KR20220159502A - Heat-foamed rubber pad with improved anti-inflammatory - Google Patents
Heat-foamed rubber pad with improved anti-inflammatory Download PDFInfo
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- KR20220159502A KR20220159502A KR1020210065955A KR20210065955A KR20220159502A KR 20220159502 A KR20220159502 A KR 20220159502A KR 1020210065955 A KR1020210065955 A KR 1020210065955A KR 20210065955 A KR20210065955 A KR 20210065955A KR 20220159502 A KR20220159502 A KR 20220159502A
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- 229920001971 elastomer Polymers 0.000 title abstract description 4
- 239000005060 rubber Substances 0.000 title abstract description 4
- 230000003110 anti-inflammatory effect Effects 0.000 title 1
- 239000000203 mixture Substances 0.000 claims abstract description 45
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 31
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 31
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229920000578 graft copolymer Polymers 0.000 claims abstract description 29
- 229920003049 isoprene rubber Polymers 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000010439 graphite Substances 0.000 claims abstract description 18
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 18
- 239000003063 flame retardant Substances 0.000 claims abstract description 17
- -1 poly(2,6-diethyl-1,4-phenylene) Polymers 0.000 claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 13
- 239000011347 resin Substances 0.000 claims abstract description 13
- 229920003051 synthetic elastomer Polymers 0.000 claims abstract description 11
- 239000005061 synthetic rubber Substances 0.000 claims abstract description 11
- 229920003048 styrene butadiene rubber Polymers 0.000 claims abstract description 10
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical group ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 5
- 239000011707 mineral Substances 0.000 claims abstract description 5
- 229920001821 foam rubber Polymers 0.000 claims description 17
- 239000006260 foam Substances 0.000 claims description 16
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- 229910010272 inorganic material Inorganic materials 0.000 claims description 8
- 239000011147 inorganic material Substances 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- 239000011787 zinc oxide Substances 0.000 claims description 6
- 239000004156 Azodicarbonamide Substances 0.000 claims description 5
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims description 5
- 235000019399 azodicarbonamide Nutrition 0.000 claims description 5
- 239000002174 Styrene-butadiene Substances 0.000 claims description 4
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 3
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 3
- 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 abstract description 13
- 230000000052 comparative effect Effects 0.000 description 15
- 239000010410 layer Substances 0.000 description 12
- 239000000126 substance Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000003763 carbonization Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 4
- 239000012774 insulation material Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000002087 whitening effect Effects 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 235000010755 mineral Nutrition 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- UPZFLZYXYGBAPL-UHFFFAOYSA-N 2-ethyl-2-methyl-1,3-dioxolane Chemical compound CCC1(C)OCCO1 UPZFLZYXYGBAPL-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 239000013032 Hydrocarbon resin Substances 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 239000005662 Paraffin oil Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920006270 hydrocarbon resin Polymers 0.000 description 1
- 239000012796 inorganic flame retardant Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000009421 internal insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002954 polymerization reaction product Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K3/2279—Oxides; Hydroxides of metals of antimony
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
- C08L71/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
- C08L71/12—Polyphenylene oxides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Fireproofing Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
본 발명은 방염성이 개선된 가열 발포 고무패드에 관한 것이다.The present invention relates to a heated foam rubber pad with improved flame retardancy.
건물이 대형화, 고층화 되어감에 따라 건물에 화재가 발생하면 대형사고로 이어지는 경우가 많다. 이 때문에 소방기준이 강화되고 있는 추세이며, 건축 내장재를 비롯한 기타 설비들의 불연성 및 난연성에 대한 기준도 강화되고 있다.As buildings become larger and taller, a fire in a building often leads to a major accident. For this reason, firefighting standards are being strengthened, and standards for nonflammability and flame retardancy of other facilities including building interior materials are also being strengthened.
