WO2012020560A1 - 硬化性組成物 - Google Patents
硬化性組成物 Download PDFInfo
- Publication number
- WO2012020560A1 WO2012020560A1 PCT/JP2011/004464 JP2011004464W WO2012020560A1 WO 2012020560 A1 WO2012020560 A1 WO 2012020560A1 JP 2011004464 W JP2011004464 W JP 2011004464W WO 2012020560 A1 WO2012020560 A1 WO 2012020560A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- polymer
- weight
- curable composition
- reactive silicon
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/02—Polyalkylene oxides
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/336—Polymers modified by chemical after-treatment with organic compounds containing silicon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L43/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium or a metal; Compositions of derivatives of such polymers
- C08L43/04—Homopolymers or copolymers of monomers containing silicon
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J143/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Adhesives based on derivatives of such polymers
- C09J143/04—Homopolymers or copolymers of monomers containing silicon
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J171/00—Adhesives based on polyethers obtained by reactions forming an ether link in the main chain; Adhesives based on derivatives of such polymers
- C09J171/02—Polyalkylene oxides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
- C09K2200/0615—Macromolecular organic compounds, e.g. prepolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09K2200/0625—Polyacrylic esters or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
- C09K2200/0645—Macromolecular organic compounds, e.g. prepolymers obtained otherwise than by reactions involving carbon-to-carbon unsaturated bonds
- C09K2200/0657—Polyethers
Definitions
- an organic heavy group having a hydroxyl group or a hydrolyzable group bonded to a silicon atom and having a silicon group capable of forming a crosslink by forming a siloxane bond hereinafter also referred to as “reactive silicon group”.
- the present invention relates to a curable composition comprising a coalescence and an organic polymer thereof.
- An organic polymer having at least one reactive silicon in the molecule is crosslinked at room temperature by forming a siloxane bond accompanied by a hydrolysis reaction of a silyl group due to moisture or the like, thereby obtaining a rubber-like cured product. It is known to have
- polymers having an alkyl dialkoxysilyl group are known to give excellent cured products that are flexible and tough, and are widely used in applications such as sealants, adhesives, and coating agents.
- the curable composition containing this organic polymer is usually cured using a condensation catalyst such as a dibutyltin compound.
- a condensation catalyst such as a dibutyltin compound.
- a method such as increasing the amount of the condensation catalyst is common.
- organotin compounds has been pointed out, and caution is required for their use from the viewpoint of environmental safety.
- a polymer having trialkoxysilyl groups at both ends can be obtained with high curability, but the resulting cured product is known to be hard and brittle. Further, when used as a contact-type adhesive, there is a problem that the crosslink density becomes too high during the curing, and the sticky expression time, that is, the so-called pasting time cannot be made long.
- Patent Document 1 a curable composition having a high curing rate can be obtained even if the terminal is a dialkoxysilyl group (Patent Document 1) ( Patent Document 2).
- Patent Document 2 the hardened
- the present invention even when a non-organotin-based condensation catalyst is used, it has excellent elongation properties and fast curability, and when used as a contact-type adhesive, it has a long adhesive duration curable composition
- the purpose is to provide goods.
- an organic polymer (A) having a reactive silicon group having a specific structure a reactive silicon group-containing polyether polymer (B) and / or Alternatively, by using the reactive silicon group-containing (meth) acrylic polymer (C), it is possible to achieve both excellent elongation property and initial adhesive performance without impairing the fast curability of the polymer (A). As a result, the present invention has been completed.
- R 1 is a hydrocarbon group having 1 to 20 carbon atoms, and at least one hydrogen atom on the 1st to 3rd carbon atoms is halogen, —OR 3 , —NR 4 R 5 , —N ⁇ R 6 , —SR 7
- R 3 , R 4 , R 5 , R 7 are each a hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, and R 6 is from 1 carbon atom.
- R 20 is a divalent substituted or unsubstituted hydrocarbon group of 20), a perfluoroalkyl group having 1 to 20 carbon atoms, or a group substituted with a cyano group, and R 2 is a hydrocarbon having 1 to 20 carbon atoms.
- the .W showing the water-decomposable group -O-R 8 -, - O -CO-N (R 9) -, - N (R 9) -CO-O -, - N (R 9) -CO-N (R 9 ) — represents a bonding group selected from —S—CO—NH—, —NH—CO—S—, —S—, and R 8 represents a divalent hydrocarbon group having 1 to 8 carbon atoms.
- V represents a divalent hydrocarbon group having 2 to 8 carbon atoms, and d represents 0, 1, or 2.
- R 2 For each of X, when there are a plurality of them, they may be the same or different.) —Z— (CH 2 ) n —SiR 1 a R 2 b X c (3) (In the formula, R 1 , R 2 and X are the same as those in the general formula (1).
- Z is —CO—O—, —O—CO—N (R 9 ) —, —N (R 9 ) —CO—O—, —N (R 9 ) —CO—N (R 9 ) —, — A linking group selected from S—CO—NH—, —NH—CO—S—, and —S— is shown, and R 9 is the same as in the general formula (1).
- R 1 , R 2 and X When a plurality of R 1 , R 2 and X are present, they may be the same or different.
- R 1 in the general formula (1) is an organic group represented by the following general formula (4): -CR 10 3-e Y e (4)
- Y is halogen, —OR 3 , —NR 4 R 5 , —N ⁇ R 6 , —SR 7 (R 3 , R 4 , R 5 , R 7 are each a hydrogen atom or 1 to 20 carbon atoms.
- R 6 is a divalent substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms), a perfluoroalkyl group having 1 to 20 carbon atoms, or a cyano group
- R 10 represents a hydrogen atom or an alkyl group having 1 to 19 carbon atoms, e represents 1, 2 or 3.
- the reactive silicon group-containing polyether polymer (A) of the present invention, the reactive silicon group-containing polyether polymer (B) and / or the reactive silicon group-containing (meth) acrylic polymer are contained.
- the curable composition has excellent stretch properties and fast curability, and is excellent in initial adhesive performance.
- the reactive silicon group-containing polyether polymer (A) of the present invention is an organic polymer having a reactive silicon group represented by the following general formula (1).
- R 1 is a hydrocarbon group having 1 to 20 carbon atoms, and at least one hydrogen atom on the 1st to 3rd carbon atoms is halogen, —OR 3 , —NR 4 R 5 , —N ⁇ R 6 , —SR 7 (R 3 , R 4 , R 5 , R 7 are each a hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, and R 6 is from 1 carbon atom.
- R 20 is a divalent substituted or unsubstituted hydrocarbon group of 20.), a perfluoroalkyl group having 1 to 20 carbon atoms, or a group substituted with a cyano group
- R 2 is a hydrocarbon having 1 to 20 carbon atoms
- the .W showing the water-decomposable group -O-R 8 -, - O -CO-N (R 9) -, - N (R 9) -CO-O -, - N (R 9) -CO-N (R 9 ) — represents a bonding group selected from —S—CO—NH—, —
- W is other than —O—R 8 —, a is 0, 1 or 2
- b is 0, 1 or 2
- c is 1, 2 or 3, satisfies .
- R 1 to be a + b + c 3, R 2, X, W, for each of R 9, when they are more present, they may be the same or different. .
- the substituent bonded to the silicon atom includes a hydrolyzable group or a hydroxyl group, and at least one hydrogen atom on the 1st to 3rd carbon atoms is halogen, —OR 3 , — NR 4 R 5 , —N ⁇ R 6 , —SR 7 (R 3 , R 4 , R 5 , R 7 are each a hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, R 6 is It is a divalent substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms.), A perfluoroalkyl group having 1 to 20 carbon atoms, and a hydrocarbon group substituted with a cyano group are essential.
- the polyether polymer (A) of the present invention has a reactive silicon group represented by the general formula (1), thereby having a reactive silicon group having an unsubstituted hydrocarbon group such as a methyl group (for example, dimethoxy). Compared with an organic polymer having a methylsilyl group or the like), it exhibits fast curability.
- R 1 in the general formula (1) is a substituent represented by the following general formula (4) because higher curability is exhibited.
- Y is halogen, —OR 3 , —NR 4 R 5 , —N ⁇ R 6 , —SR 7 (R 3 , R 4 , R 5 , R 7 are each a hydrogen atom or a group having 1 carbon atom) 20 substituted or unsubstituted hydrocarbon groups
- R 6 is a divalent substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms
- R 10 represents a hydrogen atom or an alkyl group having 1 to 19 carbon atoms
- e represents 1, 2 or 3.
- the substituent represented by General formula (4) is 1 type of R ⁇ 1 > in General formula (1), and has shown the hydrocarbon group which has a hetero atom in 1st position.
- the total number of carbon atoms of the two R 10 is preferably 0 to 19.
- Y in the general formula (4) is not particularly limited.
- halogen oxygen-based substituents such as alkoxy groups and acyloxy groups
- nitrogen-based substituents such as amino groups, alkylamino groups, and ureido groups
- cyano groups A perfluoroalkyl group and the like.
- halogen such as fluorine, chlorine, bromine and iodine
- Alkoxy groups such as lauryloxy group, phenoxy group and benzyloxy group
- acyloxy groups such as acetoxy group, propanoyloxy group and benzoyloxy group
- An acyl group a methoxycarbonyl group alkoxycarbonyl group such as tert-butyloxycarbonyl group; nitro group; cyano group; isocyanato group; sulfonyl group such as methylsulfonyl group and toluenesulfonyl group; trifluoromethyl group, pentafluoroethyl group, perfluoropropyl group, perfluorohexyl group And perfluoroalkyl groups such as perfluorooctyl group; electron-withdrawing aryl groups such as difluorophenyl group and pentafluorophenyl group.
- halogens, alkoxy groups, substituted or unsubstituted amino groups, and trifluoromethyl groups are preferred because the resulting polymer exhibits high curability, and halogens, alkoxy groups, substituted or unsubstituted amino groups are preferred. More preferred are halogen and alkoxy groups.
- chlorine and methoxy groups are preferable because they exhibit high curability by the curing catalyst for amine compounds.
- a dialkylamino group is preferred because it exhibits higher curability when a curing catalyst such as carboxylic acids is used.
- R 1 in the general formula (1) is not particularly limited, and examples thereof include a fluoromethyl group, a difluoromethyl group, a trifluoromethyl group, a 3,3,3-trifluoropropyl group, a chloromethyl group, and a dichloromethyl group.
- X in the general formula (1) represents a hydroxyl group or a hydrolyzable group.
- the hydrolyzable group is not particularly limited, and examples thereof include known hydrolyzable groups.
- hydrogen, halogen, alkoxy group, acyloxy group, ketoximate group, amino group, amide group, acid amide group, aminooxy group , Mercapto group, alkenyloxy group and the like are preferable.
- An alkoxy group such as a group is more preferable, and a methoxy group and an ethoxy group are particularly preferable.
- the reactive silicon group represented by the general formula (1) preferably has two hydrolyzable groups and two hydroxyl groups because it is easy to obtain fast curability.
- R 2 in the general formula (1) is not particularly limited and is, for example, an alkyl group such as a methyl group or an ethyl group; a cycloalkyl group such as a cyclohexyl group; an aryl group such as a phenyl group; an aralkyl group such as a benzyl group; Of these, a methyl group is particularly preferred.
- the reactive silicon group in the general formula (1) is not particularly limited.
- (chloromethyl) methoxymethylsilyl group bis (chloromethyl) methoxysilyl group, (chloromethyl) dimethoxysilyl group, (chloromethyl) ) Diethoxysilyl group, (dichloromethyl) dimethoxysilyl group, (1-chloroethyl) dimethoxysilyl group, (1-chloropropyl) dimethoxysilyl group, (methoxymethyl) dimethoxysilyl group, (1-methoxyethyl) dimethoxysilyl group , (Methoxymethyl) diethoxysilyl group, (ethoxymethyl) dimethoxysilyl group, (ethoxymethyl) diethoxysilyl group, (aminomethyl) dimethoxysilyl group, (dimethylaminomethyl) dimethoxysilyl group, (diethylaminomethyl) dimethoxy
- (chloromethyl) dimethoxysilyl group, (methoxymethyl) dimethoxysilyl group, (methoxymethyl) diethoxysilyl group, (diethylaminomethyl) diethoxysilyl group, (1- (3,3,3-tri Fluoro) propyl) dimethoxysilyl group is preferred because it is easy to synthesize, and (chloromethyl) dimethoxysilyl group, (methoxymethyl) dimethoxysilyl group, and (diethylaminomethyl) diethoxysilyl group are more cured. It is more preferable because it is obtained, and (chloromethyl) dimethoxysilyl group and (methoxymethyl) dimethoxysilyl group are particularly preferable.
- R 8 When the bonding group W is —O—R 8 —, specific examples of R 8 include, for example, —CH 2 —, —CH 2 CH 2 —, —CH 2 CH 2 CH 2 —, —CH 2. Examples thereof include a divalent linking group comprising a hydrocarbon group such as CH 2 CH 2 CH 2 —.
- the bonding group W in the general formula (1) is not —O—R 8 —.
- the polymer terminal of the polyether polymer (A) and the silicon atom of the reactive silicon are bonded through a bonding group represented by the following general formula (5), that is, in the general formula (1) It is essential that —W—CH 2 — is represented by the following general formula (5).
- Such a polyether polymer (A) of the present invention into which a specific bonding group is introduced is a polymer terminal of an organic polymer through a hydrocarbon group in which the silicon atom of reactive silicon has 2 or more carbon atoms. Compared with an organic polymer bonded to the polymer, it exhibits fast curability.
- the bonding group —W—CH 2 — in the general formula (1) becomes —W 1 —CH 2 —, for example, a hydroxyl group terminal, an isocyanate group terminal, a thiol group terminal, or an amino group terminal.
- an isocyanate polymer such as 1-isocyanatomethyl-trimethoxysilane, 1-isocyanatemethyl-triethoxysilane, 1-isocyanatemethyl-dimethoxymethylsilane, 1-isocyanatemethyl-diethoxymethylsilane This is a case where a silane compound having a group and a hydrolyzable group is reacted.
- the specific structure of the group represented by —SiR 1 a R 2 b X c in the general formula (1) is, for example, ( (Chloromethyl) methoxymethylsilyl group, bis (chloromethyl) methoxysilyl group, (chloromethyl) dimethoxysilyl group, (chloromethyl) diethoxysilyl group, (dichloromethyl) dimethoxysilyl group, (chloroethyl) dimethoxysilyl group, (Chloropropyl) dimethoxysilyl group, (methoxymethyl) dimethoxysilyl group, (methoxymethyl) diethoxysilyl group, (ethoxymethyl) dimethoxysilyl group, (aminomethyl) dimethoxysilyl group, (dimethylaminomethyl) dimethoxysilyl group, (Diethylaminomethyl) dim
- methyldimethoxysilyl group, methyldiethoxysilyl group, trimethoxysilyl group, and triethoxysilyl group are more preferable from the viewpoint of availability of silane compounds having isocyanate methyl groups and hydrolyzable groups as raw materials. preferable.
- the main chain structure of the reactive silicon group-containing polyether polymer (A) of the present invention is not particularly limited, and those having a main chain structure having an ether bond can be used.
- main chain structure having an ether bond examples include polyoxyethylene, polyoxypropylene, polyoxybutylene, polyoxytetramethylene, polyoxyethylene-polyoxypropylene copolymer, polyoxypropylene-polyoxybutylene.
- Polyoxyalkylene polymers such as copolymers; polyester polymers obtained by condensation of dibasic acids such as adipic acid and glycols or ring-opening polymerization of lactones; by condensation polymerization of bisphenol A and carbonyl chloride Examples thereof include polycarbonate polymers.
- polyoxyalkylene polymers are more preferable because they have a relatively low glass transition temperature and the resulting cured product has excellent cold resistance.
- polyoxyalkylene polymers are particularly preferable because they have high moisture permeability and are excellent in deep-part curability when formed into a one-component composition, and also have excellent adhesiveness.
- the glass transition temperature of the reactive silicon group-containing polyether polymer (A) of the present invention is not particularly limited, but is preferably 20 ° C. or less, more preferably 0 ° C. or less, ⁇ A temperature of 20 ° C. or lower is particularly preferable. If the glass transition temperature exceeds 20 ° C., the viscosity in winter or in a cold region may increase and workability may deteriorate, and the flexibility of the cured product may decrease and elongation may decrease.
- the glass transition temperature is a value obtained by DSC measurement.
- the polyoxyalkylene polymer is a polymer having a repeating unit represented by —R 11 —O— (wherein R 11 is a linear or branched alkylene group having 1 to 14 carbon atoms), and R 11 is more preferably a linear or branched alkylene group having 2 to 4 carbon atoms.
- R 11 is a linear or branched alkylene group having 1 to 14 carbon atoms
- R 11 is more preferably a linear or branched alkylene group having 2 to 4 carbon atoms.
- Specific examples of the repeating unit represented by —R 11 —O— include —CH 2 O—, —CH 2 CH 2 O—, —CH 2 CH (CH 3 ) O—, —CH 2 CH (C 2 H 5 ) O—, —CH 2 C (CH 3 ) (CH 3 ) O—, —CH 2 CH 2 CH 2 CH 2 O—, and the like.
- the main chain structure of the polyoxyalkylene polymer may consist of only one type of repeating unit, or may consist of two or more types of repeating units.
- the main chain structure of the polyoxyalkylene polymer has a repeating unit of oxypropylene of 50% by weight or more, preferably 80% by weight or more of the polymer main chain structure, particularly when used in sealants, adhesives and the like.
- a polyoxypropylene polymer is preferred because it is amorphous and has a relatively low viscosity.
- the main chain structure of the polyether polymer (A) is not particularly limited, but a linear polymer is preferable because it has excellent adhesive performance at the initial stage of curing, and a branched polymer is easy to obtain fast curability. Therefore, it is preferable.
- the number of branched chains is preferably 1 to 6 (that is, the number of terminal hydroxyl groups is 3 to 8), and the number of branched chains is preferably 1 to 4 (that is, the number of terminal hydroxyl groups is 3 to 6).
- the number of branched chains is 1 (that is, the number of terminal hydroxyl groups is 3).
- the polyoxyalkylene polymer is preferably obtained by a ring-opening polymerization reaction of a cyclic ether compound using a polymerization catalyst in the presence of an initiator.
- cyclic ether compound examples include ethylene oxide, propylene oxide, butylene oxide, tetramethylene oxide, and tetrahydrofuran. These cyclic ether compounds may be used alone or in combination of two or more. Among these cyclic ether compounds, it is particularly preferable to use propylene oxide because an amorphous and relatively low viscosity polyether polymer can be obtained.
- the initiator include ethylene glycol, propylene glycol, butanediol, hexamethylene glycol, neopentyl glycol, diethylene glycol, dipropylene glycol, triethylene glycol, glycerin, trimethylolmethane, trimethylolpropane, pentaerythritol,
- examples include alcohols such as sorbitol; polyoxyalkylene polymers such as polyoxypropylene diol, polyoxypropylene triol, polyoxyethylene diol, and polyoxyethylene triol having a number average molecular weight of 300 to 4,000. .
- the main chain structure of the reactive silicon group-containing polyether polymer (A) of the present invention is not limited to other structures such as a urethane bond and a urea bond as long as the effects of the present invention are not significantly impaired.
- a polyoxyalkylene polymer containing a binding component may be used. Specific examples of such polymers include polyurethane prepolymers.
- the polyurethane prepolymer can be obtained by a known method. For example, it can be obtained by reacting a polyol compound and a polyisocyanate compound.
- polyol compound examples include polyether polyol, polyester polyol, polycarbonate polyol, and polyether polyester polyol.
- polyisocyanate compound examples include diphenylmethane diisocyanate, tolylene diisocyanate, xylylene diisocyanate, methylene-bis (cyclohexyl isocyanate), isophorone diisocyanate, hexamethylene diisocyanate, and the like.
- the polyurethane prepolymer may have either a hydroxyl group or an isocyanate group at the end.
