JPH10330525A - Convection preventive material for low temperature insulation - Google Patents

Convection preventive material for low temperature insulation

Info

Publication number
JPH10330525A
JPH10330525A JP15283197A JP15283197A JPH10330525A JP H10330525 A JPH10330525 A JP H10330525A JP 15283197 A JP15283197 A JP 15283197A JP 15283197 A JP15283197 A JP 15283197A JP H10330525 A JPH10330525 A JP H10330525A
Authority
JP
Japan
Prior art keywords
acid
usable
low
convection
glycol
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
Application number
JP15283197A
Other languages
Japanese (ja)
Inventor
Shiro Kikuchi
四郎 菊池
Takeshi Ochiai
毅 落合
Kenji Nishino
憲司 西野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nichias Corp
Original Assignee
Nichias Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nichias Corp filed Critical Nichias Corp
Priority to JP15283197A priority Critical patent/JPH10330525A/en
Publication of JPH10330525A publication Critical patent/JPH10330525A/en
Pending legal-status Critical Current

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  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

PROBLEM TO BE SOLVED: To improve insulation properties, flexibility, shielding properties, and applicability by using as a main component a product of a reaction of a polyether polyol or a polyester polyol having in its molecule two or more active hydrogens on average, a nonionic surfactant, a flame retardant, a catalyst, and a foaming agent with a polyisocyanate. SOLUTION: The polyether polyol is one prepared using propylene glycol, ethylene glycol, glycerin, triol or the like as an initiator. Polyester polyols usable herein include those wherein adipic acid, phthalic acid, dimerized linolenic acid, maleic acid or the like is an acid moiety with a glycol, such as ethylene glycol, propylene glycol, or butylene glycol, or trimethylolpropane, hexanetriol or the like being used as a polyhydroxy compd. catalysts usable herein include amine compds., organometal compds., and inorg. and org. acids. Nonionic surfactants usable herein include polysiloxane/polyoxyalkylene copolymer foam stabilizers. Foaming agents usable herein include a dichlorofluoroethane.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、建築断熱構造体に
おける、特に低温において好適な対流防止性能を有する
目地材、充填材等として好適な低温断熱用対流防止材の
改良に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a convection preventive material for low-temperature insulation, which is suitable as a joint material, a filler, and the like having a preferable convection prevention performance particularly at low temperatures in a building heat insulating structure.

【0002】[0002]

【従来の技術】建築断熱構造体における目地材、充填材
としては、グラスウール、ウレタンフォームなどが用い
られていた。例えば、グラスウールは従来より常温から
低温域において優れた柔軟性を示す断熱目地材として使
用されていた。
2. Description of the Related Art Glass wool, urethane foam and the like have been used as jointing materials and fillers in building heat insulating structures. For example, glass wool has been conventionally used as an insulating joint material having excellent flexibility in a range from room temperature to low temperature.

【0003】[0003]

【発明が解決しようとする課題】しかし、グラスウール
は通気性があり、対流による伝熱性が大きいため使用が
限定されている。その他、上述した従来の材料には、ガ
ス・液体の遮蔽性、柔軟性、低熱伝導率(高断熱性)を
同時に満足することは不可能であった。
However, the use of glass wool is limited because of its breathability and high heat transfer by convection. In addition, it is impossible for the above-mentioned conventional materials to simultaneously satisfy gas / liquid shielding properties, flexibility, and low thermal conductivity (high heat insulating properties).

【0004】例えば、従来の目地材、充填材としてのグ
ラスウールは、ガス・液体の遮蔽性能が小さく、空気、
二酸化炭素、窒素、水蒸気等を容易に透過する。従っ
て、この材料での施工時に異種材料によるガス・液体の
遮蔽工事が必要となり、その使用用途が限られていた。
[0004] For example, glass wool as a conventional joint material or filler has a small gas / liquid shielding performance, and has a low air and
Permeates carbon dioxide, nitrogen, water vapor, etc. easily. Therefore, when performing construction with this material, it is necessary to perform shielding work for gas and liquid with a different material, and its use has been limited.

【0005】本発明の目的は優れた断熱性能、柔軟性
(復元性)及び充分なガス・液体の遮蔽性を有し、しか
も優れた施工性を有することにより単体において種々の
用途に使用可能な目地材、充填材を提供することにあ
る。
It is an object of the present invention to have excellent heat insulating performance, flexibility (restorability) and sufficient gas / liquid shielding properties, and excellent workability, so that it can be used alone for various applications. It is to provide a joint material and a filler.

