CN102942738A - High-CTI (Creepage Tracking Index) high-GWIT (Glow-Wire Ignition Temperature) environmental-friendly flame-retardant glass fiber reinforced PP/PPO (Polypropylene/Polyphenylene Oxide) alloy material and preparation method thereof - Google Patents
High-CTI (Creepage Tracking Index) high-GWIT (Glow-Wire Ignition Temperature) environmental-friendly flame-retardant glass fiber reinforced PP/PPO (Polypropylene/Polyphenylene Oxide) alloy material and preparation method thereof Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7461—Combinations of dissimilar mixers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
- B29B9/14—Making granules characterised by structure or composition fibre-reinforced
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- 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
- C08K3/34—Silicon-containing compounds
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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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
- 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
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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
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/006—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to block copolymers containing at least one sequence of polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds
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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
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/02—Polyalkylene oxides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K21/00—Fireproofing materials
- C09K21/14—Macromolecular materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
Abstract
The invention provides a high-CTI (Creepage Tracking Index) high-GWIT (Glow-Wire Ignition Temperature) environmental-friendly flame-retardant glass fiber reinforced PP/PPO (Polypropylene/Polyphenylene Oxide) alloy material which is prepared from the following raw materials in percentage by weight: 23%-41% of PP, 22%-41% of PPO, 6%-20% of compound flame retardant, 3%-15% of antimony trioxide, 20%-30% of glass fibers, 2%-10% of compatilizer, 0.1%-1% of antioxidant and 0.1%-1% of oxide, wherein the compound flame retardant contains the following materials in percentage by weight: 50% of BPS (Brominated Polystyrene), 25% of magnesium hypophosphite and 25% of talcum powder. The invention also provides a preparation method of the high-CTI high-GWIT environmental-friendly flame-retardant glass fiber reinforced PP/PPO alloy material. The high-CTI value high-GWIT value environmental-friendly flame-retardant glass fiber reinforced PP/PPO alloy material provided by the invention has the advantages that the GWIT value is increased by 50-100 DEG C by adoption of a novel flame-retardant compounding system, so that the material can pass 850 DEG C glow-wire test; the GWIT value is also obviously increased through the addition of the glass fibers; in addiiton, impact property and ageing-resistant property are improved, processing fluidity and smoothness are increased and friction factor is lowered.
Description
Technical field
The present invention relates to a kind of environment-protection flame-proof fiberglass and strengthen PP/PPO alloy material and preparation method thereof, specifically, is that a kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PPO alloy material and preparation method thereof.
Background technology
PPO, Chinese name polyphenylene oxide is one of the world's five large general engineering plastic, the advantages such as it has, and rigidity is large, thermotolerance is high, difficult combustion, intensity is higher, electrical property is good, wear-resisting, nontoxic, anti-pollution.In addition, PPO is one of kind of engineering plastics medium dielectric constant microwave medium and dielectric loss minimum, is subjected to hardly the impact of temperature, humidity, can be used for basic, normal, high frequency electric field field, and its load deformation temperature can reach more than 190 ℃, and embrittlement temperature is-170 ℃.The relative density of PPO is little, and (the PPO/PA like product also only is 1.10-1.13g/cm
3), having good physical strength and creep resistance, proof stress is lax, and fatigue resistance is high.
Polypropylene, English name polypropylene is called for short PP, molecular formula: (C
3H
6) n, be a kind of thermoplastic resin that is made by propylene polymerization.Be divided into three kinds of isotatic polypropylene (isotaetic polyprolene), Atactic Polypropelene (atactic polypropylene) and syndiotactic polypropylenes (syndiotatic polypropylene) by the methyl arrangement position.PP is nontoxic, tasteless, and density is little, and intensity, rigidity, hardness, thermotolerance all are better than low pressure polyethylene, can use about 100 ℃; Have good electrical property and high-frequency insulation and be not subjected to humidity effect, be suitable for making common mechanical part, corrosion-resistant part and insulating part.The organic solvents such as common acid, alkali work hardly to it, therefore can be used for tableware.
The PP/PPO alloy material combines the advantage of PP and PPO bi-material.