- cured material obtained from the curable composition using the polymer which has a urethane bond, a urea bond, and / or an ester bond in the principal chain structure of the reactive silicon group containing polyether polymer (A) of this invention The main chain may be cleaved at the urethane bond, urea bond, and / or ester bond portion due to heat or the like, and the strength of the cured product may be significantly reduced.
- an amide bond (—NR 12 —C ( ⁇ O) —; R 12 represents a hydrogen atom or a substituted or unsubstituted organic group.
- R 12 represents a hydrogen atom or a substituted or unsubstituted organic group.
- the average number of amide bonds is 1 to 10, preferably 1.5 to 5, more preferably 2 to 3, per molecule.
- the number is less than 1, the curability may not be sufficient.
- the polymer may have a high viscosity and may be difficult to handle.
- the main chain structure of the reactive silicon group-containing polyether polymer (A) of the present invention is obtained from the point of obtaining a curable composition excellent in storage stability and workability.
- a polyoxyalkylene polymer that does not contain a linking group such as a urethane bond, a urea bond, an amide bond, or an ester bond is most preferable.
- the reactive silicon group-containing polyether polymer (A) of the present invention is preferably obtained by the following methods (a) to (c).
- (A) After converting the terminal hydroxyl group of the hydroxyl-terminated polymer to an unsaturated group such as an allyl group, a silane compound represented by HSiR 1 n R 2 o X p (n is 1 or 2, and o is 0 or 1 And p is 1 or 2, and the condition that n + o + p 3 is satisfied, and R 1 , R 2 , and X are the same as those described in the general formula (1)) and contain a reactive silicon group Polyether polymer.
- the polymer obtained by the method (a) or (b) is preferred because it has a lower viscosity than the reactive silicon-containing organic polymer obtained by the method (c).
- the method (c) is preferable because a high silyl group introduction rate can be achieved in a relatively short time.
- the molecular weight distribution (Mw / Mn) of the reactive silicon group-containing polyether polymer (A) is preferably 1.6 or less, more preferably 1.5 or less, and particularly preferably 1.4 or less.
- the number average molecular weight of the reactive silicon group-containing polyether polymer (A) is preferably 3,000 or more, more preferably 5,000 or more, and particularly preferably 8,000 or more in terms of polystyrene by GPC. .
- the upper limit is preferably 100,000 or less, more preferably 50,000 or less, and particularly preferably 35,000 or less.
- the reactive silicon group-containing polyether polymer (A) When the number average molecular weight is less than 3,000, the elongation property at break of the cured product of the resulting reactive silicon group-containing polyether polymer (A) is lowered, and when it exceeds 100,000, the reactive silicon group concentration is It tends to be too low and the curing rate is slow. Further, the reactive silicon group-containing polyether polymer (A) tends to be too viscous to be handled.
- the number of reactive silicon groups in the reactive silicon group-containing polyether polymer (A) is 50% or more, more preferably 60% or more, and more preferably 60% or more. ⁇ 85% is particularly preferred.
- the number of molecular end groups per molecule is preferably 2 to 8, more preferably 2 to 4, and particularly preferably 2 or 3.
- the average number of reactive silicon groups in one molecule is preferably 1 to 7, more preferably 1 to 3.4, and particularly preferably 1 to 2.6.
- the reactive silicon group may be present at either the end of the main chain of the molecular chain of the organic polymer, the end of the side chain, or both.
- the reactive silicon group when the reactive silicon group is at the end of the main chain of the molecular chain, the molecular weight between the cross-linking points becomes long, so that it is easy to obtain a rubber-like cured product having high strength, high elongation, and low elastic modulus. To preferred.
- the average number of reactive silicon groups in the reactive silicon group-containing polyether polymer (A) is determined by a method of quantifying protons on carbon directly bonded with reactive silicon groups by high-resolution 1 H-NMR measurement. It is defined as the average number obtained.
- the reaction is performed with respect to the polyether polymer precursor before the introduction of the reactive silicon group.
- a reactive silicon group When a reactive silicon group is introduced, a polyether polymer precursor in which no reactive silicon group is introduced and a modified polymer of a polyether polymer precursor in which no by-product reactive silicon group is introduced As a part of the component of the reactive silicon group-containing polyether polymer (A) having the same main chain structure, the parameter (numerator for calculating the average number of reactive silicon groups in one molecule Number) and calculate.
- the reactive silicon group-containing polyether polymer (B) of the present invention is particularly limited as long as it is an organic polymer having a reactive silicon group represented by the following general formula (2) at the molecular chain terminal.
- R 2 and X are the same as those in the general formula (1).
- V represents a divalent hydrocarbon group having 2 to 8 carbon atoms, and d represents 0, 1, or 2.
- R 2 For each of X, when they are present, they may be the same or different.
- X in the general formula (2) represents a hydroxyl group or a hydrolyzable group. It does not specifically limit as a hydrolysable group, A well-known hydrolysable group is mention
- the number of X is preferably 2 from the viewpoint of curability, and is preferably 3 because the initial tackiness and the obtained cured product exhibit good rubber elasticity.
- R 2 in the general formula (2) is not particularly limited, and may be the same as those described in the general formula (1), and a methyl group is particularly preferable.
- bonding group V in the general formula (2) include hydrocarbon groups such as —CH 2 CH 2 —, —CH 2 CH 2 CH 2 —, —CH 2 CH 2 CH 2 CH 2 — and the like. And a divalent linking group.
- Specific examples of the group represented by —SiR 2 d X 3-d in the general formula (2) include a trimethoxysilyl group, a triethoxysilyl group, a triisopropoxysilyl group, a dimethoxymethylsilyl group, and a diethoxymethylsilyl group.
- a trimethoxysilyl group, a triethoxysilyl group, and a dimethoxymethylsilyl group are more preferable, and a trimethoxysilyl group is particularly preferable because of high activity and good curability.
- a dimethoxymethylsilyl group is particularly preferable from the viewpoint of exhibiting good initial tackiness and good tensile properties.
- the alcohol produced with the hydrolysis reaction of the reactive silicon group is ethanol, which is preferable from the viewpoint of safety.
- the main chain structure of the reactive silicon group-containing polyether polymer (B) of the present invention is not particularly limited, and the one having the same structure as the reactive silicon group-containing polyether polymer (A) is used. can do.
- a main chain structure derived from polyoxypropylene diol and / or polyoxypropylene triol is preferable, and a main chain structure derived from polyoxypropylene diol is more preferable.
- the reactive silicon group-containing polyether polymer (B) of the present invention is preferably obtained by the following method (d).
- (D) After converting the terminal hydroxyl group of the hydroxyl-terminated polyoxyalkylene polymer to an unsaturated group such as an allyl group, a silane compound represented by HSiR 2 d X 3-d (R 2 , X, and d are each represented by the general formula (Same as described in (2)).
- a reactive silicon group-containing polyether polymer obtained by reacting.
- the molecular weight distribution (Mw / Mn) of the reactive silicon group-containing polyether polymer (B) is preferably 1.6 or less, more preferably 1.5 or less, and particularly preferably 1.4 or less.
- the reactive silicon group-containing polyether polymer (B) may be used alone or in combination of two or more.
- the number average molecular weight of the reactive silicon group-containing polyether polymer (B) is in terms of polystyrene as measured by GPC, and the lower limit is preferably 3,000 or more, more preferably 5,000 or more, and 8,000 or more. Particularly preferred.
- the upper limit is preferably 100,000 or less, more preferably 50,000 or less, and particularly preferably 35,000 or less. When the number average molecular weight is less than 3,000, the elongation characteristics at break of the obtained cured product are lowered, and when it exceeds 100,000, the reactive silicon group concentration tends to be too low and the curing rate tends to be slow. Also, the reactive silicon group-containing polyether polymer (B) tends to be too viscous to be handled.
- the molecular weight of the polymer (A) is more than the molecular weight of the polymer (B). Larger is preferred.
- the polymer (A) reacts in the early stage of curing and plays a role of developing tackiness. At this time, a higher molecular weight is preferable because the speed of developing tackiness is high and the strength tends to increase.
- the polymer (B) plays a role of lowering the viscosity of the composition and curing after the polymer (A) to increase the final strength of the adhesive. Therefore, the molecular weight of the polymer (B) needs to be lower than that of the polymer (A), and it is preferable that the number average molecular weight is 5000 or more.
- the reactive silicon group-containing polyether polymer (B) is a mixture of a polymer (b1) having a molecular weight of 8000 or more and a polymer (b2) having a molecular weight of less than 8000, and the viscosity before curing and the curing It is most preferable because the physical property balance later tends to be excellent (the elongation and strength of the cured product increase).
- a polymer (b1) having a molecular weight of 8000 or more and a polymer (b2) having a molecular weight of less than 8000 are used, the appearance is calculated by regarding the mixture of the polymer (b1) and the polymer (b2) as one polymer. Is defined as the number average molecular weight of the polymer (B).
- the reactive silicon group introduction ratio (silylation rate) of the reactive silicon group-containing polyether polymer (B) is averaged per molecule, and the total molecular terminal It is larger than 50% of the group, more preferably 60% or more, particularly preferably 60 to 85%.
- the average number of reactive silicon groups in one molecule is preferably 1 to 7, more preferably 1 to 3.4, and particularly preferably 1 to 2.6.
- the main chain structure of the reactive silicon group-containing polyether polymer (B) is preferably a linear structure or a branched structure having 1 to 6 branches, and the linear or branched number is 1 to 6. Two branched structures are more preferable, and a linear or branched structure having one branch is particularly preferable. When the number of terminals having reactive silicon groups bonded in one molecule increases, the crosslink density increases and it becomes difficult to obtain good elongation properties.
- the reactive silicon group may be present at either the end of the main chain of the molecular chain of the organic polymer, the end of the side chain, or both.
- the reactive silicon group when the reactive silicon group is at the end of the main chain of the molecular chain, the molecular weight between the cross-linking points becomes long, so that it is easy to obtain a rubber-like cured product having high strength, high elongation, and low elastic modulus. To preferred.
- the mixing ratio of the reactive silicon group-containing polyether polymer (B) is not particularly limited, but when used for a sealing material or an adhesive, the lower limit is 10 parts per 100 parts by weight of the polymer (A). Part by weight or more is preferable, 100 parts by weight or more is more preferable, and 150 parts by weight or more is particularly preferable.
- the upper limit is preferably 1000 parts by weight or less, more preferably 950 parts by weight or less, still more preferably 900 parts by weight or less, and particularly preferably 700 parts by weight or less and 400 parts by weight or less.
- the lower limit is preferably 100 parts by weight or more and more preferably 150 parts by weight or more with respect to 100 parts by weight of the polymer (A).
- the upper limit is preferably 900 parts by weight or less, more preferably 600 parts by weight or less, and particularly preferably 500 parts by weight or less.
- the reactive silicon group-containing (meth) acrylic polymer (C) of the present invention is a (meth) acrylic polymer having a reactive silicon group represented by the general formula (3) at the molecular chain terminal and / or side chain. If it is, it will not specifically limit. —Z— (CH 2 ) n —SiR 1 a R 2 b X c (3) (Wherein R 1 , R 2 and X are the same as those in formula (1).
- Z represents —CO—O—, —O—CO—N (R 9 ) —, —N (R 9 ) —CO—)
- a bonding group selected from O—, —N (R 9 ) —CO—N (R 9 ) —, —S—CO—NH—, —NH—CO—S—, —S—, wherein R 9 is the same .n the general formula (1) is .a showing 1-8 0 or 1 or 2, b is 0 or 1 or 2, c is 1 or 2 or 3, .R 1 satisfying a + b + c 3 , R 2 and X, when there are a plurality of them, they may be the same or different.)
- Reactive silicon group of general formula (3) The polymer terminal of the reactive silicon group-containing (meth) acrylic polymer (C) and the silicon atom of the reactive silicon are bonded via a bonding group represented by —Z— (CH 2 ) n —. It is essential.
- Specific examples of the group represented by —SiR 1 a R 2 b X c in the general formula (3) include, for example, (chloromethyl) methoxymethylsilyl group, bis (chloromethyl) methoxysilyl group, (chloromethyl) ) Dimethoxysilyl group, (1-chloroethyl) dimethoxysilyl group, (chloromethyl) diethoxysilyl group, (dichloromethyl) dimethoxysilyl group, (1-chloropropyl) dimethoxysilyl group, (methoxymethyl) dimethoxysilyl group, ( (Methoxymethyl) diethoxysilyl group, (ethoxymethyl) dimethoxysilyl group, (aminomethyl) dimethoxysilyl group, (dimethylaminomethyl) dimethoxysilyl group, (diethylaminomethyl) dimethoxysilyl group, (diethylaminomethyl) dieth
- the methyldimethoxysilyl group, the methyldiethoxysilyl group, the trimethoxysilyl group, and the triethoxysilyl group are more preferable from the point of the availability of the silane compound used as a raw material.
- the monomer unit constituting the main chain structure of the reactive silicon group-containing (meth) acrylic polymer (C) of the present invention is not particularly limited, and one monomer (c) having a (meth) acrylic structure is used. And / or two or more are preferably used.
- the monomer (c) having a (meth) acrylic structure include, for example, methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, and isopropyl (meth) acrylate.
- N-butyl (meth) acrylate isobutyl (meth) acrylate, s-butyl (meth) acrylate, tert-butyl (meth) acrylate, neopentyl (meth) acrylate, n-hexyl (meth) acrylate , N-heptyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, nonyl (meth) acrylate, decyl (meth) acrylate, undecyl (meth) acrylate, lauryl (meth) acrylate, (meth) Tridecyl acrylate, tetradecyl (meth) acrylate, hexadecyl (meth) acrylate, (meth) acrylic (Meth) acrylic acid alkyl ester monomers such as stearyl lurate, behenyl (meth) acrylate, cyclohexyl
- monomers exhibiting copolymerizability with these may be used as long as the physical properties are not impaired.
- monomers include styrene monomers such as styrene, vinyl toluene, ⁇ -methyl styrene, chlorostyrene, and styrene sulfonic acid; fluorine-containing vinyl monomers such as perfluoroethylene, perfluoropropylene, and vinylidene fluoride; Maleic acid and its derivatives such as acid, maleic anhydride, maleic acid monoalkyl ester, maleic acid dialkyl ester; fumaric acid and its derivatives such as fumaric acid, fumaric acid monoalkyl ester, fumaric acid dialkyl ester; maleimide, methylmaleimide, Ethyl maleimide, propyl maleimide, butyl maleimide, hexyl maleimide, octyl maleimide, dodecyl maleimide,
- the monomer unit constituting the main chain structure of the reactive silicon group-containing (meth) acrylic polymer (C) ( It is preferable to contain 50% by weight or more of the (meth) acrylic acid alkyl ester monomer, and more preferably 70% by weight or more.
- the (meth) acrylic acid alkyl ester monomer includes (meth) acrylic acid alkyl ester monomer (c1) having an alkyl group having 1 to 8 carbon atoms and (meth) acrylic acid having an alkyl group having 10 to 30 carbon atoms. It is preferable to use the alkyl ester monomer (c2) in combination.
- a combination not using the component (c2) for example, a combination of methyl (meth) acrylate, butyl (meth) acrylate and a (meth) acrylic acid alkyl ester monomer having an alkyl group having 7 to 9 carbon atoms, or A combination of a (meth) acrylic acid alkyl ester monomer having an alkyl group having 1 to 2 carbon atoms and a (meth) acrylic acid alkyl ester monomer having an alkyl group having 7 to 9 carbon atoms is a reactive silicon group-containing polyether. It is preferable from the point of compatibility with the polymer (A).
- the reactive silicon group-containing (meth) acrylic polymer (C) can be obtained by various polymerization methods, and the method is not particularly limited, but is a radical polymerization method from the viewpoint of versatility of the monomer and ease of control. Is preferred.
- Radical polymerization methods can be classified into “general radical polymerization methods” and “controlled radical polymerization methods”.
- the “general radical polymerization method” is simply a polymerization method using a polymerization initiator such as an azo compound or a peroxide, and is a simple polymerization method.
- the “controlled radical polymerization method” is a method capable of introducing a specific functional group at a controlled position such as a terminal.
- the “controlled radical polymerization method” can be further classified into a “chain transfer agent method” and a “living radical polymerization method”.
- the “chain transfer agent method” is characterized in that polymerization is carried out using a chain transfer agent having a specific functional group, and a vinyl polymer having a functional group at the terminal is obtained.
- the “living radical polymerization method” is characterized in that a polymer growth terminal grows without causing a side reaction such as a termination reaction, and a polymer having a molecular weight almost as designed can be obtained. In the present invention, any of these polymerization methods may be used.
- general radical polymerization method examples include a solution polymerization method and a bulk polymerization method in which a polymerization initiator, a chain transfer agent, a solvent and the like are added and polymerization is performed at 50 to 150 ° C.
- polymerization initiator examples include 2,2′-azobis (2-methylbutyronitrile), dimethyl 2,2′-azobis (2-methylpropionate), 2,2′-azobis (2,4- Dimethylvaleronitrile), 2,2′-azobis (4-methoxy-2,4-dimethylvaleronitrile), 2,2′-azobis [N- (2-propenyl) -2-methylpropionamide], 1,1 Azo compounds such as' -azobis (cyclohexane-1-carbonitrile); benzoyl peroxide, isobutyryl peroxide, isononanoyl peroxide, decanoyl peroxide, lauroyl peroxide, parachlorobenzoyl peroxide, di (3 , 5,5-trimethylhexanoyl) peroxides and other diacyl peroxides; Peroxydicarbonates such as propyl purge carbonate, di-sec-butyl purge carbonate, di-2-ethylhexy
- ketone peroxides such as methyl ethyl ketone peroxide and cyclohexanone peroxide; di-tert-butyl peroxide, dicumy Dialkyl peroxides such as peroxide, tert-butyl cumyl peroxide, 1,1-di (tert-hexylperoxy) -3,3,5-trimethylcyclohexane; cumene hydroxy peroxide, tert-butyl hydroperoxide, etc. Hydroperoxides; peroxides such as 1,1-di (tert-hexylperoxy) -3,3,5-trimethylcyclohexane.
- These polymerization initiators may be used alone or in combination of two or more.
- chain transfer agent examples include mercapto group-containing compounds such as n-dodecyl mercaptan, tert-dodecyl mercaptan, and lauryl mercaptan.
- a reactive silicon group is to be introduced at the molecular chain end of the (meth) acrylic polymer, for example, 3-mercaptopropyltrimethoxysilane, 3-mercaptopropylmethyldimethoxysilane, mercaptomethyltrimethoxysilane, mercapto Reactivity of methylmethyldimethoxysilane, 3-mercaptopropylchloromethyldimethoxysilane, 3-mercaptopropylmethoxymethyldimethoxysilane, 3-mercaptopropylaminomethyldimethoxysilane, 3-mercaptopropyl-N, N-dimethylaminomethyldimethoxysilane It is preferable to use a compound (c3) having a silicon group and a mercap
- the solvent examples include aromatic compounds such as toluene, xylene, styrene, ethylbenzene, paradichlorobenzene, di-2-ethylhexyl phthalate, di-n-butyl phthalate; hexane, heptane, octane, cyclohexane, methylcyclohexane, etc.
- aromatic compounds such as toluene, xylene, styrene, ethylbenzene, paradichlorobenzene, di-2-ethylhexyl phthalate, di-n-butyl phthalate; hexane, heptane, octane, cyclohexane, methylcyclohexane, etc.
- Hydrocarbon compounds such as butyl acetate, n-propyl acetate and isopropyl acetate; ketone compounds such as methyl isobutyl ketone and methyl ethyl ketone; dialkyl carbonates such as dimethyl carbonate and diethyl carbonate Compounds; alcohol compounds such as n-propanol, 2-propanol, n-butanol, 2-butanol, isobutanol, tert-butanol, amyl alcohol and the like can be mentioned.
- At least one selected from dialkyl carbonate compounds and alcohol compounds is preferable from the viewpoints of not being a guideline formulating substance for the Ministry of Health, Labor and Welfare, odor, and environmental load.