【0006】[0006]

【課題を解決するための手段】上記目的を達成するた
め、請求項1の発明の低温断熱用対流防止材は、分子内
に平均2個以上の活性水素を有するポリエーテルポリオ
ールあるいはポリエステルポリオール、非イオン性界面
活性剤、難燃剤、触媒及び発泡剤の混合液とポリイソシ
アネートとを反応させて成る軽量有機発泡体を主成分と
することを要旨とする。
In order to achieve the above object, a convection preventing material for low-temperature insulation according to the first aspect of the present invention comprises a polyether polyol or polyester polyol having an average of two or more active hydrogens in a molecule. The gist of the present invention is to mainly use a lightweight organic foam obtained by reacting a mixed solution of an ionic surfactant, a flame retardant, a catalyst and a foaming agent with a polyisocyanate.

【0007】請求項2の発明の低温断熱用対流防止材
は、請求項1の発明において、上記軽量有機発泡体は、
密度が5から30(Kg/m3)であり、熱伝導率が
0.02〜0.04(Kcal/mh℃)、常温及び低温にお
ける圧縮復元率が60%以上かつガス透過性を有さない
ことを要旨とする。
In a second aspect of the present invention, there is provided the convection preventing material for low-temperature insulation, wherein the lightweight organic foam according to the first aspect of the present invention comprises:
It has a density of 5 to 30 (Kg / m 3 ), a thermal conductivity of 0.02 to 0.04 (Kcal / mh ° C.), a compression recovery rate of 60% or more at room temperature and low temperature, and has gas permeability. The point is that there is no

【0008】請求項3の発明は、請求項1又は2の前記
軽量有機発泡体を主成分とする断熱構造体における目
地、充填材を要旨とする。
According to a third aspect of the present invention, a joint and a filler in the heat-insulating structure having the light-weight organic foam as a main component according to the first or second aspect are summarized.

【0009】[0009]

【発明の実施の形態】本発明の低温断熱用対流防止材の
実施の形態としては、有機ポリオール、非イオン性界面
活性剤、難燃剤、触媒及び発泡剤の混合液とポリイソシ
アネートとを用いて反応させて得られた軽量有機発泡体
が用いられる。従来の断熱用対流防止材であるグラスウ
ールは、ガス・液体を透過してしまうし、低温において
復元性もなく、定型品のみが製造されていた。
DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the convection preventing material for low-temperature insulation according to the present invention uses a mixture of an organic polyol, a nonionic surfactant, a flame retardant, a catalyst and a blowing agent, and a polyisocyanate. A lightweight organic foam obtained by the reaction is used. Glass wool, which is a conventional heat insulating convection preventing material, is permeable to gas and liquid, has no resilience at low temperatures, and has been produced only in standard products.

【0010】しかし本発明に使用される前記軽量有機発
泡体は、空気、二酸化炭素、窒素、水(蒸気)等のガス
・液体を全く透過せず、また柔軟性を有し、常温から低
温(−196℃)において、約60%以上の圧縮復元率
を有する。しかも工場における定型品の製造はもちろ
ん、施工現場における様々な複雑な形状部分への注入発
泡成形が可能であり、施工形状に限定されない。従っ
て、特に建築断熱構造体において、その目地材、充填材
として単体での使用が可能なので好適であり、異種材料
による遮蔽材の取付けの有無はその性能には関与しない
ので、この点でもグラスウールより有利である。
[0010] However, the lightweight organic foam used in the present invention does not permeate any gas or liquid such as air, carbon dioxide, nitrogen, and water (steam), has flexibility, and has a low temperature (from normal temperature to low temperature). (-196 ° C.). Moreover, it is possible to perform injection foam molding into various complicated shapes at the construction site, as well as manufacture fixed products in the factory, and the invention is not limited to the construction shape. Therefore, especially in a building insulation structure, it is preferable because it can be used alone as a joint material and a filler, and the presence or absence of a shielding material made of a different material does not affect its performance. It is advantageous.

【0011】なお、有機ポリオールであるポリエーテル
ポリオールとしては、プロピレングリコール、エチレン
グリコール、グリセリン、トリオール、トリエタノール
アミン、ソルビトール、シュークロス等を開始剤とする
ポリエーテルポリオール等が例示でき、ポリエステルポ
リオールとしては、アジピン酸、フタル酸、二量化リノ
レイン酸、マレイン酸、グルタル酸等を酸成分とし、エ
チレン、プロピレン、ブチレン、ヘキサン、ジエチレ
ン、ネオペンチル等の各グリコール類やトリメチロール
プロパン、ヘキサントリオール、グリセリン、ペンタエ
リスリトール等をポリヒドロキシ化合物とするポリエス
テルポリオールあるいは、ポリカプロラクトンポリオー
ル等が例示される。有機ポリオールはこれらを単独ある
いは複数を混合して使用する。
Examples of the polyether polyol which is an organic polyol include polyether polyols having propylene glycol, ethylene glycol, glycerin, triol, triethanolamine, sorbitol, shoe cloth and the like as initiators. Is adipic acid, phthalic acid, dimerized linoleic acid, maleic acid, glutaric acid, etc. as an acid component, ethylene, propylene, butylene, hexane, diethylene, neopentyl and other glycols and trimethylolpropane, hexanetriol, glycerin, Examples thereof include a polyester polyol having pentaerythritol or the like as a polyhydroxy compound, and a polycaprolactone polyol. These organic polyols may be used alone or in combination.

