JPS63286491A - Flame-retardant foaming material - Google Patents
Flame-retardant foaming materialInfo
- Publication number
- JPS63286491A JPS63286491A JP12154487A JP12154487A JPS63286491A JP S63286491 A JPS63286491 A JP S63286491A JP 12154487 A JP12154487 A JP 12154487A JP 12154487 A JP12154487 A JP 12154487A JP S63286491 A JPS63286491 A JP S63286491A
- Authority
- JP
- Japan
- Prior art keywords
- flame
- resin
- weight
- crosslinking
- thermoplastic resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 13
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims description 11
- 239000003063 flame retardant Substances 0.000 title claims description 11
- 238000005187 foaming Methods 0.000 title abstract description 7
- 229910000000 metal hydroxide Inorganic materials 0.000 claims abstract description 9
- 150000004692 metal hydroxides Chemical class 0.000 claims abstract description 9
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 8
- 239000004604 Blowing Agent Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000004132 cross linking Methods 0.000 abstract description 7
- 229920000098 polyolefin Polymers 0.000 abstract description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 abstract description 2
- 239000004088 foaming agent Substances 0.000 abstract description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 abstract description 2
- 239000001095 magnesium carbonate Substances 0.000 abstract description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 abstract description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 abstract description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 abstract 2
- 238000002156 mixing Methods 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000005038 ethylene vinyl acetate Substances 0.000 abstract 1
- 231100000614 poison Toxicity 0.000 abstract 1
- 230000007096 poisonous effect Effects 0.000 abstract 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 abstract 1
- 235000017557 sodium bicarbonate Nutrition 0.000 abstract 1
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- 239000004156 Azodicarbonamide Substances 0.000 description 3
- 235000019399 azodicarbonamide Nutrition 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 239000002341 toxic gas Substances 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229920000578 graft copolymer Polymers 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- CZGWDPMDAIPURF-UHFFFAOYSA-N (4,6-dihydrazinyl-1,3,5-triazin-2-yl)hydrazine Chemical compound NNC1=NC(NN)=NC(NN)=N1 CZGWDPMDAIPURF-UHFFFAOYSA-N 0.000 description 1
- CQSQUYVFNGIECQ-UHFFFAOYSA-N 1-n,4-n-dimethyl-1-n,4-n-dinitrosobenzene-1,4-dicarboxamide Chemical compound O=NN(C)C(=O)C1=CC=C(C(=O)N(C)N=O)C=C1 CQSQUYVFNGIECQ-UHFFFAOYSA-N 0.000 description 1
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- NBOCQTNZUPTTEI-UHFFFAOYSA-N 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide Chemical compound C1=CC(S(=O)(=O)NN)=CC=C1OC1=CC=C(S(=O)(=O)NN)C=C1 NBOCQTNZUPTTEI-UHFFFAOYSA-N 0.000 description 1
- ICGLPKIVTVWCFT-UHFFFAOYSA-N 4-methylbenzenesulfonohydrazide Chemical compound CC1=CC=C(S(=O)(=O)NN)C=C1 ICGLPKIVTVWCFT-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- MWRWFPQBGSZWNV-UHFFFAOYSA-N Dinitrosopentamethylenetetramine Chemical compound C1N2CN(N=O)CN1CN(N=O)C2 MWRWFPQBGSZWNV-UHFFFAOYSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- VRFNYSYURHAPFL-UHFFFAOYSA-N [(4-methylphenyl)sulfonylamino]urea Chemical compound CC1=CC=C(S(=O)(=O)NNC(N)=O)C=C1 VRFNYSYURHAPFL-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- CAMXVZOXBADHNJ-UHFFFAOYSA-N ammonium nitrite Chemical compound [NH4+].[O-]N=O CAMXVZOXBADHNJ-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- VJRITMATACIYAF-UHFFFAOYSA-N benzenesulfonohydrazide Chemical compound NNS(=O)(=O)C1=CC=CC=C1 VJRITMATACIYAF-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000002832 nitroso derivatives Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- BYOIQYHAYWYSCZ-UHFFFAOYSA-N prop-2-enoxysilane Chemical compound [SiH3]OCC=C BYOIQYHAYWYSCZ-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- DUIOPKIIICUYRZ-UHFFFAOYSA-N semicarbazide Chemical compound NNC(N)=O DUIOPKIIICUYRZ-UHFFFAOYSA-N 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
Landscapes
- Fireproofing Substances (AREA)
- Organic Insulating Materials (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、電線・ケーブルの被覆を始めとし、その他シ
ート、パイプ、ブロック等の形状において使用される難
燃発泡性材料、特に接炎時に腐食性ガスを発生しないで
発泡膨張する難燃発泡性材料に関するものである。Detailed Description of the Invention [Industrial Field of Application] The present invention is directed to flame-retardant foam materials used for covering electrical wires and cables, as well as other shapes such as sheets, pipes, blocks, etc., especially when exposed to flame. This invention relates to a flame-retardant foamable material that foams and expands without generating corrosive gas.
