CN102942738B - A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PPO alloy material and preparation method thereof - Google Patents
A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PPO 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
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- 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
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- 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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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/34—Silicon-containing compounds
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- 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
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- 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
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- 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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- 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 kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthens PP/PPO alloy material, it is made up of the raw material of following 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 made up of the material of following weight percent: BPS 50%, magnesium hypophosphite 25%, talcum powder 25%.Present invention also offers the preparation method of above-mentioned materials.Its advantage is: the present invention adopts novel flame-retardant compound system, the GWIT value of material is made to improve 50-100 DEG C, 850 DEG C of glowing filaments can be passed through, the GWIT value also making material that adds of glass fibre significantly improves, the impact property of this material, ageing resistance improve simultaneously, processing fluidity, slipping improve, and frictional coefficient reduces.
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 a kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass enhancing PP/PPO alloy material and preparation method thereof.
Background technology
PPO, Chinese name polyphenylene oxide, be one of large general engineering plastic in the world five, it has, and rigidity be large, thermotolerance is high, difficult combustion, the advantage such as intensity is higher, electrical property is excellent, wear-resisting, nontoxic, anti-pollution.In addition, PPO is one of minimum kind of engineering plastics medium dielectric constant microwave medium and dielectric loss, and hardly by the impact of temperature, humidity, can be used for basic, normal, high frequency electric field field, its load deformation temperature can reach more than 190 DEG C, and embrittlement temperature is-170 DEG C.The relative density of PPO is little, and (PPO/PA like product is also only 1.10-1.13g/cm
3), have good physical strength and creep resistance, proof stress relaxes, 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 obtained by propylene polymerization.Isotatic polypropylene (isotaetic polyprolene), Atactic Polypropelene (atactic polypropylene) and syndiotactic polypropylene (syndiotatic polypropylene) three kinds is divided into by methyl arrangement position.PP is nontoxic, tasteless, and density is little, and intensity, rigidity, hardness, thermotolerance are all better than low pressure polyethylene, can about 100 DEG C uses; There is good electrical property and high-frequency insulation not by 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.
PP/PPO alloy material combines the advantage of PP and PPO bi-material.
21 century electronics, electrically, communication, household electrical appliances, electromechanical equipment to high-performance and miniaturization, also more and more higher to the requirement of fire-retardant PP/PPO alloy material.Meanwhile, along with the raising of mankind's 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 get more and more; The production of fire-retardant PP/PPO alloy material is to multi items, seriation future development; The use of fire retardant is to diversification, compound development.The flame-retardant system of some traditional PP/PPO alloy materials 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) not high, be not suitable for the power utilization environment of high request, as not being 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, disclose a kind of permanent anti-static PP/PPO alloy and preparation method, this material comprises following component and weight percentage: antistatic master granule 3-8%, PP 40-45%, PPO 40-50%, compatilizer 1-5%, take raw material by weight percentage and put into high-speed mixer and mixing 2-5 minute, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 245-285 DEG C, and 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, close to the performance of pure PP/PPO alloy, is of light colorly made into shades of colour, the advantages such as cost is low, good heat resistance.
Chinese patent literature CN 201110377403.4, applying date 2011-11-24, disclose a kind of fiberglass reinforced polyphenylene oxide/polypropylene alloy and preparation method thereof, described alloy is made up 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 ether-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: add in twin screw extruder through feeding machine after first being mixed according to the above ratio by raw material, roving glass fiber is added by twin screw extruder glass entrance, after carry out granulation, temperature controls at 220-250 DEG C, screw rod controls to turn at 300-600, can obtain fiberglass reinforced polyphenylene oxide/polypropylene alloy material.This polyphenylene oxide/polypropylene alloy has good stretching, bending and impact property, thermotolerance, weathering resistance, creep resistance, dimensional stability and the easy advantage such as machine-shaping, is applicable to automobile component, pipe fitting, valve member etc.
But the environment-protection flame-proof fiberglass enhancing PP/PPO alloy material at present about the high CTI value of excellent combination property, high GWIT value have not been reported.
Summary of the invention
The object 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 PP/PPO alloy material.