방화 차단용 조성물은 목재, 발포 스폰지, 플라스틱 등 가연성 물질에 도포하여 착화를 방지하거나 착화시간을 지연시키는 조성물이다. 이러한 방화 차단용 조성물에는 불연성 또는 난연성 재료에 의한 것과, 가열되면 발포하여 가연성 재료와의 사이에 차단층을 만들어 불꽃을 차단하고, 열이 전도되는 것을 지연시키는 것의 두 종류가 있다. 전자는 물유리, 각종 난연 또는 불연성 수지, 염소화합물 등의 난연재료에 각종의 안료나 불연 분말 등을 첨가한 것이다. 후자는 합성수지를 바인더로 하고 각종 내화제, 발포제, 단열탄화 형성제, 탄화촉진제 등을 첨가하여 가열에 의해 도막이 열분해하여 불연성 가스를 발생하는 것과 수 cm 두께의 스폰지 모양으로 발포된 단열층을 형성함으로써 가연물에 화염 및 열이 전달되는 것을 지연하는 것이다.A composition for preventing fire prevention is a composition that prevents ignition or delays ignition time by applying it to combustible materials such as wood, foam sponge, and plastic. There are two types of fire protection compositions: those made of incombustible or flame retardant materials, and those made of foam when heated to form a barrier layer between a combustible material to block flames and delay the conduction of heat. The former is obtained by adding various pigments or incombustible powders to flame retardant materials such as water glass, various flame retardant or incombustible resins, and chlorine compounds. In the latter, synthetic resin is used as a binder and various fireproofing agents, foaming agents, insulating carbonation formers, carbonization accelerators, etc. are added to generate incombustible gas by thermal decomposition of the coating film by heating, and by forming a foamed insulation layer in the shape of a sponge with a thickness of several cm, combustible substances to delay the transfer of flame and heat to
건축자재용으로 사용가능한 불연성 조성물에 관한 종래기술인 등록특허 제10-0996720호는 불연성 도막 형성용 조성물 및 이로부터 얻어진 불연성 도막에 관한 것으로서, (a) 수용성 또는 수분산성 아크릴계 수지 및 수용성 또는 수분산성 비닐계 수지에서 선택된 적어도 1종의 바인더 수지 50.4 ~ 64.8중량%; (b) 물 9.6 ~ 25.2중량%; (c) 팽창성 흑연 6 ~ 26중량%; 및 (d) 백등유 2 ~ 4 중량%를 포함하는 불연성 도막 형성용 조성물을 제시한다. 상기 구성의 불연성 도막 형성용 조성물은 팽창성 흑연의 작용에 의해 불연성을 가지는 효과를 실현하였다. 하지만 상기 종래기술에 의한 불연성 조성물은 흑연이 화염에 의하여 가열되면 경화된 다른 조성물을 손상시키며 외부로 튕겨져 나오려는 성질을 가지기 때문에 충분한 불연성을 구현하지 못하는 단점이 있으며 또한 외부 유기용제에 대한 내약품성이 취약하다는 단점이 있다.Patent Registration No. 10-0996720, which is a prior art concerning a non-flammable composition usable for building materials, relates to a composition for forming a non-flammable coating film and a non-flammable coating film obtained therefrom, including (a) water-soluble or water-dispersible acrylic resin and water-soluble or water-dispersible vinyl. 50.4 to 64.8% by weight of at least one binder resin selected from base resins; (b) 9.6 to 25.2% by weight of water; (c) 6 to 26% by weight of expandable graphite; and (d) a composition for forming an incombustible coating film comprising 2 to 4% by weight of white kerosene. The composition for forming an incombustible coating film having the above structure realized an effect of having incombustibility by the action of expandable graphite. However, the incombustible composition according to the prior art has a disadvantage in that it does not implement sufficient incombustibility because graphite has a property of damaging other cured compositions and repelling to the outside when heated by a flame, and also has chemical resistance to external organic solvents It has the downside of being vulnerable.
이에, 본 발명자들은 방화 차단용 가열 발포 고무패드에 대하여 연구하던 중, 가황되지 않는 이소프렌 고무(IR), PVC 그라프트 공중합체 및 폴리(2,6-디에틸-1,4-페닐렌)에테르를 혼합한 조성물이 불연성 및 내약품성을 개선시킬 수 있음을 확인함으로써 본 발명을 완성하였다.Accordingly, while the present inventors were researching a heated foam rubber pad for fire protection, unvulcanized isoprene rubber (IR), PVC graft copolymer and poly(2,6-diethyl-1,4-phenylene) ether The present invention was completed by confirming that the mixed composition can improve incombustibility and chemical resistance.
따라서 본 발명의 목적은 방염성 및 내약품성을 개선시킬 수 있는 방화 차단용 가열 발포 고무패드를 제공하는데 있다.Accordingly, an object of the present invention is to provide a heated foam rubber pad for fire protection capable of improving flame retardancy and chemical resistance.
