WO2001032389A1 - Procede permettant de former facilement de la mousse d'urethane - Google Patents

Procede permettant de former facilement de la mousse d'urethane Download PDF

Info

Publication number
WO2001032389A1
WO2001032389A1 PCT/JP1999/006114 JP9906114W WO0132389A1 WO 2001032389 A1 WO2001032389 A1 WO 2001032389A1 JP 9906114 W JP9906114 W JP 9906114W WO 0132389 A1 WO0132389 A1 WO 0132389A1
Authority
WO
WIPO (PCT)
Prior art keywords
agent
forming
foaming
foam
urethane foam
Prior art date
Application number
PCT/JP1999/006114
Other languages
English (en)
Japanese (ja)
Inventor
Kiichi Yamashita
Kazuhiko Fujii
Original Assignee
Sunstar Giken Kabushiki Kaisha
Uni-Sunstar B.V.
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 Sunstar Giken Kabushiki Kaisha, Uni-Sunstar B.V. filed Critical Sunstar Giken Kabushiki Kaisha
Priority to PCT/JP1999/006114 priority Critical patent/WO2001032389A1/fr
Priority to JP2001534574A priority patent/JP4216500B2/ja
Publication of WO2001032389A1 publication Critical patent/WO2001032389A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • 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
    • C08G2101/00—Manufacture of cellular products