［従来の技術］
電線・ケーブルの絶縁材料やシース材料を始めとし、各
種の電気材料や建築材料には熱可塑性樹脂が使用されて
おり、火災時における安全上の観点から、難燃性材料が
多く使用されている。[Conventional technology] Thermoplastic resins are used in various electrical materials and construction materials, including insulating materials and sheath materials for electric wires and cables, and from the viewpoint of safety in the event of a fire, flame-retardant materials are being used. Used a lot.
熱可塑性樹脂には、ポリ塩化ビニル樹脂のようにそれ自
身難燃性を有するものと、ポリオレフィンのように本質
的に可燃性であるものとがある。ポリ塩化ビニル樹脂は
接炎時に腐食性のハロゲン系ガスを多蚤に発生すること
から、その用途が限定されてきており、最近ではポリオ
レフィンのような非ハロゲン系樹脂に無機系の金属水酸
化物を充填した発煙量が非常に少なく、有毒ガスの発生
もない難燃材料が使用されるようになってきた。Thermoplastic resins include those that are themselves flame retardant, such as polyvinyl chloride resins, and those that are inherently flammable, such as polyolefins. Polyvinyl chloride resin often generates corrosive halogen gas when exposed to flame, so its uses have been limited.Recently, inorganic metal hydroxides have been added to non-halogen resins such as polyolefins. Flame-retardant materials that emit very little smoke and do not emit toxic gases have come to be used.
［発明が解決しようとする問題点コ
しかし、従来の難燃材料は、非架橋であるので接炎時に
高倍率に発泡しないため、断熱層としての効果が不十分
であり、また、ドリップしゃすいなどの問題がある。[Problems to be solved by the invention] However, since conventional flame retardant materials are non-crosslinked, they do not foam at a high rate when they come in contact with flames, so they are insufficiently effective as a heat insulating layer, and also have poor drip resistance. There are other problems.
本発明は上記に基づいてなされたもので、高倍率に発泡
して断熱層を形成でき、しかも接炎時に有毒ガスを発生
しない難燃発泡性材料の提供を目的とするものである。The present invention has been made based on the above, and aims to provide a flame-retardant foamable material that can be foamed to a high magnification to form a heat insulating layer and that does not generate toxic gas when exposed to flame.
［問題点を解決するための手段］
本発明の難燃発泡性材料は、非ハロゲン系熱可塑性樹脂
７０〜２０重量％と金属水酸化物３０〜８０重世％から
なる成分１００重量部に対して分解型発泡剤を０．０５
重量部以上含有する組成物からなり、樹脂のゲル分率が
１０〜９０％となるように架橋してなることを特徴とす
るものである。[Means for Solving the Problems] The flame-retardant foamable material of the present invention contains 100 parts by weight of a component consisting of 70-20% by weight of a non-halogen thermoplastic resin and 30-80% by weight of a metal hydroxide. 0.05% of the decomposable blowing agent
It is characterized in that it is made of a composition containing at least part by weight and is crosslinked so that the gel fraction of the resin is 10 to 90%.
本発明において、非ハロゲン系熱可塑性樹脂としては、
ポリエチレン、ポリプロピレン、ポリブテン−１１ポリ
メチルペンテン−１等のポリオレフィン、エチレン−プ
ロピレン共重合体、エチレン−酢酸ビニル共重合体、エ
チレン−アクリル酸エチル共重合体等のα−オレフィン
と他のモノマとの共重合体、ポリスチレン、ポリアミド
、ポリエステル、ポリカーボネート等の熱可塑性エラス
トマ等があげられる。In the present invention, the non-halogen thermoplastic resin includes:
Combining polyolefins such as polyethylene, polypropylene, polybutene-11 polymethylpentene-1, ethylene-propylene copolymers, ethylene-vinyl acetate copolymers, ethylene-ethyl acrylate copolymers, etc. with other monomers. Examples include thermoplastic elastomers such as copolymers, polystyrene, polyamides, polyesters, and polycarbonates.