- GEV Gateshaft Emission Control Reelte Ferry Getechnik Ave
- Dimethyl carbonate, n-propanol, 2-propanol, n-butanol, 2-butanol, isobutanol, tert-butanol from the point of being able to suppress the release of all volatile organic compounds from the composition Are more preferable, and 2-propanol and isobutanol are particularly preferable.
- the “chain transfer agent method” is a polymerization method capable of quantitatively introducing a functional group to the polymer terminal as compared with the “general radical polymerization method”.
- the “living radical polymerization method” can obtain a polymer having an arbitrary molecular weight, a narrow molecular weight distribution, and a low viscosity, and a monomer having a specific functional group. It is a polymerization method that can be introduced at almost any position.
- living polymerization refers to polymerization in which the terminal always has activity and the molecular chain grows, but in general, the terminal is inactivated and the terminal is activated. It also includes pseudo-living polymerization that grows in an equilibrium state.
- the “living radical polymerization method” uses, for example, a cobalt porphyrin complex as shown in Journal of American Chemical Society (1994), Vol. 116, page 7943. J. Am. Chem. Soc. Initiators, those using nitrooxide radicals as shown in JP-A-2003-500378, organic halides and sulfonyl halides as shown in JP-A-11-130931, etc. And atom transfer radical polymerization (Atom Transfer Radical Polymerization: ATRP method) using a transition metal complex as a catalyst.
- ATRP method atom transfer radical polymerization (Atom Transfer Radical Polymerization: ATRP method) using a transition metal complex as a catalyst.
- so-called reverse atom transfer radical polymerization that is, a normal atom transfer radical polymerization catalyst as shown in Macromolecules, 1999, 32, 2872, generates radicals.
- a general radical initiator such as a peroxide is allowed to act on a high oxidation state when it is used, for example, Cu (II ′) when Cu (I) is used as a catalyst, and as a result, an atom transfer radical Polymerization methods that produce an equilibrium state similar to polymerization are also included in the atom transfer radical polymerization method.
- an acrylic polymer is prepared using a metallocene catalyst as disclosed in JP-A-2001-040037 and a thiol compound having at least one reactive silicon group in the molecule.
- a vinyl monomer as disclosed in JP-A-57-502171, JP-A-59-006207, JP-A-60-511992 using a stirred tank reactor. It is also possible to use a high-temperature continuous polymerization method in which continuous polymerization is performed.
- the method for introducing a reactive silicon group into the (meth) acrylic polymer is not particularly limited, and for example, the methods shown in the following (i) to (iv) can be used.
- a compound having a polymerizable unsaturated group and a reactive functional group for example, acrylic acid, 2-hydroxyethyl acrylate
- a reactive functional group for example, acrylic acid, 2-hydroxyethyl acrylate
- a method of reacting a compound having a functional group that reacts with a silicon group and a reactive functional group for example, an isocyanate silane compound.
- a monomer (c) having a (meth) acrylic structure is polymerized by a living radical polymerization method, and then a reactive silicon group is introduced into the molecular chain terminal.
- the method (iv) is more preferable because a polymer having an arbitrary molecular weight, a narrow molecular weight distribution, and a low viscosity can be obtained.
- Examples of the compound (c4) having a polymerizable unsaturated group and a reactive silicon group include 3- (meth) acryloxypropyltrimethoxysilane, 3- (meth) acryloxypropylmethyldimethoxysilane, 3- (meth) Acryloxypropyltriethoxysilane, ((meth) acryloxymethyl) trimethoxysilane, ((meth) acryloxymethyl) methyldimethoxysilane, (meth) acryloxymethyldimethylmethoxysilane, 3- (meth) acryloxypropylchloro Such as methyldimethoxysilane, 3- (meth) acryloxypropylmethoxymethyldimethoxysilane, 3- (meth) acryloxypropylaminomethyldimethoxysilane, 3- (meth) acryloxypropyl-N, N-dimethylaminomethyldimethoxysilane, etc.
- (Meta) Compounds having a acryloxy group and a reactive silicon group; vinyltrimethoxysilane, vinylmethyldimethoxysilane, vinyltriethoxysilane, vinylchloromethyldimethoxysilane, vinylmethoxymethyldimethoxysilane, vinylaminomethyldimethoxysilane, vinyl-N, N- Examples thereof include compounds having a vinyl group and a reactive silicon group, such as dimethylaminomethyldimethoxysilane. These compounds may be used alone or in combination of two or more.
- the number average molecular weight of the reactive silicon group-containing (meth) acrylic polymer (C) of the present invention is not particularly limited, but is a polystyrene equivalent molecular weight by GPC measurement, and the lower limit is preferably 500 or more, and 1,000 or more. More preferred.
- the upper limit is preferably 100,000 or less, more preferably 50,000 or less, and particularly preferably 30,000 or less.
- the reactive silicon group of the reactive silicon group-containing (meth) acrylic polymer (C) of the present invention may be introduced at either the molecular chain terminal or the side chain, but from the viewpoint of adhesion, the molecular chain terminal It is preferable to be introduced in both the side chain and the side chain.
- the number of reactive silicon groups is averaged per molecule, and the lower limit is preferably 0.5 or more, more preferably 0.7 or more, and particularly preferably 1.0 or more.
- the upper limit is preferably 2.0 or less, more preferably 1.9 or less, and particularly preferably 1.8 or less.
- the mixing ratio of the reactive silicon group-containing (meth) acrylic polymer (C) is not particularly limited, but when used as a sealing material or an adhesive, the reactive silicon group-containing polyether polymer (A) 100 is used.
- the lower limit is preferably 10 parts by weight or more, more preferably 20 parts by weight or more, and particularly preferably 40 parts by weight or more with respect to parts by weight.
- the upper limit is preferably 700 parts by weight or less, more preferably 500 parts by weight or less, and particularly preferably 30 parts by weight or less. If it is less than 10 parts by weight, a sufficient effect on the initial tackiness and tensile properties cannot be obtained, and if it exceeds 700 parts by weight, the viscosity tends to increase and handling tends to be difficult.
- the lower limit is preferably 5 parts by weight or more and preferably 10 parts by weight or more with respect to 100 parts by weight of the polymer (A) and the polymer (B). More preferred.
- the upper limit is preferably 200 parts by weight or less, and more preferably 100 parts by weight or less.
- a reactive silicon group-containing polyether polymer (A), a reactive silicon group-containing polyether polymer (B), and reactive silicon It is preferable to contain a group-containing (meth) acrylic polymer (C).
- the curable composition of the present invention includes a reactive silicon group-containing polyether polymer (A), a reactive silicon group-containing polyether polymer (B) and / or a reactive silicon group-containing (meth) acrylic.
- the condensation catalyst (D) may be added for the purpose of promoting the reaction of hydrolyzing and condensing the reactive silicon group of the polymer (C) to crosslink.
- the condensation catalyst is not particularly limited and may be a known catalyst.
- amine compounds and carboxylic acids are preferable because the reactive silicon group-containing polyether polymer (A) represented by the general formula (1) is cured in a very short time.
- the amine compound (d1) used as the condensation catalyst is not particularly limited, and examples thereof include methylamine, ethylamine, propylamine, isopropylamine, butylamine, amylamine, hexylamine, octylamine, 2-ethylhexylamine, nonylamine, Aliphatic primary amines such as decylamine, laurylamine, pentadecylamine, cetylamine, stearylamine, cyclohexylamine; dimethylamine, diethylamine, dipropylamine, diisopropylamine, dibutylamine, diamylamine, dihexylamine, dioctylamine, di (2-ethylhexyl) amine, didecylamine, dilaurylamine, dicetylamine, distearylamine, methylstearylamine, ethylstearylamine, Aliphatic secondary amines such as t
- amidines such as 1,2-dimethyl-1,4,5,6-tetrahydropyrimidine, DBU, DBA-DBU and DBN
- guanidines such as guanidine, phenylguanidine and diphenylguanidine
- butylbiguanide, 1 Biguanides such as -o-tolyl biguanide and 1-phenyl biguanide are preferable because they exhibit high activity, and aryl group-substituted biguanides such as 1-o-tolyl biguanide and 1-phenyl biguanide can be expected to have high adhesiveness.
- aryl group-substituted biguanides such as 1-o-tolyl biguanide and 1-phenyl biguanide can be expected to have high adhesiveness.
- aryl group-substituted biguanides such as 1-o-tolyl biguanide and 1-phenyl biguanide can be expected to have high adhesiveness. preferable.
- An amine compound is basic, but an amine compound in which the conjugate acid has a pKa value of 11 or more is preferable because of its high catalytic activity. 1,2-dimethyl-1,4,5,6-tetrahydropyrimidine , DBU, DBN and the like are particularly preferable because the pKa value of the conjugate acid is 12 or more and high catalytic activity is exhibited.
- an amino group-containing silane coupling agent (hereinafter sometimes referred to as aminosilane) may be used as the amine compound used in the condensation catalyst.
- An aminosilane is a compound having a group containing a silicon atom to which a hydrolyzable group is bonded (hereinafter sometimes referred to as a hydrolyzable silicon group) and a substituted or unsubstituted amino group.
- the substituent of the substituted amino group is not particularly limited, and examples thereof include an alkyl group, an aralkyl group, and an aryl group.
- the hydrolyzable silicon group is not particularly limited, and examples thereof include a hydrogen atom, a halogen atom, an alkoxy group, an aryloxy group, an alkenyloxy group, an acyloxy group, a ketoximate group, an amino group, an amide group, an acid amide group, An aminooxy group, a mercapto group, etc. are mention
- halogen atoms, alkoxy groups, alkenyloxy groups, and aryloxy groups are preferred because of their high activity.
- a chlorine atom and an alkoxy group are preferable because they can be easily introduced.
- Alkoxy groups such as a methoxy group and an ethoxy group are more preferable because the hydrolyzability is mild and easy to handle, and a methoxy group and an ethoxy group are particularly preferable.
- the ethoxy group and the isopropenoxy group are preferably removed from the reaction by ethanol and acetone, respectively, from the viewpoint of safety.
- the number of hydrolyzable groups bonded to silicon atoms in aminosilane is preferably 2 or more, particularly 3 or more.
- the aminosilane is not particularly limited, and examples thereof include ⁇ -aminopropyltrimethoxysilane, ⁇ -aminopropyltriethoxysilane, ⁇ -aminopropyltriisopropoxysilane, ⁇ -aminopropylmethyldimethoxysilane, and ⁇ -aminopropylmethyldisilane.
- aminosilanes having an amino group are preferable from the viewpoint of curability, and ⁇ -aminopropyltrimethoxysilane, ⁇ -aminopropyltriethoxysilane, and ⁇ -aminopropylmethyl are preferable from the viewpoint of availability. Dimethoxysilane and N- ⁇ -aminoethyl- ⁇ -aminopropyltrimethoxysilane are preferred.
- a ketimine compound that generates the amine compound by hydrolysis can be used as a condensation catalyst.
- carboxylic acids such as 2-ethylhexanoic acid, octylic acid, neodecanoic acid, oleic acid, naphthenic acid; tin carboxylate, lead carboxylate, bismuth carboxylate, carboxylic acid
- Carboxylic acid metals such as potassium, calcium carboxylate, barium carboxylate, titanium carboxylate, zirconium carboxylate, hafnium carboxylate, vanadium carboxylate, manganese carboxylate, iron carboxylate, cobalt carboxylate, nickel carboxylate, cerium carboxylate Salt: Titanium compounds such as tetrabutyl titanate, tetrapropyl titanate, titanium tetrakis (acetylacetonate), bis (acetylacetonato) diisopropoxytitanium, diisopropoxytitanium bis (ethylacetocetate) Dibutyltin
- condensation catalysts amine compounds, carboxylic acids, and dioctyltin compounds are preferred, and amine compounds are more preferred from the viewpoint of curability and environmental burden.
- the condensation catalyst may be used in combination of two or more different catalysts.
- an amine compound and an organic tin compound improves the curability. Is preferable because there is a possibility of being obtained.
- the amount of the condensation catalyst used is preferably 0.001 to 20 parts by weight, more preferably 0.01 to 15 parts by weight, based on 100 parts by weight of the reactive silicon group-containing polyether polymer (A). Particularly preferred is 0.01 to 10 parts by weight. If the amount of the condensation catalyst used is less than 0.001 part by weight, the curing rate may be insufficient, and the curing reaction may not proceed sufficiently. On the other hand, when the amount of the condensation catalyst used exceeds 20 parts by weight, the curing rate is too high, and the time that the curable composition can be used tends to be short, resulting in poor workability and poor storage stability.
- a plasticizer an adhesion promoter, a filler, a physical property modifier, a sagging inhibitor (thixotropic agent), a stabilizer, and the like can be added as necessary.
- a plasticizer can be added to the curable composition of the present invention.
- the plasticizer By adding the plasticizer, the viscosity and slump property of the curable composition and the mechanical properties such as tensile strength and elongation of the cured product obtained by curing the curable composition can be adjusted.
- plasticizer examples include dibutyl phthalate, diisononyl phthalate (DINP), diheptyl phthalate, di (2-ethylhexyl) phthalate, diisodecyl phthalate (DIDP), butyl benzyl phthalate, and the like; bis (2-ethylhexyl) ) Terephthalic acid ester compounds such as 1,4-benzenedicarboxylate (specifically, trade name: EASTMAN168 (manufactured by EASTMAN CHEMICAL)); non-phthalic acid ester compounds such as 1,2-cyclohexanedicarboxylic acid diisononyl ester ( Specifically, trade name: Hexamol DINCH (manufactured by BASF)); dioctyl adipate, dioctyl sebacate, dibutyl sebacate, diisodecyl succinate, tribute acetylcitrate Aliphatic polycarbox
- a polymeric plasticizer can be used.
- the initial physical properties can be maintained over a long period of time compared to the case where a low-molecular plasticizer that is a plasticizer that does not contain a polymer component in the molecule is used.
- the drying property (paintability) when an alkyd paint is applied to the cured product can be improved.
- polymer plasticizer examples include vinyl polymers obtained by polymerizing vinyl monomers by various methods; esters of polyalkylene glycols such as diethylene glycol dibenzoate, triethylene glycol dibenzoate, and pentaerythritol ester; Polyester plasticizers obtained from dibasic acids such as sebacic acid, adipic acid, azelaic acid and phthalic acid and dihydric alcohols such as ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol and dipropylene glycol; number average molecular weight of 500 or more Furthermore, more than 1,000 polyether polyols such as polyethylene glycol polypropylene glycol and polytetramethylene glycol, or the hydroxy group of these polyether polyols are esterified And polyethers such as derivatives converted into ether groups; polystyrenes such as polystyrene and poly- ⁇ -methylstyrene; polybutadiene, polybutene, polyisobutylene,
- reactive silicon group-containing polyether polymer (A), reactive silicon group-containing polyether polymer (B) and / or reactive silicon group-containing (meth) acrylic are preferred.
- polyethers and vinyl polymers are preferable.
- polyethers when polyethers are used as a plasticizer, the surface curability and deep part curability are improved, and the curing delay after storage does not occur.
- Polypropylene glycol is more preferred.
- a vinyl polymer is preferable from the viewpoint of compatibility, weather resistance, and heat resistance.
- acrylic polymers and / or methacrylic polymers are preferred, and acrylic polymers such as polyacrylic acid alkyl esters are more preferred.
- the polymer synthesis method is preferably a living radical polymerization method and more preferably an atom transfer radical polymerization method because the molecular weight distribution is narrow and viscosity can be lowered. Further, it is preferable to use a polymer obtained by so-called SGO process obtained by continuous bulk polymerization of an alkyl acrylate monomer described in JP-A-2001-207157 at high temperature and high pressure.
- the number average molecular weight of the polymer plasticizer is preferably 500 to 15,000, more preferably 800 to 10,000, still more preferably 1,000 to 8,000, and particularly preferably 1,000. 5,000. Most preferred is 1,000 to 3,000. If the molecular weight is too low, the plasticizer will flow out over time due to heat and rain, and the initial physical properties cannot be maintained over a long period of time. Moreover, when molecular weight is too high, a viscosity will become high and workability
- the molecular weight distribution of the polymer plasticizer is not particularly limited, but is preferably narrow and preferably less than 1.80. 1.70 or less is more preferable, 1.60 or less is more preferable, 1.50 or less is more preferable, 1.40 or less is particularly preferable, and 1.30 or less is most preferable.
- the number average molecular weight of the polymer plasticizer is measured by a GPC method in the case of a vinyl polymer and by a terminal group analysis method in the case of a polyether polymer. Moreover, molecular weight distribution (Mw / Mn) is measured by GPC method (polystyrene conversion).
- the polymer plasticizer may or may not have a reactive silicon group.
- it acts as a reactive plasticizer and can prevent migration of the plasticizer from the cured product.
- it is preferably 1 or less, more preferably 0.8 or less on average per molecule.
- the number average molecular weight must be lower than that of the reactive silicon group-containing polyether polymer (A). is there.
- the amount of the plasticizer used is a reactive silicon group-containing polyether polymer (A), a reactive silicon group-containing polyether polymer (B) and / or a reactive silicon group-containing (meth) acrylic polymer. It is 5 to 150 parts by weight, preferably 10 to 120 parts by weight, and more preferably 20 to 100 parts by weight with respect to 100 parts by weight of the total of (C). If it is less than 5 parts by weight, the effect as a plasticizer will not be exhibited, and if it exceeds 150 parts by weight, the mechanical strength of the cured product will be insufficient.
- a plasticizer may be used independently and may use 2 or more types together. Further, a low molecular plasticizer and a high molecular plasticizer may be used in combination. These plasticizers can also be blended at the time of polymer production.
- a silane coupling agent in the curable composition of the present invention, a silane coupling agent, a reaction product of the silane coupling agent, or a compound other than the silane coupling agent can be added as an adhesion promoter.
- the silane coupling agent include ⁇ -isocyanatopropyltrimethoxysilane, ⁇ -isocyanatopropyltriethoxysilane, ⁇ -isocyanatopropylmethyldiethoxysilane, ⁇ -isocyanatopropylmethyldimethoxysilane, ⁇ -isocyanatemethyltrimethoxysilane.
- Silanes containing isocyanate groups such as ⁇ -isocyanatomethyldimethoxymethylsilane; ⁇ -aminopropyltrimethoxysilane, ⁇ -aminopropyltriethoxysilane, ⁇ -aminopropylmethyldimethoxysilane, ⁇ -aminopropylmethyldiethoxysilane, N - ⁇ -aminoethyl- ⁇ -aminopropyltrimethoxysilane, N- ⁇ -aminoethyl- ⁇ -aminopropylmethyldimethoxysilane, N- ⁇ -aminoethyl- ⁇ -aminopropi Triethoxysilane, N- ⁇ -aminoethyl- ⁇ -aminopropylmethyldiethoxysilane, ⁇ -ureidopropyltrimethoxysilane, N-phenyl- ⁇ -aminopropyltrimethoxysilane, N-
- silane coupling agent used in the present invention includes a reactive silicon group-containing polyether polymer (A), a reactive silicon group-containing polyether polymer (B) and / or a reactive silicon group-containing (meth) acrylic. It is preferably used in the range of 0.1 to 20 parts by weight, particularly preferably in the range of 0.5 to 10 parts by weight with respect to 100 parts by weight of the total amount of the polymer (C).
- Fillers include reinforcing fillers such as fumed silica, precipitated silica, crystalline silica, fused silica, dolomite, anhydrous silicic acid, hydrous silicic acid, and carbon black; heavy calcium carbonate, colloidal calcium carbonate, Resin powder such as magnesium carbonate, diatomaceous earth, calcined clay, clay, talc, titanium oxide, bentonite, organic bentonite, ferric oxide, aluminum fine powder, flint powder, zinc oxide, activated zinc white, PVC powder, PMMA powder And fillers such as asbestos, glass fibers and filaments.
