CN102241857A - Polypropylene flame-retardant masterbatch material and preparation method thereof - Google Patents
Polypropylene flame-retardant masterbatch material and preparation method thereof Download PDFInfo
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- CN102241857A CN102241857A CN2010102925899A CN201010292589A CN102241857A CN 102241857 A CN102241857 A CN 102241857A CN 2010102925899 A CN2010102925899 A CN 2010102925899A CN 201010292589 A CN201010292589 A CN 201010292589A CN 102241857 A CN102241857 A CN 102241857A
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 84
- -1 Polypropylene Polymers 0.000 title claims abstract description 73
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 72
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 72
- 239000000463 material Substances 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title abstract description 22
- 239000004594 Masterbatch (MB) Substances 0.000 title abstract description 8
- 239000000314 lubricant Substances 0.000 claims abstract description 20
- 229920000092 linear low density polyethylene Polymers 0.000 claims abstract description 15
- 239000004707 linear low-density polyethylene Substances 0.000 claims abstract description 15
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 12
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 12
- 239000003112 inhibitor Substances 0.000 claims description 24
- 230000003647 oxidation Effects 0.000 claims description 24
- 238000007254 oxidation reaction Methods 0.000 claims description 24
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000002131 composite material Substances 0.000 claims description 11
- 239000008187 granular material Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 6
- 238000005469 granulation Methods 0.000 claims description 6
- 230000003179 granulation Effects 0.000 claims description 6
- 150000002989 phenols Chemical class 0.000 claims description 5
- 150000008301 phosphite esters Chemical class 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical group CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 3
- 239000012757 flame retardant agent Substances 0.000 claims description 3
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 235000019260 propionic acid Nutrition 0.000 claims description 3
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 3
- 229920005629 polypropylene homopolymer Polymers 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002861 polymer material Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 8
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 7
- 238000005453 pelletization Methods 0.000 description 6
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 241001062009 Indigofera Species 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000957 no side effect Toxicity 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical class OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- 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
- B29C48/92—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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
-
- 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
- B29C2948/92561—Time, e.g. start, termination, duration or interruption
-
- 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
-
- 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
- B29C2948/92904—Die; Nozzle zone
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention relates to the technical field of polymer materials and discloses a polypropylene flame-retardant masterbatch material and a preparation method thereof. The polypropylene flame-retardant masterbatch material comprises the following materials: polypropylene, linear low-density polyethylene, a flame retardant, white oil, a lubricant and an antioxidant. One purpose of the invention is to provide the polypropylene flame-retardant masterbatch material which has the advantages of good flame-retardant effect and low cost; and the other purpose of the invention is to provide the preparation method of the polypropylene flame-retardant masterbatch material.
Description
Technical field
The present invention relates to technical field of polymer materials, relate in particular to a kind of polypropylene fire retardant agglomerate material and preparation method.
Background technology
Polypropylene (PP) is one of five big general-purpose plastics, have that production cost is low, comprehensive mechanical property good, nontoxic, corrosion-resistant, be easy to advantages such as recovery, be widely used in fields such as chemical industry, chemical fibre, building, packing.But because polypropylene belongs to inflammable material, along with it is widely applied, the fire hazard that brings thus is also increasing, and to give the polypropylene material flame retardant properties just very important and necessary for this reason.
In the polypropylene fire retardant modification, fire retardant directly mixed problems such as being faced with raw material dispersion inequality, dust pollution with polypropylene.And preparation polypropylene fire retardant master batch can also reduce the cost of producing polypropylene flame redardant when overcoming the above problems.
TDE is a kind of use range wide spectrum additive flame retardant widely, its bromine content height, and Heat stability is good, anti-ultraviolet property is good, exudative low than other bromide fire retardants.Do not produce deleterious many bromos dibenzo dioxan and PBDF when TDE thermo-cracking or burning, with its fire-retardant material environment is not worked the mischief, and there is not any toxicity, can not produce any teratogenecity to biology, aquatic organism such as fish etc. is had no side effect compliance with environmental protection requirements.
