WO2017064831A1 - ヒドロシリル基含有有機ケイ素樹脂の製造方法 - Google Patents
ヒドロシリル基含有有機ケイ素樹脂の製造方法 Download PDFInfo
- Publication number
- WO2017064831A1 WO2017064831A1 PCT/JP2016/004169 JP2016004169W WO2017064831A1 WO 2017064831 A1 WO2017064831 A1 WO 2017064831A1 JP 2016004169 W JP2016004169 W JP 2016004169W WO 2017064831 A1 WO2017064831 A1 WO 2017064831A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- containing organosilicon
- sio
- hydrosilyl group
- hydrosilyl
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
- C08G77/08—Preparatory processes characterised by the catalysts used
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
- C08G77/10—Equilibration processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/12—Polysiloxanes containing silicon bound to hydrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
Definitions
- the present invention relates to a method for producing a hydrosilyl group-containing organosilicon resin, which has a high industrial utility value.
- the organosilicon resin is a three-dimensional structure containing silicon of Q unit (SiO 4/2 ) or T unit (RSiO 3/2 ) (R is, for example, a monovalent organic group) as an essential component.
- Organosilicon resins having a strong skeleton exhibit characteristics such as weather resistance, heat resistance, water repellency, and electrical insulation, and thus are applied to pressure sensitive adhesives, rubber compounds, mold release agents, coating agents, and the like.
- the demand for raw materials for cosmetics such as foundations, eye shadows, creams, milky lotions, and hair cosmetics is increasing.
- organosilicon resins include organosilanes such as (CH 3 ) 3 SiCl, (CH 3 ) 3 SiOSi (CH 3 ) 3 , (CH 3 ) 3 SiOH as M unit (R 3 SiO 1/2 ) sources, Since disiloxanes are used, the surface is covered with trimethylsilyl groups and is very hydrophobic. Therefore, it is possible to synthesize a resin having water retention ability by imparting a hydrophilic group (Patent Document 1).
- Patent Documents 2 and 3 when a reactive functional group such as an epoxy group is modified, it can be applied as an optical semiconductor material such as an LED as a thermosetting resin (Patent Documents 2 and 3). Furthermore, when a short-chain alkyl group is modified, it can be applied as a resin additive in pigment-containing cosmetic formulations (Patent Document 4).
- an organic group can be introduced by silylating a chlorosilane such as R 3 SiCl with respect to a surface silanol group of an organosilicon resin.
- a chlorosilane such as R 3 SiCl
- a strong acid is generated during the silylation reaction, there is a possibility of breaking the bond of the organosilicon resin.
- a vinyl group can be mentioned in addition to a silanol group.
- An organic group can be introduced into an organosilicon resin having a vinyl group by a hydrosilylation reaction with an organic compound having a hydrosilyl group, a thiol-ene reaction with an organic compound having a thiol group, or the like.
- the number of organic compounds having a hydrosilyl group or a thiol group is small, and the organic groups that can be introduced are limited.
- a hydrosilyl group can also be considered as a reactive site.
- organosilicon resins having various organic groups can be obtained by using this method.
- hydrosilyl group-containing organosilicon resin As a method for producing hydrosilyl group-containing organosilicon resin, there is a method in which chlorosilanes such as dimethylchlorosilane and methyldichlorosilane are reacted with silanol groups on the surface of the organosilicon resin, but chlorosilanes are very reactive and self-reacting. However, there is a problem that hydrolytic condensation is likely to occur and the hydrosilyl group cannot be introduced quantitatively.
- hydrosilyl group-containing organosilicon resins can be produced by cohydrolysis / condensation reactions of hydrosilyl group-containing chlorosilanes (Patent Documents 6 and 7) and hydrogenated halosilanes (Patent Document 8). And the problem of low hydrogen content.
- a method of adding a hydrosilicone oil to a hydroxyl group-containing organosilicon resin by a dehydrogenation reaction has also been proposed, but the shape of the organosilicon resin obtained by modification of flexible silicone is limited to a liquid (patent) Reference 9).
- the hydrosilyl group can be arbitrarily set, and the hydrosilyl group deactivated during the process is reduced. There is a need for a method for producing a group-containing organosilicon resin.
- the present invention has been made in view of the above circumstances, and by reducing the amount of hydrosilyl groups deactivated, hydrosilyl groups can be introduced quantitatively and in large quantities, and in the absence of a solvent, the properties of the hydrosilyl groups are solid. It aims at providing the manufacturing method of a content organosilicon resin.
- a method for producing a hydrosilyl group-containing organosilicon resin One or more organic silicon compounds represented by the following general formula (1) and the following general formula (2), a hydrolyzable silane represented by the following general formula (3), and the hydrolyzable silane
- R 1 3 SiOSiR 1 3 (1)
- R 1 3 SiX 1 (2) In the formula, R 1 represents the same or different unsubstituted or substituted monovalent hydrocarbon group, and X 1 represents a hydrolyzable functional group.
- SiX 2 4 (3) In the formula, X 2 represents a functional group having hydrolyzability.
- One or more of the hydrosilyl group-containing organosilicon compounds represented by the following general formulas (4) and (5) are added to perform hydrolysis again, H n R 2 3-n SiOSiR 2 3-n
- X 3 represents a hydrolyzable functional group. Further, 1 ⁇ n ⁇ 3.) Then, neutralize by adding more base catalyst than the molar equivalent of the acid catalyst, Then by condensation, Q units (SiO 2 ), M units ((R 1 3 SiO 1/2 ) and (H n R 2 3-n SiO 1/2 )) represented by the following average composition formula (6) are essential components:
- the present invention also provides a method for producing a hydrosilyl group-containing organosilicon resin characterized by producing a hydrosilyl group-containing organosilicon resin that is solid in the absence of a solvent.
- R 1 3 SiO 1/2 a (H n R 2 3-n SiO 1/2 ) b (SiO 2 ) c (R 4 SiO 3/2 ) d (6)
- R 4 represents an unsubstituted or substituted monovalent hydrocarbon group. Also, 0 ⁇ a ⁇ 1.5, 0.2 ⁇ b ⁇ 1.5, 0 ⁇ c ⁇ 1, 0 ⁇ d ⁇ 1.5, 0.5 ⁇ a + b / c ⁇ 1.0.
- the method for producing the hydrosilyl group-containing organosilicon resin of the present invention includes one or more of the organosilicon compounds represented by the general formula (1) and the general formula (2), and the general formula (3). After hydrolyzing a mixture of any one or more of the hydrolyzable silane represented by the above, a partial hydrolysis condensate of the hydrolyzable silane, or a metal salt of the hydrolyzable silane with an acid catalyst, the above general The deactivation of hydrosilyl groups during hydrolysis is reduced by adding one or more of the hydrosilyl group-containing organosilicon compounds represented by formulas (4) and (5) and performing hydrolysis again. As a result, the hydrosilyl group can be introduced quantitatively and in large quantities.
- the integral value of the peak of ⁇ 10 to ⁇ 20 ppm is the integral of all silicon.
- the total value can be set to 1.0% or less, and further 0.1% or less.
- the hydrosilyl group-containing organosilicon resin produced by the method for producing a hydrosilyl group-containing organosilicon resin of the present invention has a 29 Si-NMR analysis resulting from the D unit produced by the reaction that deactivates the hydrosilyl group. It is also possible that the integrated value of the peak is suppressed to 1.0% or less and further to 0.1% or less with respect to the total integrated value of all silicon.
- one or more of the organosilicon compounds represented by the general formulas (1) and (2) and the general formula (3) A hydrolyzate after hydrolyzing a mixture of the hydrolyzable silane represented by the hydrolyzable silane, a partial hydrolyzate condensate of the hydrolyzable silane, or a metal salt of the hydrolyzable silane under an acid catalyst. It is preferable to carry out hydrolysis again at a temperature lower than the boiling point of the hydrosilyl group-containing organosilicon compound to be used after cooling the temperature to 25 ° C. and adding the hydrosilyl group-containing organosilicon compound.
- hydrosilyl group-containing organosilicon resin in such a temperature range because the deactivation of the hydrosilyl group can be further suppressed.
- the molecular weight is sufficiently increased, and a solid organosilicon resin can be obtained more reliably.
- one or more of the organosilicon compounds represented by the general formulas (1) and (2) and the general formula (3) are used.
- R 3 O 3 SiR 4 (7)
- R 4 is the same as described above.
- R 3 represents the same or different unsubstituted or substituted monovalent hydrocarbon groups.) It is represented by the average composition formula (6) by further adding one or a mixture of two or more of the organosilicon compounds represented by (in the average composition formula (6), d is 0 ⁇ d ⁇ 1.5), it is possible to produce a hydrosilyl group-containing organosilicon resin in a powder state in the absence of a solvent.
- the hydrosilyl group-containing organosilicon resin produced by further adding one or a mixture of two or more organosilicon compounds represented by the above general formula (7) contains T units (R 4 SiO 3/2 ). It can be.