상술한 목적을 달성하기 위하여, 본 발명의 일 실시예에 따른 방화 차단용 가열 발포 고무패드의 조성물은 가황되지 않는 이소프렌 고무(IR) 및 PVC 그라프트 공중합체로 이루어진 제1 조성물; 1종 또는 2종 이상의 합성고무로 이루어진 제2 조성물; 에틸렌초산비닐 공중합체(ethylene-vinyl acetate copolymer, EVA) 수지; 팽창성 흑연 무기물; 및 난연제를 포함한다.In order to achieve the above object, a composition of a heated foam rubber pad for fire protection according to an embodiment of the present invention includes a first composition consisting of unvulcanized isoprene rubber (IR) and a PVC graft copolymer; A second composition made of one or two or more synthetic rubbers; ethylene-vinyl acetate copolymer (EVA) resin; expandable graphite minerals; and flame retardants.
또한, 본 발명의 일 실시예에 따른 방화 차단용 가열 발포 고무패드의 조성물에 있어서, 상기 PVC 그라프트 공중합체는 에틸렌초산비닐 공중합체(EVA)와 염화비닐 단위체와의 그라프트 공중합체(EVA-PVC 그라프트 공중합체)인 것을 특징으로 한다.In addition, in the composition of the heated foam rubber pad for fire protection according to an embodiment of the present invention, the PVC graft copolymer is a graft copolymer of an ethylene-vinyl acetate copolymer (EVA) and a vinyl chloride unit (EVA- It is characterized in that it is a PVC graft copolymer).
또한, 본 발명의 일 실시예에 따른 방화 차단용 가열 발포 고무패드의 조성물에 있어서, 상기 조성물은 폴리(2,6-디에틸-1,4-페닐렌)에테르를 더 포함할 수 있다.In addition, in the composition of the heated foam rubber pad for fire protection according to an embodiment of the present invention, the composition may further include poly(2,6-diethyl-1,4-phenylene) ether.
본 발명의 일 실시예에 따른 방화 차단용 가열 발포 고무패드는 발포층을 포함하는 방화 차단용 가열 발포 고무패드로서, 상기 발포층은, 가황되지 않는 이소프렌 고무(IR) 및 PVC 그라프트 공중합체로 이루어진 제1 조성물; 1종 또는 2종 이상의 합성고무로 이루어진 제2 조성물; 에틸렌초산비닐 공중합체(ethylene-vinyl acetate copolymer, EVA) 수지; 팽창성 흑연 무기물 및 난연제를 포함한다.A heated foam rubber pad for fire protection according to an embodiment of the present invention is a heated foam rubber pad for fire protection including a foam layer, wherein the foam layer is made of unvulcanized isoprene rubber (IR) and a PVC graft copolymer. a first composition consisting of; A second composition made of one or two or more synthetic rubbers; ethylene-vinyl acetate copolymer (EVA) resin; expandable graphite minerals and flame retardants.
또한, 본 발명의 일 실시예에 따른 방화 차단용 가열 발포 고무패드에 있어서, 상기 PVC 그라프트 공중합체는 에틸렌초산비닐 공중합체(EVA)와 염화비닐 단위체와의 그라프트 공중합체(EVA-PVC 그라프트 공중합체)인 것을 특징으로 한다.In addition, in the heated foam rubber pad for fire protection according to an embodiment of the present invention, the PVC graft copolymer is a graft copolymer of an ethylene-vinyl acetate copolymer (EVA) and a vinyl chloride unit (EVA-PVC graft It is characterized in that it is a t copolymer).
본 발명의 방염성이 개선된 가열 발포 고무패드에 따르면, 팽창성 흑연이 화염에 의하여 가열되면 경화된 다른 조성물을 손상시키며 외부로 튕겨져 나오는 것을 방지하여 방염성을 개선시키는 효과가 있고, 외부 유기용제에 대한 내약품성이 개선되는 우수한 효과가 있다.According to the heated foam rubber pad with improved flame retardancy of the present invention, when the expandable graphite is heated by a flame, it damages other cured compositions and prevents it from being bounced out to the outside, thereby improving flame retardancy, and has resistance to external organic solvents. It has an excellent effect of improving chemical properties.
본 발명은 다양한 변환을 가할 수 있고 여러 가지 실시예를 가질 수 있는 바, 바람직한 실시예를 상세하게 설명하고자 한다. Since the present invention can apply various transformations and have various embodiments, preferred embodiments will be described in detail.
본 발명에 따른 방화 차단용 가열 발포 고무패드의 조성물은 가황되지 않는 이소프렌 고무(IR) 및 PVC 그라프트 공중합체로 이루어진 제1 조성물, 1종 또는 2종 이상의 합성고무로 이루어진 제2 조성물, 에틸렌초산비닐 공중합체(ethylene-vinyl acetate copolymer, EVA) 수지, 팽창성 흑연 무기물 및 난연제을 포함한다.The composition of the heated foam rubber pad for fire protection according to the present invention includes a first composition composed of unvulcanized isoprene rubber (IR) and a PVC graft copolymer, a second composition composed of one or more types of synthetic rubber, and ethylene acetic acid It contains ethylene-vinyl acetate copolymer (EVA) resin, expandable graphite inorganic material and flame retardant.
