CN108610554A - Halogen-free flame-retardant PP-GF20 composite material and preparation method thereof - Google Patents
Halogen-free flame-retardant PP-GF20 composite material and preparation method thereof Download PDFInfo
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- 229920006951 PP-GF20 Polymers 0.000 title claims abstract description 67
- 239000002131 composite material Substances 0.000 title claims abstract description 59
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 239000003063 flame retardant Substances 0.000 title abstract description 19
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 32
- 239000002023 wood Substances 0.000 claims abstract description 26
- 229920000570 polyether Polymers 0.000 claims abstract description 25
- 239000012745 toughening agent Substances 0.000 claims abstract description 18
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 15
- 239000004014 plasticizer Substances 0.000 claims abstract description 15
- 239000004609 Impact Modifier Substances 0.000 claims abstract description 14
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 23
- 230000000979 retarding effect Effects 0.000 claims description 22
- 230000002745 absorbent Effects 0.000 claims description 18
- 239000002250 absorbent Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 18
- 239000003054 catalyst Substances 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 230000003647 oxidation Effects 0.000 claims description 9
- 238000007254 oxidation reaction Methods 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000004115 Sodium Silicate Substances 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 8
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 238000007146 photocatalysis Methods 0.000 claims description 7
- 230000001699 photocatalysis Effects 0.000 claims description 7
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 239000008240 homogeneous mixture Substances 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- 239000012047 saturated solution Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 235000012424 soybean oil Nutrition 0.000 claims description 3
- 239000003549 soybean oil Substances 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 16
- 238000009776 industrial production Methods 0.000 abstract 2
- 238000012360 testing method Methods 0.000 description 24
- 239000000243 solution Substances 0.000 description 7
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- 239000012855 volatile organic compound Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910001506 inorganic fluoride Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000010875 treated wood Substances 0.000 description 3
- 229920007019 PC/ABS Polymers 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000000051 modifying effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 231100000045 chemical toxicity Toxicity 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001965 increasing effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 208000007578 phototoxic dermatitis Diseases 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H8/00—Macromolecular compounds derived from lignocellulosic materials
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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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
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a halogen-free flame-retardant PP-GF20 composite material and a preparation method thereof, wherein the halogen-free flame-retardant PP-GF20 composite material comprises the following components in parts by weight: 60-80 parts of PP-GF20, 30-40 parts of wood powder, 10-20 parts of flame retardant polyether, 10-15 parts of impact modifier, 5-7 parts of toughening agent, 2-5 parts of plasticizer and 3-6 parts of black master batch. The halogen-free flame-retardant PP-GF20 composite material prepared by the invention has excellent physical and mechanical properties and good flame-retardant property, and can achieve the V0-grade fireproof flame-retardant effect; and the preparation process is simple, is easy to carry out industrial production, and has high industrial production value and industrial development prospect.
Description
Technical field
The present invention relates to technical field of polymer materials, more particularly to a kind of halogen-free flameproof PP-GF20 is compound
Material and preparation method thereof.
Background technology
As a kind of general-purpose plastics, polypropylene（PP）Light-weight, excellent combination property, simple production process and application are wide
It is general, it has become at present in general-purpose plastics using one of fastest-rising plastics.Although polypropylene have the advantages that it is very much, due to it
Oxygen index (OI) is low and inflammable, it is made to be had been more limited in the application of electronics, electric appliance and automotive field.In recent years, country gets over
More pay attention to flame retardant of plastic problem, especially the plastic fittings used in household electrical appliance, aviation, automobile and other industries is all proposed
Different degrees of flame-retardancy requirements.
In addition, polypropylene also have molding shrinkage it is larger, it is fragile under low temperature split, wearability is insufficient, heat distortion temperature is not high, resistance to
The defects of photosensitiveness is poor.
Therefore it provides one kind is had excellent performance, and it is this that flame retardant rating, which reaches V0 grades of halogen-free flameproof PP-GF20 composite materials,
The problem of field technology personnel's urgent need to resolve.
Invention content
In view of this, the present invention provides a kind of halogen-free flameproof PP-GF20 composite material and preparation methods, the preparation side
Method is not only simple for process, easily carries out industrialized production, and the halogen-free flameproof PP-GF20 composite materials tool prepared through the invention
There is excellent physical mechanical property, and there is good flame retardant property, V0 grades of fireproof flame-retardant effects can be reached.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of halogen-free flameproof PP-GF20 composite materials, are counted in parts by weight, including following component：60-80 parts of PP-GF20,30-
40 parts of wood powders, 10-20 parts of flame retarding polyethers, 10-15 parts of impact modifiers, 5-7 parts of toughener, 2-5 parts of plasticizer, 3-6 parts of black
It is female.
