US4496469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-insulating refractory material consisting alkali titanate and silicon resin
Assignee: OTSUKA KAGAKU YAKUHIN A CORPOF JAPAN KK
•
Filing: 1983-01-04
•
Granted: 1985-01-29
•
Expires: 2003-01-04
Abstract
Abstract A heat-insulating refractory coating composition or heat-insulating refractory film chiefly comprising an alkali titanate and a silicone resin, and a heat-insulating refractory sheet comprising an inorganic core material and a heat-insulating refractory layer.
Inventors
- 👤 Takuo Morimoto
- 👤 Kihachiro Nishiuchi
- 👤 Misao Izumi
- 👤 Noriyoshi Ejima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:40
CPC Classifications
C; C04; C04B; C04B30/00; C04B30/02; C04B41/00; C04B41/009; C04B26/00; C04B26/30; C04B26/32; C04B41/45; C04B41/50; C04B41/5025; C04B41/5041; C08; C08K; C08K3/00; C08K3/18; C08K3/24; C09; C09D; C09D183/00; C09D183/04; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 42
Claim 1
Independent Claim
14 words
A heat-insulating refractory material consisting essentially of an alkali titanate and a silicone resin.
Claim 2
Dependent Claim
14 words
A heat-insulating refractory material consisting essentially of an alkali titanate and a silicone resin.
Claim 3
Dependent Claim
24 words
A heat-insulating refractory material as defined in claim 1 which is a coating composition consisting essentially of an alkali titanate and a silicone resin.
Claim 4
Dependent Claim
23 words
A heat-insulating refractory material as defined in claim 1 which is a film consisting essentially of an alkali titanate and a silicone resin.
Claim 5
Dependent Claim
31 words
A heat-insulating refractory material as defined in claim 1 which is a sheet comprising an inorganic core material and a layer consisting essentially of an alkali titanate and a silicone resin.
Claim 6
Dependent Claim
52 words
A heat-insulating refractory material as defined in claim 1 wherein the alkali titanate is a compound represented by the formula M.sub.2 O.nTiO.sub.2.mH.sub.2 O wherein M is an alkali metal, n is a positive real number of up to 8, and m is 0 or a positive real number of up to 4.
Claim 7
Dependent Claim
29 words
A heat-insulating refractory material as defined in claim 5 wherein the alkali titanate is a compound represented by the formula K.sub.2 O.6TiO.sub.2.mH.sub.2 O wherein m is as defined above.
Claim 8
Dependent Claim
28 words
A heat-insulating refractory material as defined in claim 5 wherein the alkali titanate is at least 5 μm in fiber length and at least 20 in aspect ratio.
Claim 9
Dependent Claim
25 words
A heat-insulating refractory material as defined in claim 1 wherein the silicone resin is an organopolysiloxane silicone resin, polyacryloxyalkylalkoxysilane silicone resin or polyvinylsilane silicone resin.
Claim 10
Dependent Claim
55 words
A heat-insulating refractory material as defined in claim 8 wherein the organopolysiloxane silicone resin is a straight silicone resin selected from the group consisting of polydimethylsiloxane, polydiphenylsiloxane, polymethylphenylsiloxane and copolymers of these siloxanes, which have at least one of substituents including hydrogen, vinyl, allyl, hydroxyl, alkoxy having 1 to 4 carbon atoms, amino and mercapto.
Claim 11
Dependent Claim
30 words
A heat-insulating refractory material as defined in claim 8 wherein the organopolysiloxane silicone resin is a modified silicone resin obtained by reacting a straight silicone resin with an another resin.
Claim 12
Dependent Claim
26 words
A heat-insulating refractory material as defined in claim 9 wherein the polydimethylsiloxane silicone resins are those having a CH 3 /Si ratio of 1.2 to 1.8.
Claim 13
Dependent Claim
19 words
A heat-insulating refractory material as defined in claim 11 wherein the CH 3 /Si ratio is 1.3 to 1.7.
