WO1999024500A1 - Composition de resine expansible et procede de production de mousse - Google Patents
Composition de resine expansible et procede de production de mousse Download PDFInfo
- Publication number
- WO1999024500A1 WO1999024500A1 PCT/JP1998/004989 JP9804989W WO9924500A1 WO 1999024500 A1 WO1999024500 A1 WO 1999024500A1 JP 9804989 W JP9804989 W JP 9804989W WO 9924500 A1 WO9924500 A1 WO 9924500A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- component
- resin composition
- compound
- foamable resin
- group
- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/149—Mixtures of blowing agents covered by more than one of the groups C08J9/141 - C08J9/143
-
- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
-
- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/125—Water, e.g. hydrated salts
-
- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/127—Mixtures of organic and inorganic blowing agents
-
- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/141—Hydrocarbons
-
- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/142—Compounds containing oxygen but no halogen atom
-
- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
-
- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
- C08J9/146—Halogen containing compounds containing carbon, halogen and hydrogen only only fluorine as halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/16—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers in which all the silicon atoms are connected by linkages other than oxygen atoms
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/12—Polysiloxanes containing silicon bound to hydrogen
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/442—Block-or graft-polymers containing polysiloxane sequences containing vinyl polymer sequences
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/60—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which all the silicon atoms are connected by linkages other than oxygen atoms
-
- 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
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
- C08J2201/022—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments premixing or pre-blending a part of the components of a foamable composition, e.g. premixing the polyol with the blowing agent, surfactant and catalyst and only adding the isocyanate at the time of foaming
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/06—CO2, N2 or noble gases
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/10—Water or water-releasing compounds
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/12—Organic compounds only containing carbon, hydrogen and oxygen atoms, e.g. ketone or alcohol
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
- C08J2203/182—Binary blends of expanding agents of physical blowing agents, e.g. acetone and butane
-
- 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
- C08J2383/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2383/10—Block- or graft-copolymers containing polysiloxane sequences
Definitions
- the present invention relates to a foamable resin composition characterized in that a foam is obtained by foaming and curing by mixing each component under normal or relatively low temperature heating, and a foam using the foamable resin composition. It relates to a method for producing a body.
- the present invention relates to a foamed foam having fine cells which can be suitably used for applications such as soundproofing, heat insulation, water blocking, airtightness, vibration suppression, protection, cushioning, and decoration.
- TECHNICAL FIELD The present invention relates to a water-soluble resin composition and a method for producing a foam by spraying or pouring using the same. Background art
- polyurethane foam phenol foam has been manufactured by spraying or pouring and is widely used as a heat insulating material for buildings and the like.
- polyurethane since polyurethane must use an isocyanate and phenol form must use a strongly acidic substance, safety during foaming was an issue.
- the applicant of the present invention has invented and disclosed a foamable resin composition having a high foaming ratio, a low toxicity, and capable of foaming in situ (International Publication Nos. WO96 / 15194, WO 9 7/4 3 3 3 3).
- the present applicant has further developed the present invention to obtain a foam having fine cells which can be sprayed or injected. Focus on doing things.
- the present invention provides a foam having a high foaming ratio and fine cells that can be foamed and hardened by spray discharge or injection or the like without using isocyanate or a strongly acidic substance at room temperature or relatively low temperature heating.
- An object of the present invention is to provide a foamable resin composition to be provided, and a method for producing the foam. Disclosure of the invention
- a foamable resin composition comprising a component having a viscosity of a certain value or less is used. It has been found that a foam having a high expansion ratio and having fine cells can be obtained by mixing or spraying or pouring while mixing during foaming and curing, and completed the present invention.
- the foamable resin composition of the present invention is a foamable resin composition which is divided into two or more kinds of divided mixed components, and which is foamed and cured by mixing these divided mixed components with each other,
- the two or more split mixed components each contain one or more of the components (A), (B) and (C), and the viscosity at 23 is 5 Pa-s or less. It is unique.
- One of the two or more divided mixed components is the component (A) 100 It is preferable that the component (C) is a divided mixed component having a viscosity at 23: 5 Pa ⁇ s or less of 5 parts by weight or more based on parts by weight.
- the solubility of the component (C) in the component (A) at 23 t is preferably 5 parts by weight or more based on 100 parts by weight of the component (A).
- foaming agents include hydrofluorocarbons (HFC) having 2 or 3 carbon atoms, hydrochloride fluorocarbons (HCFC) having 1 to 3 carbon atoms, and HCFCs having 3 to 6 carbon atoms. Any one or more selected from hydrocarbons and ethers having 2 to 6 carbon atoms can be suitably used. Specific examples thereof include HFC134a, HFC152a, HCFC22, HCFC144b, HCFC142b, HFC245fa, prononone, n-butane, and cyclo. Examples include pentane, dimethyl ether and dimethyl ether.
- the compound having an OH group as the component (C) an organic compound in which an OH group is directly bonded to a carbon atom and / or water are preferably used.
- the solubility of 23 in 100 parts by weight of the component (A) is less than 5 parts by weight.
- a low-boiling compound having a boiling point of 0 ° C. or lower can be further contained.
- component (D) one or more selected from nitrogen, compressed air, carbon dioxide, chlorofluorocarbon, and a saturated hydrocarbon are suitably used.
- the “organic compound” of the component (A) is preferably used.
- the term “compound” refers to a compound having substantially no siloxane bond in the skeletal structure, and the specific structure is not particularly limited. For example, a phenol compound, a bisphenol compound, a polyether polymer, a polyester polymer, or the like is preferable. Used.
- the structure of the component (B) is also not particularly limited, but includes a linear and / or cyclic organosiloxane having one or more hydrosilyl groups in one molecule. Can be used.
- a foam having a high expansion ratio and having fine cells can be obtained by spraying or pouring while mixing or after mixing the divided mixed components. can get. This is due to the fact that the hydrosilylation reaction between the carbon-carbon double bond of the component (A) and the hydrosilyl group of the component (B) takes place, and the curing proceeds.
