EP0336733A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Compositions for production of molded articles
Assignee: Mitsui Chemicals Inc
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Filing: 1989-04-05
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Granted: —
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Expires: 2009-04-05
Abstract
Abstract Compositions for use in the production of molded articles, preferably by injection molding, comprise a ceramic powder and/or a metallic powder and an organic binder, wherein the organic binder comprises a polyalkylene carbonate and an epoxy compound having at least one expocy group in the molecule.
Inventors
- 👤 Nobuki Mitsui Petrochemical Ind. Ltd. Hirai
- 👤 Seiji Mitsui Petrochemical Ind. Ltd. Tanada
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 10:24
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/632; C04B35/634; C04B35/63448; C04B35/63452; B; B22; B22F; B22F1/00; B22F1/10; B22F1/103; C04B35/63464; C04B38/00; C04B38/06; C04B38/063; C04B38/0635; C04B38/0645; C04B38/067; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K3/34; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1515; C08K5/16; C08K5/17; C08K5/18; C08L; C08L63/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
41 words
A molding composition comprising a ceramic powder and/or a metallic powder and an organic binder, characterised in that the organic binder comprises as essential ingredients a polyalkylene carbonate and an epoxy compound containing at least one epoxy group in the molecule.
Claim 2
Dependent Claim
41 words
A molding composition comprising a ceramic powder and/or a metallic powder and an organic binder, characterised in that the organic binder comprises as essential ingredients a polyalkylene carbonate and an epoxy compound containing at least one epoxy group in the molecule.
Claim 3
Dependent Claim
24 words
A composition according to claim 1 wherein the organic binder is used in an amount of 20 to 65% by volume of the composition.
Claim 4
Dependent Claim
43 words
A composition according to claim 1 or 2 wherein the organic binder comprises 10 to 80% by volume of the polyalkylene carbonate and 90 to 10% by volume of the epoxy compound, the volume percentages being based on the volume of the binder.
Claim 5
Dependent Claim
24 words
A composition according to claim 1, 2 or 3 wherein the epoxy compound has a molecular weight ( M n) of 100 to 20000.
Claim 6
Dependent Claim
14 words
Articles molded from a composition as claimed in any one of the preceding claims.
Claim 7
Dependent Claim
32 words
Articles according to claim 5 obtained by injection molding the composition to provide a preform, and heating the preform to remove the organic binder and sinter the ceramic powder and/or metallic powder.
References Cited (Backward Citations)
No citation records indexed.
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