CN105820446B - A kind of aging-resistant flame-proof profax and preparation method thereof - Google Patents

A kind of aging-resistant flame-proof profax and preparation method thereof Download PDF

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Publication number
CN105820446B
CN105820446B CN201610363098.6A CN201610363098A CN105820446B CN 105820446 B CN105820446 B CN 105820446B CN 201610363098 A CN201610363098 A CN 201610363098A CN 105820446 B CN105820446 B CN 105820446B
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aging
resistant flame
proof
profax
parts
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CN105820446A (en
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唐洁净
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Ningbo speeda Electric Appliance Co., Ltd
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宁波普莱斯帝金属制品有限公司
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • 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
    • C08L23/14Copolymers of propene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/02Making granules by dividing preformed material
    • B29B9/06Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/9258Velocity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • 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
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/22Halogen free composition

Abstract

The invention discloses a kind of aging-resistant flame-proof profax and preparation method thereof, aging-resistant flame-proof profax includes the raw material components of following parts by weight:70~90 parts of polypropylene, MPP10~25 part, 2~10 parts of montmorillonite, 3~8 parts of aeroge, 5~10 parts of toughener, 0.5~0.8 part of antioxidant, 1~5 part of bismuth molybdate, 0.2~2 part of interfacial compatibilizer.Its preparation method includes process, the method such as batch mixing, metering extrusion, granulation and is simple and convenient to operate, so that each component uniformly mixes, and steady quality is reliable.Aging-resistant flame-proof profax of the present invention has excellent ageing resistace, fire resistance, resistance to low temperature, overcome the heavy metal pollution that chrome yellow is brought, lovely luster, Halogen, heavy metal free, it is widely used in the fields such as household electrical appliance, electronics, textile workpiece.

