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US4100115A Expired / Lapsed US ⏱️ 0.0 years remaining

High-temperature insulation composite molded product

Assignee: Armstrong World Industries Inc
•
Filing: 1976-08-06
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Granted: 1978-07-11
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Expires: 1996-08-06
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Abstract

Abstract A cellular high-temperature insulation composite molded product comprising the molded and cured product obtained by preparing a mixture of (1) a dry blend of (a) expanded perlite, (b) a calcium aluminate cement, (c) a refractory clay, and (d) wollastonite, with (2) an aqueous liquid composition comprising (a) an auxiliary binder, and (b) water And molding and curing the mixture, and a method for the production of the above-described cellular high-temperature insulation composite molded product. Additional embodiments comprise use of reinforcing fibers and a surface active agent additionally in the aqueous liquid composition, generally as a foamed aqueous liquid composition and use of a chemical cement curing accelerator additionally in the aqueous liquid composition.

Inventors

  • 👤 Steven R. Baer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 20:37
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/06

Claims Analysis

Total Claims: 52
Claim 1
Independent Claim 65 words
A cellular high-temperature insulation composite molded product comprising the molded and cured product obtained by preparing a mixture of (1) a dry blend of (a) expanded perlite, (b) a calcium aluminate cement, (c) a refractory clay, and (d) wollastonite, with (2) an aqueous liquid composition comprising (a) an auxiliary binder, and (b) water and molding and curing the mixture or allowing the mixture to cure.
Claim 2
Dependent Claim 65 words
A cellular high-temperature insulation composite molded product comprising the molded and cured product obtained by preparing a mixture of (1) a dry blend of (a) expanded perlite, (b) a calcium aluminate cement, (c) a refractory clay, and (d) wollastonite, with (2) an aqueous liquid composition comprising (a) an auxiliary binder, and (b) water and molding and curing the mixture or allowing the mixture to cure.
Claim 3
Dependent Claim 47 words
The cellular high-temperature insulation composite molded product of claim 1, wherein said expanded perlite has a particle size in accordance with the following ______________________________________ U.S. Standard Cumulative % (by weight) Sieve Minimum Maximum ______________________________________ + 50 0 10 + 100 59 74 + 200 90 100 ______________________________________
Claim 4
Dependent Claim 23 words
The cellular high-temperature insulation composite molded product of claim 1, wherein said refractory clay is M & D clay, bentonite, kaolinite or montmorillonite.
Claim 5
Dependent Claim 18 words
The cellular high-temperature insulation composite molded product of claim 1, wherein said auxiliary binder is a synthetic resin.
Claim 6
Dependent Claim 24 words
The cellular high-temperature insulation composite molded product of claim 4, wherein said synthetic resin is a thermoplastic synthetic resin or a thermosetting synthetic resin.
Claim 7
Dependent Claim 26 words
The cellular high-temperature insulation composite molded product of claim 4, wherein said synthetic resin is an acrylic resin, a phenol-formaldehyde resin or a polyvinyl alcohol resin.
Claim 8
Dependent Claim 53 words
The cellular high-temperature insulation composite molded product of claim 1, wherein the respective proportions by weight of the expanded perlite, the calcium aluminate cement, the refractory clay and the wollastonite in said dry blend range from about 70 : 35 : 5 : 5 to about 130 : 70 : 25 : 40.
Claim 9
Dependent Claim 38 words
The cellular high-temperature insulation composite molded product of claim 1, wherein the respective proportions by weight of the water and the auxiliary binder in said aqueous liquid composition range from about 80 : 10 to 200 : 20.
Claim 10
Dependent Claim 35 words
The cellular high-temperature insulation composite molded product of claim 1, wherein the respective proportions by weight of said dry blend to said aqueous liquid composition range from about 1 : 3 to 1 : 0.5.
Claim 11
Dependent Claim 54 words