【0012】触媒としては、アミン系化合物(トリエチ
ルアミン、トリエチレンジアミン、N,N−ジメチルシ
クロヘキシルアミン、N,N,N’N’−テトラメチル
エチレンジアミン、N,N,N’N’−テトラメチルプ
ロパン1,3−ジアミン、N,N,N’,N”,N”−
ペンタメチルジエチレントリアミン、N,N,N’,
N”,N”−ペンタメチルジプロピレントリアミン、テ
トラメチルグアニジン、N−メチルモルホリン、メチル
イミダゾール、ジメチルイミダゾール、トリメチルイミ
ダゾール、ジメチルアミノエタノール、ジメチルアミノ
エトキシエタノール、N−メチル−N’−(2ヒドロキ
シエチル)−ピペラジン、ビス(2−ジメチルアミノエ
チル)エーテルなど)、有機金属化合物(スタナスオク
トエート、ジブチルチンジアセテート、ジブチルチンジ
ラウレート、ジブチルチンマーカブチド、ジブチルチン
チオカルボキシレート、フェニル水銀プロピオン酸塩、
オクテン酸鉛など)が例示される。また、ホウ酸、リン
酸、塩酸、酢酸、プロピオン酸などの無機・有機酸を併
用しても良い。
As the catalyst, amine compounds (triethylamine, triethylenediamine, N, N-dimethylcyclohexylamine, N, N, N'N'-tetramethylethylenediamine, N, N, N'N'-tetramethylpropane 1 , 3-Diamine, N, N, N ', N ", N"-
Pentamethyldiethylenetriamine, N, N, N ',
N ", N" -pentamethyldipropylenetriamine, tetramethylguanidine, N-methylmorpholine, methylimidazole, dimethylimidazole, trimethylimidazole, dimethylaminoethanol, dimethylaminoethoxyethanol, N-methyl-N '-(2hydroxyethyl ) -Piperazine, bis (2-dimethylaminoethyl) ether, etc.), organometallic compounds (stannas octoate, dibutyltin diacetate, dibutyltin dilaurate, dibutyltin marker butide, dibutyltin thiocarboxylate, phenylmercuric propionate) ,
Lead octenoate). Further, inorganic or organic acids such as boric acid, phosphoric acid, hydrochloric acid, acetic acid, and propionic acid may be used in combination.

【0013】非イオン性界面活性剤としては、ポリシロ
キサンポリオキシアルキレン共重合体系整泡剤、乳化分
散剤を用いる。例えば、日本ユニカー社製のL−52
0、L−580、SZ−1127、SZ−1136、S
Z−1919、SZ−5340、SZ−5420、SZ
−1642、L−720、L−7500、L−760
0、ゴールドシュミット社製のB8110、B803
0、B8228、B8021、B8450、B840
4、B8460、B8462、B8465、花王社製の
エマルゲン105、エマルゲン106、エマルゲン40
4、エマルゲン705、エマルゲン905、エマルゲン
906、エマルゲン911などである。
As the nonionic surfactant, a polysiloxane polyoxyalkylene copolymer foam stabilizer and an emulsifying dispersant are used. For example, Nippon Unicar's L-52
0, L-580, SZ-1127, SZ-1136, S
Z-1919, SZ-5340, SZ-5420, SZ
-1642, L-720, L-7500, L-760
0, B8110, B803 manufactured by Goldschmidt
0, B8228, B8021, B8450, B840
4, B8460, B8462, B8465, Kao Corporation's Emulgen 105, Emulgen 106, Emulgen 40
4, Emulgen 705, Emulgen 905, Emulgen 906, Emulgen 911 and the like.

