JPS5825084B2 - Nannen Seigou Seijyushitai - Google Patents
Nannen Seigou SeijyushitaiInfo
- Publication number
- JPS5825084B2 JPS5825084B2 JP328075A JP328075A JPS5825084B2 JP S5825084 B2 JPS5825084 B2 JP S5825084B2 JP 328075 A JP328075 A JP 328075A JP 328075 A JP328075 A JP 328075A JP S5825084 B2 JPS5825084 B2 JP S5825084B2
- Authority
- JP
- Japan
- Prior art keywords
- fire retardant
- foam
- water
- weight
- polyurethane foam
- 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.)
- Expired
Links
- 239000003063 flame retardant Substances 0.000 claims description 26
- 239000006260 foam Substances 0.000 claims description 17
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 16
- 239000011496 polyurethane foam Substances 0.000 claims description 16
- 229920003169 water-soluble polymer Polymers 0.000 claims description 7
- 229910052783 alkali metal Inorganic materials 0.000 claims description 6
- -1 alkali metal borate Chemical class 0.000 claims description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 229910001562 pearlite Inorganic materials 0.000 claims description 4
- 229910010272 inorganic material Inorganic materials 0.000 claims 1
- 239000011147 inorganic material Substances 0.000 claims 1
- 229920002635 polyurethane Polymers 0.000 claims 1
- 239000004814 polyurethane Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- NVIFVTYDZMXWGX-UHFFFAOYSA-N sodium metaborate Chemical compound [Na+].[O-]B=O NVIFVTYDZMXWGX-UHFFFAOYSA-N 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 description 4
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920005862 polyol Polymers 0.000 description 3
- 150000003077 polyols Chemical class 0.000 description 3
- 229920005749 polyurethane resin Polymers 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 3
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 239000005056 polyisocyanate Substances 0.000 description 2
- 229920001228 polyisocyanate Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- IVSZLXZYQVIEFR-UHFFFAOYSA-N 1,3-Dimethylbenzene Natural products CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000004604 Blowing Agent Substances 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 241000628997 Flos Species 0.000 description 1
- QORUGOXNWQUALA-UHFFFAOYSA-N N=C=O.N=C=O.N=C=O.C1=CC=C(C(C2=CC=CC=C2)C2=CC=CC=C2)C=C1 Chemical compound N=C=O.N=C=O.N=C=O.C1=CC=C(C(C2=CC=CC=C2)C2=CC=CC=C2)C=C1 QORUGOXNWQUALA-UHFFFAOYSA-N 0.000 description 1
- 229920000538 Poly[(phenyl isocyanate)-co-formaldehyde] Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- CDMADVZSLOHIFP-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane;decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 CDMADVZSLOHIFP-UHFFFAOYSA-N 0.000 description 1
- 238000007706 flame test Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- TZMQHOJDDMFGQX-UHFFFAOYSA-N hexane-1,1,1-triol Chemical compound CCCCCC(O)(O)O TZMQHOJDDMFGQX-UHFFFAOYSA-N 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- AHHWIHXENZJRFG-UHFFFAOYSA-N oxetane Chemical compound C1COC1 AHHWIHXENZJRFG-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000019795 sodium metasilicate Nutrition 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- JAKYJVJWXKRTSJ-UHFFFAOYSA-N sodium;oxido(oxo)borane;tetrahydrate Chemical compound O.O.O.O.[Na+].[O-]B=O JAKYJVJWXKRTSJ-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229940029284 trichlorofluoromethane Drugs 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Fireproofing Substances (AREA)
Description
【発明の詳細な説明】
本発明は、ポリウレタンフォーム中に高い含水率により
自己消火性を増加せしめると共に曝熱下において大きく
発泡し、かつ、すぐれた耐火、耐熱性を有する粒状物を
分布した難燃性ポリウレタンフォーム（以下、単にフオ
ームという）に関スる
従来から水溶性ポリマーをゲル化する製造法はよく知ら
れている。DETAILED DESCRIPTION OF THE INVENTION The present invention is a polyurethane foam that increases self-extinguishing properties due to a high water content, expands greatly when exposed to heat, and distributes granules that have excellent fire resistance and heat resistance. BACKGROUND OF THE INVENTION A method for producing flammable polyurethane foam (hereinafter simply referred to as foam) by gelling a water-soluble polymer is well known.
