CN107556726A - Flame retardant plastics based on nano imvite and preparation method thereof - Google Patents
Flame retardant plastics based on nano imvite and preparation method thereof Download PDFInfo
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- CN107556726A CN107556726A CN201710722100.9A CN201710722100A CN107556726A CN 107556726 A CN107556726 A CN 107556726A CN 201710722100 A CN201710722100 A CN 201710722100A CN 107556726 A CN107556726 A CN 107556726A
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Abstract
The invention discloses a kind of flame retardant plastics based on nano imvite 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, PC resin, polyvinyl chloride, makrolon, MBS resins, 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;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 flame retardant plastics and its system based on nano imvite
Preparation Method.
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 on the premise of the excellent mechanical property of plastics is ensured, effectively improve plastic material flame retardant based on
The problem of flame retardant plastics of nano imvite 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 flame retardant plastics based on nano imvite and preparation method thereof, solve existing
Flame retardant plastics be 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 the flame retardant plastics based on nano imvite,
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, PC resin, polyvinyl chloride, makrolon, MBS resins, organic silicon fibre retardant, filler,
Lubricant and plasticizer mixing, obtain mixture M;
(3) mixture M is added in double screw extruder, flame retardant plastics is obtained after extruded;Wherein, the condition bag of extrusion
Include:The rotating speed of screw rod is 200-300 revs/min, and the temperature of feeding section is 200-210 DEG C, and the temperature of fusion plastification section is 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.
Present invention also offers a kind of flame retardant plastics based on nano imvite, the flame retardant plastic based on nano imvite
Material is made by above-mentioned preparation method.
Pass through above-mentioned technical proposal, the invention provides a kind of based on the flame retardant plastics of nano imvite and its preparation side
Method, the preparation method include:Montmorillonite and APP solution are mixed, 1-2 hours are reacted at 70-80 DEG C, after filtering
Obtain modified montmorillonoid;By modified montmorillonoid, PC resin, polyvinyl chloride, makrolon, MBS resins, organic silicon fibre retardant, fill out
Agent, lubricant and plasticizer mixing are filled, obtains mixture M;Mixture M is added in double screw extruder, obtained after extruded
Flame retardant plastics;Pass through the synergy between each raw material so that obtained flame retardant plastics be provided simultaneously with excellent mechanical 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 the flame retardant plastics based on nano imvite, 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, PC resin, polyvinyl chloride, makrolon, MBS resins, organic silicon fibre retardant, filler,
Lubricant and plasticizer mixing, obtain mixture M;
(3) mixture M is added in double screw extruder, flame retardant plastics is obtained after extruded;Wherein, the condition bag of extrusion
Include:The rotating speed of screw rod is 200-300 revs/min, and the temperature of feeding section is 200-210 DEG C, and the temperature of fusion plastification section is 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.
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 PC resin of 100 parts by weight, the dosage of modified montmorillonoid is 2-8 parts by weight, and the dosage of polyvinyl chloride is
20-30 parts by weight, the dosage of makrolon are 25-45 parts by weight, and the dosages of MBS resins is 40-80 parts by weight, organic silicon flame-retardant
The dosage of agent 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, plasticizer
Dosage 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 PC resin of 100 parts by weight, the dosage of modified montmorillonoid is 4-6 parts by weight, and the dosage of polyvinyl chloride is
24-26 parts by weight, the dosage of makrolon are 30-40 parts by weight, and the dosages of MBS resins is 50-70 parts by weight, organic silicon flame-retardant
The dosage of agent 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, plasticizer
Dosage 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, polyvinyl chloride 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 polyvinyl chloride is 5000-8000, and the weight average molecular weight of makrolon is 9000-12000.
Present invention also offers a kind of flame retardant plastics based on nano imvite, the flame retardant plastic based on nano imvite
Material is made by above-mentioned preparation method.
