CN105504519A - Halogen-free environment-friendly flame-retardant polyolefin master batch for replacing bromine-containing flame retardant and preparation method of master batch - Google Patents

Halogen-free environment-friendly flame-retardant polyolefin master batch for replacing bromine-containing flame retardant and preparation method of master batch Download PDF

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CN105504519A
CN105504519A CN201610047768.3A CN201610047768A CN105504519A CN 105504519 A CN105504519 A CN 105504519A CN 201610047768 A CN201610047768 A CN 201610047768A CN 105504519 A CN105504519 A CN 105504519A
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master batch
halogen
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李海
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Shanghai Jiemian New Material Technology Co Ltd
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    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/10Homopolymers or copolymers of propene
    • C08L23/12Polypropene
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/20Compounding polymers with additives, e.g. colouring
    • C08J3/22Compounding polymers with additives, e.g. colouring using masterbatch techniques
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    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
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    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/16Nitrogen-containing compounds
    • C08K5/34Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477Six-membered rings
    • C08K5/3492Triazines
    • C08K5/34924Triazines containing cyanurate groups; Tautomers thereof
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    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00Use of pretreated ingredients
    • C08K9/04Ingredients treated with organic substances
    • C08K9/06Ingredients treated with organic substances with silicon-containing compounds
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10Homopolymers or copolymers of propene
    • C08J2323/12Polypropene
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/10Homopolymers or copolymers of propene
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/32Phosphorus-containing compounds
    • C08K2003/321Phosphates
    • C08K2003/322Ammonium phosphate
    • C08K2003/323Ammonium polyphosphate
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    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L2201/08Stabilised against heat, light or radiation or oxydation
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Abstract

The invention relates to a halogen-free environment-friendly flame-retardant polyolefin master batch for replacing bromine-containing flame retardant and a preparation method of the master batch. The master batch is prepared from, by weight, 90-100 parts of carrier resin, 200-420 parts of halogen-free flame retardant, 1.5-3 parts of a cladding treatment agent, 65-100 parts of a synergistic agent and 0.1-0.5 part of antioxidant. The preparation method comprises the steps of sufficiently treating the halogen-free flame retardant with the cladding treatment agent, then uniformly mixing the halogen-free flame retardant with the carrier resin, the synergistic agent and the antioxidant, then conducting extraction through a double-screw extruder or a mixer, and cutting the product into granules, so that the halogen-free environment-friendly flame-retardant polyolefin master batch is obtained. Compared with the prior art, the product prepared through the preparation method has more excellent flame retardancy, environmental protection performance and processability, is free of corrosion or precipitation and resistant to high temperature and high humidity, has universality and is quite applicable to shells of small household appliances and electronic and electric products, shells of printed circuit boards, shells of motors, shells of electric control centers and the like.

Description

Substitute brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch and preparation method thereof
Technical field
The present invention relates to technical field of polymer materials, especially relate to a kind of alternative brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch and preparation method thereof.
Background technology
Polyolefin resin is often referred to the polymkeric substance of ethene, propylene or higher alkene, is excellent property, broad-spectrum thermoplastic resin, is widely used in the aspects such as film, monofilament, electric wire, automotive industry, household electrical appliance, electronics, packaging and building materials.But polyolefin resin is very sensitive to environmental stress, heat aging property is poor, especially its inflammableness, and this significantly limit its application in some field.
The interpolation of fire retardant effectively can solve the inflammable problem of polyolefin resin, and widely used is in the market the composite or chloride fire retardant of bromine class and antimony class.But this based flame retardant can produce harmful material in the course of processing, Long Term Contact can damage HUMAN HEALTH, also can cause corrosion, cost of equipment maintenance is increased to the core processing component of equipment, and it is also more serious that goods separate out phenomenon.In addition, the price of this based flame retardant is very high, and its poor universality, uses inconvenience.Along with country is to the raising of environmental requirement, the reinforcement of people's environmental consciousness, has the wide market requirement for the halogen-free environment-friendly flame-proof material substituting brominated fire retardant polyolefin.