- the foaming agent of component (C) volatilizes, or the hydrosilyl group of component (B) reacts with the OH group of the OH group-containing compound of component (C) to generate hydrogen. This is because it occurs.
- the skeleton structure of the component (A) is not particularly limited as long as it satisfies the condition that the siloxane bond is not substantially contained.
- the monomer skeleton include phenol-based, bisphenol-based, epoxy resin monomers, Isocyanates or mixtures thereof.
- Polymers include polyethers, polyesters, polyesters, saturated hydrocarbons, polyacrylates, polyamides, diaryl phthalates, and phenol-formaldehydes. (Phenol resin type), skeletons such as polyurethane type, polyurethane type, melamine type polymer, epoxy resin, etc., and more preferably phenol type compound and bisphenol type compound in terms of availability. , Polyether polymers, and polyester polymers.
- phenolic and phenolic or bisphenolic compounds examples include compounds represented by the following general formula (1).
- R ⁇ R 2 represents a hydrogen atom or a methyl group
- R 3, R 4, R S represents a divalent substituent of 0-6 carbon atoms
- 6, R 7 and R 8 each represent a monovalent substituent having 0 to 6 carbon atoms
- X ⁇ X 2 represents a divalent substituent having 0 to 10 carbon atoms.
- s represents an integer of 1 to 300
- p, Q, and r represent integers of 0 to 3.
- bisphenol compounds include ⁇ , ⁇ ′-diarylbisphenol 8,2,2′-diarylbisphenol A, bisphenol A and arylglycidyl ether or glycidyl methyl chloride. Reaction products, bisphenol A bisaryl carbonate, bis (meth) acrylic acid ester, and the like.
- isocyanate compounds such as 4,4'-methylenebis (phenylisocyanate) and 1,2-diisocyanate with aryl alcohol, aryl glycol or arylamine.
- isocyanate compounds such as 4,4'-methylenebis (phenylisocyanate) and 1,2-diisocyanate with aryl alcohol, aryl glycol or arylamine.
- Urethane, urea-based compounds and the like obtained can also be used.
- aryl ether-based compound obtained by Michael addition of aryl alcohol, aryl glycol, or the like to bis (meth) acrylic acid ester can also be used.
- polyether polymer examples include aryl-terminated polypropylene oxide and polyethylene oxide.
- polyester polymers include phthalic anhydride-ethylene glycol polymer or Examples include an aryl ester of diethylene glycol polymer in water phthalate.
- the carbon-carbon double bond of the component (A) is not particularly limited as long as it can undergo an addition reaction with the component (B) by hydrosilylation. What is necessary is just to couple
- the divalent or higher valent substituent is a substituent having 0 to 10 carbon atoms and containing only one or more of C, H, N, ⁇ , S, NO, and halogen as constituent elements. There is no particular limitation, and two or more of these divalent or more substituents may be connected by a covalent bond to form one divalent or more substituent.
- vinyl, aryl, methallyl, aryloxy, acryl and methacryl groups are preferred from the viewpoint of availability of raw materials and ease of synthesis.
- the carbon-carbon double bond may be present anywhere in the molecule, but is preferably present on the side chain or terminal from the viewpoint of reactivity. From the viewpoint of curability, the number thereof is preferably more than one on average per molecule, and more preferably two or more. However, if molecules containing two or more carbon-carbon double bonds are included to some extent, even if the average value is two or less, curing may be sufficient.
- the structure of the component (A) may be linear or branched, and the molecular weight is not particularly limited, but any of about 100 to 100,000 can be suitably used. Those with 0, 000 are particularly preferred.
- one type may be used alone, or two or more types may be used in combination.
- the viscosity of the component (A) is preferably not more than 20? &'S, preferably not more than lOPa's, and more preferably not more than 5Pa's. More preferred.
- the component (A) is capable of being used as a mixture of two or more kinds, and in this case, even if the viscosity of a single compound exceeds 20 Pa-s However, as long as the component (A) after mixing is 20 Pa ⁇ s or less, there is no problem.
- the viscosity of the component (A) alone or after mixing exceeds 20 Pa ⁇ s
- the component (A) and a part of the component (C) are mixed as a divided mixed component described later. Even if a divided mixed component having a viscosity of not more than 20 Pa ⁇ s is adjusted, a phenomenon unfavorable for formation of a good foam tends to occur, such as an increase in the size of cells of the foam.
- the viscosity of the component (A) is largely determined by its skeletal structure and molecular weight.
- the approximate molecular weights at which the component (A) having the skeleton structure has a viscosity of 20 Pa's or less are shown below.
- the viscosity at 23 may exceed 20 Pa ⁇ s.
- the viscosity can be controlled within the range of the present invention.
- the ratio depends on the composition of other components, but usually ranges from 95 to 5 parts by weight of 2,2'-body to 5 to 95 parts by weight of ⁇ , ⁇ '-body (10 to 10 parts by weight in total). (0 parts by weight), and preferably mixed at a ratio of 80 to 20 parts by weight of the O, O'-form to 80 to 20 parts by weight of the 2,2'-form.
- the compound having a hydrosilyl group as the component (B) will be described.
- the compound having a hydrosilyl group that can be used in the present invention, and the compounds described in International Publication WO96 / 15194 can be used.
- a chain and / or cyclic polyorganosiloxane having one or more hydrosilyl groups in the molecule can be suitably used.
- a skeleton containing one or more hydrosilyl groups in one molecule and introduced from one or more compounds selected from styrene derivatives, phenol derivatives, bisphenol derivatives, polyether derivatives, and olefin derivatives Is preferably a chain and / or cyclic polyorganosiloxane having the following in its molecule.
- chain and cyclic organohydridoenepolysiloxane include compounds represented by the following general formula (2) or (3).
- the divalent or higher substituent represented by R 14 is not particularly limited, and may be a carbon-carbon divalent group such as a vinyl group, an aryl group, an acryl group, and a methyl acryl group.
- a compound derived from a compound having two or more ⁇ H groups such as a heavy bond, a hydroxyl group and a carboxyl group in a molecule is appropriately used.