- the method for producing a hydrosilyl group-containing organosilicon resin of the present invention deactivation of hydrosilyl groups during hydrolysis can be reduced, and as a result, the hydrosilyl groups can be introduced quantitatively and in large quantities.
- the condensation reaction of the organosilicon resin is prioritized.
- hydrosilyl which is solid (for example, powder) A group-containing organosilicon resin can be obtained.
- sodium hydroxide as a strong base catalyst as a base catalyst and calcium carbonate as a weak base catalyst
- a solid hydrosilyl group-containing organosilicon resin can be obtained more reliably.
- this invention can change the amount of hydrosilyl groups contained in an organosilicon resin quantitatively by changing the preparation amount of a hydrosilyl group-containing organosilicon compound.
- the present invention is a method for producing a hydrosilyl group-containing organosilicon resin, One or more organic silicon compounds represented by the following general formula (1) and the following general formula (2), a hydrolyzable silane represented by the following general formula (3), and the hydrolyzable silane After hydrolyzing a mixture of any one or more of the partially hydrolyzed condensate or metal salt of the hydrolyzable silane under an acid catalyst, R 1 3 SiOSiR 1 3 (1) R 1 3 SiX 1 (2) (In the formula, R 1 represents the same or different unsubstituted or substituted monovalent hydrocarbon group, and X 1 represents a hydrolyzable functional group.) SiX 2 4 (3) (In the formula, X 2 represents a functional group having hydrolyzability.) One or more of the hydrosilyl group-containing organosilicon compounds represented by the following general formulas (4) and (5) are added to perform hydrolysis again, H n R 2 3-n SiOSiR 2 3-n H n (4) H n R 2
- X 3 represents a hydrolyzable functional group. Further, 1 ⁇ n ⁇ 3.) Then, neutralize by adding more base catalyst than the molar equivalent of the acid catalyst, Then by condensation, Q units (SiO 2 ), M units ((R 1 3 SiO 1/2 ) and (H n R 2 3-n SiO 1/2 )) represented by the following average composition formula (6) are essential components: Thus, a hydrosilyl group-containing organosilicon resin, which is a solid in the absence of a solvent, is produced.
- R 1 3 SiO 1/2 a (H n R 2 3-n SiO 1/2 ) b (SiO 2 ) c (R 4 SiO 3/2 ) d (6)
- R 4 represents an unsubstituted or substituted monovalent hydrocarbon group. Also, 0 ⁇ a ⁇ 1.5, 0.2 ⁇ b ⁇ 1.5, 0 ⁇ c ⁇ 1, 0 ⁇ d ⁇ 1.5, 0.5 ⁇ a + b / c ⁇ 1.0.
- R 1 is the same or different unsubstituted or substituted monovalent hydrocarbon group, preferably an unsubstituted or substituted one having 1 to 10 carbon atoms.
- Valent hydrocarbon group saturated aliphatic hydrocarbon group such as methyl group, ethyl group, propyl group, butyl group and pentyl group, saturated alicyclic hydrocarbon group such as cyclopentyl group and cyclohexyl group, phenyl group and tolyl group
- Aromatic hydrocarbon groups such as trifluoropropyl group, heptadecafluorodecyl group, chloropropyl group, chlorophenyl group and the like, and particularly saturated hydrocarbon groups having 1 to 5 carbon atoms, A phenyl group or a trifluoropropyl group is preferred.
- R 2 is the same or different unsubstituted or substituted monovalent hydrocarbon group, preferably an unsubstituted or substituted one having 1 to 10 carbon atoms.
- Valent hydrocarbon group saturated aliphatic hydrocarbon group such as methyl group, ethyl group, propyl group, butyl group and pentyl group, saturated alicyclic hydrocarbon group such as cyclopentyl group and cyclohexyl group, phenyl group and tolyl group
- Aromatic hydrocarbon groups such as trifluoropropyl group, heptadecafluorodecyl group, chloropropyl group, chlorophenyl group and the like, and particularly saturated hydrocarbon groups having 1 to 5 carbon atoms, A phenyl group or a trifluoropropyl group is preferred.
- R 4 is an unsubstituted or substituted monovalent hydrocarbon group, preferably an unsubstituted or substituted monovalent hydrocarbon group having 1 to 10 carbon atoms, such as a methyl group, an ethyl group, Saturated aliphatic hydrocarbon groups such as propyl group, butyl group and pentyl group, saturated alicyclic hydrocarbon groups such as cyclopentyl group and cyclohexyl group, aromatic hydrocarbon groups such as phenyl group and tolyl group, trifluoropropyl group, Halogenated hydrocarbon groups such as a heptadecafluorodecyl group, a chloropropyl group, and a chlorophenyl group can be mentioned, and a saturated hydrocarbon group having 1 to 5 carbon atoms, a phenyl group, or a trifluoropropyl group is particularly preferable.
- R 4 is an unsubstituted or substituted monovalent hydrocarbon group, preferably an un
- X 1 is a hydrolyzable functional group directly bonded to a silicon atom, such as a halogen atom such as a chlorine atom or a bromine atom; a methoxy group, an ethoxy group, a propoxy group, or a butoxy group.
- a halogen atom such as a chlorine atom or a bromine atom
- methoxy group, an ethoxy group, a propoxy group, or a butoxy group examples include alkoxy groups; alkenoxy groups; acyloxy groups; amide groups; oxime groups.
- a methoxy group, an ethoxy group, and a chlorine atom are particularly preferable from the viewpoints of availability and hydrolysis rate.
- X 2 is a hydrolyzable functional group directly bonded to a silicon atom, such as a halogen atom such as a chlorine atom or a bromine atom; a methoxy group, an ethoxy group, a propoxy group, or a butoxy group.
- a halogen atom such as a chlorine atom or a bromine atom
- methoxy group, an ethoxy group, a propoxy group, or a butoxy group examples include alkoxy groups; alkenoxy groups; acyloxy groups; amide groups; oxime groups.
- an alkoxy group is preferable, and a methoxy group and an ethoxy group are particularly preferable from the viewpoints of availability and hydrolysis rate.
- the hydrolyzable group X 2 in one molecule is not limited to the same kind or different kinds.
- X 3 is a hydrolyzable functional group directly bonded to a silicon atom, such as a halogen atom such as a chlorine atom or a bromine atom; a methoxy group, an ethoxy group, a propoxy group, a butoxy group, or the like.
- a halogen atom such as a chlorine atom or a bromine atom
- methoxy group, an ethoxy group, a propoxy group, a butoxy group, or the like examples include alkoxy groups; alkenoxy groups; acyloxy groups; amide groups; oxime groups.
- a methoxy group, an ethoxy group, and a chlorine atom are particularly preferable from the viewpoints of availability and hydrolysis rate.
- R 1 3 SiOSiR 1 3 examples include 1,1,1,3,3,3-hexamethyldisiloxane, 1,1,1,3,3,3 -Hexaphenyldisiloxane, 1,1,3,3-tetramethyl-1,3-divinyldisiloxane, 1,1,1,3,3,3-hexaethyldisiloxane, 1,1,1,3 3,3-hexavinyldisiloxane, 1,1,1,3,3-pentavinylmethyldisiloxane, 1,1,1,3,3-n-octylpentamethyldisiloxane, 1,1,1,3 , 3-chloromethylpentamethyldisiloxane, 1,1,3,3-tetramethyl-1,3-diallyldisiloxane, 1,3-dimethyl-1,1,3,3-tetravinyldisiloxane It is done.
- 1,1,1,3,3,3-Hexaphenyldisiloxane 1,
- R 1 3 SiX 1 examples include trimethylchlorosilane, triethylchlorosilane, ethyldimethylchlorosilane, trivinylchlorosilane, dimethylvinylchlorosilane, triphenylchlorosilane, dimethylphenylchlorosilane, and methyldiphenylchlorosilane. , Trimethylmethoxysilane, trimethylethoxysilane, triethylmethoxysilane, triethylethoxysilane, triphenylmethoxysilane, triphenylethoxysilane, and the like. Trimethylchlorosilane and trimethylethoxysilane are particularly preferable.
- hydrolyzable silane represented by the general formula (3) SiX 2 4, tetrachlorosilane, tetramethoxysilane, tetraethoxysilane and the like.
- examples of the partially hydrolyzed condensate of the hydrolyzable silane include a tetramethoxysilane condensate and a tetraethoxysilane condensate.
- examples of the metal salt of the hydrolyzable silane include water glass, sodium silicate, and potassium silicate. In particular, tetraethoxysilane and tetraethoxysilane condensate are preferable.
- Examples of the hydrosilyl group-containing organosilicon compound represented by the general formula (4) H n R 2 3-n SiOSiR 2 3-n H n include 1,1,3,3-tetramethyldisiloxane, 1,1, Examples include 1,3,3-pentamethyldisiloxane. In particular, 1,1,3,3-tetramethyldisiloxane is preferred.