The advantageous effect of above-mentioned technical proposal is：A kind of halogen-free flameproof PP-GF20 composite materials are provided, are not only had excellent
Different physical mechanical property, and there is good flame retardant property.By by flame retarding polyether and PP-GF20 blending and modifyings so that
Composite material has excellent flame retardant property, so as to meet the requirement of safe handling；Also, by by toughener, anti-impact
Modifying agent is mixed with PP-GF20 so that composite material has the physical mechanical properties such as excellent toughness, intensity, to more
Add excellent application prospect.
Preferably, the wood powder is oxidation-treated wood powder, and specific oxidation processes mode is：Wood powder is passed through into 260-
After 300 DEG C are toasted 10-15 minutes, with 1.5-2:The solid-to-liquid ratio of 0.8-1.5, which is added in sodium metasilicate saturated solution, impregnates 30-40 hours
The dries pulverizing in nitrogen environment again afterwards.
The advantageous effect of above-mentioned preferred embodiment is：Wood powder is impregnated with sodium metasilicate, alkalinity, solubilized part fruit is presented in sodium metasilicate
The low molecules such as glue, lignin and hemicellulose impurity and the chemical constitution for not changing cellulose make fiber rotation angle reduce, point
Son, which is orientated, to be improved, and is improved the fracture strength of fiber, and then improve the toughness and breaking resistance of composite material, is made PP-GF20 will not
Its mechanical strength is influenced because adding the flame retardant compositions of a variety of volumes.What is more important, after sodium silicate solution is processed, wood
Powder surface is coated with sodium metasilicate, and the oxygen index (OI) of wood powder is made to improve, effective fire-retardant.
Preferably, the flame retarding polyether is made using following methods：It is 1-2 that mass ratio is added in closed reactor:
0.5-0.8:1.4-2.3:Inorganic fluoride, polyethers, catalyst, the polytetrafluoroethylene (PTFE) of 1.5-3, in non-oxygen condition, temperature is
700-800 DEG C, pressure 70-90Mpa, under ten thousand volts of reaction conditions of voltage 1.5-2.3, it is obtained that reaction 1-3 hour is mixed.
The advantageous effect of above-mentioned preferred embodiment is：With this condition, F ion is half free state, and flame retarding polyether is 450
DEG C of -750 DEG C high temperature discharge a large amount of F ions and are used for capturing pyrolytic active group hydrogen ion, generate stable FH, this reaction one
The straight whole process decomposed with high polymer finishes until decomposing, and effectively reduces the concentration of fuel gas and inhibits to reach
The purpose that open fire generates.
Preferably, the plasticizer is epoxidized soybean oil, RDP, BDP.
Preferably, the toughener is one or more in ethylene propylene diene rubber, SBS, high glue powder, MBS.
Preferably, the halogen-free flameproof PP-GF20 composite materials further include the component of following weight parts：Odour absorbents 2 ~
3 parts, 0.5 ~ 1 part of photochemical catalyst.
The present invention adds odour absorbents and photochemical catalyst in PP-GF20 composite materials.Wherein odour absorbents can
Its VOC amount is reduced to adsorb the volatile organic compounds in PP-GF20 composite materials, reduces smell；And photochemical catalyst
Organic molecule can effectively be catalytically decomposed, reduce VOC amounts.Therefore the present invention is by being used in combination odour absorbents and photocatalysis
Agent, the content of volatile organic compounds is relatively low in obtained PP-GF20 composite materials.
Preferably, the weight ratio of the PP-GF20, odour absorbents and photochemical catalyst is 78:2:1.
Preferably, the odour absorbents are in activated carbon, porous silica, Woelm Alumina, porous molecular screen
It is one or more；The photochemical catalyst is titanium dioxide.
It is another object of the present invention to provide a kind of preparation methods of halogen-free flameproof PP-GF20 composite materials.