Description

A kind of aging-resistant flame-proof profax and preparation method thereof
Technical field
The invention belongs to technical field of polymer materials, is related to modified polymer material technology, more particularly to a kind of anti-ageing Change polypropylene flame redardant and preparation method thereof.
Background technology
Polypropylene material is widely used in electronic apparatus, medicine, food as one of widest general-purpose plastics of application amount Deng field, but polypropylene easily burns in itself, and has molten drop phenomenon to easily cause flame propagation.Polypropylene flame redardants numerous at present Technology is mainly based on halogen and antimony oxide compound system, good flame retardation effect, but amount of smoke is big when burning be present, release has The shortcomings that poisonous gas, easily cause secondary injury.Halogen-free polypropylene flame redardant is based especially on the halogen-free flameproof of expansibility flame-proof agent Polypropylene material, using phosphorus, nitrogenated flame retardant, reach heat-insulated, oxygen barrier, reduce smog, the effect of anti-drip, but fire-retardant effect be present The problems such as fruit is poor, resistance to low temperature is poor, ageing resistace difference.
Chinese patent CN103571041 is done fire-retardant using double (2, the 3- dibromopropyl) ethers of tetrabromobisphenol A with antimony oxide Agent, four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester antioxidant compounding are (2 '-hydroxyl -3 '-tertiary fourth Base -5 '-aminomethyl phenyl) -5- chlorinated benzotriazoles do anti-aging weather resisting agent, and material can be made to obtain certain flame retardant effect, but belong to Bromine system is fire-retardant, and addition is big, easily drippage, and exhaust gas volumn is big and irritant smell.
Chinese patent CN 102304250B use expansibility flame-proof agent APP, PER, MCA, and montmorillonite synergistic is fire-retardant to prepare one The high melting means halogen-free flame retardants of kind, Flame Retardancy can be good, but intensity is relatively low, and resistance to low temperature is poor, and ageing resistace is poor.
The content of the invention
The purpose of the present invention is overcome the deficiencies in the prior art, there is provided a kind of aging-resistant flame-proof profax and its preparation side Method.
The present invention is achieved through the following technical solutions:
The present invention relates to a kind of aging-resistant flame-proof profax, in parts by weight, including:
The polypropylene is COPP, and melt flow rate (MFR) is 3~15g/10min;The montmorillonite mesh number is 600 Mesh;The aeroge is aerosil powder;The MPP is melamine polyphosphate, N content 42~44%;The antioxygen Agent be weight percentage 1: 1: 1 Hinered phenols antioxidant 1010, phosphite ester kind antioxidant 168, ultraviolet-resistant absorbent UV327 mixture;The interfacial compatibilizer is Silane coupling agent KH550.
Further, the bismuth molybdate mesh number is 600 mesh, apparent density 1.6g/cm3
Further, the toughener is weight percentage 1: 1 ethylene-octene copolymer and the horse of polypropylene blend Maleic anhydride grafted copolymer;
Further, a kind of aging-resistant flame-proof profax, in parts by weight, including:
Further, the preparation method of the aging-resistant flame-proof profax, comprises the following steps:
Step 1: polypropylene, toughener, antioxidant, bismuth molybdate are weighed into raw material by proportioning, raw material is put into high-speed stirred Stir 2~3 minutes, discharge in machine, add twin-screw extrusion owner's feeding measurement hopper;
Step 2: montmorillonite, aeroge are weighed into raw material by proportioning, add in homogenizer, 2~3 points of stirring at low speed Zhong Hou, interfacial compatibilizer is added, 80 DEG C of temperature is set, high-speed stirred 3~5 minutes, discharging, twin-screw extrusion owner is added and feeds Expect an other weigh-hatching plant;
Step 3: by MPP joining side feeding measurement hoppers;
Step 4: above-mentioned material is extruded through double screw extruder, is granulated, 190~230 DEG C of temperature, screw speed 250 are set ~370rpm.
The main feeding measurement hopper is located at double screw extruder first paragraph heating cylinder;The side feeding measurement hopper position In the 6th section of heating cylinder of double screw extruder.
Beneficial effects of the present invention are as follows:
Aging-resistant flame-proof profax of the present invention has excellent fire resistance, resistance to low temperature, ageing resistace, Overcome the heavy metal pollution that chrome yellow is brought, Halogen, discharged without toxic gas during burning, bright in colour, MPP is in side feeding meter Measuring bin adds, and ensure that the stabilization of fire resistance, its fire resistance is V-0, -25 DEG C of low temperature notched impact strength >=6.2kJ/ m2, accelerated light ageing experiment in 2000 hours, mechanical strength retention rate >=80%.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.These embodiments are merely to illustrate the present invention and not had to In limitation the scope of the present invention.The experimental method of unreceipted actual conditions in the following example, generally according to normal condition, or is pressed According to the condition proposed by manufacturer.
In following examples, comparative example,
Polypropylene is COPP, and melt flow rate (MFR) is 3~15g/10min;
Antioxidant be weight percentage 1: 1: 1 Hinered phenols antioxidant 1010, phosphite ester kind antioxidant 168, anti-purple Ultraviolet absorbers UV327 mixture;
Interfacial compatibilizer is Silane coupling agent KH550;
Bismuth molybdate mesh number is 600 mesh, apparent density 1.6g/cm3
Toughener be weight percentage 1: 1 ethylene-octene copolymer and polypropylene blend maleic anhydride grafting altogether Polymers;
Main feeding measurement hopper is located at double screw extruder first paragraph heating cylinder;
Side feeding measurement hopper is located at the 6th section of heating cylinder of double screw extruder.
Embodiment 1
In the present embodiment, a kind of aging-resistant flame-proof profax, in parts by weight, including:
The preparation method of the aging-resistant flame-proof profax is as follows:
Step 1: polypropylene, toughener, antioxidant, bismuth molybdate are weighed into raw material by proportioning, raw material is put into high-speed stirred Stir 3 minutes, discharge in machine, add twin-screw extrusion owner's feeding measurement hopper;
Step 2: montmorillonite, aeroge are weighed into raw material by proportioning, add in homogenizer, stirring at low speed 2 minutes Afterwards, interfacial compatibilizer is added, 80 DEG C of temperature is set, high-speed stirred 5 minutes, discharging, it is another to add twin-screw extrusion owner's feeding An outer weigh-hatching plant;
Step 3: by MPP joining side feeding measurement hoppers;
Step 4: above-mentioned material is extruded through double screw extruder, is granulated, 190~230 DEG C of temperature, screw speed are set 250rpm。
Comparative example 1
In this comparative example, a kind of aging-resistant flame-proof profax, in parts by weight, including:
The preparation method of the aging-resistant flame-proof profax is as follows:
Step 1: polypropylene, toughener, antioxidant are weighed into raw material by proportioning, raw material is put into homogenizer and stirred Mix 3 minutes, discharge, add twin-screw extrusion owner's feeding measurement hopper;
Step 2: montmorillonite, aeroge are weighed into raw material by proportioning, add in homogenizer, stirring at low speed 2 minutes Afterwards, interfacial compatibilizer is added, 80 DEG C of temperature is set, high-speed stirred 5 minutes, discharging, it is another to add twin-screw extrusion owner's feeding An outer weigh-hatching plant;
Step 3: by MPP joining side feeding measurement hoppers;
Step 4: above-mentioned material is extruded through double screw extruder, is granulated, 190~230 DEG C of temperature, screw speed are set 250rpm。
The difference of comparative example 1 and embodiment 1 is, bismuth molybdate is not included in comparative example.
Embodiment 2
In the present embodiment, a kind of aging-resistant flame-proof profax, in parts by weight, including:
The preparation method of the aging-resistant flame-proof profax is as follows:
Step 1: polypropylene, toughener, antioxidant, bismuth molybdate are weighed into raw material by proportioning, raw material is put into high-speed stirred Stir 2 minutes, discharge in machine, add twin-screw extrusion owner's feeding measurement hopper;
Step 2: montmorillonite, aeroge are weighed into raw material by proportioning, add in homogenizer, stirring at low speed 3 minutes Afterwards, interfacial compatibilizer is added, 80 DEG C of temperature is set, high-speed stirred 3 minutes, discharging, it is another to add twin-screw extrusion owner's feeding An outer weigh-hatching plant;
Step 3: by MPP joining side feeding measurement hoppers;
Step 4: above-mentioned material is extruded through double screw extruder, is granulated, 190~230 DEG C of temperature, screw speed are set 370rpm。
Comparative example 2
In this comparative example, a kind of aging-resistant flame-proof profax, in parts by weight, including:
The preparation method of the aging-resistant flame-proof profax is as follows:
Step 1: polypropylene, toughener, antioxidant, bismuth molybdate are weighed into raw material by proportioning, raw material is put into high-speed stirred Stir 2 minutes, discharge in machine, add twin-screw extrusion owner's feeding measurement hopper;
Step 2: montmorillonite is added in homogenizer, stirring at low speed added interfacial compatibilizer after 3 minutes, set 80 DEG C of temperature, high-speed stirred 3 minutes, discharging, add the other weigh-hatching plant of twin-screw extrusion owner's feeding;
Step 3: by MPP joining side feeding measurement hoppers;
Step 4: above-mentioned material is extruded through double screw extruder, is granulated, 190~230 DEG C of temperature, screw speed are set 370rpm。
The difference of comparative example 2 and embodiment 2 is not including aeroge.
Embodiment 3
In the present embodiment, a kind of aging-resistant flame-proof profax, in parts by weight, including:
The preparation method of the aging-resistant flame-proof profax is as follows:
Step 1: polypropylene, toughener, antioxidant, bismuth molybdate are weighed into raw material by proportioning, raw material is put into high-speed stirred Stir 3 minutes, discharge in machine, add twin-screw extrusion owner's feeding measurement hopper;
Step 2: montmorillonite, aeroge are weighed into raw material by proportioning, add in homogenizer, stirring at low speed 3 minutes Afterwards, interfacial compatibilizer is added, 80 DEG C of temperature is set, high-speed stirred 5 minutes, discharging, it is another to add twin-screw extrusion owner's feeding An outer weigh-hatching plant;
Step 3: by MPP joining side feeding measurement hoppers;
Step 4: above-mentioned material is extruded through double screw extruder, is granulated, 190~230 DEG C of temperature, screw speed are set 370rpm。
Comparative example 3
In this comparative example, a kind of aging-resistant flame-proof profax, in parts by weight, including:
The preparation method of the aging-resistant flame-proof profax is as follows:
Polypropylene, toughener, antioxidant, bismuth molybdate, montmorillonite, aeroge, MPP are weighed into raw material by proportioning, added high In fast mixer, stirring at low speed added interfacial compatibilizer after 3 minutes, sets 80 DEG C of temperature, high-speed stirred 5 minutes, discharges, Twin-screw extrusion owner's feed hopper is added, material is extruded through double screw extruder, is granulated, and sets 190~230 DEG C of temperature, spiral shell Bar rotating speed 370rpm.
Comparative example 3 is preparation method difference compared with Example 3, after all materials are disposably well mixed, adds master Feeding measurement hopper, extrude, be granulated through double screw extruder.
The aging-resistant flame-proof profax performance that each embodiment obtains with comparative example see the table below:
In table, notch impact strength is tested by GB/T1843-2008 methods, and fire resistance is tested by UL94-2012 methods, Light aging test condition:Light source is hernia arc lamp, light intensity 0.50W/m2(340nm test points).
Upper table understands that the aging-resistant flame-proof profax prepared by embodiment 1~3 has higher intensity, and excellent is fire-retardant Performance, low temperature impact properties, notch impact strength retention rate >=80% after the experiment of 2000h xenon lamp agings;Do not added in comparative example 1 Bismuth molybdate, notch impact strength retention rate is only 35% after 2000h degradations, and therefore, the addition of bismuth molybdate is old to material light The raising for changing performance serves unexpected effect;Aeroge is not added in comparative example 2, fire resistance drops to V-2, because This, aeroge serves the fire-retardant effect of synergistic;In comparative example 3 each component be sufficiently mixed be directly added into main feed hopper extrusion, It is granulated, reducing in various degree occurs in material property, colour-darkening.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (5)