21 century electronics, electric, communication, household electrical appliances, electromechanical equipment are to high-performance and microminiaturized development, and be also more and more higher to the requirement of fire-retardant PP/PPO alloy material.Simultaneously, along with the raising of human environmental consciousness, Green Product is subject to common concern.Therefore, the developing direction of fire-retardant PP/PPO alloy material is: the fire-retardant PP/PPO alloy material of performance functionization becomes main flow; The kind of the fire-retardant PP/PPO alloy material of environmental type and demand are more and more; The production of fire-retardant PP/PPO alloy material is to many kinds, seriation future development; The use of fire retardant is to diversification, compound development.The flame-retardant system of the PP/PPO alloy material that some are traditional is (GF+ TDE+antimonous oxide) compound system, (GF+ brominated Polystyrene+antimonous oxide) compound system, but the creepage trace index of these compound systems (CTI value) and glow wire temperature (GWIT value) are not high, be not suitable for the power utilization environment of high request, as be not suitable for Low-voltage Electronic capacitor case, load break switch, carbon brush supports, breaker of plastic casing field.
Chinese patent literature CN 201110377526.8, applying date 2011-11-23 discloses a kind of permanent anti-static PP/PPO alloy and preparation method, and this material comprises following component and weight percentage: antistatic master granule 3-8%, PP 40-45%, PPO 40-50%, compatilizer 1-5% takes by weighing by weight percentage raw material and put into high-speed mixer and mixing 2-5 minute, discharging, then use the twin screw extruder extruding pelletization, processing temperature is at 245-285 ℃, and the screw rod revolution is at 35-40Hz.This material has the effect that antistatic effect is lasting, reach permanent anti-static, and antistatic effect is good, and comprehensive mechanical property is higher, near the performance of pure PP/PPO alloy, the shades of colour that is made into of light color, and cost is low, the advantages such as good heat resistance.
Chinese patent literature CN 201110377403.4, applying date 2011-11-24, disclose a kind of glass and strengthened polyphenylene oxide/polypropylene alloy and preparation method thereof, described alloy is comprised of the component of following parts by weight: polyphenylene oxide (PPO): 10-50%, polypropylene (PP): 10-50%, toughner: 3-15%, glass fibre: 10-40%, polyphenylene oxide-polypropylene compatilizer: 5-15%, oxidation inhibitor: 0.2-0.6%, lubricant: 0.2-1%, ultraviolet-resistant aid: 0.2-0.8%.Described preparation technology comprises following technique: at first raw material is mixed according to the above ratio by in the feeding machine adding twin screw extruder, roving glass fiber is added by twin screw extruder glass entrance, after carry out granulation, temperature is controlled at 220-250 ℃, screw rod is controlled at 300-600 and turns, and can obtain glass and strengthen polyphenylene oxide/polypropylene alloy material.This polyphenylene oxide/polypropylene alloy has the advantages such as good stretching, bending and impact property, thermotolerance, weathering resistance, creep resistance, dimensional stability and easy machine-shaping, is applicable to automobile component, pipe fitting, valve member etc.
But the environment-protection flame-proof fiberglass enhancing PP/PPO alloy material about the high CTI value of excellent combination property, high GWIT value yet there are no report at present.
Summary of the invention
The objective of the invention is for deficiency of the prior art, provide a kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass to strengthen the PP/PPO alloy material.
Again one purpose of the present invention is that a kind of preparation method of upper PP/PPO alloy material is provided.
For achieving the above object, the technical scheme taked of the present invention is:
A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen the PP/PPO alloy material, and described material is made by the raw material of following each weight percent:
PP 23-41%，
PPO 22-41%，
Compound flame redundant 6-20%,
Antimonous oxide 3-15%,
Glass fibre 20-30%,
Compatilizer 2-10%,
Oxidation inhibitor 0.1-1%,
Oxide compound 0.1-1%,
Described compound flame redundant is comprised of the material of following each weight percent: BPS 50%, magnesium hypophosphite 25%, talcum powder 25%.
Preferably, described material is made by the raw material of following each weight percent:
PP 25%，
PPO 25.1%，
Compound flame redundant 12%,
Antimonous oxide 4%,
Glass fibre 30%,
Compatilizer 3%,
Oxidation inhibitor 0.4%,
Oxide compound 0.5%.