- reinforcing fillers such as fumed silica, precipitated silica, crystalline silica, fused silica, dolomite, anhydrous silicic acid, hydrous silicic acid, and carbon black
- heavy calcium carbonate colloidal calcium carbonate
- Resin powder such as magnesium carbonate, diatomaceous earth, calcined clay, clay, talc, titanium oxide
- the reactive silicon group-containing polyether polymer (A) and the reactive silicon group-containing polyether polymer (B) and / or the reactive silicon group-containing (meth) acrylic polymer It is 1 to 300 parts by weight, preferably 10 to 200 parts by weight, based on 100 parts by weight of the total of (C).
- calcium carbonate has a greater effect of improving the strength at break, elongation at break, and adhesion of the cured product as the specific surface area increases.
- these fillers may be used alone or in combination of two or more.
- Fatty acid surface-treated colloidal calcium carbonate can be used in combination with calcium carbonate having a particle size of 1 ⁇ m or more, such as heavy calcium carbonate that has not been surface-treated.
- a spherical hollow body such as a balloon can be added to the curable composition of the present invention for the purpose of reducing the weight of the composition (reducing specific gravity).
- the balloon is a spherical filler with a hollow inside.
- the balloon material include inorganic materials such as glass, shirasu, and silica, and organic materials such as phenol resin, urea resin, polystyrene, saran, and acrylonitrile, but are not limited thereto.
- an inorganic material and an organic material can be combined, or a plurality of layers can be formed by stacking.
- An inorganic or organic balloon or a combination of these can be used.
- the balloons used may be the same balloon or a mixture of different types of balloons.
- the balloon can be used by processing or coating the surface thereof, or can be used by treating the surface with various surface treatment agents.
- an organic balloon may be coated with calcium carbonate, talc, titanium oxide, or the like, or an inorganic balloon may be surface treated with a silane coupling agent.
- the particle size of the balloon is preferably 3 to 200 ⁇ m, and particularly preferably 10 to 110 ⁇ m. If the thickness is less than 3 ⁇ m, the contribution to weight reduction is small, so a large amount of addition is necessary, and if it is 200 ⁇ m or more, the surface of the cured sealing material tends to be uneven or the elongation tends to decrease.
- the anti-slip agent as described in JP-A-2000-154368 and the surface of a cured product as described in JP-A-2001-164237 are matted to give an uneven state.
- An amine compound for obtaining a state particularly a primary and / or secondary amine having a melting point of 35 ° C. or higher can be added.
- balloons are disclosed in JP-A-2-129262, JP-A-4-8788, JP-A-4-173867, JP-A-5-1225, JP-A-7-113033, JP-A-9-53063, JP-A-10-10. -251618, JP-A No. 2000-154368, JP-A No. 2001-164237, WO 97/05201, and the like.
- the amount of the spherical hollow body used is the reactive silicon group-containing polyether polymer (A), the reactive silicon group-containing polyether polymer (B) and / or the reactive silicon group-containing (meth) acrylic polymer.
- 0.01 to 30 parts by weight is preferable with respect to 100 parts by weight of the total reactivity of the combined (C).
- the lower limit is more preferably 0.1 parts by weight, and the upper limit is more preferably 20 parts by weight. If it is less than 0.01 part by weight, there is no workability improvement effect, and if it exceeds 30 parts by weight, the elongation and breaking strength of the cured product tend to be low.
- a physical property modifier that adjusts the tensile properties of the cured product to be produced may be added as necessary.
- the physical property modifier is not particularly limited, but examples thereof include alkylalkoxysilanes such as methyltrimethoxysilane, dimethyldimethoxysilane, trimethylmethoxysilane, and n-propyltrimethoxysilane; dimethyldiisopropenoxysilane, methyltriisopropenoxy Silanes, alkylisopropenoxysilanes such as ⁇ -glycidoxypropylmethyldiisopropenoxysilane, ⁇ -glycidoxypropylmethyldimethoxysilane, ⁇ -glycidoxypropyltrimethoxysilane, vinyltrimethoxysilane, vinyldimethylmethoxy Silane, ⁇ -aminopropyltrimethoxysilane, N- ⁇ -aminoethyl- ⁇ -
- the hardness when the composition used in the present invention is cured can be increased, or conversely, the hardness can be decreased and elongation at break can be produced.
- the said physical property modifier may be used independently and may be used together 2 or more types.
- a compound that generates a compound having a monovalent silanol group in the molecule by hydrolysis has an action of reducing the modulus of the cured product without deteriorating the stickiness of the surface of the cured product.
- Particularly preferred are compounds that produce trimethylsilanol. Examples of the compound that generates a compound having a monovalent silanol group in the molecule by hydrolysis include compounds described in JP-A-5-117521.
- derivatives of alkyl alcohols such as hexanol, octanol, decanol, etc., which produce silicon compounds that produce trialkylsilanols such as trimethylsilanol by hydrolysis, and trimethylol described in JP-A-11-241029
- Examples thereof include a compound of a polyhydric alcohol having 3 or more hydroxyl groups such as propane, glycerin, pentaerythritol or sorbitol, which generates a silicon compound that generates a trialkylsilanol such as trimethylsilanol by hydrolysis.
- the physical property modifier is a reactive silicon group-containing polyether polymer (A), and a reactive silicon group-containing polyether polymer (B) and / or a reactive silicon group-containing (meth) acrylic polymer (C).
- A reactive silicon group-containing polyether polymer
- B reactive silicon group-containing polyether polymer
- C reactive silicon group-containing acrylic polymer
- an anti-sagging agent may be added to prevent sagging and improve workability if necessary.
- the sagging inhibitor is not particularly limited, and examples thereof include polyamide waxes; hydrogenated castor oil derivatives; metal soaps such as calcium stearate, aluminum stearate, and barium stearate. These anti-sagging agents may be used alone or in combination of two or more.
- the anti-sagging agent is a reactive silicon group-containing polyether polymer (A), and a reactive silicon group-containing polyether polymer (B) and / or a reactive silicon group-containing (meth) acrylic polymer (C). Is used in the range of 0.1 to 20 parts by weight with respect to 100 parts by weight in total.
- antioxidant antioxidant
- an antioxidant can be used in the curable composition of the present invention. If an antioxidant is used, the weather resistance of the cured product can be increased.
- the antioxidant include hindered phenols, monophenols, bisphenols, and polyphenols, with hindered phenols being particularly preferred.
- Tinuvin 622LD, Tinuvin 144; CHIMASSORB 944LD, CHIMASORB 119FL (all of which are manufactured by Ciba Japan Co., Ltd.); All are manufactured by ADEKA Corporation); Sanol LS-770, Sanol LS-765, Sanol LS-292, Sanol LS-2626, Sanol LS-1114, Sanol LS-744 (all of which are manufactured by Sankyo Lifetech Co., Ltd.)
- Hindered amine light stabilizers can also be used. Specific examples of the antioxidant are also described in JP-A-4-283259 and JP-A-9-194731.
- the amount of the antioxidant used is the reactive silicon group-containing polyether polymer (A), the reactive silicon group-containing polyether polymer (B) and / or the reactive silicon group-containing (meth) acrylic polymer. It is preferable to use in the range of 0.1 to 10 parts by weight, and more preferably 0.2 to 5 parts by weight with respect to 100 parts by weight of the combined (C).
- a light stabilizer can be used.
- Use of a light stabilizer can prevent photooxidation degradation of the cured product.
- Examples of the light stabilizer include benzotriazole, hindered amine, and benzoate compounds, with hindered amines being particularly preferred.
- the light stabilizer is used in a reactive silicon group-containing polyether polymer (A), a reactive silicon group-containing polyether polymer (B) and / or a reactive silicon group-containing (meth) acrylic polymer. It is preferable to use in the range of 0.1 to 10 parts by weight, and more preferably 0.2 to 5 parts by weight with respect to 100 parts by weight of the combined (C). Specific examples of the light stabilizer are also described in JP-A-9-194731.
- a tertiary amine is used as a hindered amine light stabilizer as described in JP-A-5-70531. It is preferable to use a contained hindered amine light stabilizer for improving the storage stability of the composition.
- Tinuvin 622LD Tinuvin 144
- CHIMASSORB119FL Adekastab LA-57, LA-62, LA-67, LA-63 (all above)
- Light stabilizers such as SANOL LS-765, LS-292, LS-2626, LS-1114, and LS-744 (all of which are manufactured by Sankyo Lifetech Co., Ltd.).
- an ultraviolet absorber can be used.
- the surface weather resistance of the cured product can be enhanced.
- ultraviolet absorbers include benzophenone-based, benzotriazole-based, salicylate-based, substituted tolyl-based, and metal chelate-based compounds, and benzotriazole-based compounds are particularly preferable.
- the amount of the UV absorber used is the reactive silicon group-containing polyether polymer (A), the reactive silicon group-containing polyether polymer (B) and / or the reactive silicon group-containing (meth) acrylic polymer. It is preferable to use in the range of 0.1 to 10 parts by weight, and more preferably 0.2 to 5 parts by weight with respect to 100 parts by weight of the combined (C). It is preferable to use a phenolic or hindered phenolic antioxidant, a hindered amine light stabilizer and a benzotriazole ultraviolet absorber in combination.
- various additives may be added as necessary for the purpose of adjusting various physical properties of the curable composition or the cured product.
- additives include, for example, flame retardants, curability modifiers, radical inhibitors, metal deactivators, ozone degradation inhibitors, phosphorus peroxide decomposers, lubricants, pigments, foaming agents, Examples include solvents and fungicides. These various additives may be used alone or in combination of two or more.
- the curable composition of the present invention can also be prepared as a one-component type in which all the blended components are pre-blended and sealed and cured by moisture in the air after construction. It is also possible to prepare a two-component type in which components such as a plasticizer and water are blended and the compounding material and the polymer composition are mixed before use.
- the curable composition When the curable composition is of a one-component type, all the ingredients are pre-blended, so the water-containing ingredients are dehydrated and dried before use, or dehydrated during decompression or the like during compounding and kneading. Is preferred.
- the curable composition When the curable composition is a two-component type, it is not necessary to add a curing catalyst to the main component containing a polymer having a reactive silicon group, so gelation is possible even if some moisture is contained in the compounding agent. However, when long-term storage stability is required, dehydration and drying are preferable.
- a heat drying method is preferable in the case of a solid substance such as a powder, and a dehydration method using a reduced pressure dehydration method or a synthetic zeolite, activated alumina, silica gel or the like is preferable in the case of a liquid material.
- a small amount of an isocyanate compound may be blended to react with an isocyanate group and water for dehydration.
- lower alcohols such as methanol and ethanol; n-propyltrimethoxysilane, vinyltrimethoxysilane, vinylmethyldimethoxysilane, ⁇ -mercaptopropylmethyldimethoxysilane, ⁇ -mercaptopropylmethyldiethoxysilane, ⁇ -
- an alkoxysilane compound such as glycidoxypropyltrimethoxysilane further improves the storage stability.
- the amount of the silicon compound capable of reacting with water is such that the reactive silicon group-containing polyether polymer (A), and the reactive silicon group-containing polyether polymer (B) and
- the amount of the reactive silicon group-containing (meth) acrylic polymer (C) is preferably in the range of 0.1 to 20 parts by weight, preferably 0.5 to 10 parts by weight with respect to 100 parts by weight in total.
- the curable composition of the present invention includes a floor adhesive, a coating agent, an adhesive, a mold preparation, a vibration damping material, a vibration damping material, a soundproof material, a foam material, a paint, a spraying material, a solar cell back surface sealing material, and the like.
- Electrical and electronic parts materials electrical insulation materials such as insulation coatings for electric wires and cables, elastic adhesives, contact adhesives, spray seals, crack repair materials, tile adhesives, powder coatings, casting Materials, medical rubber materials, medical adhesives, medical device sealing materials, food packaging materials, sealing materials for joints of exterior materials such as sizing boards, primers, conductive materials for shielding electromagnetic waves, thermal conductive materials, hot melt materials , Potting agents for electrical and electronic use, films, gaskets, various molding materials, and anti-rust / waterproof sealing materials for meshed glass and laminated glass end faces (cut parts), automotive parts, electrical parts, various machine parts, etc. Available in a variety of applications of liquid sealing agent used Te.
- the curable composition of the present invention includes an adhesive for interior panels, an adhesive for exterior panels, an adhesive for stone finishing, an adhesive for ceiling finishing, an adhesive for floor finishing, an adhesive for wall finishing, and a vehicle panel. It can also be used as an adhesive and an adhesive for electrical / electronic / precision equipment assembly.
- the chloromethyldimethoxysilane used in the following synthesis examples was synthesized by synthesizing chloromethyldichlorosilane by the method described in Example 41 of WO2010 / 004948 and methoxylated by the method described in Example 55. did.
- the terminal is a chloromethyldimethoxysilyl group, an average of 1.5 silicon groups per molecule, and a number average molecular weight of 21,100.
- a reactive silicon group-containing polyoxypropylene polymer (A-1) was obtained.
- Precipitated potassium chloride was removed by filtration, and N, N-dimethylformamide was distilled off with an evaporator and then purified by distillation to obtain 116.2 g of methyl (N-dimethoxymethylsilylmethyl) carbamate (MeCO 2 NH— CH2-Si (OMe) 2 Me) was obtained.
- a linear reactive silicon group-containing polyoxypropylene polymer (A-6) was obtained.
- the inside of the container was substituted with 6% O 2 / N 2 , and 100 ppm of sulfur (0.25% by weight of hexane solution), platinum divinyl dichloride with respect to 100 parts by weight of the obtained methallyl group-terminated polyoxypropylene polymer.
- 100 ppm of a siloxane complex (3 wt% isopropanol solution in terms of platinum) and 1.37 parts by weight of trimethyl orthoformate
- 1.60 parts by weight of (chloromethyl) dimethoxysilane was slowly added dropwise. By reacting the mixed solution at 100 ° C.
- a terminal is a (chloromethyl) dimethoxysilyl group, an average of 1.9 silicon groups per molecule, and a number average molecular weight of 28,500
- a reactive silicon group-containing polyoxypropylene polymer (A-7) was obtained.
- the terminal is a trimethoxysilyl group
- the average number of silicon groups per molecule is 1.6
- the number average molecular weight is A linear reactive silicon group-containing polyoxypropylene polymer (B-5) of 28,500 was obtained.
- Reactive silicon group-containing (meta) having an average of 1.6 silicon groups per molecule and a number-average molecular weight of 2,000 (calculated in the same manner as in Synthesis Example 1).
- An isobutanol solution (solid content 60%) of an acrylic polymer (C-2) was obtained.
- Example 1 Fatty acid-treated calcium carbonate (manufactured by Shiraishi Kogyo Co., Ltd., trade name: Shiraka Hana CCR) with respect to 100 parts by weight of 70 parts by weight of polymer (A-1) and 30 parts by weight of polymer (B-1) ) 50 parts by weight, 50 parts by weight of heavy calcium carbonate (product name: Whiten SB red, manufactured by Shiraishi Calcium Co., Ltd.) were mixed and sufficiently kneaded, and then dispersed by passing three times through three paint rolls. . Thereafter, dehydration under reduced pressure at 120 ° C. for 2 hours, cooling to 50 ° C.
- Shiraka Hana CCR trade name: Shiraka Hana CCR
- Examples 2 to 12, 16 and Comparative Examples 1 to 12 Polymers (A), (B) and (C), plasticizers, fillers, thixotropic agents, UV absorbers, in the proportions shown in Examples 2 to 12, 16 and Comparative Examples 1 to 12 in Tables 1 to 3
- a formulation was prepared and evaluated in the same manner as in Example 1 except that a light stabilizer, a dehydrating agent, an adhesion promoter, and a catalyst were blended. The respective results are shown in Tables 1 and 3.
- Fatty acid-treated calcium carbonate (manufactured by Shiraishi Kogyo Co., Ltd., trade name: Shiraka Hana CCR) 50 parts by weight, heavy calcium carbonate (manufactured by Shiraishi Calcium Co., Ltd., trade name: Whiten) (SB red) 50 parts by weight were mixed and sufficiently kneaded, and then passed through three paint rolls three times to be dispersed. Thereafter, dehydration under reduced pressure at 120 ° C. for 2 hours, cooling to 50 ° C. or less, and 4 parts by weight of vinyltrimethoxysilane (product name: A-171) as a dehydrating agent, as an adhesion promoter.
- Examples 14 to 15, Comparative Examples 13 to 14 Polymers (A), (B) and (C), plasticizers, fillers, thixotropic agents, ultraviolet absorbers, light stabilizers in the proportions shown in Examples 14 to 15 and Comparative Examples 13 to 14 in Tables 2 to 3.
- a formulation was prepared and evaluated in the same manner as in Example 13 except that an agent, a dehydrating agent, an adhesion-imparting agent, and a catalyst were blended. The respective results are shown in Tables 2-3.
- Example 17 Heavy calcium carbonate (manufactured by Shiraishi Calcium Co., Ltd., trade name: Whiten) with respect to 100 parts by weight of 20 parts by weight of the polymer (A-2) and 80 parts by weight of the polymer (B-7) SB red) 100 parts by weight, 2 parts by weight of hydrophilic fumed silica (manufactured by Nippon Aerosil Co., Ltd., product name: Aerosil 200) are mixed and sufficiently kneaded, and then dispersed once through three paint rolls. It was. Next, the mixture was kneaded for 2 hours while being dehydrated with a planetary mixer under reduced pressure at 120 ° C. and 0.2 mmHg.
- a planetary mixer under reduced pressure at 120 ° C. and 0.2 mmHg.
- the prepared composition is applied to the slate plate with a comb according to JISA5536, and after taking an open time until the adhesiveness appears, a vinyl floor sheet having a length of 200 mm and a width of 25 mm (manufactured by Tajima, Permalum) Are pasted together. After leaving at 23 ° C. for 1 week, a tensile test was performed in the peeling direction at 90 ° C. (test speed 200 mm / min) to determine the adhesive strength.
- Examples 18 to 23, Comparative Examples 15 to 20 Polymers (A), (B), and (C), a filler, a dehydrating agent, an adhesion-imparting agent, and a catalyst were blended at the ratios shown in Examples 18 to 23 and Comparative Examples 15 to 20 in Table 4. Except for the above, formulations were prepared and evaluated in the same manner as in Example 18. The respective results are shown in Tables 4-5.
- the reactive silicon group-containing polyether polymer (A) of the present invention, the reactive silicon group-containing polyether polymer (B) and / or the reactive silicon group-containing (meth) acrylic polymer are contained.