- the compounds represented by the above formulas (4) to (6) ′ are merely examples, and for example, the silyl group at the open mouth in each compound may be a chain or cyclic organo group via another substituent. Of course, it is also acceptable to use one having a structure bonded to the hydroxylene polysiloxane.
- the compounds represented by the general formulas (2) and (3) the compounds represented by the following general formulas (7) and (8) are particularly preferably used.
- the method for obtaining the compounds obtained by the above general formulas (2) and (3) is as follows.
- H 2 C CHCH 2 -[(PO) n one (E ⁇ ) m] one OH
- chain polyorganohydrogensiloxane represented by the formula (9) include polymethylhydrogensiloxane, polyethylhydrogensiloxane, polyphenylhydrogensiloxane, methylhydrogensiloxane, and the like.
- examples thereof include a dimethylsiloxane copolymer, a methylhydrogensiloxane-getylsiloxane copolymer, a methylhydrogensiloxanesiloxane-methylphenylsiloxane copolymer, and an ethylhydrogensiloxane-dimethylsiloxane copolymer.
- siloxane unit in the cyclic polyorganohydrogensiloxane represented by the formula (10) include methylhydrogensiloxane, ethylhydrogensiloxane, phenylhydrogensiloxane, dimethylsiloxane, and dimethylsiloxane.
- examples thereof include tyl siloxane and methyl phenyl siloxane, and those obtained by copolymerizing them to form a cyclic body are used.
- the ratio of the total silicon atom in which the polyoxyalkylene group and the aromatic ring-containing organic group are bonded to all the siloxane units is referred to as a modification rate. I will.
- the modification rate is preferably from 5 to 90%, particularly preferably from 5 to 25%. However, since the denaturation rate has a distribution, the values given here are average values. If the modification rate is lower than 5%, the compatibility with the organic compound having a carbon-carbon double bond is deteriorated, the foam-regulating property is reduced, and the cells of the foam do not become fine, and in some cases, breakage occurs during foaming. Foam may be generated and a sufficient expansion ratio may not be obtained.
- the modification ratio is higher than 90%, the hydrosilyl group equivalent becomes large, and in order to obtain a foam using this compound alone as a curing agent, a large amount is required, and only a foam having a low expansion ratio is required. It is not preferable because it cannot be obtained.
- the ratio of the aromatic ring-containing organic groups bonded to the modification ratio can be arbitrarily adjusted within a range that does not adversely affect the compatibility of the mixture during the production of the foam.
- the ratio of oxyethylene units is large, and the ratio of oxyethylene units to all oxyalkylene units is 50 to 100% in terms of several units. If the ratio of the oxyalkylene unit is smaller than this, sufficient foam control properties cannot be obtained.
- the molecular weight of the oxyalkylene chain is not particularly limited, but is preferably from 100 to 300, more preferably from 200 to 100, in terms of number average molecular weight. If the number average molecular weight is less than 100, sufficient foam control properties cannot be obtained. If the number average molecular weight is more than 300, the density of the hydrosilyl group decreases. For this purpose, a large amount must be used, and therefore, only a foam having a low expansion ratio can be obtained, which is not preferable.
- the following component (a) was obtained with the aim of obtaining a foam having uniform cells, no internal cracks and voids, and suppressed shrinkage and the like generated after the completion of foaming.
- component (B) When the compound obtained by reacting the components (a), (b) and (c) is used as the component (B), the compatibility and foam-regulating properties are good, and the The effect is obtained that the shrinkage is largely suppressed to a low shrinkage ratio of 10% or less. This is thought to be because component (b) contributes to improving compatibility and suppressing shrinkage, and component (c) contributes to improving compatibility and foam control.
- chain organohydrogensiloxane of the component (a) include those represented by the following general formula (11).
- cyclic organohydrogensiloxane examples include those represented by the following general formula (12).
- the number of hydrosilyl groups per molecule of the chain or cyclic siloxane as the component (a) is preferably 2 or more and 1 ° or less, more preferably 2 or more and 6 or less. It is. If the number of hydrosilyl groups per molecule is less than 2, the physical strength of the finally obtained foam is reduced, and as a result, shrinkage becomes difficult to suppress. In addition to shrinkage, the foam may crack.
- component (a) examples include polymethylhydrogensiloxane, polyethylhydrogensiloxane, polyphenylhydrogensiloxane, and the like, and copolymers or mixtures thereof.
- cyclic siloxanes include 1.3,5—trimethylcyclotrisiloxane, 1,3,5,7—tetramethylcyclotetrasiloxane, 1,3,5,7 , 9-pentamethylcyclopentene siloxane, and mixtures thereof.
- the functional group capable of reacting with the hydrosilyl group includes a carbon-carbon double bond such as a piper group, an aryl group, an acryl group, and a methacryl group; Examples include compounds having an OH group such as a droxyl group and a propyloxyl group, and two or more of these may be present in one molecule.
- the functional group may be present anywhere in the molecule, but is preferably present on the side chain or terminal from the viewpoint of reactivity.
- the number of functional groups that can react with the hydrosilyl group in one molecule is preferably from 2 to 4, more preferably from 2 to 3. If the number of functional groups capable of reacting with the hydrosilyl group in one molecule exceeds four, the component (a) and the component (b) may form a gel during any reaction, which is not preferable.
- the skeleton of the component (b) is also not particularly limited, and examples thereof include ordinary organic monomer skeletons or organic polymer skeletons, and inorganic compounds such as water.
- organic monomer skeleton examples include hydrocarbons, aromatic hydrocarbons, phenols, bisphenols, epoxy resin monomers, isocyanates, and mixtures thereof.
- Organic polymers include polyethers, polyesters, polycarbonates, saturated hydrocarbons, polyacrylates, polyamides, diaryl phthalates, phenol-formaldehydes (phenolic resins), and polyurethanes. Examples include skeletons of urethane-based, polyurethane-based, melamine-based polymers, and epoxy resins.
- component examples include ⁇ , ⁇ -alkadiene such as 1,9-decadiene, divinylbenzene, diarylbenzene, 1,4-butanediol and aryl ether, and furanic anhydride and its anhydride.