- n is 1 ⁇ n ⁇ 3.
- n associated with H and R 2 bonded to one silicon atom is already It may be the same as or different from n associated with H and R 2 bonded to one silicon atom.
- H n R 2 3-n SiX 3 examples include dimethylchlorosilane, diphenylchlorosilane, dimethylmethoxysilane, and dimethylethoxysilane. In particular, dimethylchlorosilane and dimethylmethoxysilane are preferable.
- one or more of the organosilicon compounds represented by the general formulas (1) and (2), the hydrolyzable silane represented by the general formula (3) Before hydrolysis of the mixture with any one or more of the hydrolyzable silane partial hydrolysis condensate or the metal salt of the hydrolyzable silane, or after the hydrolysis, the following general formula (7) (R 3 O) 3 SiR 4 (7) (In formula (7), R 4 is the same as described above.
- R 3 represents the same or different unsubstituted or substituted monovalent hydrocarbon groups.) It is represented by the average composition formula (6) by further adding one or a mixture of two or more of the organosilicon compounds represented by (in the average composition formula (6), d is 0 ⁇ d ⁇ 1.5), it is possible to produce a hydrosilyl group-containing organosilicon resin in a powder state in the absence of a solvent.
- each R 3 is an identical or different unsubstituted or substituted monovalent hydrocarbon group, preferably a monovalent hydrocarbon group having 1 to 10 carbon atoms, such as a methyl group, an ethyl group, Examples thereof include saturated aliphatic hydrocarbon groups such as propyl group, butyl group, and pentyl group. Particularly, saturated hydrocarbon groups having 1 to 5 carbon atoms, and further, methyl group and ethyl group are preferable.
- Examples of the silicon compound represented by the general formula (7) (R 3 O) 3 SiR 4 include methyltrimethoxysilane, methyltriethoxysilane, ethyltrimethoxysilane, pentyltriethoxysilane, phenyltriethoxysilane, benzyltri Examples include ethoxysilane, chloropropyltriethoxysilane, bromopropyltriethoxysilane, cyclohexyltrimethoxysilane, and trifluoropropyltrimethoxysilane. In particular, methyltrimethoxysilane and methyltriethoxysilane are preferable.
- a solvent particularly an organic solvent
- a hydrolysis raw material one or more of the organosilicon compounds represented by the general formula (1) and the general formula (2)) and the general formula (3)
- At least one of the hydrolyzable silane, the partially hydrolyzed condensate of the hydrolyzable silane, or the metal salt of the hydrolyzable silane added to the acid as a catalyst, and stirred. While dropping water.
- the organic solvent may be added after the completion of the dropwise addition of water.
- addition of an acid catalyst is essential.
- the temperature at which water is dropped is preferably 0 to 80 ° C., particularly preferably 0 to 50 ° C. By keeping the temperature within the above temperature range, reaction heat derived from the hydrolysis reaction of the hydrolysis raw material in the system can be suppressed. .
- the amount of water to be dropped is in the range of 0.6 to 2, preferably 1.0 to 1.8 in terms of a molar ratio with respect to the hydrolyzable functional group (alkoxy group or the like). By staying within the above range, it is possible to further suppress the deactivation of the hydrosilyl group.
- an organic solvent is preferably used in order to maintain a uniform reaction system during the hydrolysis reaction and to suppress a decrease in reaction rate due to an increase in viscosity. Further, it is desirable to use a solvent having a boiling point higher than the reflux temperature at the time of hydrolysis.
- organic solvents examples include cyclic organopolysiloxanes such as octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, and dodecamethylcyclohexasiloxane; aromatic hydrocarbons such as toluene and xylene; acetone, methylethylketone, diethylketone, methylisobutyl Examples include ketone organic solvents such as ketones; aliphatic hydrocarbons such as hexane, heptane, octane, and cyclohexane.
- an alcohol solvent having 1 to 10 carbon atoms can be used in combination.
- examples include methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-methyl-1-propanol, 2-butanol, 2-methyl-2-propanol, 1-pentanol, 2-methylbutanol, Examples include 2-pentanol, 1-hexanol, 2-methylpentanol, 1-heptanol, 1-octanol, 1-nonanol, 1-decanol, phenol, benzyl alcohol, ethylene glycol, and 1,2-propylene glycol.
- methanol, ethanol, 1-propanol and 2-propanol are particularly preferable.
- the amount of the solvent to be used is preferably 1 to 80% (% by weight, hereinafter the same) of the whole system, particularly 5 to 50%. When it is within the above range, the reaction system is uniformly maintained and the reaction proceeds efficiently.
- acid catalysts include hydrochloric acid, sulfuric acid, sulfurous acid, fuming sulfuric acid, oxalic acid, p-toluenesulfonic acid, methanesulfonic acid, trifluoromethanesulfonic acid, phosphoric acid, formic acid, acetic acid, propionic acid, benzoic acid, citric acid, etc. Can be mentioned.
- the amount of the acid catalyst used may be small and is preferably in the range of 0.001 to 10% of the entire system.
- the hydrolysis reaction is performed by heating at a temperature of 50 to 150 ° C., more preferably 80 to 120 ° C. for about 2 to 8 hours, for example.
- one or more of the organosilicon compounds represented by the general formula (1) and the general formula (2), the hydrolyzable silane represented by the general formula (3) After hydrolyzing a mixture of at least one of a hydrolyzable silane partial hydrolysis condensate and a hydrolyzable silane metal salt in the presence of an acid catalyst, the temperature is 10 to 100 ° C., preferably 10 to It is cooled to 60 ° C., more preferably 10 to 30 ° C., further preferably 25 ° C., and one or more of the hydrosilyl group-containing organosilicon compounds represented by the above general formulas (4) and (5) are used. Gradually add dropwise.
- hydrolysis is carried out again.
- the mixture is heated at a temperature lower than the boiling point of the hydrosilyl group-containing organic compound to be used, for example, at a temperature of 40 to 150 ° C., more preferably 40 to 120 ° C. for about 2 to 8 hours. It is preferable to perform a decomposition reaction. When the reaction is carried out within the above temperature range, deactivation of the hydrosilyl group can be further suppressed.
- a base catalyst such as alkali metal carbonate, alkali metal bicarbonate, alkali metal hydroxide or the like.
- a strong base catalyst and a weak base catalyst are used in combination, the deactivation of the hydrosilyl group and the condensation reaction of the organosilicon resin are further promoted.
- the strong base catalyst include lithium hydroxide, sodium hydroxide, potassium hydroxide, calcium hydroxide, barium hydroxide and the like.
- weak base catalysts include sodium carbonate, calcium carbonate, sodium bicarbonate and the like.
- a combination of sodium hydroxide and calcium carbonate is desirable because of its high molecular weight, and this combination increases the molecular weight sufficiently and more reliably solid organic A silicon resin can be obtained.
- the amount of the base catalyst used must be greater than the molar equivalent of the acid catalyst, and neutralization with a base catalyst greater than the equivalent of the acid catalyst gives priority to the condensation reaction of the organosilicon resin, resulting in a molecular weight.
- a hydrosilyl group-containing organosilicon resin that is solid (for example, powder) can be obtained in the absence of a solvent.
- the amount of the base catalyst used is preferably in the range of 1.1 to 3.0 molar equivalents of the acid catalyst.
- the generated alcohol, solvent and excess water may be removed by heating at 95 to 120 ° C. under normal pressure or reduced pressure. Then, after confirming the removal of the produced alcohols, solvent and excess water, the condensation reaction is carried out, for example, by heating at 120 to 150 ° C. for about 2 to 5 hours. As a result, a hydrosilyl group-containing organosilicon resin is obtained.
- reaction formula (8) in which some hydrosilyl groups are deactivated may occur.
- R is a monovalent hydrocarbon group having 1 to 10 carbon atoms, and n is an integer of 1 to 3.
- the D unit produced by the above reaction is observed as a broad peak of ⁇ 10 to ⁇ 20 ppm in 29 Si-NMR analysis.
- the addition order of raw materials that is, the above general formula (1) and / or the above general formula (2)
- the general formula (4) and / or the general formula (5) By adding a hydrosilyl group-containing organosilicon compound and performing hydrolysis again, the above reaction (8) can be suppressed to a very small amount, and this reaction can be achieved by devising the amount of raw material added and the type of catalyst.
- the integrated value of the peak of ⁇ 10 to ⁇ 20 ppm in 29 Si-NMR is 1.0% or less relative to the total integrated value of all silicon, and further, It can be suppressed to 1% or less.
- the total amount of the compounds of the general formulas (1), (2), (4) and (5) and the general formulas (3) and (7) ) In terms of the molar ratio of the compound used to the total amount of SiO 2 units and / or R 4 SiO 3/2 units of 0.3: 1 to 2: 1, particularly 0.6: 1 to 1. 3: 1 is preferable. Further, the ratio of the total amount of the compounds of the formulas (1) and (2) to the total amount of the compounds of the formulas (4) and (5) is 0.3: 1.0 to 2.0: It is desirable that the ratio is 1.0, particularly 0.6: 1.0 to 1.3: 1.0.