보다 바람직하게는, 본 발명에 따른 방화 차단용 가열 발포 고무패드의 조성물은 가황되지 않는 이소프렌 고무(IR) 및 PVC 그라프트 공중합체로 이루어진 제1 조성물 15~ 25 중량부, 1종 또는 2종 이상의 합성고무로 이루어진 제2 조성물 5 ~ 15 중량부, 에틸렌초산비닐 공중합체(ethylene-vinyl acetate copolymer, EVA) 수지 5 ~ 15 중량부, 팽창성 흑연 무기물 25 ~ 35 중량부 및 난연제 5~ 15 중량부를 포함한다.More preferably, the composition of the heated foam rubber pad for fire protection according to the present invention is 15 to 25 parts by weight of a first composition consisting of unvulcanized isoprene rubber (IR) and a PVC graft copolymer, one or two or more 5 to 15 parts by weight of the second composition made of synthetic rubber, 5 to 15 parts by weight of an ethylene-vinyl acetate copolymer (EVA) resin, 25 to 35 parts by weight of expandable graphite inorganic material, and 5 to 15 parts by weight of a flame retardant do.
이소프렌 고무(IR)는 이소프렌의 중합체로서 물리적 성질이 천연고무와 거의 비슷한 합성고무로, 단위체인 이소프렌 용액을 치글러(Ziegler) 촉매나 알킬리튬 촉매를 사용하여 중합시켜 얻는다. 이소프렌 고무(IR)는 천연고무에 비해 내마멸성, 내노화성 및 흡수성이 뛰어나다.Isoprene rubber (IR) is a polymer of isoprene and is a synthetic rubber whose physical properties are almost similar to those of natural rubber. It is obtained by polymerizing an isoprene solution using a Ziegler catalyst or an alkyllithium catalyst. Isoprene rubber (IR) has excellent abrasion resistance, aging resistance and water absorption compared to natural rubber.
PVC 그라프트 공중합체는 에틸렌초산비닐 공중합체(EVA)와 염화비닐 단위체와의 그라프트 공중합체(EVA-PVC 그라프트 공중합체)이다. 상기 EVA-PVC 그라프트 공중합체는 공지의 기술을 이용하여 제조할 수 있다. 예컨대, 교반기가 부착된 고압반응기(용량 2ℓ)에 초산 비닐 함량 40중량%, 용융지수 55g/10분인 EVA 100g, 과산화벤조일 0.5g, 메틸셀룰로스 0.5g, 증류수 620g, 염화비닐 단위체 185g, n-부틸 메타크릴레이트 27g, 아크릴로니트릴 11g을 투입하고 실온에서 1시간 교반한뒤 온도를 60℃로 올려 8시간 중합시킨다. 중합 반응물을 250메쉬(mesh)의 체(sieve)로 여과하여 수세하고 40℃에서 10시간 통풍 건조시키면 백색 입자상의 그라프트 공중합체 297g을 얻는다. 이 그라프트 공중합수지 100g에 유기 안정제 3g을 혼합하고 180℃에서 7분간 프레스(press)하여 EVA-PVC 그라프트 공중합체를 제조한다(공개특허 1984-0008185 참조).The PVC graft copolymer is a graft copolymer of an ethylene-vinyl acetate copolymer (EVA) and a vinyl chloride unit (EVA-PVC graft copolymer). The EVA-PVC graft copolymer can be prepared using a known technique. For example, in a high-pressure reactor (capacity 2L) equipped with an agitator, 40% by weight of vinyl acetate, 100g of EVA with a melt index of 55g/10min, 0.5g of benzoyl peroxide, 0.5g of methylcellulose, 620g of distilled water, 185g of vinyl chloride unit, n-butyl After adding 27 g of methacrylate and 11 g of acrylonitrile, stirring at room temperature for 1 hour, the temperature was raised to 60° C. and polymerized for 8 hours. The polymerization reaction product was filtered through a 250 mesh sieve, washed with water, and air-dried at 40° C. for 10 hours to obtain 297 g of a graft copolymer in the form of white particles. 3 g of an organic stabilizer was mixed with 100 g of the graft copolymer resin and pressed at 180° C. for 7 minutes to prepare an EVA-PVC graft copolymer (see Patent Publication 1984-0008185).