To achieve the goals above, technical scheme is as follows：
A kind of preparation method of halogen-free flameproof PP-GF20 composite materials, the method specifically comprise the following steps：
（1）A kind of each raw material of halogen-free flameproof PP-GF20 composite materials of claim 1-8 any one of them is weighed, it is spare；
（2）By the step（1）In weigh wood powder, flame retarding polyether, impact modifier, black masterbatch and odour absorbents, photocatalysis
Agent sequentially adds homogenizer stirring, and time 3-5min obtains uniform mixture；
（3）By the step（1）In the PP-GF20, plasticizer, toughener, the auxiliary agent that weigh be added sequentially to the step（2）In
Continue high-speed stirred in homogeneous mixture obtained, time 10-15min obtains mixed material；
（4）By step（3）Gained mixed material is squeezed out in double screw extruder, obtains PP-GF20 composite material granulars.
Preferably, step（2）High speed blender temperature is controlled at 60 ~ 80 DEG C；The step（3）High speed blender temperature
Degree control is at 100 ~ 140 DEG C.
Preferably, the temperature of the double screw extruder is 170 ~ 210 DEG C, and rotating speed is 80 ~ 120r/min.
The advantageous effect of above-mentioned technical proposal is：Preparation method is simple, can be uniformly mixed raw material so that be prepared
Composite properties it is uniform, have excellent performance.
In summary technical solution, compared with prior art, the beneficial effects of the invention are as follows：The present disclosure provides one
Kind fire retardation PC/ABS composite material not only has excellent physical mechanical property, but also has excellent flame retardant property.Together
When, the invention discloses a kind of preparation methods of fire retardation PC/ABS composite material, and whole preparation process is simple, safe preparation process
Property it is high, do not have chemical toxicity.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of halogen-free flameproof PP-
GF20 composite material and preparation methods, compared with prior art, the invention has the advantages that:
1, the present invention synergistic effect between the two by adding flame retarding polyether, oxidation-treated wood powder so that the PP- of preparation
GF20 composite materials have a good fire protection flame retarding characteristic, flame retardant rating reach V0 grades it is non-ignitable.
2, the present invention is volatilized by the way that odour absorbents and photochemical catalyst are used in combination in obtained PP-GF20 composite materials
Property organic compound content it is relatively low, and reach ROHS require under the premise of, reach the requirement of Halogen again.
3, by mixing toughener, impact modifier with PP-GF20 so that composite material has excellent toughness, strong
The physical mechanical properties such as degree；And by product impact resistance produced by the present invention, it is widely used in the harness isolation board of automobile part,
It can effectively prevent damaging electrical connector because foreign object collides.
4, the PP-GF20 composite materials prepared through the invention have excellent high-temperature stability, and resistance to heat distorsion can
Up to 130 DEG C；The product can protect electrical connector between battery core, can effectively avoid because touch leads to the generation of short circuit phenomenon.
Specific implementation mode
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
The every other embodiment that art personnel are obtained without making creative work belongs to the model that the present invention protects
It encloses.
The embodiment of the invention discloses a kind of halogen-free flameproof PP-GF20 composite material and preparation methods, through the invention
The halogen-free flameproof PP-GF20 composite materials of preparation not only have excellent physical mechanical property, but also have good resistance
Performance is fired, V0 grades of fireproof flame-retardant effects can be reached.
To more fully understand the present invention, further specific elaboration is made to the present invention below by following embodiment, but not
Limitation of the invention is can be regarded as, some are nonessential according to made by foregoing invention content for those skilled in the art
It improves and adjusts, be also considered as being within the scope of the present invention.
The invention discloses a kind of halogen-free flameproof PP-GF20 composite materials, count in parts by weight, including following component：60-
80 parts of PP-GF20,30-40 parts of wood powders, 10-20 parts of flame retarding polyethers, 10-15 parts of impact modifiers, 5-7 parts of toughener, 2-5 parts of increasings
Mould agent, 3-6 parts of black masterbatch, 2-5 parts of plasticizer.
In order to further realize the technique effect of the present invention, the wood powder is oxidation-treated wood powder, at specific oxidation
Reason mode is：By wood powder after 260-300 DEG C is toasted 10-15 minutes, with 1.5-2:Sodium metasilicate is added in the solid-to-liquid ratio of 0.8-1.5
The dries pulverizing in nitrogen environment again after being impregnated 30-40 hours in saturated solution.
