CN108587059A - Aobvious shell of high-strength V R and preparation method thereof - Google Patents
Aobvious shell of high-strength V R and preparation method thereof Download PDFInfo
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- CN108587059A CN108587059A CN201810354150.0A CN201810354150A CN108587059A CN 108587059 A CN108587059 A CN 108587059A CN 201810354150 A CN201810354150 A CN 201810354150A CN 108587059 A CN108587059 A CN 108587059A
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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
- C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08L61/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08L61/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
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Abstract
The invention discloses a kind of aobvious shells of high-strength V R and preparation method thereof, and the preparation method includes：Diatomite and ammonium polyphosphate solution are mixed, is reacted 12 hours at 70 80 DEG C, modification infusorial earth is obtained after filtering；Modification infusorial earth, Lauxite, polyethylene, glass fibre, melamine resin, zinc stearate, filler, lubricant and plasticizer are mixed, mixture M is obtained；Mixture M is added twin-screw extrude, the aobvious shell of high-strength V R is obtained after extruded, molding；Solve the problems, such as that the aobvious shell of existing high-strength V R is difficult to ensure superior mechanical property and flame retardant property simultaneously.
Description
Technical field
The present invention relates to VR manufacturing field of equipment, and in particular, to a kind of aobvious shell of high-strength V R and preparation method thereof.
Background technology
Since 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
Arrived the every field of national economy, such as appliance cord, construction material, aerospace parts be required to it is fire-retardant.Universal raising modeling
Expect that the method for anti-flammability is that fire retardant is added in plastic raw materials, contain halogen in the fire retardant of plurality, when burning releases
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 when 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 craftsmanship is deteriorated.
Therefore it provides it is a kind of under the premise of guarantee plastics excellent mechanical property, effectively improve the high-strength of plastic material flame retardant
Spend the problem of VR aobvious shell and preparation method thereof is urgent need to resolve of the present invention.
Invention content
The object of the present invention is to provide a kind of aobvious shells of high-strength V R and preparation method thereof, solve existing VR and show
Shell is difficult the problem of ensureing superior mechanical property and flame retardant property simultaneously.
To achieve the goals above, the present invention provides a kind of preparation method of the aobvious shell of high-strength V R, the preparations
Method includes：
(1) diatomite and ammonium polyphosphate solution are mixed, is reacted 1-2 hours at 70-80 DEG C, modified silicon is obtained after filtering
Diatomaceous earth；
(2) by modification infusorial earth, Lauxite, polyethylene, glass fibre, melamine resin, zinc stearate, fill out
Agent, lubricant and plasticizer mixing are filled, mixture M is obtained；
(3) mixture M is added twin-screw extrude, the aobvious shell of high-strength V R is obtained after extruded, molding；Its
In, 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
The temperature of section is 240-250 DEG C, and the temperature for mixing homogenizing zone is 210-220 DEG C, and the temperature of melt conveying metering section is 180-200
℃。
The present invention also provides a kind of aobvious shells of high-strength V R, and the aobvious shell of high-strength V R is by above-mentioned preparation side
Method is made.
Through the above technical solutions, the present invention provides a kind of aobvious shell of high-strength V R and preparation method thereof, the system
Preparation Method includes：Diatomite and ammonium polyphosphate solution are mixed, is reacted 1-2 hours at 70-80 DEG C, modified silicon is obtained after filtering
Diatomaceous earth；By modification infusorial earth, Lauxite, polyethylene, glass fibre, melamine resin, zinc stearate, filler,
Lubricant and plasticizer mixing, obtain mixture M；Mixture M is added twin-screw extrude, is obtained after extruded, molding
The aobvious shell of high-strength V R；Pass through the synergistic effect between each raw material so that flame retardant plastics obtained is provided simultaneously with excellent machine
Tool performance and flame retardant property, meanwhile, the method that is used to prepare 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.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
The present invention provides a kind of preparation method of the aobvious shell of high-strength V R, the preparation method includes：
(1) diatomite and ammonium polyphosphate solution are mixed, is reacted 1-2 hours at 70-80 DEG C, modified silicon is obtained after filtering
Diatomaceous earth；
(2) by modification infusorial earth, Lauxite, polyethylene, glass fibre, melamine resin, zinc stearate, fill out
Agent, lubricant and plasticizer mixing are filled, mixture M is obtained；
(3) mixture M is added twin-screw extrude, the aobvious shell of high-strength V R is obtained after extruded, molding；Its
In, 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
The temperature of section is 240-250 DEG C, and the temperature for mixing homogenizing zone is 210-220 DEG C, and the temperature of melt conveying metering section is 180-200
℃。
In a kind of preferred embodiment of the present invention, in order to further increase mechanical property and the resistance of plastics obtained
Performance is fired, relative to the Lauxite of 100 parts by weight, the dosage of modification infusorial earth is 2-8 parts by weight, and the dosage of polyethylene is
The dosage of 20-30 parts by weight, glass fibre is 25-45 parts by weight, and the dosage of melamine resin is 40-80 parts by weight,
The dosage of zinc stearate 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 increase mechanical property and the resistance of plastics obtained
Performance is fired, relative to the Lauxite of 100 parts by weight, the dosage of modification infusorial earth is 4-6 parts by weight, and the dosage of polyethylene is
The dosage of 24-26 parts by weight, glass fibre is 30-40 parts by weight, and the dosage of melamine resin is 50-70 parts by weight,
The dosage of zinc stearate 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 increase mechanical property and the resistance of plastics obtained
Performance is fired, in step (1), diatomite and ammonium polyphosphate 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 increase mechanical property and the resistance of plastics obtained
Performance is fired, the mass concentration of ammonium polyphosphate solution is 40-60%.