- the curable composition has excellent stretch properties and fast curability, and is excellent in initial adhesive performance.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Sealing Material Composition (AREA)
- Polyethers (AREA)
Abstract
Description
(1)下記一般式(1)で表される反応性ケイ素基を有するポリエーテル系重合体(A)、および、下記一般式(2)で表される反応性ケイ素基を有するポリエーテル系重合体(B)及び/または下記一般式(3)で表される反応性ケイ素基を有する(メタ)アクリル系重合体(C)を含有する硬化性組成物、
-W-CH2-SiR1 aR2 bXc (1)
(式中、R1は炭素数1~20の炭化水素基であって、1位から3位の炭素原子上の少なくとも1個の水素原子が、ハロゲン、-OR3、-NR4R5、-N=R6、-SR7(R3、R4、R5、R7はそれぞれ水素原子または炭素原子数1から20の置換あるいは非置換の炭化水素基、R6は炭素原子数1から20の2価の置換あるいは非置換の炭化水素基である。)、炭素原子数1から20のペルフルオロアルキル基、シアノ基で置換された基である。R2は炭素数1~20の炭化水素基、炭素数6~20のアリール基、炭素数7~20のアラルキル基、またはR0 3SiO-で表わされるトリオルガノシロキシ基を示し、3個のR0は炭素数1~20の炭化水素基であり、それらは同じでもよく、異なっていてもよい。Xは水酸基または加水分解性基を示す。Wは-O-R8-、-O-CO-N(R9)-、-N(R9)-CO-O-、-N(R9)-CO-N(R9)-、-S-CO-NH-、-NH-CO-S-、-S-から選択される結合基を示し、R8は炭素数1~8の2価の炭化水素基を示し、R9は、水素、ハロゲン置換されていてもよい炭素数1~18の炭化水素基を示す。Wが-O-R8-のとき、aは1または2、bは0または1、cは1または2であり、a+b+c=3を満たす。Wが-O-R8-以外のとき、aは0,1または2、bは0,1または2、cは1,2または3であり、a+b+c=3を満たす。R1、R2、Xのそれぞれについて、それらが複数存在するとき、それらは同じでもよく、異なっていてもよい。)
-V-SiR2 dX3-d (2)
(式中、R2、Xは一般式(1)と同じ。Vは炭素数2~8の2価の炭化水素基を示し、dは0,1,2のいずれかを示す。R2,Xのそれぞれについて、それらが複数存在するとき、それらは同じでもよく、異なっていてもよい。)
-Z-(CH2)n-SiR1 aR2 bXc (3)
(式中、R1、R2、Xは一般式(1)と同じ。
Zは、-CO-O-、-O-CO-N(R9)-、-N(R9)-CO-O-、-N(R9)-CO-N(R9)-、-S-CO-NH-、-NH-CO-S-、-S-から選択される結合基を示し、R9は一般式(1)と同じ。nは1~8を示す。aは0、1または2、bは0、1または2、cは1、2または3、a+b+c=3であるとする条件を満たす。R1、R2、Xのそれぞれについて、それらが複数存在するとき、それらは同じでもよく、異なっていてもよい。)
(2)一般式(1)中のR1が、下記一般式(4)で表わされる有機基であることを特徴とする(1)に記載の硬化性組成物、
-CR10 3-eYe (4)
(式中、Yはハロゲン、-OR3、-NR4R5、-N=R6、-SR7(R3、R4、R5、R7はそれぞれ水素原子または炭素原子数1から20の置換あるいは非置換の炭化水素基、R6は炭素原子数1から20の2価の置換あるいは非置換の炭化水素基である。)、炭素原子数1から20のペルフルオロアルキル基、シアノ基から選択される基である。R10は水素原子または炭素数1~19のアルキル基を示す。eは1,2または3を示す。Y、R10のそれぞれについて、それらが複数存在するとき、それらは同じでもよく、異なっていてもよい。)
(3)一般式(4)で表されるYが塩素であることを特徴とする(2)に記載の硬化性組成物、
(4)一般式(4)が、クロロメチル基であることを特徴とする(2)に記載の硬化性組成物、
(5)一般式(4)で表されるYがアルコキシ基であることを特徴とする(2)に記載の硬化性組成物、
(6)一般式(4)で表されるYが、メトキシ基、エトキシ基、フェノキシ基からなる群から選択される少なくとも1つの基であることを特徴とする(2)に記載の硬化性組成物、
(7)一般式(4)が、メトキシメチル基であることを特徴とする(2)に記載の硬化性組成物、
(8)一般式(1)中のWが-O-R8-(R8は炭素数1~8の2価の炭化水素基)であることを特徴とする(1)~(7)のいずれか1項に記載の硬化性組成物、
(9)ポリエーテル系重合体(A)がポリオキシプロピレン系重合体であることを特徴とする(1)~(8)のいずれか1項に記載の硬化性組成物、
(10)ポリエーテル系重合体(A)が分岐鎖を有していない直鎖状重合体であることを特徴とする(1)~(9)のいずれか1項に記載の硬化性組成物、
(11)ポリエーテル系重合体(B)の主鎖構造が、ポリオキシプロピレン系重合体であることを特徴とする(1)~(10)のいずれか1項に記載の硬化性組成物、
(12)一般式(2)の反応性ケイ素基がジメトキシメチルシリル基であることを特徴とする(1)~(11)のいずれか1項に記載の硬化性組成物、
(13)(メタ)アクリル系重合体(C)が、反応性ケイ素基含有(メタ)アクリル酸アルキルエステル系重合体、及び/または、共重合体であることを特徴とする(1)~(12)のいずれか1項に記載の硬化性組成物、
(14)ポリエーテル系重合体(A)およびポリエーテル系重合体(B)および(メタ)アクリル系重合体(C)を含有することを特徴とする(1)~(13)に記載の硬化性組成物、
(15)ポリエーテル系重合体(A)の数平均分子量が22,000以上であることを特徴とする(1)~(14)に記載の硬化性組成物、
(16)ポリエーテル系重合体(A)とポリエーテル系重合体(B)との配合割合が、(A):(B)=50:50~5:95(重量部)であることを特徴とする(1)~(15)のいずれか1項に記載の硬化性組成物、
(17)さらに、縮合触媒(D)として、アミン化合物(d1)、及び/または、有機ジアルキル錫化合物(d2)を含有することを特徴とする(1)~(16)のいずれか1項に記載の硬化性組成物、
(18)(1)~(17)のいずれか1項に記載の硬化性組成物を成分として含むシーリング材、
(19)(1)~(17)のいずれか1項に記載の硬化性組成物を成分として含む接着剤、
(20)(1)~(17)のいずれか1項に記載の硬化性組成物を成分として含むコンタクト型接着剤、
(21)ポリエーテル系重合体(A)およびポリエーテル系重合体(B)を含有する(1)~(17)のいずれか1項に記載のコンタクト型接着剤、
(22)(1)~(17)のいずれか1項に記載の硬化性組成物を硬化させて得られる硬化物、
に関する。
本発明の反応性ケイ素基含有ポリエーテル系重合体(A)は、以下の一般式(1)で表される反応性ケイ素基を有する有機重合体である。
-W-CH2-SiR1 aR2 bXc (1)
(式中、R1は炭素数1~20の炭化水素基であって、1位から3位の炭素原子上の少なくとも1個の水素原子が、ハロゲン、-OR3、-NR4R5、-N=R6、-SR7(R3、R4、R5、R7はそれぞれ水素原子または炭素原子数1から20の置換あるいは非置換の炭化水素基、R6は炭素原子数1から20の2価の置換あるいは非置換の炭化水素基である。)、炭素原子数1から20のペルフルオロアルキル基、シアノ基で置換された基を示す。R2は炭素数1~20の炭化水素基、炭素数6~20のアリール基、炭素数7~20のアラルキル基、またはR0 3SiO-で表わされるトリオルガノシロキシ基を示し、3個のR0は炭素数1~20の炭化水素基であり、それらは同じでもよく、異なっていてもよい。Xは水酸基または加水分解性基を示す。Wは-O-R8-,-O-CO-N(R9)-,-N(R9)-CO-O-,-N(R9)-CO-N(R9)-,-S-CO-NH-,-NH-CO-S-,-S-から選択される結合基を示し、R8は炭素数1~8の2価の炭化水素基を示し、R9は水素、ハロゲン置換されていてもよい炭素数1~18の炭化水素基を示す。Wが-O-R8-のとき、aは1または2、bは0または1、cは1または2、a+b+c=3であるとする条件を満たす。Wが-O-R8-以外のとき、aは0,1または2、bは0,1または2、cは1,2または3、a+b+c=3であるとする条件を満たす。R1,R2,X,W,R9のそれぞれについて、それらが複数存在するとき、それらは同じでもよく、異なっていてもよい。)。
(I)上記一般式(1)中の結合基Wが-O-R8-である場合。
(式中、Yは、ハロゲン、-OR3、-NR4R5、-N=R6、-SR7(R3、R4、R5、R7はそれぞれ水素原子または炭素原子数1から20の置換あるいは非置換の炭化水素基、R6は炭素原子数1から20の2価の置換あるいは非置換の炭化水素基である。)、炭素原子数1から20のペルフルオロアルキル基、シアノ基から選択される基である。R10は、水素原子または炭素数1~19のアルキル基を示す。eは1,2または3を示す。R10,Yのそれぞれについて、それらが複数存在するとき、それらは同じでもよく、異なっていてもよい。)。
-W1-CH2- (5)
(W1は-O-CO-N(R9)-,-N(R9)-CO-O-,-N(R9)-CO-N(R9)-,-S-CO-NH-,-NH-CO-S-,-S-から選択される結合基を示し、R9は水素、ハロゲン置換されていてもよい炭素数1~18の炭化水素基を示す。)
このような、特定の結合基が導入された本発明のポリエーテル系重合体(A)は、反応性ケイ素のケイ素原子が炭素数2以上の炭化水素基を介して有機重合体の重合体末端と結合している有機重合体と比較して速硬化性を示す。
本発明の反応性ケイ素基含有ポリエーテル系重合体(A)の主鎖構造は、特に制限はなく、エーテル結合を有する主鎖構造を持つものを使用することができる。
本発明の反応性ケイ素基含有ポリエーテル系重合体(A)は、下記(a)~(c)の方法により得ることが好ましい。
(a)水酸基末端重合体の末端水酸基をアリル基等の不飽和基に変換した後、HSiR1 nR2 oXpで表わされるシラン化合物(nは1または2であり、oは0または1であり、pは1または2であり、n+o+p=3である条件を満たす。R1、R2、Xはそれぞれ一般式(1)の記載と同じ)を反応させて得られる反応性ケイ素基含有ポリエーテル系重合体。
(b)水酸基末端重合体の末端水酸基をアリル基等の不飽和基に変換した後、ジメチルクロロシランを反応させた後、加水分解し、シラノール末端重合体を得る。続いて、SiR1 kR2 lXmで表されるシラン化合物(kは1または2であり、lは0または1であり、mは2または3であり、k+l+m=4である条件を満たす。R1、R2、Xはそれぞれ一般式(1)の記載と同じ)を反応させて得られる反応性ケイ素基含有ポリエーテル系重合体。
(c)水酸基末端重合体の末端水酸基に、OCN-CH2-SiR1 hR2 iXjで表わされるイソシアネートシラン(hは0,1または2であり、iは0,1または2であり、jは1,2または3であり、h+i+j=3である条件を満たす。R1、R2、Xはそれぞれ一般式(1)の記載と同じ)を反応させて得られる反応性ケイ素基含有ポリエーテル系重合体。
本発明の反応性ケイ素基含有ポリエーテル系重合体(B)は、以下の一般式(2)で表される反応性ケイ素基を分子鎖末端に有する有機重合体であれば特に限定されることはない。
-V-SiR2 dX3-d (2)
(式中、R2、Xは一般式(1)と同じ。Vは炭素数2~8の2価の炭化水素基を示し、dは0,1,2のいずれかを示す。R2,Xのそれぞれについて、それらが複数存在するとき、それらは同じでもよく、異なっていてもよい。)。
一般式(2)中のXは水酸基または加水分解性基を示す。加水分解性基としては、特に限定されず、公知の加水分解性基があげられ、前記一般式(1)で述べたものと同じものをあげることができる。加水分解性が穏やかで取扱いやすいことからメトキシ基、エトキシ基などのアルコキシ基がより好ましく、メトキシ基、エトキシ基が特に好ましい。Xの個数は2個であることが、硬化性の点から好ましく、3個であることが、初期粘着性、得られる硬化物が良好なゴム弾性を示すことから好ましい。
本発明の反応性ケイ素基含有ポリエーテル系重合体(B)の主鎖構造は、特に制限はなく、上記、反応性ケイ素基含有ポリエーテル系重合体(A)と同じ構造を有するものを使用することができる。その中でも、ポリオキシプロピレンジオールおよび/またはポリオキシプロピレントリオールに由来する主鎖構造が好ましく、ポリオキシプロピレンジオールに由来する主鎖構造がより好ましい。
本発明の反応性ケイ素基含有ポリエーテル系重合体(B)は、下記(d)の方法により得ることが好ましい。
(d)水酸基末端ポリオキシアルキレン系重合体の末端水酸基をアリル基等の不飽和基に変換した後、HSiR2 dX3-dで表わされるシラン化合物(R2、X、dはそれぞれ一般式(2)の記載と同じ。)を反応させて得られる反応性ケイ素基含有ポリエーテル系重合体。
本発明の反応性ケイ素基含有(メタ)アクリル系重合体(C)は、一般式(3)で表わされる反応性ケイ素基を分子鎖末端および/または側鎖に有する(メタ)アクリル系重合体であれば特に限定されることはない。
-Z-(CH2)n-SiR1 aR2 bXc (3)
(式中、R1、R2、Xは一般式(1)と同じ。Zは、-CO-O-、-O-CO-N(R9)-、-N(R9)-CO-O-、-N(R9)-CO-N(R9)-、-S-CO-NH-、-NH-CO-S-、-S-から選択される結合基を示し、R9は一般式(1)と同じ。nは1~8を示す。aは0または1または2、bは0または1または2、cは1または2または3であり、a+b+c=3を満たす。R1、R2、Xのそれぞれについて、それらが複数存在するとき、それらは同じでもよく、異なっていてもよい。)。
反応性ケイ素基含有(メタ)アクリル系重合体(C)の重合体末端と反応性ケイ素のケイ素原子とが、-Z-(CH2)n-で表わされる結合基を介して結合していることが必須である。このような、特定の結合基が導入された本発明の反応性ケイ素基含有(メタ)アクリル系有機重合体(C)は、反応性ケイ素基のケイ素原子とZの間の炭素数により硬化速度の影響を受け、n=1である場合に速硬化性を示す。
本発明の反応性ケイ素基含有(メタ)アクリル系重合体(C)の主鎖構造を構成する単量体単位は、特に制限はなく、(メタ)アクリル構造を有するモノマー(c)を1種および/または2種以上使用することが好ましい。
(メタ)アクリル系重合体に反応性ケイ素基を導入する方法は特に限定されず、たとえば、以下の(i)~(iv)に示されるような方法を用いることができる。
(i)重合性不飽和基と反応性ケイ素基を有する化合物(c4)を、上述の(メタ)アクリル構造を有するモノマー(b)とともに共重合する方法。
(ii)連鎖移動剤として、上述の反応性ケイ素基とメルカプト基を有する化合物(c3)の存在下、(メタ)アクリル構造を有するモノマー(c)を共重合する方法。
(iii)重合性不飽和基と反応性官能基を有する化合物(たとえば、アクリル酸、アクリル酸2-ヒドロキシエチル)を、(メタ)アクリル構造を有するモノマー(b)とともに共重合した後、反応性ケイ素基と反応性官能基に反応する官能基を有する化合物(たとえば、イソシアネートシラン化合物)を反応させる方法。
(iv)リビングラジカル重合法によって(メタ)アクリル構造を有するモノマー(c)を重合した後、分子鎖末端に反応性ケイ素基を導入する方法。
なお、これらの方法は任意に組合せて用いてもよい。
これらポリエーテルポリオールのヒドロキシ基をエステル基、エーテル基などに変換した誘導体等のポリエーテル類;ポリスチレンやポリ-α-メチルスチレン等のポリスチレン類;ポリブタジエン、ポリブテン、ポリイソブチレン、ブタジエン-アクリロニトリル、ポリクロロプレン等があげられるが、これらに限定されるものではない。
メトキシシラン等のハロゲン含有シラン類;トリス(トリメトキシシリル)イソシアヌレート等のイソシアヌレートシラン類等を挙げることができる。また、これらを変性した誘導体である、アミノ変性シリルポリマー、シリル化アミノポリマー、不飽和アミノシラン錯体、フェニルアミノ長鎖アルキルシラン、アミノシリル化シリコーン、シリル化ポリエステル等もシランカップリング剤として用いることができる。本発明に用いるシランカップリング剤は、反応性ケイ素基含有ポリエーテル系重合体(A)、および反応性ケイ素基含有ポリエーテル系重合体(B)および/または反応性ケイ素基含有(メタ)アクリル系重合体(C)の合計100重量部に対して、0.1~20重量部の範囲で使用することが好ましく、特に、0.5~10重量部の範囲で使用するのが好ましい。
分子量約2,000のポリオキシプロピレンジオールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキシドの重合を行い、数平均分子量が21,100(送液システムとして東ソー製HLC-8120GPCを用い、カラムは東ソー製TSK-GEL Hタイプを用い、溶媒はTHFを用いて測定したポリスチレン換算分子量)のポリオキシプロピレンジオールを得た。続いてこのポリオキシプロピレンジオールの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、さらに3-クロロ-1-プロペンを添加して末端の水酸基をアリル基に変換した。次に得られたアリル基末端ポリオキシプロピレン重合体100重量部に対して白金ジビニルジシロキサン錯体(白金換算で3重量%のイソプロパノール溶液)72ppm、オルトギ酸トリメチル1.29重量部を加え撹拌しながら、(クロロメチル)ジメトキシシラン1.51部をゆっくりと滴下した。その混合溶液を90℃で2時間反応させることにより、末端がクロロメチルジメトキシシリル基であり、1分子あたりのケイ素基が平均1.5個、数平均分子量が21,100である直鎖状の反応性ケイ素基含有ポリオキシプロピレン重合体(A-1)を得た。
分子量約2,000のポリオキシプロピレンジオールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキシドの重合を行い、数平均分子量が28,500(実施例1と同様の方法で算出した)のポリオキシプロピレンジオールを得た。続いてこのポリオキシプロピレンジオールの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、さらに3-クロロ-1-プロペンを添加して末端の水酸基をアリル基に変換した。次に得られたアリル基末端ポリオキシプロピレン重合体100重量部に対して白金ジビニルジシロキサン錯体(白金換算で3重量%のイソプロパノール溶液)72ppm、オルトギ酸トリメチル1.05重量部を加え撹拌しながら、(クロロメチル)ジメトキシシラン1.22部をゆっくりと滴下した。その混合溶液を90℃で2時間反応させることにより、末端が(クロロメチル)ジメトキシシリル基であり、1分子あたりのケイ素基が平均1.5個、数平均分子量が28,500である直鎖状の反応性ケイ素基含有ポリオキシプロピレン重合体(A-2)を得た。
数平均分子量が約3,000のポリオキシプロピレントリオールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキサイドの重合を行い、数平均分子量26,200(合成例1と同様の方法で算出した)のポリオキシプロピレントリオールを得た。続いてこのポリオキシプロピレントリオールの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、さらに3-クロロ-1-プロペンを添加して末端の水酸基をアリル基に変換した。次に得られたアリル基末端ポリオキシプロピレン重合体100重量部に対して白金ジビニルジシロキサン錯体(白金換算で3重量%のイソプロパノール溶液)72ppm、オルトギ酸トリメチル0.79重量部を加え撹拌しながら、(クロロメチル)ジメトキシシラン1.83重量部をゆっくりと滴下した。その混合溶液を90℃で2時間反応させることにより、末端がクロロメチルジメトキシシリル基であり、1分子あたりのケイ素基が平均2.3個、数平均分子量が26,200である分岐状の反応性ケイ素基含有ポリオキシプロピレン重合体(A-3)を得た。
数平均分子量が約2,000のポリオキシプロピレンジオールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキサイドの重合を行い、数平均分子量14,600(合成例1と同様の方法で算出した)のポリオキシプロピレンジオールを得た。続いてこのポリオキシプロピレンジオールの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、さらに3-クロロ-1-プロペンを添加して末端の水酸基をアリル基に変換した。次に得られたアリル基末端ポリオキシプロピレン重合体100重量部に対して白金ジビニルジシロキサン錯体(白金換算で3重量%のイソプロパノール溶液)72ppm、オルトギ酸トリメチル2.01重量部を加え撹拌しながら、(クロロメチル)ジメトキシシラン2.35重量部をゆっくりと滴下した。その混合溶液を90℃で2時間反応させることにより、末端が(クロロメチル)ジメトキシシリル基であり、1分子あたりのケイ素基が平均1.5個、数平均分子量が14,600である直鎖状の反応性ケイ素基含有ポリオキシプロピレン重合体(A-4)を得た。
特表2007-513203号公報の例2に記載の方法を参考に製造した(メトキシメチル)トリメトキシシランに対し、触媒として0.02モル当量の塩化亜鉛を用い、4モル当量の塩化アセチルを作用させた。加熱還流条件で36時間反応させ、(メトキシメチル)トリクロロシランを合成した。
1HNMRスペクトル帰属:δ4.52(t,1H)、3.60(s,6H),3.35(s,3H),3.19(d,2H)。
数平均分子量が約2,000のポリオキシプロピレンジオールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキサイドの重合を行い、数平均分子量14,600(合成例1と同様の方法で算出した)のポリオキシプロピレンジオールを得た。続いてこの水酸基末端ポリオキシプロピレンジオールの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、さらに3-クロロ-1-プロペンを添加して末端の水酸基をアリル基に変換した。次に得られたアリル基末端ポリオキシプロピレン重合体100重量部に対して白金ジビニルジシロキサン錯体(白金換算で3重量%のイソプロパノール溶液)72ppm、オルトギ酸トリメチル2.01重量部を加え撹拌しながら、合成例5で合成した(メトキシメチル)ジメトキシシラン2.28重量部をゆっくりと滴下した。その混合溶液を90℃で2時間反応させることにより、末端が(メトキシメチル)ジメトキシシリル基であり、1分子あたりのケイ素基が平均1.5個、数平均分子量が14,600である直鎖状の反応性ケイ素基含有ポリオキシプロピレン重合体(A-5)を得た。
シアン酸カリウム71.1g(0.88mol)を反応器中に入れ窒素置換後、N,N-ジメチルホルムアミド500mlを加え混合物をよく攪拌しながら、クロロメチル-ジメトキシメチルシラン125.0g(0.75mol)、メタノール50.2g(1.56mol)を添加し90℃に加熱した。その後4時間かけて120℃まで加熱し、さらに3時間攪拌を行った。析出した塩化カリウムをろ過により除去し、N,N-ジメチルホルムアミドをエバポレーターで留去した後、蒸留精製することによって116.2gの収量でメチル(N-ジメトキシメチルシリルメチル)カルバメート(MeCO2NH-CH2-Si(OMe)2Me)を得た。