金属水酸化物としては、水酸化アルミニウム、水酸化マ
グネシウム、塩基性炭酸マグネシウム、ハイドロタルサ
イト類等があげられる。これらの金属水酸化物は、熱可
塑性樹脂／金属水酸化物の重量比で７０〜２０７３０〜
８０の割合で充填す、る必要があり、３０重量％未満で
は難燃性が不十分であり、８０重量％を越えると混練が
困難で機械的特性が著しく低下する。Examples of metal hydroxides include aluminum hydroxide, magnesium hydroxide, basic magnesium carbonate, and hydrotalcites. These metal hydroxides have a thermoplastic resin/metal hydroxide weight ratio of 70 to 20,730 to
If it is less than 30% by weight, the flame retardance will be insufficient, and if it exceeds 80% by weight, it will be difficult to knead and the mechanical properties will deteriorate significantly.
分解型発泡剤としては、無機系のものでは、重炭酸ナト
リウム、炭酸アンモニウム、亜硝酸アンモニウム、アジ
ド化合物等が、有機系のものでは、アゾ化合物（アゾジ
カルボンアミド、アゾビスカルボンアミド等）、ニトロ
ソ化合物（Ｎ、Ｎ’ −ジニトロソペンタメチレンテト
ラミン、Ｎ、Ｎ’ −ジニトロソ−Ｎ、Ｎ’ −ジメチ
ルテレフタルアミド等）、スルホニルヒドラジド化合物
（Ｐ−トルエンスルホニルヒドラジド、ベンゼンスルホ
ニルヒドラジド、Ｐ、Ｐ’ −オキシビスベンゼンスル
ホニルヒドラジド等）等があげられる。また、高温分解
型発泡剤としては、Ｐ、Ｐ’ −オキシビスベンゼンス
ルホニルセミカルバジド、Ｐ−トルエンスルホニルセミ
カルバジド、トリヒドラジノトリアジン、バリウムアゾ
ジカルボキシレート等があげられる。分解型発泡剤は、
熱可塑性樹脂と金属水酸化物の成分１００重量部に対し
て０．０５重量部以上添加する必要があり、これ以下で
は十分に発泡しない。上限は特に限定しないが、１０重
量部程度で発泡の効果が飽和する。Examples of decomposable blowing agents include inorganic ones such as sodium bicarbonate, ammonium carbonate, ammonium nitrite, and azide compounds, and organic ones such as azo compounds (azodicarbonamide, azobiscarbonamide, etc.) and nitroso compounds. (N,N'-dinitrosopentamethylenetetramine, N,N'-dinitroso-N,N'-dimethylterephthalamide, etc.), sulfonyl hydrazide compounds (P-toluenesulfonylhydrazide, benzenesulfonylhydrazide, P,P'-oxy bisbenzenesulfonyl hydrazide, etc.). Further, examples of the high temperature decomposition type blowing agent include P,P'-oxybisbenzenesulfonyl semicarbazide, P-toluenesulfonyl semicarbazide, trihydrazinotriazine, barium azodicarboxylate, and the like. The decomposable foaming agent is
It is necessary to add 0.05 parts by weight or more to 100 parts by weight of the thermoplastic resin and metal hydroxide components, and if it is less than this, sufficient foaming will not occur. The upper limit is not particularly limited, but the foaming effect is saturated at about 10 parts by weight.
上記各種成分からなる組成物は、所定形状に成形後ゲル
分率が１０〜９０％となるように架橋される。The composition made of the above various components is molded into a predetermined shape and then crosslinked so that the gel fraction is 10 to 90%.
ゲル分率が１０％以下では非架橋に近（、十分な発泡が
行なわれず、９０％を越えると溶融粘度が高すぎて発泡
性が劣るようになる。架橋方法としては、有機過酸化物
の添加による加熱架橋、放射線の照射による架橋、シラ
ングラフト水架橋のいずれでもよい。If the gel fraction is less than 10%, it will be close to non-crosslinking (sufficient foaming will not occur), and if it exceeds 90%, the melt viscosity will be too high and the foaming property will be poor. Any of heating crosslinking by addition, crosslinking by radiation irradiation, and silane graft water crosslinking may be used.