합성고무는 SSBR(Solution Styrene Butadiene Rubber), SBR(Styrene Butadiene Rubber), BR(Butadiene Rubber), NBR(Nitrile-butadiene rubber) EPDM, EPT 등과 같이 종래에 공지되거나 널리 알려진 합성고무이다.Synthetic rubber is conventionally known or widely known synthetic rubber such as SSBR (Solution Styrene Butadiene Rubber), SBR (Styrene Butadiene Rubber), BR (Butadiene Rubber), NBR (Nitrile-butadiene rubber) EPDM, EPT, and the like.
팽창성 흑연 무기물은 카본을 3,000℃ 이상에서 추출한 탄소 조직으로 100~200℃에서 발포팽창을 시작하여 40~300% 까지 팽창하고 화재발생시 화염전파를 차단하고 유해성 가스방출을 감소시킨다.Expandable graphite inorganic material is a carbon structure extracted from carbon at 3,000℃ or higher. It starts foaming and expansion at 100~200℃ and expands up to 40~300%, blocks flame propagation in case of fire and reduces harmful gas emission.
발포 효율을 높이기 위하여 필요에 따라 상기 팽창성 흑연 무기물에 탄산칼슘, 아조디카본아미드, 산화아연을 추가로 사용할 수 있다.In order to increase the foaming efficiency, calcium carbonate, azodicarbonamide, and zinc oxide may be additionally used in the expandable graphite inorganic material, if necessary.
난연제는 공지의 난연제를 사용할 수 있다. 예컨대, 할로겐계 화합물, 안티몬계 산화물, 인계 화합물, 염소계 화합물, 중에서 선택하여 1종 단독 또는 2종 이상을 혼합하여 사용할 수 있다. As the flame retardant, known flame retardants can be used. For example, a halogen-based compound, an antimony-based oxide, a phosphorus-based compound, or a chlorine-based compound may be selected and used alone or in combination of two or more.
본 발명의 방화 차단용 가열 발포 고무패드의 조성물은 팽창성 흑연이 화염에 의하여 가열되면 경화된 다른 조성물을 손상시키며 외부로 튕겨져 나오는 것을 방지하여 방염성을 개선시킬 수 있다. The composition of the heated foam rubber pad for fire protection of the present invention can improve flame retardancy by preventing the expandable graphite from being bounced outward while damaging other cured compositions when heated by a flame.
본 발명의 조성물은 내산성 및 내염기성 등 내약품성을 개선시키기 위하여 폴리(2,6-디에틸-1,4-페닐렌)에테르를 더 포함할 수 있다. 폴리(2,6-디에틸-1,4-페닐렌)에테르는 기계적 특성, 전기적 특성 및 내열성이 뛰어나며, 본 발명의 조성물에 상기 폴리(2,6-디에틸-1,4-페닐렌)에테르가 더 포함될 경우 황산 및 가성소다에 침지된 상태에서도 백화현상, 팽창 및 크랙이 존재하지 않아 내산성 및 내염기성 등 내약품성이 현저히 개선될 수 있다.The composition of the present invention may further include poly(2,6-diethyl-1,4-phenylene) ether to improve chemical resistance such as acid resistance and basic resistance. Poly(2,6-diethyl-1,4-phenylene) ether has excellent mechanical properties, electrical properties and heat resistance, and the poly(2,6-diethyl-1,4-phenylene) When ether is further included, whitening, expansion, and cracks do not exist even when immersed in sulfuric acid and caustic soda, so that chemical resistance such as acid resistance and base resistance can be remarkably improved.
본 발명에 따른 방화 차단용 가열 발포 고무패드는 발포층을 포함하고, 상기 발포층은, 가황되지 않는 이소프렌 고무(IR) 및 PVC 그라프트 공중합체로 이루어진 제1 조성물, 1종 또는 2종 이상의 합성고무로 이루어진 제2 조성물, 에틸렌초산비닐 공중합체(ethylene-vinyl acetate copolymer, EVA) 수지, 팽창성 흑연 무기물 및 난연제를 포함한다. 이러한 발포층에는 발포 효율을 높이기 위하여 필요에 따라 상기 팽창성 흑연 무기물에 탄산칼슘, 아조디카본아미드, 산화아연을 추가로 사용할 수 있다.A heated foam rubber pad for fire protection according to the present invention includes a foam layer, and the foam layer is composed of a first composition composed of unvulcanized isoprene rubber (IR) and a PVC graft copolymer, or a combination of one or two or more materials. It includes a second composition made of rubber, an ethylene-vinyl acetate copolymer (EVA) resin, an expandable graphite inorganic material, and a flame retardant. In this foam layer, calcium carbonate, azodicarbonamide, and zinc oxide may be additionally used in the expandable graphite inorganic material, if necessary, to increase foaming efficiency.