Antimonous oxide is the fire retardant of using the earliest, be applicable to Resins, epoxy, urethane, chloroprene rubber, polystyrene, polyvinyl chloride, polyester etc., consumption wants big when using separately, flame retardant effect poor (unless fire-retardant thing Halogen), when with halogen thing and time spent good synergistic being arranged then, flame retardant effect obviously improves.In fact antimonous oxide is the fire retardant synergist that generally uses, with the ratio of halogen thing with 3: 1 the bests.
Summary of the invention
The purpose of this invention is to provide a kind of polypropylene fire retardant agglomerate material, this material good flame retardation effect, and cost is low.
Another object of the present invention provides a kind of preparation method of polypropylene fire retardant agglomerate material.
To achieve these goals, technical scheme of the present invention is:
A kind of polypropylene fire retardant agglomerate material, form by following material:
Polypropylene, linear low density polyethylene, fire retardant, white oil, lubricant and oxidation inhibitor.
Alternatively, described polypropylene fire retardant agglomerate material is made by following material by weight percentage:
Polypropylene 6%;
Linear low density polyethylene 10%;
Fire retardant 80%;
White oil 1.7%;
Lubricant 2%;
Oxidation inhibitor 0.3%.
Alternatively, described polypropylene is the homo-polypropylene powder of melting index greater than 17g/10min.
Alternatively, described linear low density polyethylene is the linear low density polyethylene of melting index greater than 10g/10min.
Alternatively, described fire retardant is the composite flame-retardant agent of TDE and antimonous oxide.
Alternatively, described lubricant is N, N-ethylene bis stearamide (EBS).
Alternatively, described oxidation inhibitor is Hinered phenols antioxidant and phosphite ester kind antioxidant is composite obtains.
Preferably, described oxidation inhibitor is that Hinered phenols antioxidant and phosphite ester kind antioxidant were by weight 1: 2 composite obtaining.
Preferably, described oxidation inhibitor is four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester.
A kind of preparation method of polypropylene fire retardant agglomerate material may further comprise the steps:
(1) take by weighing each component according to following weight percent:
Polypropylene 6%;
Linear low density polyethylene 10%;
Fire retardant 80%;
White oil 1.7%;
Lubricant 2%;
Oxidation inhibitor 0.3%;
All raw materials that (2) will take by weighing mix;
(3) mixing raw material is added dual-screw-stem machine, through melt extruding granulation;
(4) after being mixed with different content and polypropylene, the fire-retardant master granule that obtains adds dual-screw-stem machine again, through melt extruding granulation.
Preferably, the processing condition of melt stage are in the described step (3):
In dual-screw-stem machine temperature control section, district's temperature is 200-210 ℃, and two district's temperature are 230-250 ℃, three district's temperature are 230-250 ℃, and four district's temperature are 220-240 ℃, and the head temperature of dual-screw-stem machine is 230-250 ℃, residence time 3-4min, pressure are 12-18MPa.
Preferably, the processing condition of melt stage are in the described step (4):
In dual-screw-stem machine temperature control section, district's temperature is 200-210 ℃, and two district's temperature are 230-250 ℃, three district's temperature are 230-250 ℃, and four district's temperature are 220-240 ℃, and the head temperature of dual-screw-stem machine is 230-250 ℃, residence time 3-4min, pressure are 12-18MPa.
Therefore, compared with prior art, use technical scheme of the present invention, following beneficial effect is arranged:
Polypropylene fire retardant agglomerate material of the present invention is made up of following material: polypropylene, linear low density polyethylene, fire retardant, white oil, lubricant and oxidation inhibitor.The melting index of polypropylene and linear low density polyethylene is big, and good fluidity can merge better with other materials, and it is uneven to have avoided raw material to disperse;
Compound with TDE and antimonous oxide as fire retardant, both are all the low-cost environmental-protecting material, and TDE is quite stable in the system of using, can recycle with its fire-retardant thermoplastics, then there are good synergistic antimonous oxide and halogen thing and time spent, and flame retardant effect obviously improves, thereby make the polypropylene fire retardant agglomerate material that makes at the flame retardant effect height, simultaneously environment is not worked the mischief, compare existing lower, the environmental protection more of fire retardant cost;
With N, N-ethylene bis stearamide (EBS) has improved the melt flow rate (MFR) of material as lubricant, has improved the demoulding of material, makes material reach top grade product index; Oxidation inhibitor uses Hinered phenols antioxidant and phosphite ester kind antioxidant, is widely used, and is convenient to draw materials.