Definitions

  • the present invention relates to a simple method for mixing and discharging a two-pack type urethane composition for urethane foam. It can be easily and stably mixed and discharged without using Freon gas as an agent.For example, it can be used not only for the body of general automobiles, but also for car bodies such as race cars, remodeled cars, building material panels, partition panels, etc. Also, the present invention relates to a method for forming a urethane foam that can provide a urethane foam that can contribute to reinforcement, heat insulation, and sound insulation. Background art
  • a technology has been attempted to increase the rigidity or soundproofing by attaching a lexable foamable material (molded sheet of epoxy, rubber, or plastic) to a closed cross-section and foam-hardening it in a paint baking oven.
  • a lexable foamable material molded sheet of epoxy, rubber, or plastic
  • this thermosetting foamable material is subjected to foam hardening using a paint baking furnace of an automobile, the baking temperature varies depending on the application area, and the expansion ratio changes. (I.e., unfilled space or conversely over-foamed parts) must be suppressed, and it is necessary to match the shape of the foamable material to the shape of the closed cross section. It is hoped that the reliability will be improved.
  • a so-called polyol main agent and a polyisocyanate curing agent are used, and a foaming agent (conventionally, only water or A two-pack type urethane composition capable of forming a polyurethane foam by a reaction in the presence of a hydrogen atom-containing halogenated hydrocarbon system or a low-boiling hydrocarbon used in place of or in combination therewith, Techniques for reinforcing and soundproofing the composition by injecting and foam-hardening have also been attempted.
  • the present inventors have conducted intensive studies on a simple two-liquid mixing and discharging method and a urethane composition used in this method in order to solve the above problems, and as a result, have found the following knowledge.
  • foaming agents that generate gas under heating conditions are generally used in place of conventional room-temperature foaming agents (water or hydrogen atom-containing octogenated hydrocarbons and low-boiling hydrocarbons). Even when the agent is used at room temperature, the foaming agent function can be sufficiently achieved by the instantaneous reaction between the polyol base agent and the polyisocyanate curing agent, so that the base agent (a) can be used without additional heating means. Decomposition or expansion can be caused by the heat of reaction caused by the instantaneous reaction of the curing agent (b) to generate gas, (2) In the conventional two-liquid mixing / discharging device, the mixing capacity of the mixer is low, and the generated gas collects to form a large bubble.
  • the urethane foam obtained by the presence of fine gas particles generated from the agent and forming foam nuclei with these particles has high rigidity and high strength with uniform and fine cells.
  • a two-liquid mixing / discharging device wherein the two-liquid mixing and discharging device is a static mixer type cartridge device having a container portion for separately storing the main agent and the hardener, and a mixer portion for mixing the main agent and the hardener.
  • a simple method for forming a urethane foam comprising mixing and discharging two liquids of the main agent and the curing agent while forming a foam nucleus using a force cartridge system, and foaming and curing the mixture.
  • the polyol as the main agent (a) includes, for example, active hydrogen-containing polyols such as polyhydric alcohols, bisphenols, aliphatic amines, aromatic amines, aliphatic amines having an aromatic ring, and alicyclic amines.
  • active hydrogen-containing polyols such as polyhydric alcohols, bisphenols, aliphatic amines, aromatic amines, aliphatic amines having an aromatic ring, and alicyclic amines.
  • Polyether polyols obtained by subjecting a compound to an addition reaction with an alkylene oxide (for example, one or more of ethylene oxide, propylene oxide, butylene oxide, and isobutylene oxide) are preferred.
  • an average hydroxyl value of 150 to 800 preferably 200 to 600 is generally appropriate for the purpose of reinforcement. If it is less than 150, high rigidity cannot be obtained, and if it exceeds 800, the formed urethane foam tends to be brittle.
  • Examples of the above polyhydric alcohol include dihydric alcohols such as ethylene glycol, diethylene dallycol, propylene glycol, dipropylene glycol, butanediol, benzodiol, hexanediol, neopentyl glycol, and cyclohexylene glycol; Methylol propane, glycerin, etc. And trihydric alcohols; tetrahydric or higher alcohols such as pentaerythritol, sorbitol, methyldaricoside, diglycerin, sorbitol, and sucrose.
  • dihydric alcohols such as ethylene glycol, diethylene dallycol, propylene glycol, dipropylene glycol, butanediol, benzodiol, hexanediol, neopentyl glycol, and cyclohexylene glycol
  • bisphenols examples include hydroquinone, 1,4-bis (hydroxyethoxy) benzene, bisphenol A, bisphenol F, bisphenol S, 4,4'-dihydroxybiphenyl, 2,2'-bis (4 —Hydroxyphenyl) hexafluopropane and the like.
  • aliphatic amine examples include ammonia, monoethanolamine, diethanolamine, triethanolamine, polymethylenediamine (ethylenediamine, diaminebutane, diaminopropane, hexanediamine, dodecanediamine, etc.), polyethylenepolyamine (diethylenetriamine). , Triethylenetetramine and the like), polyetherdiamine and the like.