상기 방화 차단용 가열 발포 고무패드는 점착층을 더 포함할 수 있다. 점착층은 발포층을 방화문 등의 방화부재에 적용하는 과정에서 발포층의 상부면 또는 하부면에 형성되는 부재이다. 즉, 점착층은 상기 발포층의 상부 또는 하부에 적층 형성되어 상기 발포층을 방화부재에 점착되도록 하며, 폴리에틸렌 수지 15 중량부, 탄산칼슘 32 중량부, 탄화수소 수지 8 중량부, 파라핀 오일 15 중량부, 산화아연 4 중량부 및 아크릴 수지 26 중량부를 포함할 수 있다.The heated foam rubber pad for fire protection may further include an adhesive layer. The adhesive layer is a member formed on the upper or lower surface of the foam layer in the process of applying the foam layer to a fire prevention member such as a fire door. That is, the adhesive layer is laminated on the top or bottom of the foam layer to adhere the foam layer to the fire protection member, 15 parts by weight of polyethylene resin, 32 parts by weight of calcium carbonate, 8 parts by weight of hydrocarbon resin, 15 parts by weight of paraffin oil , 4 parts by weight of zinc oxide and 26 parts by weight of an acrylic resin.
이하, 실시예 및 실험예를 통하여 본 발명을 더욱 상세하게 설명하고자 하나, 하기의 실시예 및 실험예는 단지 설명의 목적을 위한 것이며, 본 발명의 범위를 한정하고자 하는 것은 아니다.Hereinafter, the present invention will be described in more detail through examples and experimental examples, but the following examples and experimental examples are only for the purpose of explanation and are not intended to limit the scope of the present invention.
<실시예 1><Example 1>
가황되지 않는 이소프렌 고무(IR) 및 에틸렌초산비닐 공중합체(EVA)와 염화비닐 단위체와의 그라프트 공중합체(EVA-PVC 그라프트 공중합체)가 동량비로 혼합된 제1 조성물 20 중량부, SBR(Styrene Butadiene Rubber)로 이루어진 제2 조성물 10 중량부, 에틸렌초산비닐 공중합체(ethylene-vinyl acetate copolymer, EVA) 수지 10 중량부, 팽창성 흑연 무기물 30 중량부, 탄산칼슘 10 중량부, 아조디카본아미드 5 중량부, 산화아연 5 중량부 및 산화안티몬(난연제) 10 중량부를 교반기에 투입 후 상온에서 10~30분간 고르게 혼합하여 균질화시키는 원료혼합공정을 수행한다.20 parts by weight of a first composition in which unvulcanized isoprene rubber (IR) and a graft copolymer of an ethylene-vinyl acetate copolymer (EVA) and a vinyl chloride unit (EVA-PVC graft copolymer) are mixed in equal proportions, SBR ( Styrene Butadiene Rubber), 10 parts by weight of the second composition, 10 parts by weight of ethylene-vinyl acetate copolymer (EVA) resin, 30 parts by weight of expandable graphite inorganic material, 10 parts by weight of calcium carbonate, 5 parts by weight of azodicarbonamide After adding parts by weight, 5 parts by weight of zinc oxide and 10 parts by weight of antimony oxide (flame retardant) to a stirrer, a raw material mixing process is performed to homogenize by uniformly mixing at room temperature for 10 to 30 minutes.
상기 원료혼합공정이 완료되면 몰드 내부에 일정량의 혼합된 상기 조성물을 투입 후, 100~300㎏/㎠의 압력에서 5~8분 동안 압착 성형하여 3mm 두께의 패드 형태로 제조하는 몰드압착 성형공정을 수행한다.After the raw material mixing process is completed, a certain amount of the mixed composition is put into the mold, and then press-molded for 5 to 8 minutes at a pressure of 100 to 300 kg / cm 2 to form a pad with a thickness of 3 mm. carry out
상기 몰드압착 성형공정의 수행이 완료되면 몰드 내부에 성형된 발포 팽창성 패드를 탈형시키는 탈형 공정을 수행한 다음, 상기 몰드로부터 탈형된 발포 팽창성 패드를 상온에서 10~15시간 원료 상호간에 안정된 결합을 유도하는 숙성공정을 진행하여 방화 차단용 발포 팽창성 패드를 제조하였다.When the mold compression molding process is completed, a demolding process of demolding the foamed expandable pad molded inside the mold is performed, and then the foamed expandable pad demolded from the mold is kept at room temperature for 10 to 15 hours to induce stable bonding between the raw materials. An aging process was performed to prepare a foamed expandable pad for fire protection.