Chinese patent CN105037879A discloses a kind of for polyolefinic fire-retardant master granule and preparation method, the component of this invention is halogen-free flame retardants, polyolefine, antioxidant, coupling condenser agent, product has flame retardant properties, has water-fast, workability energy and weather resistance simultaneously.Chinese patent CN104744778A discloses a kind of polyethylene anti-flaming master batch and preparation method thereof, and this invention component is polyvinyl resin, polyphosphoric acid amine, EVA wax, oxidation inhibitor, aluminium titanium composite coupler, and obtained product has low cigarette, Halogen and environment protecting.Chinese patent CN103012904A discloses a kind of halogen-free flame-retardant master batch, component is polyolefin carrier, silicone oil, coupling agent, halogen-free flame retardants, and the halogen-free flame-retardant master batch good mechanical performance of preparation, water-tolerant, physical and mechanical properties be excellent, be easy to processing deposits.Although above patent can reach certain requirement in the flame retardant resistance of material, as on the master batch of addition type, just shortcoming is a lot, the processing temperature of tolerance, the addition that master batch uses, the dispersiveness of master batch, the mechanical property of material, versatility has obvious defect.Master batch prepared by the present invention, has higher tolerable temperature 230 degree, and the master batch preparing gained is lower with the addition of vector resin, and the master batch prepared with the present invention and resin-bonded use and can reach better flame retardant resistance and mechanical property.
Summary of the invention
Object of the present invention is exactly the defect existed to overcome above-mentioned prior art, and provides a kind of alternative brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch having more flame retardant resistance, the feature of environmental protection, processibility, non-corrosiveness and versatility and preparation method thereof.
Object of the present invention can be achieved through the following technical solutions:
Substitute a brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch, adopt the raw material of following component and weight part content to prepare:
Vector resin 90-100, halogen-free flame retardants 200-420, coated treatment agent 1.5-3, synergist 65-100, oxidation inhibitor 0.1-0.5.
Described vector resin is polyolefine or ethylene octane copolymer, is selected from one or more mixtures of polypropylene, polyethylene, ethylene-vinyl acetate copolymer or terpolymer EP rubber.
The polymerization degree of described halogen-free flame retardants is greater than 1000, particle diameter is less than 5 microns, be selected from two or more mixtures of polycondensation ammonium phosphate, polyphosphoric acid salt, calcium propionate, trimeric cyanamide, melamine polyphosphate, melamine cyanurate or Tripolycyanamide hydrobromide, preferred degree of polymerization is 2000-5000, and particle diameter is the ammonium phosphate of 1-3 micron, polyphosphoric acid salt or calcium propionate.
Described coated treatment agent is selected from one or more mixtures of silicone, silicone oil, silane, silane coupling agent or titanate coupling agent, is preferably titanate coupling agent.
Described synergist is selected from the one of phosphoric acid ester, phosphate ester polymer, maleic anhydride grafts, branched chain fatty acid calcium, silicone compounds, metal complex, polymer hindered phenol, synthetic or natural polyhydroxy compound, polyhydroxy phosphate oligopolymer, polyester hydroxyl compound or polyether diols compound.
Symmetric form alkyl list phenol or the polyphenol of described polymer hindered phenol to be molecular weight be 500-3000,
Described synthetic or natural polyhydroxy compound comprise synthetic or natural hexahydroxy-melamine resin, trihydroxyethyl isocyanic ester, polyol phosphoric acid ester, polyester hydroxyl compound or polyether diols.
Described oxidation inhibitor is selected from one or both mixtures in irgasfos 168, oxidation inhibitor 1098 or antioxidant 1010.