  • aromatic amine examples include 2,4- or 2,6-diaminotoluene (TDA), crude TDA, 1,2-, 1,3- or 1,4-phenylenediamine, and getyl tolylenediamine.
  • TDA 2,4- or 2,6-diaminotoluene
  • MDA 4,4'-diaminodiphenylmethane
  • MDA 4,4'-diaminodiphenylmethane
  • MDA 4,4'-diaminodiphenylmethane
  • MDA 4,4'-diaminodiphenylmethane
  • 1,5-naphthylenediamine 3,3'-dichloro-4,4'-diaminodiphenylmethane
  • 3,3'-dimethyl4 4,'-diaminodiphenylcyclohexane and the like.
  • Examples of the aliphatic amine having an aromatic ring include 1,2-, 1,3- or 1,4-xylenediamine.
  • Examples of the alicyclic amine include 4,4'-diaminodicyclohexylmethane, 3,3'-dimethyl-1,4,4'-diaminodicyclohexylmethane, and 3-amino-11-cyclohexylamino.
  • oligomers having two or more hydroxyl groups such as polyester polyols (condensates of polycarboxylic acids and polyhydroxyl compounds); polycarbonate polyols; polycaprolactone polyols: polybutadiene polyols, acrylic polyols, ethylenic Unsaturated monomer
  • polyester polyols condensates of polycarboxylic acids and polyhydroxyl compounds
  • polycarbonate polyols polycaprolactone polyols: polybutadiene polyols, acrylic polyols, ethylenic Unsaturated monomer
  • polycaprolactone polyols polybutadiene polyols
  • acrylic polyols ethylenic Unsaturated monomer
  • a polymer polyol modified with a body can also be used.
  • Examples of the polycarboxylic acid as a raw material of the polyester polyol include adipic acid, sebacic acid, dimer acid, phthalic anhydride, terephthalic acid, isophthalic acid, phthalic acid, trimellitic acid, and pyromellitic acid.
  • Examples of the polyhydroxyl compound include the polyhydric alcohol used in the polyester polyol described above and the polyester polyol itself.
  • the polyisocyanate compound which is the curing agent (b) includes, for example, aromatic polyisocyanate; aliphatic or alicyclic polyisocyanate: araliphatic polyisocyanate; Modified polyols such as methylolpropane, castor oil, and sucrose, modified carbodiimides, modified arophanates, modified ureas, modified burettes, modified isocyanurates, modified oxazolidones), polyols and excess polysocia It may be selected from among terminal NCO group-containing resin prepolymers obtained by the reaction of a salt compound.
  • aromatic polyisocyanate examples include 1,3- or 1,4-phenylene diisocyanate, 2,4- and Z or 2,6-tolylene diisocyanate (TD 1), crude TDI, diphenylmethane 1,2,4'- and Z or 1,4,4'-diisocyanate (MD 1), polymethylene polyphenylisocyanate (crude MD 1), naphthylene-1,5-diisocyanate, triphenyl methane 1, 4, 4 ', 4 "-triisocyanate and the like.
  • Examples of the above aliphatic or alicyclic polyisocyanates include, for example, isophorone diisocyanate, 1,6-hexamethylene diisocyanate, 4,4′-dicyclohexylmethane diisocyanate, and 1,4-cyclohexyldiisocyanate. Examples thereof include range isocyanate and 2,2,4-trimethylhexamethylene diisocyanate.
  • Examples of the araliphatic polyisocyanate include xylylene diisocyanate and tetramethyl xylylene diisocyanate.
  • polyisocyanate compounds preferred are MDI, crude MDI, sucrose-modified TDI, and carbodiimide-modified MDI, and particularly preferred is crude MDI.
  • reaction ratio between the main agent (a) and the curing agent (b) can be variously changed.
  • the equivalent ratio of active hydrogen ( ⁇ H group) of the base material (a) to NC ⁇ group of the curing agent (b) is within a range of 1: 0.8 to 10, preferably 1: 0.9 to 5. What is necessary is just to select.
  • a foaming agent and a foam nucleating agent together as the foaming agent in the present invention.
  • a foam nucleus is formed by the foam nucleating agent.
  • Water can be used as the foam-forming agent.
  • the foam nucleating agent includes at least one foaming agent selected from the group consisting of a thermal decomposition type chemical foaming agent, a thermal decomposition type inorganic foaming agent, and a thermal expansion type microphone opening balloon.
  • a thermal decomposition type chemical foaming agent e.g., a thermal decomposition type inorganic foaming agent
  • thermal expansion type microphone opening balloon e.g., a thermal expansion type microphone opening balloon.
  • Conventionally used hydrogen atom-containing halogenated hydrocarbon-based blowing agents and low-melting-point, low-boiling-point hydrocarbons such as benzene or heptane
  • thermal decomposition type chemical foaming agents examples include dinitrosopentamethylenetetramine (DPT), azodicarposamide (ADCA), p, p'-oxybisbenzenesulfonylhydrazide (OBSH), and p-toluenesulfonylhydrazide. (TSH), p-toluenesulfonylacetone hydrazone, hydrazodicarbonamide, azobisisobutyronitrile (AIBN), etc. (Furthermore, urea-based or metal-based auxiliaries can be used together).
  • DPT dinitrosopentamethylenetetramine
  • ADCA azodicarposamide
  • OBSH p'-oxybisbenzenesulfonylhydrazide
  • TSH p-toluenesulfonylacetone hydrazone
  • hydrazodicarbonamide azobisisobutyronitrile
  • AIBN azobisiso
  • thermally expandable microballoons such as sodium hydrogen carbonate
  • examples of thermally expandable microballoons include vinyl chloride, acrylonitrile, methacrylates (methyl methacrylate, norbornane methacrylate, trimethylol propane trimethacrylate, etc.), and acrylates (benzyl acrylate, norpolnan acrylate).
  • Chestnut Over preparative etc. one or more homopolymers one if such Ku is a capsule copolymers, can be used as the wrapping of the low boiling solvent (pentane, heptane and the like) therein.
