WO1997009362A1 - Composition de solution de matieres premieres destinee a la production de mousse de polyurethanne rigide - Google Patents
Composition de solution de matieres premieres destinee a la production de mousse de polyurethanne rigide Download PDFInfo
- Publication number
- WO1997009362A1 WO1997009362A1 PCT/JP1996/002519 JP9602519W WO9709362A1 WO 1997009362 A1 WO1997009362 A1 WO 1997009362A1 JP 9602519 W JP9602519 W JP 9602519W WO 9709362 A1 WO9709362 A1 WO 9709362A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polyurethane foam
- rigid polyurethane
- stock solution
- composition
- viscosity
- Prior art date
Links
Classifications
-
- 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
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/482—Mixtures of polyethers containing at least one polyether containing nitrogen
-
- 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
- C08J9/0014—Use of organic additives
- C08J9/0038—Use of organic additives containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0025—Foam properties rigid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/005—< 50kg/m3
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
-
- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/903—Cellular polymer having reduced smoke or gas generation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/906—Polyurethane cellular product containing unreacted flame-retardant material
Definitions
- Honkiaki relates to an undiluted composition for the production of rigid polyurethane foam in which a flame-retardant filler is dispersed. More specifically, it contains a clay mineral swollen with a solvent, and therefore maintains a high viscosity when allowed to stand still and is stirred.
- the present invention relates to a stock solution composition for producing a rigid polyurethane foam, the viscosity of which is reduced when an external pressure is applied.
- CFC-11 trichloro-open fluoromethane
- dichlorotrifluoroethane (hereinafter referred to as “11-123”), which is said to be a substitute for fluorocarbons, and dichloro-mouth fluoroethane (hereinafter referred to as “HCFC-141b”) have become a promising alternative to CFC-11.
- HCFC-141b dichloro-mouth fluoroethane
- reduction and elimination are planned in the near future, and in the production of rigid polyurethane foams, carbon dioxide generated when reacting water with isocyanate is foamed. Its use as an agent is beginning to attract attention.
- the rigid polyurethane foam foamed using the carbon dioxide gas has significantly deteriorated dimensional stability compared to the rigid polyurethane foam foamed using the conventional CFC-11.
- a flame retardant is generally added to enhance the flame retardancy, and an inorganic or organic filler that is a flame retardant or non-flammable substance is used in combination with the flame retardant in the polyol composition liquid to further enhance the strength and the flame retardancy.
- a method for producing urethane foam has also been proposed. Examples of such a method include, as disclosed in Japanese Patent Application Laid-Open No.
- Known methods are also used in the production of polyurethane foams using chlorofluorocarbon, such as a method using phosphagen and a method using powdery molybdenum oxide as disclosed in JP-A-53-85897. It is said that this technology can produce polyurethane foam with higher strength and flame retardancy.
- the flame-retardant or non-flammable filler is dispersed in the polyol composition liquid by a forced stirrer such as a mixer, it settles out over time and is not suitable for long-term storage.
- a step of dispersing the precipitate, such as stirring was required in advance, and there was a drawback that workability was significantly deteriorated.
- a method has been proposed in which a thickener is added to increase the viscosity of the polyol composition liquid to stably disperse the filler (Japanese Patent Laid-Open No. 412/1992). For example, if a polyol solution of about 800 cp at 25 ° C. is used, it is said that the state of dispersion can be maintained for about half a day.
- the viscosity of the polyol composition liquid has a high temperature dependency, so that it is extremely difficult to send the liquid in the polyurethane foam production process at a low temperature due to the high viscosity (30 ° C at 25 ° C). Even at 0 cp, the viscosity increases to 1400 cp at 10 ° C. To prevent this, a relatively low-viscosity polyol composition solution (about 400 cp at 25 ° C) ), The filler will settle in a few hours.
- An object of the present invention is to provide a stock solution composition for producing a rigid polyurethane foam, which can easily carry out liquid feeding and urethane foaming. Disclosure of the invention
- the composition of the stock solution composition for producing a rigid polyurethane foam employed by the present invention comprises a polyol component, a foaming agent, a flame-retardant filler, a flame retardant, and a solvent swollen clay. It is characterized by minerals as essential components. That is, the inventors of the present invention have conducted intensive studies in view of the above-mentioned circumstances, and as a result, have found an application of a swellable clay mineral.