- Ryl esters ⁇ , ⁇ 'diarylbisphenol A, 2,2'-diarylbisphenol A, ethylene glycol or diethylene darcol, and their aryl ethers, aryl-terminated polypropylene oxide and polyethylene oxide And phthalic anhydride-ethylene glycol polymer or phthalic anhydride-diethylene glycol polymer aryl ester, 9-decene-111-ol, and ethylene glycol monoallyl ether.
- those listed as specific examples of the component (A) are appropriately used. be able to.
- the components (b) and (A) have a similar structure, the compatibility of the system can be increased, and a foam having fine cells can be obtained.
- the molecular weight of the component (b) is not particularly limited, but a molecular weight of about 100,000 or less can be used as appropriate, and a molecular weight of 100,000 or less is preferable.
- examples of the functional group capable of reacting with the hydrosilyl group of the component (c) include the functional group capable of reacting with the hydrosilyl group of the component (b). The same is mentioned. Like the component (b), it may be located anywhere in the molecule, but is preferably located on the side chain or terminal from the viewpoint of reactivity. Furthermore, examples of the skeleton of the component (c) also include the organic monomers and Z or organic polymers listed as the skeleton of the component (b).
- component (c) examples include mono-olefins such as 1-hexene, 1-octene, 1-decene, etc., 1-propanol, 1-octanol, and ethylene glycol monoethyl ether.
- carboxylic acids such as 2-ethylhexanoic acid
- acrylic acids such as butyl acrylate, methyl methacrylate, styrene, 4-methylstyrene, 2,4-dimethylstyrene, ⁇ —Methylstyrene, 4-bromostyrene, 2—Vinylnaphthalene, arylbenzene, arylanisole, arylphenylether, ⁇ —arylphenol, ⁇ —Aromatic compound such as isopropenylphenyl (Meth) acrylic group, propyloxyl group, or other terminal substituted with an organic group that does not react with the hydrosilyl group Been Helsingborg Okishiarukiren, polyester, etc. accession Li Le polymers.
- the molecular weight of the component (c) is not particularly limited, those having a molecular weight of about 100,000 or less can be appropriately used, and those having a molecular weight of 100,000 or less are preferable.
- the mixing ratio of each of the above components (a), (b) and (c), that is, the number of moles of the hydrosilyl group of the component (a) is x, and the function of reacting with the component (a) of the component (b) is There are no particular restrictions on the values of y / X and z / X when the number of moles of the group is y and the number of moles of the functional group capable of reacting with the component (a) of the component (c) is z.
- the object of the present invention is not to sufficiently suppress shrinkage, and if it exceeds 0.5, the reaction between the component (a) and the component (b) may occur. In this case, the viscosity is increased due to the increase in the molecular weight and the like, which is not preferable.
- z / X is less than 0.001
- the compatibility of the system is not sufficient, and as a result, the cells of the foam tend to be roughened, and conversely, if the value exceeds 0.8, shrinkage occurs. There is a tendency for the suppression effect to decrease.
- the compound obtained by the reaction of each of the above components (a), (b) and (c) is a mixture of compounds having various structures because the component (b) is polyfunctional. Examples thereof include those containing the compound represented by the following formula (13). In addition, these mixtures can be used as they are without purification. (13)
- n represents an integer of 1 or more and 100 or less, preferably 40 or less.
- component (B) in the present invention one type may be used alone, or two or more types may be used in combination.
- the number of the hydrosilyl groups in the component (B) is preferably more than one on average per molecule from the viewpoint of curability, and is two or more, like the carbon-carbon double bond in the component (A). Is more preferable. Since the component (B) and the component (C) are dehydrocondensed and participate in foaming, the number of the hydrosilyl groups is determined by a desired foaming ratio, but is generally 3 or more. Is more preferable. However, if molecules containing two or more hydrosilyl groups are contained to some extent, even if the average value is two or less, curing may be sufficient. On the other hand, the upper limit of the number is preferably 80 or less, more preferably 50 or less, in view of the availability of the compound and the balance between foaming and curing.
- the mixing ratio of the component (B) to the component (A) in the foamable resin composition of the present invention is not particularly limited, but the number of moles of the double bond of the component (A) is X, and the hydrosilyl of the component (B) is hydroxysilyl.
- foaming agent (C) and the compound having an O H group will be described.
- a foaming agent as a foaming agent, it is possible to appropriately select and use those usually used for organic foams such as polyurethane, phenol, polystyrene, and polyolefin.
- the type of the foaming agent is not particularly limited. From the viewpoint of workability and safety, compounds selected from organic compounds such as hydrocarbons, ketone compounds, chlorofluorocarbons and ethers are used alone or in combination of two or more. It is preferable to use it.
- hydrocarbons examples include methane, ethane, propane, n-butane, isobutane, n-pentane, isopentane, neopentane, n-hexane, 2-methylpentane, 3-methylpentane, 2,2-dimethylbutane , 2,3-dimethylbutane, cyclopentane, cyclobutane, cyclopentane, cyclohexane and the like.
- ketone compound examples include acetone, methylethylketone, methylisopropylketone, and the like.
- fluorocarbons examples include trichloro mouth fluoromethane (R 11), dicyclo mouth difluoromethane (R 12), black mouth trifluoromethane (R 13) bromo trifluoromethane (R 13 B 1) , Tetrafluoromethane (R14), dichlorofluoromethane (R21), chlorofluoromethane (R22), trifluoromethane (R23), difluoromethane (R32) , Fluoromethane (R41), tetrachlorofluoroethane (R112), trichloride trifluorene (R113), dichlorotetrafluoroethylene (R114) , Dibromote trafluoroetan (R114B2), black mouth pen fluorene (R115), hexafluororoethane (R116), black mouth trifluorene (R123) , Tet Lafluorene (R134a), dichlorofluorene
- HCFC fluorocarbon
- CFC fluorocarbon
- HFC fluorocarbon
- ethers examples include dimethyl ether, getyl ether, ethyl methyl ether, dipropyl ether, diisopropyl ether, butymethyl methyl ether, butyl ethyl ether, tert-butyl methyl ether, tert-butyl ethyl ether, 1, 1-dimethyl Propyl methyl ether, methyl pentafluoroethyl ether, 2,2,2-trifluoroethyl ether, methyl (trifluoromethyl) tetrafluoroethyl ether, methyl n-nonafluorobutyl ether and ethyl n — Nonafluorobutyl ether and the like.
