EP0444880A2
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EP
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Biodecomposable or biodisintegrable moldable material
Assignee: CHUOKAGAKU Ltd
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Filing: 1991-02-26
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Granted: —
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Expires: 2011-02-26
Abstract
Abstract A biodecomposable or biodisintegrable moldable material which comprises a mixture of 10-70 vol.% of a natural high molecular substance, 30-70 vol.% of a thermoplastic resin and 0-45 vol.% of a filler.
Inventors
- 👤 Yutaka Tokiwa
- 👤 Masahiro Suzuki
- 👤 Masatoshi Koyama
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 14:05
CPC Classifications
C; C08; C08L; C08L101/00; C08L2201/00; C08L2201/06; Y; Y10; Y10S; Y10S428/00; Y10S428/903; Y10T; Y10T428/00; Y10T428/13; Y10T428/1348; Y10T428/1352; Y10T428/1372; Y10T428/25; Y10T428/252; Y10T428/254; Y10T428/259; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2998
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
31 words
A biodecomposable or biodisintegrable moldable material which comprises a mixture of 10-70 vol.% of a natural high molecular substance, 30-70 vol.% of a thermoplastic resin and 0-45 vol.% of a filler.
Claim 2
Dependent Claim
16 words
A biodecomposable moldable material according to claim 1, wherein the thermoplastic resin is a biodecomposable resin.
Claim 3
Dependent Claim
24 words
A biodisintegrable moldable material according to claim 1, wherein the thermoplastic resin is a mixed resin of a biodecomposable resin and a non-biodecomposable resin.
Claim 4
Dependent Claim
31 words
A biodisintegrable moldable material according to claim 3, wherein the proportion of the biodecomposable resin in the mixed resin is 1-80 wt.% based on the total weight of the mixed resin.
Claim 5
Dependent Claim
28 words
A biodecomposable or biodisintegrable moldable material according to claim 4, wherein the filler has an average volume within the range of 4.2 x 1/10³ µm³-520 x 10³ µm³.
Claim 6
Dependent Claim
32 words
A biodecomposable or biodisintegrable moldable material according to claim 1, wherein the mixture comprises fused granules of plural resin particles onto the surface of which the natural high molecular substance is bound.
Claim 7
Dependent Claim
19 words
A biodecomposable or biodisintegrable moldable material according to claim 6, wherein the granules have a diameter of 0.1-20 mm.
Claim 8
Dependent Claim
27 words
A biodisintegrable moldable material which comprises a mixture of 20-70 vol.% of a filler, 30-80 vol.% of a biodecomposable resin and 0-50 vol.% of a non-biodecomposable resin.
Claim 9
Dependent Claim
21 words
A biodisintegrable moldable material according to claim 8, wherein the filler has an average volume of 4.2 x 1/10³ µm³-910 µm³.
Claim 10
Dependent Claim
27 words
A biodisintegrable moldable material according to claim 8, wherein the mixture comprises fused granules of plural resin particles onto the surface of which the filler is bound.
Claim 11
Dependent Claim
17 words
A biodisintegrable moldable material according to claim 10, wherein the granules have a diameter of 0.1-20 mm.
Claim 12
Dependent Claim
20 words
A biodecomposable or biodisintegrable molded article obtained from the biodecomposable or biodisintegrable moldable material as set forth in claim 1.
Claim 13
Dependent Claim
16 words
A biodecomposable molded article obtained from the biodisintegrable moldable material as set forth in claim 8.
Claim 14
Dependent Claim
18 words
A molded article according to claim 12, wherein the article has a moisture-proof film on the surface thereof.
References Cited (Backward Citations)
No citation records indexed.
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