CN104004269A - Foaming enhancement halogen-free flame retardant polypropylene and preparation method of foaming enhancement halogen-free flame retardant polypropylene - Google Patents

Foaming enhancement halogen-free flame retardant polypropylene and preparation method of foaming enhancement halogen-free flame retardant polypropylene Download PDF

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Publication number
CN104004269A
CN104004269A CN201410260862.8A CN201410260862A CN104004269A CN 104004269 A CN104004269 A CN 104004269A CN 201410260862 A CN201410260862 A CN 201410260862A CN 104004269 A CN104004269 A CN 104004269A
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parts
halogen
foaming
polypropylene
temperature
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CN104004269B (en
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成文俊
蔡铜祥
孙龙飞
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Shanghai Yueda New Material Technology Co., Ltd.
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Jiangsu Yueda Novel Material Science And Technology Ltd
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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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
    • 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
    • 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
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/32—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/20—Carboxylic acid amides
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
    • C08K5/52—Phosphorus bound to oxygen only
    • C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
    • C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92714—Degree of crosslinking, solidification, crystallinity or homogeneity
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised 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
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/22—Halogen free composition

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a high molecular material, and particularly relates to foaming enhancement halogen-free flame retardant polypropylene and a preparation method of the foaming enhancement halogen-free flame retardant polypropylene. The foaming enhancement halogen-free flame retardant polypropylene comprises, by weight, 20-80 parts of polypropylene, 2-7 parts of foaming agents, 5-10 parts of enhancing agents, 20-50 parts of fire retardants, 0.1-2 parts of antioxygen, 20-40 parts of padding and 0.01-0.1 parts of antismoke agents. The foaming agents are compounds of inflatable microballoons MSH-500, F-78KD and F-36D, and the enhancing agents are grapheme with the surface processed with titanate coupling agents. By means of the foaming enhancement halogen-free flame retardant polypropylene and the preparation method, the microballoons with different foaming capacities and different swelling capacities are compounded to foam the polypropylene, and the polypropylene with the excellent foaming ratio is obtained. Meanwhile, graphene made of the new materials serves as enhancing materials, and the strength and the modulus of the polypropylene can be effectively improved.