In a kind of preferred embodiment of the present invention, in order to further increase mechanical property and the resistance of plastics obtained
Performance is fired, filler is one or more in calcium carbonate, clay, silicate and talcum powder.
In a kind of preferred embodiment of the present invention, in order to further increase mechanical property and the resistance of plastics obtained
Performance is fired, lubricant is one or more in stearic acid, stearate, polyethylene wax, paraffin and oleamide.
In a kind of preferred embodiment of the present invention, in order to further increase mechanical property and the resistance of plastics obtained
Performance is fired, plasticizer is selected from phthalate compound, terephthalic acid ester compound and trimellitic acid esters chemical combination
It is one or more in object.
In a kind of preferred embodiment of the present invention, in order to further increase mechanical property and the resistance of plastics obtained
Performance is fired, the weight average molecular weight of polyethylene is 5000-8000, and the weight average molecular weight of melamine resin is 9000-
12000, the weight average molecular weight of Lauxite is 5000-6000.
The present invention also provides a kind of aobvious shells of high-strength V R, and the aobvious shell of high-strength V R is by above-mentioned preparation side
Method is made.
The present invention will be described in detail by way of examples below.In following embodiment, the weight average molecular weight of polyethylene
Weight average molecular weight for 5000-8000, melamine resin is 9000-12000, and the weight average molecular weight of Lauxite is
5000-6000；The commercially available product that organic silicon fibre retardant is KR-2710 by the trade mark that Shanghai Guang Bin trade Co., Ltds provide.Below
Tensile strength parameter is measured by the method for GB1040-2006, and elongation at break parameter is the method by GB1040-2006
It measures, flame retardant property passes through GB/T2406.2-2009《Plastics measure burning behavior with oxygen index method》Method measure.
Embodiment 1
It (is 1 according to mass ratio that 10g diatomite and ammonium polyphosphate 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, modification infusorial earth is obtained after filtering；4g is modified diatom
Soil, 100g Lauxites, 24g polyethylene, 30g glass fibres, 50g melamine resins, 4g zinc stearates, 4g carbonic acid
Calcium, 4g stearic acid and the mixing of 4g phthalate compounds, obtain mixture M；Double screw extruder is added in mixture M
In, after extruded, molding (being molded by the way of hot-forming, and the temperature of hot pressing is 40 DEG C, the pressure of hot pressing is 30MPa)
Obtain the aobvious shell A1 of high-strength V R；Wherein, the condition of extrusion includes：The rotating speed of screw rod is 200 revs/min, the temperature of feeding section
Degree is 200 DEG C, and 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
Degree is 180 DEG C.The tensile strength of the aobvious shell A1 of high-strength V R is 16.5Mpa, elongation at break 248%, oxygen index (OI) 54.