Substitute the preparation method of brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch, adopt following steps:
(1) fully process halogen-free flame retardants with coated treatment agent, more fully mix with vector resin, synergist, oxidation inhibitor;
(2) said mixture is added in twin screw extruder or mixing roll, extrudes pelletizing, obtain halogen-free environment-friendly flame-proof master batch,
The screw slenderness ratio of twin screw extruder is 40-46, and twin screw extruder each district temperature range is 170-220 DEG C.
Pelletizing mode adopts the one of water-cooled pelletizing, air-cooled flour milling pelletizing or the pelletizing of water ring flour milling.
Compared with prior art, the present invention, owing to not adopting inorganic fillers, does not lose the mechanical property of material; The coated treatment agent adopted, the master batch prepared, processing temperature that is dispersed and that tolerate has remarkable lifting, if do not adopt above-mentioned coated treatment agent, especially do not adopt titanate coupling agent, due to adding of mineral filler, the shock resistance of material can be reduced.Do not have titanate coupling agent, in the thermoplastic polymer of polyolefine and so on, transesterification reaction occurs, reactive behavior can be caused lower, dispersed and consistency reduces.Therefore, the product that the application obtains has more excellent flame retardant resistance, the feature of environmental protection, processibility, non-corrosiveness, nothing precipitation, high-temp resisting high-humidity resisting and versatility.Be highly suitable for the shell of small household appliances, electronic apparatus, printed-wiring board (PWB) housing, motor housing, electronic management system shell etc.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
A kind of alternative brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch and preparation method thereof, adopts following steps:
The first step: get the raw materials ready according to following component and weight: polypropylene T30S100, polycondensation ammonium phosphate (polymerization degree 1600) 240, trimeric cyanamide cyanogen urea acid 100, silane coupling agent 2.5, silicone compounds 20, synthetic polyol 2, irgasfos 168 0.3.
Second step: halogen-free flame retardants polycondensation ammonium phosphate is fully mixed in mixing machine with silane coupling agent, silicone compounds, fully mix through high-speed mixer with remaining component polypropylenes, synergist, oxidation inhibitor again, join in parallel dual-screw extruding machine, carry out extruding pelletization, dual-screw-stem machine each district temperature is 170 DEG C-175 DEG C-180 DEG C-185 DEG C-195 DEG C-210 DEG C-210 DEG C-210 DEG C-220 DEG C-220 DEG C-220 DEG C, the screw slenderness ratio of twin screw extruder is 44, adopt air-cooled flour milling pelletizing, namely obtain halogen-free environment-friendly flame-proof master batch.
3rd step: mixed with polypropylene by halogen-free environment-friendly flame-proof masterbatch, proportioning is: polypropylene T30S90, polypropylene 800610, halogen-free environment-friendly flame-proof masterbatch 32.By injection moulding or mechanics and the test of vertical combustion test bars of extruding the standard of being processed into.
Embodiment 2
A kind of alternative brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch and preparation method thereof, adopts following steps:
The first step: get the raw materials ready according to following component and weight: polypropylene 8002100, polyphosphoric acid salt (polymerization degree 2000) 300, trimeric cyanamide 100, titanate coupling agent 3, silicone 20, polyhydroxy phosphate oligopolymer 4, antioxidant 1010 0.8.
Second step: halogen-free flame retardants is fully mixed in mixing machine with titanate coupling agent, silicone, fully mix through high-speed mixer with remaining component polypropylenes, synergist, oxidation inhibitor again, join in parallel dual-screw extruding machine, carry out extruding pelletization, dual-screw-stem machine each district temperature is 170 DEG C-175 DEG C-180 DEG C-185 DEG C-195 DEG C-210 DEG C-210 DEG C-210 DEG C-220 DEG C-220 DEG C-220 DEG C, the screw slenderness ratio of twin screw extruder is 46, to its air-cooled flour milling pelletizing, namely obtain halogen-free environment-friendly flame-proof master batch.