Description

A kind of foaming strengthens halogen-free polypropylene flame redardant and preparation method thereof
Technical field
The present invention relates to a kind of macromolecular material, particularly a kind of foaming strengthens the preparation method of halogen-free polypropylene flame redardant.
Background technology
Polypropylene is a kind of thermoplastics of excellent property, has excellent processibility, and chemical resistant properties and physical strength are widely used in the Application Areass such as electronic apparatus, aerospace, petrochemical complex, colliery traffic.
Porous plastics principal item has urethane, polystyrene and foamed polyolefine plastic three major types.There is harmful residue in polyurathamc, and cannot recycle in foaming process; Softening and distortion occurs when polystyrene foam uses more than 105 DEG C, and polystyrene and polyethylene also seldom use more than 100 DEG C, and the heat-drawn wire of polypropylene foam higher (more than 110 DEG C) can be used in hot environment; The static load ability of polypropylene foam is better than polyethylene, and amorphous polystyrene is at room temperature in vitreous state, and impact property is poor, and because polypropylene foam is easy to recycle, its environment friendly is better than other foam materials.Based on above-mentioned advantage, polypropylene foam material especially has competitive power in the application of automotive industry and food packaging industry in the application of many industrial circles, can substitute existing polystyrene and polyethylene just, and prospect is boundless.The expanded polypropylene providing on market in use has a lot of aspects not fully up to expectations, and as the aspect such as plasticity, toughness, the phenomenons such as product fracture in use often occur in enterprise.Graphene is a kind of novel Two-dimensional Carbon nano material, has high intensity, has far-reaching prospect as a kind of novel toughener.Polypropylene oxygen index is very low, very easily burning, and particularly expanded molded article incendivity compared with non-expanded molded article is higher, so plain polypropylene foam material has the incendive shortcoming of appearance.All require to there is flame retardant resistance or self-gravitation for material of construction, automobile component and electronic apparatus parts in recent years, therefore give the flame retardant resistance that polypropylene foam material is certain and just seem very important.
Summary of the invention
Technical barrier to be solved by this invention is, overcomes the deficiencies in the prior art, provides a kind of foaming to strengthen halogen-free polypropylene flame redardant and preparation method thereof, can greatly improve intensity and the flame retardant resistance of polypropylene material.
Technical solution of the present invention is, the composition of raw materials by following parts by weight proportioning: 20～80 parts of polypropylene, 2～7 parts of whipping agents, 5～10 parts of tougheners, fire retardant 20～50,0.1～2 part, oxidation inhibitor, 20～40 parts of fillers, 0.01～0.1 part of smoke suppressor; Described whipping agent is the compound of expended microsphere MSH-500, F-78KD and F-36D; Described toughener is the Graphene of surface through titanate coupling agent processing.
Described polyacrylic degree of crystallinity is that 50%～60%, MFR is 10g/10min.
Described fire retardant is organic silicon fibre retardant; Described oxidation inhibitor is N, and N'-is two-and to be that 5:1 ~ 3:1 is composite according to weight ratio form (3-(3,5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine and three [2,4-di-tert-butyl-phenyl] phosphorous acid ester; Described filler is the calcium carbonate surface-treated through silane coupling agent; Described smoke suppressor is that molybdenum is smoke suppressor.
Step of preparation process is as follows: first proportioning takes raw material by weight, at high speed high-speed mixer and mixing 10～15min, then extruding pelletization in twin screw extruder; The rotating speed of twin screw extruder is 200～350rpm/min, and one section of temperature is 170～180 DEG C, and two sections of temperature are 190～200 DEG C, three sections of temperature are 200～230 DEG C, four sections of temperature are 220～230 DEG C, and five sections of temperature are 180～190 DEG C, finally obtain foaming and strengthen halogen-free anti-flaming polypropylene material.
Compared with prior art, the advantage possessing is in the present invention:
(1) the present invention adopts novel graphite alkene nano material as strongthener, can effectively improve polyacrylic intensity and modulus;
(2) the present invention adopts that the microballoon of three kinds of different frothing percentages, different turgiditys is composite to foam to polypropylene, obtains the polypropylene of excellent expansion ratio.
Embodiment
Below the preferred embodiments of the present invention are described in detail, so that content characteristic of the present invention is easy to be understood by the researchist in this area, thereby protection scope of the present invention are made to more full and accurate defining.
Embodiment 1:
Foaming of the present invention strengthens halogen-free anti-flaming polypropylene material, its component by weight, choose 20 parts of polypropylene, 2 parts of whipping agents, 5 parts of tougheners, 20 parts of fire retardants, 0.1 part, oxidation inhibitor, 20 parts of fillers, 0.01 part of smoke suppressor, first proportioning takes raw material by weight, at high speed high-speed mixer and mixing 10min, then extruding pelletization in twin screw extruder, the rotating speed of twin screw extruder is 200rpm/min, one section of temperature is 170～180 DEG C, two sections of temperature are 190～200 DEG C, three sections of temperature are 200～230 DEG C, four sections of temperature are 220～230 DEG C, five sections of temperature are 180～190 DEG C, finally obtain foaming and strengthen halogen-free anti-flaming polypropylene material.
Wherein said polypropylene is that degree of crystallinity is that 50%～60%, MFR is 10g/10min;
Described whipping agent is the compound of expended microsphere MSH-500 and F-78KD and F-36D;
Described toughener is the Graphene of surface through titanate coupling agent processing;
Described fire retardant is organic silicon fibre retardant;
Described oxidation inhibitor is by N, and N'-is two-and to be that 5:1 ~ 3:1 is composite according to mass ratio form (3-(3,5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine and three [2,4-di-tert-butyl-phenyl] phosphorous acid ester;
Described filler is the calcium carbonate surface-treated through silane coupling agent;
Described smoke suppressor is that molybdenum is smoke suppressor.
Embodiment 2:
Material is identical with embodiment 1, and wherein proportioning is as follows by weight for material component: 20 parts of polypropylene, 2 parts of whipping agents, 6 parts of tougheners, 20 parts of fire retardants, 0.2 part, oxidation inhibitor, 30 parts of fillers, 0.01 part of smoke suppressor;
Preparation method: first proportioning takes raw material by weight, at high speed high-speed mixer and mixing 15min, then extruding pelletization in twin screw extruder, the rotating speed of twin screw extruder is 200rpm/min, and one section of temperature is 170～180 DEG C, and two sections of temperature are 190～200 DEG C, three sections of temperature are 200～230 DEG C, four sections of temperature are 220～230 DEG C, and five sections of temperature are 180～190 DEG C, finally obtain foaming and strengthen halogen-free anti-flaming polypropylene material.
Embodiment 3:
Material is identical with embodiment 1, and wherein proportioning is as follows by weight for material component: 30 parts of polypropylene, 3 parts of whipping agents, 7 parts of tougheners, 30 parts of fire retardants, 0.2 part, oxidation inhibitor, 40 parts of fillers, 0.02 part of smoke suppressor;
Preparation method: first proportioning takes raw material by weight, at high speed high-speed mixer and mixing 10min, then extruding pelletization in twin screw extruder, the rotating speed of twin screw extruder is 200rpm/min, and one section of temperature is 170～180 DEG C, and two sections of temperature are 190～200 DEG C, three sections of temperature are 200～230 DEG C, four sections of temperature are 220～230 DEG C, and five sections of temperature are 180～190 DEG C, finally obtain foaming and strengthen halogen-free anti-flaming polypropylene material.
Embodiment 4:
Material is identical with embodiment 1, and wherein proportioning is as follows by weight for material component: 50 parts of polypropylene, 5 parts of whipping agents, 9 parts of tougheners, 30 parts of fire retardants, 0.4 part, oxidation inhibitor, 40 parts of fillers, 0.03 part of smoke suppressor.
Preparation method: first proportioning takes raw material by weight, at high speed high-speed mixer and mixing 15min, then extruding pelletization in twin screw extruder, the rotating speed of twin screw extruder is 250rpm/min, and one section of temperature is 170～180 DEG C, and two sections of temperature are 190～200 DEG C, three sections of temperature are 200～230 DEG C, four sections of temperature are 220～230 DEG C, and five sections of temperature are 180～190 DEG C, finally obtain foaming and strengthen halogen-free anti-flaming polypropylene material.
Embodiment 5:
Material is identical with embodiment 1, and wherein proportioning is as follows by weight for material component: 60 parts of polypropylene, 7 parts of whipping agents, 10 parts of tougheners, 50 parts of fire retardants, 2 parts, oxidation inhibitor, 40 parts of fillers, 0.08 part of smoke suppressor.
Preparation method: first proportioning takes raw material by weight, at high speed high-speed mixer and mixing 15min, then extruding pelletization in twin screw extruder, the rotating speed of twin screw extruder is 200rpm/min, and one section of temperature is 170～180 DEG C, and two sections of temperature are 190～200 DEG C, three sections of temperature are 200～230 DEG C, four sections of temperature are 220～230 DEG C, and five sections of temperature are 180～190 DEG C, finally obtain foaming and strengthen halogen-free anti-flaming polypropylene material.
Embodiment 6:
Material is identical with embodiment 1, and wherein proportioning is as follows by weight for material component: 80 parts of polypropylene, and 7 parts of whipping agents, 10 parts of tougheners, 50 parts of fire retardants, 2 parts, oxidation inhibitor, 40 parts of fillers, 0.1 part of smoke suppressor.
Preparation method: first proportioning takes raw material by weight, at high speed high-speed mixer and mixing 15min, then extruding pelletization in twin screw extruder, the rotating speed of twin screw extruder is 300rpm/min, and one section of temperature is 170～180 DEG C, and two sections of temperature are 190～200 DEG C, three sections of temperature are 200～230 DEG C, four sections of temperature are 220～230 DEG C, and five sections of temperature are 180～190 DEG C, finally obtain foaming and strengthen halogen-free anti-flaming polypropylene material.

