KR101711571B1 - Environment Friendly and Fire-Retardant Material EVA Panel - Google Patents
Environment Friendly and Fire-Retardant Material EVA Panel Download PDFInfo
- Publication number
- KR101711571B1 KR101711571B1 KR1020150075899A KR20150075899A KR101711571B1 KR 101711571 B1 KR101711571 B1 KR 101711571B1 KR 1020150075899 A KR1020150075899 A KR 1020150075899A KR 20150075899 A KR20150075899 A KR 20150075899A KR 101711571 B1 KR101711571 B1 KR 101711571B1
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- South Korea
- Prior art keywords
- flame retardant
- eva
- weight
- panel
- flame
- Prior art date
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 74
- 239000000463 material Substances 0.000 title abstract description 16
- 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 abstract description 69
- 239000000203 mixture Substances 0.000 claims abstract description 25
- 239000011574 phosphorus Substances 0.000 claims abstract description 11
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 11
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 10
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 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 abstract description 7
- 239000000835 fiber Substances 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 239000010439 graphite Substances 0.000 claims description 13
- 229910002804 graphite Inorganic materials 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 11
- 229910001562 pearlite Inorganic materials 0.000 claims description 8
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 229910021536 Zeolite Inorganic materials 0.000 claims description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 2
- 230000002087 whitening effect Effects 0.000 claims description 2
- 239000010457 zeolite Substances 0.000 claims description 2
- 239000012795 eco-friendly flame retardant Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000011342 resin composition Substances 0.000 abstract description 8
- 229920006328 Styrofoam Polymers 0.000 abstract description 5
- 231100000252 nontoxic Toxicity 0.000 abstract description 5
- 230000003000 nontoxic effect Effects 0.000 abstract description 5
- 239000008261 styrofoam Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000012774 insulation material Substances 0.000 abstract description 3
- 239000012212 insulator Substances 0.000 abstract 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 86
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 84
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 84
- 238000009413 insulation Methods 0.000 description 20
- 238000000465 moulding Methods 0.000 description 13
- 239000006260 foam Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 7
- 238000005187 foaming Methods 0.000 description 7
- 239000010451 perlite Substances 0.000 description 7
- 235000019362 perlite Nutrition 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 5
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 5
- 229910052794 bromium Inorganic materials 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- -1 flame retardant inorganic compound Chemical class 0.000 description 5
- 239000007800 oxidant agent Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000002341 toxic gas Substances 0.000 description 5
- 239000002585 base Substances 0.000 description 4
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000010097 foam moulding Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 229910000000 metal hydroxide Inorganic materials 0.000 description 2
- 150000004692 metal hydroxides Chemical class 0.000 description 2
- 229920005652 polyisobutylene succinic anhydride Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 241001267704 Oxyphanes Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 229920006248 expandable polystyrene Polymers 0.000 description 1
- 239000004794 expanded polystyrene Substances 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 239000012757 flame retardant agent Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000012796 inorganic flame retardant Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000006259 organic additive Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 150000003388 sodium compounds Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
- E04B1/942—Building elements specially adapted therefor slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/88—Insulating elements for both heat and sound
- E04B1/90—Insulating elements for both heat and sound slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Building Environments (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Laminated Bodies (AREA)
Abstract
More particularly, the present invention relates to a foamed soundproof flame retardant insulation material, which is susceptible to fire, which is a problem of conventional insulation materials, and which has flame retardant effect, does not have a function to prevent flame or heat from being transferred to the inside, As a result, the problem of making the fire even more by the internal ignition is caused by the combination of the sponge made of environmentally friendly non-toxic material and the sponge made of non-toxic material and the double plate such as the Oxy-pad material or the styrofoam panel, To solve the problem of the heat insulator.
