrolon, Corvic, organic silicon fibre retardant,
Filler, lubricant and plasticizer mixing, obtain mixture M；
(3) mixture M is added in double screw extruder, engineering flame retardant plastic flitch is obtained after extruded, shaping；Wherein,
The condition of extrusion includes：The rotating speed of screw rod is 200-300 revs/min, and the temperature of feeding section is 200-210 DEG C, fusion plastification section
Temperature be 240-250 DEG C, mix homogenizing zone temperature be 210-220 DEG C, the temperature of melt conveying metering section is 180-200
℃。
Present invention also offers a kind of engineering flame retardant plastic flitch, the engineering flame retardant plastic flitch is by above-mentioned preparation method system
.
Pass through above-mentioned technical proposal, the invention provides a kind of engineering flame retardant plastic flitch and preparation method thereof, the preparation
Method includes：Montmorillonite and APP solution are mixed, 1-2 hours are reacted at 70-80 DEG C, modified cover is obtained after filtering and is taken off
Soil；By modified montmorillonoid, phenolic resin, polystyrene, makrolon, Corvic, organic silicon fibre retardant, filler,
Lubricant and plasticizer mixing, obtain mixture M；Mixture M is added in double screw extruder, obtained after extruded, shaping
Engineering flame retardant plastic flitch；Pass through the synergy between each raw material so that obtained flame retardant plastics is provided simultaneously with excellent machinery
Performance and fire resistance, meanwhile, method for preparing the flame retardant plastics is simple, raw material is easy to get.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The end points of disclosed scope and any value are not limited to the accurate scope or value herein, these scopes or
Value should be understood to comprising the value close to these scopes or value.For number range, between the endpoint value of each scope, respectively
It can be combined with each other between the endpoint value of individual scope and single point value, and individually between point value and obtain one or more
New number range, these number ranges should be considered as specific open herein.
The invention provides a kind of preparation method of engineering flame retardant plastic flitch, the preparation method includes：
(1) montmorillonite and APP solution are mixed, 1-2 hours is reacted at 70-80 DEG C, obtain being modified illiteracy after filtering
De- soil；
(2) by modified montmorillonoid, phenolic resin, polystyrene, makrolon, Corvic, organic silicon fibre retardant,
Filler, lubricant and plasticizer mixing, obtain mixture M；
(3) mixture M is added in double screw extruder, engineering flame retardant plastic flitch is obtained after extruded, shaping；Wherein,
The condition of extrusion includes：The rotating speed of screw rod is 200-300 revs/min, and the temperature of feeding section is 200-210 DEG C, fusion plastification section
Temperature be 240-250 DEG C, mix homogenizing zone temperature be 210-220 DEG C, the temperature of melt conveying metering section is 180-200
℃。
In a kind of preferred embodiment of the present invention, in order to further improve the mechanical property of obtained plastics and resistance
Performance is fired, relative to the phenolic resin of 100 parts by weight, the dosage of modified montmorillonoid is 2-8 parts by weight, and the dosage of polystyrene is
20-30 parts by weight, the dosage of makrolon is 25-45 parts by weight, and the dosage of Corvic is 40-80 parts by weight, organic
The dosage of silicon fire retardant is 2-10 parts by weight, and the dosage of filler is 2-7 parts by weight, and the dosage of lubricant is 2-7 parts by weight, is increased
The dosage for moulding agent is 2-8 parts by weight.
In a kind of preferred embodiment of the present invention, in order to further improve the mechanical property of obtained plastics and resistance
Performance is fired, relative to the phenolic resin of 100 parts by weight, the dosage of modified montmorillonoid is 4-6 parts by weight, and the dosage of polystyrene is
24-26 parts by weight, the dosage of makrolon is 30-40 parts by weight, and the dosage of Corvic is 50-70 parts by weight, organic
The dosage of silicon fire retardant is 4-6 parts by weight, and the dosage of filler is 4-5 parts by weight, and the dosage of lubricant is 4-5 parts by weight, is increased
The dosage for moulding agent is 4-6 parts by weight.
In a kind of preferred embodiment of the present invention, in order to further improve the mechanical property of obtained plastics and resistance
Performance is fired, in step (1), montmorillonite and APP solution are 1 according to mass ratio：20-30 ratios are mixed.