  • the above-mentioned base agent includes a catalyst usually used for a so-called polyurethane reaction, for example, an amine-based catalyst (triethylenediamine, pentamethylene decyltetramine, N-ethylmorpholine, getylethanolamine, 1,8 —Diazapicigro (5.4.0) indene-7 etc.) and metal catalysts (stannous octoate, dibutyltin dilaurate, lead octylate, etc.) can be used.
  • the amount of the catalyst is suitably 0.001 to 5% of the total amount of the urethane composition.
  • the viscosity of the raw material composition raw material is 200 000 cps or less, preferably 100 000 cps or less, and most preferably 800 000 cps or less. If the viscosity exceeds 2000 cps, the material will remain in the mixer portion of the two-liquid mixing cartridge system described later, making it impossible to discharge.
  • the two-component mixing cartridge system having a container part for separately storing the main agent and the hardener and a part of a mixer for mixing the main agent and the hardener is used. And the above-mentioned curing agent are mixed and discharged while forming foam nuclei, and foam-cured.
  • a foam forming agent is used as the foaming agent, and a gas of 10% or less in volume is mixed into the container of the two-liquid mixing cartridge system, and the container is vibrated.
  • a gas of 10% or less in volume is mixed into the container of the two-liquid mixing cartridge system, and the container is vibrated.
  • the particles for stirring are put in the container portion of the cartridge system, since the gas is pulverized by the particles for stirring and a finer cell can be formed.
  • the crushing particles iron, stone, metal spheres, plastic spheres or the like having a diameter of 5 mm or more can be used.
  • the resin foam molded according to the present invention is mainly used as an injection foam material in pillars having a closed cross-sectional structure of not only general automobile bodies but also race cars, modified cars and the like. It is particularly useful, but it is also widely used, including automobiles. Applicable to interior and exterior materials of general vehicles (for example, doors and linings, console boxes, instrument panels, air rectification spoilers), other building materials panels, partition panels, furniture and electrical equipment housings, and interior members. There will be.
  • FIG. 1 is a plan view showing an example of a two-liquid mixing force / one cartridge used in the simple urethane foam forming method of the present invention.
  • FIG. 2 is a side view showing an example of a handgun used in the simple urethane foam forming method of the present invention.
  • FIG. 1 shows an example of a two-part mixed type cartridge used in the simple urethane foam forming method of the present invention.
  • the two-liquid mixing cartridge 1 is roughly divided into a container part 3 for separately storing the main agent and the curing agent, and a mixer part 9 joined to the container part 3.
  • the container part 3 is composed of cylinders 3 a and 3 b formed of plastic or the like, and the cylinder 3 a (3 b) has an inlet 5 a ( 5 b) and a communication hole 7 a (7 b) for sending the liquid to the mixer part 9.
  • the cylinders 3a and 3b preferably have the same volume. In this example, each of the cylinders 3a and 3b is formed to have a volume of 200 cc of liquid.
  • the mixer section 9 is provided with a number of elements 1 3 that divide the streamlines in the pipe in an elongated pipe 11 made of plastic or the like having an inlet 15 and an outlet 17. Has an attached static mixer. Thus, sufficient mixing is achieved only by passing the two liquids into the tube 11. As a result, it has a very simple structure and does not have a motor or the like required for rotational driving, so it is a small, lightweight and easy-to-operate device.
  • a hand gun 20 as shown in FIG. 2 is used.
  • This handgun 20 is provided with a cartridge mounting portion 24 in which the two-liquid mixing cartridge 1 is set in front of the main body portion 22, and a grip portion having a trigger 18 below the main body portion 22.
  • An air inlet 32 is provided below the grip portion 26 via a pressure gauge 30.
  • this hand gun 20 first connect an air pipe (not shown) from an air source (not shown) to the air inlet 32 of the hand gun 20.
  • the two liquids in the cylinders 3a and 3b are passed through the communication holes 7a and 7b to the mixer section 9 at the tip. Lead.
  • the two liquids are mixed in the mixer section 9 and the material liquid is discharged from the outlet 15.
  • the foam curing can be performed at room temperature, but the ambient temperature is preferably 20 or more.
  • the two-liquid mixing cartridge 1 and the hand gun 20 anyone can perform a two-liquid mixing and discharging operation with a simple operation.
  • the two-liquid mixing cartridge 1 and the hand gun 20 are light-weight types, are portable, and are ideal for outdoor work.
  • the two-liquid mixing cartridge 1 is a disposable type, and after use, it is only necessary to replace it with a new one. No troublesome cleaning work is required.
  • the handgun is not limited to the one shown in FIG. 2, but may have another structure as long as it has a function of introducing air into the cartridge.
  • Test example
  • the two-component urethane composition for urethane foam shown in Table 1 under the conditions of air pressure 5 kgf / cm 2 and temperature 20 ⁇ . was mixed and discharged.
  • Table 1 foamed by mixing air Examples 1 to 3 form nuclei, Examples 4 to 6 form foam nuclei with a foam nucleating agent, and Comparative Examples 1 to 3 do not form foam nuclei.
  • the specific gravity of the foamed cured product was measured according to JIS K7222.