- the solubility of the foaming agent in component (A) in 23 is preferably 5 parts by weight or more, more preferably 10 parts by weight or more, and more preferably 15 parts by weight or more, based on 100 parts by weight of component (A). More preferred. Solubility less than 5 parts by weight Is not preferable because the cells of the foam become rough, and it is difficult to obtain a desired high-magnification foam.
- the solubility of the foaming agent in the component (A) can be determined, for example, by the following method. That is, if the boiling point of the blowing agent is 23 or more, the weight of the component (A) and the weight after dissolving the blowing agent may be measured, and the difference may be obtained. If it is difficult to measure by the above method because the value is less than 23, etc., weigh the component (A) and the foaming agent into a pressure-resistant container with a known volume, and then determine the volume and pressure of the void in the pressure-resistant container. The amount of the undissolved blowing agent is determined, and the solubility can be determined based on the amount.
- the boiling point of the blowing agent is preferably 100 ° C. or lower, more preferably 8 Ot: or lower, and particularly preferably 50 * or lower. If the boiling point exceeds 100 ° C., the balance between foaming and curing becomes poor, and a foam having a high expansion ratio cannot be obtained.
- the foaming agent that satisfies the above conditions includes hydrocarbons and fluorocarbons, depending on the structure of the component (A).
- HFC Fluorocarbon
- HFC Fluorocarbon
- component 100 parts by weight
- HCFC fluorocarbon
- hydrocarbons having 3 to 6 carbon atoms
- ketone compounds having 3 to 5 carbon atoms
- ethers having 2 to 6 carbon atoms.
- HFC134a HFC152a
- HCFC141b HCFC142b
- HFC245fa propane, cyclopentane, dimethyl ether, getyl ether, Methyl n-nonafluorobutyl ether, ethyl n-nonafluorobutyl ether and the like.
- blowing agent other than the above-mentioned specific blowing agent may be used in combination with the specific blowing agent. Can be. In that case, the amount of these foaming agents to be added depends on the specific foaming agent.
- the type of the compound having a ⁇ H group used in the present invention is not particularly limited, but a compound in which an OH group is directly bonded to a carbon atom is suitably used, and examples thereof include alcohols and carboxylic acids.
- alcohols include n-propanol, iso-propanol, n-butanol, iso-butanol, ethylene glycol, and the like.
- carboxylic acids include hexanoic acid and 2-ethyl.
- a combination of a primary alcohol such as n-propanol and a secondary alcohol such as iso-propanol, a carboxylic acid and a primary alcohol, or a combination of a carboxylic acid and water is preferable.
- Either one of the above foaming agent and the compound having an O H group may be used alone, or both may be used in combination.
- the foamable resin composition of the present invention for foaming, for example, N a HC_ ⁇ 3, (NH 4) 2 C 0 3, NH 4 HC_ ⁇ 3, NH 2 N 0 2, C a (N 3 ) 2, inorganic foaming agents such as N a BH 4, ⁇ zone dicarboxylic Ami de, Azobisui Su Wu Chironi Bok Lil, barium ⁇ zone dicarboxylate rate, Gini Torosopentame Chirente Torami down, organic, such as p-toluenesulfonyl arsenide Doraji' de It is also possible to use a combination of a blowing agent, the generation of carbon dioxide by the reaction of an isocyanate with a compound having an active hydrogen group, mechanical stirring, and the like.
- D Ingredient
- the low-boiling compound which is the component (D) has a solubility of less than 5 parts by weight in 100 parts by weight of the component (A) in 23 and a boiling point of 0 ° C. or lower is described.
- the solubility of the component (D) in the component (A) in 23 is preferably less than 5 parts by weight, more preferably less than 2 parts by weight, based on 100 parts by weight of the component (A).
- the component (D) is effectively used for improving the spray discharge or injection of the divided mixed component when foaming and curing the foamable resin composition. That is, when the viscosity difference between the divided mixed components is large, or when the pressure of the divided mixed components is not large, the pressure in the container can be adjusted by using the component (D), and as a result, A stable discharge amount and a stable mixing ratio can be obtained.
- the type of the low-boiling compound used as the component (D) is not particularly limited, but from the viewpoint of workability and safety, compounds selected from organic compounds such as hydrocarbons and chlorofluorocarbons, carbon dioxide, nitrogen, and air. Are preferably used alone or in combination of two or more.
- hydrocarbon chlorofluorocarbon, or organic compound
- foaming agents exemplified as the component (C)
- those having a boiling point and a solubility in the component (A) that satisfy the above conditions are preferably used.
- a catalyst for the dehydrocondensation of the component (B) with the component (C) and the addition reaction (hydrosilylation reaction) between the component (A) and the component (B) can be appropriately used.
- hydrosilylation catalyst is not particularly limited, chloroplatinic acid, a platinum-one-year-old refine complex, a platinum-vinyl siloxane complex, and the like are preferable in terms of availability and catalytic activity. These catalysts can be used alone. Two or more kinds may be used in combination.
- the addition amount of the catalyst is not particularly limited, with respect to human Doroshiriru group 1 mol, 1 0 - preferably 1 ⁇ 1 0- s mols, more preferably, 1 0- 2 ⁇ : L 0- 6 moles of Range.
- a cocatalyst can be used in combination with the above catalyst, and triphenylphosphine is mentioned as an example.
- the addition amount of the co-catalyst is not particularly limited, the catalyst 1 mol, 1 0 _ 2 to 1 0 2 mols, more preferably 1 0 - 1 to 1 0 mol range.