しかし、これに加熱により発泡する無機物質を混入し、
その高い含水率（自己消化性）との相乗効果により、大
きな無機発泡層を形成するような防火剤とし、かつ、こ
れをフオームの難燃化に用いたものは見当らない。However, by mixing inorganic substances that foam when heated,
Due to its synergistic effect with its high water content (self-extinguishing property), it is a fire retardant that forms a large inorganic foam layer, and no fire retardant has been found that has been used to make foam flame retardant.
本発明は水溶性ポリマーと硼酸アルカリ金属塩とを混合
した状態の防火剤などをポリウレタンフォーム中に混入
、分布し、可燃なポリウレタンフォームの難燃性を図っ
たフオームを提案する。The present invention proposes a foam that improves the flame retardancy of combustible polyurethane foam by mixing and distributing a fire retardant in the form of a mixture of a water-soluble polymer and an alkali metal borate salt into the polyurethane foam.
以下に、本発明に係るフオームについて詳細に説明する
。Below, the foam according to the present invention will be explained in detail.
すなわち、本発明に用いる防火剤とは、水溶性ポリマー
のゲル中に硼酸アルカリ金属塩を混在せしめた粒状物で
ある。That is, the fire retardant used in the present invention is a granular material in which an alkali metal borate salt is mixed in a gel of a water-soluble polymer.
上記水溶性ポリマーとはＰＶＡ（ポリビニールアルコー
ル）、ＣＭＣ（カルボキシメチルセルロース）などの１
種からなり、硼酸アルカリ金属塩とはオルト硼酸ソーダ
、ピロ硼酸ソーダ、メタ硼酸ソーダの１種からなるもの
である。The above water-soluble polymers include PVA (polyvinyl alcohol), CMC (carboxymethyl cellulose), etc.
The alkali metal borate is one of sodium orthoborate, sodium pyroborate, and sodium metaborate.
また、防火剤を製造するには、水に水溶性ポリマーを投
入した原料と、水に硼酸アルカリ金属塩を投入し、加熱
溶解した原料とを用意し、次に両原料を加熱しながら混
合して溶液とする。In addition, to manufacture fire retardants, a raw material is prepared by adding a water-soluble polymer to water and a raw material by adding an alkali metal borate salt to water and dissolving it by heating, and then mixing both raw materials while heating. Make a solution.
その後で、この溶液を冷却してゲル状物とし、これを破
砕して適宜粒径にすればよい。Thereafter, this solution may be cooled to form a gel-like material, which may be crushed to an appropriate particle size.
また、本発明においてポリウレタンフォームとは、ポリ
イソシアネート（一般にＢ液という）、ポリオール（一
般にＡ液といつ）、発泡剤、触媒、シリコーンなどから
なる安定剤、必要により加える難燃剤とからなる材料を
一定の割合にコンベンショナル法、フロス法により混合
し、注入法、吹きつげ法により所定の厚さのポリウレタ
ンフォームを形成するものである。Furthermore, in the present invention, polyurethane foam refers to a material consisting of polyisocyanate (generally referred to as B component), polyol (generally referred to as A component), a foaming agent, a catalyst, a stabilizer such as silicone, and a flame retardant added as necessary. The ingredients are mixed in a fixed proportion by a conventional method or a floss method, and then a polyurethane foam of a predetermined thickness is formed by an injection method or a blowing method.