Landscapes

  • Polyurethanes Or Polyureas (AREA)

Abstract

L'invention se rapporte à un procédé permettant de former facilement de la mousse d'uréthane, qui se caractérise en ce qu'un système à cartouche de mélange de deux fluides comportant d'une part des parties (3a) et (3b) susceptibles de contenir respectivement (a) un ingrédient principal comprenant un polyol et un agent moussant et (b) un agent durcissant comprenant un composé polyisocyanate, et d'autre part une partie (9) conçue pour mélanger, dans laquelle l'ingrédient principal (a) est mélangé à l'agent durcissant (b), les deux fluides (a) et (b) étant mélangés l'un avec l'autre de manière à former le noyau moussant et le mélange étant alors refoulé de manière à produire la mousse et à durcir.
PCT/JP1999/006114 1999-11-02 1999-11-02 Procede permettant de former facilement de la mousse d'urethane WO2001032389A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP1999/006114 WO2001032389A1 (fr) 1999-11-02 1999-11-02 Procede permettant de former facilement de la mousse d'urethane
JP2001534574A JP4216500B2 (ja) 1999-11-02 1999-11-02 ウレタンフォームの簡易形成方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1999/006114 WO2001032389A1 (fr) 1999-11-02 1999-11-02 Procede permettant de former facilement de la mousse d'urethane

Publications (1)

Publication Number Publication Date
WO2001032389A1 true WO2001032389A1 (fr) 2001-05-10

Family

ID=14237193

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1999/006114 WO2001032389A1 (fr) 1999-11-02 1999-11-02 Procede permettant de former facilement de la mousse d'urethane

Country Status (2)

Country Link
JP (1) JP4216500B2 (fr)
WO (1) WO2001032389A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004107708A (ja) * 2002-09-17 2004-04-08 Sakai Iron Works Co Ltd パイプ構造物内部封止方法
JP2004196905A (ja) * 2002-12-17 2004-07-15 Sunstar Eng Inc 熱可塑化しうる一液型湿気硬化性ウレタン系組成物
JP2010138650A (ja) * 2008-12-12 2010-06-24 Hanshin Expressway Engineering Co Ltd 橋梁の表面保護方法
JP2016163860A (ja) * 2015-03-06 2016-09-08 櫻護謨株式会社 ポリウレア樹脂の施工法及びその樹脂の携帯型施工装置
JP2018508635A (ja) * 2015-03-13 2018-03-29 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ ポリウレタンフォーム製品の形成方法
JP2019006949A (ja) * 2017-06-28 2019-01-17 サンスター技研株式会社 ポリウレタン組成物
WO2020116526A1 (fr) * 2018-12-04 2020-06-11 積水化学工業株式会社 Agent liquide de matière première de composition de polyuréthane, composition de polyuréthane et système de mélange
WO2020122237A1 (fr) * 2018-12-14 2020-06-18 積水化学工業株式会社 Liquide de matière première pour composition de polyuréthane, composition de polyuréthane et système d'évacuation mixte

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3559890A (en) * 1968-09-03 1971-02-02 William R Brooks Foam dispenser
US4067479A (en) * 1975-07-31 1978-01-10 Products Research & Chemical Corporation Two part material meter-mix dispenser apparatus
JPH05220768A (ja) * 1992-02-07 1993-08-31 Tokai Chem Ind Ltd 発泡樹脂混合装置
JPH10110056A (ja) * 1996-10-08 1998-04-28 Mitsubishi Electric Corp 発泡断熱材の製造方法およびその断熱箱体

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3559890A (en) * 1968-09-03 1971-02-02 William R Brooks Foam dispenser
US4067479A (en) * 1975-07-31 1978-01-10 Products Research & Chemical Corporation Two part material meter-mix dispenser apparatus
JPH05220768A (ja) * 1992-02-07 1993-08-31 Tokai Chem Ind Ltd 発泡樹脂混合装置
JPH10110056A (ja) * 1996-10-08 1998-04-28 Mitsubishi Electric Corp 発泡断熱材の製造方法およびその断熱箱体