Preferably, described material is made by the raw material of following each weight percent:
PP 25%，
PPO 23%，
Compound flame redundant 12%,
Antimonous oxide 4%,
Glass fibre 30%,
Compatilizer 5%,
Oxidation inhibitor 0.4%,
Oxide compound 0.6%.
Preferably, the limiting viscosity of described PPO is 1.0dl/g.
Preferably, described glass fibre is the alkali free glass fibre that process through silane coupling agent on the surface.
Preferably, described compatilizer is maleic anhydride graft SEBS.
Preferably, described oxidation inhibitor is the high molecular weight hindered phenols kind antioxidant.
Preferably, described high molecular weight hindered phenols kind antioxidant is oxidation inhibitor 1330.
Preferably, described oxide compound is ferric oxide.
For realizing above-mentioned second purpose, the technical scheme that the present invention takes is:
Aforesaid high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen the preparation method of PP/PPO alloy material, may further comprise the steps:
1) takes by weighing by weight percentage raw material: PP 23-41%, PPO 22-41%, compound flame redundant 6-20%, antimonous oxide 3-15%, glass fibre 20-30%, compatilizer 2-10%, oxidation inhibitor 0.1-1%, oxide compound 0.1-1%;
2) raw material that step 1) is taken by weighing was put into high-speed mixer and mixing 2-5 minute, discharging;
3) use the twin screw extruder extruding pelletization, wherein processing temperature is 220-240 ℃, and the screw rod revolution is 30-40HZ.
The invention has the advantages that:
1, compared with prior art, the present invention adopts the novel flame-retardant compound system, compares with traditional flame-retardant system, and in the identical situation of fire retardant percentage composition, the novel built system can make the GWIT value of material improve 50-100 ℃, can pass through 850 ℃ of glowing filaments;
2, the adding of glass fibre significantly improves the GWIT value of material;
3, add the impact property that compatilizer has improved material;
What 4, oxidation inhibitor adopted is Hinered phenols antioxidant, can improve composition in the antioxidant property of the course of processing and the ageing resistance in the use procedure;
5, adopt ferric oxide as the auxiliary agent of carrying high CTI value, can improve the materials processing flowability, reduce frictional coefficient, improve slipping, specifically adopting the combination that dispersiveness is better, the residence time is short, shearing is slightly weak under the processing conditions simultaneously, can prevent that fire retardant from decomposing, thereby guarantee the steady quality of material.
In a word, the PP/PPO alloy material of the present invention preparation has that the GWIT value is higher, the CTI value is higher, the advantage of environmental protection, over-all properties equilibrium, can be widely used in the fields such as Low-voltage Electronic capacitor case, load break switch, carbon brush supports, breaker of plastic casing.
Embodiment
The below elaborates to embodiment provided by the invention.
Herein, described PP is commercially available polypropylene; Described PPO is commercially available polyphenylene oxide; The described alkali free glass fibre of processing through silane coupling agent is that glass fibre is added in the silane coupling agent, and its surface is processed through silane coupling agent, and its treatment process is general knowledge known in this field; Embodiment 1-9 and the described compound flame redundant of Comparative Examples 3-5 are comprised of the material of following each weight percent: the BPS(brominated Polystyrene) 50%, and magnesium hypophosphite 25%, talcum powder 25%; Described glass fibre ECS 13-4.5-534A is alkali free glass fibre available from megalith group; Described AX8900 is available from French Arkema, for the ethylene-methyl acrylate-glyceryl methacrylate terpolymer, as compatilizer.
Embodiment 1 PP/PPO alloy material preparation of the present invention ()
Take by weighing by weight percentage raw material: PP 25%, the PPO(limiting viscosity is 1.0dl/g) 25.1%, compound flame redundant 12%, antimonous oxide 4% is through the alkali free glass fibre 30% that silane coupling agent is processed, maleic anhydride graft SEBS 3%, oxidation inhibitor 1,330 0.4%, ferric oxide 0.5%; The raw material that takes by weighing was put into high-speed mixer and mixing 5 minutes, discharging; Use the twin screw extruder extruding pelletization, wherein processing temperature is 220-240 ℃, and the screw rod revolution is 35HZ, and the situation of specifically processing is as shown in the table.