3rd step: mixed with polypropylene by halogen-free environment-friendly flame-proof masterbatch again, proportioning is: polypropylene 8006100, halogen-free environment-friendly flame-proof masterbatch 42.By injection moulding or mechanics and the test of vertical combustion test bars of extruding the standard of being processed into.
Embodiment 3
A kind of alternative brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch and preparation method thereof, adopts following steps:
The first step: get the raw materials ready according to following component and weight: polypropylene T30S100, polyphosphoric acid amine (polymerization degree 1200) 280, Tripolycyanamide hydrobromide 700, silicone oil 20, polyester hydroxyl oligopolymer 6, antioxidant 1010 0.2, irgasfos 168 0.3.
Second step: halogen-free flame retardants is fully mixed in mixing machine with silicone oil, fully mix through high-speed mixer with remaining component polypropylenes, synergist, oxidation inhibitor again, join in parallel dual-screw extruding machine, carry out extruding pelletization, dual-screw-stem machine each district temperature is 170 DEG C-175 DEG C-180 DEG C-185 DEG C-195 DEG C-210 DEG C-210 DEG C-210 DEG C-220 DEG C-220 DEG C-220 DEG C, the screw slenderness ratio of twin screw extruder is 42, to its air-cooled flour milling pelletizing, namely obtains halogen-free environment-friendly flame-proof master batch.
3rd step: mixed with polypropylene by halogen-free environment-friendly flame-proof masterbatch again, proportioning is: polypropylene T30S100, halogen-free environment-friendly flame-proof masterbatch 35.
Comparative example 1
Adopt the raw material of a proportioning more common in the market: polypropylene 800247, TDE 25, antimonous oxide 10, weighting material (talcum powder or calcium carbonate) 13, antioxidant 1010 5.First above-mentioned all material is mixed through mixing machine according to proportioning, join extruding pelletization in parallel dual-screw extruding machine again, the screw slenderness ratio of twin screw extruder is 40, dual-screw-stem machine each district temperature is 170 DEG C-175 DEG C-180 DEG C-185 DEG C-195 DEG C-210 DEG C-210 DEG C-210 DEG C-220 DEG C-220 DEG C-220 DEG C, then to its water cooling rear haulage pelletizing.The material will prepared again, is injection molded into mechanics and the test of vertical combustion test bars of standard by injection moulding machine.
Table 1 standard mechanics and vertical combustion test result
As shown in Table 1, embodiment compares ratio, and under the prerequisite that flame retardant properties is identical, its physicals, mechanical property, the feature of environmental protection all significantly exceed comparative example.Material in embodiment is lighter than comparative example 20%, and its cost saves 20% than comparative example, the pelletizing aspect of this external processing link, and the present invention adopts the air-cooled flour milling pelletizing of more environmental protection, and advantage is fairly obvious.Material in comparative example is a a large amount of material for small household appliances, electronic apparatus shell, printed-wiring board (PWB) housing, motor housing and electronic management system shell that versatility is very strong in the market, and therefore the present invention has very vast potential for future development.
Embodiment 4
A kind of alternative brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch and preparation method thereof, adopts following steps:
Get the raw materials ready according to following component and weight: the polyethylene of 90 weight parts, the calcium propionate of 200 weight parts, its polymerization degree is 1200, particle diameter 3 microns, the oxidation inhibitor 1098 of the silicone oil of 1.5 weight parts, the silicone compounds of 65 weight parts, 0.1 weight part;
Halogen-free flame retardants calcium propionate is fully mixed in mixing machine with silicone oil, fully mix through high-speed mixer with remaining component polyethylene, silicone compounds, oxidation inhibitor 1098 again, then join in parallel dual-screw extruding machine, dual-screw-stem machine each district temperature is 170 DEG C-175 DEG C-180 DEG C-185 DEG C-195 DEG C-210 DEG C-210 DEG C-210 DEG C-220 DEG C-220 DEG C-220 DEG C, the screw slenderness ratio of twin screw extruder is 45, adopt air-cooled flour milling pelletizing, namely obtain halogen-free environment-friendly flame-proof master batch.