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004107708A (ja) * 2002-09-17 2004-04-08 Sakai Iron Works Co Ltd パイプ構造物内部封止方法
JP2004196905A (ja) * 2002-12-17 2004-07-15 Sunstar Eng Inc 熱可塑化しうる一液型湿気硬化性ウレタン系組成物
JP2010138650A (ja) * 2008-12-12 2010-06-24 Hanshin Expressway Engineering Co Ltd 橋梁の表面保護方法
JP2016163860A (ja) * 2015-03-06 2016-09-08 櫻護謨株式会社 ポリウレア樹脂の施工法及びその樹脂の携帯型施工装置
JP2018508635A (ja) * 2015-03-13 2018-03-29 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ ポリウレタンフォーム製品の形成方法
US10894857B2 (en) 2015-03-13 2021-01-19 Basf Se Method of forming a polyurethane foam article
JP2019006949A (ja) * 2017-06-28 2019-01-17 サンスター技研株式会社 ポリウレタン組成物
WO2020116526A1 (fr) * 2018-12-04 2020-06-11 積水化学工業株式会社 Agent liquide de matière première de composition de polyuréthane, composition de polyuréthane et système de mélange
JPWO2020116526A1 (ja) * 2018-12-04 2021-05-20 積水化学工業株式会社 ポリウレタン組成物原料液剤、ポリウレタン組成物、及び混合システム
WO2020122237A1 (fr) * 2018-12-14 2020-06-18 積水化学工業株式会社 Liquide de matière première pour composition de polyuréthane, composition de polyuréthane et système d'évacuation mixte
JPWO2020122237A1 (ja) * 2018-12-14 2021-10-21 積水化学工業株式会社 ポリウレタン組成物原料液剤、ポリウレタン組成物、及び混合吐出システム
JP7064568B2 (ja) 2018-12-14 2022-05-10 積水化学工業株式会社 ポリウレタン組成物原料液剤、ポリウレタン組成物、及び混合吐出システム

Also Published As

Publication number Publication date
JP4216500B2 (ja) 2009-01-28

Similar Documents

Publication Publication Date Title
US20020169227A1 (en) Rigid polyurethane foams
Ashida Polyurethane and related foams: chemistry and technology
EP3486062B1 (fr) Matériau extensible formé
KR101832506B1 (ko) 열팽창성 및 경화성 에폭시-기재 화합물을 제조하기 위한 프리믹스 및 방법
US20090053490A1 (en) Highly Filled Composite Materials
JP2007529600A (ja) 基体への発泡性軟質ポリウレタンの接着方法
RU2005131305A (ru) Водная композиция с эффектом мягкости на ощупь, пена со свойствами мягкости на ощупь, способ ее получения и применение
WO2001032389A1 (fr) Procede permettant de former facilement de la mousse d'urethane
US20040048941A1 (en) Process for the Production of void-free, pinhole-free polyurethane block foam
US4464320A (en) Reaction injection molding system for expanded synthetic articles
US3651182A (en) Method of making multicellular thermoset foamed plastic beads
GB2419840A (en) Interior vehicle trim panel with sprayed on expanded polyurethane layer.
MXPA02006403A (es) Borde de bocina, metodo para moldear por espumado el mismo, aparato para moldear por espumado el mismo, sistema para moldear por espumado el borde de bocina, y bocina que emplea el borde de bocina.
JPH10212332A (ja) ウレタンフォーム用二液型ウレタン組成物
US4405538A (en) Resin transfer molding system with controlled induction period for expanded synthetic articles
JP5240600B2 (ja) 発泡合成樹脂の製造装置およびその製造方法
JP4102623B2 (ja) 車体部材の制振工法
JP4979939B2 (ja) ポリウレタン発泡体の製造方法
JP2006169474A (ja) 硬質ポリウレタンフォーム用２液型エアゾール組成物
US4476076A (en) Method of open forming an expanded polyester resin article involving a controlled induction period
JP3504450B2 (ja) 弾性発泡体の製造方法および該方法により得られた弾性発泡体
JP2004035665A (ja) 硬質ポリウレタンフォーム、およびその製造方法
JPH115862A (ja) 硬質ポリウレタンフォームの製造方法
JP2024014696A (ja) 車両用吸音材
EP4352124A1 (fr) Mousses souples à base d'isocyanate à cellules ouvertes ayant un faible dégagement de chaleur pendant le moussage

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): JP US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase