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EP0757079A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Curable composition and process for producing the same

Assignee: Mitsubishi Chemical Corp
•
Filing: 1995-04-17
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Granted: —
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Expires: 2015-04-17
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Abstract

Abstract A curable composition comprising an aged mixture of tetramethoxysilane with water added in excess of the theoretical amount sufficient for the hydrolysis and condensation of 100% of the silane and a reactive organic compound having at least two functional groups capable of condensing with the product of hydrolysis and condensation of the silane in the above mixture.

Inventors

  • 👤 Seiichiro Mitsubishi Chem. Corp. TANAKA
  • 👤 Hanako Mitsubishi Chem. Corp. KATO
  • 👤 Takeshi Mitsubishi Chem. Corp. SAWAI
  • 👤 Nobuyuki New Business Dev. Dept. MATSUZOE
  • 👤 Kenji Mitsubishi Chem. Corp. OBA
  • 👤 Yukio Mitsubishi Chem. Corp. KAJIWARA

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-01 10:47
CPC Classifications
C; C09; C09D; C09D183/00; C09D183/02; C08; C08G; C08G77/00; C08G77/04; C08G77/38; C08K; C08K5/00; C08L; C08L83/00; C08L83/02; C08L83/16; C09D183/10; C09D183/16; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967

Claims Analysis

Total Claims: 25
Claim 1
Independent Claim 59 words
1 . A curable composition comprising an aged mixture of tetramethoxysilane with water added in excess of the theoretical amount sufficient for the hydrolysis and condensation of 100% of the silane and a reactive organic compound having at least two functional groups capable of condensing with the product of hydrolysis and condensation of the silane in the above mixture.
Claim 2
Dependent Claim 59 words
1 . A curable composition comprising an aged mixture of tetramethoxysilane with water added in excess of the theoretical amount sufficient for the hydrolysis and condensation of 100% of the silane and a reactive organic compound having at least two functional groups capable of condensing with the product of hydrolysis and condensation of the silane in the above mixture.
Claim 3
Dependent Claim 68 words
2 . A method for preparing a curable composition, characterized by adding water to tetramethoxysilane in an amount in excess of the theoretical amount sufficient for the hydrolysis and condensation of 100% of the silane, aging the resultant mixture and blending a reactive organic compound having at least two functional groups capable of condensing with the product of hydrolysis and condensation of the silane in the aged mixture.
Claim 4
Dependent Claim 68 words
2 . A method for preparing a curable composition, characterized by adding water to tetramethoxysilane in an amount in excess of the theoretical amount sufficient for the hydrolysis and condensation of 100% of the silane, aging the resultant mixture and blending a reactive organic compound having at least two functional groups capable of condensing with the product of hydrolysis and condensation of the silane in the aged mixture.
Claim 5
Dependent Claim 29 words
3 . The method for preparing a curable composition according to Claim 2, characterized in that the aging is carried out at a pH of from 1 to 3.
Claim 6
Dependent Claim 30 words
4 . The method for preparing a curable composition according to Claim 2 or 3, characterized in that a solvent other than water is present at the time of aging.
Claim 7
Dependent Claim 50 words
5 . A curable composition obtained by blending a solution containing fine particles of hydrolysis-condensate of tetramethoxysilane having a radius of gyration of at most 10 Å with a reactive organic compound having at least two functional groups capable of condensing with condensation-reactive functional groups contained in said fine particles.
Claim 8
Dependent Claim 50 words
5 . A curable composition obtained by blending a solution containing fine particles of hydrolysis-condensate of tetramethoxysilane having a radius of gyration of at most 10 Å with a reactive organic compound having at least two functional groups capable of condensing with condensation-reactive functional groups contained in said fine particles.
