JP2008280420A5

JP2008280420A5 -

Info

Publication number: JP2008280420A5
Application number: JP2007125074A
Authority: JP
Filing date: 2007-05-09
Publication date: 2010-06-24
Anticipated expiration: 2027-05-09

Claims

A crosslinkable siloxane polymer obtained from a silicon compound represented by the following general formula (1) and a crosslinkable silicon compound having 3 or more groups or atoms that cause a condensation reaction with a hydroxyl group in the silicon compound.

(In the general formula (1), m independently represents an integer of 0 to 30; n represents an integer of 1 to 1,000; R ⁰ independently represents any hydrogen independently halogen or carbon. Aryl which may be replaced with alkyl having 1 to 20 or cycloalkyl in which any hydrogen may be independently replaced with halogen or alkyl having 1 to 20 carbons; R ¹ and R ² are independently Alkyl having 1 to 40 carbon atoms, any hydrogen independently substituted with halogen or alkyl having 1 to 20 carbon atoms, or any hydrogen in aryl independently halogen or 1 to 20 carbon atoms represents a good arylalkyl be replaced by alkyl; in the alkyl of said C1-40, arbitrary hydrogen may be replaced by fluorine independent, arbitrary -CH ₂ May be independently replaced by -O- or cycloalkylene; in the alkyl having 1 to 20 carbon atoms which is a substituent of the aryl or arylalkyl, any hydrogen may be independently replaced by fluorine. Any —CH ₂ — may be independently replaced by —O—, cycloalkylene or phenylene; in the alkylene of the arylalkyl, the carbon number thereof is 1-10, and any hydrogen is independently Fluorine may be substituted, and any —CH ₂ — is independently —O—, —CH═CH—.
Or it may be replaced by cycloalkylene. )

The crosslinkable silicon compound is at least one selected from the group consisting of compounds represented by the following general formulas (2) to (4) and a compound containing silicon to which 3 or more hydrogen, halogen or hydroxyl groups are bonded. The crosslinkable siloxane polymer according to claim 1.
R ³ —Si (R ⁴ ) ₃ (2)
(In General Formula (2), R ³ represents alkyl having 1 to 20 carbon atoms or aryl having 6 to 30 carbon atoms, and R ⁴ independently represents halogen, acyl having 1 to 15 carbon atoms, or carbon number 1. -15 alkoxy, oxime having 1 to 15 carbon atoms, amino optionally having a substituent having 0 to 15 carbon atoms, amide optionally having a substituent having 0 to 15 carbon atoms, 0 carbon atom Represents an aminoxy optionally having -15 substituents and a vinyl alcohol residue optionally having 0-15 carbon atoms.)

(In General Formulas (3) and (4), R ⁵ and R ⁶ each independently represent an alkyl having 1 to 15 carbon atoms and an aryl having 6 to 30 carbon atoms, a represents an integer of 1 or more, and b Represents an integer of 2 or more.)

The crosslinkable siloxane polymer according to claim 2, wherein the compound represented by the general formula (2) is methyltris (methylethylketoxime) silane or methyltriacetoxysilane.

Wherein R ⁰ is phenyl, crosslinking siloxane polymers of claims 1 to 3, wherein said R ¹ and R ² are methyl.

A crosslinkable composition comprising a silicon compound represented by the following general formula (1) and a crosslinkable silicon compound having 3 or more groups or atoms that cause a condensation reaction with a hydroxyl group in the silicon compound.

(In the general formula (1), m independently represents an integer of 0 to 30; n represents an integer of 1 to 1,000; R ⁰ independently represents any hydrogen independently halogen or carbon. Aryl which may be replaced with alkyl having 1 to 20 or cycloalkyl in which any hydrogen may be independently replaced with halogen or alkyl having 1 to 20 carbons; R ¹ and R ² are independently Alkyl having 1 to 40 carbon atoms, any hydrogen independently substituted with halogen or alkyl having 1 to 20 carbon atoms, or any hydrogen in aryl independently halogen or 1 to 20 carbon atoms represents a good arylalkyl be replaced by alkyl; in the alkyl of said C1-40, arbitrary hydrogen may be replaced by fluorine independent, arbitrary -CH ₂ May be independently replaced by -O- or cycloalkylene; in the alkyl having 1 to 20 carbon atoms which is a substituent of the aryl or arylalkyl, any hydrogen may be independently replaced by fluorine. Any —CH ₂ — may be independently replaced by —O—, cycloalkylene or phenylene; in the alkylene of the arylalkyl, the carbon number thereof is 1-10, and any hydrogen is independently And may be replaced by fluorine, and any —CH ₂ — may be independently replaced by —O—, —CH═CH—, or cycloalkylene.)

The crosslinkable silicon compound is at least one selected from the group consisting of compounds represented by the following general formulas (2) to (4) and a compound containing silicon to which 3 or more hydrogen, halogen or hydroxyl groups are bonded. The crosslinkable composition according to claim 5 .
R ³ —Si (R ⁴ ) ₃ (2)
(In General Formula (2), R ³ represents alkyl having 1 to 20 carbon atoms or aryl having 6 to 30 carbon atoms, and R ⁴ independently represents halogen, acyl having 1 to 15 carbon atoms, or carbon number 1. -15 alkoxy, oxime having 1 to 15 carbon atoms, amino optionally having a substituent having 0 to 15 carbon atoms, amide optionally having a substituent having 0 to 15 carbon atoms, 0 carbon atom Represents an aminoxy optionally having -15 substituents and a vinyl alcohol residue optionally having 0-15 carbon atoms.)

The crosslinkable composition according to claim 6, wherein the compound represented by the general formula (2) is methyltris (methylethylketoxime) silane or methyltriacetoxysilane.

The crosslinkable composition according to claim 5, wherein R ⁰ is phenyl and R ¹ and R ² are methyl.

The silicone film | membrane formed by hardening | curing the film | membrane of the crosslinkable composition as described in any one of Claims 5-8 .