- this invention can change the amount of hydrosilyl groups contained in organosilicon resin quantitatively by changing the preparation amount of Formula (4) and Formula (5).
- the method for producing a hydrosilyl group-containing organosilicon resin of the present invention is a prescription characterized by reducing the amount of deactivation of hydrosilyl groups.
- the amount of hydrosilyl groups contained in the organosilicon resin can be easily adjusted by changing the preparation amount of the hydrosilyl group-containing organosilicon compound as compared with the conventional formulation, and a large amount can be introduced.
- the molecular weight distribution, shape, etc. of the organosilicon resin can be adjusted by changing the blending amount of the hydrolysis raw material, the type of acid catalyst, the addition amount, the reaction temperature, the reaction time, the addition amount of the solvent, and the addition method. And an organosilicon resin according to the intended use can be produced.
- Hydrosilyl group-containing organosilicon resin produced by the production method of the hydrosilyl group-containing organosilicon resin of the present invention is represented by the average composition formula (6), Q units (SiO 2), M unit ((R 1 3 SiO 1/2 ) and (H n R 2 3-n SiO 1/2 )) as essential components, and in the absence of a solvent consisting of constituents having T units (R 4 SiO 3/2 ) as optional components, Is a hydrosilyl group-containing organosilicon resin in a solid form.
- Q units SiO 2
- M unit ((R 1 3 SiO 1/2 ) and (H n R 2 3-n SiO 1/2 )
- T units R 4 SiO 3/2
- the weight average molecular weight is preferably in the range of 2000 to 30000, and more preferably in the range of 3000 to 15000 in view of performance and workability such as filtration.
- a weight average molecular weight can be calculated
- the hydrosilyl group-containing organosilicon resin produced by the method for producing a hydrosilyl group-containing organosilicon resin of the present invention can be hydrosilylated with a compound having an alkenyl group (carbon-carbon unsaturated bond) at the terminal.
- compounds having an unsaturated bond at the end include ethylene, propylene, 1-butene, 1-hexene, polyethylene glycol monoallyl ether, polypropylene glycol monoallyl ether, polyethylene glycol diallyl ether, allyl glycidyl ether, allyl alcohol, allyl Examples include benzene, allylamine, allyl isothiocyanate, allyl bromide, and allyl chloride. By such modification of the functional group, new characteristics can be imparted.
- the amount of hydrosilyl group in the organosilicon resin was determined as follows. First, 1 g of a sample is collected in an Erlenmeyer flask, and 1-butanol is added and mixed. Next, a 25 wt% NaOH aqueous solution was dropped, and the amount of hydrogen gas (Si—H + H 2 O ⁇ Si—OH + H 2 ⁇ ) generated at this time was measured. The Si environment was identified using NMR ECX500 manufactured by JEOL Ltd. under the measurement conditions of 1000 times of accumulation and deuterated solvent: deuterated chloroform.
- Example 1 Hexamethyldisiloxane 50 g (0.31 mol), the SiO 2 minutes 40%, (SiOEt) 3-ethyl containing SiO 1/2 min 60% polysilicate 180 g (in ethyl polysilicate, SiO 2 minutes 1.2 mol ⁇ ) , 150 g of decamethylcyclopentasiloxane was charged into the reaction vessel, 1.2 g (12.5 mmol) of methanesulfonic acid was added, cooled to 10 to 20 ° C., and 42.6 g (2.36 mol) of water was added dropwise with stirring. did. After completion of the dropping, hydrolysis is carried out by heating at 70 to 90 ° C. for 6 hours.
- Example 2 A reaction vessel was charged with 50 g (0.31 mol) of hexamethyldisiloxane, 180 g of ethyl polysilicate containing 40% of SiO 2 (1.2 mol * of SiO 2 in the ethyl polysilicate), and 80 g of isopropanol. 1.2 g (12.5 mmol) was added and cooled to 10 to 20 ° C., and 42.6 g (2.36 mol) of water was added dropwise with stirring. After completion of the dropping, hydrolysis is carried out by heating at 70 to 90 ° C. for 6 hours.
- Example 3 The reaction vessel was charged with 41.7 g (0.26 mol) of hexamethyldisiloxane, 180 g of ethyl polysilicate containing 40% SiO 2 (1.2 mol * of SiO 2 in ethyl polysilicate), and 80 g of isopropanol. 1.2 g (12.5 mmol) of acid was added and cooled to 10 to 20 ° C., and 42.6 g (2.36 mol) of water was added dropwise with stirring. After completion of the dropping, hydrolysis was performed by heating at 70 to 90 ° C. for 6 hours.
- Example 4 Charge 67.4 g (0.62 mol) of trimethylchlorosilane, 180 g of ethyl polysilicate containing 40% SiO 2 (1.2 mol * of SiO 2 in the ethyl polysilicate) and 80 g of isopropanol to a reaction vessel, and add methanesulfonic acid. 1.2 g (12.5 mmol) was added and cooled to 10 to 20 ° C., and 42.6 g (2.36 mol) of water was added dropwise with stirring. After completion of the dropping, hydrolysis was performed by heating at 70 to 90 ° C. for 6 hours.
- Example 5 A reaction vessel was charged with 20 g of hexamethyldisiloxane (0.12 mol), 180 g of ethyl polysilicate containing 40% of SiO 2 (in an ethyl polysilicate, 1.2 mol * of SiO 2 ), and 150 g of decamethylcyclopentasiloxane. 1.2 g of methanesulfonic acid (12.5 mmol) was added and cooled to 10-20 ° C., and 42.6 g of water was added dropwise with stirring. After completion of the dropping, hydrolysis is carried out by heating at 70 to 90 ° C. for 6 hours.
- Example 6 A reaction vessel was charged with 50 g (0.31 mol) of hexamethyldisiloxane, 180 g of ethyl polysilicate containing 40% of SiO 2 (1.2 mol * of SiO 2 in the ethyl polysilicate), and 80 g of isopropanol. 1.2 g (12.5 mmol) was added and cooled to 10 to 20 ° C., and 42.6 g (2.36 mol) of water was added dropwise with stirring. After completion of the dropping, hydrolysis is carried out by heating at 70 to 90 ° C. for 6 hours.
- the condensation reaction was carried out by heating at 150 ° C. for 5 hours. Furthermore, after diluting with decamethylcyclopentasiloxane, by filtration, 320 g of a 50% decamethylcyclopentasiloxane solution of a hydrosilyl group-containing organosilicon resin was obtained. (Me 3 SiO 1/2 ) 23. By heating 320 g of the resulting decamethylcyclopentasiloxane solution of hydrosilyl group-containing organosilicon resin to 120 to 130 ° C. under reduced pressure to remove decamethylcyclopentasiloxane .
- Example 7 A reaction vessel was charged with 50 g (0.31 mol) of hexamethyldisiloxane, 180 g of ethyl polysilicate containing 40% of SiO 2 (1.2 mol * of SiO 2 in the ethyl polysilicate), and 80 g of isopropanol. 1.2 g (12.5 mmol) was added and cooled to 10 to 20 ° C., and 42.6 g (2.36 mol) of water was added dropwise with stirring. After completion of the dropping, hydrolysis is carried out by heating at 70 to 90 ° C. for 6 hours.
- the mixture was cooled to room temperature, neutralized by adding 1.92 g (12.0 mmol) of 25 wt% aqueous sodium hydroxide solution and 0.25 g (2.5 mmol) of calcium carbonate, and then decamethylcyclopenta By adding 140 g of siloxane and heating to 120 ° C., ethanol, isopropanol and excess water generated by hydrolysis were removed. After confirming complete evaporation of the solvent, the mixture was heated at 150 ° C. for 5 hours.
- the hydrosilyl group-containing organosilicon resin produced by the method for producing a hydrosilyl group-containing organosilicon resin of the present invention is a hydrosilyl group produced by a method in which all hydrolyzable silanes as raw materials are simultaneously hydrolyzed.
- the deactivation amount of the hydrosilyl group could be reduced as compared with the containing organosilicon resin (Comparative Example).
- the present invention is not limited to the above embodiment.
- the above-described embodiment is an exemplification, and the present invention has any configuration that has substantially the same configuration as the technical idea described in the claims of the present invention and that exhibits the same effects. It is contained in the technical range.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Silicon Polymers (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
Abstract
Description
下記一般式(1)及び下記一般式(2)で表される有機ケイ素化合物のうち1種又は2種以上と、下記一般式(3)で表される加水分解性シラン、該加水分解性シランの部分加水分解縮合物又は前記加水分解性シランの金属塩のいずれか1種以上、との混合物を酸触媒下で加水分解後、
R1 3SiOSiR1 3 (1)
R1 3SiX1 (2)
(式中、R1は互いに同一又は異種の非置換又は置換一価炭化水素基を示す。また、X1は加水分解性を有する官能基を示す。)
SiX2 4 (3)
(式中、X2は加水分解性を有する官能基を示す。)
下記一般式(4)及び(5)で表されるヒドロシリル基含有有機ケイ素化合物のうち1種又は2種以上を添加し再度加水分解を行い、
HnR2 3-nSiOSiR2 3-nHn (4)
HnR2 3-nSiX3 (5)
(式中、R2は互いに同一又は異種の非置換又は置換一価炭化水素基を示す。また、X3は加水分解性を有する官能基を示す。さらに1≦n≦3である。)
その後、前記酸触媒のモル当量より多い塩基触媒を添加することで中和し、
その後、縮合することにより、
下記平均組成式(6)で表される、Q単位(SiO2),M単位((R1 3SiO1/2)及び(HnR2 3-nSiO1/2))を必須成分とした、溶剤の無い状態では性状が固形状であるヒドロシリル基含有有機ケイ素樹脂を製造することを特徴とするヒドロシリル基含有有機ケイ素樹脂の製造方法を提供する。
(R1 3SiO1/2)a(HnR2 3-nSiO1/2)b(SiO2)c(R4SiO3/2)d (6)
(式中、R1、R2、nは上記と同様である。R4は、非置換又は置換一価炭化水素基を示す。また、0<a≦1.5,0.2≦b≦1.5,0<c≦1、0≦d≦1.5、0.5≦a+b/c≦1.0である。)
(R3O)3SiR4 (7)
(式(7)中、R4は上記と同様である。R3はそれぞれ互いに同一又は異種の非置換又は置換一価炭化水素基を示す。)
で示される有機ケイ素化合物の1種又は2種以上の混合物をさらに添加することで、前記平均組成式(6)で表される(ただし、前記平均組成式(6)中、dは0<d≦1.5である)、溶剤の無い状態では粉末状態であるヒドロシリル基含有有機ケイ素樹脂を製造することができる。
下記一般式(1)及び下記一般式(2)で表される有機ケイ素化合物のうち1種又は2種以上と、下記一般式(3)で表される加水分解性シラン、該加水分解性シランの部分加水分解縮合物又は前記加水分解性シランの金属塩のいずれか1種以上、との混合物を酸触媒下で加水分解後、
R1 3SiOSiR1 3 (1)
R1 3SiX1 (2)
(式中、R1は互いに同一又は異種の非置換又は置換一価炭化水素基を示す。また、X1は加水分解性を有する官能基を示す。)
SiX2 4 (3)
(式中、X2は加水分解性を有する官能基を示す。)
下記一般式(4)及び(5)で表されるヒドロシリル基含有有機ケイ素化合物のうち1種又は2種以上を添加し再度加水分解を行い、
HnR2 3-nSiOSiR2 3-nHn (4)
HnR2 3-nSiX3 (5)
(式中、R2は互いに同一又は異種の非置換又は置換一価炭化水素基を示す。また、X3は加水分解性を有する官能基を示す。さらに1≦n≦3である。)
その後、前記酸触媒のモル当量より多い塩基触媒を添加することで中和し、
その後、縮合することにより、
下記平均組成式(6)で表される、Q単位(SiO2),M単位((R1 3SiO1/2)及び(HnR2 3-nSiO1/2))を必須成分とした、溶剤の無い状態では性状が固形状であるヒドロシリル基含有有機ケイ素樹脂を製造することを特徴とするヒドロシリル基含有有機ケイ素樹脂の製造方法である。
(R1 3SiO1/2)a(HnR2 3-nSiO1/2)b(SiO2)c(R4SiO3/2)d (6)
(式中、R1、R2、nは上記と同様である。R4は、非置換又は置換一価炭化水素基を示す。また、0<a≦1.5,0.2≦b≦1.5,0<c≦1、0≦d≦1.5、0.5≦a+b/c≦1.0である。)
(R3O)3SiR4 (7)
(式(7)中、R4は上記と同様である。R3はそれぞれ互いに同一又は異種の非置換又は置換一価炭化水素基を示す。)
で示される有機ケイ素化合物の1種又は2種以上の混合物をさらに添加することで、前記平均組成式(6)で表される(ただし、前記平均組成式(6)中、dは0<d≦1.5である)、溶剤の無い状態では粉末状態であるヒドロシリル基含有有機ケイ素樹脂を製造することができる。
SiO1/2HnR3-n(M単位)+~Si-OH→~Si-O-SiO1/2Hn-1R3-n (D単位)・・・(8)
(式(8)中、Rは炭素数1~10の一価炭化水素基、nは1~3の整数である。)
尚、有機ケイ素樹脂中のヒドロシリル基量の定量は次のように行った。まず、サンプル1gを三角フラスコに採取後、1-ブタノールを加え混合する。次に25wt%NaOH水溶液を滴下し、このときに発生する水素ガス(Si-H+H2O→Si-OH+H2↑)の量を測定した。また、Si環境の同定は、日本電子株式会社のNMR ECX500を用いて、積算回数:1000、重溶媒:重クロロホルムを測定条件の下行った。
ヘキサメチルジシロキサン50g(0.31mol)、SiO2分を40%、(SiOEt)3SiO1/2分を60%含むエチルポリシリケート180g(エチルポリシリケート中、SiO2分が1.2mol※)、デカメチルシクロペンタシロキサン150gを反応容器に仕込み、メタンスルホン酸を1.2g(12.5mmol)添加して10~20℃に冷却し、攪拌しながら水42.6g(2.36mol)を滴下した。滴下終了後、70~90℃で6時間加熱して加水分解を行う。その後、70~90℃で加熱した反応容器中にテトラメチルジシロキサン30g(0.22mol)を徐々に滴下し、4時間加熱して加水分解を行う。加水分解終了後、室温まで冷却し、25wt%水酸化ナトリウム水溶液1.92g(12.0mmol)と炭酸カルシウム0.25g(2.5mmol)を加えることで酸を中和した後、120℃まで加熱することで加水分解により生成したエタノール、過剰の水を除去した。完全な溶媒の留去を確認後、150℃で5時間加熱して縮合反応を行った。更にデカメチルシクロペンタシロキサンで希釈した後、濾過することにより、ヒドロシリル基含有有機ケイ素樹脂の50%デカメチルシクロペンタシロキサン溶液330gを得た。
得られたヒドロシリル基含有有機ケイ素樹脂のデカメチルシクロペンタシロキサン溶液330gを減圧下で120~130℃に加熱し、デカメチルシクロペンタシロキサンを除去することにより、(Me3SiO1/2)22.5(HMe2SiO1/2)16.0(SiO2)43.5で表される粉末状のヒドロシリル基含有有機ケイ素樹脂(重量平均分子量5500)160gを得た(平均組成式(6)中、a=0.31,b=0.22,c=0.60,d=0)。また、水素ガス発生量を測定したところ64.5mL/gであった(水素ガス発生量の理論値:65.8mL/g)。更に、生成物のSi-NMR分析において、-10~-20ppmのピークの積分値は全ケイ素の積分値の合計に対して、0.7%であった。
※エチルポリシリケートの総質量からSiO2の質量及び物質量を算出
Ex.)SiO2分を40%含むエチルポリシリケート180gのQ単位量=180×0.4/60(SiO2のMw)=1.2mol(以下同様にして算出)
ヘキサメチルジシロキサン50g(0.31mol)、SiO2分を40%含むエチルポリシリケート180g(エチルポリシリケート中、SiO2分が1.2mol※)、イソプロパノール80gを反応容器に仕込み、メタンスルホン酸を1.2g(12.5mmol)添加して10~20℃に冷却し、攪拌しながら水42.6g(2.36mol)を滴下した。滴下終了後、70~90℃で6時間加熱して加水分解を行う。その後、70~90℃で加熱した反応容器中にテトラメチルジシロキサン30g(0.22mol)を徐々に滴下し、4時間加熱して加水分解を行った。加水分解終了後、室温まで冷却し、25wt%水酸化ナトリウム水溶液1.92g(12.0mmol)と炭酸カルシウム0.25g(2.5mmol)を加えることで酸を中和した後、デカメチルシクロペンタシロキサン140gを添加して120℃まで加熱することで加水分解により生成したエタノール、イソプロパノール、過剰の水を除去した。完全な溶媒の留去を確認後、150℃で5時間加熱して縮合反応を行った。更にデカメチルシクロペンタシロキサンで希釈した後、濾過することにより、ヒドロシリル基含有有機ケイ素樹脂の50%デカメチルシクロペンタシロキサン溶液320gを得た。得られたヒドロシリル基含有有機ケイ素樹脂のデカメチルシクロペンタシロキサン溶液320gを減圧下で120~130℃に加熱し、デカメチルシクロペンタシロキサンを除去することにより、(Me3SiO1/2)22.5(HMe2SiO1/2)16.0(SiO2)43.5で表される粉末状のヒドロシリル基含有有機ケイ素樹脂(重量平均分子量5500)145gを得た(平均組成式(6)中、a=0.31,b=0.22,c=0.60,d=0)。また、水素ガス発生量を測定したところ64.9mL/gであった(水素ガス発生量の理論値:65.8mL/g)。更に、生成物のSi-NMR分析において、-10~-20ppmのピークの積分値は全ケイ素の積分値の合計に対して、0.5%であった。
ヘキサメチルジシロキサン41.7g(0.26mol)、SiO2分を40%含むエチルポリシリケート180g(エチルポリシリケート中、SiO2分が1.2mol※)、イソプロパノール80gを反応容器に仕込み、メタンスルホン酸を1.2g(12.5mmol)添加して10~20℃に冷却し、攪拌しながら水42.6g(2.36mol)を滴下した。滴下終了後、70~90℃で6時間加熱して加水分解を行った。その後、70~90℃で加熱した反応容器中にテトラメチルジシロキサン25g(0.19mol)を徐々に滴下し、4時間加熱して加水分解を行う。加水分解終了後、室温まで冷却し、25wt%水酸化ナトリウム水溶液1.92g(12.0mmol)と炭酸カルシウム0.25g(2.5mmol)を加えることで酸を中和した後、デカメチルシクロペンタシロキサン140gを添加して120℃まで加熱することで加水分解により生成したエタノール、イソプロパノール、過剰の水を除去した。完全な溶媒の留去を確認後、150℃で5時間加熱して縮合反応を行う。更にデカメチルシクロペンタシロキサンで希釈した後、濾過することにより、ヒドロシリル基含有有機ケイ素樹脂の50%デカメチルシクロペンタシロキサン溶液260gを得た。得られたヒドロシリル基含有有機ケイ素樹脂のデカメチルシクロペンタシロキサン溶液260gを減圧下で120~130℃に加熱し、デカメチルシクロペンタシロキサンを除去することにより、(Me3SiO1/2)61.5(HMe2SiO1/2)44.9(SiO2)141.8で表される粉末状のヒドロシリル基含有有機ケイ素樹脂(重量平均分子量16500)110gを得た(平均組成式(6)中、a=0.31,b=0.23,c=0.71,d=0)。また、水素ガス発生量を測定したところ58.6mL/gであった(水素ガス発生量の理論値:60.1mL/g)。更に、生成物のSi-NMR分析において、-10~-20ppmのピークの積分値は全ケイ素の積分値の合計に対して、0.8%であった。
トリメチルクロロシラン67.4g(0.62mol)、SiO2分を40%含むエチルポリシリケート180g(エチルポリシリケート中、SiO2分が1.2mol※)、イソプロパノール80gを反応容器に仕込み、メタンスルホン酸を1.2g(12.5mmol)添加して10~20℃に冷却し、攪拌しながら水42.6g(2.36mol)を滴下した。滴下終了後、70~90℃で6時間加熱して加水分解を行った。その後、70~90℃で加熱した反応容器中にジメチルクロロシラン41.6g(0.44mol)を徐々に滴下し、4時間加熱して加水分解を行った。加水分解終了後、室温まで冷却し、25wt%水酸化ナトリウム水溶液1.92g(12.0mmol)と炭酸カルシウム0.25g(2.5mmol)を加えることで酸を中和した後、デカメチルシクロペンタシロキサン140gを添加して120℃まで加熱することで加水分解により生成したエタノール、イソプロパノール、過剰の水を除去した。完全な溶媒の留去を確認後、150℃で5時間加熱して縮合反応を行った。更にデカメチルシクロペンタシロキサンで希釈した後、濾過することにより、ヒドロシリル基含有有機ケイ素樹脂の50%デカメチルシクロペンタシロキサン溶液300gを得た。得られたヒドロシリル基含有有機ケイ素樹脂のデカメチルシクロペンタシロキサン溶液300gを減圧下で120~130℃に加熱し、デカメチルシクロペンタシロキサンを除去することにより、(Me3SiO1/2)27.0(HMe2SiO1/2)19.1(SiO2)52.2で表される粉末状のヒドロシリル基含有有機ケイ素樹脂(重量平均分子量6600)130gを得た(平均組成式(6)中、a=0.31,b=0.22,c=0.60,d=0)。また、水素ガス発生量を測定したところ64.3mL/gであった(水素ガス発生量の理論値:65.8mL/g)。更に、生成物のSi-NMR分析において、-10~-20ppmのピークの積分値は全ケイ素の積分値の合計に対して、0.7%であった。
ヘキサメチルジシロキサン20g(0.12mol)、SiO2分を40%含むエチルポリシリケート180g(エチルポリシリケート中、SiO2分が1.2mol※)、デカメチルシクロペンタシロキサン150gを反応容器に仕込み、メタンスルホン酸(12.5mmol)を1.2g添加して10~20℃に冷却し、攪拌しながら水42.6gを滴下した。滴下終了後、70~90℃で6時間加熱して加水分解を行う。その後、70~90℃で加熱した反応容器中にテトラメチルジシロキサン55g(0.41mol)を徐々に滴下し、4時間加熱して加水分解を行った。加水分解終了後、室温まで冷却し、25wt%水酸化ナトリウム水溶液1.92g(12.0mmol)と炭酸カルシウム0.25g(2.5mmol)を加えることで酸を中和した後、120℃まで加熱することで加水分解により生成したエタノール、過剰の水を除去した。完全な溶媒の留去を確認後、150℃で5時間加熱して縮合反応を行った。更にデカメチルシクロペンタシロキサンで希釈した後、濾過することにより、ヒドロシリル基含有有機ケイ素樹脂の50%デカメチルシクロペンタシロキサン溶液315gを得た。得られたヒドロシリル基含有有機ケイ素樹脂のデカメチルシクロペンタシロキサン溶液315gを減圧下で120~130℃に加熱し、デカメチルシクロペンタシロキサンを除去することにより、(Me3SiO1/2)9.0(HMe2SiO1/2)30.8(SiO2)45.1で表される粉末状のヒドロシリル基含有有機ケイ素樹脂(重量平均分子量5500)145gを得た(平均組成式(6)中、a=0.12,b=0.41,c=0.60,d=0)。また、水素ガス発生量を測定したところ121.8mL/gであった(水素ガス発生量の理論値:123.5mL/g)。更に、生成物のSi-NMR分析において、-10~-20ppmのピークの積分値は全ケイ素の積分値の合計に対して、0.9%であった。
ヘキサメチルジシロキサン50g(0.31mol)、SiO2分を40%含むエチルポリシリケート180g(エチルポリシリケート中、SiO2分が1.2mol※)、イソプロパノール80gを反応容器に仕込み、メタンスルホン酸を1.2g(12.5mmol)添加して10~20℃に冷却し、攪拌しながら水42.6g(2.36mol)を滴下した。滴下終了後、70~90℃で6時間加熱して加水分解を行う。その後、室温(25℃)まで冷却した反応容器中にテトラメチルジシロキサン30g(0.22mol)を徐々に滴下し、40~50℃で4時間加熱して加水分解を行う。加水分解終了後、室温まで冷却し、25wt%水酸化ナトリウム水溶液1.92g(12.0mmol)と炭酸カルシウム0.25g(2.5mmol)を加えることで酸を中和した後、デカメチルシクロペンタシロキサン140gを添加して120℃まで加熱することで加水分解により生成したエタノール、イソプロパノール、過剰の水を除去した。完全な溶媒の留去を確認後、150℃で5時間加熱して縮合反応を行った。更にデカメチルシクロペンタシロキサンで希釈した後、濾過することにより、ヒドロシリル基含有有機ケイ素樹脂の50%デカメチルシクロペンタシロキサン溶液320gを得た。得られたヒドロシリル基含有有機ケイ素樹脂のデカメチルシクロペンタシロキサン溶液320gを減圧下で120~130℃に加熱し、デカメチルシクロペンタシロキサンを除去することにより、(Me3SiO1/2)23.7(HMe2SiO1/2)16.8(SiO2)45.9で表される粉末状のヒドロシリル基含有有機ケイ素樹脂(重量平均分子量5800)145gを得た(平均組成式(6)中、a=0.31,b=0.22,c=0.6,d=0)。また、水素ガス発生量を測定したところ65.3mL/gであった(水素ガス発生量の理論値:65.8mL/g)。更に、生成物のSi-NMR分析において、-10~-20ppmのピークの積分値は全ケイ素の積分値の合計に対して、0.06%であった。
ヘキサメチルジシロキサン50g(0.31mol)、SiO2分を40%含むエチルポリシリケート180g(エチルポリシリケート中、SiO2分が1.2mol※)、イソプロパノール80gを反応容器に仕込み、メタンスルホン酸を1.2g(12.5mmol)添加して10~20℃に冷却し、攪拌しながら水42.6g(2.36mol)を滴下した。滴下終了後、70~90℃で6時間加熱して加水分解を行う。その後、室温まで冷却した反応容器中にテトラメチルジシロキサン30g(0.22mol)を徐々に滴下し、40~50℃で4時間加熱して加水分解を行った。加水分解終了後、室温まで冷却し、25wt%水酸化ナトリウム水溶液2.35g(14.7mmol)と炭酸カルシウム0.25g(2.5mmol)を加えることで酸を中和した後、デカメチルシクロペンタシロキサン140gを添加して120℃まで加熱することで加水分解により生成したエタノール、イソプロパノール、過剰の水を除去した。完全な溶媒の留去を確認後、150℃で5時間加熱して縮合反応を行った。更にデカメチルシクロペンタシロキサンで希釈した後、濾過することにより、ヒドロシリル基含有有機ケイ素樹脂の50%デカメチルシクロペンタシロキサン溶液320gを得た。得られたヒドロシリル基含有有機ケイ素樹脂のデカメチルシクロペンタシロキサン溶液320gを減圧下で120~130℃に加熱し、デカメチルシクロペンタシロキサンを除去することにより、(Me3SiO1/2)55.2(HMe2SiO1/2)39.2(SiO2)106.8で表される粉末状のヒドロシリル基含有有機ケイ素樹脂(重量平均分子量13500)145gを得た(平均組成式(6)中、a=0.31,b=0.22,c=0.60,d=0)。また、水素ガス発生量を測定したところ65.1mL/gであった(水素ガス発生量の理論値:65.8mL/g)。更に、生成物のSi-NMR分析において、-10~-20ppmのピークの積分値は全ケイ素の積分値の合計に対して、0.08%であった。
ヘキサメチルジシロキサン50g(0.31mol)、テトラメチルジシロキサン30g(0.22mol)、SiO2分を40%含むエチルポリシリケート180g(エチルポリシリケート中、SiO2分が1.2mol※)、イソプロパノール80gを反応容器に仕込み、メタンスルホン酸を1.2g(12.5mmol)添加して10~20℃に冷却し、攪拌しながら水42.6g(2.36mol)を滴下した。滴下終了後、70~90℃で6時間加熱して加水分解を行う。加水分解終了後、室温まで冷却し、25wt%水酸化ナトリウム水溶液1.92g(12.0mmol)と炭酸カルシウム0.25g(2.5mmol)を加えることで酸を中和した後、デカメチルシクロペンタシロキサン140gを添加して120℃まで加熱することで加水分解により生成したエタノール、イソプロパノール、過剰の水を除去した。完全な溶媒の留去を確認後、150℃で5時間加熱した。更にデカメチルシクロペンタシロキサンで希釈した後、濾過することにより、ヒドロシリル基含有有機ケイ素樹脂の50%デカメチルシクロペンタシロキサン溶液320gを得た。得られたヒドロシリル基含有有機ケイ素樹脂のデカメチルシクロペンタシロキサン溶液320gを減圧下で120~130℃に加熱し、デカメチルシクロペンタシロキサンを除去することにより、平均組成式(Me3SiO1/2)25.7(HMe2SiO1/2)18.3(SiO2)49.8で表される粉末状のヒドロシリル基含有有機ケイ素樹脂(重量平均分子量6300)150gを得た。また、水素ガス発生量を測定したところ61.1mL/gであった(水素ガス発生量の理論値:65.8mL/g)。更に、生成物のSi-NMR分析において、-10~-20ppmのピークの積分値は全ケイ素の積分値の合計に対して、3.6%であった。