Of the present invention again one object be that a kind of preparation method of upper PP/PPO alloy material is provided.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PPO alloy material, and described material is made up of the raw material of following 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 made up of the material of following weight percent: BPS 50%, magnesium hypophosphite 25%, talcum powder 25%.
Preferably, described material is made up of the raw material of following 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 up of the raw material of following 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 of surface through silane coupling agent process.
Preferably, described compatilizer is maleic anhydride-g-SBS.
Preferably, described oxidation inhibitor is 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 object, the technical scheme that the present invention takes is:
High CTI value as above, high GWIT value environment-protection flame-proof fiberglass strengthen the preparation method of PP/PPO alloy material, comprise the following steps:
1) raw material is taken by weight percentage: 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) takes is put into high-speed mixer and mixing 2-5 minute, discharging;
3) use twin screw extruder extruding pelletization, wherein processing temperature is 220-240 DEG C, and screw rod revolution is 30-40HZ.
The invention has the advantages that:
1, compared with prior art, the present invention adopts novel flame-retardant compound system, compares with traditional flame-retardant system, and when fire retardant percentage composition is identical, novel built system can make the GWIT value of material improve 50-100 DEG C, can pass through 850 DEG C of glowing filaments;
2, the GWIT value making material that adds of glass fibre significantly improves;
3, the impact property that compatilizer improves material is added;
What 4, oxidation inhibitor adopted is Hinered phenols antioxidant, can improve the ageing resistance of composition in the antioxidant property and use procedure of the course of processing;
5, adopt ferric oxide as the auxiliary agent carrying high CTI value, materials processing mobility can be improved, reduce frictional coefficient, improve slipping, under specific processing conditions, adopt the combination that dispersiveness is better, the residence time is short, shearing is slightly weak simultaneously, can prevent fire retardant from decomposing, thus ensure that the steady quality of material.
In a word, PP/PPO alloy material prepared by the present invention has that GWIT value is higher, CTI value is higher, environmental protection, over-all properties equilibrium advantage, the fields such as Low-voltage Electronic capacitor case, load break switch, carbon brush supports, breaker of plastic casing can be widely used in.
Embodiment
Below embodiment provided by the invention is elaborated.
Herein, described PP is commercial polypropylene; Described PPO is commercially available polyphenylene oxide; The described alkali free glass fibre through silane coupling agent process, be add in silane coupling agent by glass fibre, make its surface through silane coupling agent process, its treatment process is general knowledge known in this field; Compound flame redundant described in embodiment 1-9 and comparative example 3-5 is made up of the material of following weight percent: BPS(brominated Polystyrene) 50%, magnesium hypophosphite 25%, talcum powder 25%; Described glass fibre ECS 13-4.5-534A, purchased from megalith group, is alkali free glass fibre; Described AX8900, purchased from French Arkema, is ethylene-methyl acrylate-glyceryl methacrylate terpolymer, as compatilizer.
embodiment 1 PP/PPO alloy material preparation () of the present invention
Take raw material by weight percentage: PP 25%, PPO(limiting viscosity is 1.0dl/g) 25.1%, compound flame redundant 12%, antimonous oxide 4%, through the alkali free glass fibre 30% of silane coupling agent process, maleic anhydride-g-SBS 3%, oxidation inhibitor 1,330 0.4%, ferric oxide 0.5%; The raw material taken is put into high-speed mixer and mixing 5 minutes, discharging; Use twin screw extruder extruding pelletization, wherein processing temperature is 220-240 DEG C, and screw rod revolution is 35HZ, and concrete processing situation is as shown in the table.
embodiment 2 PP/PPO alloy material preparation (two) of the present invention
Take raw material by weight percentage: PP 25%, PPO(limiting viscosity is 1.0dl/g) 23%, compound flame redundant 12%, antimonous oxide 4%, through the alkali free glass fibre 30% of silane coupling agent process, maleic anhydride-g-SBS 5%, oxidation inhibitor 1,330 0.4%, ferric oxide 0.6%; The raw material taken is put into high-speed mixer and mixing 2 minutes, discharging; Use twin screw extruder extruding pelletization, wherein processing temperature is 220-240 DEG C, and screw rod revolution is 35HZ, and concrete processing situation is as shown in the table.