- the foamable resin composition of the present invention further comprises a solvent, a filler, an antioxidant, a radical inhibitor, an ultraviolet absorber, an adhesion improver, a flame retardant, and a polydimethylsiloxane-polyalkylene oxide.
- Foam stabilizers such as surfactants or organic surfactants (polyethylene glycol alkylphenyl ether, etc.), storage stability improvers, ozone deterioration inhibitors, light stabilizers, thickeners, plasticizers, coupling agents , Antioxidants, heat stabilizers, conductivity-imparting agents, antistatic agents, radiation-blocking agents, nucleating agents, phosphorus-based peroxide decomposers, lubricants, pigments, metal deactivators, and physical property modifiers. It can be added as long as the object and effects of the invention are not impaired.
- blowing agent having a boiling point of 100 ° C. or lower as described above, but it is preferable to use a solvent or a plasticizer having a boiling point of 100 ° C. or more as an additive. Is not a problem.
- one or more of the above components (A) to (C) is contained, and the viscosity at 23 ° C is 5 Pa each.
- ⁇ Prepare two or more divided mixed components of s or less.
- the combination of the divided mixed components can be arbitrarily determined based on the compatibility, quantitative ratio, and the like.
- the divided mixed component 1 (constituting the component (A), the component (C), and the hydrosilylation catalyst) can be used.
- component (D) when the component (D) is also used, it may be added to any of the divided mixed components as needed.
- the viscosity of each of the divided mixed components at 23 ° C. is preferably 5 Pa ⁇ s or less, more preferably 2.5 Pa ⁇ s or less.
- the viscosity exceeds 5 Pa ⁇ s, when mixing the divided mixed components to obtain a foam, the mixing becomes insufficient or the cells of the obtained foam become non-uniform. I don't like it.
- the measurement of the viscosity can be performed using a normal viscosity measuring device such as a B-type viscometer or an E-type viscometer.
- a normal viscosity measuring device such as a B-type viscometer or an E-type viscometer.
- the boiling point of the foaming agent used as the component (C) is low, it is necessary to measure the viscosity in a pressure vessel. If measurement in a pressure vessel is difficult, estimate from the viscosity when other compounds such as HCFC141b are added, unless there is another factor that significantly affects the viscosity characteristics. Is possible.
- the method for producing the foam for example, a method that has been developed for polyurethane foam, phenol form, silicone form, or the like may be appropriately combined or partially modified so as to be applicable to the present invention.
- the method for producing a foam for each of the above foams generally comprises a combination of a liquid sending method for mixing the respective mixed components, a mixing method thereof, and a method of discharging the mixed composition.
- a liquid sending method for mixing each mixed component a method in which each mixed component is simply placed in the same container, a method in which the diaphragm is destroyed in a single container previously divided using a diaphragm or the like. Removal method, pressurization of each mixed component by mechanical means or manual operation, sending liquid using compressed gas, etc., or using low-boiling compound, sending liquid by pressure at which this evaporates And the like.
- a method of mixing inside and / or outside a mixing device there is a method of mixing inside and / or outside a mixing device.
- a mixing method a method using a stirrer in a mixing device, a method using mechanical mixing, a method using a stick mixer, etc., in order to further improve the mixing performance of the method using collision mixing, a container, Alternatively, a method of shaking the mixing device, a method of using these in combination, and the like can be given.
- a method of discharging the composition after mixing a method of directly discharging the mixed component using a spray gun, a nozzle, or a conduit, a method of discharging by pressurizing using a machine or the like
- examples thereof include a method of discharging using a gas such as compressed air, nitrogen, and carbon dioxide, and a method of discharging a compound using a low boiling point compound together with the composition by its vaporization pressure.
- a foaming agent as the component (C) can be used as part or all of the low boiling point compound used in the present invention.
- the first method is to pressurize each mixed component after or at the same time as the liquid is fed, mix inside or outside the mixing device, and inject using a spray gun or other force or nozzle.
- the mixing method include collision mixing, that is, a method in which components to be mixed under pressure are caused to collide with each other to improve the mixing state.
- collision mixing that is, a method in which components to be mixed under pressure are caused to collide with each other to improve the mixing state.
- it is effective to put a stir bar inside the spray gun to further improve the mixing property.
- each component is filled in a container, and the inside of the container is pressurized, whereby the mixed component is ejected from a conduit, mixed by a static mixer or a mechanical mixing device, and sprayed. Or a method of discharging.
- a so-called aerosol method such as a method of filling a container with a mixed component containing a low-boiling compound or a method of pressurizing the inside of the container using a gas such as compressed air, nitrogen, or carbon dioxide gas, is used. Is mentioned.
- the third method is to mix two or more divided components in a shakeable container and then mix by shaking, or in a flexible and deformable container and then mix
- This is a method in which the composition is mixed by deforming, and then the mixed composition is discharged from the container.
- each mixed component is mechanically sent to a mixing device and subjected to collision mixing and then discharged using a spray gun.
- the mixed components are sent using the pressure generated by the vaporization of low-boiling compounds, then mixed using a stick mixer and discharged from a nozzle, or made using a synthetic resin film, etc.
- a pressure method, a mixing method, or the like can be used.
- the apparatus includes a GUSMER's Provision Unit FF ZH-D-gun system, an IS ⁇ THE RM's high-pressure unit PS MZ GP gun system, BINKS Formula One Night L- 4 3P Two-Part Airless Gun System, HENNECHE ME GPF / Baby A Type System, GLAS — CRA FT Mini Probe HH System, CANNO N Product Metalling S, CARDIO system, Asahi Sunac rigid urethane foam APW, etc.
- Methylhydrogenpolysiloxane (Shin-Etsu Chemical Co., Ltd., KF-99) is placed in a drip funnel, a cooling tube connected to a three-way cock at the top, a thermometer, and a 4-cell flask connected to a mechanical stirrer. 20 g (hydrosilyl group 2.0 m 0 1), toluene 200 ml, and platinum-vinylsiloxane complex (3 wt% xylene solution) 13 mg were added. % Nitrogen gas, and heated to 70% with 11.8 g (0.1 mol) of monomethylstyrene modified at one end with a methyl group and the other end with an aryl group.
