CN102643478A - Halogen-free flame-retarding long glass fiber reinforced polypropylene material and preparation method thereof - Google Patents
Halogen-free flame-retarding long glass fiber reinforced polypropylene material and preparation method thereof Download PDFInfo
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- CN102643478A CN102643478A CN2012101099956A CN201210109995A CN102643478A CN 102643478 A CN102643478 A CN 102643478A CN 2012101099956 A CN2012101099956 A CN 2012101099956A CN 201210109995 A CN201210109995 A CN 201210109995A CN 102643478 A CN102643478 A CN 102643478A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
-
- 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
- B29C48/397—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 a single screw
-
- 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
-
- 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
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
-
- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Abstract
The invention discloses a halogen-free flame-retarding long glass fiber reinforced polypropylene material and a preparation method thereof. The halogen-free flame-retarding long glass fiber reinforced polypropylene material consists of 49-88.8 wt% of polypropylene, 0.1-0.5 wt% of heat stabilizer, 0.1-0.5 wt% of processing aid, 5-20 wt% of halogen-free flame retardant, 1-5 wt% of compatilizer and 5-25 wt% of long glass fiber. The preparation method of the halogen-free flame-retarding long glass fiber reinforced polypropylene material comprises the following steps of: plasticizing part of the polypropylene and the compatilizer through a single screw extruder, and then conveying the plasticized polypropylene and compatilizer to a high-temperature fusant groove; plasticizing the rest of the polypropylene, the heat stabilizer, the processing aid and the halogen-free flame retardant through the single screw extruder, and then, conveying the plasticized product to a low-temperature fusant groove; and importing the long glass fiber into the high-temperature fusant groove and the low-temperature fusant groove in sequence, and then, dragging, infiltrating and graining. The halogen-free flame-retarding long glass fiber reinforced polypropylene material has ultrahigh flowability, an excellent flame-retarding effect, high mechanical strength, low shrinkage rate, high dimensional stability, creepage resistance and favorable thermal oxidative ageing performance.
Description
Technical field
The present invention relates to a kind of halogen-free flame-retardant long glass fiber reinforced polypropylene material and preparation method thereof, belong to macromolecular material and forming process field thereof.
Background technology
The main effect of engine lower guard board is that protection engine sump tank and correlated parts are avoided rubble to impact and collided with; The impact performance demands is very high; Want anti-mover and vapor pipe radiating high temperature and winter environment low temperature simultaneously, flame retardant properties is had certain requirement.All be with the metal foil made traditionally.But metallic substance density is big, and part weighs 10 kilograms, and complete processing is loaded down with trivial details, the design freedom wretched insufficiency, and it is low to make integrated degree, does not meet the modular requirement of trolley part, and in addition, engine lower guard board adopts the metallic substance rubble to impact can produce noise.
Along with developing of automobile industry; Long glass fiber reinforced polypropylene is because the advantage of its excellent anti-creep, anti-dynamic fatigue, high rigidity and a step injection moulding; Replace the production that SMC, BMC, GMT and metallic substance are applied to backplate at the bottom of the mover gradually; But backplate is also increasingly high to the requirement of flame retardant rating at the bottom of the mover; For example in Dragon Lord D45 1333 standards C4 grade regulation requirement of extinguishing automatically, and along with the development of world's environment-protecting industrial, fire retardant is non-halogen to be trend of the times.
The fine Vestolen PP 7052 halogen-free flameproof of long wave mainly is to adopt fine polypropylene agglomerate of long wave and halogen-free flame retardants master batch to carry out simple blend at present; Fire retardant was inhomogeneous in each site distribution of component after this technology caused injection-molded finished product easily, thereby caused its flame retardant properties heterogeneity.Therefore, development set is functional, flame retardant resistance is imperative in the fine polypropylene material of the homogeneous long wave of one.
Summary of the invention
Backplate is with macromolecular material and preparation method thereof at the bottom of the purpose of this invention is to provide a kind of mover, to overcome the defective that prior art exists, satisfies the needs of backplate material development at the bottom of the motor car engine.
In order to achieve the above object, the invention provides a kind of halogen-free flame-retardant long glass fiber reinforced polypropylene material, it is characterized in that, form by following component by weight percentage:
Vestolen PP 7052 49-88.8%;
Thermo-stabilizer 0.1-0.5%;
Processing aid 0.1-0.5%;
Halogen-free flame retardants 5-20%;
Compatilizer 1-5%;
Long glass fibres 5-25%.
Preferably, said polyacrylic melt flow rate(MFR) is 50-1000g/10min.
Preferably, described thermo-stabilizer is the mixture class of phenols, amine, phosphorous acid esters, half Hinered phenols, acryl functional group and monothioester and any one or a few the mixture in the calixarene.
Preferably, described processing aid is any one or a few the mixture in low molecule ester class, metallic soap class, Triple Pressed Stearic Acid complex ester class and the amides.
Preferably, described halogen-free flame retardants is a P-N type halogen-free environment-friendly type expanding fire retardant.
Preferably; Described compatilizer is the polar monomer graftomer; Its polymeric matrix is the mixture of any one or two kinds in multipolymer, polyethylene-polystyrene-polypropylene terpolymer, ethylene-propylene-butadiene terpolymer, ethylene-acrylate copolymer and the ethylene-acrylate-glycidyl methacrylate copolymer of Vilaterm, Vestolen PP 7052, ethene-α-ethylene-octene copolymer, vinylbenzene and divinyl, and its polar monomer is any one or a few the mixture in maleic anhydride and analogue and vinylformic acid and the ester derivative thereof.
Preferably, described long glass fibres is the alkali-free continuous glass fibre.
The present invention also provides above-mentioned halogen-free flame-retardant long glass fiber reinforced polypropylene preparation methods, it is characterized in that concrete steps are following:
The first step: Vestolen PP 7052, the compatilizer of 4-40% weight are transported to the high-temperature fusant groove through single screw extrusion machine plasticizing back through port mould, and temperature is 280-380 ℃ in the groove;
Second step: will remain Vestolen PP 7052, thermo-stabilizer, processing aid, halogen-free flame retardants and be transported to the low-temperature melt groove through single screw extrusion machine plasticizing back through port mould, the interior temperature of groove is 180-220 ℃;
The 3rd step: after long glass fibres imported high-temperature fusant groove in the first step, low-temperature melt groove in second step successively with the speed of 20-100m/min, traction was soaked into, pelletizing.
Preferably, the length of said high-temperature fusant groove and said low-temperature melt groove is 1-4m.
Further, the length of said high-temperature fusant groove is 2m, and the length of said low-temperature melt groove is 1m.
Raw material of the present invention adopts the acrylic resin of ultra high melt flow rate; Be fit to big automobile component product of injection moulding thin-walled, because the not halogen-containing phosphorus nitrogen of this material use is expanding fire retardant, meet the Rochs laws and regulations requirement simultaneously; Be the novel environment friendly material, can relievedly do the outlet product fully.In addition, the effect of the thermo-stabilizer among the present invention is the degraded that produces in the inhibition course of processing; The effect of processing aid is to improve its processing characteristics; The effect of compatilizer is the consistency that increases spun glass and polymeric matrix.
The present invention has solved the easy layering of traditional colour mixture product, the unsettled shortcoming of flame retardant properties through improving existing ME.Therefore, material provided by the invention has super-high fluidity, the excellent fire retardant effect; High mechanical strength; Low-shrinkage, high-dimensional stability, anti-creep and good thermal-oxidative aging property; Satisfy the design requirements of high temperature rigid, rubble impelling strength and the planeness of engine lower guard board product, realized the application on the thin-walled massive plate part of halogen-free flame-retardant long glass fiber reinforced polypropylene material in the high temperature installation environment.Through detection, material spiral linear flow length>=1000mm provided by the invention, flame retardant properties can reach C4 (the extinguishing automatically) flame retardant rating of the D45 of Dongfeng Automobile 1333, tensile strength>=100MPa, modulus in flexure>=6500MPa, notched Izod impact strength>=35KJ/m
2, heat-drawn wire>=150 ℃, and thermo-oxidative ageing (150 ℃, 1000hr) back draft strength retention>=90%.
