CN105623100B - A kind of high surface hardness flame-retardant polypropylene composite material and preparation method thereof - Google Patents
A kind of high surface hardness flame-retardant polypropylene composite material and preparation method thereof Download PDFInfo
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- CN105623100B CN105623100B CN201610151633.1A CN201610151633A CN105623100B CN 105623100 B CN105623100 B CN 105623100B CN 201610151633 A CN201610151633 A CN 201610151633A CN 105623100 B CN105623100 B CN 105623100B
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 90
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 75
- -1 polypropylene Polymers 0.000 title claims abstract description 73
- 239000003063 flame retardant Substances 0.000 title claims abstract description 40
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 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 claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 34
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 31
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 31
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 16
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 16
- 239000000314 lubricant Substances 0.000 claims abstract description 16
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 10
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000005453 pelletization Methods 0.000 claims abstract description 10
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical class O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920000388 Polyphosphate Polymers 0.000 claims abstract description 8
- 239000001205 polyphosphate Substances 0.000 claims abstract description 8
- 235000011176 polyphosphates Nutrition 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 35
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- SEQVSYFEKVIYCP-UHFFFAOYSA-L magnesium hypophosphite Chemical compound [Mg+2].[O-]P=O.[O-]P=O SEQVSYFEKVIYCP-UHFFFAOYSA-L 0.000 claims description 8
- 229910001381 magnesium hypophosphite Inorganic materials 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- TVHALOSDPLTTSR-UHFFFAOYSA-H hexasodium;[oxido-[oxido(phosphonatooxy)phosphoryl]oxyphosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O TVHALOSDPLTTSR-UHFFFAOYSA-H 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 13
- 239000000203 mixture Substances 0.000 description 6
- 230000003678 scratch resistant effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 3
- 239000004594 Masterbatch (MB) Substances 0.000 description 3
- 229940040145 liniment Drugs 0.000 description 3
- 239000000865 liniment Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 2
- 101150049891 MCA1 gene Proteins 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 101100290371 Schizosaccharomyces pombe (strain 972 / ATCC 24843) pca1 gene Proteins 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 238000009874 alkali refining Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000005447 environmental material Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 229920001911 maleic anhydride grafted polypropylene Polymers 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of high surface hardness flame-retardant polypropylene composite material, it is made from the following raw materials in parts by weight：100 parts of polypropylene, 5 10 parts of hypophosphites, 15 20 parts of melamine polyphosphate, 3 10 parts of maleic anhydride inoculated polypropylene, 0.2 1.2 parts of antioxidant PS802, irgasfos 168/1,010 0.2 1.0 part, 0.5 3.0 parts of lubricant SG200,5 10 parts of white oil, 35 parts of PMMA.Present invention also offers its preparation method：It is well mixed by above-mentioned percentage by weight scale polypropylene, white oil, then remaining raw material is weighed by proportion, dual-screw-stem machine extruding pelletization is put into after mixing again, the rotating speed of dual-screw-stem machine is 200~300 revs/min, and temperature is 160~190 DEG C.The advantage of material of the present invention is：The high impression of resistance to ball, without separating out, excellent fireproof performance；Especially there is higher case hardness, with excellent Scratch Resistance；Had broad application prospects in fields such as electronic apparatus, automobile, household electrical appliances.
Description
Technical field
It is a kind of high surface hardness resistance specifically the present invention relates to modified flame-retardant polypropylene material and preparation method thereof
Fire PP composite material and preparation method thereof.
Background technology
Polypropylene is obtained a wide range of applications due to excellent combination property.Polypropylene easy firing, therefore polypropylene flame redardant
Using having obtained large development.But with the raising of mankind's environmental consciousness and awareness of safety, particularly to low-voltage electrical apparatus class
The special characteristics of material requires more and more higher.Current anti-flaming polypropylene material glowing filament ignition temperature is typically up on 800 DEG C of left sides
The right side, 125 DEG C≤2mm of hot-bulb impression.On the other hand, there is shortcoming in polypropylene in itself, and material surface hardness is not high, particularly fire-retardant
Material can more reduce material surface hardness due to the addition of fire retardant, cause the easy scratch of product, abrasive phenomenon.Therefore research and develop
With high surface hardness, low cigarette, low-heat ball impression and the excellent flame-retardant polypropylene composite material of scratch resistance is particularly important.
The applying date of Chinese patent 201110389359.9：2011-11-30, discloses a kind of cabinet poly- with fire-retardant scratch-resistant
Propylene material and preparation method thereof, the component of the material and the parts by weight of each component are：29-55.5 parts of polypropylene, continuous glass-fiber
5-20 parts, 5-10 parts of compatilizer, 19-27 parts of compound flame retardant, 1.5-3 parts of scratch resistance liniment, the invention provides the halogen resistance of one kind
The conventional scratch-resistant method of combustible material, is not suitable for scratch-resistant requirement higher under environmental protection flame retardant security system, and use silicon
As scratch resistance liniment, its mechanism is to increase surface lubrication to mitigate the observability of scratch to the lubricants such as ketone, but encounters high rigidity material
Remain unchanged easy scuffing during material, using silicone master batch as scratch resistance liniment, and its scratch resistance has certain ageing.Chinese patent
201410426273.2 the applying date：2014-08-27, discloses a kind of glazed flame-retardant scratch-resistant polypropylene composition and its system
Preparation Method, described glazed flame-retardant scratch-resistant polypropylene composition is composed of the following components by weight percentage：Polypropylene 91
~95 parts, MCA1~2 part, fire retarding synergist 0.5~1,2~3 parts of compatilizer, 1~1.5 part of silicone master batch, antioxidant 0.2~
0.6th, the auxiliary agent such as lubricant or pigment 0.2~0.4, the compound is realized with less amount of fire retardant and silicone master batch addition
The V-1 levels of material realize the scraping and wiping resistance performance of material while fire-retardant, but its scratch-resistant system is silicone series lubricant agent, this
The fire resistance of invention can not meet the market demand of existing high-end high surface requirements PP flame-retarding materials.
The content of the invention
The purpose of the present invention is that there is provided a kind of high surface hardness polypropylene flame redardant composite wood for deficiency of the prior art
Material.
Another purpose of the present invention is to provide the preparation side of high surface hardness flame-retardant polypropylene composite material as described above
Method.
To achieve the above object, the present invention is adopted the technical scheme that：
A kind of high surface hardness flame-retardant polypropylene composite material, the high surface hardness flame-retardant polypropylene composite material is under
The raw material of row parts by weight is made：100 parts of polypropylene, 5-10 parts of hypophosphites, 15-20 parts of melamine polyphosphate, maleic acid
3-10 parts of acid anhydride graft polypropylene, 0.2-1.2 parts of antioxidant PS802,0.2-1.0 parts of irgasfos 168/1010, lubricant SG200
0.5-3.0 parts, 5-10 parts of white oil, 3-5 parts of PMMA.
Preferably, the PP composite material is made from the following raw materials in parts by weight：100 parts of polypropylene, hypophosphites
5-8 parts, 15-18 parts of melamine polyphosphate, 3-7 parts of maleic anhydride inoculated polypropylene, 0.2-0.8 parts of antioxidant PS802,
0.2-0.6 parts of irgasfos 168/1010,0.5-1.5 parts of lubricant SG200,5-7 parts of white oil, 3-4 parts of PMMA.
Preferably, the PP composite material is made from the following raw materials in parts by weight：100 parts of polypropylene, hypophosphites 8
Part, 18 parts of melamine polyphosphate, 7 parts of maleic anhydride inoculated polypropylene, 0.8 part of antioxidant PS802, irgasfos 168/
1010 0.6 parts, 1.5 parts of lubricant SG200,7 parts of white oil, 4 parts of PMMA.
Preferably, the hypophosphites is magnesium hypophosphite.
Preferably, the polypropylene melt index is 15.0g/10min.
Preferably, described white oil is 26# industrial plasticses processing oils.
Preferably, described PMMA is low molecule amount, low viscosity PMMA, and molecular weight is 60000-100000g/mol, melting means
For 15~20g/10min.
Preferably, the PMMA molecular weight is 60000~80000g/mol, and melting means is 15~18g/10min.
To realize above-mentioned second purpose, the present invention is adopted the technical scheme that：
The preparation method of high surface hardness flame-retardant polypropylene composite material as described above, comprises the following steps：
(1) raw material is weighed by proportioning, takes polypropylene to be well mixed with white oil；
(2) by surplus stock and step 1) prepare raw material be well mixed；
(3) by step 2) raw material that mixes is put into dual-screw-stem machine extruding pelletization, and the rotating speed of the dual-screw-stem machine is 200-300
Rev/min, temperature is 160-190 DEG C.
The invention has the advantages that：
1st, low molecule amount PMMA is used in component of the invention, starts to melt at 130~140 DEG C or so, and polypropylene exists
160~170 DEG C start to melt, and cause the melting temperature difference of storeroom, can so make composite in injection moulding process, preferentially melt
The small molecule material of change is more easy to flow to article surface, and a thin layer of resin film is formed in article surface, and similar lubricant exists
Article surface formation mechenism；Because PMMA is high hardness material, its hardness is significantly better than polypropylene material, therefore can be greatly improved
Article surface hardness, improves product scratch resistance, and will not produce ageing and affect the mechanical properties.
2nd, the present invention by using novel built halogen-free flame retardants, make when composite burn fire retardant generation carbon-coating every
Exhausted air simultaneously stops heat transfer and heat radiation, and the non-flammable gases that fire retardant decomposes release generation can reach that isolation air is made again
With.The present invention is free of any halogen system, is the halogen-free environmental material of real meaning.
3rd, the white oil used in the present invention is 250~400 DEG C of light lubricating oil fractions in crude oil, through acid-alkali refining, washing,
The processes such as drying, bleaching earth adsorption plus antioxidant are made；Part white oil is added in component, excellent lubrication can be played, carried
Dispersiveness of the fire retardant in resin is risen, part white oil is added in addition can improve material thermal resistance.
Embodiment
The invention will be further elucidated with reference to specific embodiments.It should be understood that these embodiments are merely to illustrate this hair
Bright rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention recorded has been read, art technology
Personnel can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Fixed scope.
The preparation (one) of the PP composite material of the present invention of embodiment 1
A kind of high surface hardness flame-retardant polypropylene composite material, is made from the following raw materials in parts by weight：100 parts of polypropylene,
5 parts of magnesium hypophosphite, 15 parts of melamine polyphosphate, 3 parts of maleic anhydride inoculated polypropylene, 0.2 part of antioxidant PS802, antioxygen
16,8/1,010 0.2 parts of agent, 0.5 part of lubricant SG200,5 parts of white oil, 3 parts of PMMA；The polypropylene melt index is
15.0g/10min, it is Yangtze petrochemical industry S700；Described white oil is 26# industrial plasticses processing oils；Described PMMA is low molecule
Amount, low viscosity PMMA, molecular weight 60000g/mol, melting means 20g/10min.
Preparation method is as follows：(1) raw material is weighed by proportioning, takes polypropylene to be well mixed with white oil；(2) by surplus stock with
Step 1) raw material be well mixed；(3) by step 2) mix raw material be put into dual-screw-stem machine extruding pelletization, described dual-screw-stem machine
Rotating speed be 200 revs/min, temperature be 160 DEG C.
The preparation (two) of the PP composite material of the present invention of embodiment 2
A kind of high surface hardness flame-retardant polypropylene composite material, is made from the following raw materials in parts by weight：100 parts of polypropylene,
It is 10 parts of magnesium hypophosphite, 20 parts of melamine polyphosphate, 10 parts of maleic anhydride inoculated polypropylene, 1.2 parts of antioxidant PS802, anti-
16,8/1,010 1.0 parts of oxygen agent, 3.0 parts of lubricant SG200,10 parts of white oil, 5 parts of PMMA；The polypropylene melt index is
15.0g/10min, it is Yangtze petrochemical industry S700；Described white oil is 26# industrial plasticses processing oils；Described PMMA is low molecule
Amount, low viscosity PMMA, molecular weight 100000g/mol, melting means 15g/10min.
Preparation method is as follows：(1) raw material is weighed by proportioning, takes polypropylene to be well mixed with white oil；(2) by surplus stock with
Step 1) raw material be well mixed；(3) by step 2) mix raw material be put into dual-screw-stem machine extruding pelletization, described dual-screw-stem machine
Rotating speed be 300 revs/min, temperature be 190 DEG C.
The preparation (three) of the PP composite material of the present invention of embodiment 3
A kind of high surface hardness flame-retardant polypropylene composite material, is made from the following raw materials in parts by weight：100 parts of polypropylene,
8 parts of magnesium hypophosphite, 18 parts of melamine polyphosphate, 7 parts of maleic anhydride inoculated polypropylene, 0.8 part of antioxidant PS802, antioxygen
16,8/1,010 0.6 parts of agent, 1.5 parts of lubricant SG200,7 parts of white oil, 4 parts of PMMA；Described polyacrylic melt index is
15.0g/10min, it is Yangtze petrochemical industry S700；Described white oil is 26# industrial plasticses processing oils；Described PMMA is low molecule
Amount, low viscosity PMMA, molecular weight 80000g/mol, melting means 18g/10min.
Preparation method is as follows：(1) raw material is weighed by proportioning, takes polypropylene to be well mixed with white oil；(2) by surplus stock with
Step 1) raw material be well mixed；(3) by step 2) mix raw material be put into dual-screw-stem machine extruding pelletization, described dual-screw-stem machine
Rotating speed be 250 revs/min, temperature be 170 DEG C.
Comparative example 1
A kind of PP composite material, is made from the following raw materials in parts by weight：100 parts of polypropylene；5 parts of magnesium hypophosphite；Three
15 parts of poly cyanamid Quadrafos；3 parts of maleic anhydride inoculated polypropylene；0.2 part of antioxidant PS802；Irgasfos 168/1,010 0.2
Part；0.5 part of lubricant SG200,5 parts of PMMA；The polypropylene melt index is 15.0g/10min, is Yangtze petrochemical industry S700；
Described PMMA is low molecule amount, low viscosity PMMA, molecular weight 60000g/mol, melting means 20g/10min.
Preparation method is as follows：(1) raw material is weighed by proportioning, be well mixed；(2) by step 2) raw material that mixes is put into double spiral shells
Bar machine extruding pelletization, the rotating speed of described dual-screw-stem machine is 200 revs/min, and temperature is 160 DEG C.
Comparative example 2
A kind of PP composite material, is made from the following raw materials in parts by weight：100 parts of polypropylene；5 parts of magnesium hypophosphite；Three
15 parts of poly cyanamid Quadrafos；3 parts of maleic anhydride inoculated polypropylene；0.2 part of antioxidant PS802；Irgasfos 168/1,010 0.2
Part；0.5 part of lubricant SG200；5 parts of white oil；Described polyacrylic melt index is 15.0g/10min, is Yangtze petrochemical industry
S700；Described white oil is 26# industrial plasticses processing oils.
Preparation method is as follows：(1) raw material is weighed by proportioning, takes polypropylene to be well mixed with white oil；(2) by surplus stock with
Step 1) raw material be well mixed；(3) by step 2) mix raw material be put into dual-screw-stem machine extruding pelletization, described dual-screw-stem machine
Rotating speed be 200 revs/min, temperature be 160 DEG C.
Comparative example 3
A kind of PP composite material, is made from the following raw materials in parts by weight：100 parts of polypropylene；5 parts of magnesium hypophosphite；Three
15 parts of poly cyanamid Quadrafos；3 parts of maleic anhydride inoculated polypropylene；0.2 part of antioxidant PS802；Irgasfos 168/1,010 0.2
Part；0.5 part of lubricant SG200；Described polyacrylic melt index is 15.0g/10min, is Yangtze petrochemical industry S700.
Preparation method is as follows：(1) raw material is weighed by proportioning, be well mixed；(2) by step 2) raw material that mixes is put into double spiral shells
Bar machine extruding pelletization, the rotating speed of described dual-screw-stem machine is 200 revs/min, and temperature is 160 DEG C.
Comparative example 4
A kind of PP composite material, is made from the following raw materials in parts by weight：100 parts of polypropylene；20 parts of magnesium hydroxide；Horse
3 parts of maleic anhydride grafted polypropylene；0.2 part of antioxidant PS802；Irgasfos 168/1,010 0.2 part；0.5 part of lubricant SG200；
Described polyacrylic melt index is 15.0g/10min, is Yangtze petrochemical industry S700.
Preparation method is as follows：(1) raw material is weighed by proportioning, be well mixed；(2) by step 2) raw material that mixes is put into double spiral shells
Bar machine extruding pelletization, the rotating speed of described dual-screw-stem machine is 200 revs/min, and temperature is 160 DEG C.
Performance test
To obtained high glow-wire high surface hardness anti-flaming polypropylene material in embodiment 1-3 and and comparative example 1-4 be made
Material carry out fire resistance and Mechanics Performance Testing contrast, wherein hot-bulb impression test temperature be 125 DEG C, the time is 2h, table
Surface hardness is characterized using pencil hardness, counterweight weight 200g, as a result as shown in table 1.
The performance test results of the PP composite material of the present invention of table 1
As shown in Table 1, PP composite material produced by the present invention have excellent fire resistance, low-heat ball impression and compared with
High case hardness, and fire resistance reaches UL94V-0 grades.Comparative example 1 compared with Example 1, is not added with white oil in formula, knot
Fruit shows that the heat resistance of the material of comparative example 1 is poor, and addition white oil can play the heat resistance for improving material in fire-retardant PP systems, subtract
Small hot-bulb impression.Comparative example 2 is not added with PMMA compared with Example 1, it is seen that the case hardness of material declines, comparative example 3 with it is right
Ratio 1, which compares, is not added with white oil and PMMA, shows that PMMA can put forward the case hardness of fire-retardant PP materials again, white oil can then be carried
The heat resistance of high fire-retardance PP materials, effectively reduction hot-bulb impression.Comparative example 4 is listed obtains material using conventional halogen-free flame retardants
Performance, its fire retardant addition is equal with comparative example 1, compared with comparative example 1 of the present invention, in different fire-retardant of addition isodose
Under agent, the fire resistance that comparative example obtains material is poor, is V2 grades fire-retardant, meanwhile, the case hardness of material, heat resistance compared with
Difference, limits application of the material in high surface requirements material, the material that the present invention is obtained is in electronic apparatus, automobile, household electrical appliances, physical culture
The fields such as articles for use have broad application prospects.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, on the premise of the inventive method is not departed from, can also make some improvement and supplement, and these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (8)
1. a kind of high surface hardness flame-retardant polypropylene composite material, it is characterised in that：The high surface hardness polypropylene flame redardant is answered
Condensation material is made from the following raw materials in parts by weight：100 parts of polypropylene, 5-10 parts of hypophosphites, melamine polyphosphate 15-20
Part, 3-10 parts of maleic anhydride inoculated polypropylene, 0.2-1.2 parts of antioxidant PS802,0.2-1.0 parts of irgasfos 168/1010, profit
0.5-3.0 parts of lubrication prescription SG200,5-10 parts of white oil, 3-5 parts of PMMA；Described PMMA is low molecule amount, low viscosity PMMA, is divided
Son amount is 60000~100000g/mol, and melting means is 15~20g/10min, and the PMMA starts to melt at 130~140 DEG C；Institute
State combination of irgasfos 168/1010 for irgasfos 168 and antioxidant 1010.
2. high surface hardness flame-retardant polypropylene composite material according to claim 1, it is characterised in that：The high surface is hard
Degree flame-retardant polypropylene composite material is made from the following raw materials in parts by weight：100 parts of polypropylene, 5-8 parts of hypophosphites, melamine
15-18 parts of Quadrafos, 3-7 parts of maleic anhydride inoculated polypropylene, 0.2-0.8 parts of antioxidant PS802, irgasfos 168/1010
0.2-0.6 parts, 0.5-1.5 parts of lubricant SG200,5-7 parts of white oil, 3-4 parts of PMMA.
3. high surface hardness flame-retardant polypropylene composite material according to claim 1, it is characterised in that：The high surface is hard
Degree flame-retardant polypropylene composite material is made from the following raw materials in parts by weight：100 parts of polypropylene, 8 parts of hypophosphites, melamine gather
18 parts of phosphate, 7 parts of maleic anhydride inoculated polypropylene, 0.8 part of antioxidant PS802, irgasfos 168/1,010 0.6 part, lubrication
1.5 parts of agent SG200,7 parts of white oil, 4 parts of PMMA.
4. high surface hardness flame-retardant polypropylene composite material according to claim 1, it is characterised in that：The hypophosphites
For magnesium hypophosphite.
5. high surface hardness flame-retardant polypropylene composite material according to claim 1, it is characterised in that：The polypropylene melt
Melt index for 15.0g/10min.
6. high surface hardness flame-retardant polypropylene composite material according to claim 1, it is characterised in that：Described white oil is
26# industrial plasticses processing oils.
7. high surface hardness flame-retardant polypropylene composite material according to claim 1, it is characterised in that：Described PMMA points
Son amount is 60000~80000g/mol, and melting means is 15~18g/10min.
8. the preparation method of high surface hardness flame-retardant polypropylene composite material described in claim 1, it is characterised in that：Including as follows
Step：
(1) proportioning as described in claim 1 weighs raw material, takes polypropylene to be well mixed with white oil；
(2) by surplus stock and step 1) prepare raw material be well mixed；
(3) by step 2) raw material that mixes is put into dual-screw-stem machine extruding pelletization, and the rotating speed of described dual-screw-stem machine is 200-300
Rev/min, temperature is 160-190 DEG C.
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| CN107674312B (en) * | 2017-10-31 | 2020-04-07 | 陕西省石油化工研究设计院 | High-surface-hardness halogen-free flame-retardant polypropylene and preparation method thereof |
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Denomination of invention: A high surface hardness flame-retardant polypropylene composite material and its preparation method Granted publication date: 20171107 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch Pledgor: SHANGHAI SUNNY TECHNOLOGY Co.,Ltd. Registration number: Y2024310000238 |
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