The present invention will be described in detail by way of examples below.In following examples, the Weight-average molecular of polyvinyl chloride
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, 100gPC resins, 24g polyvinyl chloride, 30g makrolon, 50gMBS resins, 4g organic silicon fibre retardants, 4g calcium carbonate, 4g are hard
Resin acid and the mixing of 4g phthalate compounds, obtain mixture M;Mixture M is added in double screw extruder, through squeezing
Flame retardant plastics A1 is obtained after going out;Wherein, the condition of extrusion includes:The rotating speed of screw rod is 200 revs/min, and the temperature of feeding section is
200 DEG C, the temperature of fusion plastification section is 240 DEG C, and the temperature for mixing homogenizing zone is 210 DEG C, and the temperature of melt conveying metering section is
180℃。
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, 100gPC resins, 26g polyvinyl chloride, 40g makrolon, 70gMBS resins, 6g organic silicon fibre retardants, 5g silicate (silicic acid
Sodium), 5g polyvinyl chloride wax and 6g terephthalic acid esters compound mixing, obtain mixture M;Mixture M is added into twin-screw
In extruder, flame retardant plastics A2 is obtained after extruded;Wherein, the condition of extrusion includes:The rotating speed of screw rod is 300 revs/min, is added
The temperature for expecting 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 meter
The temperature for measuring 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, 100gPC resins, 25g polyvinyl chloride, 35g makrolon, 60gMBS resins, 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 double screw extruder
In, flame retardant plastics A3 is obtained after extruded;Wherein, the condition of extrusion includes:The rotating speed of screw rod is 250 revs/min, feeding section
Temperature 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 section
Temperature is 190 DEG C.
Embodiment 4
It is prepared by the method according to embodiment 3, unlike, relative to 100g PC resin, the use of modified montmorillonoid
Measure as 2g, the dosage of polyvinyl chloride is 20g, and the dosage of makrolon is 25g, and the dosages of MBS resins is 40g, organic silicon flame-retardant
The dosage of agent is 2g, and the dosage of filler is 2g, and the dosage of lubricant is 2g, and the dosage of plasticizer is 2g, obtains flame retardant plastics
A4。
Embodiment 5
It is prepared by the method according to embodiment 3, unlike, relative to 100g PC resin, the use of modified montmorillonoid
Measure as 8g, the dosage of polyvinyl chloride is 30g, and the dosage of makrolon is 45g, and the dosages of MBS resins is 80g, organic silicon flame-retardant
The dosage of agent is 10g, and the dosage of filler is 7g, and the dosage of lubricant is 7g, and the dosage of plasticizer is 8g, obtains flame retardant plastics
A5。
Embodiment 6
It is prepared by the method according to embodiment 3, unlike, relative to 100g PC resin, the use of modified montmorillonoid
Measure as 1g, the dosage of polyvinyl chloride is 15g, and the dosage of makrolon is 20g, and the dosages of MBS resins is 35g, organic silicon flame-retardant
The dosage of agent is 1g, and the dosage of filler is 1g, and the dosage of lubricant is 1g, and the dosage of plasticizer is 1g, obtains flame retardant plastics
A6。
Embodiment 7
It is prepared by the method according to embodiment 3, unlike, relative to 100g PC resin, the use of modified montmorillonoid
Measure as 10g, the dosage of polyvinyl chloride is 35g, and the dosage of makrolon is 50g, and the dosages of MBS resins is 85g, organic silicon flame-retardant
The dosage of agent is 15g, and the dosage of filler is 10g, and the dosage of lubricant is 10g, and the dosage of plasticizer is 10g, is obtained fire-retardant
Plastics A7.
Comparative example 1
It is prepared by the method according to embodiment 3, unlike, the condition of extrusion includes:The rotating speed of screw rod be 150 turns/
Minute, 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, melt
The temperature for conveying metering section is 150 DEG C, obtains flame retardant plastics D1.
Comparative example 2
It is prepared by the method according to embodiment 3, unlike, the condition of extrusion includes:The rotating speed of screw rod be 350 turns/
Minute, 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, melt
The temperature for conveying metering section is 220 DEG C, obtains flame retardant plastics D2.
Comparative example 3
It is prepared by the method according to embodiment 3, unlike, PC resin is not included in raw material, obtains flame retardant plastics D3.