Embodiment 2 PP/PPO alloy material preparations of the present invention (two)
Take by weighing by weight percentage raw material: PP 25%, the PPO(limiting viscosity is 1.0dl/g) 23%, compound flame redundant 12%, antimonous oxide 4% is through the alkali free glass fibre 30% that silane coupling agent is processed, maleic anhydride graft SEBS 5%, oxidation inhibitor 1,330 0.4%, ferric oxide 0.6%; The raw material that takes by weighing was put into high-speed mixer and mixing 2 minutes, discharging; Use the twin screw extruder extruding pelletization, wherein processing temperature is 220-240 ℃, and the screw rod revolution is 35HZ, and the situation of specifically processing is as shown in the table.
Embodiment 3 PP/PPO alloy material preparations of the present invention (three)
Take by weighing by weight percentage raw material: PP 23%, the PPO(limiting viscosity is 1.0dl/g) 22%, compound flame redundant 20%, antimonous oxide 4.3% is through the alkali free glass fibre 20% that silane coupling agent is processed, maleic anhydride graft SEBS 10%, oxidation inhibitor 1,330 0.1%, ferric oxide 0.6%; The raw material that takes by weighing was put into high-speed mixer and mixing 2 minutes, discharging; Use the twin screw extruder extruding pelletization, wherein processing temperature is 220-240 ℃, and the screw rod revolution is 30HZ, and the situation of specifically processing is as shown in the table.
Embodiment 4 PP/PPO alloy material preparations of the present invention (four)
Take by weighing by weight percentage raw material: PP 41%, the PPO(limiting viscosity is 0.9dl/g) 22%, compound flame redundant 6%, antimonous oxide 6% is through the alkali free glass fibre 21% that silane coupling agent is processed, maleic anhydride graft SEBS 2%, oxidation inhibitor 1,330 1%, ferric oxide 1%; The raw material that takes by weighing was put into high-speed mixer and mixing 5 minutes, discharging; Use the twin screw extruder extruding pelletization, wherein processing temperature is 220-240 ℃, and the screw rod revolution is 40HZ, and the situation of specifically processing is as shown in the table.
Embodiment 5 PP/PPO alloy material preparations of the present invention (five)
Take by weighing by weight percentage raw material: PP 26%, the PPO(limiting viscosity is 1.1dl/g) 30%, compound flame redundant 6%, antimonous oxide 10% is through the alkali free glass fibre 25% that silane coupling agent is processed, maleic anhydride graft SEBS 2%, oxidation inhibitor 1,330 0.5%, ferric oxide 0.5%; The raw material that takes by weighing was put into high-speed mixer and mixing 3 minutes, discharging; Use the twin screw extruder extruding pelletization, wherein processing temperature is 220-240 ℃, and the screw rod revolution is 35HZ, and the situation of specifically processing is as shown in the table.
Embodiment 6 PP/PPO alloy material preparations of the present invention (six)
Take by weighing by weight percentage raw material: PP 27.8%, the PPO(limiting viscosity is 1.0dl/g) 41%, compound flame redundant 6%, antimonous oxide 3% is through the alkali free glass fibre 20% that silane coupling agent is processed, maleic anhydride graft SEBS 2%, oxidation inhibitor 1,330 0.1%, ferric oxide 0.1%; The raw material that takes by weighing was put into high-speed mixer and mixing 3 minutes, discharging; Use the twin screw extruder extruding pelletization, wherein processing temperature is 220-240 ℃, and the screw rod revolution is 38HZ, and the situation of specifically processing is as shown in the table.
Embodiment 7 PP/PPO alloy material preparations of the present invention (seven)
Take by weighing by weight percentage raw material: PP 23%, the PPO(limiting viscosity is 1.0dl/g) 22%, compound flame redundant 10.9%, antimonous oxide 15%, through the alkali free glass fibre 20% that silane coupling agent is processed, AX8900 8%, oxidation inhibitor 1,330 1%, ferric oxide 0.1%; The raw material that takes by weighing was put into high-speed mixer and mixing 3 minutes, discharging; Use the twin screw extruder extruding pelletization, wherein processing temperature is 220-240 ℃, and the screw rod revolution is 38HZ, and the situation of specifically processing is as shown in the table.