Embodiment
Further specify the present invention through embodiment below.
Embodiment 1
The first step: the Vestolen PP 7052, the 1 kilogram of compatilizer (CA-100, Exxon Mobil) that are 50g/10min with 4 kilograms of melt flow rate(MFR)s are transported to the high-temperature fusant groove through single screw extrusion machine plasticizing back through port mould, and temperature is arranged on 320 ℃ in the groove;
Second step: with 84.8 kilograms of melt flow rate(MFR)s be 50g/10min Vestolen PP 7052,0.1 kilogram of thermo-stabilizer (Irganox1010; CIBA company), 0.1 kilogram of processing aid (EB-FF; Japanese Kao), 5 kilograms of halogen-free flame retardants (FP-2200; Manufacturer) be transported to the low-temperature melt groove through single screw extrusion machine plasticizing back through port mould, temperature is arranged on 185 ℃ in the groove;
The 3rd step: 5 kilograms of alkali-free continuous glass fibres are passed through high-temperature fusant groove and the low-temperature melt groove in second step in the first step successively with the speed of 25mm/min, after long glass fibres draws and soaks into, be cut into the particle of the long homogeneous of 12mm with dicing machine from melt tank.The high-temperature fusant slot length is 2m, and the low-temperature melt slot length is 1m.
By its performance of respective standard test, tabulate as follows:
| Performance | Unit | Testing standard | Test result |
| Flame retardant properties | / | D45?1333 | C4 (extinguishing automatically) |
| The spiral linear flow is long | mm | / | 1100 |
| HDT(1.80MPa) | ℃ | ISO75/1-93 | 155 |
| Tensile strength | MPa | ISO527/2-93 | 102 |
| Modulus in flexure | MPa | ISO178/2-93 | 6800 |
| Notched Izod impact strength | KJ/m 2 | ISO179/2-93 | 38 |
| Stretching strength retentivity (150 ℃, 1000hr) | ％ | ISO527/2-93 | 92 |
Embodiment 2
The first step: the Vestolen PP 7052, the 2 kilograms of compatilizers (Bondyram1001) that are 100g/10min with 8 kilograms of melt flow rate(MFR)s are transported to the high-temperature fusant groove through single screw extrusion machine plasticizing back through port mould, and temperature is arranged on 350 ℃ in the groove;
Second step: with 69.6 kilograms of melt flow rate(MFR)s Vestolen PP 7052 that is 100g/10min, (Irganox 1010 for 0.2 kilogram of thermo-stabilizer; CIBA company), 0.2 kilogram of processing aid (EB-FF; Japanese Kao), 10 kilograms of halogen-free flame retardants FP-2200 are transported to the low-temperature melt groove through single screw extrusion machine plasticizing back through port mould, temperature is arranged on 190 ℃ in the groove;
The 3rd goes on foot: the low-temperature melt groove during 10 kilograms of alkali-free continuous glass fibres are gone on foot through the high-temperature fusant groove in the first step and second with 40mm/min speed successively; Long glass fibres is cut into the long homogeneous particle of 12mm with special-purpose dicing machine after from melt tank, drawing and soaking into.The high-temperature fusant slot length is 2m, and the low-temperature melt slot length is 1m.