The cellular high-temperature insulation composite molded product of claim 1, wherein the composite molded product has a density of about 10 to 15 lb/ft 3 , a compressive strength according to ASTM C-165 of about 45 to 100 psi and a modulus of rupture according to ASTM C-203 of about 30 to 90 psi.
Claim 12
Dependent Claim 74 words
A cellular high-temperature insulation composite molded product comprising the molded and cured product obtained by preparing a mixture of (1) a dry blend of (a) expanded perlite, (b) a calcium aluminate cement, (c) a refractory clay, and (d) wollastonite, with (2) a foamed aqueous liquid composition comprising (a) an auxiliary binder, (b) water, (c) reinforcing fibers, and (d) a surface active agent and molding and curing the mixture or allowing the mixture to cure.
Claim 13
Dependent Claim 74 words
A cellular high-temperature insulation composite molded product comprising the molded and cured product obtained by preparing a mixture of (1) a dry blend of (a) expanded perlite, (b) a calcium aluminate cement, (c) a refractory clay, and (d) wollastonite, with (2) a foamed aqueous liquid composition comprising (a) an auxiliary binder, (b) water, (c) reinforcing fibers, and (d) a surface active agent and molding and curing the mixture or allowing the mixture to cure.
Claim 14
Dependent Claim 47 words
The cellular high-temperature insulation composite molded product of claim 11, wherein said expanded perlite has a particle size in accordance with the following ______________________________________ U.S. Standard Cumulative % (by weight) Sieve Minimum Maximum ______________________________________ + 50 0 10 + 100 59 74 + 200 90 100 ______________________________________
Claim 15
Dependent Claim 23 words
The cellular high-temperature insulation composite molded product of claim 11, wherein said refractory clay is M & D clay, bentonite, kaolinite or montmorillonite.
Claim 16
Dependent Claim 18 words
The cellular high-temperature insulation composite molded product of claim 11, wherein said auxiliary binder is a synthetic resin.
Claim 17
Dependent Claim 24 words
The cellular high-temperature insulation composite molded product of claim 14, wherein said synthetic resin is a thermoplastic synthetic resin or a thermosetting synthetic resin.
Claim 18
Dependent Claim 26 words
The cellular high-temperature insulation composite molded product of claim 14, wherein said synthetic resin is an acrylic resin, a phenol-formaldehyde resin or a polyvinyl alcohol resin.
Claim 19
Dependent Claim 22 words
The cellular high-temperature insulation composite molded product of claim 11, wherein said reinforcing fibers are natural fibers, synthetic fibers or mixtures thereof.
Claim 20
Dependent Claim 27 words
The cellular high-temperature insulation composite molded product of claim 11, wherein said surface active agent is a nonionic surface active agent or an anionic surface active agent.
Claim 21
Dependent Claim 53 words
The cellular high-temperature insulation composite molded product of claim 11, wherein the respective proportions by weight of the expanded perlite, the calcium aluminate cement, the refractory clay and the wollastonite in said dry blend range from about 70 : 35 : 5 : 5 to about 130 : 70 : 25 : 40.
Claim 22
Dependent Claim 54 words
The cellular high-temperature insulation composite molded product of claim 11, wherein the respective proportions by weight of the water, the auxiliary binder, the surface active agent and the reinforcing fibers in the aqueous liquid composition range from about 80 : 10 : 0.1 : 1 to about 200 : 20 : 1 : 6.
Claim 23
Dependent Claim 35 words
The cellular high-temperature insulation composite molded product of claim 11, wherein the respective proportions by weight of said dry blend to said aqueous liquid composition range from about 1 : 3 to 1 : 0.5.
Claim 24
Dependent Claim 54 words
The cellular high-temperature insulation composite molded product of claim 11, wherein the composite molded product has a density of about 10 to 15 lb/ft 3 , a compressive strength according to ASTM C-165 of about 45 to 100 psi and a modulus of rupture according to ASTM C-203 of about 30 to 90 psi.
Claim 25
Dependent Claim 22 words
The cellular high-temperature insulation composite molded product of claim 1, wherein said aqueous liquid composition further includes a chemical cement curing accelerator.
Claim 26