さらに説明すると、ポリイソシアネートの例としてはジ
フェニルメタン−４−４′−ジイソシアネート（ＭＤＩ
）、ヘキサメチレンジイソシアネート（ＨＭＤＩ）、ト
リフェニルメタントリイソシアネート（ＴＴＩ）、ポリ
メチレンポリフェニルイソシアネート（ＰＡＰＩ）、メ
タキシレンジイソシアネート（ＭＸＤＩ）などがある。To further explain, examples of polyisocyanates include diphenylmethane-4-4'-diisocyanate (MDI
), hexamethylene diisocyanate (HMDI), triphenylmethane triisocyanate (TTI), polymethylene polyphenylisocyanate (PAPI), metaxylene diisocyanate (MXDI), and the like.
また、ポリオールの例としては、ポリエーテルとポリエ
ステル系があり、前者としてエチレンオキサイド、プロ
ピレンオキサイド、トリメチレンオキサイド、ブチレン
オキサイド、α−メチルトリメチンオキサイド、３・９
−ジメチルトリメチレンオキサイド、テトラヒドロフラ
ン、ジオキサンなどである。Examples of polyols include polyethers and polyesters, and the former include ethylene oxide, propylene oxide, trimethylene oxide, butylene oxide, α-methyltrimethine oxide, 3.9
-dimethyltrimethylene oxide, tetrahydrofuran, dioxane, etc.
後者としてはエチレングリコール、ジエチレングリコー
ル、トリエチレングリコール、フロピレンゲリコール、
フチレンクリコール、トリメチロールエタン、トリメチ
ロールエタン、ヘキサントリオール、グリセリン、ソル
ビトールなどがある。The latter include ethylene glycol, diethylene glycol, triethylene glycol, fluoropylene glycol,
Examples include phthylene glycol, trimethylolethane, hexanetriol, glycerin, and sorbitol.
さらに、発泡剤としては、水、含水化物、カルボキシル
ポリエステル、揮発性溶剤、ホルムアルデヒド発生剤、
チッソガス発生剤などからなり、代表的なものとしては
水、トリクロロモノフルオロメタン（Ｒ−１１）などで
ある。Furthermore, as blowing agents, water, hydrates, carboxyl polyesters, volatile solvents, formaldehyde generators,
It consists of a nitrogen gas generating agent, and representative examples include water and trichloromonofluoromethane (R-11).
また、触媒としてはアミン類、有機金属化合物、アルカ
リ金属化合物ラジカル発生剤などである。In addition, examples of catalysts include amines, organometallic compounds, and alkali metal compound radical generators.
その具体例としては有機錫、有機第３級アミンなどであ
る。Specific examples thereof include organic tin and organic tertiary amine.
さらに、加熱により発泡する無機物質としては、硼砂、
メタ硼酸ソーダ、珪酸ソーダ粉末、メタ珪酸ソーダなど
であり、パーライト粒としてはパーライト粒、シラスバ
ルーンなどである。Furthermore, examples of inorganic substances that foam when heated include borax,
These include sodium metaborate, sodium silicate powder, sodium metasilicate, etc., and the pearlite particles include pearlite particles, shirasu balloons, etc.
そして、ポリウレタンフォームに添加する防火剤、無機
物質、骨材の割合はポリウレタンフォーム原料ｉｏｏ重
量部に対し、防火剤が３０〜１００重量部、無機物質が
２０〜５０重量部、骨材が２０〜ｉｏｏ重量部位である
。The ratio of the fire retardant, inorganic substance, and aggregate added to the polyurethane foam is 30 to 100 parts by weight of the fire retardant, 20 to 50 parts by weight of the inorganic substance, and 20 to 20 parts by weight of the aggregate to ioo parts by weight of the polyurethane foam raw material. ioo weight part.
なお、防火剤等を大量に添加すると、難燃性は向上する
が発泡体としての物性が低下するため添加量を少なくし
て所定の難燃性を発揮させるように混合比を考慮すると
、最大でも前記の割合位である。Note that if a large amount of fire retardant is added, the flame retardant properties will improve, but the physical properties of the foam will deteriorate. But it is about the same percentage as above.
次に実施例につき説明する。Next, an example will be explained.