In a kind of preferred embodiment of the present invention, in order to further improve the mechanical property of obtained plastics and resistance
Performance is fired, the mass concentration of APP solution is 40-60%.
In a kind of preferred embodiment of the present invention, in order to further improve the mechanical property of obtained plastics and resistance
Fire performance, one or more of the filler in calcium carbonate, clay, silicate and talcum powder.
In a kind of preferred embodiment of the present invention, in order to further improve the mechanical property of obtained plastics and resistance
Fire performance, one or more of the lubricant in stearic acid, stearate, polystyrene wax, paraffin and oleamide.
In a kind of preferred embodiment of the present invention, in order to further improve the mechanical property of obtained plastics and resistance
Performance is fired, plasticizer is selected from phthalate compound, terephthalic acid ester compound and trimellitic acid esters chemical combination
One or more in thing.
In a kind of preferred embodiment of the present invention, in order to further improve the mechanical property of obtained plastics and resistance
Performance is fired, the weight average molecular weight of polystyrene is 5000-8000, and the weight average molecular weight of makrolon is 9000-12000.
Present invention also offers a kind of engineering flame retardant plastic flitch, the engineering flame retardant plastic flitch is by above-mentioned preparation method system
.
The present invention will be described in detail by way of examples below.In following examples, the Weight-average molecular of polystyrene
Measure as 5000-8000, the weight average molecular weight of makrolon is 9000-12000；Organic silicon fibre retardant is limited by the wide guest's trade in Shanghai
The trade mark that company provides is KR-2710 commercially available product.
Embodiment 1
It (is 1 according to mass ratio that 10g montmorillonites and APP solution, which are mixed,：20 ratios are mixed, wherein, poly- phosphorus
The mass concentration of acid ammonium solution is 40%), to be reacted 1 hour at 70 DEG C, modified montmorillonoid is obtained after filtering；4g is modified to cover and taken off
Soil, 100g phenolic resin, 24g polystyrene, 30g makrolon, 50g Corvics, 4g organic silicon fibre retardants, 4g carbonic acid
Calcium, 4g stearic acid and the mixing of 4g phthalate compounds, obtain mixture M；Mixture M is added into double screw extruder
In, extruded, shaping (it is molded by the way of hot-forming, and the temperature of hot pressing is 40 DEG C, the pressure of hot pressing is 30MPa) after
Obtain engineering flame retardant plastic flitch A1；Wherein, the condition of extrusion includes：The rotating speed of screw rod is 200 revs/min, the temperature of feeding section
For 200 DEG C, the temperature of fusion plastification section is 240 DEG C, and the temperature for mixing homogenizing zone is 210 DEG C, the temperature of melt conveying metering section
For 180 DEG C.
Embodiment 2
It (is 1 according to mass ratio that 10g montmorillonites and APP solution, which are mixed,：30 ratios are mixed, wherein, poly- phosphorus
The mass concentration of acid ammonium solution is 60%), to be reacted 2 hours at 80 DEG C, modified montmorillonoid is obtained after filtering；6g is modified to cover and taken off
Soil, 100g phenolic resin, 26g polystyrene, 40g makrolon, 70g Corvics, 6g organic silicon fibre retardants, 5g silicic acid
Salt (sodium metasilicate), 5g polystyrene wax and the mixing of 6g terephthalic acid esters compound, obtain mixture M；Mixture M is added
In double screw extruder, extruded, shaping (is molded by the way of hot-forming, and the temperature of hot pressing is 40 DEG C, the pressure of hot pressing
Power is 30MPa) after obtain engineering flame retardant plastic flitch A2；Wherein, the condition of extrusion includes：The rotating speed of screw rod is 300 revs/min,
The temperature of feeding section is 210 DEG C, and the temperature of fusion plastification section is 250 DEG C, and the temperature for mixing homogenizing zone is 220 DEG C, melt conveying
The temperature of metering section is 200 DEG C.