数平均分子量約2,000のポリオキシプロピレンジオールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキシドの重合を行い、数平均分子量が14,600(合成例1と同様に算出した)のポリオキシプロピレンジオールを得た。得られたポリオキシプロピレンジオール100重量部に対してジブチル錫ジラウレート30ppmを加え攪拌しながら、合成例7で得られた(イソシアネートメチル)ジメトキシメチルシラン3.1重量部をゆっくり滴下した。その混合溶液を90℃で3時間反応させた後2時間脱気を行い、末端がジメトキシメチルシリル基であり、1分子あたりのケイ素基が平均1.8個、数平均分子量14,600である直鎖状の反応性ケイ素基含有ポリオキシプロピレン重合体(A-6)を得た。
数平均分子量が約2,000のポリオキシプロピレンジオールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキサイドの重合を行い、数平均分子量28,500(合成例1と同様の方法で算出した)のポリオキシプロピレンジオールを得た。得られたポリオキシプロピレンジオールの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、さらに3-クロロ-2-メチル-1-プロペンを添加して末端の水酸基をメタリル基に変換した。次に容器内を6%O2/N2で置換し、得られたメタリル基末端ポリオキシプロピレン重合体100重量部に対して、硫黄(0.25重量%のヘキサン溶液)100ppm、白金ジビニルジシロキサン錯体(白金換算で3重量%のイソプロパノール溶液)100ppm、オルトギ酸トリメチル1.37重量部を加え撹拌しながら、(クロロメチル)ジメトキシシラン1.60重量部をゆっくりと滴下した。その混合溶液を100℃で5時間反応させることにより、末端が(クロロメチル)ジメトキシシリル基であり、1分子あたりのケイ素基が平均1.9個、数平均分子量が28,500である直鎖状の反応性ケイ素基含有ポリオキシプロピレン重合体(A-7)を得た。
ブタノールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキサイドの重合を行い、数平均分子量7,000(合成例1と同様の方法で算出した)のポリオキシプロピレンオキシドを得た。続いてこの水酸基末端ポリオキシプロピレンオキシドの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、さらに3-クロロ-1-プロペンを添加して末端の水酸基をアリル基に変換した。次に得られたアリル基末端ポリオキシプロピレン重合体100重量部に対して白金ジビニルジシロキサン錯体(白金換算で3重量%のイソプロパノール溶液)72ppm、オルトギ酸トリメチル1.95重量部を加え撹拌しながら、(クロロメチル)ジメトキシシラン2.28重量部をゆっくりと滴下した。その混合溶液を90℃で2時間反応させることにより、末端がクロロメチルジメトキシシリル基であり、1分子あたりのケイ素基が平均0.7個、数平均分子量が7,000である直鎖状の反応性ケイ素基含有ポリオキシプロピレン重合体(A-8)を得た。
数平均分子量が約2,000のポリオキシプロピレンジオールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキサイドの重合を行い、数平均分子量7,200(合成例1と同様の方法で算出した)のポリオキシプロピレンジオールを得た。得られたポリオキシプロピレンジオールの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、さらに3-クロロ-1-プロペンを添加して末端の水酸基をアリル基に変換した。次に得られたアリル基末端ポリオキシプロピレン重合体100重量部に対して白金ジビニルジシロキサン錯体(白金換算で3重量%のイソプロパノール溶液)72ppm、オルトギ酸トリメチル3.83重量部を加え撹拌しながら、(クロロメチル)ジメトキシシラン4.49重量部をゆっくりと滴下した。その混合溶液を90℃で2時間反応させることにより、末端が(クロロメチル)ジメトキシシリル基であり、1分子あたりのケイ素基が平均1.5個、数平均分子量が7,400である直鎖状の反応性ケイ素基含有ポリオキシプロピレン重合体(A-9)を得た。
分子量約2,000のポリオキシプロピレンジオールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキシドの重合を行い、数平均分子量が21,100(合成例1と同様に算出した)のポリオキシプロピレンジオールを得た。得られたポリオキシプロピレンジオールの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、さらに3-クロロ-1-プロペンを添加して末端の水酸基をアリル基に変換した。次に得られたアリル基末端ポリオキシプロピレン重合体100重量部に対して白金ジビニルジシロキサン錯体(白金換算で3重量%のイソプロパノール溶液)36ppmを加え撹拌しながら、ジメトキシメチルシラン1.15重量部をゆっくりと滴下した。その混合溶液を90℃で2時間反応させることにより、末端がジメトキシメチルシリル基であり、1分子あたりのケイ素基が平均1.5個、数平均分子量が21,100である直鎖状の反応性ケイ素基含有ポリオキシプロピレン重合体(B-1)を得た。
分子量約2,000のポリオキシプロピレンジオールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキシドの重合を行い、数平均分子量が28,500(実施例1と同様の方法で算出した)のポリオキシプロピレンジオールを得た。得られたポリオキシプロピレンジオールの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、さらに3-クロロ-1-プロペンを添加して末端の水酸基をアリル基に変換した。次に得られたアリル基末端ポリオキシプロピレン重合体100重量部に対して白金ジビニルジシロキサン錯体(白金換算で3重量%のイソプロパノール溶液)36ppmを加え撹拌しながら、ジメトキシメチルシラン0.96重量部をゆっくりと滴下した。その混合溶液を90℃で2時間反応させることにより、末端がジメトキシメチルシリル基であり、1分子あたりのケイ素基が平均1.5個、数平均分子量が28,500である直鎖状の反応性ケイ素基含有ポリオキシプロピレン重合体(B-2)を得た。
数平均分子量が約3,000のポリオキシプロピレントリオールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキサイドの重合を行い、数平均分子量26,200(合成例1と同様の方法で算出した)のポリオキシプロピレントリオールを得た。得られたポリオキシプロピレントリオールの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、さらに3-クロロ-1-プロペンを添加して末端の水酸基をアリル基に変換した。次に得られたアリル基末端ポリオキシプロピレン重合体100重量部に対して白金ジビニルジシロキサン錯体(白金換算で3重量%のイソプロパノール溶液)36ppmを加え撹拌しながら、ジメトキシメチルシラン1.29重量部をゆっくりと滴下した。その混合溶液を90℃で2時間反応させることにより、末端がジメトキシメチルシリル基であり、1分子あたりのケイ素基が平均2.3個、数平均分子量が26,200である分岐状の反応性ケイ素基含有ポリオキシプロピレン重合体(B-3)を得た。
数平均分子量が約2,000のポリオキシプロピレンジオールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキサイドの重合を行い、数平均分子量28,500(合成例1と同様の方法で算出した)のポリオキシプロピレンジオールを得た。得られたポリオキシプロピレンジオールの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、さらに3-クロロ-2-メチル-1-プロペンを添加して末端の水酸基をメタリル基に変換した。次に容器内を6%O2/N2で置換し、得られたメタリル基末端ポリオキシプロピレン重合体100重量部に対して、硫黄(0.25重量%のヘキサン溶液)100ppm、白金ジビニルジシロキサン錯体(白金換算で3重量%のイソプロパノール溶液)100ppmを加え撹拌しながら、ジメトキシメチルシラン2.30重量部をゆっくりと滴下した。その混合溶液を100℃で5時間反応させることにより、末端がジメトキシメチルシリル基であり、1分子あたりのケイ素基が平均1.9個、数平均分子量が28,500である直鎖状の反応性ケイ素基含有ポリオキシプロピレン重合体(B-4)を得た。
数平均分子量が約2,000のポリオキシプロピレンジオールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキサイドの重合を行い、数平均分子量28,500(合成例1と同様の方法で算出した)のポリオキシプロピレンジオールを得た。得られたポリオキシプロピレンジオールの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、さらに3-クロロ-1-プロペンを添加して末端の水酸基をアリル基に変換した。次に得られたアリル基末端ポリオキシプロピレン重合体100重量部に対して白金ジビニルジシロキサン錯体(白金換算で3重量%のイソプロパノール溶液)36ppmを加え、撹拌しながら、TES(トリエトキシシラン)1.48重量部をゆっくりと滴下し、90℃で2時間反応させた。さらにメタノール20重量部、HCl12ppmを添加して末端のエトキシ基をメトキシ基に変換することにより、末端がトリメトキシシリル基であり、1分子あたりのケイ素基が平均1.6個、数平均分子量が28,500である直鎖状の反応性ケイ素基含有ポリオキシプロピレン重合体(B-5)を得た。
ブタノールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキサイドの重合を行い、数平均分子量7,000(合成例1と同様の方法で算出した)のポリオキシプロピレンオキシドを得た。続いてこの水酸基末端ポリオキシプロピレンオキシドの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、さらに3-クロロ-1-プロペンを添加して末端の水酸基をアリル基に変換した。次に得られたアリル基末端ポリオキシプロピレン重合体100重量部に対して白金ジビニルジシロキサン錯体(白金換算で3重量%のイソプロパノール溶液)36ppmを加え撹拌しながら、ジメトキシメチルシラン1.72重量部をゆっくりと滴下した。その混合溶液を90℃で2時間反応させることにより、末端がジメトキシメチルシリル基であり、1分子あたりのケイ素基が平均0.7個、数平均分子量が7,000である直鎖状の反応性ケイ素基含有ポリオキシプロピレン重合体(B-6)を得た。
分子量約2,000のポリオキシプロピレンジオールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキシドの重合を行い、数平均分子量が14,500(実施例1と同様の方法で算出した)のポリオキシプロピレンジオールを得た。得られたポリオキシプロピレンジオールの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、さらに3-クロロ-1-プロペンを添加して末端の水酸基をアリル基に変換した。次に得られたアリル基末端ポリオキシプロピレン重合体100重量部に対して白金ジビニルジシロキサン錯体(白金換算で3重量%のイソプロパノール溶液)36ppmを加え撹拌しながら、ジメトキシメチルシラン1.77重量部をゆっくりと滴下した。その混合溶液を90℃で2時間反応させることにより、末端がジメトキシメチルシリル基であり、1分子あたりのケイ素基が平均1.5個、数平均分子量が14,500である直鎖状の反応性ケイ素基含有ポリオキシプロピレン重合体(B-7)を得た。
数平均分子量が4,200(実施例1と同様の方法で算出した)のポリオキシプロピレンジオールの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、さらに3-クロロ-1-プロペンを添加して末端の水酸基をアリル基に変換した。次に得られたアリル基末端ポリオキシプロピレン重合体100重量部に対して白金ジビニルジシロキサン錯体(白金換算で3重量%のイソプロパノール溶液)36ppmを加え撹拌しながら、ジメトキシメチルシラン3.80重量部をゆっくりと滴下した。その混合溶液を90℃で2時間反応させることにより、末端がジメトキシメチルシリル基であり、1分子あたりのケイ素基が平均1.0個、数平均分子量が4,200である直鎖状の反応性ケイ素基含有ポリオキシプロピレン重合体(B-8)を得た。
攪拌機を備えた四口フラスコにイソブタノール44.7重量部を入れ、窒素雰囲気下、105℃まで昇温した。そこに、メチルメタクリレート72.9重量部、ブチルアクリレート6.5重量部、ステアリルメタクリレート14.6重量部、3-メタクリロキシプロピルメチルジメトキシシラン6.0重量部、3-メルカプトプロピルメチルジメトキシシラン7.9重量部、及び2,2’-アゾビス(2-メチルブチロニトリル)2.7重量部をイソブタノール24.3重量部に溶解した混合溶液を5時間かけて滴下した。さらに105℃で2時間重合を行い、1分子あたりのケイ素基が平均1.6個、数平均分子量が2,000(合成例1と同様に算出した)である反応性ケイ素基含有(メタ)アクリル系重合体(C-1)のイソブタノール溶液(固形分60%)を得た。
攪拌機を備えた四口フラスコにイソブタノール45.5重量部を入れ、窒素雰囲気下、105℃まで昇温した。そこに、メチルメタクリレート72.5重量部、ブチルアクリレート6.5重量部、ステアリルメタクリレート14.6重量部、3-メタクリロキシプロピルトリメトキシシラン6.4重量部、3-メルカプトプロピルトリメトキシシラン8.6重量部、及び2,2’-アゾビス(2-メチルブチロニトリル)2.7重量部をイソブタノール24.3重量部に溶解した混合溶液を5時間かけて滴下した。さらに105℃で2時間重合を行い、1分子あたりのケイ素基が平均1.6個、数平均分子量が2,000(合成例1と同様に算出した)である反応性ケイ素基含有(メタ)アクリル系重合体(C-2)のイソブタノール溶液(固形分60%)を得た。
攪拌機を備えた四口フラスコにイソブタノール45.4重量部を入れ、窒素雰囲気下、105℃まで昇温した。そこに、メチルメタクリレート59.5重量部、ブチルアクリレート6.5重量部、ステアリルメタクリレート14.6重量部、メタクリロキシメチルトリメトキシシラン19.4重量部、n-ドデシルメルカプタン8.9重量部、及び2,2’-アゾビス(2-メチルブチロニトリル)2.7重量部をイソブタノール24.3重量部に溶解した混合溶液を5時間かけて滴下した。さらに105℃で2時間重合を行い、1分子あたりのケイ素基が平均2.0個、数平均分子量が2,000(合成例1と同様に算出した)である反応性ケイ素基含有(メタ)アクリル系重合体(C-3)のイソブタノール溶液(固形分60%)を得た。
脱酸素状態にした反応器に、臭化第一銅0.72重量部、ブチルアクリレート13.4重量部、エチルアクリレート5.0重量部、ステアリルアクリレート1.6重量部を添加し、加熱攪拌した。重合溶媒としてアセトニトリル8.8重量部、開始剤としてジエチル2,5-ジブロモアジペート1.50重量部を添加、混合し、混合液の温度を約80℃に調節した段階でペンタメチルジエチレントリアミン(以下、トリアミンと略す)を添加し、重合反応を開始した。次いで、ブチルアクリレート53.6重量部、エチルアクリレート20重量部、ステアリルアクリレート6.4重量部を逐次添加し、重合反応を進めた。重合途中、適宜トリアミンを追加し、重合速度を調整した。重合時に使用したトリアミンの総量は0.15重量部であった。モノマー転化率(重合反応率)が約95%以上の時点で揮発分を減圧脱揮して除去し、重合体濃縮物を得た。
105℃に加熱したトルエン40重量部中に、メタクリル酸メチル67重量部、アクリル酸ブチル5重量部、メタクリル酸ステアリル15重量部、3-メタクリロキシプロピルメチルジメトキシシラン5重量部、γ-メルカプトプロピルメチルジメトキシシラン8重量部、および重合開始剤として2,2’-アゾビスイソブチロニトリル3重量部をトルエン15重量部に溶かした溶液を5時間かけて滴下した後、2時間撹拌した。さらに、2,2’-アゾビスイソブチロニトリル0.3重量部をトルエン10重量部に溶かした溶液を追加して2時間撹拌することにより、1分子あたりのケイ素基が平均2.0個、数平均分子量が3,000(合成例1と同様に算出した)である反応性ケイ素基含有(メタ)アクリル系重合体(C-5)のトルエン溶液(固形分60%)を得た。
105℃に加熱したトルエン40重量部中に、メタクリル酸メチル66重量部、アクリル酸ブチル5重量部、メタクリル酸ステアリル15重量部、3-メタクリロキシプロピルトリメトキシシラン5重量部、γ-メルカプトプロピルトリメトキシシラン9重量部、および重合開始剤として2,2’-アゾビスイソブチロニトリル3重量部をトルエン15重量部に溶かした溶液を5時間かけて滴下した後、2時間撹拌した。さらに、2,2’-アゾビスイソブチロニトリル0.3重量部をトルエン10重量部に溶かした溶液を追加して2時間撹拌することにより、1分子あたりのケイ素基が平均2.0個、数平均分子量が3,000(合成例1と同様に算出した)である反応性ケイ素基含有(メタ)アクリル系重合体(C-6)のトルエン溶液(固形分60%)を得た。
105℃に加熱したトルエン40重量部中に、メタクリル酸メチル66重量部、アクリル酸ブチル10重量部、メタクリル酸ステアリル15重量部、n-ドデシルメルカプタン9重量部、および重合開始剤として2,2’-アゾビスイソブチロニトリル3重量部をトルエン15重量部に溶かした溶液を5時間かけて滴下した後、2時間撹拌した。さらに、2,2’-アゾビスイソブチロニトリル0.3重量部をトルエン10重量部に溶かした溶液を追加して2時間撹拌することにより、数平均分子量が3,000(合成例1と同様に算出した)である(メタ)アクリル系重合体(C’-7)のトルエン溶液(固形分60%)を得た。
重合体(A-1)70重量部、及び、重合体(B-1)30重量部の併せて100重量部に対して、脂肪酸処理炭酸カルシウム(白石工業(株)製、商品名:白艶華CCR)50重量部、重質炭酸カルシウム(白石カルシウム(株)製、商品名:ホワイトンSB赤)50重量部を混合して充分混練りした後、3本ペイントロールに3回通して分散させた。この後、120℃で2時間減圧脱水を行い、50℃以下に冷却後、脱水剤としてビニルトリメトキシシラン(Momentive(株)製、商品名:A-171)4重量部、接着性付与剤としてγ-アミノプロピルトリメトキシシラン(Momentive(株)製、商品名:A-1110)3重量部、縮合触媒としてDBU(1,8-ジアザビシクロ[5,4,0]ウンデセン-7 (和光純薬工業(株)製)0.3重量部を加えて混練し、実質的に水分の存在しない状態で混練した後、防湿性のカートリッジ型容器に充填後、密封して、1成分型硬化性組成物を得た。
作製した配合物の皮張り時間と引張物性を下記に示す方法にて測定した。
23℃、相対湿度50%の雰囲気下にて、カートリッジから配合物を押出し、厚さ約5mmの型枠にスパチュラを用いて充填し、表面を平面状に整えた時間を硬化開始時間とした。表面をスパチュラで触り、スパチュラに混合物が付着しなくなった時間を皮張り時間として硬化時間の測定を行った。その結果を表1に示した。
23℃、相対湿度50%の雰囲気下にて、カートリッジから配合物を押出し、混合物を厚み3mmのポリエチレン製の型枠に気泡が入らないよう充填し、23℃、相対湿度50%で3日間、さらに50℃で4日間養生することにより硬化物を得た。得られた硬化物から、JIS K 6251に準拠して3号ダンベルを打ち抜き、引張り試験(引張り速度200mm/分、23℃、相対湿度50%)を行い、破断強度(TB)と破断時伸び率(EB)を測定した。その結果を表1に示した。
表1~3の実施例2~12、16、比較例1~12に示す割合で、重合体(A)(B)(C)、可塑剤、充填剤、チクソ性付与剤、紫外線吸収剤、光安定剤、脱水剤、接着付与剤、触媒を配合した以外は、実施例1と同様にして配合物を作製し、評価を行った。それぞれの結果を表1、及び、表3に示した。
合成例1で得られた反応性ケイ素基含有ポリオキシプロピレン重合体(A-1)60重量部と合成例20で得られた反応性ケイ素基含有(メタ)アクリル系重合体(C-1)のイソブタノール溶液66.7重量部を混合して、イソブタノールを減圧留去し、重合体の重量比(A-1)/(C-1)=60/40である重合体混合物を得た。この重合体混合物100重量部に対して、脂肪酸処理炭酸カルシウム(白石工業(株)製、商品名:白艶華CCR)50重量部、重質炭酸カルシウム(白石カルシウム(株)製、商品名:ホワイトンSB赤)50重量部を混合して充分混練りした後、3本ペイントロールに3回通して分散させた。この後、120℃で2時間減圧脱水を行い、50℃以下に冷却後、脱水剤としてビニルトリメトキシシラン(Momentive(株)製、商品名:A-171)4重量部、接着性付与剤としてγ-アミノプロピルトリメトキシシラン(Momentive(株)製、商品名:A-1110)3重量部、縮合触媒としてDBU(1,8-ジアザビシクロ[5,4,0]ウンデセン-7 (和光純薬工業(株)製)0.3重量部を加えて混練し、実質的に水分の存在しない状態で混練した後、防湿性のカートリッジ型容器に充填後、密封して、1成分型硬化性組成物を得た。評価は実施例1と同様にして行った。
表2~3の実施例14~15、比較例13~14に示す割合で、重合体(A)(B)(C)、可塑剤、充填剤、チクソ性付与剤、紫外線吸収剤、光安定剤、脱水剤、接着付与剤、触媒を配合した以外は、実施例13と同様にして配合物を作製し、評価を行った。それぞれの結果を表2~3に示した。
重合体(A-2)20重量部、及び、重合体(B-7)80重量部の併せて100重量部に対して、重質炭酸カルシウム(白石カルシウム(株)製、商品名:ホワイトンSB赤)100重量部、親水性ヒュームドシリカ(日本アエロジル(株)製、商品名:アエロジル200)2重量部を混合して充分混練りした後、3本ペイントロールに1回通して分散させた。ついでプラネタリーミキサーで120℃、0.2mmHgの減圧条件下で脱水させながら2時間混練した。室温まで冷却後、脱水剤としてビニルトリメトキシシラン2重量部、接着性付与剤としてγ-アミノプロピルトリメトキシシラン2重量部、縮合触媒として1-o-トリルビグアニド5重量部、ジブチル錫ジラウレート(日東化成(株)製、商品名:ネオスタンU-100)0.3重量部を加えて混練し、実質的に水分の存在しない状態で混練した後、防湿性のカートリッジ型容器に充填後、密封して、1成分型硬化性組成物を得た。
作製した配合物の初期粘着特性、接着性を下記に示す方法にて測定した。
・粘着性発現時間および持続時間
作成した配合物をスレート板へクシ目で塗布した後、指触にて配合物の状態を観測し、配合物から指を離す際に抵抗感のある時間を粘着性の発現時間とした。また、抵抗感が持続している時間帯を粘着性持続時間とした。
・初期収まり性(粘着強度)
作成した配合物をスレート板へクシ目で塗布し、長さ200mmで25mm幅のビニル床シート(タジマ製、パーマリューム)を張り合わせた。なおビニル床シートは予め半径25mmの塩ビパイプに、裏面を内側にして巻き付けクセ付けしたものを用いた。この、ビニル床シートを張り合わせた後しばらく放置し、ビニル床シートが反り返って浮いてくる場合は粘着強度×、反り返らずに張り合わせられた場合は粘着強度○、と判断した。
作成した配合物を、JISA5536に準拠し、スレート板へクシ目で塗布し、粘着性が発現するまでオープンタイムを取った後、長さ200mmで25mm幅のビニル床シート(タジマ製、パーマリューム)を張り合わせた。23℃で1週間放置後、90℃剥離方向に引張試験を行い(テストスピード200mm/min)、接着強度を求めた。