Dependent Claim 47 words
The cellular high-temperature insulation composite molded product of claim 23, wherein said expanded perlite has a particle size in accordance with the following ______________________________________ U.S. Standard Cumulative % (by weight) Sieve Minimum Maximum ______________________________________ + 50 0 10 + 100 59 74 + 200 90 100 ______________________________________
Claim 27
Dependent Claim 23 words
The cellular high-temperature insulation composite molded product of claim 23, wherein said refractory clay is M & D clay, bentonite, kaolinite or montmorillonite.
Claim 28
Dependent Claim 18 words
The cellular high-temperature insulation composite molded product of claim 23, wherein said auxiliary binder is a synthetic resin.
Claim 29
Dependent Claim 24 words
The cellular high-temperature insulation composite molded product of claim 26, wherein said synthetic resin is a thermoplastic synthetic resin or a thermosetting synthetic resin.
Claim 30
Dependent Claim 26 words
The cellular high-temperature insulation composite molded product of claim 26, wherein said synthetic resin is an acrylic resin, a phenol-formaldehyde resin or a polyvinyl alcohol resin.
Claim 31
Dependent Claim 28 words
The cellular high-temperature insulation composite molded product of claim 23, wherein said chemical cement curing accelerator is lithium carbonate, cured cement, Portland cement, calcium silicate or sodium silicate.
Claim 32
Dependent Claim 53 words
The cellular high-temperature insulation composite molded product of claim 23, wherein the respective proportions by weight of the expanded perlite, the calcium aluminate cement, the refractory clay and the wollastonite in said dry blend range from about 70 : 35 : 5 : 5 to about 130 : 70 : 25 : 40.
Claim 33
Dependent Claim 43 words
The cellular high-temperature insulation composite molded product of claim 23, wherein the respective proportions by weight for the water, the auxiliary binder, and the chemical cement curing accelerator range from about 80 : 10 : 0.1 to about 200 : 20 : 1.
Claim 34
Dependent Claim 35 words
The cellular high-temperature insulation composite molded product of claim 23, wherein the respective proportions by weight of said dry blend to said aqueous liquid composition range from about 1 : 3 to 1 : 0.5.
Claim 35
Dependent Claim 54 words
The cellular high-temperature insulation composite molded product of claim 23, wherein the composite molded product has a density of about 10 to 15 lb/ft 3 , a compressive strength according to ASTM C-165 of about 45 to 100 psi and a modulus of rupture according to ASTM C-203 of about 30 to 90 psi.
Claim 36
Dependent Claim 22 words
The cellular high-temperature insulation composite molded product of claim 11, wherein said aqueous liquid composition further includes a chemical cement curing accelerator.
Claim 37
Dependent Claim 47 words
The cellular high-temperature insulation composite molded product of claim 34, wherein said expanded perlite has a particle size in accordance with the following ______________________________________ U.S. Standard Cumulative % (by weight) Sieve Minimum Maximum ______________________________________ + 50 0 10 + 100 59 74 + 200 90 100 ______________________________________
Claim 38
Dependent Claim 23 words
The cellular high-temperature insulation composite molded product of claim 34, wherein said refractory clay is M & D clay, bentonite, kaolinite or montmorillonite.
Claim 39
Dependent Claim 18 words
The cellular high-temperature insulation composite molded product of claim 34, wherein said auxiliary binder is a synthetic resin.
Claim 40
Dependent Claim 24 words
The cellular high-temperature insulation composite molded product of claim 37, wherein said synthetic resin is a thermoplastic synthetic resin or a thermosetting synthetic resin.
Claim 41
Dependent Claim 26 words
The cellular high-temperature insulation composite molded product of claim 37, wherein said synthetic resin is an acrylic resin, a phenol-formaldehyde resin or a polyvinyl alcohol resin.
Claim 42
Dependent Claim 22 words
The cellular high-temperature insulation composite molded product of claim 34, wherein said reinforcing fibers are natural fibers, synthetic fibers or mixtures thereof.
Claim 43
Dependent Claim 27 words