- the clay mineral swollen with the solvent gives a high thickening effect according to the amount added to the stock solution for producing a rigid polyurethane foam, and the flame-retardant filler is stably dispersed due to the high static viscosity.
- the viscosity is around several thousand centimeters
- the swelling clay mineral swollen with the solvent has the thixotropic property that the viscosity drops rapidly when an external pressure or vibration is applied, so the liquid sending and urethane foaming at the work site are low
- the present invention has newly found an advantage that the foaming can be easily performed due to the dynamic viscosity, and the foam can be stably dispersed, so that foaming can produce a low-density polyurethane foam.
- FIG. 1 is a conceptual diagram showing the precipitation of antimony trioxide powder when the composition of the present invention is stirred and left at room temperature.
- FIG. 2 is a conceptual diagram showing the precipitation of antimony trioxide powder when the composition of the comparative example was stirred and left at room temperature.
- Figure 3 is a conceptual diagram showing the location of the sample used for the ignition test.
- the polyol component used in the present invention is not particularly limited as long as it is used in the production of polyurethane foam, but is preferred.
- examples include phthalate esters, ethylenediamine-based, tolylenediamine-based, sugaramine-based, polyether-based, Mannich, and sorbitol, and the polyol component is a stock solution for rigid polyurethane foam production. during Narubutsu, it is used in the range of about 1 0-9 0 weight 0/0.
- the blowing agent used in the present invention may be chlorofluorocarbon such as fluorocarbon, hydrofluorocarbon, hydrofluorocarbon or the like, or water, and is not particularly limited, but water is particularly preferred.
- These blowing agents are in the hard polyurethane tan foam production for stock composition, from about 0.1 to 4 0 wt 0/0 o that will be used in the range of
- the flame-retardant filler used in the present kiyoshi is the flame-retardant grade 1, the flame retardant grade 2 and the flame retardant of the standards described in the flame retardancy test method (JISA 13 21) of building interior materials and construction methods. It is not particularly limited as long as it is a nonflammable material, a quasi-nonflammable material, or a flame retardant material that satisfies the requirements of the third class of fuel, but it is preferable to use antimony trioxide, aluminum hydroxide and Examples of carbon black include melamine as the organic filler. These are powders or particles, and in the present invention, they can be dispersed to have a maximum particle size of l mm and a bulk density of about 10 g Z cm 3 . in the composition, it is used in the range of about 0.1 to 1 0 weight 0/0.
- the flame retardant used in the present invention is not particularly limited as long as it does not separate from the rigid polyurethane foam stock solution and has low viscosity and low vapor pressure, or a solid dissolved in the rigid polyurethane foam stock solution.
- a solid dissolved in the rigid polyurethane foam stock solution which is commonly used in the production of urethane foams, in liquids
- Particularly preferred are solids such as triethyl phosphate and dioctyl phthalate, and solids such as bisphenol and dibromoneopentyl glycol.
- These flame retardants are used in an amount of about 1 to 50% by weight in the stock solution composition for producing a rigid polyurethane foam.
- the clay mineral used in the present invention is not particularly limited as long as it exhibits thixotropy when swollen with a solvent, and preferably has halloysite and swelling my ability. , Hectorite, sauconite, stevensite and savonite, or a smectite or a synthetic product thereof is preferred. These swellable clay minerals are originally water swellable, but can be swelled with an oily solvent by using an appropriate surfactant. 0 is used in the range of weight 0/0.
- the clay mineral swells with a solvent and is used together with the other components.
- aromatic coal such as benzene, toluene and xylene is used.
- Hydrogen; ethers such as ethyl ether and tetrahydrofuran; ketones such as acetone and methyl ethyl ketone; aliphatic hydrocarbons such as n-pentane, n-hexane and n-octane; methanol, ethanol and propanol
- alcohols such as isopropanol; tetrahydrocarbon, chlorophorem, dichloromethane, 1,2-dichloroethane, and no.