【0014】発泡剤としては、ジクロルフルオロエタ
ン、ジクロルトリフルオロエタン、クロルジフルオロメ
タン、テトラフルオロエタンなどのハロゲン化炭化水素
化合物、あるいはプロパン、ブタン、n−ペンタン、イ
ソペンタン、シクロペンタンなどの炭化水素化合物があ
る。また、ポリイソシアネートとの反応により、二酸化
炭素(ガス)を生成することが可能である水を用いても
良い。更にポリイソシアネートはウレタンフォームの製
造に従来から使用されている公知の芳香族、芳香脂肪
族、脂肪族、脂環式のポリイソアネート又はその変性物
である。例えば、ジフェニルメタンジイソシアネート、
トリレンジイソシアネート、キシレンジイソシアネー
ト、ヘキサメチレンジイソシアネート、イソホロアネー
ト、ポリメチレンボリフェニルポリイソシアネート、水
添トリレンイソシアネート等である。
Examples of the blowing agent include halogenated hydrocarbon compounds such as dichlorofluoroethane, dichlorotrifluoroethane, chlorodifluoromethane and tetrafluoroethane, and hydrocarbons such as propane, butane, n-pentane, isopentane and cyclopentane. There are compounds. Further, water that can generate carbon dioxide (gas) by reaction with polyisocyanate may be used. Further, the polyisocyanate is a known aromatic, araliphatic, aliphatic, or alicyclic polyisoanate or a modified product thereof which has been conventionally used for producing urethane foam. For example, diphenylmethane diisocyanate,
Tolylene diisocyanate, xylene diisocyanate, hexamethylene diisocyanate, isophoroanate, polymethylene polyphenyl polyisocyanate, hydrogenated tolylene isocyanate, and the like.

【0015】[0015]

【実施例】以下本発明の実施例を説明する。 実施例1 ポリイソシアネート100重量部に対し、ポリエーテル
ポリオール10重量部、難燃剤13重量部、非イオン性
界面活性剤1.5重量部、触媒2重量部、発泡剤40重
量部を混合せしめた液を混合、攪拌、発泡させて生成し
た軽量有機発泡体から成る低温断熱用対流防止材であ
る。この材料の性能は以下の通りである。 密度 10Kg/m3 熱伝導率 0.035kcal/mh℃ 圧縮復元率(常温、低温) 80%、80% ガス透過性 なし
Embodiments of the present invention will be described below. Example 1 10 parts by weight of a polyether polyol, 13 parts by weight of a flame retardant, 1.5 parts by weight of a nonionic surfactant, 2 parts by weight of a catalyst, and 40 parts by weight of a foaming agent were mixed with 100 parts by weight of a polyisocyanate. It is a convection prevention material for low-temperature insulation consisting of a lightweight organic foam produced by mixing, stirring and foaming liquids. The performance of this material is as follows. Density 10Kg / m 3 Thermal conductivity 0.035kcal / mh ℃ Compression recovery (normal temperature, low temperature) 80%, 80% Gas permeability None

【0016】上記材料は、例えば、図1の構造体に用い
られる。同図において、1は配管、2は主要断熱材(硬
質ウレタンフォーム)、3は本発明の低温断熱用防止材
である。配管1の周辺に施工された主要断熱材2間に生
じる目地部分に、低温断熱用対流防止材3が目地材、充
填材として使用される。なお、この材料3は予め工場に
て定型品として成形するか、あるいは施工現場にて注入
成形してもよく、どちらでも使用可能である。
The above material is used, for example, in the structure shown in FIG. In the figure, reference numeral 1 denotes a pipe, 2 denotes a main heat insulating material (hard urethane foam), and 3 denotes a low-temperature insulating material of the present invention. A convection preventing material 3 for low-temperature heat insulation is used as a joint material and a filler at joints formed between main heat insulating materials 2 constructed around the pipe 1. In addition, this material 3 may be molded in advance at a factory as a fixed product, or may be injection molded at a construction site, and either can be used.

【0017】実施例2 前記本発明の低温断熱用対流防止材3を図2の構造体に
用いる。図2において、4は貯蔵タンク等の内外壁5に
施工される主要断熱材で、その周囲に生じる目地部分に
上記材料3が目地材、充填材として用いられる。この場
合も、材料3は予め工場にて定型品として成形するか、
或いは施工現場にて注入成形してもよく、どちらでも使
用可能である。
Embodiment 2 The convection preventing material 3 for low-temperature insulation of the present invention is used for the structure shown in FIG. In FIG. 2, reference numeral 4 denotes a main heat insulating material to be installed on the inner and outer walls 5 such as a storage tank. In this case, too, the material 3 is formed in advance at the factory as a fixed product,
Alternatively, injection molding may be performed at a construction site, and either of them can be used.