Embodiment 3
It (is 1 according to mass ratio that 10g montmorillonites and APP solution, which are mixed,：25 ratios are mixed, wherein, poly- phosphorus
The mass concentration of acid ammonium solution is 50%), to be reacted 1.5 hours at 75 DEG C, modified montmorillonoid is obtained after filtering；5g is modified and covered
De- soil, 100g phenolic resin, 25g polystyrene, 35g makrolon, 60g Corvics, 5g organic silicon fibre retardants, 4.5g
Talcum powder, 4.5g oleamides and the mixing of 5g trimellitic acid esters compound, obtain mixture M；Mixture M is added into twin-screw
In extruder, and extruded, shaping (it is molded by the way of hot-forming, and the temperature of hot pressing is 40 DEG C, the pressure of hot pressing is
Engineering flame retardant plastic flitch A3 is obtained after 30MPa)；Wherein, the condition of extrusion includes：The rotating speed of screw rod is 250 revs/min, charging
The temperature of section is 205 DEG C, and the temperature of fusion plastification section is 245 DEG C, and the temperature for mixing homogenizing zone is 215 DEG C, melt conveying metering
The temperature of section is 190 DEG C.
Embodiment 4
It is prepared by the method according to embodiment 3, unlike, relative to 100g phenolic resin, modified montmorillonoid
Dosage is 2g, and the dosage of polystyrene is 20g, and the dosage of makrolon is 25g, and the dosage of Corvic is 40g, organic
The dosage of silicon fire retardant is 2g, and the dosage of filler is 2g, and the dosage of lubricant is 2g, and the dosage of plasticizer is 2g, obtains work
Journey flame retardant plastic flitch A4.
Embodiment 5
It is prepared by the method according to embodiment 3, unlike, relative to 100g phenolic resin, modified montmorillonoid
Dosage is 8g, and the dosage of polystyrene is 30g, and the dosage of makrolon is 45g, and the dosage of Corvic is 80g, organic
The dosage of silicon fire retardant is 10g, and the dosage of filler is 7g, and the dosage of lubricant is 7g, and the dosage of plasticizer is 8g, obtains work
Journey flame retardant plastic flitch A5.
Embodiment 6
It is prepared by the method according to embodiment 3, unlike, relative to 100g phenolic resin, modified montmorillonoid
Dosage is 1g, and the dosage of polystyrene is 15g, and the dosage of makrolon is 20g, and the dosage of Corvic is 35g, organic
The dosage of silicon fire retardant is 1g, and the dosage of filler is 1g, and the dosage of lubricant is 1g, and the dosage of plasticizer is 1g, obtains work
Journey flame retardant plastic flitch A6.
Embodiment 7
It is prepared by the method according to embodiment 3, unlike, relative to 100g phenolic resin, modified montmorillonoid
Dosage is 10g, and the dosage of polystyrene is 35g, and the dosage of makrolon is 50g, and the dosage of Corvic is 85g, is had
The dosage of machine silicon fire retardant is 15g, and the dosage of filler is 10g, and the dosage of lubricant is 10g, and the dosage of plasticizer is 10g,
Obtain engineering flame retardant plastic flitch A7.
Comparative example 1
It is prepared by the method according to embodiment 3, unlike, the condition of expressing technique includes：The rotating speed of screw rod is 150
Rev/min, the temperature of feeding section is 180 DEG C, and the temperature of fusion plastification section is 220 DEG C, and the temperature for mixing homogenizing zone is 180 DEG C,
The temperature of melt conveying metering section is 150 DEG C, obtains engineering flame retardant plastic flitch D1.
Comparative example 2
It is prepared by the method according to embodiment 3, unlike, the condition of expressing technique includes：The rotating speed of screw rod is 350
Rev/min, the temperature of feeding section is 240 DEG C, and the temperature of fusion plastification section is 260 DEG C, and the temperature for mixing homogenizing zone is 240 DEG C,
The temperature of melt conveying metering section is 220 DEG C, obtains engineering flame retardant plastic flitch D2.
Comparative example 3
Carried out according to the method for embodiment 3, unlike, polystyrene is not included in raw material, obtains engineering flame retardant plastics
Plate D3.
Comparative example 4
Carried out according to the method for embodiment 3, unlike, makrolon is not included in raw material, obtains engineering flame retardant plastics
Plate D4.
Comparative example 5
Carried out according to the method for embodiment 3, unlike, Corvic is not included in raw material, it is fire-retardant to obtain engineering
Plastic plate D5.
Test case
Tensile strength parameter is measured by GB1040-2006 method, and elongation at break parameter is to pass through GB1040-
2006 method measures, and fire resistance passes through GB/T2406.2-2009《Plastics determine burning behavior with oxygen index method》Method
Measure.