Claim 14
Dependent Claim
74 words
A heat-insulating refractory material as defined in claim 8 wherein the polyacryloxyalkylalkoxysilane silicone resin is a homopolymer of an acryloxyalkylalkoxysilane compound represented by the formula ##STR8## wherein R is a monovalent hydrocarbon group having 1 to 10 carbon atoms, R' is hydrogen or a monovalent hydrocarbon group having 1 to 12 carbon atoms, R" is a bivalent hydrocarbon group having 2 to 10 carbon atoms, and a is an integer of 1 to 3.
Claim 15
Dependent Claim
96 words
A heat-insulating refractory material as defined in claim 8 wherein the polyacryloxyalkylalkoxysilane silicone resin is a copolymer of the above acryloxyalkylalkoxysilane compound and an α,β-unsaturated compound represented by the formula ##STR9## wherein X is hydrogen, methyl or chlorine atom, Y is a member selected from the group consisting of hydrogen, chlorine atom, a monovalent hydrocarbon group having 1 to 10 carbon atoms, vinylphenyl, pyridyl, 2-oxo-1-pyrrolidinyl, cyano, ##STR10## wherein R' is as defined above, and Z is a member selected from the group consisting of --OCH 2 CH 2 OH, ##STR11## --NH 2 , N-methylol and N-alkoxymethylol.
Claim 16
Dependent Claim
46 words
A heat-insulating refractory material as defined in claim 8 wherein the polyvinylsilane silicone resin is a homopolymer of a vinylsilane compound of the formula ##STR12## wherein a is an integer of 1 to 3, B is OR' or OR"--OR' (R' and R" are as defined above).
Claim 17
Dependent Claim
40 words
A heat-insulating refractory material as defined in claim 8 wherein the polyvinylsilane silicone resin is a copolymer of the above vinylsilane compound and the above α,β-unsaturated compound represented by the formula ##STR13## wherein X and Y are as defined above.
Claim 18
Dependent Claim
31 words
A heat-insulating refractory coating composition as defined in claim 2 further comprising an inorganic compound having a high density and a high refractive index and/or an inorganic compound of platy crystal.
Claim 19
Dependent Claim
19 words
A heat-insulating refractory coating composition as defined in claim 2 further comprising a coloring agent and/or an organic solvent.
Claim 20
Dependent Claim
47 words
A heat-insulating refractory coating composition as defined in claim 17 wherein the high-density and highly refractive inorganic compound is a natural or synthetic mineral having a specific gravity of at least 2.8 and a refractive index of at least 1.50, frit, high-density glass or fused phosphate fertilizer.
Claim 21
Dependent Claim
27 words
A heat-insulating refractory coating composition as defined in claim 19 wherein the natural or synthetic mineral is dolomite, magnesite, aragonite, apatite, spinel, corundum, zircon or silicone carbide.
Claim 22
Dependent Claim
23 words
A heat-insulating refractory coating composition as defined in claim 17 wherein the inorganic compound of platy crystal is a clayey or micaceous mineral.
Claim 23
Dependent Claim
23 words
A heat-insulating refractory coating composition as defined in claim 21 wherein the inorganic compound of platy crystal is a natural or synthetic mica.
Claim 24
Dependent Claim
30 words
A heat-insulating refractory coating composition as defined in claim 2 comprising 25 to 2000 parts by weight of the silicone resin per 100 parts by weight of the alkali titanate.
Claim 25
Dependent Claim
61 words
A heat-insulating refractory coating composition as defined in claim 17 which comprises 10 to 90 parts by weight of the alkali titanate, 90 to 10 parts by weight of the inorganic compound or compounds, and 25 to 2000 parts by weight of the silicone resin per 100 parts by weight of the alkali titanate and the inorganic compound or compounds combined.
Claim 26
Dependent Claim
28 words
A heat-insulating refractory film as defined in claim 3 further comprising an inorganic compound having a high density and a high refractive index and/or an endothermic inorganic compound.
Claim 27
Dependent Claim
46 words
A heat-insulating refractory film as defined in claim 25 wherein the high-density and highly refractive inorganic compound is a natural or synthetic mineral having a specific gravity of at least 2.8 and a refractive index of at least 1.50, frit, high-density glass or fused phosphate fertilizer.
