CN1817813A - Non-halogen flame-resistant sandwich materials with polyethylene for fire-proof aluminium plastic plate and production thereof - Google Patents
Non-halogen flame-resistant sandwich materials with polyethylene for fire-proof aluminium plastic plate and production thereof Download PDFInfo
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- CN1817813A CN1817813A CN 200510093592 CN200510093592A CN1817813A CN 1817813 A CN1817813 A CN 1817813A CN 200510093592 CN200510093592 CN 200510093592 CN 200510093592 A CN200510093592 A CN 200510093592A CN 1817813 A CN1817813 A CN 1817813A
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- 239000000463 material Substances 0.000 title claims abstract description 46
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910052736 halogen Inorganic materials 0.000 title claims abstract description 33
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 31
- -1 polyethylene Polymers 0.000 title claims description 58
- 229920003023 plastic Polymers 0.000 title claims description 40
- 239000004033 plastic Substances 0.000 title claims description 40
- 229920000573 polyethylene Polymers 0.000 title abstract description 26
- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- 239000004698 Polyethylene Substances 0.000 title description 21
- 239000004411 aluminium Substances 0.000 title description 8
- 239000003063 flame retardant Substances 0.000 claims abstract description 68
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 39
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 35
- 150000002367 halogens Chemical class 0.000 claims abstract description 30
- 238000002156 mixing Methods 0.000 claims abstract description 20
- 239000011162 core material Substances 0.000 claims description 51
- 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 claims description 41
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 36
- 239000000347 magnesium hydroxide Substances 0.000 claims description 36
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 36
- 239000003795 chemical substances by application Substances 0.000 claims description 34
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 33
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 22
- 230000036571 hydration Effects 0.000 claims description 21
- 238000006703 hydration reaction Methods 0.000 claims description 21
- 229920001577 copolymer Polymers 0.000 claims description 20
- 239000007822 coupling agent Substances 0.000 claims description 20
- 230000009970 fire resistant effect Effects 0.000 claims description 20
- 238000004079 fireproofing Methods 0.000 claims description 20
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 18
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 18
- 229920001684 low density polyethylene Polymers 0.000 claims description 17
- 239000004702 low-density polyethylene Substances 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 14
- 239000004114 Ammonium polyphosphate Substances 0.000 claims description 13
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims description 13
- 229920001276 ammonium polyphosphate Polymers 0.000 claims description 13
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 13
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical group CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 150000001722 carbon compounds Chemical class 0.000 claims description 10
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 10
- 229920005862 polyol Polymers 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 10
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims description 9
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 9
- 229920002472 Starch Polymers 0.000 claims description 9
- 238000005453 pelletization Methods 0.000 claims description 9
- 229940059574 pentaerithrityl Drugs 0.000 claims description 9
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 9
- 235000019698 starch Nutrition 0.000 claims description 9
- 239000008107 starch Substances 0.000 claims description 9
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 238000005469 granulation Methods 0.000 claims description 6
- 230000003179 granulation Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- UUEWCQRISZBELL-UHFFFAOYSA-N 3-trimethoxysilylpropane-1-thiol Chemical compound CO[Si](OC)(OC)CCCS UUEWCQRISZBELL-UHFFFAOYSA-N 0.000 claims description 4
- 239000007983 Tris buffer Substances 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 4
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 229910000077 silane Inorganic materials 0.000 claims description 4
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 claims description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 4
- 229920002554 vinyl polymer Polymers 0.000 claims description 4
- 238000002203 pretreatment Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 7
- 229920000642 polymer Polymers 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical group CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 abstract 1
- 239000012467 final product Substances 0.000 abstract 1
- 238000003754 machining Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 11
- 239000000779 smoke Substances 0.000 description 11
- 239000002131 composite material Substances 0.000 description 10
- 238000001125 extrusion Methods 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 239000008188 pellet Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 5
- 239000006260 foam Substances 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- LXWPJAGZRHTAOO-UHFFFAOYSA-N [Sb].[Br] Chemical compound [Sb].[Br] LXWPJAGZRHTAOO-UHFFFAOYSA-N 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 229920000578 graft copolymer Polymers 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- VHOQXEIFYTTXJU-UHFFFAOYSA-N Isobutylene-isoprene copolymer Chemical group CC(C)=C.CC(=C)C=C VHOQXEIFYTTXJU-UHFFFAOYSA-N 0.000 description 1
- 229920013649 Paracril Polymers 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 150000007518 monoprotic acids Chemical class 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000012747 synergistic agent Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- OGWLTJRQYVEDMR-UHFFFAOYSA-F tetramagnesium;tetracarbonate Chemical compound [Mg+2].[Mg+2].[Mg+2].[Mg+2].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O OGWLTJRQYVEDMR-UHFFFAOYSA-F 0.000 description 1
Abstract
A non-halogen and fire-retardant polythene sandwich layer material for fireproof aluminum plate and its production are disclosed. The sandwich layer consists of low-density polythene 15-30 proportion, linear low-density polythene 15-20 proportion, polythene and octylene multi-polymer 3-15 proportion, aluminum hydrate 30-45 proportion, magnesium hydrate 10-15 proportion, fire-retardant synergist 2-25 proportion and coupler 0.5-5 proportion. The process is carried out by mixing aluminum hydrate and magnesium hydrate with coupler separately, mixing at 80-120 DEG C for 15-25mins by high-speed kneader, extruding out into strips by double-screw extruder, granulating by thermal cutting at 100-179 degrees C or cooling and granulating by dicing cutter to obtain final product. It has better machining fluidity, fire-retardant effect and mechanical performance.
Description
Technical field
The present invention relates to material that a kind of building decorative plates adopts and preparation method thereof, relate in particular to a kind of halogen-free polythene flame redardant composite material and preparation method thereof.