The present invention relates to a method for producing a flame retardant resin composition comprising 50 to 60% by weight of EVA, 5 to 10% by weight of a phosphorus-based flame retardant, 3 to 7% by weight of aluminum oxide (Al (OH3)) and Zinc Borate, 12 to 23% Flame retardant EVA panel is produced by using a flame retardant composition comprising the flame retardant composition.
Description
The present invention relates to an environmentally friendly flame retardant EVA panel, and more particularly, to an ethylene vinyl acetate (EVA) panel having excellent heat insulation and sound absorption properties and widely used as a building interior material, Flame retardant EVA panel is manufactured by forming a flame retardant composition so as not to generate a toxic gas, thereby minimizing damage caused by fire and protecting life and property.
As a result of the rapid increase in the prices of the weather and energy resources and the reduction of the production, the regulations on the function and installation of the insulation are being strengthened internationally. many.
As a result, the development of fire-fighting industry technology has prevented the construction materials or fire-fighting objects that are likely to be a fire through electrical, mechanical, or chemical devices, but the fire is occurring more frequently and more frequently. Although the insulation is used only for the products that are approved for the function of flame-proofing, the effect of flame-proofing on the insulation is still insignificant. Also, it plays a role in the generation of toxic gas and fire transfer have.
For example, a panel of insulating material using styrofoam is the most commonly used product, but it is the most vulnerable to fire. When a fire occurs, styrofoam inside the panel is flame-ignited due to its low flash point, The digestion liquid is not injected into the panel at the time of evolution, and it is very difficult for the digestion to evolve. Hereinafter, various existing flame retardant and flame retardant products and technologies will be referred to through reference literature.
References 1; 10 to 90 parts of sponge scrap (EVA, PP, PE), 10 to 80 parts of waste plastic and 0 to 10 parts of a binder polymer were crushed and mixed with a base resin, and 1 to 5 parts of a plasticizer, 0.1 to 5 parts of a crosslinking agent, 1 to 15 parts of a blowing agent and 4 to 40 parts of a flame retardant are mixed with a base resin, kneaded, molded into a sheet, and then heated and pressed in a press to obtain a sponge scrap foam composition.
References 2; 95 to 5% by weight of a copolymer (A) comprising ethylene and vinyl acetate or a further polar group-containing monomer, 5 to 95% by weight of a copolymer (B) comprising an olefin and an unsaturated carboxylic acid ester or a further polar group- And 25 to 250 parts by weight of a flame retardant inorganic compound (D) per 100 parts by weight of a base resin composition containing 0 to 49% by weight of a thermoplastic resin (C) other than these.
References 3; A lightweight impact sound insulating layer made of a resin composition comprising an ethylene-vinyl acetate (EVA) copolymer, a foaming agent, carbon black, and a halogen-based flame retardant; and a resin composition comprising a polypropylene resin, a polyethylene resin and a polypropylene resin / And a resin composition containing a selected resin, a halogen-based flame retardant, barium sulfate, and calcium carbonate.
References 4; It is environment friendly, lightweight, strong to water, good compatibility with adhesives for attaching surface plate, and has a flame retardancy of semi-flame retardant, 0.0165 ~ 0.09 A sandwich panel for construction including a flame retardant core material is disclosed.
References 5; Linear low density polyethylene (LLDPE) in which vinyltrimethoxy silane (VTMS) is grafted; Polyisobutylene succinic anhydride (PIBSA) in which vinyltrimethoxysilane (VTMS) is grafted; A flame retardant resin composition composed of an inorganic metal hydroxide, and a mixture of 5% by weight of a catalyst master batch for silane crosslinking with respect to 95% by weight of a flame retardant resin composition.
Preparing a coating solution by mixing and stirring water, a sodium compound, feldspar powder, talc powder, diatomaceous earth, diatomaceous earth, zinc oxide, PVAc, methanol and MEK in Reference 6, At a ratio of 1 to 8% by weight based on the total weight of the flame-retardant styrofoam particles.