Embodiment 8 PP/PPO alloy material preparations of the present invention (eight)
Take by weighing by weight percentage raw material: PP 25%, the PPO(limiting viscosity is 1.0dl/g) 25.1%, compound flame redundant 12%, antimonous oxide 4% is through the alkali free glass fibre 30% that silane coupling agent is processed, maleic anhydride graft SEBS 3%, irgasfos 168 0.4%, ferric oxide 0.5%; The raw material that takes by weighing was put into high-speed mixer and mixing 5 minutes, discharging; Use the twin screw extruder extruding pelletization, wherein processing temperature is 220-240 ℃, and the screw rod revolution is 35HZ, and the situation of specifically processing is as shown in the table.
Embodiment 9 PP/PPO alloy material preparations of the present invention (nine)
Take by weighing by weight percentage raw material: PP 25%, the PPO(limiting viscosity is 1.1dl/g) 23%, compound flame redundant 12%, antimonous oxide 4%, glass fibre ECS13-4.5-534A 30%, maleic anhydride graft SEBS 5%, oxidation inhibitor 1,330 0.4%, ferric oxide 0.6%; The raw material that takes by weighing was put into high-speed mixer and mixing 2 minutes, discharging; Use the twin screw extruder extruding pelletization, wherein processing temperature is 220-240 ℃, and the screw rod revolution is 35HZ, and the situation of specifically processing is as shown in the table.
Comparative Examples 1
Take by weighing by weight percentage raw material: PP 25%, the PPO(limiting viscosity is 1.0dl/g) 25.1%, (component by following weight percent content mixes compound flame redundant: deironing red phosphorus master batch 50%, antimigration agent 25%, high CTI auxiliary agent 25%) 12%, antimonous oxide 4%, alkali free glass fibre 30% through the silane coupling agent processing, maleic anhydride graft SEBS 3%, oxidation inhibitor 1,330 0.4%, ferric oxide 0.5%; The raw material that takes by weighing was put into high-speed mixer and mixing 5 minutes, discharging; Use the twin screw extruder extruding pelletization, wherein processing temperature is 220-240 ℃, and the screw rod revolution is 35HZ, and the situation of specifically processing is as shown in the table.
Comparative Examples 2
Take by weighing by weight percentage raw material: PP 25%, the PPO(limiting viscosity is 1.0dl/g) 23%, GF 6%, TDE 6%, antimonous oxide 4% is through the alkali free glass fibre 30% of silane coupling agent processing, maleic anhydride graft SEBS 5%, oxidation inhibitor 1,330 0.4%, ferric oxide 0.6%; The raw material that takes by weighing was put into high-speed mixer and mixing 2 minutes, discharging; Use the twin screw extruder extruding pelletization, wherein processing temperature is 220-240 ℃, and the screw rod revolution is 35HZ, and the situation of specifically processing is as shown in the table.
Comparative Examples 3
Take by weighing by weight percentage raw material: PP 40%, the PPO(limiting viscosity is 1.0dl/g) 38%, compound flame redundant 12%, antimonous oxide 4%, maleic anhydride graft SEBS 5%, oxidation inhibitor 1,330 0.4%, ferric oxide 0.6%; The raw material that takes by weighing was put into high-speed mixer and mixing 2 minutes, discharging; Use the twin screw extruder extruding pelletization, wherein processing temperature is 220-240 ℃, and the screw rod revolution is 35HZ, and the situation of specifically processing is as shown in the table.
Comparative Examples 4
Take by weighing by weight percentage raw material: PP 25%, the PPO(limiting viscosity is 1.0dl/g) 28.1%, compound flame redundant 12%, antimonous oxide 4% is through the alkali free glass fibre 30% that silane coupling agent is processed, oxidation inhibitor 1,330 0.4%, ferric oxide 0.5%; The raw material that takes by weighing was put into high-speed mixer and mixing 5 minutes, discharging; Use the twin screw extruder extruding pelletization, wherein processing temperature is 220-240 ℃, and the screw rod revolution is 35HZ, and the situation of specifically processing is as shown in the table.
Comparative Examples 5
Take by weighing by weight percentage raw material: PP 25%, the PPO(limiting viscosity is 1.0dl/g) 23%, compound flame redundant 12%, antimonous oxide 4% is through the alkali free glass fibre 30% that silane coupling agent is processed, maleic anhydride graft SEBS 5%, oxidation inhibitor 1,330 1%; The raw material that takes by weighing was put into high-speed mixer and mixing 2 minutes, discharging; Use the twin screw extruder extruding pelletization, wherein processing temperature is 220-240 ℃, and the screw rod revolution is 35HZ, and the situation of specifically processing is as shown in the table.