Table 1
| Embodiment is numbered | Tensile strength (Mpa) | Elongation at break (%) | Oxygen index (OI) |
| Embodiment 1 | 16.7 | 251 | 55 |
| Embodiment 2 | 16.2 | 253 | 56 |
| Embodiment 3 | 16.1 | 242 | 54 |
| Embodiment 4 | 15.1 | 225 | 42 |
| Embodiment 5 | 14.4 | 212 | 49 |
| Embodiment 6 | 12.5 | 185 | 32 |
| Embodiment 7 | 11.3 | 172 | 31 |
| Comparative example 1 | 11.8 | 175 | 36 |
| Comparative example 2 | 11.2 | 175 | 24 |
| Comparative example 3 | 9.6 | 168 | 23 |
| Comparative example 4 | 9.8 | 169 | 22 |
| Comparative example 5 | 9.7 | 171 | 24 |
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of preparation method of engineering flame retardant plastic flitch, it is characterised in that the preparation method includes：
(1) montmorillonite and APP solution are mixed, 1-2 hours is reacted at 70-80 DEG C, modified cover is obtained after filtering and is taken off
Soil；
(2) by modified montmorillonoid, phenolic resin, polystyrene, makrolon, Corvic, organic silicon fibre retardant, filling
Agent, lubricant and plasticizer mixing, obtain mixture M；
(3) mixture M is added in double screw extruder, extruded, shaping obtains engineering flame retardant plastic flitch；Wherein, extrusion
Condition includes：The rotating speed of screw rod is 200-300 revs/min, and the temperature of feeding section is 200-210 DEG C, the temperature of fusion plastification section
For 240-250 DEG C, the temperature for mixing homogenizing zone is 210-220 DEG C, and the temperature of melt conveying metering section is 180-200 DEG C.
2. preparation method according to claim 1, wherein, relative to the phenolic resin of 100 parts by weight, modified montmorillonoid
Dosage is 2-8 parts by weight, and the dosage of polystyrene is 20-30 parts by weight, and the dosage of makrolon is 25-45 parts by weight, polychlorostyrene
The dosage of vinyl is 40-80 parts by weight, and the dosage of organic silicon fibre retardant is 2-10 parts by weight, and the dosage of filler is 2-7
Parts by weight, the dosage of lubricant is 2-7 parts by weight, and the dosage of plasticizer is 2-8 parts by weight.
3. preparation method according to claim 2, wherein, relative to the phenolic resin of 100 parts by weight, modified montmorillonoid
Dosage is 4-6 parts by weight, and the dosage of polystyrene is 24-26 parts by weight, and the dosage of makrolon is 30-40 parts by weight, polychlorostyrene
The dosage of vinyl is 50-70 parts by weight, and the dosage of organic silicon fibre retardant is 4-6 parts by weight, and the dosage of filler is 4-5 weights
Part is measured, the dosage of lubricant is 4-5 parts by weight, and the dosage of plasticizer is 4-6 parts by weight.
4. the preparation method according to Claims 2 or 3, wherein, in step (1), montmorillonite and APP solution are pressed
It is 1 according to mass ratio：20-30 ratios are mixed.
5. preparation method according to claim 4, wherein, the mass concentration of APP solution is 40-60%.
6. the preparation method according to Claims 2 or 3, wherein, filler is selected from calcium carbonate, clay, silicate and talcum
One or more in powder.
7. the preparation method according to Claims 2 or 3, wherein, lubricant is selected from stearic acid, stearate, polystyrene
One or more in wax, paraffin and oleamide.
8. the preparation method according to Claims 2 or 3, wherein, plasticizer is selected from phthalate compound, to benzene
One or more in diformic ester compound and trimellitic acid esters compound.
9. the preparation method according to Claims 2 or 3, wherein, the weight average molecular weight of polystyrene is 5000-8000, is gathered
The weight average molecular weight of carbonic ester is 9000-12000.
10. a kind of engineering flame retardant plastic flitch, it is characterised in that the engineering flame retardant plastic flitch is by any one in claim 1-9
Preparation method described in is made.
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
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| CN114393859A (en) * | 2022-01-20 | 2022-04-26 | 山西实鼎科技发展有限公司 | Preparation method of high-molecular modified plastic plate |
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