【0018】本発明の低温断熱用対流防止材は、上述し
た用途ばかりでなく、常温あるいは低温で使用される応
力緩和材かつガス・液体の遮蔽材としても用い得る。例
えば、ダクト排気口周辺部分のシール材、LNGタンク
の保冷材の一構造材等である。
The convection preventing material for low-temperature heat insulation of the present invention can be used not only for the above-mentioned applications but also as a stress relaxation material used at ordinary temperature or low temperature and as a gas / liquid shielding material. For example, it is a sealing material around a duct exhaust port, a structural material of a cold insulator for an LNG tank, or the like.

【0019】[0019]

【発明の効果】以上説明したように本発明によれば下記
のような優れた性能を有する低温断熱用対流防止材を提
供することができる。 (I)空気、二酸化炭素、窒素、水(蒸気)等のガス・
液体を全く透過せず、これらを密封できる。 (II)常温〜極低温(−196℃)において約60%以
上の圧縮復元率を有し、柔軟性がある。 (III)様々の複雑な形状の目地部分への注入発泡成形
が可能であると共に、工場における定型品の製造も可能
である。 (IV)目地材、充填材として単体で使用できる。
As described above, according to the present invention, it is possible to provide a low-temperature heat insulating convection preventing material having the following excellent performance. (I) Gases such as air, carbon dioxide, nitrogen, water (steam)
They are completely impermeable to liquids and can be sealed. (II) It has a compression recovery ratio of about 60% or more at room temperature to extremely low temperature (-196 ° C) and is flexible. (III) Injection-foam molding into joints of various complicated shapes is possible, and it is also possible to manufacture standard products in factories. (IV) Can be used alone as joint material and filler.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の一実施例を示す斜視図である。FIG. 1 is a perspective view showing an embodiment of the present invention.

【図2】本発明の他の実施例を示す斜視図である。FIG. 2 is a perspective view showing another embodiment of the present invention.

【符号の説明】[Explanation of symbols]

1 配管 2 主要断熱材 3 低温断熱用対流防止材 4 主要断熱材 5 内外壁 DESCRIPTION OF SYMBOLS 1 Piping 2 Main insulation material 3 Convection prevention material for low-temperature insulation 4 Main insulation material 5 Inner / outer wall

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 分子内に平均2個以上の活性水素を有す
るポリエーテルポリオールあるいはポリエステルポリオ
ール、非イオン性界面活性剤、難燃剤、触媒及び発泡剤
の混合液とポリイソシアネートとを反応させて成る軽量
有機発泡体を主成分とすることを特徴とする低温断熱用
対流防止材。
1. A mixture of a polyether polyol or polyester polyol having an average of two or more active hydrogen atoms in a molecule, a nonionic surfactant, a flame retardant, a catalyst and a blowing agent, and a polyisocyanate. A convection-preventing material for low-temperature insulation, comprising a lightweight organic foam as a main component.
【請求項2】 上記軽量有機発泡体は、密度が5から3
0(Kg/m3)であり、熱伝導率が0.02〜0.04
(Kcal/mh℃)、常温及び低温における圧縮復元率が6
0%以上かつガス透過性を有さないことを特徴とする請
求項1記載の低温断熱用対流防止材。
2. The lightweight organic foam has a density of 5 to 3
0 (Kg / m 3 ) and a thermal conductivity of 0.02-0.04
(Kcal / mh ° C), 6 at normal and low temperature
The convection preventive material for low-temperature insulation according to claim 1, wherein the convection preventing material has a gas permeability of 0% or more.
【請求項3】 請求項1又は2記載の前記軽量有機発泡
体を主成分とすることを特徴とする断熱構造体における
目地、充填材。
3. A joint and a filler in a heat insulating structure characterized by comprising the lightweight organic foam according to claim 1 or 2 as a main component.
JP15283197A 1997-05-27 1997-05-27 Convection preventive material for low temperature insulation Pending JPH10330525A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15283197A JPH10330525A (en) 1997-05-27 1997-05-27 Convection preventive material for low temperature insulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15283197A JPH10330525A (en) 1997-05-27 1997-05-27 Convection preventive material for low temperature insulation

Publications (1)

Publication Number Publication Date
JPH10330525A true JPH10330525A (en) 1998-12-15

Family

ID=15549096

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15283197A Pending JPH10330525A (en) 1997-05-27 1997-05-27 Convection preventive material for low temperature insulation

Country Status (1)

Country Link
JP (1) JPH10330525A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009108670A (en) * 2007-10-26 2009-05-21 Rohm & Haas Co Weather-resistive barrier for building

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009108670A (en) * 2007-10-26 2009-05-21 Rohm & Haas Co Weather-resistive barrier for building

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