Patent US4923948A successfully refreshed from Google Patents.
US4923948A
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Curable composition
Assignee: JSR Corp
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Filing: 1988-09-22
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Granted: 1990-05-08
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Expires: 2008-09-22
Abstract
Abstract A curable composition comprising (a) an amic acid compound and/or an imide compound each containing a silicon atom having at least one hydrolyzable group and (b) an organosilane compound represented by the formula (I): ##STR1## wherein R 1 -R 6 , which may be the same or different, are alkyl groups of 1-10 carbon atoms or aryl groups of 6-10 carbon atoms. Said composition is suitably used for the formation of a protective film for a transparent substrate or a color filter in liquid crystal display devices.
Inventors
- 👤 Yasuo Matsuki
- 👤 Yosinobu Kariya
- 👤 Masayuki Endo
- 👤 Hiroharu Ikeda
- 👤 Yoshihiro Hosaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:20
CPC Classifications
C; C08; C08L; C08L79/00; C08L79/04; C08L79/08; C08G; C08G73/00; C08G73/06; C08G73/10; C08G73/1057; C08G73/106; C08G77/00; C08G77/48; C08G77/54; G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/133345; G02F1/1335; G02F1/133509; G02F1/133514; G02F1/133519
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
298 words
A curable composition comprising the following components (a) and (b): (a) (A) a reaction product of a tetracarboxylic acid anhydride with a silicon compound selected from the group consisting of the following compounds of formulas (1) to (6): ##STR10## wherein R, R' and R", which may be the same of different, are aliphatic hydrocarbon groups of 1-5 carbon atoms or aromatic hydrocarbon groups of 6-18 carbon atoms; X 1 , X 2 and X 3 , which may be the same or different, are alkoxy groups of 1-5 carbon atoms or halogen atoms; Y is a divalent aliphatic hydrocarbon group of 1-5 carbon atoms or a divalent aromatic hydrocarbon group of 6-10 carbon atoms or a group in which the divalent aliphatic hydrocarbon group is bonded to the divalent aromatic hydrocarbon group, or (B) a reaction product of a diamino compound with a silicon atom-containing dicarboxylic acid anhydride selected from the group consisting of the following compounds represented by formulas (7) to (9): ##STR11## wherein R and R', which may be the same or different, are aliphatic hydrocarbon groups of 1-5 carbon atoms or aromatic hydrocarbon groups of 6-18 carbon atoms, and wherein X 1 , X 2 and X 3 , which may be the same or different, are alkoxy groups of 1-5 carbon atoms or halogen atoms, and Y, is a trivalent aliphatic hydrocarbon group of 2-20 carbon atoms, a trivalent alicyclic hydrocarbon group of 3-20 carbon atoms, a trivalent aromatic hydrocarbon group of 6-20 carbon atoms, or a trivalent group wherein these groups are bonded to one another; (b) an organosilane compound represented by the formula (I): ##STR12## wherein R 1 -R 6 , which may be the same or different, are alkyl groups of 1-10 carbon atoms or aryl groups of 6-10 carbon atoms.
Claim 2
Dependent Claim
298 words
A curable composition comprising the following components (a) and (b): (a) (A) a reaction product of a tetracarboxylic acid anhydride with a silicon compound selected from the group consisting of the following compounds of formulas (1) to (6): ##STR10## wherein R, R' and R", which may be the same of different, are aliphatic hydrocarbon groups of 1-5 carbon atoms or aromatic hydrocarbon groups of 6-18 carbon atoms; X 1 , X 2 and X 3 , which may be the same or different, are alkoxy groups of 1-5 carbon atoms or halogen atoms; Y is a divalent aliphatic hydrocarbon group of 1-5 carbon atoms or a divalent aromatic hydrocarbon group of 6-10 carbon atoms or a group in which the divalent aliphatic hydrocarbon group is bonded to the divalent aromatic hydrocarbon group, or (B) a reaction product of a diamino compound with a silicon atom-containing dicarboxylic acid anhydride selected from the group consisting of the following compounds represented by formulas (7) to (9): ##STR11## wherein R and R', which may be the same or different, are aliphatic hydrocarbon groups of 1-5 carbon atoms or aromatic hydrocarbon groups of 6-18 carbon atoms, and wherein X 1 , X 2 and X 3 , which may be the same or different, are alkoxy groups of 1-5 carbon atoms or halogen atoms, and Y, is a trivalent aliphatic hydrocarbon group of 2-20 carbon atoms, a trivalent alicyclic hydrocarbon group of 3-20 carbon atoms, a trivalent aromatic hydrocarbon group of 6-20 carbon atoms, or a trivalent group wherein these groups are bonded to one another; (b) an organosilane compound represented by the formula (I): ##STR12## wherein R 1 -R 6 , which may be the same or different, are alkyl groups of 1-10 carbon atoms or aryl groups of 6-10 carbon atoms.
Claim 3
Dependent Claim
35 words
The curable composition according to claim 1, wherein the proportion of the component (b) is 5-200 moles per gram equivalent of the total of the carboxyl groups and the imide groups in the component (a).
Claim 4
Dependent Claim
33 words
The curable composition according to claim 1, wherein the component (a) is the reaction product (A), and the molar ratio of the tetracarboxylic acid dianhydride to the silicon compound is 1/1 to 1/3.
Claim 5
Dependent Claim
35 words
The curable composition according to claim 1, wherein the component (a) is the reaction product (B), and the molar ratio of the diamino compound to the silicon atom-containing dicarboxylic acid anhydride is 1/1 to 1/3.