本発明においては、上記成分に加えて酸化防止剤、紫外
線吸収剤、滑剤、顔料、無機充填剤等を適宜添加しても
よい。In the present invention, in addition to the above components, antioxidants, ultraviolet absorbers, lubricants, pigments, inorganic fillers, etc. may be added as appropriate.
［発明の実施例］
実施例
エチレン−アクリル酸エチル共重合体（アクリル酸エチ
ル量１５％、メルトインデックス２） １００重量部に
対してビニルメトキシシランを１重量部、ジクミルパー
オキサイドを０．１重量部添加し、これを２００℃に設
定した押出機導入してグラフト化処理を行なってシラン
グラフトポリマを作製した。続いてシラングラフトポリ
マ４０重量部、水酸化マグネシウム６０重量部、アゾジ
カルボンアミド３重量部およびシラノール縮合触媒を１
２０〜１４０℃の温度で均一に混練してからシート成形
し、８０℃の温水中に２４時間保持して架橋した。[Examples of the invention] Example ethylene-ethyl acrylate copolymer (ethyl acrylate amount: 15%, melt index: 2) 1 part by weight of vinylmethoxysilane and 0.1 part of dicumyl peroxide per 100 parts by weight A silane-grafted polymer was prepared by adding parts by weight, introducing this into an extruder set at 200°C, and performing grafting treatment. Subsequently, 40 parts by weight of silane graft polymer, 60 parts by weight of magnesium hydroxide, 3 parts by weight of azodicarbonamide, and 1 part by weight of silanol condensation catalyst were added.
The mixture was uniformly kneaded at a temperature of 20 to 140°C, formed into a sheet, and held in hot water at 80°C for 24 hours for crosslinking.
架橋シートのゲル分率は４０％、酸素指数は３２であっ
た。また、架橋シ゛−トをバーナで加熱したところ、１
０倍の発泡倍率を示した。The crosslinked sheet had a gel fraction of 40% and an oxygen index of 32. In addition, when the crosslinked sheet was heated with a burner, 1
It showed a foaming ratio of 0 times.
比較例
アゾジカルボンアミドを使用しなかった以外は実施例と
同様にして架橋シートを作製した。Comparative Example A crosslinked sheet was produced in the same manner as in the example except that azodicarbonamide was not used.
架橋シートをバーナで加熱したところ、３倍の発泡倍率
であった。When the crosslinked sheet was heated with a burner, the expansion ratio was 3 times.
［発明の効果コ
以上の説明から明らかな通り、本発明によれば接炎時の
発泡倍率が大きく、しかも燃焼時に有毒ガスの発生がな
い難燃発泡性材料を実現できる。[Effects of the Invention] As is clear from the above description, according to the present invention, it is possible to realize a flame-retardant foamable material that has a large expansion ratio when exposed to flame and does not generate toxic gas during combustion.
Claims (1)
属水酸化物３０〜８０重量％からなる成分１００重量部
に対して分解型発泡剤を０．０５重量部以上含有する組
成物からなり、樹脂のゲル分率が１０〜９０％となるよ
うに架橋されていることを特徴とする難燃発泡性材料。(1) A composition containing 0.05 parts by weight or more of a decomposable blowing agent per 100 parts by weight of a component consisting of 70-20% by weight of a non-halogenated thermoplastic resin and 30-80% by weight of a metal hydroxide. , a flame-retardant foamable material characterized by being cross-linked so that the gel fraction of the resin is 10 to 90%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12154487A JPS63286491A (en) | 1987-05-19 | 1987-05-19 | Flame-retardant foaming material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12154487A JPS63286491A (en) | 1987-05-19 | 1987-05-19 | Flame-retardant foaming material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63286491A true JPS63286491A (en) | 1988-11-24 |
Family
ID=14813874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12154487A Pending JPS63286491A (en) | 1987-05-19 | 1987-05-19 | Flame-retardant foaming material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63286491A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1046061A (en) * | 1996-07-31 | 1998-02-17 | Norisue Ishihara | Termite-proofing and flame-proofing agent, treatment with the agent and dissipation apparatus therefor |
-
1987
- 1987-05-19 JP JP12154487A patent/JPS63286491A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1046061A (en) * | 1996-07-31 | 1998-02-17 | Norisue Ishihara | Termite-proofing and flame-proofing agent, treatment with the agent and dissipation apparatus therefor |
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