Embodiment 2
It (is 1 according to mass ratio that 10g diatomite and ammonium polyphosphate 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, modification infusorial earth is obtained after filtering；6g is modified diatom
Soil, 100g Lauxites, 26g polyethylene, 40g glass fibres, 70g melamine resins, 6g zinc stearates, 5g silicates
(sodium metasilicate), 5g polyethylene waxes and the mixing of 6g terephthalic acid ester compounds, obtain mixture M；Double spiral shells are added in mixture M
In bar extruder, extruded, molding (is molded by the way of hot-forming, and the temperature of hot pressing is 40 DEG C, the pressure of hot pressing is
The aobvious shell A2 of high-strength V R is obtained after 30MPa)；Wherein, the condition of extrusion includes：The rotating speed of screw rod is 300 revs/min, is added
Expect that the temperature of section is 210 DEG C, 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.The tensile strength of the aobvious shell A2 of high-strength V R is 16.2Mpa, elongation at break 243%, oxygen
Index is 55.
Embodiment 3
It (is 1 according to mass ratio that 10g diatomite and ammonium polyphosphate 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, modification infusorial earth is obtained after filtering；By 5g modified silicons
Diatomaceous earth, 100g Lauxites, 25g polyethylene, 35g glass fibres, 60g melamine resins, 5g zinc stearates, 4.5g are slided
Mountain flour, 4.5g oleamides and the mixing of 5g trimellitic acid esters compounds, obtain mixture M；Mixture M addition twin-screw is squeezed
Go out in machine, extruded, molding (is molded by the way of hot-forming, and the temperature of hot pressing is 40 DEG C, the pressure of hot pressing is
The aobvious shell A3 of high-strength V R is obtained after 30MPa)；Wherein, the condition of extrusion includes：The rotating speed of screw rod is 250 revs/min, is added
Expect that the temperature of section is 205 DEG C, the temperature of fusion plastification section is 245 DEG C, and the temperature for mixing homogenizing zone is 215 DEG C, melt conveying meter
The temperature for measuring section is 190 DEG C.The tensile strength of the aobvious shell A3 of high-strength V R is 16.1Mpa, elongation at break 241%, oxygen
Index is 56.
Embodiment 4
It is prepared according to the method for embodiment 3, unlike, relative to the Lauxite of 100g, modification infusorial earth
Dosage is 2g, and the dosage of polyethylene is 20g, and the dosage of glass fibre is 25g, and the dosage of melamine resin is 40g, firmly
The dosage of resin acid zinc is 2g, and the dosage of filler is 2g, and the dosage of lubricant is 2g, and the dosage of plasticizer is 2g, is obtained high-strength
Spend VR aobvious shell A4.The tensile strength of the aobvious shell A4 of high-strength V R is 17.2Mpa, elongation at break 249%, oxygen index (OI)
It is 53.
Embodiment 5
It is prepared according to the method for embodiment 3, unlike, relative to the Lauxite of 100g, modification infusorial earth
Dosage is 8g, and the dosage of polyethylene is 30g, and the dosage of glass fibre is 45g, and the dosage of melamine resin is 80g, firmly
The dosage of resin acid zinc is 10g, and the dosage of filler is 7g, and the dosage of lubricant is 7g, and the dosage of plasticizer is 8g, is obtained high-strength
Spend VR aobvious shell A5.The tensile strength of the aobvious shell A5 of high-strength V R is 17.5Mpa, elongation at break 239%, oxygen index (OI)
It is 52.
Embodiment 6
It is prepared according to the method for embodiment 3, unlike, relative to the Lauxite of 100g, modification infusorial earth
Dosage is 1g, and the dosage of polyethylene is 15g, and the dosage of glass fibre is 20g, and the dosage of melamine resin is 35g, firmly
The dosage of resin acid zinc is 1g, and the dosage of filler is 1g, and the dosage of lubricant is 1g, and the dosage of plasticizer is 1g, is obtained high-strength
Spend VR aobvious shell A6.The tensile strength of the aobvious shell A6 of high-strength V R is 17.1Mpa, elongation at break 248%, oxygen index (OI)
It is 54.
Embodiment 7
It is prepared according to the method for embodiment 3, unlike, relative to the Lauxite of 100g, modification infusorial earth
Dosage is 10g, and the dosage of polyethylene is 35g, and the dosage of glass fibre is 50g, and the dosage of melamine resin is 85g,
The dosage of zinc stearate 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
To R aobvious shell A7 of high-strength V.The tensile strength of the aobvious shell A7 of high-strength V R be 17.2Mpa, elongation at break 243%,
Oxygen index (OI) is 55.
Comparative example 1
It is prepared according to the method for 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 the aobvious shell D1 of high-strength V R.The stretching of the aobvious shell D1 of high-strength V R is strong
Degree is 11.2Mpa, elongation at break 148%, oxygen index (OI) 34.