Claim 28
Dependent Claim
26 words
A heat-insulating refractory film as defined in claim 26 wherein the natural or synthetic mineral is dolomite, magnesite, aragonite, apatite, spinel, corundum, zircon or silicone carbide.
Claim 29
Dependent Claim
31 words
A heat-insulating refractory film as defined in claim 25 wherein the endothermic inorganic compounds are those which release crystal water or carbon dioxide, absorb heat on decomposition, or undergo phase conversion.
Claim 30
Dependent Claim
28 words
A heat-insulating refractory film as defined in claim 28 wherein the endothermic inorganic compound is calcined gypsum, alum, calcium carbonate, aluminum hydroxide or aluminum silicate of hydrotalcite group.
Claim 31
Dependent Claim
29 words
A heat-insulating refractory film as defined in claim 3 comprising 1 to 200 parts by weight of the alkali titanate per 100 parts by weight of the silicone resin.
Claim 32
Dependent Claim
43 words
A heat-insulating refractory film as defined in claim 25 which comprises 1 to 200 parts by weight of the alkali titanate and 0.25 to 200 parts by weight of the inorganic compound or compounds per 100 parts by weight of the silicone resin.
Claim 33
Dependent Claim
21 words
A heat-insulating refractory film as defined in claim 3 wherein the thickness of the film is 0.1 mm to 3 mm.
Claim 34
Dependent Claim
33 words
A heat-insulating refractory sheet as defined in claim 4 wherein an inorganic compound having a high density and a high refractive index and/or an endothermic inorganic compound are further incorporated in the layer.
Claim 35
Dependent Claim
46 words
A heat-insulating refractory sheet as defined in claim 33 wherein the high-density and highly refractive inorganic compound is a natural or synthetic mineral having a specific gravity of at least 2.8 and a refractive index of at least 1.50, frit, high-density glass or fused phosphate fertilizer.
Claim 36
Dependent Claim
26 words
A heat-insulating refractory sheet as defined in claim 34 wherein the natural or synthetic mineral is dolomite, magnesite, aragonite, apatite, spinel, corundum, zircon or silicone carbide.
Claim 37
Dependent Claim
31 words
A heat-insulating refractory sheet as defined in claim 33 wherein the endothermic inorganic compounds are those which release crystal water or carbon dioxide, absorb heat on decomposition, or undergo phase conversion.
Claim 38
Dependent Claim
28 words
A heat-insulating refractory sheet as defined in claim 36 wherein the endothermic inorganic compound is calcined gypsum, alum, calcium carbonate, aluminum hydroxide or aluminum silicate of hydrotalcite group.
Claim 39
Dependent Claim
29 words
A heat-insulating refractory sheet as defined in claim 4 comprising 1 to 200 parts by weight of the alkali titanate per 100 parts by weight of the silicone resin.
Claim 40
Dependent Claim
43 words
A heat-insulating refractory sheet as defined in claim 33 which comprises 1 to 200 parts by weight of the alkali titanate and 0.25 to 200 parts by weight of the inorganic compound or compounds per 100 parts by weight of the silicone resin.
Claim 41
Dependent Claim
30 words
A heat-insulating refractory sheet as defined in claim 4 wherein the inorganic core material is a glass fiber fabric, silica fiber fabric, asbestos sheet, metal foil or ceramic wool sheet.
Claim 42
Dependent Claim
20 words
A heat-insulating refractory sheet as defined in claim 4 wherein the thickness of the layer is 0.005 to 1 mm.
References Cited (Backward Citations)
CA685020A
Cited
US2841470A
Cited
US3328117A
Cited
US3455732A
Cited
US4064224A
Cited
US4179496A
Cited
US4085084A
Cited
SU876630A1
Cited
US4385158A
Cited
GB2100745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-01-29 | 1988-07-30 | 1989-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-29 | 1992-07-30 | 1993-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-29 | 1996-07-30 | 1997-01-29 | $7700.00 | Window Closed / Lapsed |