In order to further realize the technique effect of the present invention, the flame retarding polyether is made using following methods：Closed anti-
It is 1-2 to answer and mass ratio is added in device:0.5-0.8:1.4-2.3:Inorganic fluoride, polyethers, catalyst, the polytetrafluoroethyl-ne of 1.5-3
Alkene, in non-oxygen condition, temperature is 700-800 DEG C, under ten thousand volts of pressure 70-90Mpa, voltage 1.5-2.3 reaction conditions, and mixing is stirred
Reaction is mixed to be made within 1-3 hours.
In order to further realize the technique effect of the present invention, the plasticizer is epoxidized soybean oil, RDP, BDP.
In order to further realize the present invention technique effect, the toughener be ethylene propylene diene rubber, SBS, high glue powder,
It is one or more in MBS.
Further include the component of following weight parts to further realize the technique effect of the present invention：Odour absorbents 2 ~ 3
Part, 0.5 ~ 1 part of photochemical catalyst.
In order to further realize the present invention technique effect, the PP-GF20, odour absorbents and photochemical catalyst weight
Than being 78:2:1.
In order to further realize the technique effect of the present invention, the odour absorbents are activated carbon, porous silica, more
It is one or more in porous aluminum oxide, porous molecular screen；The photochemical catalyst is titanium dioxide.
The invention also discloses a kind of preparation methods of halogen-free flameproof PP-GF20 composite materials, specifically comprise the following steps：
（1）A kind of each raw material of halogen-free flameproof PP-GF20 composite materials of claim 1-8 any one of them is weighed, it is spare；
（2）By the step（1）In weigh wood powder, flame retarding polyether, impact modifier, black masterbatch and odour absorbents, photocatalysis
Agent sequentially adds homogenizer stirring, and time 3-5min obtains uniform mixture；
（3）By the step（1）In the PP-GF20, plasticizer, toughener, the auxiliary agent that weigh be added sequentially to the step（2）In
Continue high-speed stirred in homogeneous mixture obtained, time 10-15min obtains mixed material；
（4）By step（3）Gained mixed material is squeezed out in double screw extruder, obtains PP-GF20 composite material granulars.
In order to further realize the technique effect of the present invention, the step（2）High speed blender temperature is controlled 60 ~ 80
℃；The step（3）High speed blender temperature is controlled at 100 ~ 140 DEG C.
In order to further realize the technique effect of the present invention, the temperature of the double screw extruder is 170 ~ 210 DEG C, rotating speed
For 80 ~ 120r/min.
Embodiment 1
The oxidation processes of wood powder：
By wood powder after 260-300 DEG C is toasted 10-15 minutes, with 1.5-2:Sodium metasilicate saturation is added in the solid-to-liquid ratio of 0.8-1.5
The dries pulverizing in nitrogen environment again after being impregnated 30-40 hours in solution, obtains the wood powder after oxidation processes.
Embodiment 2
The preparation of flame retarding polyether：
It is 1-2 that mass ratio is added in closed reactor:0.5-0.8:1.4-2.3:The inorganic fluoride of 1.5-3, polyethers, catalysis
Agent, polytetrafluoroethylene (PTFE), in non-oxygen condition, temperature is 700-800 DEG C, pressure 70-90Mpa, ten thousand volts of voltage 1.5-2.3 react items
Under part, reaction 1-3 hours is mixed, obtains flame retarding polyether.
Embodiment 3
The preparation of halogen-free flameproof PP-GF20 composite materials, specifically comprises the following steps：
（1）60kgPP-GF20,30kg parts of wood powders, 10kg flame retarding polyethers, 10kg impact modifiers, 5kg toughener, 2kg is weighed to increase
Agent, 3kg black masterbatch, 2kg plasticizer are moulded, it is spare；
（2）By the step（1）In weigh wood powder, flame retarding polyether, impact modifier, black masterbatch and odour absorbents, photocatalysis
Agent sequentially adds homogenizer stirring, and temperature is controlled at 60 DEG C, and time 3-5min obtains uniform mixture；
（3）By the step（1）In the PP-GF20, plasticizer, toughener, the auxiliary agent that weigh be added sequentially to the step（2）In
Continue high-speed stirred in homogeneous mixture obtained, temperature is controlled at 100 DEG C, and time 10-15min obtains mixed material；
（4）By step（3）Gained mixed material is squeezed out in double screw extruder, and temperature control is in 170 DEG C, rotating speed
80r/min obtains PP-GF20 composite material granulars.