実施例 ｌ
ポリウレタン樹脂■ １００重量部
防火剤■ ５０重量部
まず、■の原料としてはポリエーテルポリオール（ＯＨ
価４５０）５８重量部にフロン（Ｒ−１１）４０重量部
とトリエチルジアミン１重量部、シリコーン１重量部を
混合したＡ液と、クルードＭＤＩ１００重量部からなる
Ｂ液とをコンベンショナル法により混合、発泡させるこ
ととする。Example l Polyurethane resin ■ 100 parts by weight Fire retardant ■ 50 parts by weight First, as a raw material for ■, polyether polyol (OH
Liquid A, which is a mixture of 58 parts by weight of fluorocarbon (R-11), 1 part by weight of triethyldiamine, and 1 part by weight of silicone, and liquid B, which consists of 100 parts by weight of crude MDI, are mixed and foamed by a conventional method. I will let you do so.
また、前記■としては、例えば原料としてＰＶＡを２０
重量部、４水塩のメタ硼酸ナトリウムを１００重量部、
水を２１０重量部用意する。In addition, as for the above (2), for example, 20% of PVA is used as the raw material.
parts by weight, 100 parts by weight of sodium metaborate tetrahydrate,
Prepare 210 parts by weight of water.
そこで、１００℃に加熱した１８０重量部の水にＰＶＡ
を添加し、約１０分間程度ゆっくりと攪拌し、完全な糊
状とする。Therefore, PVA was added to 180 parts by weight of water heated to 100°C.
and stir slowly for about 10 minutes to form a complete paste.
一方、メタ硼酸ソーダは３０重量部の水に添加し、約８
０℃で加熱しながら攪拌し、溶液とする。On the other hand, sodium metaborate was added to 30 parts by weight of water, and about 8
Stir while heating at 0°C to form a solution.
次に、糊状の原料と上記溶液を１００℃に加熱しながら
攪拌すると、次第に反応固化し、ゲル化する。Next, when the paste-like raw material and the above solution are stirred while being heated to 100° C., they gradually react and solidify to form a gel.
さらに、２０分間加熱しながらゆっくりと攪拌すると、
両物質は完全に溶融する。Furthermore, if you stir slowly while heating for 20 minutes,
Both substances melt completely.
そこで、次にこの溶液は冷却されるとゲル状に固化する
。The solution then solidifies into a gel when cooled.
この固化物が防火剤であるが、添加の都合上、適宜大き
さ、例えば約１〜３籠のリン片状等に破砕して防火剤と
したものである。This solidified product is a fire retardant, but for convenience of addition, it is crushed into flakes of an appropriate size, for example, about 1 to 3 cages, to form a fire retardant.
そこで、Ａ液とＢ液が混合される際に防火剤をミキサー
に添加して、ポリウレタン樹脂と防火剤を混合した状態
で下型上に吐出し、その後で上型をのせ、約５分間位加
熱（６０〜９０℃）、加圧して厚さ１０龍のフオームを
得た。Therefore, when liquids A and B are mixed, a fire retardant is added to the mixer, and the mixed polyurethane resin and fire retardant are discharged onto the lower mold, and then the upper mold is placed on the mixer for about 5 minutes. A foam with a thickness of 10 mm was obtained by heating (60 to 90 DEG C.) and applying pressure.
次に、このフオームを切断して観察すると、防火剤がポ
リウレタンフォーム内に平均に分布していた。The foam was then cut and observed, and the fire retardant was evenly distributed within the polyurethane foam.
また、このフオームに対し、難燃性を貫炎テスト（Ｂｕ
ｒｅａｕｏｆ Ｍｉｎｅｓ、 Ｒｅｐｏｒｔ ｏｆ
Ｉｎｖｅｓｔｉｇａｔｉｏｎ Ａ６３６６（１９６
４））の方法により行なったところ、防火剤の分布しな
いポリウレタンフォーム単体に比して約３倍の貫炎時間
となった。In addition, this foam was tested for flame retardancy by a through-flame test (Bu
Reau of Mines, Report of
Investigation A6366 (196
When the test was carried out using method 4), the flame penetration time was approximately three times longer than that of polyurethane foam alone, in which no fire retardant was distributed.