Embodiment 5
A kind of alternative brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch and preparation method thereof, adopts following steps:
Get the raw materials ready according to following component and weight: the polyethylene of 95 weight parts, the trimeric cyanamide of 300 weight parts, its polymerization degree is 1500, particle diameter 2 microns, the irgasfos 168 of the silicone oil of 2 weight parts, the polymer hindered phenol of 85 weight parts, 0.3 weight part;
Non-halogen Flame Retardant Melamine is fully mixed in mixing machine with silicone oil, fully mix through high-speed mixer with remaining component polyethylene, polymer hindered phenol, irgasfos 168 again, join in parallel dual-screw extruding machine, dual-screw-stem machine each district temperature is 170 DEG C-175 DEG C-180 DEG C-185 DEG C-195 DEG C-210 DEG C-210 DEG C-210 DEG C-220 DEG C-220 DEG C-220 DEG C, the screw slenderness ratio of twin screw extruder is 44, adopt air-cooled flour milling pelletizing, namely obtain halogen-free environment-friendly flame-proof master batch.
Embodiment 6
A kind of alternative brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch and preparation method thereof, adopts following steps:
Get the raw materials ready according to following component and weight: the polyethylene of 100 weight parts, the trimeric cyanamide of 420 weight parts, its polymerization degree is 1600, particle diameter 2 microns, the irgasfos 168 of the silicone of 3 weight parts, the silicone compounds of 100 weight parts, 0.5 weight part;
Non-halogen Flame Retardant Melamine is fully mixed in mixing machine with silicone, fully mix through high-speed mixer with remaining component polyethylene, silicone compounds, irgasfos 168 again, join in parallel dual-screw extruding machine, dual-screw-stem machine each district temperature is 170 DEG C-175 DEG C-180 DEG C-185 DEG C-195 DEG C-210 DEG C-210 DEG C-210 DEG C-220 DEG C-220 DEG C-220 DEG C, the screw slenderness ratio of twin screw extruder is 46, adopt air-cooled flour milling pelletizing, namely obtain halogen-free environment-friendly flame-proof master batch.

Claims (10)

1. substitute a brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch, it is characterized in that, adopt the raw material of following component and weight part content to prepare:
Vector resin 90-100, halogen-free flame retardants 200-420, coated treatment agent 1.5-3, synergist 65-100, oxidation inhibitor 0.1-0.5.
2. a kind of alternative brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch according to claim 1, it is characterized in that, described vector resin is polyolefine or ethylene octane copolymer, is selected from one or more mixtures of polypropylene, polyethylene, ethylene-vinyl acetate copolymer or terpolymer EP rubber.
3. a kind of alternative brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch according to claim 1, it is characterized in that, the polymerization degree of described halogen-free flame retardants is greater than 1000, particle diameter is less than 5 microns, be selected from two or more mixtures of polycondensation ammonium phosphate, polyphosphoric acid salt, calcium propionate, trimeric cyanamide, melamine polyphosphate, melamine cyanurate or Tripolycyanamide hydrobromide, preferred degree of polymerization is 2000-5000, and particle diameter is the ammonium phosphate of 1-3 micron, polyphosphoric acid salt or calcium propionate.
4. a kind of alternative brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch according to claim 1, it is characterized in that, described coated treatment agent is selected from one or more mixtures of silicone, silicone oil, silane, silane coupling agent or titanate coupling agent, is preferably titanate coupling agent.
5. a kind of alternative brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch according to claim 1, it is characterized in that, described synergist is selected from the one of phosphoric acid ester, phosphate ester polymer, maleic anhydride grafts, branched chain fatty acid calcium, polymer hindered phenol, synthetic or natural polyhydroxy compound, polyhydroxy phosphate oligopolymer, polyester hydroxyl compound or polyether diols compound.