The cellular high-temperature insulation composite molded product of claim 34, wherein said surface active agent is a nonionic surface active agent or an anionic surface active agent.
Claim 44
Dependent Claim 28 words
The cellular high-temperature insulation composite molded product of claim 34, wherein said chemical cement curing accelerator is lithium carbonate, cured cement, Portland cement, calcium silicate or sodium silicate.
Claim 45
Dependent Claim 53 words
The cellular high-temperature insulation composite molded product of claim 34, wherein the respective proportions by weight of the expanded perlite, the calcium aluminate cement, the refractory clay and the wollastonite in said dry blend range from about 70 : 35 : 5 : 5 to about 130 : 70 : 25 : 40.
Claim 46
Dependent Claim 58 words
The cellular high-temperature insulation composite molded product of claim 34, wherein the relative proportions by weight of the water, the auxiliary binder, the surface active agent, the reinforcing fibers, and the chemical cement curing accelerator range from about 80 : 10 : 0.1 : 1 : 0.1 to about 200 : 20 : 1 : 6 : 1.
Claim 47
Dependent Claim 35 words
The cellular high-temperature insulation composite molded product of claim 34, wherein the respective proportions by weight of said dry blend to said aqueous liquid composition range from about 1 : 3 to 1 : 0.5.
Claim 48
Dependent Claim 54 words
The cellular high-temperature insulation composite molded product of claim 34, wherein the composite molded product has a density of about 10 to 15 lb/ft 3 , a compressive strength according to ASTM C-165 of about 45 to 100 psi and a modulus of rupture according to ASTM C-203 of about 30 to 90 psi.
Claim 49
Independent Claim 66 words
A method of producing a cellular high-temperature insulation composite molded product which comprises preparing a mixture of (1) a dry blend of (a) expanded perlite, (b) a calcium aluminate cement, (c) a refractory clay, and (d) wollastonite, with (2) an aqueous liquid composition comprising (a) an auxiliary binder, and (b) water molding said mixture, and curing said molded mixture or allowing said molded mixture to cure.
Claim 50
Independent Claim 66 words
A method of producing a cellular high-temperature insulation composite molded product which comprises preparing a mixture of (1) a dry blend of (a) expanded perlite, (b) a calcium aluminate cement, (c) a refractory clay, and (d) wollastonite, with (2) an aqueous liquid composition comprising (a) an auxiliary binder, and (b) water molding said mixture, and curing said molded mixture or allowing said molded mixture to cure.
Claim 51
Independent Claim 107 words
A method of producing a cellular high-temperature insulation composite molded product which comprises preparing a mixture of a dry blend of (a) expanded perlite, (b) a calcium aluminate cement, (c) a refractory clay, and (d) wollastonite, adding said dry blend to a foamed aqueous liquid composition comprising (a) an auxiliary binder, (b) water, (c) reinforcing fibers, and (d) a surface active agent, said foamed aqueous liquid composition being prepared by foaming a mixture of said water, said auxiliary binder and said surface active agent and adding said reinforcing fibers during said foaming, molding said mixture, and curing said molded mixture or allowing said molded mixture to cure.
Claim 52
Independent Claim 107 words
A method of producing a cellular high-temperature insulation composite molded product which comprises preparing a mixture of a dry blend of (a) expanded perlite, (b) a calcium aluminate cement, (c) a refractory clay, and (d) wollastonite, adding said dry blend to a foamed aqueous liquid composition comprising (a) an auxiliary binder, (b) water, (c) reinforcing fibers, and (d) a surface active agent, said foamed aqueous liquid composition being prepared by foaming a mixture of said water, said auxiliary binder and said surface active agent and adding said reinforcing fibers during said foaming, molding said mixture, and curing said molded mixture or allowing said molded mixture to cure.

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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) 1981-07-10 1982-01-09 1982-07-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-07-10 1986-01-09 1986-07-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-07-10 1990-01-09 1990-07-11 $7700.00 Window Closed / Lapsed

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