Comparative example 2
It is prepared according to the method for 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 the aobvious shell D2 of high-strength V R.The stretching of the aobvious shell D2 of high-strength V R is strong
Degree is 12.1Mpa, elongation at break 138%, oxygen index (OI) 29.
Comparative example 3
It is prepared according to the method for embodiment 3, unlike, do not include polyethylene in raw material, obtains high-strength V R heads
Aobvious shell D3.The tensile strength of the aobvious shell D3 of high-strength V R is 11.5Mpa, elongation at break 123%, oxygen index (OI) 24.
Comparative example 4
It is prepared according to the method for embodiment 3, unlike, do not include glass fibre in raw material, obtains high-strength V R
Aobvious shell D4.The tensile strength of the aobvious shell D4 of high-strength V R is 13.1Mpa, and elongation at break 158%, oxygen index (OI) is
31。
Comparative example 5
It is prepared according to the method for embodiment 3, unlike, do not include melamine resin in raw material, obtains
The aobvious shell D5 of high-strength V R.The tensile strength of the aobvious shell D5 of high-strength V R is 12.3Mpa, elongation at break 138%, oxygen
Index is 27.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail can carry out a variety of simple variants to technical scheme of the present invention within the scope of the technical concept of the present invention, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, 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 also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of preparation method of the aobvious shell of high-strength V R, which is characterized in that the preparation method includes：
(1) diatomite and ammonium polyphosphate solution are mixed, is reacted 1-2 hours at 70-80 DEG C, modified diatom is obtained after filtering
Soil；
(2) by modification infusorial earth, Lauxite, polyethylene, glass fibre, melamine resin, zinc stearate, filling
Agent, lubricant and plasticizer mixing, obtain mixture M；
(3) mixture M is added twin-screw extrude, the aobvious shell of high-strength V R is obtained after extruded, molding；Wherein, it squeezes
The condition gone out 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 is 240-250 DEG C, and 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 Lauxite of 100 parts by weight, modification infusorial earth
Dosage is 2-8 parts by weight, and the dosage of polyethylene is 20-30 parts by weight, and the dosage of glass fibre is 25-45 parts by weight, melamine
The dosage of amine-formaldehyde resins is 40-80 parts by weight, and the dosage of zinc stearate is 2-10 parts by weight, and the dosage of filler is 2-7 weights
Part is measured, 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 Lauxite of 100 parts by weight, modification infusorial earth
Dosage is 4-6 parts by weight, and the dosage of polyethylene is 24-26 parts by weight, and the dosage of glass fibre is 30-40 parts by weight, melamine
The dosage of amine-formaldehyde resins is 50-70 parts by weight, and the dosage of zinc stearate is 4-6 parts by weight, and the dosage of filler is 4-5 weight
Part, the dosage of lubricant is 4-5 parts by weight, and the dosage of plasticizer is 4-6 parts by weight.
4. preparation method according to claim 2 or 3, wherein in step (1), diatomite and ammonium polyphosphate 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 ammonium polyphosphate solution is 40-60%.
6. preparation method according to claim 2 or 3, wherein filler is selected from calcium carbonate, clay, silicate and talcum
It is one or more in powder.
7. preparation method according to claim 2 or 3, wherein lubricant be selected from stearic acid, stearate, polyethylene wax,
It is one or more in paraffin and oleamide.
8. preparation method according to claim 2 or 3, wherein plasticizer is selected from phthalate compound, to benzene
It is one or more in diformic ester compound and trimellitic acid esters compound.
9. preparation method according to claim 2 or 3, wherein the weight average molecular weight of polyethylene is 5000-8000, trimerization
The weight average molecular weight of cyanamide formaldehyde resin is 9000-12000, and the weight average molecular weight of Lauxite is 5000-6000.
10. a kind of aobvious shell of high-strength V R, which is characterized in that the aobvious shell of high-strength V R in claim 1-9 by appointing
Preparation method described in meaning one is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810354150.0A CN108587059A (en) | 2018-04-19 | 2018-04-19 | Aobvious shell of high-strength V R and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810354150.0A CN108587059A (en) | 2018-04-19 | 2018-04-19 | Aobvious shell of high-strength V R and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108587059A true CN108587059A (en) | 2018-09-28 |
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| CN201810354150.0A Withdrawn CN108587059A (en) | 2018-04-19 | 2018-04-19 | Aobvious shell of high-strength V R and preparation method thereof |
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| Country | Link |
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2018
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