Background technology
Fireproof aluminum-plastic board is the abbreviation of fire-proof aluminium plastic composite board, fire-proof aluminium plastic composite board mainly is made up of the three ply board material, they are to be positioned at the inorganic fire-retarded quilted plastic panel of intermediary (also can claim sandwich layer), are positioned at positive aluminum metal panel and the aluminum metal base plate that is positioned at the back side.Inorganic fire-retarded quilted plastic panel is obtained through the sheet material extrusion shaping machine by corresponding pellet.The material that is used to make this central layer (sandwich layer) is through flame-retardant modified polyethylene pellet (abbreviation flame-proof polyethylene).This flame-proof polyethylene is on poly basis, carries out melting mixing and obtains by adding corresponding fire retardant.The fire retardant that is added is classified from forming, and can be divided into three big flame-retardant systems.The one, bromine antimony composite flame retardant system, this system is mainly by brominated organic fire-retardant and Sb
2O
3Form, belonging to has the halogen system; The 2nd, nitrogen phosphorus composite flame retardant system; The 3rd, the metal oxide flame-retardant system.Second, third flame-retardant system belongs to the Halogen system again.For the flame-proof polyethylene that adopts bromine antimony composite flame retardant system, the good flame retardation effect of the consumption of its fire retardant sheet material few, that obtain by its manufacturing, but when plastics burn, emit a large amount of deleterious HBr, SbBr
3Gas and black smoke have the molten drop phenomenon, and be bigger to second environmental pollution, easily causes people's death by suffocation when serious.For the flame-proof polyethylene that adopts nitrogen phosphorus flame retardant composites system, the flame retardant resistance of the sheet material that is obtained by its manufacturing is better, the amount of being fuming is few during burning, there is not molten drop, but the fire retardant of this flame-proof polyethylene and polyethylene consistency are poor, the fire retardant that work in-process has even separate out influences the outward appearance and the surface adhesion force of quilted plastic panel.For the flame-proof polyethylene that adopts the metal oxide flame-retardant system, the flame retardant resistance of the sheet material that is obtained by its manufacturing is better, there is not the molten drop phenomenon, fire retardant has the smoke elimination function, the no obnoxious flavour of fire retardant self produces during burning, reach the purpose of flame-proofed polymer material but this fire retardant is the water that relies on its generation, so fire retardant need reach higher addition, be generally more than the 50-60% (weight percent), just might play the effect of flame-retardant polymer.High addition causes mechanical properties such as the toughness of polymer materials and intensity to descend significantly.
Chinese patent application 02113998.9 discloses a kind of Non-halogen Fire Retardant Polyethylene Core Material Used For Aluminum Plates And Its Preparation Method, material contains polyethylene 10-40% (weight percentage, down together), modified poly ethylene 5-20%, halogen-free flame retardants 35-65%, retardant synergist 0.5-10%, other auxiliary agents 2.5-8.5%; Other auxiliary agent wherein comprises coupling agent, dispersion agent, rheological agent, oxidation inhibitor, UV light absorber, linking agent, tinting material; Halogen-free flame retardants is aluminium hydroxide, magnesium hydroxide, magnesium basic carbonate, alkali magnesium sulfate; So the core material of this application belongs to the flame-proof polyethylene that adopts the metal oxide flame-retardant system; Because the content of the halogen-free flame retardants that is adopted is higher, for also containing modified poly ethylene (the polarity graft copolymer of ethylene-vinyl acetate copolymer (EVA) etc. and/or polyolefin and unsaturated monoprotic acid/unsaturated dibasic acid/br dilute anhydride) in the decline this application core material that prevents mechanical property, but the cohesiveness of these multipolymers is stronger, thereby it is not fine causing the processing fluidity of core material and dispersiveness, if use polarity graft copolymer then neither be very desirable with poly consistency, its mechanical property also awaits further to improve.The mixing time of material is 2-10 minute among the preparation method that this application document proposes, mixing temperature is 50 ℃-70 ℃, because mixing time is short, thereby the low mixing of mixing temperature is abundant inadequately, it is not fine causing sheet material mechanical property and flame retardant effect, as tensile strength is 7.5-10.5Mpa, and the smoke density grade is 5-65.
Chinese patent application 02124390.5 has proposed a kind of magnesium hydrate halogen-free flame resistance polyethylene composite material, its composition by weight is: 100 parts of polyethylene, magnesium hydroxide 30-330 part, elastomerics 50-120 part, coupling agent 0.3-5.0 part, interface modifier 0.2-6.0 part, dispersion agent 0.2-5.0 part, synergistic agent 0.1-2.0 part, oxidation inhibitor 0.1-2.0 part; Elastomerics wherein is ethylene-propylene rubber(EPR), terpolymer EP rubber, isoprene-isobutylene rubber, styrene-butadiene rubber(SBR), paracril, chloroprene rubber, ethylene-octene copolymer, ethylene-vinyl acetate copolymer etc.This matrix material is used for a lot of aspects such as the coating material, upholster material, wrapping material of electric wire.For electric wire, it is high that its major requirement melting index is wanted, for flexural strength, extrude intensity higher requirement also arranged, also require to have higher insulativity and higher draw tensile strength, but it is lower as the requirement of the processibility of mobile and extrusion moulding for processing characteristics, therefore the single magnesium hydroxide of this composite material by adopting can not realize hindering the effect of dripping into charcoal as halogen-free flame retardants.This application does not propose its matrix material can be applied to extruding of sheet material, also is not suitable for extruding of sheet material from its prescription.Again because the magnesium hydroxide cost is higher, and matrix material extruding pelletization temperature higher be 180 ℃-200 ℃, thereby energy consumption is higher, cost is also higher.
Summary of the invention
The purpose of this invention is to provide that a kind of processing fluidity in use is better, flame retardant effect better, mechanical property preferably fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board with and preparation method thereof.
Realize that the technical scheme that a kind of Zero halogen flame resistance polyethylene core material is provided in the object of the invention is: the contained component of this fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board has new LDPE (film grade), LLDPE, ethene and octene copolymer, aluminium hydroxide, magnesium hydroxide, retardant synergist and coupling agent; Each component of this core material umber by weight is: new LDPE (film grade) 15-30 part, LLDPE 15-20 part, ethene and octene copolymer 3-15 part, aluminium hydroxide 30-45 part, magnesium hydroxide 10-15 part, retardant synergist 2-25 part, coupling agent 0.5-5 part.
Above-mentioned retardant synergist can be a hydration zinc borate; The powder size of hydration zinc borate is the 1500-5000 order; The umber by weight of retardant synergist is 2-10 part.
Above-mentioned retardant synergist also can be an expansion type flame retardant; Expansion type flame retardant comprises dewatering agent as acid source, as the char-forming agent of carbon source with as the whipping agent of source of the gas; Dewatering agent is original position to generate sour salt when the burning heating, and this salt is an ammonium polyphosphate; Char-forming agent is the polyol compound of rich carbon, and this polyol compound is starch or tetramethylolmethane; Whipping agent is nitrogenous many carbon compounds, and these nitrogenous many carbon compounds are trimeric cyanamide or Dyhard RU 100.The umber by weight of retardant synergist is 10-15 part.
Above-mentioned retardant synergist can also be made up of hydration zinc borate and expansion type flame retardant; Retardant synergist umber by weight is 12-25 part, and wherein hydration zinc borate umber by weight is 2-10 part, and expansion type flame retardant umber by weight is 10-15 part; The powder size of hydration zinc borate is the 1500-5000 order; Expansion type flame retardant comprises dewatering agent as acid source, as the char-forming agent of carbon source with as the whipping agent of source of the gas; Dewatering agent is original position to generate sour salt when the burning heating, and this salt is an ammonium polyphosphate; Char-forming agent is the polyol compound of rich carbon, and this polyol compound is starch, tetramethylolmethane; Whipping agent is nitrogenous many carbon compounds, and these nitrogenous many carbon compounds are trimeric cyanamide, Dyhard RU 100.
The raw material that above-mentioned aluminium hydroxide, magnesium hydroxide adopted is the powder of natural crystal powder or synthetic aluminium hydroxide, magnesium hydroxide, and its powder size is the 1500-5000 order.
The melt flow rate (MFR) of above-mentioned core material is 0.8-3.0g/10min.
Above-mentioned coupling agent is a silane coupling agent, this silane coupling agent is vinyltriethoxysilane, vinyl tris silane, γ-propyl methacrylate base Trimethoxy silane, γ-amine propyl-triethoxysilicane, N-β-(amine ethyl)-γ-amine propyl group-Trimethoxy silane, β-(3,4-oxygen pushing out ring hexyl)-ethyl trimethoxy silane, γ-Racemic glycidol oxygen propyl trimethoxy silicane, γ-urea propyl-triethoxysilicane or γ-mercaptopropyl trimethoxysilane.
The technical scheme that realizes the preparation method that a kind of Zero halogen flame resistance polyethylene core material is provided in the object of the invention is: have following steps: 1. the aluminium hydroxide in the above-mentioned fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board, magnesium hydroxide are mixed in the high speed kneader with silane coupling agent respectively and finished the pre-treatment of aluminium hydroxide and magnesium hydroxide; 2. new LDPE (film grade), LLDPE, ethene and octene copolymer and retardant synergist in pretreated aluminium hydroxide and magnesium hydroxide and the above-mentioned fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board are mixed with the high speed kneader; 3. the material that mixes is extruded with twin screw extruder; 4. to the twin screw extruded material with fervent mode granulation or make material obtain finished product with dicing machine pelletizing mode granulation through after the water-cooled through twin screw extruder is extruded into strip.
The above-mentioned steps 1. rotating speed of high speed kneader is 850-1300r/min, and mixing temperature is 100 ℃-120 ℃, and mixing time is 10-15 minute.
Above-mentioned steps when 2. the high speed kneader mixes its rotating speed be 850-1300r/min, mixing temperature is 80 ℃-120 ℃, mixing time is 15-25 minute; The 3. middle twin screw extruder extruding pelletization temperature of step is 100 ℃-179 ℃, and the twin screw extruder rotating speed is 200r/min.
The present invention has beneficial effect: (1) the present invention adopts ethene and octene copolymer to improve the mechanical property of halogen-free fire-retardant polyethylene material, thereby the dispersiveness of material component and processing fluidity are better, melt flow rate (MFR) is 0.2-10g/10min, be suitable for extruding and mould coreboard processing, and because ethene and octene copolymer deformation absorption energy ability are more intense, thereby strengthened the toughness of material.(2) because new LDPE (film grade) and LLDPE are nonpolar multipolymer, and ethene and octene copolymer also are nonpolar multipolymer, thereby the relatively good mechanical property of material that makes of both consistencies is better.Because the adding of LLDPE, the intensity when making material be in melted state is stronger, thereby when carrying out the extruding of sheet material, easy-formation, good processability; So core material of the present invention promptly can be used for extrusion board without rolling directly and application aluminium sheet compoiste adhering, also because its intensity is higher, and can on the extrusion board line, mould the big extrusion moulding of coreboard earlier and obtain Zero halogen flame resistance polyethylene sheet material, again this sheet material is carried out compound on compounding machine and obtains the fire-proof aluminium plastic composite board material in the application aluminium sheet.(3) the present invention comprehensively adopts aluminium hydroxide, magnesium hydroxide as fire retardant, the aluminium hydroxide price comparison is cheap and decomposition temperature is low, price is also than higher and the magnesium hydroxide decomposition temperature is higher, adopt aluminium hydroxide, magnesium hydroxide to combine as fire retardant, when reducing cost, improved the processing stability of material in follow-up pressing plate process.(4) retardant synergist is that hydration zinc borate or expansion type flame retardant or the two are used in combination; hydration zinc borate is heated and sloughs crystal water and make the polymkeric substance charing; dehydration reduction thermal value and flame temperature, dilution combustion air; thereby charring layer forms protective layer at plate surface suppresses burning; can form layer of even carbonaceous foam layer at polymer surfaces during the expansion type flame retardant burning; that this carbonaceous foam layer can play is heat insulation, oxygen barrier, press down the effect of cigarette; reach better flame retardant effect by adding the retardant synergist fire retardant, oxygen index can be up to 34.(5) the aluminium-plastic panel combustionproperty index that is processed into pellet of the present invention is better, especially the smoke density grade is minimum reaches 2, and have technology smoke density grade generally all more than 10, minimum also have only 5, so the present invention has reduced dramatically to second environmental pollution.(6) the present invention fills a prescription simply, and raw material sources are extensive, bring convenience to process for processing.(7) extruding pelletization temperature of the present invention is lower, is 100-179 ℃, compare with 180 ℃-200 ℃ of extruding pelletization temperature in the Chinese patent application 02124390.5 obviously on the low side, thereby cut down the consumption of energy, save the production run expense.(8) owing to respectively aluminium hydroxide, magnesium hydroxide are carried out surface preparation with coupling agent before mixing, thereby coupling agent is coated on the consistency that aluminium hydroxide, magnesium hydroxide surface have improved fire retardant and polyethylene base material boundary face.
Embodiment
Fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board of the present invention; aluminium hydroxide wherein; the raw material that magnesium hydroxide adopted is natural crystal powder or synthetic aluminium hydroxide; the powder of magnesium hydroxide; its powder size is the 1500-5000 order; when material is met fire burns; these fire retardants begin the thermal endothermic decomposition dehydration; reduce thermal value and flame temperature; the dilution combustion air; decompose metal oxide that generates and the protective layer that under the effect of retardant synergist, forms one deck firm compact at material surface; play adiabatic protection and the effect that becomes the charcoal resistance to drip; thereby suppress burning, reduce the amount of being fuming.
Fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board of the present invention, its retardant synergist are hydration zinc borate or expansion type flame retardant or the two combination, and the powder size of hydration zinc borate is the 1500-5000 order.Expansion type flame retardant comprises dewatering agent as acid source, as the char-forming agent of carbon source, as the whipping agent of source of the gas; Dewatering agent is original position to generate sour salt when the burning heating, and this salt is an ammonium polyphosphate etc.; Char-forming agent is the polyol compound of rich carbon, and this polyol compound is starch, tetramethylolmethane etc.; Whipping agent is nitrogenous many carbon compounds, and these nitrogenous many carbon compounds are trimeric cyanamide, Dyhard RU 100 etc.Hydration zinc borate is the hydration zinc borate with 3 crystal water or 5 crystal water; hydration zinc borate is heated and sloughs crystal water and make the polymkeric substance charing; dehydration reduction thermal value and flame temperature, dilution combustion air suppress burning thereby charring layer forms protective layer at plate surface.The expansion type flame retardant burning time can form layer of even carbonaceous foam layer at polymer surfaces, and that this carbonaceous foam layer can play is heat insulation, oxygen barrier, press down the effect of cigarette.Reach better flame retardant effect by adding the retardant synergist fire retardant.
Fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board of the present invention, its melt flow rate (MFR) is 0.2-10g/10min, is suitable for extruding moulding coreboard processing.
Fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board of the present invention, its coupling agent is a silane coupling agent, this silane coupling agent is a vinyltriethoxysilane, vinyl tris silane, γ-propyl methacrylate base Trimethoxy silane, γ-amine propyl-triethoxysilicane, N-β-(amine ethyl)-γ-amine propyl group-Trimethoxy silane, β-(3,4-oxygen pushing out ring hexyl)-ethyl trimethoxy silane, γ-Racemic glycidol oxygen propyl trimethoxy silicane, γ-urea propyl-triethoxysilicane or γ-mercaptopropyl trimethoxysilane, the adding of coupling agent have improved the consistency of fire retardant and polyethylene base material boundary face.
The data of the umber of the weight proportion of each component of the embodiment 1 to embodiment 54 in the specific embodiment of the present invention are seen table 1-1 to showing 1-9, concrete operations step with the method for these formulation Zero halogen flame resistance polyethylene core materials is basic identical, promptly has following steps:
1. aluminium hydroxide, magnesium hydroxide are carried out surface preparation with silane coupling agent respectively, mix in the high speed kneader under 100 ℃ of-120 ℃ of temperature condition, mixing time is 10-15 minute, and the rotating speed of high speed kneader is 900r/min.
2. the aluminium hydroxide that will handle, magnesium hydroxide and retardant synergist and the new LDPE (film grade), LLDPE, ethene and the octene copolymer that prepare weight mix in the high speed kneader, mixing time is 15-25 minute, mixing temperature is 80 ℃-120 ℃, and the rotating speed of high speed kneader is 900r/min.
3. the material that mixes is quantitatively transferred to twin screw extruder by single screw rod feeding machine, material is extruded through twin screw extruder.Twin screw extruder extruding pelletization temperature is 100 ℃-179 ℃, and the twin screw extruder rotating speed is that 200r/min, electric current are 60A, and the rotating speed of single screw rod feeding machine is 50r/min, and electric current is 0.4A.
4. the twin screw extruded material is adopted fervent mode granulation and obtains finished product; Perhaps make through twin screw extruder and be extruded into of the cooling of the material of strip, obtain finished product with the dicing machine pelletizing again through the water coolant in the tank.
Table 1-1
| Prescription is formed | Embodiment | |||||
| 1 | 2 | 3 | 4 | 5 | 6 | |
| New LDPE (film grade) | 20 | 15 | 25 | 16 | 16 | 15 |
| LLDPE | 17 | 16 | 15 | 15 | 16 | 20 |
| Ethene and octene copolymer | 5 | 8 | 12 | 6 | 7 | 10 |
| Aluminium hydroxide | 30 | 40 | 30 | 35 | 30 | 34 |
| Magnesium hydroxide | 12 | 10 | 10 | 15 | 10 | 10 |
| Zinc borate | 10 | 8 | 2 | 6 | 10 | 5 |
| Vinyltriethoxysilane | 4 | 1 | 1 | 1 | 1 | 2 |
Table 1-2
| Prescription is formed | Embodiment | |||||
| 7 | 8 | 9 | 10 | 11 | 12 | |
| New LDPE (film grade) | 20 | 15 | 25 | 16 | 16 | 15 |
| LLDPE | 17 | 16 | 15 | 15 | 16 | 20 |
| Ethene and octene copolymer | 5 | 8 | 12 | 6 | 7 | 10 |
| Aluminium hydroxide | 30 | 40 | 30 | 35 | 30 | 34 |
| Magnesium hydroxide | 12 | 10 | 10 | 15 | 10 | 10 |
| Ammonium polyphosphate | 13.5 | 8.5 | 12 | 10 | 9 | 11 |
| Tetramethylolmethane | 0.5 | 0.6 | 0.5 | 0.4 | 0.5 | 0.5 |
| Trimeric cyanamide | 1 | 0.9 | 1 | 1.1 | 1 | 1 |
| Vinyltriethoxysilane | 4 | 1 | 1 | 1 | 1 | 2 |
Table 1-3
| Prescription is formed | Embodiment | |||||
| 13 | 14 | 15 | 16 | 17 | 18 | |
| New LDPE (film grade) | 20 | 15 | 25 | 16 | 16 | 15 |
| LLDPE | 17 | 16 | 15 | 15 | 16 | 20 |
| Ethene and octene copolymer | 5 | 8 | 12 | 6 | 7 | 10 |
| Aluminium hydroxide | 30 | 40 | 30 | 35 | 30 | 34 |
| Magnesium hydroxide | 12 | 10 | 10 | 15 | 10 | 10 |
| Ammonium polyphosphate | 13.5 | 8.5 | 12 | 10 | 9 | 11 |
| Tetramethylolmethane | 0.5 | 0.6 | 0.5 | 0.4 | 0.5 | 0.5 |
| Dyhard RU 100 | 1 | 0.9 | 1 | 1.1 | 1 | 1 |
| Vinyltriethoxysilane | 4 | 1 | 1 | 1 | 1 | 2 |
Table 1-4
| Prescription is formed | Embodiment | |||||
| 19 | 20 | 21 | 22 | 23 | 24 | |
| New LDPE (film grade) | 20 | 15 | 25 | 16 | 16 | 15 |
| LLDPE | 17 | 16 | 15 | 15 | 16 | 20 |
| Ethene and octene copolymer | 5 | 8 | 12 | 6 | 7 | 10 |
| Aluminium hydroxide | 30 | 40 | 30 | 35 | 30 | 34 |
| Magnesium hydroxide | 12 | 10 | 10 | 15 | 10 | 10 |
| Ammonium polyphosphate | 13.5 | 8.5 | 12 | 10 | 9 | 11 |
| Starch | 0.5 | 0.6 | 0.5 | 0.4 | 0.5 | 0.5 |
| Trimeric cyanamide | 1 | 0.9 | 1 | 1.1 | 1 | 1 |
| Vinyltriethoxysilane | 4 | 1 | 1 | 1 | 1 | 2 |
Table 1-5
| Prescription is formed | Embodiment | |||||
| 25 | 26 | 27 | 28 | 29 | 30 | |
| New LDPE (film grade) | 20 | 15 | 25 | 16 | 16 | 15 |
| LLDPE | 17 | 16 | 15 | 15 | 16 | 20 |
| Ethene and octene copolymer | 5 | 8 | 12 | 6 | 7 | 10 |
| Aluminium hydroxide | 30 | 40 | 30 | 35 | 30 | 34 |
| Magnesium hydroxide | 12 | 10 | 10 | 15 | 10 | 10 |
| Ammonium polyphosphate | 13.5 | 8.5 | 12 | 10 | 9 | 11 |
| Starch | 0.5 | 0.6 | 0.5 | 0.4 | 0.5 | 0.5 |
| Dyhard RU 100 | 1 | 0.9 | 1 | 1.1 | 1 | 1 |
| Vinyltriethoxysilane | 4 | 1 | 1 | 1 | 1 | 2 |
Table 1-6
| Prescription is formed | Embodiment | |||||
| 31 | 32 | 33 | 34 | 35 | 36 | |
| New LDPE (film grade) | 20 | 15 | 25 | 16 | 16 | 15 |
| LLDPE | 17 | 16 | 15 | 15 | 16 | 20 |
| Ethene and octene copolymer | 5 | 8 | 12 | 6 | 7 | 10 |
| Aluminium hydroxide | 30 | 40 | 30 | 35 | 30 | 34 |
| Magnesium hydroxide | 12 | 10 | 10 | 15 | 10 | 10 |
| Hydration zinc borate | 8 | 2 | 6 | 5 | 10 | 4 |
| Ammonium polyphosphate | 13 | 9 | 10 | 11 | 13.5 | 12 |
| Tetramethylolmethane | 0.5 | 0.6 | 0.5 | 0.4 | 0.5 | 0.5 |
| Trimeric cyanamide | 1 | 0.9 | 1 | 1.1 | 1 | 1 |
| Vinyltriethoxysilane | 4 | 1 | 1 | 1 | 1 | 2 |
Table 1-7
| Prescription is formed | Embodiment | |||||
| 37 | 38 | 39 | 40 | 41 | 42 | |
| New LDPE (film grade) | 20 | 15 | 25 | 16 | 16 | 15 |
| LLDPE | 17 | 16 | 15 | 15 | 16 | 20 |
| Ethene and octene copolymer | 5 | 8 | 12 | 6 | 7 | 10 |
| Aluminium hydroxide | 30 | 40 | 30 | 35 | 30 | 34 |
| Magnesium hydroxide | 12 | 10 | 10 | 15 | 10 | 10 |
| Hydration zinc borate | 8 | 2 | 6 | 5 | 10 | 4 |
| Ammonium polyphosphate | 13 | 9 | 10 | 11 | 13.5 | 12 |
| Tetramethylolmethane | 0.5 | 0.6 | 0.5 | 0.4 | 0.5 | 0.5 |
| Dyhard RU 100 | 1 | 0.9 | 1 | 1.1 | 1 | 1 |
| Vinyltriethoxysilane | 4 | 1 | 1 | 1 | 1 | 2 |
Table 1-8
| Prescription is formed | Embodiment | |||||
| 43 | 44 | 45 | 46 | 47 | 48 | |
| New LDPE (film grade) | 20 | 15 | 25 | 16 | 16 | 15 |
| LLDPE | 17 | 16 | 15 | 15 | 16 | 20 |
| Ethene and octene copolymer | 5 | 8 | 12 | 6 | 7 | 10 |
| Aluminium hydroxide | 30 | 40 | 30 | 35 | 30 | 34 |
| Magnesium hydroxide | 12 | 10 | 10 | 15 | 10 | 10 |
| Hydration zinc borate | 8 | 2 | 6 | 5 | 10 | 4 |
| Ammonium polyphosphate | 13 | 9 | 10 | 11 | 13.5 | 12 |
| Starch | 0.5 | 0.6 | 0.5 | 0.4 | 0.5 | 0.5 |
| Trimeric cyanamide | 1 | 0.9 | 1 | 1.1 | 1 | 1 |
| Vinyltriethoxysilane | 4 | 1 | 1 | 1 | 1 | 2 |
Table 1-9
| Prescription is formed | Embodiment | |||||
| 49 | 50 | 51 | 52 | 53 | 54 | |
| New LDPE (film grade) | 20 | 15 | 25 | 16 | 16 | 15 |
| LLDPE | 17 | 16 | 15 | 15 | 16 | 20 |
| Ethene and octene copolymer | 5 | 8 | 12 | 6 | 7 | 10 |
| Aluminium hydroxide | 30 | 40 | 30 | 35 | 30 | 34 |
| Magnesium hydroxide | 12 | 10 | 10 | 15 | 10 | 10 |
| Hydration zinc borate | 8 | 2 | 6 | 5 | 10 | 4 |
| Ammonium polyphosphate | 13 | 9 | 10 | 11 | 13.5 | 12 |
| Starch | 0.5 | 0.6 | 0.5 | 0.4 | 0.5 | 0.5 |
| Dyhard RU 100 | 1 | 0.9 | 1 | 1.1 | 1 | 1 |
| Vinyltriethoxysilane | 4 | 1 | 1 | 1 | 1 | 2 |
The mechanical property of the fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board (pellet finished product) that the process aforesaid method obtains and flame retardant properties detect data: tensile strength (GB1040): 12.5-19.6Mpa, flexural strength (GB1042): 9.5-18.5Mpa, elongation at break (GB/T2490): 10.5-22.5%, density (GB1033): 1.29-1.40g/cm
3, combustionproperty all reaches FV-0 level (GB4609-84), and oxygen index (GB2406-80) is 30-34, and melt flow rate (MFR) MFR (GB3682-83) is 0.8-3.0g/10min.Zero halogen flame resistance polyethylene core material mechanical property and the concrete data of flame retardant properties of embodiment 1 to embodiment 54 see Table 2.
Table 2
| Embodiment | Test item | |||||
| Tensile strength (MPa) | Flexural strength (MPa) | Elongation at break (%) | Oxygen index | Melt flow rate (MFR) (g/10min) | Density (g/cm 3) | |
| 1 | 17.8 | 19.3 | 10.5 | 33.2 | 1.6 | 1.30 |
| 2 | 15.4 | 16.1 | 13.5 | 32.8 | 1.2 | 1.31 |
| 3 | 14.1 | 12.9 | 16.8 | 33.9 | 1.5 | 1.32 |
| 4 | 18.6 | 19.3 | 10.4 | 33.8 | 2.0 | 1.34 |
| 5 | 18.3 | 19.1 | 10.9 | 33.9 | 1.8 | 1.35 |
| 6 | 15.4 | 16.7 | 11.5 | 32.9 | 2.5 | 1.34 |
| 7 | 16.6 | 17.4 | 12.0 | 32.1 | 2，3 | 1.32 |
| 8 | 15.9 | 16.4 | 14.3 | 32.5 | 2.6 | 1.33 |
| 9 | 15.3 | 16.1 | 16.8 | 31.8 | 2.7 | 1.31 |
| 10 | 17.9 | 17.9 | 13.5 | 33.7 | 2.6 | 1.32 |
| 11 | 18.3 | 17.3 | 12.6 | 33.0 | 2.7 | 1.31 |
| 12 | 17.6 | 16.8 | 14.1 | 33.1 | 1.9 | 1.34 |
| 13 | 17.3 | 16.4 | 15.1 | 33.2 | 1.0 | 1.34 |
| 14 | 16.8 | 15.4 | 16.6 | 33.2 | 1.3 | 1.34 |
| 15 | 15.9 | 15.1 | 18.3 | 33.5 | 2.0 | 1.33 |
| 16 | 17.3 | 16.5 | 13.6 | 32.7 | 1.8 | 1.32 |
| 17 | 16.3 | 16.0 | 14.7 | 32.8 | 0.9 | 1.34 |
| 18 | 17.0 | 15.9 | 16.1 | 32.8 | 2.4 | 1.32 |
| 19 | 19.1 | 18.5 | 15.4 | 32.5 | 2.8 | 1.33 |
| 20 | 18.6 | 17.3 | 13.8 | 32.7 | 3.0 | 1.34 |
| 21 | 17.9 | 17.1 | 15.1 | 31.6 | 2.6 | 1.30 |
| 22 | 16.9 | 15.8 | 16.3 | 32.5 | 2.7 | 1.33 |
| 23 | 16.8 | 15.8 | 17.5 | 31.9 | 2.4 | 1.32 |
| 24 | 18.7 | 17.5 | 16.5 | 32.7 | 2.3 | 1.32 |
| Embodiment | Test item | |||||
| Tensile strength (MPa) | Flexural strength (MPa) | Elongation at break (%) | Oxygen index | Melt flow rate (MFR) (g/10min) | Density (g/cm 3) | |
| 25 | 19.0 | 18.3 | 1.5.6 | 33.7 | 2.4 | 1.35 |
| 26 | 17.8 | 16.8 | 17.3 | 31.5 | 2.5 | 1.32 |
| 27 | 17.9 | 17.1 | 15.1 | 32.1 | 2.1 | 1.32 |
| 28 | 18.2 | 17.5 | 16.3 | 32.1 | 2.6 | 1.31 |
| 29 | 16.8 | 16.1 | 17.8 | 30.9 | 2.8 | 1.33 |
| 30 | 16.3 | 16.1 | 18.6 | 32.6 | 2.4 | 1.32 |
| 31 | 19.1 | 18.5 | 15.4 | 32.7 | 2.1 | 1.33 |
| 32 | 18.8 | 17.3 | 16.4 | 33.1 | 2.5 | 1.34 |
| 33 | 17.8 | 16.9 | 18.0 | 32.1 | 2.2 | 1.31 |
| 34 | 17.1 | 16.7 | 18.3 | 32.3 | 2.1 | 1.32 |
| 35 | 16.9 | 16.3 | 18.1 | 32.0 | 2.3 | 1.33 |
| 36 | 17.2 | 16.5 | 19.5 | 32.4 | 1.9 | 1.33 |
| 37 | 18.5 | 16.9 | 18.1 | 31.6 | 2.0 | 1.32 |
| 38 | 17.6 | 17.0 | 18.6 | 32.1 | 1.7 | 1.33 |
| 39 | 16.8 | 16.1 | 19.3 | 32.0 | 1.6 | 1.33 |
| 40 | 18.6 | 18.0 | 16.3 | 31.8 | 1.5 | 1.32 |
| 41 | 18.6 | 18.0 | 16.9 | 32.0 | 1.9 | 1.32 |
| 42 | 18.2 | 17.8 | 17.6 | 32.3 | 2.3 | 1.33 |
| 43 | 17.6 | 16.8 | 14.1 | 33.1 | 2.1 | 1.34 |
| 44 | 17.1 | 16.6 | 15.8 | 30.8 | 1.9 | 1.31 |
| 45 | 16.9 | 15.8 | 16.9 | 32.4 | 1.8 | 1.32 |
| 46 | 18.7 | 18.1 | 18.5 | 31.8 | 1.9 | 1.30 |
| 47 | 17.6 | 16.8 | 14.1 | 33.5 | 2.1 | 1.34 |
| 48 | 15.9 | 16.4 | 14.3 | 32.6 | 1.2 | 1.33 |
| 49 | 19.6 | 18.0 | 15.6 | 33.0 | 1.4 | 1.33 |
| 50 | 18.1 | 17.6 | 16.8 | 33.6 | 1.8 | 1.34 |
| 51 | 17.3 | 17.1 | 17.1 | 30.9 | 1.7 | 1.30 |
| 52 | 18.8 | 17.5 | 18.9 | 31.9 | 2.6 | 1.32 |
| 53 | 17.6 | 16.4 | 18.1 | 32.9 | 2.0 | 1.33 |
| 54 | 16.9 | 15.3 | 18.5 | 31.7 | 2.5 | 1.31 |
Above-mentioned fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board (pellet) is carried out (obtain finished product for fervent mode granulation and then do not need drying) after the drying treatment, the pellet of core material is placed on the extrusion moulding of moulding coreboard on the production line of extrusion board unit, obtain certain thickness Zero halogen flame resistance polyethylene sheet material, the Zero halogen flame resistance polyethylene sheet material of moulding and application aluminium sheet are carried out compound on compounding machine, obtain the fire-proof aluminium plastic composite board material.This sheet material is detected according to relative national standards, its combustionproperty index is: burning residue length minimum value (GB/T8625-88): 250-660mm, burning residue length mean value (GB/T8625-88): 355-686mm, average flue-gas temperature (GB/T8625-88): 104-125 ℃, flame cusp height (GB/T8626-88): 15-25mm, smoke density grade (GB/T8627-1999): 2-45.The concrete combustionproperty data of the prepared fireproof aluminum-plastic board of core material of embodiment 1 to embodiment 54 see Table 3.The detection judgement criteria is:
A level: burning residue length minimum value 〉=150mm, burning residue length mean value 〉=350mm, flue-gas temperature≤125 ℃, flame cusp height≤150mm, smoke density grade≤15.
B1 level: burning residue length minimum value＞0mm, burning residue length mean value 〉=150mm, flue-gas temperature≤200 ℃, flame cusp height≤150mm, smoke density grade≤75;
Table 3
| Embodiment | Test item | ||||
| Burning residue length minimum value (mm) | Burning residue length mean value (mm) | Flue-gas temperature (℃) | Flame cusp height (mm) | The smoke density grade | |
| 1 | 390 | 425 | 112.0 | 12 | 12 |
| 2 | 420 | 510 | 106 | 15 | 38 |
| 3 | 430 | 490 | 105 | 15 | 26 |
| 4 | 480 | 510 | 104 | 15 | 31 |
| 5 | 530 | 510 | 112 | 19 | 8 |
| 6 | 560 | 530 | 106 | 15 | 15 |
| 7 | 521 | 511 | 105 | 15 | 8 |
| 8 | 610 | 591 | 104 | 15 | 4 |
| 9 | 560 | 552 | 105 | 15 | 2 |
| 10 | 490 | 458 | 110 | 15 | 8 |
| 11 | 420 | 391 | 123 | 15 | 35 |
| 12 | 423 | 392 | 118 | 15 | 30 |
| 13 | 480 | 450 | 111 | 15 | 23 |
| Embodiment | Test item | ||||
| Burning residue length minimum value (mm) | Burning residue length mean value (mm) | Flue-gas temperature (℃) | Flame cusp height (mm) | The smoke density grade | |
| 14 | 481 | 445 | 112 | 15 | 20 |
| 15 | 460 | 440 | 115 | 15 | 25 |
| 16 | 530 | 508 | 105 | 15 | 24 |
| 17 | 480 | 468 | 120 | 15 | 25 |
| 18 | 485 | 431 | 118 | 15 | 15 |
| 19 | 553 | 504 | 105 | 15 | 6 |
| 20 | 550 | 482 | 109 | 15 | 6 |
| 21 | 423 | 392 | 120 | 15 | 32 |
| 22 | 530 | 508 | 110 | 15 | 25 |
| 23 | 460 | 440 | 115 | 15 | 25 |
| 24 | 480 | 436 | 112 | 15 | 21 |
| 25 | 530 | 504 | 105 | 15 | 6 |
| 26 | 533 | 490 | 105 | 15 | 6 |
| 27 | 530 | 510 | 107 | 15 | 14 |
| 28 | 590 | 561 | 105 | 15 | 5 |
| 29 | 480 | 462 | 109 | 15 | 18 |
| 30 | 556 | 530 | 108 | 15 | 12 |
| 31 | 615 | 601 | 107 | 15 | 8 |
| 32 | 530 | 489 | 120 | 15 | 9 |
| 33 | 510 | 480 | 120 | 15 | 40 |
| 34 | 630 | 608 | 107 | 15 | 5 |
| 35 | 610 | 598 | 107 | 15 | 8 |
| 36 | 560 | 510 | 110 | 15 | 9 |
| 37 | 550 | 530 | 112 | 15 | 11 |
| 38 | 560 | 520 | 110 | 15 | 8 |
| 39 | 535 | 480 | 114 | 15 | 13 |
| 40 | 566 | 525 | 108 | 15 | 9 |
| 41 | 556 | 530 | 108 | 15 | 12 |
| Embodiment | Test item | ||||
| Burning residue length minimum value (mm) | Burning residue length mean value (mm) | Flue-gas temperature (℃) | Flame cusp height (mm) | The smoke density grade | |
| 42 | 550 | 518 | 111 | 15 | 23 |
| 43 | 580 | 556 | 108 | 15 | 10 |
| 44 | 570 | 543 | 112 | 15 | 26 |
| 45 | 530 | 510 | 107 | 15 | 20 |
| 46 | 580 | 561 | 108 | 15 | 7 |
| 47 | 566 | 533 | 109 | 15 | 9 |
| 48 | 556 | 520 | 108 | 15 | 17 |
| 49 | 568 | 550 | 110 | 15 | 8 |
| 50 | 550 | 521 | 118 | 15 | 15 |
| 51 | 489 | 468 | 112 | 15 | 33 |
| 52 | 588 | 561 | 109 | 15 | 8 |
| 53 | 570 | 543 | 112 | 15 | 26 |
| 54 | 535 | 490 | 114 | 15 | 29 |
(embodiment 55 to embodiment 108)
Embodiment 55 is corresponding with embodiment 1, embodiment 56 is corresponding with embodiment 2, and the rest may be inferred, and is corresponding with embodiment 54 up to embodiment 108, the rest part of embodiment 55 to embodiment 108 is identical with corresponding embodiment, and difference is: the coupling agent that is adopted is a vinyl tris silane.The mechanical property of the resulting core material of these embodiment and the corresponding data of flame retardant properties data and corresponding embodiment are basic identical, and the concrete combustionproperty data of the prepared fireproof aluminum-plastic board of core material are basic identical with the corresponding data of corresponding embodiment.
(embodiment 108 to embodiment 162)
Embodiment 108 is corresponding with embodiment 1, embodiment 109 is corresponding with embodiment 2, the rest may be inferred, corresponding up to embodiment 162 with embodiment 54, the rest part of embodiment 108 to embodiment 162 is identical with corresponding embodiment, and difference is: the coupling agent that is adopted is γ-propyl methacrylate base Trimethoxy silane.The mechanical property of the resulting core material of these embodiment and the corresponding data of flame retardant properties data and corresponding embodiment are basic identical, and the concrete combustionproperty data of the prepared fireproof aluminum-plastic board of core material are basic identical with the corresponding data of corresponding embodiment.
(embodiment 163 to embodiment 216)
Embodiment 163 is corresponding with embodiment 1, embodiment 164 is corresponding with embodiment 2, the rest may be inferred, corresponding up to embodiment 216 with embodiment 54, the rest part of embodiment 163 to embodiment 216 is identical with corresponding embodiment, and difference is: the coupling agent that is adopted is γ-amine propyl-triethoxysilicane.The mechanical property of the resulting core material of these embodiment and the corresponding data of flame retardant properties data and corresponding embodiment are basic identical, and the concrete combustionproperty data of the prepared fireproof aluminum-plastic board of core material are basic identical with the corresponding data of corresponding embodiment.
(embodiment 217 to embodiment 270)
Embodiment 217 is corresponding with embodiment 1, embodiment 218 is corresponding with embodiment 2, the rest may be inferred, corresponding up to embodiment 270 with embodiment 54, the rest part of embodiment 217 to embodiment 270 is identical with corresponding embodiment, and difference is: the coupling agent that is adopted is N-β-(amine ethyl)-γ-amine propyl group-Trimethoxy silane.The mechanical property of the resulting core material of these embodiment and the corresponding data of flame retardant properties data and corresponding embodiment are basic identical, and the concrete combustionproperty data of the prepared fireproof aluminum-plastic board of core material are basic identical with the corresponding data of corresponding embodiment.
(embodiment 271 to embodiment 324)
Embodiment 271 is corresponding with embodiment 1, embodiment 272 is corresponding with embodiment 2, the rest may be inferred, corresponding up to embodiment 324 with embodiment 54, the rest part of embodiment 271 to embodiment 324 is identical with corresponding embodiment, difference is: the coupling agent that is adopted is β-(3,4-oxygen pushing out ring hexyl)-ethyl trimethoxy silane.The mechanical property of the resulting core material of these embodiment and the corresponding data of flame retardant properties data and corresponding embodiment are basic identical, and the concrete combustionproperty data of the prepared fireproof aluminum-plastic board of core material are basic identical with the corresponding data of corresponding embodiment.
(embodiment 325 to embodiment 378)
Embodiment 325 is corresponding with embodiment 1, embodiment 326 is corresponding with embodiment 2, the rest may be inferred, corresponding up to embodiment 378 with embodiment 54, the rest part of embodiment 325 to embodiment 378 is identical with corresponding embodiment, and difference is: the coupling agent that is adopted is γ-Racemic glycidol oxygen propyl trimethoxy silicane.The mechanical property of the resulting core material of these embodiment and the corresponding data of flame retardant properties data and corresponding embodiment are basic identical, and the concrete combustionproperty data of the prepared fireproof aluminum-plastic board of core material are basic identical with the corresponding data of corresponding embodiment.
(embodiment 379 to embodiment 432)
Embodiment 379 is corresponding with embodiment 1, embodiment 380 is corresponding with embodiment 2, the rest may be inferred, corresponding up to embodiment 432 with embodiment 54, the rest part of embodiment 379 to embodiment 432 is identical with corresponding embodiment, and difference is: the coupling agent that is adopted is γ-urea propyl-triethoxysilicane.The mechanical property of the resulting core material of these embodiment and the corresponding data of flame retardant properties data and corresponding embodiment are basic identical, and the concrete combustionproperty data of the prepared fireproof aluminum-plastic board of core material are basic identical with the corresponding data of corresponding embodiment.
(embodiment 433 to embodiment 486)
Embodiment 433 is corresponding with embodiment 1, embodiment 434 is corresponding with embodiment 2, the rest may be inferred, corresponding up to embodiment 486 with embodiment 54, the rest part of embodiment 433 to embodiment 486 is identical with corresponding embodiment, and difference is: the coupling agent that is adopted is γ-mercaptopropyl trimethoxysilane.The mechanical property of the resulting core material of these embodiment and the corresponding data of flame retardant properties data and corresponding embodiment are basic identical, and the concrete combustionproperty data of the prepared fireproof aluminum-plastic board of core material are basic identical with the corresponding data of corresponding embodiment.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (10)
1, a kind of fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board is characterized in that: contained component has new LDPE (film grade), LLDPE, ethene and octene copolymer, aluminium hydroxide, magnesium hydroxide, retardant synergist and coupling agent; Each component of this core material umber by weight is: new LDPE (film grade) 15-30 part, LLDPE 15-20 part, ethene and octene copolymer 3-15 part, aluminium hydroxide 30-45 part, magnesium hydroxide 10-15 part, retardant synergist 2-25 part, coupling agent 0.5-5 part.
2, fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board according to claim 1 is characterized in that: retardant synergist is a hydration zinc borate, and the powder size of hydration zinc borate is the 1500-5000 order; Retardant synergist umber by weight is 2-10 part.
3, fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board according to claim 1, it is characterized in that: retardant synergist is an expansion type flame retardant, and expansion type flame retardant comprises dewatering agent as acid source, as the char-forming agent of carbon source with as the whipping agent of source of the gas; Dewatering agent is original position to generate sour salt when the burning heating, and this salt is an ammonium polyphosphate; Char-forming agent is the polyol compound of rich carbon, and this polyol compound is starch or tetramethylolmethane; Whipping agent is nitrogenous many carbon compounds, and these nitrogenous many carbon compounds are trimeric cyanamide or Dyhard RU 100; Retardant synergist umber by weight is 10-15 part.
4, fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board according to claim 1 is characterized in that: retardant synergist is made up of hydration zinc borate and expansion type flame retardant; Retardant synergist umber by weight is 12-25 part, and wherein hydration zinc borate umber by weight is 2-10 part, and expansion type flame retardant umber by weight is 10-15 part; The powder size of hydration zinc borate is the 1500-5000 order; Expansion type flame retardant comprises dewatering agent as acid source, as the char-forming agent of carbon source with as the whipping agent of source of the gas; Dewatering agent is original position to generate sour salt when the burning heating, and this salt is an ammonium polyphosphate; Char-forming agent is the polyol compound of rich carbon, and this polyol compound is starch, tetramethylolmethane; Whipping agent is nitrogenous many carbon compounds, and these nitrogenous many carbon compounds are trimeric cyanamide, Dyhard RU 100.
5, fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board according to claim 1, it is characterized in that: the raw material that aluminium hydroxide, magnesium hydroxide adopted is the powder of natural crystal powder or synthetic aluminium hydroxide, magnesium hydroxide, and its powder size is the 1500-5000 order.
6, fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board according to claim 1 is characterized in that: its melt flow rate (MFR) is 0.8-3.0g/10min.
7, fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board according to claim 1, it is characterized in that: coupling agent is a silane coupling agent, this silane coupling agent is vinyltriethoxysilane, vinyl tris silane, γ-propyl methacrylate base Trimethoxy silane, γ-amine propyl-triethoxysilicane, N-β-(amine ethyl)-γ-amine propyl group-Trimethoxy silane, β-(3,4-oxygen pushing out ring hexyl)-ethyl trimethoxy silane, γ-Racemic glycidol oxygen propyl trimethoxy silicane, γ-urea propyl-triethoxysilicane or γ-mercaptopropyl trimethoxysilane.
8, by the preparation method of the described fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board of one of claim 1 to 7, have following steps: 1. aluminium hydroxide, magnesium hydroxide are mixed in the high speed kneader with silane coupling agent respectively and finished the pre-treatment of aluminium hydroxide and magnesium hydroxide; 2. pretreated aluminium hydroxide and magnesium hydroxide and new LDPE (film grade), LLDPE, ethene and octene copolymer and retardant synergist are mixed with the high speed kneader; 3. the material that mixes is extruded into strip with twin screw extruder; 4. to the twin screw extruded material with fervent mode granulation or make material obtain finished product with dicing machine pelletizing mode granulation through after the water-cooled through twin screw extruder is extruded into strip.
9, the preparation method of fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board according to claim 8, it is characterized in that: the step 1. rotating speed of high speed kneader is 850-1300r/min, mixing temperature is 100 ℃-120 ℃, and mixing time is 10-15 minute.
10, the preparation method of fire-resistant polyethylene core material with no halogen applicable to fireproofing aluminum plastic board according to claim 8, it is characterized in that: step when 2. the high speed kneader mixes its rotating speed be 850-1300r/min, mixing temperature is 80 ℃-120 ℃, and mixing time is 15-25 minute; The 3. middle twin screw extruder extruding pelletization temperature of step is 100 ℃-179 ℃, and the twin screw extruder rotating speed is 200r/min.
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