By its performance of respective standard test, tabulate as follows:
| Performance | Unit | Testing standard | Test result |
| Flame retardant properties | / | D45?1333 | C4 (extinguishing automatically) |
| The spiral linear flow is long | mm | / | 1200 |
| ?HDT(1.80MPa) | ℃ | ISO75/1-93 | 156 |
| Tensile strength | MPa | ISO527/2-93 | 105 |
| Modulus in flexure | MPa | ISO178/2-93 | 6700 |
| Notched Izod impact strength | KJ/m 2 | ISO179/2-93 | 39 |
| Stretching strength retentivity (150 ℃, 1000hr) | ％ | ISO527/2-93 | 95 |
Embodiment 3
The first step: the Vestolen PP 7052, the 3 kilograms of compatilizers (Bondyram1001) that are 180g/10min with 12 kilograms of melt flow rate(MFR)s are transported to the high-temperature fusant groove through single screw extrusion machine plasticizing back through port mould, and temperature is arranged on 360 ℃ in the groove;
Second step: with 54.4 kilograms of melt flow rate(MFR)s Vestolen PP 7052 that is 180g/10min, (Irganox 1010 for 0.3 kilogram of thermo-stabilizer; CIBA company), 0.3 kilogram of processing aid (EB-FF; Japanese Kao), 15 kilograms of halogen-free flame retardants FP-2200 are transported to the low-temperature melt groove through single screw extrusion machine plasticizing back through port mould, temperature is arranged on 200 ℃ in the groove;
The 3rd step: with high-temperature fusant groove in the 60m/min speed process the first step successively and the low-temperature melt groove in second step, long glass fibres is cut into the long homogeneous particle of 12mm with special-purpose dicing machine after from melt tank, drawing and soaking into 15 kilograms of alkali-free continuous glass fibres.The high-temperature fusant slot length is 2m, and the low-temperature melt slot length is 1m.
By its performance of respective standard test, tabulate as follows:
| Performance | Unit | Testing standard | Test result |
| Flame retardant properties | / | D45?1333 | C4 (extinguishing automatically) |
| The spiral linear flow is long | mm | / | 1180 |
| ?HDT(1.80MPa) | ℃ | ISO75/1-93 | 158 |
| Tensile strength | MPa | ISO527/2-93 | 111 |
| Modulus in flexure | MPa | ISO178/2-93 | 6900 |
| Notched Izod impact strength | KJ/m 2 | ISO179/2-93 | 38 |
| Stretching strength retentivity (150 ℃, 1000hr) | ％ | ISO527/2-93 | 97 |
Embodiment 4
The first step: the Vestolen PP 7052, the 4 kilograms of compatilizers (Bondyram1001) that are 300g/10min with 16 kilograms of melt flow rate(MFR)s are transported to the high-temperature fusant groove through single screw extrusion machine plasticizing back through port mould, and temperature is arranged on 370 ℃ in the groove;
Second step: with 39.2 kilograms of melt flow rate(MFR)s Vestolen PP 7052 that is 300g/10min, (Irganox 1010 for 0.4 kilogram of thermo-stabilizer; CIBA company), 0.4 kilogram of processing aid (EB-FF; Japanese Kao), 20 kilograms of halogen-free flame retardants FP-2200 are transported to the low-temperature melt groove through single screw extrusion machine plasticizing back through port mould, temperature is arranged on 210 ℃ in the groove;
The 3rd step: with high-temperature fusant groove in the 70m/min speed process the first step successively and the low-temperature melt groove in second step, long glass fibres is cut into the long homogeneous particle of 12mm with special-purpose dicing machine after from melt tank, drawing and soaking into 20 kilograms of alkali-free continuous glass fibres.The high-temperature fusant slot length is 2m, and the low-temperature melt slot length is 1m.
By its performance of respective standard test, tabulate as follows:
| Performance | Unit | Testing standard | Test result |
| Flame retardant properties | / | D45?1333 | C4 (extinguishing automatically) |
| The spiral linear flow is long | mm | / | 1400 |
| HDT(1.80MPa) | ℃ | ISO75/1-93 | 158 |
| Tensile strength | MPa | ISO527/2-93 | 108 |
| Modulus in flexure | MPa | ISO178/2-93 | 6700 |
| Notched Izod impact strength | KJ/m 2 | ISO179/2-93 | 39 |
| Stretching strength retentivity (150 ℃, 1000hr) | ％ | ISO527/2-93 | 96 |
Embodiment 5
The first step: the Vestolen PP 7052, the 5 kilograms of compatilizers (CA-100, Exxon Mobil) that are 1000g/10min with 20 kilograms of melt flow rate(MFR)s are transported to the high-temperature fusant groove through single screw extrusion machine plasticizing back through port mould, and temperature is arranged on 380 ℃ in the groove;
Second step: with 29 kilograms of melt flow rate(MFR)s be 1000g/10min Vestolen PP 7052,0.5 kilogram of thermo-stabilizer (Irganox1010; CIBA company), 0.5 kilogram of processing aid (EB-FF; Japanese Kao), 20 kilograms of halogen-free flame retardants FP-2200 are transported to the low-temperature melt groove through single screw extrusion machine plasticizing back through port mould, temperature is arranged on 220 ℃ in the groove;
The 3rd step: with high-temperature fusant groove in the 80m/min speed process the first step successively and the low-temperature melt groove in second step, long glass fibres is cut into the long homogeneous particle of 12mm with special-purpose dicing machine after from melt tank, drawing and soaking into 25 kilograms of alkali-free continuous glass fibres.The high-temperature fusant slot length is 2m, and the low-temperature melt slot length is 1m.