さらに、実施例１に係るフオームは極めて優れた自己消
火性を示すと共に、メタ硼酸ソーダが発泡し、ポリウレ
タンフォームを保護した。Furthermore, the foam according to Example 1 exhibited extremely excellent self-extinguishing properties, and the sodium metaborate foamed to protect the polyurethane foam.
実施例 ２ 配合比 ポリウレタン樹脂 防火剤 実施例１と同じ パーライト粒（平均 、。Example 2 Mixing ratio polyurethane resin fire retardant Same as Example 1 Pearlite grains (average,.
０重量部粒径３ｍｍφ） メタ硼酸ソーダ（４５ｏ重量部 水塩） これを実施例１のように所定厚さの板体に形成した。0 parts by weight particle size 3mmφ) Sodium metaborate (45 parts by weight) water salt) This was formed into a plate having a predetermined thickness as in Example 1.
この場合は実施例１より、さらに耐火、耐熱性において
優れた特性を示した。In this case, it showed even better characteristics than Example 1 in terms of fire resistance and heat resistance.
上述したように本発明に係るフオームによれば、大量の
水分を含有した防火剤をポリウレタンフォーム内に分布
できるため、すぐれた防火性を得ることができる特徴が
ある。As described above, the foam according to the present invention has a feature that excellent fire retardant properties can be obtained because a fire retardant containing a large amount of water can be distributed within the polyurethane foam.
また、防火剤はフォームの定常な状態下で骨材として役
立ち、高熱下では炭化すると共にゲル状物を核として発
泡し、周囲に無機質発泡層を形成してポリウレタンフォ
ームを保護する特徴がある。In addition, fire retardant serves as an aggregate under steady state conditions for foam, and under high heat it carbonizes and foams with a gel-like material as a core, forming an inorganic foam layer around it to protect polyurethane foam.
Claims (1)
在せしめた防火剤をポリウレタンフォーム中に分布した
ことを特徴とする難燃性ポリウレタンフォーム。 ２ 水溶性ポリマーのゲル中に硼酸アルカリ金属塩を混
在せしめた防火剤と、加熱により発泡する無機材、パー
ライト粒の１種以上とをポリウレタンフォーム中に分布
したことを特徴とする難燃性ポリウレタンフォーム。[Scope of Claims] 1. A flame-retardant polyurethane foam characterized in that a fire retardant containing an alkali metal borate mixed in a water-soluble polymer gel is distributed in the polyurethane foam. 2. A flame-retardant polyurethane characterized by distributing in a polyurethane foam a fire retardant in which an alkali metal borate salt is mixed in a gel of a water-soluble polymer, and one or more types of pearlite particles, an inorganic material that foams when heated. form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP328075A JPS5825084B2 (en) | 1974-12-27 | 1974-12-27 | Nannen Seigou Seijyushitai |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP328075A JPS5825084B2 (en) | 1974-12-27 | 1974-12-27 | Nannen Seigou Seijyushitai |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5177640A JPS5177640A (en) | 1976-07-06 |
| JPS5825084B2 true JPS5825084B2 (en) | 1983-05-25 |
Family
ID=11552996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP328075A Expired JPS5825084B2 (en) | 1974-12-27 | 1974-12-27 | Nannen Seigou Seijyushitai |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5825084B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1014351A3 (en) * | 2001-08-27 | 2003-09-02 | Applinnovation B V | Synthetic material with fire retardant properties as insulating material, comprises silicate compound which forms foam at high temperature |
| DE102007027851A1 (en) * | 2007-06-13 | 2008-12-18 | Tesa Ag | Compound and wrapping tape made of TPU |
-
1974
- 1974-12-27 JP JP328075A patent/JPS5825084B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5177640A (en) | 1976-07-06 |
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