Embodiment 4
The preparation of halogen-free flameproof PP-GF20 composite materials, specifically comprises the following steps：
（1）70kgPP-GF20,35kg parts of wood powders, 15kg flame retarding polyethers, 13kg impact modifiers, 6kg toughener, 3kg is weighed to increase
Agent, 5kg black masterbatch, 4kg plasticizer are moulded, it is spare；
（2）By the step（1）In weigh wood powder, flame retarding polyether, impact modifier, black masterbatch and odour absorbents, photocatalysis
Agent sequentially adds homogenizer stirring, and temperature is controlled at 70 DEG C, and time 3-5min obtains uniform mixture；
（3）By the step（1）In the PP-GF20, plasticizer, toughener, the auxiliary agent that weigh be added sequentially to the step（2）In
Continue high-speed stirred in homogeneous mixture obtained, temperature is controlled at 120 DEG C, and time 10-15min obtains mixed material；
（4）By step（3）Gained mixed material is squeezed out in double screw extruder, and temperature control is in 190 DEG C, rotating speed
100r/min obtains PP-GF20 composite material granulars.
Embodiment 5
The preparation of halogen-free flameproof PP-GF20 composite materials, specifically comprises the following steps：
（1）80kgPP-GF20,40kg parts of wood powders, 20kg flame retarding polyethers, 15kg impact modifiers, 7kg toughener, 5kg is weighed to increase
Agent, 6kg black masterbatch, 5kg plasticizer are moulded, it is spare；
（2）By the step（1）In weigh wood powder, flame retarding polyether, impact modifier, black masterbatch and odour absorbents, photocatalysis
Agent sequentially adds homogenizer stirring, and temperature is controlled at 80 DEG C, and time 3-5min obtains uniform mixture；
（3）By the step（1）In the PP-GF20, plasticizer, toughener, the auxiliary agent that weigh be added sequentially to the step（2）In
Continue high-speed stirred in homogeneous mixture obtained, temperature is controlled at 140 DEG C, and time 10-15min obtains mixed material；
（4）By step（3）Gained mixed material is squeezed out in double screw extruder, and temperature control is in 210 DEG C, rotating speed
120r/min obtains PP-GF20 composite material granulars.
Performance detection, detection method are carried out to the halogen-free flameproof PP-GF20 composite materials that above-described embodiment 3 ~ 5 is prepared
It is as follows：
Five kinds of halogen-free flameproof PP-GF20 composite molding samples are prepared according to 3 ~ 5 any preparation method of embodiment, and right
The finished product sample of same size carries out the detection of the performance tests such as proof voltage, insulating properties, anti-flammability respectively.
One, proof voltage is tested
Testing standard：IEC-60243；Test equipment：ZNY30B compression testers；Test method：DC5000V, leakage current 1mA,
Positive and negative motor contacts 1mm thickness models respectively（80mm*48mm*1mm）, duration 60s.Test result is shown in Table 1.
Table 1
Above-mentioned test result shows halogen-free flameproof PP-GF20 composite material granulars prepared by the technical solution provided in the present invention
With excellent proof voltage energy.
Two, Insulation test
Testing standard：IEC-60093（GB/T1410）；Test equipment：ZC36 type meggers；Test request：Material volume resistance
Rate ＞ 1014Ω.cm；Test sample size：φ100mm*2mm.Test result is referring to table 2.
Table 2
Above-mentioned test result shows that the volume resistivity of test material sample is 3.73 × 1016Ω.cm（＞ 1014Ω.cm）.Cause
Halogen-free flameproof PP-GF20 composite material granulars prepared by the technical solution provided in this present invention have excellent insulation performance.
Three, flame retardant property is tested
（1）Evaluation condition
（Two）Test result
By using aforesaid way, test result is as follows shown in table 3：
Table 3
Above-mentioned test result shows halogen-free flameproof PP-GF20 particles prepared by the technical solution provided in the present invention, fire protection flame retarding
Grade reaches V0 grades of non-ignitable, the original physicochemical properties of comprehensive PP-GF20 composite materials, makes it have very high production and applies valence
Value.
Four, density performance is tested
It randomly selects any sample one by halogen-free flameproof PP-GF20 particle preparations and carries out density measurement, wherein testing foundation：
ISO 1183-1；Customer specification：1.34-1.38g/m3.Test result is referring to table 4.
Table 4
Above-mentioned test result shows that the density average of test sample one is 1.35g/m3, meet the technology requirement of client.