<실시예 2><Example 2>
실시예 1과 동일하게 실시하되, 원료혼합공정에서 폴리(2,6-디에틸-1,4-페닐렌)에테르 10 중량부를 더 첨가하여 방화 차단용 발포 팽창성 패드를 제조하였다.In the same manner as in Example 1, 10 parts by weight of poly(2,6-diethyl-1,4-phenylene) ether was further added in the raw material mixing process to prepare a foamed expandable pad for fire protection.
< 비교예><Comparative Example>
실시예 1과 동일하게 실시하되, 하기 표 1에 나타낸 것처럼 각 성분들을 혼합하여 비교예 1 내지 비교예 3의 조성물을 완성하고 패드를 제작하였다. It was carried out in the same manner as in Example 1, but as shown in Table 1 below, the compositions of Comparative Examples 1 to 3 were completed by mixing each component, and pads were manufactured.
비교예 3의 경우 이소프렌고무 대신 클로로프렌 고무를 투입하였다.In Comparative Example 3, chloroprene rubber was used instead of isoprene rubber.
비교예 4의 경우 실시예 2와 동일하게 실시하되, 폴리(2,6-디에틸-1,4-페닐렌)에테르 대신 폴리(2,3,6-트리메틸-1,4-페닐렌)에테르를 투입하였다.Comparative Example 4 was performed in the same manner as in Example 2, but poly(2,3,6-trimethyl-1,4-phenylene) ether was used instead of poly(2,6-diethyl-1,4-phenylene) ether. was put in.
(중량부)division
(parts by weight)
<실험예> <Experimental example>
실시예 1 및 2, 비교예 1 내지 4의 배합으로 제조된 조성물을 제조하여 2mm 두께의 발포 팽창성 패드를 제조한 후 MDF판(Medium-Density Fibreboard)에 부착하고, 휴대용 토치램프를 사용하여 동일조건으로 5분 동안 화염방사를 실시하여 방염성, 가스발생 여부 및 MDF판 탄화여부을 시험하였다. After preparing the composition prepared by the formulation of Examples 1 and 2 and Comparative Examples 1 to 4, a foamed expandable pad having a thickness of 2 mm was prepared, attached to an MDF board (Medium-Density Fibreboard), and using a portable torch lamp under the same conditions. Flame-spinning was performed for 5 minutes to test flame retardancy, gas generation, and carbonization of the MDF plate.
내약품성과 관련하여, 내산성의 경우 5% 황산에 24시간 침지하여 백화현상, 팽창 및 크랙 유무를 확인하였고, 내염기성의 경우 5% NaOH에 24시간 침지하여 백화현상, 팽창 및 크랙 유무를 확인하였고, 그 결과를 아래의 표 2에 나타내었다.Regarding chemical resistance, in the case of acid resistance, immersion in 5% sulfuric acid for 24 hours confirmed the presence or absence of whitening, expansion and cracks, and in the case of basic resistance, immersion in 5% NaOH for 24 hours, whitening, expansion and cracks were confirmed. , and the results are shown in Table 2 below.
◎: 양호, △: 보통, ×: 불량◎: Good, △: Normal, ×: Bad
상기 시험결과 실시예 1 및 실시예 2의 조성물이 방염성, 가스발생 여부 및 MDF판 탄화여부에서 비교예 1 내지 3과 대비하여 개선되었음을 알 수 있다. 실시예 1 및 실시예 2의 발포 팽창성 패드가 단열재와 철판 사이에 부착할 경우 화재발생시 발포 팽창성 패드가 팽창하여 두꺼운 난연패드층이 형성되어 공기의 흐름을 차단하고 단열재 내부로의 화염전파를 차단하게 됨으로써 내부 단열재의 보호는 물론 열에 의한 단열재의 탄화현상을 방지하고, 연기 및 유해가스의 발생을 현저하게 감소시킬 수 있는 유리한 효과가 있다.As a result of the test, it can be seen that the compositions of Examples 1 and 2 were improved compared to Comparative Examples 1 to 3 in terms of flame retardancy, gas generation, and carbonization of the MDF plate. When the foam expandable pad of Example 1 and Example 2 is attached between the insulation material and the iron plate, the foam expandable pad expands to form a thick flame retardant pad layer in the event of a fire to block air flow and flame propagation into the insulation material. As a result, there is an advantageous effect of protecting the internal insulation material, preventing carbonization of the insulation material due to heat, and significantly reducing the generation of smoke and harmful gases.