By its performance of respective standard test, tabulate as follows:
| Performance | Unit | Testing standard | Test result |
| Flame retardant properties | / | D45?1333 | C4 (extinguishing automatically) |
| The spiral linear flow is long | mm | / | 1700 |
| HDT(1.80MPa) | ℃ | ISO75/1-93 | 159 |
| Tensile strength | MPa | ISO527/2-93 | 115 |
| Modulus in flexure | MPa | ISO178/2-93 | 6900 |
| Notched Izod impact strength | KJ/m 2 | ISO179/2-93 | 41 |
| Stretching strength retentivity (150 ℃, 1000hr) | ％ | ISO527/2-93 | 95 |
Claims (10)
1. a halogen-free flame-retardant long glass fiber reinforced polypropylene material is characterized in that, is made up of following component by weight percentage:
Vestolen PP 7052 49-88.8%;
Thermo-stabilizer 0.1-0.5%;
Processing aid 0.1-0.5%;
Halogen-free flame retardants 5-20%;
Compatilizer 1-5%;
Long glass fibres 5-25%.
2. a kind of halogen-free flame-retardant long glass fiber reinforced polypropylene material as claimed in claim 1 is characterized in that said polyacrylic melt flow rate(MFR) is 50-1000g/10min.
3. a kind of halogen-free flame-retardant long glass fiber reinforced polypropylene material as claimed in claim 1; It is characterized in that described thermo-stabilizer is the mixture class of phenols, amine, phosphorous acid esters, half Hinered phenols, acryl functional group and monothioester and any one or a few the mixture in the calixarene.
4. a kind of halogen-free flame-retardant long glass fiber reinforced polypropylene material as claimed in claim 1 is characterized in that, described processing aid is any one or a few the mixture in low molecule ester class, metallic soap class, Triple Pressed Stearic Acid complex ester class and the amides.
5. a kind of halogen-free flame-retardant long glass fiber reinforced polypropylene material as claimed in claim 1 is characterized in that, described halogen-free flame retardants is a P-N type halogen-free environment-friendly type expanding fire retardant.
6. a kind of halogen-free flame-retardant long glass fiber reinforced polypropylene material as claimed in claim 1; It is characterized in that; Described compatilizer is the polar monomer graftomer; Its polymeric matrix is the mixture of any one or two kinds in multipolymer, polyethylene-polystyrene-polypropylene terpolymer, ethylene-propylene-butadiene terpolymer, ethylene-acrylate copolymer and the ethylene-acrylate-glycidyl methacrylate copolymer of Vilaterm, Vestolen PP 7052, ethene-α-ethylene-octene copolymer, vinylbenzene and divinyl, and its polar monomer is any one or a few the mixture in maleic anhydride and analogue and vinylformic acid and the ester derivative thereof.
7. a kind of halogen-free flame-retardant long glass fiber reinforced polypropylene material as claimed in claim 1 is characterized in that described long glass fibres is the alkali-free continuous glass fibre.