- halogenated hydrocarbons such as monochloroethylene and chlorobenzene, or ethyl acetate, dimethylformamide, and silicon oil.
- the above-mentioned polyol component, foaming agent or liquid flame retardant contains the same Some are capable of swelling swelling clay minerals (for example, diethylene glycol and dipropylene glycol for the polyol component, water for the foaming agent, tris-/-monopropyl propyl phosphate for the liquid flame retardant, and g). Lithium phosphate, dioctyl phthalate, etc.) may be used to swell the swellable clay mineral.
- swelling swelling clay minerals for example, diethylene glycol and dipropylene glycol for the polyol component, water for the foaming agent, tris-/-monopropyl propyl phosphate for the liquid flame retardant, and g.
- Lithium phosphate, dioctyl phthalate, etc. may be used to swell the swellable clay mineral.
- the clay mineral swollen in this manner is in a gel state due to the interaction between the molecules in the stationary state, but the interaction between the molecules is cut off by the application of external pressure or the like. It has a thixotropy property of changing to a liquid sol, and in the present invention, by utilizing this thixotropy, a high viscosity is maintained during standing, and a viscosity is reduced during stirring or external pressure application.
- the present invention provides an undiluted composition for producing a rigid polyurethane foam.
- the clay mineral content of the stock solution composition for producing a rigid polyurethane foam of the present invention is such that its viscosity is 1000 to 10000 cp (25 ° C.) when it is allowed to stand still, and when stirring or when an external pressure is applied. It is appropriately adjusted within the range of about 0.1 to 20% by weight in the stock solution for producing rigid polyurethane foam so that the temperature becomes ⁇ 500 cp (25 ° C.). If the viscosity at rest is 1000 or more: LOOOO cp (25 ° C), the filler can be stably dispersed in the stock solution without sedimentation, and the viscosity during stirring or application of external pressure can be reduced. When the pressure is 1 to 500 cp (25 ° C), liquid supply and urethane foam at the work site can be easily performed.
- the clay mineral When producing a stock solution composition for producing rigid polyurethane foam of the present invention, the clay mineral generally takes a considerable amount of time to swell, so if mixed directly with a polyol component etc., it will precipitate and swell. A few days before, sometimes It takes more than one month. For this reason, it is preferable to adopt a method in which the clay mineral is swollen in the above-mentioned solvent in advance, and the clay mineral is mixed with a polyol solution or the like and uniformly dispersed.
- various catalysts and other additives may be added.
- additives include an amine catalyst, a trimerization catalyst, and a metal catalyst generally used for polyurethane foam. And a surfactant or a mixture thereof.
- Examples of the amine catalyst include pentamethylethylenetriamine, triethylenediamine, and N-methyldimethylaminopropylamine.
- Examples of the trimerization catalyst that can obtain higher flame retardancy and strength include: And quaternary ammonium formate, potassium octoate, and potassium acetate.
- Examples of the metal catalyst include dibutyltin alkyl maleate, butyltin mercapto, and octyltin mercapto.
- Examples of the surfactant include dimethylpolysiloxane and nonylphenol ethylene oxide. Can be.
- a liquid solution composition for producing a rigid polyurethane foam and a polyisocyanate component may be used in the same manner as in the prior art.
- a method of mixing and reacting at a ratio of 1: 1 can be exemplified.
- the polyisocyanate component used here can be any of those generally used for the production of rigid polyurethane foams, and the reaction conditions during production are not particularly limited. Examples of the present invention will be described below, but the present invention is not limited thereto.
- TEP triethyl phosphate
- SPN Rucentite lipophilic smectite: synthetic smectite with added surfactant [Ko'-Buchemical Co., Ltd.]
- compositions of Examples 7, 8, 9 and Comparative Example 1 were fractionated from the (1) portion and (2) portion shown in FIG. 3 using a 50 ml hole bit.
- polyurethane foams having the physical properties shown in Table 3 were formed.
- Compressive strength According to JIS A 9526.
- the undiluted composition for producing a rigid polyurethane foam of the present invention can stably disperse the flame-retardant filler at the time of standing, and has a reduced viscosity at the time of stirring or application of an external pressure. (4) It enables easy foaming of urethane.