表4、及び、表5の実施例18~23、比較例15~20に示す割合で、重合体(A)(B)(C)、充填剤、脱水剤、接着付与剤、触媒を配合した以外は、実施例18と同様にして配合物を作製し、評価を行った。それぞれの結果を表4~5に示した。
Claims (22)
- 下記一般式(1)で表される反応性ケイ素基を有するポリエーテル系重合体(A)、および、下記一般式(2)で表される反応性ケイ素基を有するポリエーテル系重合体(B)及び/または下記一般式(3)で表される反応性ケイ素基を有する(メタ)アクリル系重合体(C)を含有する硬化性組成物。
-W-CH2-SiR1 aR2 bXc (1)
(式中、R1は炭素数1~20の炭化水素基であって、1位から3位の炭素原子上の少なくとも1個の水素原子が、ハロゲン、-OR3、-NR4R5、-N=R6、-SR7(R3、R4、R5、R7はそれぞれ水素原子または炭素原子数1から20の置換あるいは非置換の炭化水素基、R6は炭素原子数1から20の2価の置換あるいは非置換の炭化水素基である。)、炭素原子数1から20のペルフルオロアルキル基、シアノ基で置換された基である。R2は炭素数1~20の炭化水素基、炭素数6~20のアリール基、炭素数7~20のアラルキル基、またはR0 3SiO-で表わされるトリオルガノシロキシ基を示し、3個のR0は炭素数1~20の炭化水素基であり、それらは同じでもよく、異なっていてもよい。Xは水酸基または加水分解性基を示す。Wは-O-R8-、-O-CO-N(R9)-、-N(R9)-CO-O-、-N(R9)-CO-N(R9)-、-S-CO-NH-、-NH-CO-S-、-S-から選択される結合基を示し、R8は炭素数1~8の2価の炭化水素基を示し、R9は、水素、ハロゲン置換されていてもよい炭素数1~18の炭化水素基を示す。Wが-O-R8-のとき、aは1または2、bは0または1、cは1または2であり、a+b+c=3を満たす。Wが-O-R8-以外のとき、aは0,1または2、bは0,1または2、cは1,2または3であり、a+b+c=3を満たす。R1、R2、Xのそれぞれについて、それらが複数存在するとき、それらは同じでもよく、異なっていてもよい。)
-V-SiR2 dX3-d (2)
(式中、R2、Xは一般式(1)と同じ。Vは炭素数2~8の2価の炭化水素基を示し、dは0,1,2のいずれかを示す。R2,Xのそれぞれについて、それらが複数存在するとき、それらは同じでもよく、異なっていてもよい。)
-Z-(CH2)n-SiR1 aR2 bXc (3)
(式中、R1、R2、Xは一般式(1)と同じ。Zは、-CO-O-、-O-CO-N(R9)-、-N(R9)-CO-O-、-N(R9)-CO-N(R9)-、-S-CO-NH-、-NH-CO-S-、-S-から選択される結合基を示し、R9は一般式(1)と同じ。nは1~8を示す。aは0、1または2、bは0、1または2、cは1、2または3、a+b+c=3であるとする条件を満たす。R1、R2、Xのそれぞれについて、それらが複数存在するとき、それらは同じでもよく、異なっていてもよい。) - 一般式(1)中のR1が、下記一般式(4)で表わされる有機基であることを特徴とする請求項1に記載の硬化性組成物。
-CR10 3-eYe (4)
(式中、Yはハロゲン、-OR3、-NR4R5、-N=R6、-SR7(R3、R4、R5、R7はそれぞれ水素原子または炭素原子数1から20の置換あるいは非置換の炭化水素基、R6は炭素原子数1から20の2価の置換あるいは非置換の炭化水素基である。)、炭素原子数1から20のペルフルオロアルキル基、シアノ基から選択される基である。R10は水素原子または炭素数1~19のアルキル基を示す。eは1,2または3を示す。Y、R10のそれぞれについて、それらが複数存在するとき、それらは同じでもよく、異なっていてもよい。) - 一般式(4)で表されるYが塩素であることを特徴とする請求項2に記載の硬化性組成物。
- 一般式(4)が、クロロメチル基であることを特徴とする請求項2に記載の硬化性組成物。
- 一般式(4)で表されるYがアルコキシ基であることを特徴とする請求項2に記載の硬化性組成物。
- 一般式(4)で表されるYが、メトキシ基、エトキシ基、フェノキシ基からなる群から選択される少なくとも1つの基であることを特徴とする請求項2に記載の硬化性組成物。
- 一般式(4)が、メトキシメチル基であることを特徴とする請求項2に記載の硬化性組成物。
- 一般式(1)中のWが-O-R8-(R8は炭素数1~8の2価の炭化水素基)であることを特徴とする請求項1~7のいずれか1項に記載の硬化性組成物。
- ポリエーテル系重合体(A)がポリオキシプロピレン系重合体であることを特徴とする請求項1~8のいずれか1項に記載の硬化性組成物。
- ポリエーテル系重合体(A)が分岐鎖を有していない直鎖状重合体であることを特徴とする請求項1~9のいずれか1項に記載の硬化性組成物。
- ポリエーテル系重合体(B)の主鎖構造が、ポリオキシプロピレン系重合体であることを特徴とする請求項1~10のいずれかに記載の硬化性組成物。
- 一般式(2)の反応性ケイ素基がジメトキシメチルシリル基であることを特徴とする請求項1~11のいずれかに記載の硬化性組成物。
- (メタ)アクリル系重合体(C)が、反応性ケイ素基含有(メタ)アクリル酸アルキルエステル系重合体、及び/または、共重合体であることを特徴とする請求項1~12のいずれかに記載の硬化性組成物。
- ポリエーテル系重合体(A)およびポリエーテル系重合体(B)および(メタ)アクリル系重合体(C)を含有することを特徴とする請求項1~13に記載の硬化性組成物。
- ポリエーテル系重合体(A)の数平均分子量が22,000以上であることを特徴とする請求項1~14に記載の硬化性組成物。
- ポリエーテル系重合体(A)とポリエーテル系重合体(B)との配合割合が、(A):(B)=50:50~5:95(重量部)であることを特徴とする請求項1~15のいずれか1項に記載の硬化性組成物。
- さらに、縮合触媒(D)として、アミン化合物(d1)、及び/または、有機ジアルキル錫化合物(d2)を含有することを特徴とする請求項1~16のいずれか1項に記載の硬化性組成物。
- 請求項1~17のいずれか1項に記載の硬化性組成物を成分として含むシーリング材。
- 請求項1~17のいずれか1項に記載の硬化性組成物を成分として含む接着剤。
- 請求項1~17のいずれか1項に記載の硬化性組成物を成分として含むコンタクト型接着剤。
- ポリエーテル系重合体(A)およびポリエーテル系重合体(B)を含有する請求項1~17のいずれか1項に記載のコンタクト型接着剤。
- 請求項1~17のいずれか1項に記載の硬化性組成物を硬化させて得られる硬化物。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11816229.6A EP2604655B1 (en) | 2010-08-10 | 2011-08-05 | Curable composition |
US13/816,346 US8901255B2 (en) | 2010-08-10 | 2011-08-05 | Curable composition |
CN201180039274.6A CN103068922B (zh) | 2010-08-10 | 2011-08-05 | 固化性组合物 |
US14/956,644 USRE46688E1 (en) | 2010-08-10 | 2011-08-05 | Curable composition |
JP2012528593A JP5841055B2 (ja) | 2010-08-10 | 2011-08-05 | 硬化性組成物 |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-179570 | 2010-08-10 | ||
JP2010179570 | 2010-08-10 | ||
JP2010230719 | 2010-10-13 | ||
JP2010-230720 | 2010-10-13 | ||
JP2010230720 | 2010-10-13 | ||
JP2010-230719 | 2010-10-13 | ||
JP2010-230721 | 2010-10-13 | ||
JP2010230721 | 2010-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012020560A1 true WO2012020560A1 (ja) | 2012-02-16 |
Family
ID=45567535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/004464 WO2012020560A1 (ja) | 2010-08-10 | 2011-08-05 | 硬化性組成物 |
Country Status (5)
Country | Link |
---|---|
US (2) | USRE46688E1 (ja) |
EP (1) | EP2604655B1 (ja) |
JP (1) | JP5841055B2 (ja) |
CN (1) | CN103068922B (ja) |
WO (1) | WO2012020560A1 (ja) |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013180203A1 (ja) * | 2012-05-31 | 2013-12-05 | 株式会社カネカ | 複数の反応性ケイ素基を有する末端構造を有する重合体、およびその製造方法および利用 |
WO2014073593A1 (ja) * | 2012-11-09 | 2014-05-15 | 株式会社カネカ | 硬化性組成物及びその硬化物 |
JP2014114434A (ja) * | 2012-11-14 | 2014-06-26 | Kaneka Corp | 硬化性組成物 |
WO2014192914A1 (ja) * | 2013-05-30 | 2014-12-04 | 株式会社カネカ | 硬化性組成物およびその硬化物 |
EP2840087A1 (de) | 2013-08-23 | 2015-02-25 | Evonik Degussa GmbH | Guanidingruppen aufweisende semi-organische Siliciumgruppen enthaltende Verbindungen |
WO2015105122A1 (ja) * | 2014-01-09 | 2015-07-16 | 株式会社カネカ | 硬化性組成物 |
JP2015205984A (ja) * | 2014-04-18 | 2015-11-19 | 積水フーラー株式会社 | 硬化性組成物 |
JP2015209525A (ja) * | 2014-04-30 | 2015-11-24 | 積水フーラー株式会社 | 硬化性組成物及びこれを用いてなる目地構造 |
JP2016079094A (ja) * | 2014-10-09 | 2016-05-16 | 信越化学工業株式会社 | オルガノオキシ化合物及びその製造方法 |
WO2016114376A1 (ja) * | 2015-01-16 | 2016-07-21 | 株式会社カネカ | 硬化性組成物およびその硬化物 |
JP2017214541A (ja) * | 2015-12-21 | 2017-12-07 | 旭硝子株式会社 | 硬化性組成物およびその製造方法、ならびに硬化物およびシーリング材 |
US9969843B2 (en) | 2012-05-31 | 2018-05-15 | Kaneka Corporation | Polymer having terminal structure including plurality of reactive silicon groups, method for manufacturing same, and use for same |
WO2018199270A1 (ja) * | 2017-04-26 | 2018-11-01 | 株式会社カネカ | 硬化性組成物 |
JP2019006971A (ja) * | 2017-06-23 | 2019-01-17 | 積水フーラー株式会社 | 硬化性組成物 |
JP2019156884A (ja) * | 2018-03-07 | 2019-09-19 | Agc株式会社 | オキシアルキレン重合体、オキシアルキレン重合体を含む硬化性組成物、シーリング材用のオキシアルキレン重合体を含む硬化性組成物、及び硬化物 |
JP2020094107A (ja) * | 2018-12-11 | 2020-06-18 | 積水フーラー株式会社 | 硬化性組成物 |
JPWO2020179644A1 (ja) * | 2019-03-04 | 2020-09-10 | ||
JP2020158733A (ja) * | 2019-03-28 | 2020-10-01 | 株式会社カネカ | 硬化性組成物、及び硬化物 |
WO2020196228A1 (ja) | 2019-03-28 | 2020-10-01 | 株式会社カネカ | 硬化性組成物、及び硬化物 |
WO2021192815A1 (ja) | 2020-03-24 | 2021-09-30 | 綜研化学株式会社 | 硬化性組成物および硬化物 |
WO2022202132A1 (ja) * | 2021-03-26 | 2022-09-29 | 株式会社カネカ | シラン架橋性ポリマー含有組成物 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007056524A1 (de) * | 2007-11-22 | 2009-05-28 | Henkel Ag & Co. Kgaa | Härtbare Zusammensetzungen aus Trimethoxysilanen |
WO2013157486A1 (ja) * | 2012-04-18 | 2013-10-24 | 旭硝子株式会社 | ポリエーテル類の製造方法 |
WO2015133564A1 (ja) | 2014-03-05 | 2015-09-11 | 株式会社カネカ | 硬化性組成物 |
WO2016002907A1 (ja) * | 2014-07-02 | 2016-01-07 | 株式会社カネカ | 硬化性組成物およびその硬化物 |
CN106574145B (zh) * | 2014-08-01 | 2018-12-11 | 3M创新有限公司 | 可渗透的自密封空气阻挡组合物 |
CN106307645B (zh) * | 2015-07-07 | 2018-01-16 | 何斌 | 改良文胸钢圈及其加工方法、具有该钢圈的胸罩制品 |
KR20190072677A (ko) * | 2015-07-31 | 2019-06-25 | 다이킨 고교 가부시키가이샤 | 퍼플루오로(폴리)에테르기 함유 실란 화합물 |
WO2017050762A1 (en) * | 2015-09-23 | 2017-03-30 | Sika Technology Ag | Two-component composition |
CN106478710A (zh) * | 2016-08-31 | 2017-03-08 | 山东禹王和天下新材料有限公司 | 一种新型异氰酸酯基硅烷的制备方法 |
US10544280B1 (en) * | 2017-04-21 | 2020-01-28 | Swimc Llc | Joining compositions and methods |
CN107541170B (zh) * | 2017-09-06 | 2021-07-13 | 广州集泰化工股份有限公司 | 一种建筑用单组分硅烷改性聚醚密封胶及其制备方法 |
JP7067229B2 (ja) * | 2018-04-17 | 2022-05-16 | 信越化学工業株式会社 | 反応性ケイ素含有基を有するポリマーおよびその製造方法 |
NL2022496B1 (en) | 2019-02-01 | 2020-08-19 | Strongbond B V | High strength and elongation, label free, silyl modified polymer adhesive composition |
EP3825359B1 (en) * | 2019-11-20 | 2023-08-16 | Vito NV | Stabilizer for polyether having at least one reactive silyl group |
Citations (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57502171A (ja) | 1982-01-21 | 1982-12-09 | ||
JPS596207A (ja) | 1982-06-15 | 1984-01-13 | エス・シ−・ジヨンソン・アンド・サン・インコ−ポレ−テツド | バルク重合方法とポリマ−生成物 |
JPS63254149A (ja) | 1987-04-13 | 1988-10-20 | Kanegafuchi Chem Ind Co Ltd | 硬化性樹脂組成物 |
JPS6422904A (en) | 1987-07-17 | 1989-01-25 | Kanegafuchi Chemical Ind | Isobutylene polymer |
JPH02129262A (ja) | 1988-11-10 | 1990-05-17 | Kanegafuchi Chem Ind Co Ltd | 硬化性組成物 |
JPH048788A (ja) | 1990-04-26 | 1992-01-13 | Shin Etsu Chem Co Ltd | ハードディスク装置用カバー・スポンジパッキン組立体 |
JPH04173867A (ja) | 1990-11-07 | 1992-06-22 | Natl Space Dev Agency Japan<Nasda> | 軽量断熱性ゴム組成物 |
JPH04283259A (ja) | 1991-03-11 | 1992-10-08 | Kanegafuchi Chem Ind Co Ltd | 硬化性組成物 |
JPH0469659B2 (ja) | 1986-06-25 | 1992-11-06 | Kanegafuchi Chemical Ind | |
JPH051225A (ja) | 1991-06-25 | 1993-01-08 | Kanegafuchi Chem Ind Co Ltd | 硬化性組成物 |
JPH0570531A (ja) | 1991-09-12 | 1993-03-23 | Kanegafuchi Chem Ind Co Ltd | 硬化性組成物 |
JPH05117521A (ja) | 1991-10-31 | 1993-05-14 | Kanegafuchi Chem Ind Co Ltd | 硬化性組成物 |
JPH06279693A (ja) | 1993-03-26 | 1994-10-04 | Asahi Glass Co Ltd | 新規なポリマーおよびその組成物 |
JPH07113073A (ja) | 1993-10-18 | 1995-05-02 | Toray Chiokoole Kk | 艶消しシーリング組成物 |
JPH07258534A (ja) | 1994-03-25 | 1995-10-09 | Kanegafuchi Chem Ind Co Ltd | 硬化性組成物 |
JPH07108928B2 (ja) | 1986-06-26 | 1995-11-22 | 鐘淵化学工業株式会社 | 硬化性組成物 |
JPH08134203A (ja) * | 1994-11-16 | 1996-05-28 | Asahi Glass Co Ltd | ポリアルキレンオキシド誘導体の製造法および組成物 |
WO1997005201A1 (fr) | 1995-08-01 | 1997-02-13 | The Yokohama Rubber Co., Ltd. | Composition adhesive et son procede de fabrication |
JPH0953063A (ja) | 1995-08-11 | 1997-02-25 | Sekisui House Ltd | シーリング材およびその表面仕上げ方法 |
JPH09194731A (ja) | 1996-01-23 | 1997-07-29 | Asahi Glass Co Ltd | 硬化性組成物 |
JPH10251618A (ja) | 1997-03-17 | 1998-09-22 | Auto Kagaku Kogyo Kk | ざらつき感が付与されたシーリング材組成物 |
JPH11130931A (ja) | 1997-07-28 | 1999-05-18 | Kanegafuchi Chem Ind Co Ltd | 接着性硬化性組成物 |
JPH11241029A (ja) | 1998-02-26 | 1999-09-07 | Asahi Glass Co Ltd | 硬化性組成物 |
JP2000154368A (ja) | 1998-11-18 | 2000-06-06 | Hitachi Kasei Polymer Co Ltd | 建築用変成シリコーン系シーリング材 |
JP2001040037A (ja) | 1999-07-30 | 2001-02-13 | Soken Chem & Eng Co Ltd | 反応性アクリル系重合体、硬化性アクリル系重合体、硬化性組成物、硬化体およびこれらの用途 |
JP2001072854A (ja) | 1999-09-01 | 2001-03-21 | Asahi Glass Co Ltd | 室温硬化性組成物 |
JP2001164237A (ja) | 1999-12-09 | 2001-06-19 | Auto Kagaku Kogyo Kk | シーリング材組成物 |
JP2001207157A (ja) | 2000-01-28 | 2001-07-31 | Toagosei Co Ltd | シーリング材組成物 |
JP2003500378A (ja) | 1999-05-19 | 2003-01-07 | アトフィナ | β‐置換ニトロキシドから得られるポリアルコキシアミン |
JP2005501146A (ja) | 2001-08-28 | 2005-01-13 | コンゾルテイウム フユール エレクトロケミツシエ インヅストリー ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | アルコキシシラン末端のポリマーを含有する速硬性1成分混合物 |
JP2007513203A (ja) | 2003-06-26 | 2007-05-24 | コンゾルテイウム フユール エレクトロケミツシエ インヅストリー ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | アルコキシシラン−末端プレポリマー |
WO2008053875A1 (fr) | 2006-11-01 | 2008-05-08 | Kaneka Corporation | Polymère organique durcissable, procédé de fabrication de celui-ci, et composition durcissable contenant le polymère |
JP2008163141A (ja) * | 2006-12-27 | 2008-07-17 | Kaneka Corp | 硬化性有機重合体とその製造方法、および、これを含有する硬化性組成物 |