Embodiment 10 performance tests
The sample that embodiment 1-9 and Comparative Examples 1-5 are made adopts the ASTM standard to carry out performance test, and the test performance contrast is as shown in the table:
As can be seen from the above table the PP/PPO alloy material of the present invention preparation have that GWIT value is higher, the CTI value is higher, the advantage of environmental protection, over-all properties equilibrium, so can be widely used in the fields such as Low-voltage Electronic capacitor case, load break switch, carbon brush supports, breaker of plastic casing.
The PP/PPO alloy material of above embodiment 3-9 preparation is through performance test, and experimental result shows that it has equally that the GWIT value is higher, the CTI value is higher, the advantage of environmental protection, over-all properties equilibrium.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the inventive method; can also make some improvement and replenish, these improvement and replenish and also should be considered as protection scope of the present invention.
Claims (10)
1. a high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen the PP/PPO alloy material, it is characterized in that described material is made by the raw material of following each weight percent:
PP 23-41%，
PPO 22-41%，
Compound flame redundant 6-20%,
Antimonous oxide 3-15%,
Glass fibre 20-30%,
Compatilizer 2-10%,
Oxidation inhibitor 0.1-1%,
Oxide compound 0.1-1%,
Described compound flame redundant is comprised of the material of following each weight percent: BPS 50%, magnesium hypophosphite 25%, talcum powder 25%.
2. high CTI value according to claim 1, high GWIT value environment-protection flame-proof fiberglass strengthen the PP/PPO alloy material, it is characterized in that described material is made by the raw material of following each weight percent:
PP 25%，
PPO 25.1%，
Compound flame redundant 12%,
Antimonous oxide 4%,
Glass fibre 30%,
Compatilizer 3%,
Oxidation inhibitor 0.4%,
Oxide compound 0.5%.
3. high CTI value according to claim 1, high GWIT value environment-protection flame-proof fiberglass strengthen the PP/PPO alloy material, it is characterized in that described material is made by the raw material of following each weight percent:
PP 25%，
PPO 23%，
Compound flame redundant 12%,
Antimonous oxide 4%,
Glass fibre 30%,
Compatilizer 5%,
Oxidation inhibitor 0.4%,
Oxide compound 0.6%.
4. arbitrary described high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen the PP/PPO alloy material according to claim 1-3, it is characterized in that the limiting viscosity of described PPO is 1.0dl/g.
5. arbitrary described high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen the PP/PPO alloy material according to claim 1-3, it is characterized in that, described glass fibre is the alkali free glass fibre that process through silane coupling agent on the surface.
6. arbitrary described high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen the PP/PPO alloy material according to claim 1-3, it is characterized in that described compatilizer is maleic anhydride graft SEBS.
7. arbitrary described high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen the PP/PPO alloy material according to claim 1-3, it is characterized in that described oxidation inhibitor is the high molecular weight hindered phenols kind antioxidant.
8. high CTI value according to claim 7, high GWIT value environment-protection flame-proof fiberglass strengthen the PP/PPO alloy material, it is characterized in that described high molecular weight hindered phenols kind antioxidant is oxidation inhibitor 1330.
9. arbitrary described high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen the PP/PPO alloy material according to claim 1-3, it is characterized in that described oxide compound is ferric oxide.
10. high CTI value claimed in claim 1, high GWIT value environment-protection flame-proof fiberglass strengthen the preparation method of PP/PPO alloy material, it is characterized in that, may further comprise the steps:
1) takes by weighing by weight percentage raw material: PP 23-41%, PPO 22-41%, compound flame redundant 6-20%, antimonous oxide 3-15%, glass fibre 20-30%, compatilizer 2-10%, oxidation inhibitor 0.1-1%, oxide compound 0.1-1%;
2) raw material that step 1) is taken by weighing was put into high-speed mixer and mixing 2-5 minute, discharging;
3) use the twin screw extruder extruding pelletization, wherein processing temperature is 220-240 ℃, and the screw rod revolution is 30-40HZ.
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