- the rigid polyurethane foam produced in this way is homogeneous and has improved properties such as flame retardancy.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/817,119 US5779775A (en) | 1995-09-07 | 1996-09-05 | Stock solution composition for use in production of hard polyurethane foam |
EP96929533A EP0791612A4 (en) | 1995-09-07 | 1996-09-05 | RAW MATERIAL SOLUTION COMPOSITION FOR THE PRODUCTION OF RIGID POLYURETHANE FOAM |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7/257095 | 1995-09-07 | ||
JP7257095A JPH0971623A (ja) | 1995-09-07 | 1995-09-07 | 硬質ポリウレタンフォーム製造用原液組成物 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997009362A1 true WO1997009362A1 (fr) | 1997-03-13 |
Family
ID=17301674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1996/002519 WO1997009362A1 (fr) | 1995-09-07 | 1996-09-05 | Composition de solution de matieres premieres destinee a la production de mousse de polyurethanne rigide |
Country Status (5)
Country | Link |
---|---|
US (1) | US5779775A (ja) |
EP (1) | EP0791612A4 (ja) |
JP (1) | JPH0971623A (ja) |
CA (1) | CA2202754A1 (ja) |
WO (1) | WO1997009362A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6168834B1 (en) * | 1999-03-26 | 2001-01-02 | Kenneth R. Hallo | Method for dissipating heat |
JP3348162B2 (ja) * | 2000-05-09 | 2002-11-20 | シービーシーマテリアルズ株式会社 | 液体の粘性測定法と粘弾性測定法並びに粘弾性測定装置 |
KR100847044B1 (ko) * | 2002-12-24 | 2008-07-17 | 재단법인 포항산업과학연구원 | 점토계 나노 입자가 분산된 우레탄 폼 제조용 폴리올의제조 방법 |
US8568632B2 (en) * | 2003-11-26 | 2013-10-29 | Owens Corning Intellectual Capital, Llc | Method of forming thermoplastic foams using nano-particles to control cell morphology |
US9359481B2 (en) | 2003-11-26 | 2016-06-07 | Owens Corning Intellectual Capital, Llc | Thermoplastic foams and method of forming them using nano-graphite |
US20080287560A1 (en) * | 2004-12-31 | 2008-11-20 | Loh Roland R | Polymer foams containing multi-functional layered nano-graphite |
US8048935B2 (en) * | 2004-11-08 | 2011-11-01 | Carpenter Co. | Liquid foam systems and ASTM E-84 class 1 rated rigid, high-density polyurethane foams and articles prepared therefrom |
US9187608B2 (en) * | 2005-09-08 | 2015-11-17 | Owens Corning Intellectual Capital, Llc | Polystyrene foam containing a modifier-free nanoclay and having improved fire protection performance |
CN100408610C (zh) * | 2006-08-17 | 2008-08-06 | 浙江大学 | 硬质聚氨酯泡沫三元复合材料及其制备方法 |
US20080242752A1 (en) * | 2007-03-28 | 2008-10-02 | Yadollah Delaviz | Polystyrene foams incorporating nanographite and HFC-134 |
TWI379860B (en) | 2008-06-24 | 2012-12-21 | Univ Chung Yuan Christian | Modified clay and clay-polymer composite |
WO2014041668A1 (ja) * | 2012-09-13 | 2014-03-20 | 燐化学工業株式会社 | ポリウレタン用難燃剤組成物ならびにこれを用いて製造される難燃性ポリウレタン及び難燃性ポリウレタンフォーム |
CN105597619A (zh) * | 2014-10-28 | 2016-05-25 | 武汉凌科达科技有限公司 | 一种复合发泡剂组合物 |
JP6894209B2 (ja) * | 2015-10-20 | 2021-06-30 | 積水化学工業株式会社 | ポリオール含有組成物、発泡性ポリウレタン組成物及びポリウレタン発泡体 |
Citations (6)
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JPS5086598A (ja) * | 1973-11-30 | 1975-07-11 | ||