Claims (4)

1. foaming strengthens a halogen-free polypropylene flame redardant, it is characterized in that: the composition of raw materials by following parts by weight proportioning: 20～80 parts of polypropylene, 2～7 parts of whipping agents, 5～10 parts of tougheners, fire retardant 20～50,0.1～2 part, oxidation inhibitor, 20～40 parts of fillers, 0.01～0.1 part of smoke suppressor; Described whipping agent is the compound of expended microsphere MSH-500, F-78KD and F-36D; Described toughener is the Graphene of surface through titanate coupling agent processing.
2. foam and strengthen a preparation method for halogen-free polypropylene flame redardant, it is characterized in that: step of preparation process is as follows: first proportioning takes raw material by weight, at high speed high-speed mixer and mixing 10～15min, then extruding pelletization in twin screw extruder; The rotating speed of twin screw extruder is 200～350rpm/min, and one section of temperature is 170～180 DEG C, and two sections of temperature are 190～200 DEG C, three sections of temperature are 200～230 DEG C, four sections of temperature are 220～230 DEG C, and five sections of temperature are 180～190 DEG C, finally obtain foaming and strengthen halogen-free anti-flaming polypropylene material.
3. a kind of foaming as claimed in claim 1 or 2 strengthens halogen-free polypropylene flame redardant and preparation method thereof, it is characterized in that: described polyacrylic degree of crystallinity is that 50%～60%, MFR is 10g/10min.
4. a kind of foaming as claimed in claim 1 or 2 strengthens halogen-free polypropylene flame redardant and preparation method thereof, it is characterized in that: described fire retardant is organic silicon fibre retardant; Described oxidation inhibitor is N, and N'-is two-and to be that 5:1 ~ 3:1 is composite according to weight ratio form (3-(3,5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine and three [2,4-di-tert-butyl-phenyl] phosphorous acid ester; Described filler is the calcium carbonate surface-treated through silane coupling agent; Described smoke suppressor is that molybdenum is smoke suppressor.
CN201410260862.8A 2014-06-13 2014-06-13 A kind of foaming strengthens halogen-free polypropylene flame redardant and preparation method thereof Expired - Fee Related CN104004269B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108192211A (en) * 2017-12-30 2018-06-22 杭州高烯科技有限公司 A kind of preparation method of graphene-polypropylene composite materials expanded material
CN111087693A (en) * 2019-12-25 2020-05-01 上海金发科技发展有限公司 Low-density low-dielectric hydrophobic polypropylene composite material and preparation method thereof
CN113150441A (en) * 2021-04-14 2021-07-23 华南理工大学 Carbon fiber reinforced polypropylene foam composite material and preparation method thereof

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CN102888053A (en) * 2011-07-21 2013-01-23 中国石油化工股份有限公司 Halogen-free flame-retardant polypropylene foam material and preparation method thereof
CN103087404A (en) * 2011-10-31 2013-05-08 上海杰事杰新材料(集团)股份有限公司 Graphene filled polymer matrix composite material and its preparation method
CN103694542A (en) * 2013-12-30 2014-04-02 广州石头造环保科技有限公司 High-fill high-resilience soft expanded polyethylene material and preparation method thereof
CN103772824A (en) * 2014-01-24 2014-05-07 南通红石科技发展有限公司 Low-smoke flame retardant polypropylene material and preparation method thereof

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CN102888053A (en) * 2011-07-21 2013-01-23 中国石油化工股份有限公司 Halogen-free flame-retardant polypropylene foam material and preparation method thereof
CN103087404A (en) * 2011-10-31 2013-05-08 上海杰事杰新材料(集团)股份有限公司 Graphene filled polymer matrix composite material and its preparation method
CN103694542A (en) * 2013-12-30 2014-04-02 广州石头造环保科技有限公司 High-fill high-resilience soft expanded polyethylene material and preparation method thereof
CN103772824A (en) * 2014-01-24 2014-05-07 南通红石科技发展有限公司 Low-smoke flame retardant polypropylene material and preparation method thereof

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CN108192211A (en) * 2017-12-30 2018-06-22 杭州高烯科技有限公司 A kind of preparation method of graphene-polypropylene composite materials expanded material
CN111087693A (en) * 2019-12-25 2020-05-01 上海金发科技发展有限公司 Low-density low-dielectric hydrophobic polypropylene composite material and preparation method thereof
CN113150441A (en) * 2021-04-14 2021-07-23 华南理工大学 Carbon fiber reinforced polypropylene foam composite material and preparation method thereof

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