JP2008239809A (ja) * | 2007-03-27 | 2008-10-09 | Kaneka Corp | 硬化性組成物 |
JP2009529581A (ja) * | 2006-01-26 | 2009-08-20 | ウァッカー ケミー アーゲー | アルコキシシラン末端重合体を含有する重合体混合物 |
WO2009133811A1 (ja) * | 2008-05-02 | 2009-11-05 | 株式会社カネカ | 室温硬化性組成物およびその硬化物 |
WO2010004948A1 (ja) | 2008-07-08 | 2010-01-14 | 株式会社カネカ | α-ヘテロ置換アルキルハロヒドロシランの製造方法およびその利用 |
JP2010150381A (ja) * | 2008-12-25 | 2010-07-08 | Asahi Glass Co Ltd | 硬化性組成物 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69519832T2 (de) | 1994-07-18 | 2001-06-07 | Asahi Glass Co. Ltd., Tokio/Tokyo | Verfahren zur Polyetherreinigung |
JPWO2005097898A1 (ja) * | 2004-04-01 | 2008-02-28 | 株式会社カネカ | 硬化性組成物 |
DE102004055450A1 (de) * | 2004-11-17 | 2006-05-18 | Degussa Ag | Feuchtigkeitshärtendes Bindemittel |
US7941433B2 (en) | 2006-01-20 | 2011-05-10 | Glenbrook Associates, Inc. | System and method for managing context-rich database |
JPWO2009011329A1 (ja) * | 2007-07-19 | 2010-09-24 | 株式会社カネカ | 硬化性組成物 |
JP4820443B2 (ja) * | 2009-11-20 | 2011-11-24 | 日東電工株式会社 | 光学フィルム用粘着剤組成物、光学フィルム用粘着剤層、粘着型光学フィルムおよび画像表示装置 |
JP2012126881A (ja) * | 2010-11-24 | 2012-07-05 | Kaneka Corp | 硬化性組成物 |
US9328272B2 (en) * | 2012-09-10 | 2016-05-03 | Kaneka Corporation | Curable composition |
-
2011
- 2011-08-05 WO PCT/JP2011/004464 patent/WO2012020560A1/ja active Application Filing
- 2011-08-05 US US14/956,644 patent/USRE46688E1/en active Active
- 2011-08-05 US US13/816,346 patent/US8901255B2/en not_active Ceased
- 2011-08-05 JP JP2012528593A patent/JP5841055B2/ja active Active
- 2011-08-05 EP EP11816229.6A patent/EP2604655B1/en active Active
- 2011-08-05 CN CN201180039274.6A patent/CN103068922B/zh active Active
Patent Citations (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57502171A (ja) | 1982-01-21 | 1982-12-09 | ||
JPS596207A (ja) | 1982-06-15 | 1984-01-13 | エス・シ−・ジヨンソン・アンド・サン・インコ−ポレ−テツド | バルク重合方法とポリマ−生成物 |
JPH0469659B2 (ja) | 1986-06-25 | 1992-11-06 | Kanegafuchi Chemical Ind | |
JPH07108928B2 (ja) | 1986-06-26 | 1995-11-22 | 鐘淵化学工業株式会社 | 硬化性組成物 |
JPS63254149A (ja) | 1987-04-13 | 1988-10-20 | Kanegafuchi Chem Ind Co Ltd | 硬化性樹脂組成物 |
JPS6422904A (en) | 1987-07-17 | 1989-01-25 | Kanegafuchi Chemical Ind | Isobutylene polymer |
JPH02129262A (ja) | 1988-11-10 | 1990-05-17 | Kanegafuchi Chem Ind Co Ltd | 硬化性組成物 |
JPH048788A (ja) | 1990-04-26 | 1992-01-13 | Shin Etsu Chem Co Ltd | ハードディスク装置用カバー・スポンジパッキン組立体 |
JPH04173867A (ja) | 1990-11-07 | 1992-06-22 | Natl Space Dev Agency Japan<Nasda> | 軽量断熱性ゴム組成物 |
JPH04283259A (ja) | 1991-03-11 | 1992-10-08 | Kanegafuchi Chem Ind Co Ltd | 硬化性組成物 |
JPH051225A (ja) | 1991-06-25 | 1993-01-08 | Kanegafuchi Chem Ind Co Ltd | 硬化性組成物 |
JPH0570531A (ja) | 1991-09-12 | 1993-03-23 | Kanegafuchi Chem Ind Co Ltd | 硬化性組成物 |
JPH05117521A (ja) | 1991-10-31 | 1993-05-14 | Kanegafuchi Chem Ind Co Ltd | 硬化性組成物 |
JPH06279693A (ja) | 1993-03-26 | 1994-10-04 | Asahi Glass Co Ltd | 新規なポリマーおよびその組成物 |
JPH07113073A (ja) | 1993-10-18 | 1995-05-02 | Toray Chiokoole Kk | 艶消しシーリング組成物 |
JPH07258534A (ja) | 1994-03-25 | 1995-10-09 | Kanegafuchi Chem Ind Co Ltd | 硬化性組成物 |
JPH08134203A (ja) * | 1994-11-16 | 1996-05-28 | Asahi Glass Co Ltd | ポリアルキレンオキシド誘導体の製造法および組成物 |
WO1997005201A1 (fr) | 1995-08-01 | 1997-02-13 | The Yokohama Rubber Co., Ltd. | Composition adhesive et son procede de fabrication |
JPH0953063A (ja) | 1995-08-11 | 1997-02-25 | Sekisui House Ltd | シーリング材およびその表面仕上げ方法 |
JPH09194731A (ja) | 1996-01-23 | 1997-07-29 | Asahi Glass Co Ltd | 硬化性組成物 |
JPH10251618A (ja) | 1997-03-17 | 1998-09-22 | Auto Kagaku Kogyo Kk | ざらつき感が付与されたシーリング材組成物 |
JPH11130931A (ja) | 1997-07-28 | 1999-05-18 | Kanegafuchi Chem Ind Co Ltd | 接着性硬化性組成物 |
JPH11241029A (ja) | 1998-02-26 | 1999-09-07 | Asahi Glass Co Ltd | 硬化性組成物 |
JP2000154368A (ja) | 1998-11-18 | 2000-06-06 | Hitachi Kasei Polymer Co Ltd | 建築用変成シリコーン系シーリング材 |
JP2003500378A (ja) | 1999-05-19 | 2003-01-07 | アトフィナ | β‐置換ニトロキシドから得られるポリアルコキシアミン |
JP2001040037A (ja) | 1999-07-30 | 2001-02-13 | Soken Chem & Eng Co Ltd | 反応性アクリル系重合体、硬化性アクリル系重合体、硬化性組成物、硬化体およびこれらの用途 |
JP2001072854A (ja) | 1999-09-01 | 2001-03-21 | Asahi Glass Co Ltd | 室温硬化性組成物 |
JP2001164237A (ja) | 1999-12-09 | 2001-06-19 | Auto Kagaku Kogyo Kk | シーリング材組成物 |
JP2001207157A (ja) | 2000-01-28 | 2001-07-31 | Toagosei Co Ltd | シーリング材組成物 |
JP2005501146A (ja) | 2001-08-28 | 2005-01-13 | コンゾルテイウム フユール エレクトロケミツシエ インヅストリー ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | アルコキシシラン末端のポリマーを含有する速硬性1成分混合物 |
JP2007513203A (ja) | 2003-06-26 | 2007-05-24 | コンゾルテイウム フユール エレクトロケミツシエ インヅストリー ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | アルコキシシラン−末端プレポリマー |
JP2009529581A (ja) * | 2006-01-26 | 2009-08-20 | ウァッカー ケミー アーゲー | アルコキシシラン末端重合体を含有する重合体混合物 |
WO2008053875A1 (fr) | 2006-11-01 | 2008-05-08 | Kaneka Corporation | Polymère organique durcissable, procédé de fabrication de celui-ci, et composition durcissable contenant le polymère |
JP2008163141A (ja) * | 2006-12-27 | 2008-07-17 | Kaneka Corp | 硬化性有機重合体とその製造方法、および、これを含有する硬化性組成物 |
JP2008239809A (ja) * | 2007-03-27 | 2008-10-09 | Kaneka Corp | 硬化性組成物 |
WO2009133811A1 (ja) * | 2008-05-02 | 2009-11-05 | 株式会社カネカ | 室温硬化性組成物およびその硬化物 |
WO2010004948A1 (ja) | 2008-07-08 | 2010-01-14 | 株式会社カネカ | α-ヘテロ置換アルキルハロヒドロシランの製造方法およびその利用 |
JP2010150381A (ja) * | 2008-12-25 | 2010-07-08 | Asahi Glass Co Ltd | 硬化性組成物 |
Non-Patent Citations (2)
Title |
---|
J. AM. CHEM. SOC., vol. 116, 1994, pages 7943 |
MACROMOLECULES, vol. 32, 1999, pages 2872 |
Cited By (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9505879B2 (en) | 2012-05-31 | 2016-11-29 | Kaneka Corporation | Polymer having terminal structure including plurality of reactive silicon groups, method for manufacturing same, and use for same |
US9969843B2 (en) | 2012-05-31 | 2018-05-15 | Kaneka Corporation | Polymer having terminal structure including plurality of reactive silicon groups, method for manufacturing same, and use for same |
WO2013180203A1 (ja) * | 2012-05-31 | 2013-12-05 | 株式会社カネカ | 複数の反応性ケイ素基を有する末端構造を有する重合体、およびその製造方法および利用 |
US9803052B2 (en) | 2012-05-31 | 2017-10-31 | Kaneka Corporation | Polymer having terminal structure including plurality of reactive silicon groups, method for manufacturing same, and use for same |
WO2014073593A1 (ja) * | 2012-11-09 | 2014-05-15 | 株式会社カネカ | 硬化性組成物及びその硬化物 |
JP2014114434A (ja) * | 2012-11-14 | 2014-06-26 | Kaneka Corp | 硬化性組成物 |
WO2014192914A1 (ja) * | 2013-05-30 | 2014-12-04 | 株式会社カネカ | 硬化性組成物およびその硬化物 |
JPWO2014192914A1 (ja) * | 2013-05-30 | 2017-02-23 | 株式会社カネカ | 硬化性組成物およびその硬化物 |
EP2840087A1 (de) | 2013-08-23 | 2015-02-25 | Evonik Degussa GmbH | Guanidingruppen aufweisende semi-organische Siliciumgruppen enthaltende Verbindungen |
US9353225B2 (en) | 2013-08-23 | 2016-05-31 | Evonik Degussa Gmbh | Compounds having guanidine groups and containing semi-organic silicon groups |
DE102013216787A1 (de) | 2013-08-23 | 2015-02-26 | Evonik Degussa Gmbh | Guanidingruppen aufweisende semi-organische Siliciumgruppen enthaltende Verbindungen |
WO2015105122A1 (ja) * | 2014-01-09 | 2015-07-16 | 株式会社カネカ | 硬化性組成物 |
JP2015205984A (ja) * | 2014-04-18 | 2015-11-19 | 積水フーラー株式会社 | 硬化性組成物 |
JP2015209525A (ja) * | 2014-04-30 | 2015-11-24 | 積水フーラー株式会社 | 硬化性組成物及びこれを用いてなる目地構造 |
JP2016079094A (ja) * | 2014-10-09 | 2016-05-16 | 信越化学工業株式会社 | オルガノオキシ化合物及びその製造方法 |
WO2016114376A1 (ja) * | 2015-01-16 | 2016-07-21 | 株式会社カネカ | 硬化性組成物およびその硬化物 |
JPWO2016114376A1 (ja) * | 2015-01-16 | 2017-10-19 | 株式会社カネカ | 硬化性組成物およびその硬化物 |
US10287399B2 (en) | 2015-01-16 | 2019-05-14 | Kaneka Corporation | Curable composition and cured article obtained therefrom |
JP2017214541A (ja) * | 2015-12-21 | 2017-12-07 | 旭硝子株式会社 | 硬化性組成物およびその製造方法、ならびに硬化物およびシーリング材 |
WO2018199270A1 (ja) * | 2017-04-26 | 2018-11-01 | 株式会社カネカ | 硬化性組成物 |
JP6990401B2 (ja) | 2017-06-23 | 2022-01-12 | 積水フーラー株式会社 | 硬化性組成物 |
JP2019006971A (ja) * | 2017-06-23 | 2019-01-17 | 積水フーラー株式会社 | 硬化性組成物 |
JP2019156884A (ja) * | 2018-03-07 | 2019-09-19 | Agc株式会社 | オキシアルキレン重合体、オキシアルキレン重合体を含む硬化性組成物、シーリング材用のオキシアルキレン重合体を含む硬化性組成物、及び硬化物 |
JP7127302B2 (ja) | 2018-03-07 | 2022-08-30 | Agc株式会社 | オキシアルキレン重合体を含む硬化性組成物、シーリング材用のオキシアルキレン重合体を含む硬化性組成物、及び硬化物 |
JP2020094107A (ja) * | 2018-12-11 | 2020-06-18 | 積水フーラー株式会社 | 硬化性組成物 |
JP7335578B2 (ja) | 2018-12-11 | 2023-08-30 | 積水フーラー株式会社 | 硬化性組成物 |
EP3936569A4 (en) * | 2019-03-04 | 2022-11-30 | Kaneka Corporation | POLYMER BLEND, COMPOSITION, SEALANT, AND TIRE SEALANT |
WO2020179644A1 (ja) * | 2019-03-04 | 2020-09-10 | 株式会社カネカ | ポリマーブレンド、組成物、シーラント、およびタイヤ用シーラント |
JPWO2020179644A1 (ja) * | 2019-03-04 | 2020-09-10 | ||
JP7467411B2 (ja) | 2019-03-04 | 2024-04-15 | 株式会社カネカ | ポリマーブレンド、組成物、シーラント、およびタイヤ用シーラント |
WO2020196228A1 (ja) | 2019-03-28 | 2020-10-01 | 株式会社カネカ | 硬化性組成物、及び硬化物 |
JP2020158733A (ja) * | 2019-03-28 | 2020-10-01 | 株式会社カネカ | 硬化性組成物、及び硬化物 |
JP7356247B2 (ja) | 2019-03-28 | 2023-10-04 | 株式会社カネカ | 硬化性組成物、及び硬化物 |
WO2021192815A1 (ja) | 2020-03-24 | 2021-09-30 | 綜研化学株式会社 | 硬化性組成物および硬化物 |
WO2022202132A1 (ja) * | 2021-03-26 | 2022-09-29 | 株式会社カネカ | シラン架橋性ポリマー含有組成物 |
Also Published As
Publication number | Publication date |
---|---|
US20130217828A1 (en) | 2013-08-22 |
JP5841055B2 (ja) | 2016-01-06 |
EP2604655A4 (en) | 2015-11-11 |
USRE46688E1 (en) | 2018-01-30 |
EP2604655B1 (en) | 2020-12-09 |
EP2604655A1 (en) | 2013-06-19 |
CN103068922B (zh) | 2017-02-15 |
JPWO2012020560A1 (ja) | 2013-10-28 |
US8901255B2 (en) | 2014-12-02 |
CN103068922A (zh) | 2013-04-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5841055B2 (ja) | 硬化性組成物 | |
JP6527589B2 (ja) | 硬化性組成物 | |
JP5345836B2 (ja) | 硬化性組成物 | |
JP4101632B2 (ja) | 硬化性組成物および復元性、クリープ性改善方法 | |
JP6714515B2 (ja) | 硬化性組成物およびその硬化物 | |
JP4814733B2 (ja) | 硬化性組成物 | |
JP6561062B2 (ja) | 硬化性組成物 | |
WO2012117902A1 (ja) | 硬化性組成物 | |
JP6682227B2 (ja) | 硬化性組成物 | |
JP2012057148A (ja) | 硬化性組成物 | |
JP2012214755A (ja) | 硬化性組成物 | |
JP6290785B2 (ja) | 湿分硬化性組成物 | |
JPWO2008111598A1 (ja) | 硬化性組成物 | |
WO2012036109A1 (ja) | 硬化性組成物 | |
JP5129102B2 (ja) | 硬化性組成物と硬化物 | |
JP2012057150A (ja) | 硬化性組成物 | |
JP6818540B2 (ja) | 硬化性組成物 | |
US20230027947A1 (en) | Mixture of polyoxyalkylene polymers and curable composition | |
JP6839542B2 (ja) | 硬化性組成物 | |
JP2020164607A (ja) | 反応性シリル基含有(メタ)アクリル酸エステル系重合体およびこれを含有する硬化性組成物 | |
JP2012107098A (ja) | 硬化性組成物 | |
WO2016024584A1 (ja) | 積層体およびシーリング方法 | |
JP2020164606A (ja) | 反応性シリル基含有(メタ)アクリル酸エステル系共重合体およびこれを含有する硬化性組成物 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201180039274.6 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11816229 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2012528593 Country of ref document: JP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011816229 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13816346 Country of ref document: US |