  1. A kind of 1. aging-resistant flame-proof profax, it is characterised in that in parts by weight, including:
    Wherein, the polypropylene is COPP, and melt flow rate (MFR) is 3~15g/10min;The montmorillonite mesh number is 600 mesh;The aeroge is aerosil powder;The MPP is melamine polyphosphate, N content 42~44%;It is described anti- Oxygen agent be weight percentage 1: 1: 1 Hinered phenols antioxidant 1010, phosphite ester kind antioxidant 168, ultraviolet-resistant absorbent UV327 mixture;The interfacial compatibilizer is Silane coupling agent KH550.
  2. 2. a kind of aging-resistant flame-proof profax according to claim 1, it is characterised in that the bismuth molybdate mesh number is 600 Mesh, apparent density 1.6g/cm3
  3. 3. a kind of aging-resistant flame-proof profax according to claim 1, it is characterised in that the toughener is weight percent The maleic anhydride graft copolymer of ethylene-octene copolymer and polypropylene blend than 1: 1.
  4. A kind of 4. aging-resistant flame-proof profax according to claim 1, it is characterised in that in parts by weight, including
  5. A kind of 5. preparation method of aging-resistant flame-proof profax according to claim 1, it is characterised in that including:
    Step 1: polypropylene, toughener, antioxidant, bismuth molybdate are weighed into raw material by proportioning, raw material is put into homogenizer Stirring 2~3 minutes, discharging, add twin-screw extrusion owner's feeding measurement hopper;
    Step 2: montmorillonite, aeroge weighed into raw material by proportioning, adding in homogenizer, stirring at low speed is after 2~3 minutes, Interfacial compatibilizer is added, 80 DEG C of temperature is set, high-speed stirred 3~5 minutes, discharging, it is another to add twin-screw extrusion owner's feeding An outer weigh-hatching plant;
    Step 3: by MPP joining side feeding measurement hoppers;
    Step 4: above-mentioned material is extruded through double screw extruder, is granulated, 190~230 DEG C of temperature of setting, screw speed 250~ 370rpm;
    The main feeding measurement hopper is located at double screw extruder first paragraph heating cylinder;The side feeding measurement hopper is positioned at double The 6th section of heating cylinder of screw extruder.
CN201610363098.6A 2016-05-20 2016-05-20 A kind of aging-resistant flame-proof profax and preparation method thereof Active CN105820446B (en)

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Publication number Priority date Publication date Assignee Title
CN107057180A (en) * 2016-12-22 2017-08-18 阜阳市三郁包装材料有限公司 Polypropylene flame redardant foamed board that a kind of hydridization rare earth silica aerogel is modified and preparation method thereof

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CN102531536A (en) * 2011-12-20 2012-07-04 冷水江三A化工有限责任公司 Flame retardant silica aerogel heat insulation composite material and preparation method thereof
CN103421240A (en) * 2013-07-19 2013-12-04 福建恒盛管业有限公司 Square single-wall corrugated pipe material for electric power
CN104760103A (en) * 2015-03-27 2015-07-08 中南林业科技大学 Ammonium polyphosphate/SiO2 composite aerogel flame-retardant reinforced timber and preparation method thereof
CN104844830A (en) * 2015-04-17 2015-08-19 上海英硕聚合材料股份有限公司 Aerogel composite modified fire retardant and preparation method and application thereof
CN105001510A (en) * 2015-07-02 2015-10-28 广州科苑新型材料有限公司 Low temperature resistant halogen-free flame-retardant light scattering polypropylene composition and preparation method thereof
CN105482165A (en) * 2015-12-11 2016-04-13 中冠电缆有限公司 Modified attapulgite for outdoor aerial cable material and preparation method thereof3-Isocyanatopropyltriethoxysilane

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CN1765973A (en) * 2004-10-29 2006-05-03 上海日之升新技术发展有限公司 Flame-proof polypropylene for electronic element and its preparation method
CN102531536A (en) * 2011-12-20 2012-07-04 冷水江三A化工有限责任公司 Flame retardant silica aerogel heat insulation composite material and preparation method thereof
CN103421240A (en) * 2013-07-19 2013-12-04 福建恒盛管业有限公司 Square single-wall corrugated pipe material for electric power
CN104760103A (en) * 2015-03-27 2015-07-08 中南林业科技大学 Ammonium polyphosphate/SiO2 composite aerogel flame-retardant reinforced timber and preparation method thereof
CN104844830A (en) * 2015-04-17 2015-08-19 上海英硕聚合材料股份有限公司 Aerogel composite modified fire retardant and preparation method and application thereof
CN105001510A (en) * 2015-07-02 2015-10-28 广州科苑新型材料有限公司 Low temperature resistant halogen-free flame-retardant light scattering polypropylene composition and preparation method thereof
CN105482165A (en) * 2015-12-11 2016-04-13 中冠电缆有限公司 Modified attapulgite for outdoor aerial cable material and preparation method thereof3-Isocyanatopropyltriethoxysilane

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