6. a kind of alternative brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch according to claim 5, is characterized in that,
Symmetric form alkyl list phenol or the polyphenol of described polymer hindered phenol to be molecular weight be 500-3000,
Described synthetic or natural polyhydroxy compound comprise synthetic or natural hexahydroxy-melamine resin, trihydroxyethyl isocyanic ester, polyol phosphoric acid ester, polyester hydroxyl compound or polyether diols.
7. a kind of alternative brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch according to claim 1, it is characterized in that, described oxidation inhibitor is selected from one or both mixtures in irgasfos 168, oxidation inhibitor 1098 or antioxidant 1010.
8. the preparation method substituting brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch according to claim 1, is characterized in that, the method adopts following steps:
(1) fully process halogen-free flame retardants with coated treatment agent, more fully mix with vector resin, synergist, oxidation inhibitor;
(2) said mixture is added in twin screw extruder or mixing roll, extrudes pelletizing, obtain halogen-free environment-friendly flame-proof master batch.
9. a kind of preparation method substituting brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch according to claim 8, it is characterized in that, the screw slenderness ratio of described twin screw extruder is 40-46, and twin screw extruder each district temperature range is 170-220 DEG C.
10. according to claim 8ly a kind ofly substitute the preparation method of brominated fire-retardant halogen-free environment-friendly flame-proof polyolefin master batch, it is characterized in that, pelletizing mode adopts the one of water-cooled pelletizing, air-cooled flour milling pelletizing or the pelletizing of water ring flour milling.
CN201610047768.3A 2016-01-25 2016-01-25 Halogen-free environment-friendly flame-retardant polyolefin master batch for replacing bromine-containing flame retardant and preparation method of master batch Pending CN105504519A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107459707A (en) * 2017-08-01 2017-12-12 苏州羽凡工程塑料有限公司 PP efficient concentration fire-retardant master granules
CN110483898A (en) * 2019-09-29 2019-11-22 上海化工研究院有限公司 A kind of resistance to precipitation halogen-free flame retardants of high fluidity and its preparation method and application
CN110607029A (en) * 2019-10-09 2019-12-24 江苏万纳普新材料科技有限公司 Special halogen-free flame-retardant synergistic functional master batch for polyolefin resin modification and preparation method thereof
CN110964259A (en) * 2019-09-04 2020-04-07 上海日之升科技有限公司 Efficient halogen-free flame-retardant master batch with polypropylene carrier and preparation method thereof
CN115322530A (en) * 2022-08-10 2022-11-11 江阴市龙山合成材料有限公司 Halogen-free flame-retardant enhanced PBT and processing technology thereof

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Publication number Priority date Publication date Assignee Title
CN107459707A (en) * 2017-08-01 2017-12-12 苏州羽凡工程塑料有限公司 PP efficient concentration fire-retardant master granules
CN110964259A (en) * 2019-09-04 2020-04-07 上海日之升科技有限公司 Efficient halogen-free flame-retardant master batch with polypropylene carrier and preparation method thereof
CN110964259B (en) * 2019-09-04 2022-07-29 上海日之升科技有限公司 Efficient halogen-free flame-retardant master batch with polypropylene carrier and preparation method thereof
CN110483898A (en) * 2019-09-29 2019-11-22 上海化工研究院有限公司 A kind of resistance to precipitation halogen-free flame retardants of high fluidity and its preparation method and application
CN110607029A (en) * 2019-10-09 2019-12-24 江苏万纳普新材料科技有限公司 Special halogen-free flame-retardant synergistic functional master batch for polyolefin resin modification and preparation method thereof
CN110607029B (en) * 2019-10-09 2022-12-27 江苏万纳普新材料科技有限公司 Special halogen-free flame-retardant synergistic functional master batch for polyolefin resin modification and preparation method thereof
CN115322530A (en) * 2022-08-10 2022-11-11 江阴市龙山合成材料有限公司 Halogen-free flame-retardant enhanced PBT and processing technology thereof

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