embodiment 3 PP/PPO alloy material preparation (three) of the present invention
Take raw material by weight percentage: PP 23%, PPO(limiting viscosity is 1.0dl/g) 22%, compound flame redundant 20%, antimonous oxide 4.3%, through the alkali free glass fibre 20% of silane coupling agent process, maleic anhydride-g-SBS 10%, oxidation inhibitor 1,330 0.1%, ferric oxide 0.6%; The raw material taken is put into high-speed mixer and mixing 2 minutes, discharging; Use twin screw extruder extruding pelletization, wherein processing temperature is 220-240 DEG C, and screw rod revolution is 30HZ, and concrete processing situation is as shown in the table.
embodiment 4 PP/PPO alloy material preparation (four) of the present invention
Take raw material by weight percentage: PP 41%, PPO(limiting viscosity is 0.9dl/g) 22%, compound flame redundant 6%, antimonous oxide 6%, through the alkali free glass fibre 21% of silane coupling agent process, maleic anhydride-g-SBS 2%, oxidation inhibitor 1,330 1%, ferric oxide 1%; The raw material taken is put into high-speed mixer and mixing 5 minutes, discharging; Use twin screw extruder extruding pelletization, wherein processing temperature is 220-240 DEG C, and screw rod revolution is 40HZ, and concrete processing situation is as shown in the table.
embodiment 5 PP/PPO alloy material preparation (five) of the present invention
Take raw material by weight percentage: PP 26%, PPO(limiting viscosity is 1.1dl/g) 30%, compound flame redundant 6%, antimonous oxide 10%, through the alkali free glass fibre 25% of silane coupling agent process, maleic anhydride-g-SBS 2%, oxidation inhibitor 1,330 0.5%, ferric oxide 0.5%; The raw material taken is put into high-speed mixer and mixing 3 minutes, discharging; Use twin screw extruder extruding pelletization, wherein processing temperature is 220-240 DEG C, and screw rod revolution is 35HZ, and concrete processing situation is as shown in the table.
embodiment 6 PP/PPO alloy material preparation (six) of the present invention
Take raw material by weight percentage: PP 27.8%, PPO(limiting viscosity is 1.0dl/g) 41%, compound flame redundant 6%, antimonous oxide 3%, through the alkali free glass fibre 20% of silane coupling agent process, maleic anhydride-g-SBS 2%, oxidation inhibitor 1,330 0.1%, ferric oxide 0.1%; The raw material taken is put into high-speed mixer and mixing 3 minutes, discharging; Use twin screw extruder extruding pelletization, wherein processing temperature is 220-240 DEG C, and screw rod revolution is 38HZ, and concrete processing situation is as shown in the table.
embodiment 7 PP/PPO alloy material preparation (seven) of the present invention
Take raw material by weight percentage: PP 23%, PPO(limiting viscosity is 1.0dl/g) 22%, compound flame redundant 10.9%, antimonous oxide 15%, through the alkali free glass fibre 20%, AX8900 8% of silane coupling agent process, oxidation inhibitor 1,330 1%, ferric oxide 0.1%; The raw material taken is put into high-speed mixer and mixing 3 minutes, discharging; Use twin screw extruder extruding pelletization, wherein processing temperature is 220-240 DEG C, and screw rod revolution is 38HZ, and concrete processing situation is as shown in the table.
embodiment 8 PP/PPO alloy material preparation (eight) of the present invention
Take raw material by weight percentage: PP 25%, PPO(limiting viscosity is 1.0dl/g) 25.1%, compound flame redundant 12%, antimonous oxide 4%, through the alkali free glass fibre 30% of silane coupling agent process, maleic anhydride-g-SBS 3%, irgasfos 168 0.4%, ferric oxide 0.5%; The raw material taken is put into high-speed mixer and mixing 5 minutes, discharging; Use twin screw extruder extruding pelletization, wherein processing temperature is 220-240 DEG C, and screw rod revolution is 35HZ, and concrete processing situation is as shown in the table.