- Ethylene oxide polymer (number average molecular weight 4 (0 0) 80 g (0.2 O mol of aryl group) were added and reacted. Thereafter, toluene was distilled off, thereby obtaining methylhydridopolysiloxane (B-1) modified with a phenethyl group and a polyoxyalkylene group as a viscous liquid.
- a Nopolak type phenol resin (PSM 4261, 4) is connected to a 4-cell flask connected to a thermometer, reflux condenser, dropping funnel and mechanical stirrer.
- OH content 9.71 mmo IX g) (369 g) and acetonitrile (160 ml) manufactured by Gunei Chemical Co., Ltd. were added, and 500 g of potassium carbonate was added with stirring. .
- 520 g of aryl bromide was dripped little by little, the mixture was reacted at 55 ° C for 6 hours.
- Terminally etherified polypropylene oxide (A-2, number average molecular weight about 800)
- Terminally esterified phthalic acid / diethylene glycol copolymer (A-3, number average molecular weight 100,000)
- the platinum-vinylsiloxane complex (3% by weight xylene solution) used in Synthesis Example 1 was used as a curing catalyst.
- Both pressure vessels were connected to a static mixer via a conduit, and at the same time, the outlet valve was opened and mixed and discharged via a static mixer.
- Relative evaluations were made of the mixing properties at the time of ejection (whether or not there was mixing failure), the ejection properties (whether ejection was stable), and the size of cells after foaming and curing. With the compositions shown in Examples 1 to 23, the mixing property and the discharge property were good, and the cells of the obtained foam were small, and a good foam was obtained.
- Comparative Examples 1 to 3 when nitrogen gas or the like having a low solubility without containing the component (C) was used, the mixing property was poor and stable ejection could not be obtained.
- Comparative Example 4 when a compound having a viscosity of more than 20 Pa ⁇ s was used as the component (A), the ejection property was good, but the cells were large and the closed cell ratio was low.
- liquid A was prepared by mixing 1.5 kg of HCFC 141 b with 0.1 kg of a platinum-vinylsiloxane solution.
- Liquid B was prepared by mixing B—114.4 kg obtained in Synthesis Example 1 and HFC24.5fa4.Okg.
- the viscosities of component (A), solution A, component (B) and solution B are as follows.
- Solution A was used.
- methyl hydridopolysiloxane (K F-99) was used as solution B.
- the viscosities of component (A), solution A, component (B) and solution B are as follows.
- Liquid A was prepared by mixing 1,5.4 kg of 2,2-diarylbisphenol A and 0.1 kg of platinum-vinylsiloxane.
- Liquid B was obtained by mixing B — 1 12.0 kg obtained in Synthesis Example 1 and 4.5 kg of HFC24.5fa.
- the viscosities of component (A), solution A, component (B) and solution B are as follows.
- a polypropylene bag with a discharge port having a thin diaphragm inside was prepared, and Solution A and Solution B prepared with the composition shown in Table 5 were placed in the bag with the diaphragm separated.
- the container was deformed by hand to break the diaphragm, and the container was deformed by shaking to mix the two liquids, and then the mixture was discharged from the discharge port.
- the mixing properties at the time of ejection (the presence or absence of mixing defects) and the size of the cells after foaming and curing were compared by relative comparison.
- a foam having a good foamed state and having fine cells can be obtained by spraying or pouring. Therefore, it is suitably used for various applications such as soundproofing, heat insulation, water stoppage, airtightness, vibration suppression, protection, cushioning, and decoration.
- cushioning materials for vehicles include cushioning materials for vehicles, ceiling materials, door trim materials, floor cushion vibration damping and sound absorbing materials, car cooler insulation materials, damper air seal materials, waterproofing.
- Cushioning materials for packaging such as cushioning materials for furniture, cushioning materials for furniture, etc., filters for electric and electronic equipment, sound absorbing and insulating materials, printer sound absorbing materials, head horn ear pads, etc.
- the foamable resin composition of the present invention is made into two or more kinds of divided mixed components, and while these are mixed or mixed, foaming and curing are performed by spraying or pouring. Therefore, it is possible to easily and safely produce on-site a foam suitably used for each of the above-mentioned applications.
- the method for producing a foamable resin composition and a foam of the present invention can also be used for molding an article shape in a casting method, producing a model sample from a mold, producing decorative articles, and the like. .