References 7; The resin composition comprises 25 to 40% by weight of a base resin; From 30 to 54% by weight of a flame retardant of metal hydroxide; 0.1 to 30% by weight; And 0.1 to 30% by weight of a flame retarding auxiliary agent.
References 8; As a halogen-free flame retardant, a flame retardant polyolefin foam prepared by a combination of a phosphorus compound and a 1,3,5-triazine compound is disclosed, and in Reference 9; A method for producing an aqueous flame retardant adhesive for a flame retardant coating agent for expanded polystyrene, and a flame retarded foamed polystyrene foamed article production method using an aqueous flame retardant adhesive.
See also
Various flame retardant products have been discussed above. Hereinafter, EVA material panels directly related to the present invention will be described.
A molded article (hereinafter referred to as EVA panel) formed by foam molding of an EVA material in the form of a panel or board in a foam molding machine has excellent characteristics such as non-toxicity, light weight, heat insulation property, heat insulation property and sound insulation property, And is widely used as various kinds of interior and exterior materials for the purpose of keeping warm, insulating, and soundproofing.
However, the EVA panel having the above advantages has a problem that the fire resistance is very poor due to the foamed resin body, and the generation of the noxious gas, the flame and the transfer of the flame are severe when the fire occurs.
We will examine this more specifically.
The EVA material is non-toxic, has excellent flexibility, and is resistant to shocks and has superior impact resistance and shock absorption.
Especially, it is very suitable for heat insulation, heat insulation and vibration prevention. It is widely used for shoe sole, cable, solar light sheet, hot melt adhesive, coating, and simple sponge.
Among these EVA materials, EVA panel is evaluated as excellent in heat insulation and sound absorption, but it has a disadvantage that it is heavier than general styrofoam insulation, and it is vulnerable to flame and high temperature due to many volatile or organic additives added at the time of manufacture Lt; / RTI >
The present invention relates to Oxy-PAN fibers. Oxy-PAN fibers have a fine fiber structure and strong mechanical properties. They have a good role as a heat insulating material, , Which are disclosed in References 12 to 15 and the like.
As described above, EVA is non-toxic and has excellent lightweight properties, thermal insulation properties, heat insulation properties, soundproofing properties and economical properties, but has defects in heat resistance as thermoplastic foamed resin materials.
Accordingly, the present invention provides a method of foaming and molding EVA by mixing a flame retardant composition with EVA during the foaming and molding of the EVA panel so as to overcome the weak fire resistance of the EVA panel, thereby providing EVA with flame retardancy, I would like to offer an EVA panel.
That is, according to the present invention, the EVA panel is provided with flame retardancy, so that not only destruction due to the heat of the flame but also toxic gas caused by the combustion is not generated, so there is no self-extinguishing property. And the like.
According to an aspect of the present invention,
According to the invention described in claim 1, A flame retardant composition comprising 50 to 60% by weight of EVA, 5 to 10% by weight of phosphorus flame retardant, 3 to 7% by weight of aluminum oxide (Al 2 O 3 ) and zinc borate whitening agent and 12 to 23% by weight of expanded graphite To 100: 5 to 10 by weight of EVA powder.
According to the invention described in claim 2, Wherein the EVA comprises 50 to 60 wt% of pearlite, 5 to 15 wt% of pearlite, 3 to 7 wt% of phosphorus flame retardant, 2 to 5 wt% of aluminum oxide (Al 2 O 3 ) and zinc borate zeolite, 23% by weight based on 100 parts by weight of the flame retardant composition and 100 parts by weight of the EVA powder.
According to the invention described in claim 3, The method according to claim 1 or 2, wherein the EVA panel is manufactured by inserting oxyfine (PAN) fibers.
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The present invention minimizes the influence of heat or flame of a fire when a fire is generated while maintaining the existing excellent functionality such as heat insulation and sound absorption of the EVA panel, thereby preventing fire transition to another space and preventing occurrence of a larger fire And it is advantageous to prevent toxic gas generation, thereby minimizing property damage and material damage as well as personal injury caused by fire.
