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US5733644A Expired / Lapsed US ⏱️ 0.0 years remaining

Curable composition and method for preparing the same

Assignee: Mitsubishi Chemical Corp
•
Filing: 1995-04-15
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Granted: 1998-03-31
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Expires: 2015-04-15
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Abstract

Abstract PCT No. PCT/JP95/00746 Sec. 371 Date Jan. 7, 1997 Sec. 102(e) Date Jan. 7, 1997 PCT Filed Apr. 15, 1995 PCT Pub. No. WO95/28445 PCT Pub. Date Oct. 26, 1995A 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 Tanaka
  • 👤 Hanako Kato
  • 👤 Takeshi Sawai
  • 👤 Nobuyuki Matsuzoe
  • 👤 Kenji Oba
  • 👤 Yukio Kajiwara
  • 👤 Hozumi Endo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 19:09
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 63 words
A curable composition comprising: an aged mixture of tetramethoxysilane and water, said water being present in an amount 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 aged mixture.
Claim 2
Dependent Claim 63 words
A curable composition comprising: an aged mixture of tetramethoxysilane and water, said water being present in an amount 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 aged mixture.
Claim 3
Independent Claim 65 words
A method for preparing a curable composition, comprising: 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
Independent Claim 65 words
A method for preparing a curable composition, comprising: 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 25 words
The method for preparing a curable composition according to claim 2, wherein the aging is carried out at a pH of from 1 to 3.
Claim 6
Dependent Claim 24 words
The method for preparing a curable composition according to claim 2, wherein a solvent other than water is present at the time of aging.
Claim 7
Dependent Claim 48 words
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 48 words
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 56 words
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 56 words
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 29 words
The curable composition according to claim 1, wherein said aged mixture contains an oligomer, wherein a monomeric tetramethoxysilane content of said aged mixture is at most 1% by weight.
Claim 12
Dependent Claim 16 words
The curable composition according to claim 1, wherein said reactive organic compound is a silane coupler.
Claim 13
Dependent Claim 31 words
The curable composition according to claim 8, wherein said silane coupler is at least one member selected from the group consisting of the following components having the following structural formulas: ##STR10##
Claim 14
Dependent Claim 19 words
The curable composition according to claim 1, further comprising a monohydric C 1 -C 3 alcohol as a solvent.
Claim 15
Dependent Claim 27 words
The curable composition according to claim 1, further comprising a curing catalyst selected from the group consisting of acetic acid, maleic acid, oxalic acid and fumaric acid.
Claim 16
Dependent Claim 12 words
An inorganic powder coated with the curable composition according to claim 1.
Claim 17
Dependent Claim 18 words
The inorganic powder according to claim 12, wherein the coated inorganic powder is aluminum hydroxide or calcium carbonate.
Claim 18
Dependent Claim 26 words
A fiber reinforced plastic obtained by mixing the inorganic powder according to claim 12 with a resin component and a reinforcing fiber, and compression-molding the mixture.
Claim 19
Dependent Claim 21 words
A coating film obtained by coating the curable composition of claim 1 onto a substrate and drying at below 100° C.
Claim 20
Dependent Claim 37 words
A transparent coating film having a thickness of at least 30 μm, which contains SiO 2 at a concentration of least 10 wt % and is not cracked by bending with a 10 mmφ bar at 180°.
Claim 21
Dependent Claim 37 words
A transparent coating film having a thickness of at least 30 μm, which contains SiO 2 at a concentration of least 10 wt % and is not cracked by bending with a 10 mmφ bar at 180°.
Claim 22
Dependent Claim 38 words
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 is not cracked by bending with a 6 mmφ bar at 180°.
Claim 23
Dependent Claim 38 words
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 is not cracked by bending with a 6 mmφ bar at 180°.
Claim 24
Dependent Claim 38 words
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 is not cracked by bending with a 3 mmφ bar at 180°.
Claim 25
Dependent Claim 38 words
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 is not cracked by bending with a 3 mmφ bar at 180°.

References Cited (Backward Citations)

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US3917648A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2001-03-30 2001-09-29 2002-03-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2005-03-30 2005-09-29 2006-03-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2009-03-30 2009-09-29 2010-03-31 $7700.00 Window Closed / Lapsed

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