Five, physical property is tested
（1）Test equipment
（2）Test result
By using aforesaid way, test result is as follows shown in table 5：
Table 5
By the above results analysis it is found that test sample tensile strength mean value be 67.7MPa, illustrate material resist permanent deformation and
The ability of destruction is stronger；The bending strength mean value of test sample is 104MPa, illustrates that material anti-collision performance is strong.Therefore the present invention
Halogen-free flameproof PP-GF20 composite material granulars prepared by the technical solution of middle offer have excellent mechanical performance.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of halogen-free flameproof PP-GF20 composite materials, which is characterized in that count in parts by weight, including following component：60-80
PP-GF20,30-40 parts of wood powders of part, 10-20 parts of flame retarding polyethers, 10-15 parts of impact modifiers, 5-7 parts of toughener, 2-5 parts of plasticising
Agent, 3-6 parts of black masterbatch.
2. a kind of halogen-free flameproof PP-GF20 composite materials according to claim 1, which is characterized in that the wood powder is warp
The wood powder of oxidation processes, specific oxidation processes mode are：By wood powder after 260-300 DEG C is toasted 10-15 minutes, with 1.5-2:
The solid-to-liquid ratio of 0.8-1.5 is added in sodium metasilicate saturated solution impregnate 30-40 hours after the dries pulverizing in nitrogen environment again.
3. a kind of halogen-free flameproof PP-GF20 composite materials according to claim 1, which is characterized in that the flame retarding polyether
It is made using following methods：It is 1-2 that mass ratio is added in closed reactor:0.5-0.8:1.4-2.3:The inorganic fluorine of 1.5-3
Compound, polyethers, catalyst, polytetrafluoroethylene (PTFE), in non-oxygen condition, temperature be 700-800 DEG C, pressure 70-90Mpa, voltage
Under ten thousand volts of reaction conditions of 1.5-2.3, reaction is mixed and is made within 1-3 hours.
4. a kind of halogen-free flameproof PP-GF20 composite materials according to claim 1, which is characterized in that the plasticizer is
Epoxidized soybean oil, RDP, BDP；The toughener is one or more in ethylene propylene diene rubber, SBS, high glue powder, MBS.
5. according to a kind of halogen-free flameproof PP-GF20 composite materials of claim 1 ~ 4 any one of them, which is characterized in that also wrap
Include the component of following weight parts：2 ~ 3 parts of odour absorbents, 0.5 ~ 1 part of photochemical catalyst.
6. a kind of halogen-free flameproof PP-GF20 composite materials according to claim 5, which is characterized in that the PP-GF20,
The weight ratio of odour absorbents and photochemical catalyst is 78:2:1.
7. a kind of halogen-free flameproof PP-GF20 composite materials according to claim 5 or 6, which is characterized in that the smell is inhaled
Receipts agent is one or more in activated carbon, porous silica, Woelm Alumina, porous molecular screen；The photochemical catalyst is
Titanium dioxide.
8. a kind of preparation method of halogen-free flameproof PP-GF20 composite materials, which is characterized in that using described in claim 1 ~ 8
Material component is made, and specifically comprises the following steps：
（1）A kind of each raw material of halogen-free flameproof PP-GF20 composite materials of claim 1-8 any one of them is weighed, it is spare；
（2）By the step（1）In weigh wood powder, flame retarding polyether, impact modifier, black masterbatch and odour absorbents, photocatalysis
Agent sequentially adds homogenizer stirring, and time 3-5min obtains uniform mixture；
（3）By the step（1）In the PP-GF20, plasticizer, toughener, the auxiliary agent that weigh be added sequentially to the step（2）In
Continue high-speed stirred in homogeneous mixture obtained, time 10-15min obtains mixed material；
（4）By step（3）Gained mixed material is squeezed out in double screw extruder, obtains PP-GF20 composite material granulars.
9. a kind of preparation method of halogen-free flameproof PP-GF20 composite materials according to claim 8, which is characterized in that institute
State step（2）High speed blender temperature is controlled at 60 ~ 80 DEG C；The step（3）The control of high speed blender temperature 100 ~
140℃。
10. a kind of preparation method of halogen-free flameproof PP-GF20 composite materials according to claim 8, which is characterized in that institute
The temperature for stating double screw extruder is 170 ~ 210 DEG C, and rotating speed is 80 ~ 120r/min.
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