Embodiment
Describe the present invention in detail below in conjunction with specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.
In embodiments of the present invention, polypropylene is selected 140 powder of the real magnificent petrochemical industry in Dezhou; Linear low density polyethylene select for use DFDA-7042 (Daqing petrochemical, raise these trades mark such as sub-petrochemical industry all can); Fire retardant is selected TDE (strong, the safe star of Shandong indigo plant, the happy section in Dongtai all can) and antimonous oxide (Hunan Chen Zhou, Guangdong space star, Hunan give birth to power all can) for use; Lubricant is selected N for use, N-ethylene bis stearamide (being selected from place of production Indonesia); Oxidation inhibitor is selected four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol esters and tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester (two key chemical industry group's antioxidant 1010s in Taiwan and oxidation inhibitor 168).
During preparation polypropylene fire retardant master batch, take by weighing each component by weight, add in the slow-speed mixer and mix 3-5min, then that thorough mixing is good raw material joins in the twin screw extruder, through melt extruding granulation.
Dual-screw-stem machine generally is divided into following components: feed system, reduction box, main motor, screw rod, machine barrel, heating system, pumped vacuum systems, cooling system, interlock control system and electrical apparatus control system.Wherein, in the temperature control section of heating system, be divided into sections such as intake zone, a district, two districts, three districts, four districts again.
Embodiment 1:
Mix polypropylene 6%, linear low density polyethylene 10%, fire retardant 80%, white oil 1.7%, lubricant 2%, oxidation inhibitor 0.3% by weight ratio.The material that mixes is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes the polypropylene fire retardant master batch.Wherein, each heating region temperature setting of screw rod is respectively: district's temperature is 210 ℃; Two district's temperature are 230 ℃; Three district's temperature are 240 ℃; Four district's temperature are 220 ℃; The head temperature of dual-screw-stem machine is 240 ℃; The residence time is 3-4min.Pressure is 15MPa.
The fire-retardant master granule that makes is mixed with polypropylene with different content, mix the back and add dual-screw-stem machine, through melt extruding granulation.
Embodiment 2:
Mix polypropylene 48%, talcum powder 20%, fire retardant (TDE and antimonous oxide) 30% (20% and 10%), white oil 0.3%, lubricant 1.4%, oxidation inhibitor 0.3% by weight ratio.The material that mixes is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes flame-retardant polypropylene composite material.Wherein, each heating region temperature setting of screw rod is respectively: district's temperature is 210 ℃; Two district's temperature are 240 ℃; Three district's temperature are 240 ℃; Four district's temperature are 230 ℃; The head temperature of dual-screw-stem machine is 240 ℃; The residence time is 3-4min.Pressure is 15MPa.
Embodiment 3:
Mix polypropylene 48%, talcum powder 20%, fire-retardant master granule 30%, white oil 0.3%, lubricant 1.4%, oxidation inhibitor 0.3% by weight ratio.The material that mixes is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes flame-retardant polypropylene composite material.Wherein, each heating region temperature setting of screw rod is respectively: district's temperature is 200 ℃; Two district's temperature are 250 ℃; Three district's temperature are 250 ℃; Four district's temperature are 220 ℃; The head temperature of dual-screw-stem machine is 230 ℃; The residence time is 3-4min.Pressure is 15MPa.
Embodiment 4:
Mix polypropylene 53%, talcum powder 20%, fire-retardant master granule 25%, white oil 0.3%, lubricant 1.4%, oxidation inhibitor 0.3% by weight ratio.The material that mixes is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes flame-retardant polypropylene composite material.Wherein, each heating region temperature setting of screw rod is respectively: district's temperature is 200 ℃; Two district's temperature are 230 ℃; Three district's temperature are 240 ℃; Four district's temperature are 240 ℃; The head temperature of dual-screw-stem machine is 250 ℃; The residence time is 3-4min.Pressure is 15MPa.
Embodiment 5:
Mix polypropylene 58%, talcum powder 20%, fire-retardant master granule 20%, white oil 0.3%, lubricant 1.4%, oxidation inhibitor 0.3% by weight ratio.The material that mixes is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes flame-retardant polypropylene composite material.Wherein, each heating region temperature setting of screw rod is respectively: district's temperature is 210 ℃; Two district's temperature are 230 ℃; Three district's temperature are 230 ℃; Four district's temperature are 240 ℃; The head temperature of dual-screw-stem machine is 250 ℃; The residence time is 3-4min.Pressure is 15MPa.