Claims (6)
- ヒドロシリル基含有有機ケイ素樹脂の製造方法であって、
下記一般式(1)及び下記一般式(2)で表される有機ケイ素化合物のうち1種又は2種以上と、下記一般式(3)で表される加水分解性シラン、該加水分解性シランの部分加水分解縮合物又は前記加水分解性シランの金属塩のいずれか1種以上、との混合物を酸触媒下で加水分解後、
R1 3SiOSiR1 3 (1)
R1 3SiX1 (2)
(式中、R1は互いに同一又は異種の非置換又は置換一価炭化水素基を示す。また、X1は加水分解性を有する官能基を示す。)
SiX2 4 (3)
(式中、X2は加水分解性を有する官能基を示す。)
下記一般式(4)及び(5)で表されるヒドロシリル基含有有機ケイ素化合物のうち1種又は2種以上を添加し再度加水分解を行い、
HnR2 3-nSiOSiR2 3-nHn (4)
HnR2 3-nSiX3 (5)
(式中、R2は互いに同一又は異種の非置換又は置換一価炭化水素基を示す。また、X3は加水分解性を有する官能基を示す。さらに1≦n≦3である。)
その後、前記酸触媒のモル当量より多い塩基触媒を添加することで中和し、
その後、縮合することにより、
下記平均組成式(6)で表される、Q単位(SiO2),M単位((R1 3SiO1/2)及び(HnR2 3-nSiO1/2))を必須成分とした、溶剤の無い状態では性状が固形状であるヒドロシリル基含有有機ケイ素樹脂を製造することを特徴とするヒドロシリル基含有有機ケイ素樹脂の製造方法。
(R1 3SiO1/2)a(HnR2 3-nSiO1/2)b(SiO2)c(R4SiO3/2)d (6)
(式中、R1、R2、nは上記と同様である。R4は、非置換又は置換一価炭化水素基を示す。また、0<a≦1.5,0.2≦b≦1.5,0<c≦1、0≦d≦1.5、0.5≦a+b/c≦1.0である。) - 前記製造されたヒドロシリル基含有有機ケイ素樹脂の29Si-NMR分析において、-10~-20ppmのピークの積分値が全ケイ素の積分値の合計に対して、1.0%以下であることを特徴とする請求項1に記載のヒドロシリル基含有有機ケイ素樹脂の製造方法。
- 前記製造されたヒドロシリル基含有有機ケイ素樹脂の29Si-NMR分析において、-10~-20ppmのピークの積分値が全ケイ素の積分値の合計に対して、0.1%以下であることを特徴とする請求項1に記載のヒドロシリル基含有有機ケイ素樹脂の製造方法。
- 前記一般式(1)及び(2)で表される有機ケイ素化合物のうち1種又は2種以上と、前記一般式(3)で表される加水分解性シラン、該加水分解性シランの部分加水分解縮合物又は前記加水分解性シランの金属塩のいずれか1種以上、との混合物を酸触媒下で加水分解後、加水分解物の温度を25℃まで冷却し、前記ヒドロシリル基含有有機ケイ素化合物を添加した後に、使用するヒドロシリル基含有有機ケイ素化合物の沸点未満で再度の加水分解を行うことを特徴とする請求項1~3のいずれか一項に記載のヒドロシリル基含有有機ケイ素樹脂の製造方法。
- 前記塩基触媒による中和において、強塩基触媒として水酸化ナトリウム、弱塩基触媒として炭酸カルシウムを併用して用いることを特徴とする請求項1~4のいずれか一項に記載のヒドロシリル基含有有機ケイ素樹脂の製造方法。
- 前記一般式(1)及び(2)で表される有機ケイ素化合物の1種又は2種以上と、前記一般式(3)で表される加水分解性シラン、該加水分解性シランの部分加水分解縮合物又は前記加水分解性シランの金属塩のいずれか1種以上、との混合物の加水分解前、又は該加水分解後で前記再度の加水分解前に、下記一般式(7)
(R3O)3SiR4 (7)
(式(7)中、R4は上記と同様である。R3はそれぞれ互いに同一又は異種の非置換又は置換一価炭化水素基を示す。)
で示される有機ケイ素化合物の1種又は2種以上の混合物をさらに添加することで、前記平均組成式(6)で表される(ただし、前記平均組成式(6)中、dは0<d≦1.5である)、溶剤の無い状態では粉末状態であるヒドロシリル基含有有機ケイ素樹脂を製造することを特徴とする請求項1~5のいずれか一項に記載のヒドロシリル基含有有機ケイ素樹脂の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16855088.7A EP3363847B1 (en) | 2015-10-16 | 2016-09-14 | Method for producing hydrosilyl-group-containing organic silicon resin |
US15/767,337 US10590242B2 (en) | 2015-10-16 | 2016-09-14 | Method for producing hydrosilyl group-containing organic silicon resin |
CN201680059705.8A CN108137812B (zh) | 2015-10-16 | 2016-09-14 | 含氢硅烷基有机硅树脂的制造方法 |
KR1020187010604A KR102132813B1 (ko) | 2015-10-16 | 2016-09-14 | 하이드로실릴기 함유 유기 규소 수지의 제조방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015-204824 | 2015-10-16 | ||
JP2015204824A JP6875063B2 (ja) | 2015-10-16 | 2015-10-16 | ヒドロシリル基含有有機ケイ素樹脂の製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017064831A1 true WO2017064831A1 (ja) | 2017-04-20 |
Family
ID=58518083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2016/004169 WO2017064831A1 (ja) | 2015-10-16 | 2016-09-14 | ヒドロシリル基含有有機ケイ素樹脂の製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10590242B2 (ja) |
EP (1) | EP3363847B1 (ja) |
JP (1) | JP6875063B2 (ja) |
KR (1) | KR102132813B1 (ja) |
CN (1) | CN108137812B (ja) |
WO (1) | WO2017064831A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6994438B2 (ja) * | 2018-07-11 | 2022-01-14 | 信越化学工業株式会社 | 架橋型有機ケイ素樹脂及びその製造方法、ならびに化粧料 |
CN110982073A (zh) * | 2019-12-25 | 2020-04-10 | 四川晨光博达新材料有限公司 | 一种制备单一分子量mq硅树脂的方法 |
JP7503028B2 (ja) | 2021-07-09 | 2024-06-19 | 信越化学工業株式会社 | 架橋型有機ケイ素樹脂及びその製造方法、ならびに化粧料 |
CN117303381B (zh) * | 2023-11-29 | 2024-04-05 | 乌镇实验室 | 一种二氧化硅气凝胶的绿色制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS638421A (ja) * | 1986-06-28 | 1988-01-14 | ダウ・コ−ニング・リミテッド | シロキサン樹脂およびそれを製造する方法 |
JPH07188415A (ja) * | 1993-11-04 | 1995-07-25 | Wacker Chemie Gmbh | Si結合水素含有オルガノポリシロキサンの製造方法 |
JPH07228701A (ja) * | 1994-02-18 | 1995-08-29 | Toray Dow Corning Silicone Co Ltd | ケイ素原子結合水素原子含有シリコーン樹脂の製造方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19603357B4 (de) | 1995-02-10 | 2004-09-23 | General Electric Co. | Siloxysilicatharze geringer Viskosität mit organischen, funktionellen Gruppen |
US6143855A (en) | 1997-04-21 | 2000-11-07 | Alliedsignal Inc. | Organohydridosiloxane resins with high organic content |
EP1010714B1 (en) | 1998-12-15 | 2006-04-12 | General Electric Company | Method for making functionalized siloxanes, compositions containing such siloxanes and articles made therefrom |
US20030176614A1 (en) | 2000-06-30 | 2003-09-18 | Nigel Hacker | Organohydridosiloxane resins with high organic content |
US7834119B2 (en) * | 2002-04-18 | 2010-11-16 | Lg Chem, Ltd. | Organic silicate polymer and insulation film comprising the same |