한편, 폴리(2,6-디에틸-1,4-페닐렌)에테르를 포함하지 않은 실시예 1, 비교예 1 내지 비교예 4의 경우 내산성 및 내염기성 등 내약품성에 있어서 불량이거나 보통인 수준에 불과한 반면, 폴리(2,6-디에틸-1,4-페닐렌)에테르를 더 포함하여 제조된 발포 팽창성 패드에 관한 실시예 2의 경우 황산 및 가성소다에 침지된 상태에서도 백화현상, 팽창 및 크랙이 존재하지 않아 내산성 및 내염기성 등 내약품성이 현저히 개선되었다On the other hand, in the case of Example 1 and Comparative Examples 1 to 4, which do not contain poly(2,6-diethyl-1,4-phenylene) ether, chemical resistance such as acid resistance and basic resistance is poor or normal. On the other hand, in the case of Example 2 related to the foamed expandable pad prepared by further including poly(2,6-diethyl-1,4-phenylene) ether, whitening and expansion occur even when immersed in sulfuric acid and caustic soda. and cracks do not exist, so the chemical resistance such as acid resistance and base resistance is remarkably improved.
한편, 이상의 상세한 설명은 모든 면에서 제한적으로 해석되어서는 아니되고 예시적인 것으로 고려되어야 한다. 본 발명의 범위는 첨부된 청구항의 합리적 해석에 의해 결정되어야 하고, 본 발명의 등가적 범위 내에서의 모든 변경은 본 발명의 범위에 포함된다.On the other hand, the above detailed description should not be construed as limiting in all respects and should be considered as illustrative. The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the present invention are included in the scope of the present invention.
Claims (2)
상기 발포층은,
가황되지 않는 이소프렌 고무(IR) 및 PVC 그라프트 공중합체로 이루어진 제1 조성물;
1종 또는 2종 이상의 합성고무로 이루어진 제2 조성물;
에틸렌초산비닐 공중합체(ethylene-vinyl acetate copolymer, EVA) 수지;
팽창성 흑연 무기물;
난연제; 및
폴리(2,6-디에틸-1,4-페닐렌)에테르;를 포함하고,
상기 PVC 그라프트 공중합체는 에틸렌초산비닐 공중합체(EVA)와 염화비닐 단위체와의 그라프트 공중합체(EVA-PVC 그라프트 공중합체)이고,
상기 제2 조성물의 합성고무는 SBR(Styrene Butadiene Rubber)인 것을 특징으로 하는 방화 차단용 가열 발포 고무패드.
A heated foam rubber pad for fire protection including a foam layer,
The foam layer,
A first composition consisting of unvulcanized isoprene rubber (IR) and a PVC graft copolymer;
A second composition made of one or two or more synthetic rubbers;
ethylene-vinyl acetate copolymer (EVA) resin;
expandable graphite minerals;
flame retardants; and
Including; poly(2,6-diethyl-1,4-phenylene) ether;
The PVC graft copolymer is a graft copolymer of an ethylene-vinyl acetate copolymer (EVA) and a vinyl chloride unit (EVA-PVC graft copolymer),
The synthetic rubber of the second composition is a heated foam rubber pad for fire protection, characterized in that SBR (Styrene Butadiene Rubber).
상기 발포층은,
제1 조성물 20 중량부, 제2 조성물 10 중량부, 에틸렌초산비닐 공중합체 수지 10 중량부, 팽창성 흑연 무기물 30 중량부, 탄산칼슘 10 중량부, 아조디카본아미드 5 중량부, 산화아연 5 중량부, 산화안티몬 10 중량부 및 폴리(2,6-디에틸-1,4-페닐렌)에테르 10 중량부를 포함하는 것을 특징으로 하는 방화 차단용 가열 발포 고무패드.According to claim 1,
The foam layer,
20 parts by weight of the first composition, 10 parts by weight of the second composition, 10 parts by weight of ethylene vinyl acetate copolymer resin, 30 parts by weight of expandable graphite inorganic material, 10 parts by weight of calcium carbonate, 5 parts by weight of azodicarbonamide, 5 parts by weight of zinc oxide , 10 parts by weight of antimony oxide and 10 parts by weight of poly(2,6-diethyl-1,4-phenylene) ether.
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