JPS5759950A (en) * | 1980-09-30 | 1982-04-10 | Asahi Glass Co Ltd | Siliceous filler and preparation of polyurethane containing the same |
JPS58213015A (ja) * | 1982-06-04 | 1983-12-10 | Nichias Corp | ポリウレタン目地剤組成物 |
JPS60170614A (ja) * | 1984-01-26 | 1985-09-04 | バイエル・アクチエンゲゼルシャフト | 発泡体を含有するポリウレタンまたはポリウレタン尿素の組成物の製造方法 |
JPH0463869A (ja) * | 1990-07-03 | 1992-02-28 | Sekisui Chem Co Ltd | 難燃性樹脂組成物 |
JPH069815A (ja) * | 1992-05-29 | 1994-01-18 | Central Glass Co Ltd | 1,1−ジクロロ−1 −フルオロエタン分解物の抑制法 |
Family Cites Families (10)
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BE757421A (fr) * | 1969-10-14 | 1971-04-13 | Scott Paper Co | Mousse de polyurethane incombustible |
DE2524191C3 (de) * | 1975-05-31 | 1980-04-03 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung bochgeffillter hydrophober Harnstoffgruppen enthaltender Leichtschaumstoffe |
GB1546705A (en) * | 1975-06-23 | 1979-05-31 | Tenneco Chem | Production of polyurethane foam |
US4275169A (en) * | 1979-09-19 | 1981-06-23 | Tenneco Chemicals, Inc. | Intumescent flexible polyurethane foam having incorporated into the reaction mixture an aliphatic aldehyde |
JPS60260633A (ja) * | 1985-05-31 | 1985-12-23 | Asahi Glass Co Ltd | ポリウレタン充填用のケイ酸質充填剤 |
US4677158A (en) * | 1985-11-12 | 1987-06-30 | United Catalysts Inc. | Paint thickener |
US4743624A (en) * | 1987-06-11 | 1988-05-10 | Blount David H | Process for the production of flame-retardant polyurethane products |
GB8822788D0 (en) * | 1988-09-28 | 1988-11-02 | Ici Plc | Novel composition comprising isocyanate-reactive hydrogen-containing compounds |
FR2651238B1 (fr) * | 1989-08-31 | 1991-10-31 | Omya Sa | Procede de preparation de composes thermodurcissables charges du type polyurethane et composes obtenus. |
GB9014766D0 (en) * | 1990-07-03 | 1990-08-22 | Ici Plc | Fire retardant compositions |
-
1995
- 1995-09-07 JP JP7257095A patent/JPH0971623A/ja active Pending
-
1996
- 1996-09-05 US US08/817,119 patent/US5779775A/en not_active Expired - Fee Related
- 1996-09-05 CA CA002202754A patent/CA2202754A1/en not_active Abandoned
- 1996-09-05 WO PCT/JP1996/002519 patent/WO1997009362A1/ja not_active Application Discontinuation
- 1996-09-05 EP EP96929533A patent/EP0791612A4/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5086598A (ja) * | 1973-11-30 | 1975-07-11 | ||
JPS5759950A (en) * | 1980-09-30 | 1982-04-10 | Asahi Glass Co Ltd | Siliceous filler and preparation of polyurethane containing the same |
JPS58213015A (ja) * | 1982-06-04 | 1983-12-10 | Nichias Corp | ポリウレタン目地剤組成物 |
JPS60170614A (ja) * | 1984-01-26 | 1985-09-04 | バイエル・アクチエンゲゼルシャフト | 発泡体を含有するポリウレタンまたはポリウレタン尿素の組成物の製造方法 |
JPH0463869A (ja) * | 1990-07-03 | 1992-02-28 | Sekisui Chem Co Ltd | 難燃性樹脂組成物 |
JPH069815A (ja) * | 1992-05-29 | 1994-01-18 | Central Glass Co Ltd | 1,1−ジクロロ−1 −フルオロエタン分解物の抑制法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP0791612A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP0791612A4 (en) | 1998-11-25 |
EP0791612A1 (en) | 1997-08-27 |
US5779775A (en) | 1998-07-14 |
CA2202754A1 (en) | 1997-03-13 |
JPH0971623A (ja) | 1997-03-18 |
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