8. the described a kind of halogen-free flame-retardant long glass fiber reinforced polypropylene preparation methods of claim 1 is characterized in that concrete steps are following:
The first step: Vestolen PP 7052, the compatilizer of 4-40% weight are transported to the high-temperature fusant groove through single screw extrusion machine plasticizing back through port mould, and temperature is 280-380 ℃ in the groove;
Second step: will remain Vestolen PP 7052, thermo-stabilizer, processing aid, halogen-free flame retardants and be transported to the low-temperature melt groove through single screw extrusion machine plasticizing back through port mould, the interior temperature of groove is 180-220 ℃;
The 3rd step: after long glass fibres imported high-temperature fusant groove in the first step, low-temperature melt groove in second step successively with the speed of 20-100m/min, traction was soaked into, pelletizing.
9. a kind of halogen-free flame-retardant long glass fiber reinforced polypropylene preparation methods as claimed in claim 8 is characterized in that the length of said high-temperature fusant groove and said low-temperature melt groove is 1-4m.
10. a kind of halogen-free flame-retardant long glass fiber reinforced polypropylene preparation methods as claimed in claim 9 is characterized in that the length of said high-temperature fusant groove is 2m, and the length of said low-temperature melt groove is 1m.
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| CN105482255A (en) * | 2015-12-30 | 2016-04-13 | 上海普利特复合材料股份有限公司 | Environment-friendly flame-retardant long-glass-fiber-reinforced polypropylene composite material and preparation method thereof |
| JP2017095648A (en) * | 2015-11-27 | 2017-06-01 | 株式会社Adeka | Flame retardant resin composition |
| CN107603021A (en) * | 2017-10-20 | 2018-01-19 | 今创集团股份有限公司 | The traffic interior trim manufacturing process of fibre-reinforced thermoplastic's plate and the application thermoplastic plate |
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| CN104059287A (en) * | 2013-03-22 | 2014-09-24 | 上海金发科技发展有限公司 | Continuous long fiber thermoplastic polypropylene compound specially used for automobile air bag frame and preparation method thereof |
| CN103275389A (en) * | 2013-04-25 | 2013-09-04 | 深圳市兴盛迪新材料有限公司 | Long-glass fiber polypropylene composition and preparation method thereof |
| CN104177709A (en) * | 2013-05-20 | 2014-12-03 | 常熟卡斯玛因厨具有限公司 | Halogen-free flame-retardant conductive polypropylene composite material |
| US10435540B2 (en) | 2014-12-22 | 2019-10-08 | Sabic Global Technologies B.V. | Flame retardant long glass fibre reinforced polypropylene composition |
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| CN105061896A (en) * | 2015-08-20 | 2015-11-18 | 贵州大学 | Halogen-free flame-retardant LGFPP (long glass fiber reinforced polypropylene) material and preparation method thereof |
| CN105131430A (en) * | 2015-10-15 | 2015-12-09 | 贵州大学 | Halogen-free flame-retardant long-glass-fiber reinforced polypropylene composite |
| JP2017095648A (en) * | 2015-11-27 | 2017-06-01 | 株式会社Adeka | Flame retardant resin composition |
| CN105482255A (en) * | 2015-12-30 | 2016-04-13 | 上海普利特复合材料股份有限公司 | Environment-friendly flame-retardant long-glass-fiber-reinforced polypropylene composite material and preparation method thereof |
| WO2018090802A1 (en) * | 2016-11-16 | 2018-05-24 | 金发科技股份有限公司 | Glass fiber-reinforced, halogen-free, and flame-retardant polypropylene material and preparation method and application of same |
| CN108070143A (en) * | 2016-11-16 | 2018-05-25 | 金发科技股份有限公司 | A kind of fiber glass reinforced halogen-free flame retardant polypropylene material and preparation method and application |
| CN108070143B (en) * | 2016-11-16 | 2020-06-23 | 金发科技股份有限公司 | Glass fiber reinforced halogen-free flame-retardant polypropylene material and preparation method and application thereof |
| CN108864562A (en) * | 2017-05-11 | 2018-11-23 | 神华集团有限责任公司 | Polypropene composition, enhancing anti-flaming anti-static electricity polypropylene and preparation method thereof and product |
| CN107603021A (en) * | 2017-10-20 | 2018-01-19 | 今创集团股份有限公司 | The traffic interior trim manufacturing process of fibre-reinforced thermoplastic's plate and the application thermoplastic plate |
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