embodiment 9 PP/PPO alloy material preparation (nine) of the present invention
Take raw material by weight percentage: PP 25%, PPO(limiting viscosity is 1.1dl/g) 23%, compound flame redundant 12%, antimonous oxide 4%, glass fibre ECS13-4.5-534A 30%, maleic anhydride-g-SBS 5%, oxidation inhibitor 1,330 0.4%, ferric oxide 0.6%; The raw material taken is put into high-speed mixer and mixing 2 minutes, discharging; Use twin screw extruder extruding pelletization, wherein processing temperature is 220-240 DEG C, and screw rod revolution is 35HZ, and concrete processing situation is as shown in the table.
comparative example 1
Take raw material by weight percentage: PP 25%, PPO(limiting viscosity is 1.0dl/g) 25.1%, compound flame redundant (is mixed by the component of following weight percent content: deironing red phosphorus master batch 50%, antimigration agent 25%, high CTI auxiliary agent 25%) 12%, antimonous oxide 4%, through the alkali free glass fibre 30% of silane coupling agent process, maleic anhydride-g-SBS 3%, oxidation inhibitor 1,330 0.4%, ferric oxide 0.5%; The raw material taken is put into high-speed mixer and mixing 5 minutes, discharging; Use twin screw extruder extruding pelletization, wherein processing temperature is 220-240 DEG C, and screw rod revolution is 35HZ, and concrete processing situation is as shown in the table.
comparative example 2
Take raw material by weight percentage: PP 25%, PPO(limiting viscosity is 1.0dl/g) 23%, GF 6%, TDE 6%, antimonous oxide 4%, through the alkali free glass fibre 30% of silane coupling agent process, maleic anhydride-g-SBS 5%, oxidation inhibitor 1,330 0.4%, ferric oxide 0.6%; The raw material taken is put into high-speed mixer and mixing 2 minutes, discharging; Use twin screw extruder extruding pelletization, wherein processing temperature is 220-240 DEG C, and screw rod revolution is 35HZ, and concrete processing situation is as shown in the table.
comparative example 3
Take raw material by weight percentage: PP 40%, PPO(limiting viscosity is 1.0dl/g) 38%, compound flame redundant 12%, antimonous oxide 4%, maleic anhydride-g-SBS 5%, oxidation inhibitor 1,330 0.4%, ferric oxide 0.6%; The raw material taken is put into high-speed mixer and mixing 2 minutes, discharging; Use twin screw extruder extruding pelletization, wherein processing temperature is 220-240 DEG C, and screw rod revolution is 35HZ, and concrete processing situation is as shown in the table.
comparative example 4
Take raw material by weight percentage: PP 25%, PPO(limiting viscosity is 1.0dl/g) 28.1%, compound flame redundant 12%, antimonous oxide 4%, through the alkali free glass fibre 30% of silane coupling agent process, oxidation inhibitor 1,330 0.4%, ferric oxide 0.5%; The raw material taken is put into high-speed mixer and mixing 5 minutes, discharging; Use twin screw extruder extruding pelletization, wherein processing temperature is 220-240 DEG C, and screw rod revolution is 35HZ, and concrete processing situation is as shown in the table.
comparative example 5
Take raw material by weight percentage: PP 25%, PPO(limiting viscosity is 1.0dl/g) 23%, compound flame redundant 12%, antimonous oxide 4%, through the alkali free glass fibre 30% of silane coupling agent process, maleic anhydride-g-SBS 5%, oxidation inhibitor 1,330 1%; The raw material taken is put into high-speed mixer and mixing 2 minutes, discharging; Use twin screw extruder extruding pelletization, wherein processing temperature is 220-240 DEG C, and screw rod revolution is 35HZ, and concrete processing situation is as shown in the table.
embodiment 10 performance test
The sample obtained to embodiment 1-9 and comparative example 1-5 adopts ASTM standard to carry out performance test, and test performance contrast is as shown in the table:
The PP/PPO alloy material that as can be seen from the above table prepared by the present invention has that GWIT value is higher, CTI value is higher, environmental protection, over-all properties equilibrium advantage, therefore can be widely used in the fields such as Low-voltage Electronic capacitor case, load break switch, carbon brush supports, breaker of plastic casing.