In particular, by adding a flame retardant function to an EVA panel having excellent heat insulation and sound absorption properties, it is expected that the EVA panel can be provided for various uses and purposes in addition to the interior and exterior materials for building.
1 is an assembled cross-sectional view of an EVA panel according to an embodiment of the present invention.
2 is an assembled cross-sectional view of an EVA panel according to another embodiment of the present invention.
3 is an assembled cross-sectional view of an EVA panel according to another embodiment of the present invention.
The present invention is characterized by manufacturing a flame-retardant EVA panel by adding and adding a flame retardant composition to EVA which is an environment-friendly material.
In order to impart flame retardancy to the EVA, a flame retardant composition is prepared by mixing a bromine-based, phosphorus-based, chlorine-based and inorganic flame retardant with an oxidizing agent and expanded graphite (hereinafter referred to as expanded graphite) .
Then, perlite is added as a filler to foam and mold the EVA panel.
In addition, the EVA panel formed by foaming or molding is formed by insert-molding oxyphan (PAN) fibers or bonding it with a flame-retardant adhesive.
In addition, the foamed and molded EVA panel of the present invention is constituted by a soundproof wall type or the like, and can be provided as a soundproof wall having flame retardance and heat insulation.
Hereinafter, the present invention will be described in more detail with reference to examples and attached drawings.
The accompanying drawings are merely examples for the purpose of easily explaining the content and scope of the technical idea of the present invention, and thus the technical scope of the present invention is not limited or changed.
It is obvious to those skilled in the art that various changes and modifications can be made within the scope of the technical idea of the present invention based on these examples.
The present invention relates to a process for producing an EVA panel by adding a flame retardant composition to EVA, and a manufacturing process and a method according to foaming and molding of the EVA panel are already known in the art, and the manufacture of the EVA panel That is, the manufacturing method for performing the processes such as the foaming and the molding is applied to a known technology as it is, so that a description thereof will be omitted.
[Example 1]
For 50 to 60 wt% EVA;
5 to 10% by weight of a flame retardant; A flame retardant composition is prepared by mixing 3 to 7% by weight of expanding agent and 12 to 23% by weight of expanded graphite, and foamed and molded by a molding machine to produce an EVA panel.
The flame retardant may be classified into bromine, phosphorus, chlorine, and inorganic. However, in the present invention, phosphorus is selected and used as a flame retardant suitable for EVA. Of course, flame retardants of the same nature can be found in both bromine and inorganic systems.
In addition, the oxidizing agent uses the most known aluminum oxide (Al 2 O 3 ) and zinc borate, and other known oxidizing agents can be selected and used.
The expanded graphite has various mesh types ranging from 300 mesh to 50 mesh depending on the size of the expanded particle diameter. In the present invention, the range of 100 to 80 mesh is used.
However, the mesh of expanded graphite can be variously selected depending on the intended use. That is, it will be selected so as to have an optimal foam particle size depending on the width (thickness) of the EVA panel to be manufactured, the application, and the purpose.
On the other hand, EVA powder may be further added to the flame retardant composition to amplify expansion of expanded graphite.
That is, the EVA powder may be further added to the flame retardant composition at a weight ratio of 100: 5 to 10, and in this case, liquid EVA may be used, but EVA powder is recommended for convenience of processing.
The EVA panel made of the above-mentioned flame retardant composition and foamed and molded in a molding machine is a nonflammable flame-retarded foam, and a porous fireproof layer is formed in the inside. A flame of 800 ° C is directly applied to the surface of the EVA panel. Non-combustible.
These test results are nonflammability equivalent to flame retardant grade 3 in the flame retardant test according to the flame retardancy test method (KS F2271) of the interior materials and structures of buildings.