JP2004359756A (ja) | 2003-06-03 | 2004-12-24 | Wacker Asahikasei Silicone Co Ltd | Led用封止剤組成物 |
WO2005111149A1 (ja) * | 2004-05-14 | 2005-11-24 | Dow Corning Toray Co., Ltd. | オルガノポリシロキサン樹脂硬化物からなる独立フィルム、その製造方法および積層フィルム |
PL376014A1 (pl) * | 2005-06-30 | 2007-01-08 | General Electric Company | Sposób syntezy diorganosilanów drogą dysproporcjonowania hydrydosiloksanów |
KR100902852B1 (ko) | 2006-04-24 | 2009-06-16 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 실리콘제 렌즈 및 렌즈 성형용 실리콘 수지 조성물 |
US8586203B2 (en) | 2009-05-20 | 2013-11-19 | Universal Display Corporation | Metal complexes with boron-nitrogen heterocycle containing ligands |
JP5281603B2 (ja) | 2010-03-05 | 2013-09-04 | 新日鉄住金化学株式会社 | 液状エポキシシリコーン樹脂組成物 |
EP2579275B1 (en) | 2010-06-03 | 2020-04-08 | LS Cable Ltd. | Insulated electric wire |
MY160815A (en) | 2010-11-02 | 2017-03-31 | Henkel Ag & Co Kgaa | Hydrosilicone resin and preparation process thereof |
KR20140024339A (ko) | 2011-05-03 | 2014-02-28 | 다우 코닝 코포레이션 | Mt-프로필 실록산 수지를 형성하는 방법 |
JP6073213B2 (ja) * | 2013-01-29 | 2017-02-01 | 信越化学工業株式会社 | ポリオルガノシロキサンの製造方法及び新規オルガノポリシロキサン |
JP6004581B2 (ja) | 2013-03-25 | 2016-10-12 | 日本化薬株式会社 | エポキシ基含有シリコーン樹脂、エポキシ基含有シリコーン樹脂組成物、及びその硬化物 |
-
2015
- 2015-10-16 JP JP2015204824A patent/JP6875063B2/ja active Active
-
2016
- 2016-09-14 KR KR1020187010604A patent/KR102132813B1/ko active IP Right Grant
- 2016-09-14 US US15/767,337 patent/US10590242B2/en active Active
- 2016-09-14 CN CN201680059705.8A patent/CN108137812B/zh active Active
- 2016-09-14 WO PCT/JP2016/004169 patent/WO2017064831A1/ja active Application Filing
- 2016-09-14 EP EP16855088.7A patent/EP3363847B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS638421A (ja) * | 1986-06-28 | 1988-01-14 | ダウ・コ−ニング・リミテッド | シロキサン樹脂およびそれを製造する方法 |
JPH07188415A (ja) * | 1993-11-04 | 1995-07-25 | Wacker Chemie Gmbh | Si結合水素含有オルガノポリシロキサンの製造方法 |
JPH07228701A (ja) * | 1994-02-18 | 1995-08-29 | Toray Dow Corning Silicone Co Ltd | ケイ素原子結合水素原子含有シリコーン樹脂の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR102132813B1 (ko) | 2020-07-10 |
EP3363847A1 (en) | 2018-08-22 |
US20180298148A1 (en) | 2018-10-18 |
EP3363847B1 (en) | 2020-03-04 |
CN108137812B (zh) | 2021-05-28 |
KR20180071263A (ko) | 2018-06-27 |
US10590242B2 (en) | 2020-03-17 |
JP6875063B2 (ja) | 2021-05-19 |
JP2017075283A (ja) | 2017-04-20 |
EP3363847A4 (en) | 2019-05-08 |
CN108137812A (zh) | 2018-06-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Robeyns et al. | Synthesis, characterization and modification of silicone resins: An “Augmented Review” | |
US8138294B2 (en) | Process for preparing branched Si-H functional polysiloxanes and use thereof for preparing liquid SiC- or SiOC-linked, branched modified organomodified polysiloxanes | |
JP5406846B2 (ja) | SiH官能性分岐ポリシロキサンの調製方法ならびにSiCおよびSiOC結合を有する有機変性分岐ポリシロキサンを調製するためのその使用 | |
EP3543304B1 (en) | Organofunctional siloxanes, method for its preparation and use for the treatment of fillers and surfaces | |
JP5603237B2 (ja) | 硬化性シリコーンラバー組成物および硬化したシリコーンラバー組成物ならびに官能性シリカを用いるそれらの調製方法 | |
KR102132813B1 (ko) | 하이드로실릴기 함유 유기 규소 수지의 제조방법 | |
JPH08208840A (ja) | シリコーンレジン、これを含む組成物およびその硬化方法 | |
US5977243A (en) | Organosilicon compounds, processes for their preparation, and their use in crosslinkable organopolysiloxane compositions | |
JP6213123B2 (ja) | シリカ粒子を含む硬化性組成物およびその硬化物、並びにそれを用いた半導体封止材 | |
EP0389137B1 (en) | Siloxane resins and method for making them | |
US9221848B2 (en) | Method of forming an MT-propyl siloxane resin | |
CN115386087B (zh) | 一种可氢硅烷化自交联自扩链的线性聚硅氧烷及其制备方法 | |
JPH01236249A (ja) | 発泡性シリコーンゴム組成物 | |
US5283308A (en) | Neutralization of polyorganosiloxanes using triorganosilanes and curable compositions containing said polyorganosiloxanes | |
EP1010714B1 (en) | Method for making functionalized siloxanes, compositions containing such siloxanes and articles made therefrom | |
Baney et al. | Polysilsesquioxanes | |
JPH0827272A (ja) | 有機ケイ素樹脂の製造方法 | |
Sprung | Recent progress in silicone chemistry. I. Hydrolysis of reactive silane intermediates | |
JP2024512860A (ja) | シロキサンで官能化されたシリカ | |
JP3801529B2 (ja) | 親水性シリコーンゴム組成物 | |
WO2002018393A2 (en) | Process for making oligomeric polyalkoxysiloxanes, novel tetramethoxysilane oligomer, and uses therefor | |
JP2006282821A (ja) | 有機変性シリコーンの製造方法 | |
JP2003147080A (ja) | アミノ基含有ポリシロキサンの製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 16855088 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15767337 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 20187010604 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2016855088 Country of ref document: EP |