Claim 6
Dependent Claim
43 words
The curable composition according to claim 1, wherein the organosilane compound of the formula (I) is at least one member selected from the group consisting of hexamethyldisilazane, hexaethyldisilazane, hexapropyldisilazane, hexa-n-butyldisilazane, hexa-n-pentyldisilazane, ethylpentamethyldisilazane, diethyltetramethyl-disilazane, trimethyltriethyldisilazane, n-propylpentamethyldisilazane, di-n-propyltetramethyldisilazane, tri-n-propyltrimethyldisilazane, tetramethyldiphenyldisilazane, trimethyltriphenyldisilazane, dimethyltetraphenyldisilazane, triethyltritolyldisilazane and pentamethylα-naphthyldisilazane.
Claim 7
Dependent Claim
231 words
A process for producing an amic acid compound which comprises partially hydrolyzing a silicon compound selected from the group consisting of the following compounds of formulas (1) to (6): ##STR13## wherein R, R', and R", which may be the same or different, are aliphatic hydrocarbon groups of 1-5 carbon atoms or aromatic hydrocarbon groups of 6-18 carbon atoms; X 1 , X 2 and X 3 , which may be the same or different, are alkoxy groups of 1-5 carbon atoms or halogen atoms; Y is a divalent aliphatic hydrocarbon group of 1-5 carbon atoms or a divalent aromatic hydrocarbon group of 6-10 carbon atoms or a group in which the divalent aliphatic hydrocarbon group is bonded to the divalent aromatic hydrocarbon group in the presence of at least one compound selected from the group consisting of organosilane compounds represented by the formula (I): ##STR14## wherein R 1 -R 6 , which may be the same or different, are alkyl groups of 1-10 carbon atoms or aryl groups of 6-10 carbon atoms and organosilane compounds represented by the formula (II): R.sup.7.sub.n Si(OR.sup.8).sub.4-n ( 11) wherein R 7 is an organic group of 1-8 carbon atoms, R 8 is an alkyl group of 1-4 carbon atoms or an acyl group of 1-4 carbon atoms, and n is an integer of 1-3, and reacting the resulting partial hydrolyzate with a tetracarboxylic acid dianhydride.
Claim 8
Dependent Claim
231 words
A process for producing an amic acid compound which comprises partially hydrolyzing a silicon compound selected from the group consisting of the following compounds of formulas (1) to (6): ##STR13## wherein R, R', and R", which may be the same or different, are aliphatic hydrocarbon groups of 1-5 carbon atoms or aromatic hydrocarbon groups of 6-18 carbon atoms; X 1 , X 2 and X 3 , which may be the same or different, are alkoxy groups of 1-5 carbon atoms or halogen atoms; Y is a divalent aliphatic hydrocarbon group of 1-5 carbon atoms or a divalent aromatic hydrocarbon group of 6-10 carbon atoms or a group in which the divalent aliphatic hydrocarbon group is bonded to the divalent aromatic hydrocarbon group in the presence of at least one compound selected from the group consisting of organosilane compounds represented by the formula (I): ##STR14## wherein R 1 -R 6 , which may be the same or different, are alkyl groups of 1-10 carbon atoms or aryl groups of 6-10 carbon atoms and organosilane compounds represented by the formula (II): R.sup.7.sub.n Si(OR.sup.8).sub.4-n ( 11) wherein R 7 is an organic group of 1-8 carbon atoms, R 8 is an alkyl group of 1-4 carbon atoms or an acyl group of 1-4 carbon atoms, and n is an integer of 1-3, and reacting the resulting partial hydrolyzate with a tetracarboxylic acid dianhydride.
Claim 9
Dependent Claim
134 words
A process for producing an amic acid compound which comprises reacting a silicon atom-containing dicarboxylic acid anhydride selected from the group consisting of the following compounds represented by formulas (7) to (9): ##STR15## wherein R and R', which may be the same or different, are aliphatic hydrocarbon groups of 1-5 carbon atoms or aromatic hydrocarbon groups of 6-18 carbon atoms, and wherein X 1 , X 2 and X 3 , which may be the same or different, are alkoxy groups of 1-5 carbon atoms or halogen atoms, and Y, is a trivalent aliphatic hydrocarbon group of 2-20 carbon atoms, a trivalent alicyclic hydrocarbon group of 3-20 carbon atoms, a trivalent aromatic hydrocarbon group of 6-20 carbon atoms, or a trivalent group wherein these groups are bonded to one another with a diamino compound.
Claim 10
Dependent Claim
134 words
A process for producing an amic acid compound which comprises reacting a silicon atom-containing dicarboxylic acid anhydride selected from the group consisting of the following compounds represented by formulas (7) to (9): ##STR15## wherein R and R', which may be the same or different, are aliphatic hydrocarbon groups of 1-5 carbon atoms or aromatic hydrocarbon groups of 6-18 carbon atoms, and wherein X 1 , X 2 and X 3 , which may be the same or different, are alkoxy groups of 1-5 carbon atoms or halogen atoms, and Y, is a trivalent aliphatic hydrocarbon group of 2-20 carbon atoms, a trivalent alicyclic hydrocarbon group of 3-20 carbon atoms, a trivalent aromatic hydrocarbon group of 6-20 carbon atoms, or a trivalent group wherein these groups are bonded to one another with a diamino compound.
References Cited (Backward Citations)
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