Landscapes
- 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)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98951703A EP1029888A4 (en) | 1997-11-06 | 1998-11-05 | FOAMABLE RESIN COMPOSITION AND METHOD FOR PRODUCING FOAM |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9/304331 | 1997-11-06 | ||
JP30433197 | 1997-11-06 | ||
JP31196397 | 1997-11-13 | ||
JP9/311963 | 1997-11-13 | ||
JP19626398 | 1998-07-10 | ||
JP10/196263 | 1998-07-10 | ||
JP10/264533 | 1998-09-18 | ||
JP26453398 | 1998-09-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999024500A1 true WO1999024500A1 (fr) | 1999-05-20 |
Family
ID=27475801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/004989 WO1999024500A1 (fr) | 1997-11-06 | 1998-11-05 | Composition de resine expansible et procede de production de mousse |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1029888A4 (ja) |
WO (1) | WO1999024500A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008032697A1 (fr) * | 2006-09-11 | 2008-03-20 | Kaneka Corporation | Mousse et procédé pour la produire |
JP2009249560A (ja) * | 2008-04-09 | 2009-10-29 | Kaneka Corp | 触感が良好である樹脂成形体およびその製造方法 |
JP2009269993A (ja) * | 2008-05-07 | 2009-11-19 | Kaneka Corp | 変性シリコン系発泡体の製造方法 |
JP2021523284A (ja) * | 2018-07-31 | 2021-09-02 | ダウ シリコーンズ コーポレーション | 組成物、それから形成された発泡シリコーンエラストマー、および形成方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7718102B2 (en) | 1998-06-02 | 2010-05-18 | Praxair S.T. Technology, Inc. | Froth and method of producing froth |
US6514301B1 (en) | 1998-06-02 | 2003-02-04 | Peripheral Products Inc. | Foam semiconductor polishing belts and pads |
US20100160587A1 (en) * | 2007-04-26 | 2010-06-24 | Akihiro Yoshida | Thermosetting resin composition and optical member using cured product of the thermosetting resin composition |
KR101963566B1 (ko) | 2012-11-07 | 2019-03-29 | 다우 코닝 도레이 캄파니 리미티드 | 백금 함량이 감소된 페놀-개질된 폴리오르가노실록산, 이의 제조 방법, 및 이를 함유하는 유기 수지용 개질제 |
KR102426547B1 (ko) | 2019-09-02 | 2022-07-29 | 주식회사 엘지화학 | 코폴리카보네이트 및 이를 포함하는 폴리카보네이트 조성물 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06263989A (ja) * | 1992-12-03 | 1994-09-20 | Hercules Inc | 硬化可能な組成物 |
WO1996015194A1 (fr) * | 1994-11-15 | 1996-05-23 | Kanegafuchi Chemical Industry Co., Ltd. | Composition de resine expansible, mousse produite a partir de cette derniere et son procede de production |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1098297C (zh) * | 1996-05-15 | 2003-01-08 | 钟渊化学工业株式会社 | 固化性组合物及使用该固化性组合物的发泡体及其制造方法 |
-
1998
- 1998-11-05 EP EP98951703A patent/EP1029888A4/en not_active Withdrawn
- 1998-11-05 WO PCT/JP1998/004989 patent/WO1999024500A1/ja not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06263989A (ja) * | 1992-12-03 | 1994-09-20 | Hercules Inc | 硬化可能な組成物 |
WO1996015194A1 (fr) * | 1994-11-15 | 1996-05-23 | Kanegafuchi Chemical Industry Co., Ltd. | Composition de resine expansible, mousse produite a partir de cette derniere et son procede de production |
Non-Patent Citations (1)
Title |
---|
See also references of EP1029888A4 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008032697A1 (fr) * | 2006-09-11 | 2008-03-20 | Kaneka Corporation | Mousse et procédé pour la produire |
JP5428338B2 (ja) * | 2006-09-11 | 2014-02-26 | 株式会社カネカ | 発泡体およびその製造方法 |
JP2009249560A (ja) * | 2008-04-09 | 2009-10-29 | Kaneka Corp | 触感が良好である樹脂成形体およびその製造方法 |
JP2009269993A (ja) * | 2008-05-07 | 2009-11-19 | Kaneka Corp | 変性シリコン系発泡体の製造方法 |
JP2021523284A (ja) * | 2018-07-31 | 2021-09-02 | ダウ シリコーンズ コーポレーション | 組成物、それから形成された発泡シリコーンエラストマー、および形成方法 |
US11339266B2 (en) | 2018-07-31 | 2022-05-24 | Dow Silicones Corporation | Composition, foamed silicone elastomer formed therefrom, and methods of formation |
Also Published As
Publication number | Publication date |
---|---|
EP1029888A1 (en) | 2000-08-23 |
EP1029888A4 (en) | 2001-07-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2380692T3 (es) | Estabilizadores de silicona para espumas rígidas de poliuretano o de poli-isocianurato ignifugantes | |
ES2433722T3 (es) | Composiciones y uso de una composición formadora de espuma cis-1,1,1,4,4,4-hexafluoro-2-buteno en la preparación de espumas a base de poliisocianato | |
JP2017155241A (ja) | ヒドロクロロフルオロオレフィンの発泡剤組成物 | |
WO1996015194A1 (fr) | Composition de resine expansible, mousse produite a partir de cette derniere et son procede de production | |
KR20160113128A (ko) | 극저온 절연 폼 | |
WO1997043333A1 (fr) | Composition durcissable, mousse fabriquee au moyen de cette composition et son procede de preparation | |
KR20180026814A (ko) | 고난연 폴리우레탄 스프레이 폼 조성물 및 이를 포함하는 단열재 | |
JPH0613618B2 (ja) | 発ぽう性ポリオルガノシロキサン組成物 | |
JP2019518855A (ja) | 硬質ポリウレタンフォームまたは硬質ポリイソシアヌレートフォームの製造に適した組成物 | |
WO1999024500A1 (fr) | Composition de resine expansible et procede de production de mousse | |
WO1999024509A1 (fr) | Durcisseur, composition reticulable et composition de resine expansible contenant toutes deux ledit durcisseur, mousse fabriquee a partir de ladite composition de resine expansible et procede de fabrication correspondant | |
CA3120512A1 (en) | Rigid polyurethane foams comprising a siloxane rich nucleating agent | |
JP3600884B2 (ja) | 発泡性樹脂組成物、及びこれを用いた発泡体とその製造方法 | |
ES2931461T3 (es) | Una formulación de espuma de poliuretano rígida y espuma fabricada a partir de la misma | |
US20120135172A1 (en) | Acrylate terminated urethane and polyester oligomers | |
JP2000080192A (ja) | 発泡性樹脂組成物 | |
JP3831834B2 (ja) | 硬化剤、該硬化剤を用いた硬化性組成物及び発泡性樹脂組成物、及び該発泡性樹脂組成物を用いた発泡体とその製造方法 | |
JP2000026647A (ja) | 発泡体の製造方法 | |
CN112029134B (zh) | 含有碳酸二烷基酯和醇胺盐的聚氨酯复合发泡剂 | |
JPH09143240A (ja) | 硬質ポリウレタンフォームの製造法 | |
JP2000026638A (ja) | 発泡性樹脂組成物および発泡体の製造方法 | |
JP4001245B2 (ja) | 硬化性組成物、及びこれを用いた発泡体とその製造方法 | |
EP2083040B1 (en) | One component unsaturated polyester foams | |
WO2022193160A1 (en) | Composition for preparing foam, methods associated therewith, and foam formed therefrom | |
CA2253142A1 (en) | Foamable silicone composition |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CA CN JP NO 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 |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1998951703 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1998951703 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: CA |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1998951703 Country of ref document: EP |