[Example 2]
For 50 to 60 wt% EVA;
5 to 15% by weight of pearlite, 3 to 7% by weight of a flame retardant; 2 to 5% by weight of an antistatic agent and 12 to 23% by weight of expanded graphite are mixed to form a flame retardant composition, and the EVA panel is produced by foaming and molding in a molding machine.
In the above, pearlite is excellent as a filler as a heat insulating material, a soundproofing agent, a flame retardant, a light weight, and a sound absorbing property, and is inexpensive and advantageous for EVA panel production.
Especially, it is used for various industrial fields such as non-toxic, tasteless, incombustible, acidic, alkali resistant, heat insulating material, and soil improvement.
The pearlite will be described in detail in Test Examples to be described later.
The composition of the flame retardant, the opacifying agent, and the expanded graphite is the same as that of the first embodiment, and will be described again in spite of the redundant explanation.
As known, the flame retardant can be divided into bromine, phosphorus, chlorine, and inorganic. In the present invention, phosphorus is selected and used as a flame retardant suitable for EVA. Of course, flame retardants of the same nature can be found in both bromine and inorganic systems.
Aluminum oxide (Al 2 O 3 ) and zinc borate are the most commonly used oxidizing agents, and other known oxidizing agents can be selected and used.
Expanded graphite has various mesh types such as 300 mesh to 50 mesh depending on the size of the expanded particle size. In the present invention, it is desired to use 100 to 80 mesh.
However, the mesh of expanded graphite can be variously selected depending on the intended use. That is, it will be selected so as to have an optimal foam particle size depending on the width (thickness) of the EVA panel to be manufactured, the application, and the purpose.
On the other hand, EVA powder may be further added to the flame retardant composition to amplify expansion of expanded graphite.
That is, the EVA powder may be further added to the flame retardant composition at a weight ratio of 100: 5 to 10, and in this case, liquid EVA may be used, but EVA powder is recommended for convenience of processing.
The EVA panel made of the flame retardant composition and foamed and molded in a molding machine is a flame-retardant foam having a nonflammable property. A porous fireproof layer is formed on the inside of the EVA panel and the flame directly contacts the surface of the EVA panel. The incombustibility was not burned for 20 minutes.
[Test Example]
Perlite has many features. However, it can be seen from the gas torch test of Table 1 that the function of perlite alone is not improved continuously. However, when the thermometer is placed behind the EVA panel and the gas torch is lit, the temperature change of the rear surface is measured.
It can be seen that the combination of 15% or more in this test does not show a great effect on the heat shielding, which is considered to affect the uniform dispersion in the manufacture of pearlite and EVA panel.
[Example 3]
Oxy-
In order to solve the above-mentioned vulnerability and to secure the heat insulating property of the
Oxy-
The method of inserting the oxy-
Or by molding Oxy-
As described above, the
[Example 4]
The
As shown in FIG. 2, an
[Example 5]
Both sides of an EVA panel made of the composition of Example 1 or Example 2, or an EVA panel having Oxy-PAN fibers inserted therein as in Example 3, Thereby forming an EVA panel having strength.
Both sides of the
BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention.
10: Oxy-PAN fiber
20: EVA panel
30: iron plate
Claims (7)
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| KR1020150075899A KR101711571B1 (en) | 2015-05-29 | 2015-05-29 | Environment Friendly and Fire-Retardant Material EVA Panel |
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| KR1020150075899A KR101711571B1 (en) | 2015-05-29 | 2015-05-29 | Environment Friendly and Fire-Retardant Material EVA Panel |
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| KR20220008510A (en) | 2020-07-14 | 2022-01-21 | 이세홍 | Multifunctional sandwich panel with fire diffusion prevention function |
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| KR100741311B1 (en) | 2006-08-17 | 2007-08-01 | 주식회사 대흥 | Insulating pannel consisted of synthetic resin foam |
| KR100798124B1 (en) | 2007-08-09 | 2008-01-28 | 김영식 | Noncombustible panel for construction |
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