Embodiment 6:
Mix polypropylene 63%, talcum powder 20%, fire-retardant master granule 15%, white oil 0.3%, lubricant 1.4%, oxidation inhibitor 0.3% by weight ratio.The material that mixes is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes flame-retardant polypropylene composite material.Wherein, each heating region temperature setting of screw rod is respectively: district's temperature is 210 ℃; Two district's temperature are 230 ℃; Three district's temperature are 230 ℃; Four district's temperature are 240 ℃; The head temperature of dual-screw-stem machine is 250 ℃; The residence time is 3-4min.Pressure is 15MPa.
Performance test:
Tensile strength is tested by ASTM D-638 standard.Specimen types is the I type, batten size (mm): (176 ± 2) (length) * (12.6 ± 0.2) (end width) * (3.05 ± 0.2) (thickness), and draw speed is 50mm/min;
Flexural strength and modulus in flexure are tested by ASTM D-790 standard.Specimen types is specimen size (mm): (128 ± 2) * (12.67 ± 0.2) * (3.11 ± 0.2), rate of bending are 20mm/min;
The socle girder notched Izod impact strength is tested by ASTM D-256 standard.Specimen types is the I type, specimen size (mm): (63 ± 2) * (12.45 ± 0.2) * (3.1 ± 0.2); The breach type is a category-A, and the breach residual thickness is 1.9mm;
Flame retardant properties is tested according to the UL94 standard.Specimen types is specimen size (mm): long (128 ± 2) * (12.67 ± 0.2) * (1.58 ± 0.2), (128 ± 2) * (12.67 ± 0.2) * (3.11 ± 0.2);
Density is according to ASTM D792 test, and melting index is tested according to ASTM D1238.
The flame retardant properties of embodiment 1 is V0.Embodiment 2-6 prescription and material property see Table 1.
Table 1 embodiment 2-6 prescription and material property
| Form | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Polypropylene (%) | 48 | 48 | 53 | 58 | 63 |
| Fire retardant (%) | 30 | 0 | 0 | 0 | 0 |
| Fire-retardant master granule (%) | 0 | 30 | 25 | 20 | 15 |
| White oil (%) | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| Talcum powder (%) | 20 | 20 | 20 | 20 | 20 |
| Lubricant (%) | 1.4 | 1.5 | 1.6 | 1.8 | 1.4 |
| Oxidation inhibitor (%) | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| Density (g/cm 3) | 1.35 | 1.34 | 1.32 | 1.30 | 1.27 |
| Notched Izod impact strength (J/m) | 180 | 216 | 213 | 207 | 209 |
| Tensile strength (MPa) | 16 | 18 | 18 | 19 | 21 |
| Elongation at break (%) | 88 | 90 | 91 | 92 | 95 |
| Flexural strength (MPa) | 27 | 28 | 29 | 30 | 31 |
| Modulus in flexure (MPa) | 962 | 953 | 952 | 953 | 954 |
| Melting index (g/10min) | 4.6 | 4.6 | 4.8 | 4.9 | 5.1 |
| Flame retardant properties | V0 | V0 | V0 | V1 | V2 |
As can be seen from Table 1, when talcum powder, lubricant and oxidation inhibitor are identical, add polypropylene flame redardant that the fire-retardant master granules of different amounts obtain and all increase, and aspects such as tensile strength, elongation, flexural strength and modulus in flexure do not have considerable change than the shock strength that adds the polypropylene flame redardant that fire retardant obtains.But aspect flame retardant properties, the fire retardant of adding 30% can make its fire-protection rating reach V0 in the polypropylene system, the fire-retardant master granule of adding 30% and 25% can make its fire-protection rating reach V0 equally in the polypropylene system, and its fire-protection rating of fire-retardant master granule of adding 20% and 15% reduces successively in the polypropylene system, is respectively V1 and V2.
The present invention is by selecting the interpolation proportioning of appropriate resin starting material and various auxiliary agents, obtained flame retardant agent content up to 80% polypropylene fire retardant agglomerate material, can be applicable in the production process of polypropylene flame redardant, realization is easy to add, addition is little, flame retarding efficiency is high, the effect of saving cost, can also suitably improve the shock strength of polypropylene flame redardant simultaneously.
More than the technical scheme that the embodiment of the invention provided is described in detail, used specific case herein the principle and the embodiment of the embodiment of the invention are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the embodiment of the invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (12)
1. polypropylene fire retardant agglomerate material is characterized in that: be made up of following material:
Polypropylene, linear low density polyethylene, fire retardant, white oil, lubricant and oxidation inhibitor.
2. 1 described a kind of polypropylene fire retardant agglomerate material as requested, it is characterized in that: described polypropylene fire retardant agglomerate material is made by following material by weight percentage:
Polypropylene 6%;
Linear low density polyethylene 10%;
Fire retardant 80%;
White oil 1.7%;
Lubricant 2%;
Oxidation inhibitor 0.3%.
3. a kind of polypropylene fire retardant agglomerate material according to claim 1 is characterized in that: described polypropylene is the homo-polypropylene powder of melting index greater than 17g/10min.
4. a kind of polypropylene fire retardant agglomerate material according to claim 1 is characterized in that: described linear low density polyethylene is the linear low density polyethylene of melting index greater than 10g/10min.
5. a kind of polypropylene fire retardant agglomerate material according to claim 1 is characterized in that: described fire retardant is the composite flame-retardant agent of TDE and antimonous oxide.
6. a kind of polypropylene fire retardant agglomerate material according to claim 1 is characterized in that: described lubricant is N, N-ethylene bis stearamide (EBS).
7. a kind of polypropylene fire retardant agglomerate material according to claim 1 is characterized in that: described oxidation inhibitor is Hinered phenols antioxidant and phosphite ester kind antioxidant is composite obtains.
8. a kind of polypropylene fire retardant agglomerate material according to claim 7 is characterized in that: described oxidation inhibitor is that Hinered phenols antioxidant and phosphite ester kind antioxidant were by weight 1: 2 composite obtaining.
9. according to claim 7 or 8 described a kind of polypropylene fire retardant agglomerate materials, it is characterized in that: described oxidation inhibitor is four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester.
10. the preparation method of a polypropylene fire retardant agglomerate material is characterized in that: may further comprise the steps:
(1) take by weighing each component according to following weight percent:
Polypropylene 6%;
Linear low density polyethylene 10%;
Fire retardant 80%;
White oil 1.7%;
Lubricant 2%;
Oxidation inhibitor 0.3%;
All raw materials that (2) will take by weighing mix;
(3) mixing raw material is added dual-screw-stem machine, through melt extruding granulation;
(4) after being mixed with different content and polypropylene, the fire-retardant master granule that obtains adds dual-screw-stem machine again, through melt extruding granulation.
11. the preparation method of a kind of polypropylene fire retardant agglomerate material according to claim 10 is characterized in that: the processing condition of melt stage are in the described step (3):
In dual-screw-stem machine temperature control section, district's temperature is 200-210 ℃, and two district's temperature are 230-250 ℃, three district's temperature are 230-250 ℃, and four district's temperature are 220-240 ℃, and the head temperature of dual-screw-stem machine is 230-250 ℃, residence time 3-4min, pressure are 12-18MPa.
12. the preparation method of a kind of polypropylene fire retardant agglomerate material according to claim 10 is characterized in that: the processing condition of melt stage are in the described step (4):
In dual-screw-stem machine temperature control section, district's temperature is 200-210 ℃, and two district's temperature are 230-250 ℃, three district's temperature are 230-250 ℃, and four district's temperature are 220-240 ℃, and the head temperature of dual-screw-stem machine is 230-250 ℃, residence time 3-4min, pressure are 12-18MPa.
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| 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 |
| CN110734608A (en) * | 2019-10-29 | 2020-01-31 | 烟台格瑞恩高分子材料有限公司 | flame-retardant master batch and application thereof in flame-retardant polypropylene material |
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| CN116376162A (en) * | 2023-04-24 | 2023-07-04 | 珠海鲁班自动化设备有限公司 | Ultra-wideband polypropylene wave-absorbing material and preparation method and application thereof |
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Application publication date: 20111116 |