EP0147494A1
Expired / Lapsed
EP
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Porous material having open pores and method of producing it
Assignee: Toto Ltd
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Filing: 1984-01-03
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Granted: —
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Expires: 2004-01-03
Abstract
Abstract Disclosed is a porous material having open pores and a method for its production, comprising the steps of preparing a slurry from a mixture comprising a bisphenol-type epoxy resin, a specific mixture amide compound as a hardener, a filler and water, casting the slurry in a water-impermeable mold, hardening the slurry while it contains the water and dehydrating the hardened body.
Inventors
- 👤 Noboru Kishima
- 👤 Yoshio Ueda
- 👤 Takeshi Sato
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 10:04
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/28; C04; C04B; C04B26/00; C04B26/02; C04B26/10; C04B26/14; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/44; C08G59/50; C08G59/54; C08J2363/00; C08J2363/02; Y; Y10; Y10S; Y10S264/00; Y10S264/13
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
140 words
A porous material having open pores which is produced by the steps of preparing a slurry from a mixture comprising a bisphenol-type epoxy resin, a hardener, a filler and water, casting said slurry in a water-impermeable mold, hardening said slurry while it contains the water and dehydrating the hardened body, characterized in that the hardener used is either (a) a mixture of (i) and amide compound which is obtained through a reaction between a monomeric fatty acid and an ethyleneamine expressed by the formula of H 2 N-(CH 2 -CH 2 -NH) n -H where "n" be 3 to 5, and (ii) a polymeric fatty acid polyamide obtained through a reaction of a polymeric fatty acid and said ethyleneamine, or (b) a reaction mixture obtained by mixing reaction of said monomeric fatty acid, said polymeric fatty acid and said ethyleneamine.
Claim 2
Dependent Claim
140 words
A porous material having open pores which is produced by the steps of preparing a slurry from a mixture comprising a bisphenol-type epoxy resin, a hardener, a filler and water, casting said slurry in a water-impermeable mold, hardening said slurry while it contains the water and dehydrating the hardened body, characterized in that the hardener used is either (a) a mixture of (i) and amide compound which is obtained through a reaction between a monomeric fatty acid and an ethyleneamine expressed by the formula of H 2 N-(CH 2 -CH 2 -NH) n -H where "n" be 3 to 5, and (ii) a polymeric fatty acid polyamide obtained through a reaction of a polymeric fatty acid and said ethyleneamine, or (b) a reaction mixture obtained by mixing reaction of said monomeric fatty acid, said polymeric fatty acid and said ethyleneamine.
Claim 3
Dependent Claim
143 words
2 . A method of producing a porous material having open pores, comprising the steps of preparing a slurry from a mixture comprising a bisphenol-type epoxy resin, a hardener, a filler and water, casting said slurry in a water-impermeable mold, hardening said slurry while it contains the water and dehydrating the hardened body, characterized in that the hardener used is either (a) a mixture of (i) an amide compound which is obtained through a reaction between a monomeric fatty acid and an -ethyleneamine expressed by the formula of H 2 N-(CH 2 -CH 2 -NH) n -H where "n" be 3 to 5, and (ii) a polymeric fatty acid polyamide obtained through a reaction of a polymeric fatty acid and said ethyleneamine, or (b) a reaction mixture obtained by mixing reaction of said monomeric fatty acid, said polymeric fatty acid and said ethyleneamine.
Claim 4
Dependent Claim
143 words
2 . A method of producing a porous material having open pores, comprising the steps of preparing a slurry from a mixture comprising a bisphenol-type epoxy resin, a hardener, a filler and water, casting said slurry in a water-impermeable mold, hardening said slurry while it contains the water and dehydrating the hardened body, characterized in that the hardener used is either (a) a mixture of (i) an amide compound which is obtained through a reaction between a monomeric fatty acid and an -ethyleneamine expressed by the formula of H 2 N-(CH 2 -CH 2 -NH) n -H where "n" be 3 to 5, and (ii) a polymeric fatty acid polyamide obtained through a reaction of a polymeric fatty acid and said ethyleneamine, or (b) a reaction mixture obtained by mixing reaction of said monomeric fatty acid, said polymeric fatty acid and said ethyleneamine.
Claim 5
Dependent Claim
24 words
A method of producing a porous material according to claim 2, wherein said monomeric fatty acid has 10 to 22 carbon atoms per molecule.
Claim 6
Dependent Claim
27 words
A method of producing a porous material according to claim 2, wherein said monomeric fatty acid is constituted mainly by oleic acid, linoleic acid and/or erucic acid.
Claim 7
Independent Claim
27 words
A method of producing a porous material according to any one of claims 2 . to 4, wherein said ethyleneamine is constituted mainly by tetraethylenepentamine and/or pentaethylenahexamine.
Claim 8
Independent Claim
61 words
A method of producing a porous material according to any one of claims 2 to 6, wherein said amide compound of said " monomeric fatty acid, said polymeric fatty acid polyamide and said reaction mixture are formed by reactions which are conducted by adding about 0.8 to about 2.0 mols of ethyleneamine for 1 (one) carboxylic group in said fatty acids.
Claim 9
Independent Claim
41 words
A method of producing a porous material according to any one of claims 2 to 6, wherein the ratio between said amide compound of said monomeric fatty acid and said polymeric fatty acid polyamide ranges between 90:10 and 5:95 by weight.
Claim 10
Independent Claim
33 words
A method of producing a porous material according to any one of claims 2 to 7, wherein said mixture for producing a slurry further contains a reactive diluent and/or a hardening promotion agent.
Claim 11
Dependent Claim
30 words
A method of producing a porous material according to claim 8, wherein said hardening promotion agent is selected from tertiary amines of the aromatic group such as benzyldimethylamine and tridimethylaminomethylphenol.
Claim 12
Dependent Claim
94 words
The use of either (a) a mixture of (i) an amide compound which is obtained through a reaction between a monomeric fatty acid and an ethyleneamine expressed by the formula of H 2 N-(CH 2 -CH 2 -NH) n -H where "n" be 3 to 5, and (ii) a polymeric fatty acid polyamide obtained through a reaction of a polymeric fatty acid and said ethyleneamine, or (b) a reaction mixture obtained by mixing reaction of said monomeric fatty acid, said polymeric fatty acid and said ethyleneamine. as hardener for the production of porous materials.
Claim 13
Dependent Claim
94 words
The use of either (a) a mixture of (i) an amide compound which is obtained through a reaction between a monomeric fatty acid and an ethyleneamine expressed by the formula of H 2 N-(CH 2 -CH 2 -NH) n -H where "n" be 3 to 5, and (ii) a polymeric fatty acid polyamide obtained through a reaction of a polymeric fatty acid and said ethyleneamine, or (b) a reaction mixture obtained by mixing reaction of said monomeric fatty acid, said polymeric fatty acid and said ethyleneamine. as hardener for the production of porous materials.
References Cited (Backward Citations)
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