PP/PPO alloy material prepared by above embodiment 3-9 through performance test, experimental result shows that it has that GWIT value is higher, CTI value is higher equally, environmental protection, over-all properties equilibrium advantage.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the inventive method; can also make some improvement and supplement, these improve and supplement and also should be considered as protection scope of the present invention.
Claims (6)
1. high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen a PP/PPO alloy material, and it is characterized in that, described material is made up of the raw material of following 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 made up of the material of following weight percent: BPS 50%, magnesium hypophosphite 25%, talcum powder 25%;
Described glass fibre is the alkali free glass fibre of surface through silane coupling agent process;
Described compatilizer is maleic anhydride-g-SBS;
Described oxidation inhibitor is high molecular weight hindered phenols kind antioxidant;
Described oxide compound is ferric oxide.
2. high CTI value according to claim 1, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PPO alloy material, and it is characterized in that, described material is made up of the raw material of following 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 PP/PPO alloy material, and it is characterized in that, described material is made up of the raw material of following 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. strengthen PP/PPO alloy material according to the arbitrary described high CTI value of claim 1-3, high GWIT value environment-protection flame-proof fiberglass, it is characterized in that, the limiting viscosity of described PPO is 1.0dl/g.
5. high CTI value according to claim 1, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PPO alloy material, and it is characterized in that, described high molecular weight hindered phenols kind antioxidant is oxidation inhibitor 1330.
6. the preparation method of high CTI value according to claim 1, high GWIT value environment-protection flame-proof fiberglass enhancing PP/PPO alloy material, is characterized in that, comprise the following steps:
1) raw material is taken by weight percentage: 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) takes is put into high-speed mixer and mixing 2-5 minute, discharging;
3) use twin screw extruder extruding pelletization, wherein processing temperature is 220-240 DEG C, and screw rod revolution is 30-40HZ.
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| CN104277403A (en) * | 2013-07-02 | 2015-01-14 | 上海杰事杰新材料(集团)股份有限公司 | High-strength polyphenyl ether/polypropylene blended alloy material and preparation method thereof |
| CN103450657B (en) * | 2013-08-07 | 2016-01-13 | 上海日之升新技术发展有限公司 | Fire-retardant enhancing polyphenylene oxide/polypropylene alloy material and preparation method thereof |
| CN103408919B (en) * | 2013-08-08 | 2015-08-26 | 上海日之升新技术发展有限公司 | A kind of Flame-retardant polyphenyl ether/polypropylene alloy material and preparation method thereof |
| CN104059298B (en) * | 2014-05-09 | 2016-05-11 | 杭州捷尔思阻燃化工有限公司 | Halogen-free polypropylene flame redardant reinforced composite of a kind of resistance to lithium battery electrolytes and preparation method thereof |
| CN112778640A (en) * | 2020-12-30 | 2021-05-11 | 镇江长盈电气科技有限公司 | Flame-retardant material for high-temperature heat tracing pipe protective layer and preparation method thereof |
| CN117642466A (en) * | 2021-06-01 | 2024-03-01 | 菱环球聚甲醛株式会社 | Polyphenylene ether resin composition and molded article |
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| CN102417718A (en) * | 2011-11-24 | 2012-04-18 | 上海日之升新技术发展有限公司 | Glass fiber reinforcement polyphenyl ether/polypropylene alloy and production method thereof |
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| CN102108187A (en) * | 2009-12-28 | 2011-06-29 | 上海日之升新技术发展有限公司 | High glowing filament environmental-friendly inflaming retarding reinforced polybutylece terephthalate (PBT)/acrylonitrile butadiene styrene (ABS) alloy material and preparation method thereof |
| CN102417718A (en) * | 2011-11-24 | 2012-04-18 | 上海日之升新技术发展有限公司 | Glass fiber reinforcement polyphenyl ether/polypropylene alloy and production method thereof |
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