Claim 9
Dependent Claim 58 words
6 . A curable composition obtained by blending a solution containing fine particles of hydrolysis-condensate of tetramethoxysilane having a radius of gyration of at most 10 Å with a reactive organic compound having at least two functional groups capable of condensing with condensation-reactive functional groups contained in said fine particles, and further allowing the resultant mixture to stand
Claim 10
Dependent Claim 58 words
6 . A curable composition obtained by blending a solution containing fine particles of hydrolysis-condensate of tetramethoxysilane having a radius of gyration of at most 10 Å with a reactive organic compound having at least two functional groups capable of condensing with condensation-reactive functional groups contained in said fine particles, and further allowing the resultant mixture to stand
Claim 11
Dependent Claim 30 words
7 . The curable composition according to Claim 1, 3, 4 or 5, characterized by using an oligomer, the monomer content of which is at most 1 wt%, as tetramethoxysilane.
Claim 12
Dependent Claim 24 words
8 . The curable composition according to Claim 1, 5, 6 or 7, characterized by using a silane coupler as the reactive organic compound.
Claim 13
Dependent Claim 106 words
8 . The curable composition according to Claim 8, characterized by using at least one member selected from the group consisting of the following components having the following structural formulas as the silane coupler: H 2 NC 3 H 6 Si(OC 2 H 5 ) 3 , H 2 NC 2 H 4 NHC 3 H 6 Si(OCH 3 ) 3 Si(OCH 3 ) 3 , H 2 NCONHC 3 H 6 Si(OC 2 H 5 ) 3 , CH 2 =CHSi(OC 2 H 5 ) 3 , CH 2 =CHSi(OCH 3 ) 3 , CH 2 =CHSi(OC 2 H 4 OCH 3 ) 3 .
Claim 14
Dependent Claim 27 words
9 . The curable composition according to Claim 1, 5, 6, 7 or 8, characterized by containing a monohydric C 1 -C 3 alcohol as a solvent.
Claim 15
Dependent Claim 37 words
10 . The curable composition according to Claim 1, 5, 6, 7, 8 or 9, characterized by blending at least one member selected from the group consisting of acetic acid, maleic acid, oxalic acid and fumaric acid.
Claim 16
Dependent Claim 21 words
11 . An inorganic powder coated with the curable composition according to Claim 1, 5, 6, 7, 8, 9 or 10.
Claim 17
Dependent Claim 22 words
12 . The inorganic powder according to Claim 12, characterized in that the coated inorganic powder is aluminum hydroxide or calcium carbonate.
Claim 18
Dependent Claim 31 words
13 . An FRP obtained by mixing the inorganic powder according to Claim 11 or 12 as a filler with a resin component and a reinforcing resin, and compression-molding the mixture.
Claim 19
Dependent Claim 26 words
14 . A coating film obtained by coating the curable composition of Claim 1, 5, 6, 7, 8, 9 or 10 and drying at below 100°C.
Claim 20
Dependent Claim 39 words
15 . A transparent coating film having a thickness of at least 30 µm, which contains SiO 2 at a concentration of at least 10 wt% and does not cause cracking even by bending with 10 mm⌀ at 180°C.
Claim 21
Dependent Claim 39 words
15 . A transparent coating film having a thickness of at least 30 µm, which contains SiO 2 at a concentration of at least 10 wt% and does not cause cracking even by bending with 10 mm⌀ at 180°C.
Claim 22
Dependent Claim 39 words
16 . A transparent coating film having a thickness of at least 30 µm, which contains SiO 2 at a concentration of at least 10 wt% and does not cause cracking even by bending with 6 mm⌀ at 180°C.
Claim 23
Dependent Claim 39 words
16 . A transparent coating film having a thickness of at least 30 µm, which contains SiO 2 at a concentration of at least 10 wt% and does not cause cracking even by bending with 6 mm⌀ at 180°C.
Claim 24
Dependent Claim 39 words
17 . A transparent coating film having a thickness of at least 30 µm, which contains SiO 2 at a concentration of at least 10 wt% and does not cause cracking even by bending with 3 mm⌀ at 180°C.
Claim 25
Dependent Claim 39 words
17 . A transparent coating film having a thickness of at least 30 µm, which contains SiO 2 at a concentration of at least 10 wt% and does not cause cracking even by bending with 3 mm⌀ at 180°C.

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