Comparative example 4
It is prepared by the method according to embodiment 3, unlike, polyvinyl chloride is not included in raw material, obtains flame retardant plastics
D4。
Comparative example 5
It is prepared by the method according to embodiment 3, unlike, makrolon is not included in raw material, obtains flame retardant plastics
D5。
Comparative example 6
It is prepared by the method according to embodiment 3, unlike, MBS resins are not included in raw material, obtain flame retardant plastics
D6。
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 | 16.5 | 258 | 55 |
Embodiment 2 | 16.8 | 259 | 56 |
Embodiment 3 | 16.7 | 249 | 55 |
Embodiment 4 | 15.2 | 223 | 47 |
Embodiment 5 | 14.9 | 216 | 49 |
Embodiment 6 | 14.2 | 195 | 42 |
Embodiment 7 | 14.3 | 199 | 42 |
Comparative example 1 | 10.8 | 178 | 36 |
Comparative example 2 | 11.2 | 172 | 29 |
Comparative example 3 | 11.2 | 172 | 28 |
Comparative example 4 | 10.6 | 181 | 29 |
Comparative example 5 | 10.3 | 173 | 27 |
Comparative example 6 | 10.2 | 169 | 26 |
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 the flame retardant plastics based on nano imvite, 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, PC resin, polyvinyl chloride, makrolon, MBS resins, organic silicon fibre retardant, filler, lubrication
Agent and plasticizer mixing, obtain mixture M;
(3) mixture M is added in double screw extruder, flame retardant plastics is obtained after extruded;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, and the temperature of fusion plastification section is 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 PC resin of 100 parts by weight, the use of modified montmorillonoid
Measure as 2-8 parts by weight, the dosage of polyvinyl chloride is 20-30 parts by weight, and the dosage of makrolon is 25-45 parts by weight, MBS resins
Dosage be 40-80 parts by weight, the dosage of organic silicon fibre retardant is 2-10 parts by weight, and the dosage of filler is 2-7 parts by weight, profit
The dosage of lubrication prescription 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 PC resin of 100 parts by weight, the use of modified montmorillonoid
Measure as 4-6 parts by weight, the dosage of polyvinyl chloride is 24-26 parts by weight, and the dosage of makrolon is 30-40 parts by weight, MBS resins
Dosage be 50-70 parts by weight, the dosage of organic silicon fibre retardant is 4-6 parts by weight, and the dosage of filler is 4-5 parts by weight, profit
The dosage of lubrication prescription 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, polyvinyl chloride
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 polyvinyl chloride is 5000-8000, is gathered
The weight average molecular weight of carbonic ester is 9000-12000.
A kind of 10. flame retardant plastics based on nano imvite, it is characterised in that it is described based on the flame retardant plastics of nano imvite by
Preparation method in claim 1-9 described in any one is made.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108727637A (en) * | 2018-05-23 | 2018-11-02 | 芜湖航天特种电缆厂股份有限公司 | Cable nontoxic fire-retardant combination and preparation method thereof |
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CN102532763A (en) * | 2011-12-27 | 2012-07-04 | 江苏德威新材料股份有限公司 | Chlorinated polrvinyl chloride modified material as well as preparation method and application thereof |
CN103113677A (en) * | 2013-03-18 | 2013-05-22 | 安徽国风木塑科技有限公司 | Halogen-free flame-retardant anti-mildew composite and preparation method thereof |
CN103483734A (en) * | 2013-09-22 | 2014-01-01 | 苏州市湘园特种精细化工有限公司 | Polyvinyl chloride plastic with high fire resistance |
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2017
- 2017-08-22 CN CN201710722100.9A patent/CN107556726A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102532763A (en) * | 2011-12-27 | 2012-07-04 | 江苏德威新材料股份有限公司 | Chlorinated polrvinyl chloride modified material as well as preparation method and application thereof |
CN103113677A (en) * | 2013-03-18 | 2013-05-22 | 安徽国风木塑科技有限公司 | Halogen-free flame-retardant anti-mildew composite and preparation method thereof |
CN103483734A (en) * | 2013-09-22 | 2014-01-01 | 苏州市湘园特种精细化工有限公司 | Polyvinyl chloride plastic with high fire resistance |
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CN108727637A (en) * | 2018-05-23 | 2018-11-02 | 芜湖航天特种电缆厂股份有限公司 | Cable nontoxic fire-retardant combination and preparation method thereof |
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