Biodecomposable or biodisintegrable moldable material
First Claim
Patent Images
1. A biodecomposable or biodisintegrable moldable material in the form of porous granules each having a diameter of 0.1-20 mm and including (a) a plurality of thermoplastic resin particles which are fuse-bonded to each other, (b) a naturally-occurring high molecular weight substance which is in the form of particles having an average volume within the range of 4.2×
- 1/103 μ
m3 -520×
103 μ
m3 or in the form of fibers having a diameter of less than 100 μ
m and a length of less than 10 mm, and (c) a filler which is in the form of particles having an average volume within the range of 4.2×
1/103 μ
m3 -910×
103 μ
m3 or in the form of fibers having a diameter of less than 100 μ
m and a length of less than 10 mm, said naturally-occurring high molecular weight substance and said filler being attached to the outer surfaces of said thermoplastic resin particles, said thermoplastic resin, said naturally-occurring high molecular weight substance and said filler being present in amounts of 30-70% by volume, 10-70% by volume and 0-45% by volume, respectively.
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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.
80 Citations
12 Claims
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1. A biodecomposable or biodisintegrable moldable material in the form of porous granules each having a diameter of 0.1-20 mm and including (a) a plurality of thermoplastic resin particles which are fuse-bonded to each other, (b) a naturally-occurring high molecular weight substance which is in the form of particles having an average volume within the range of 4.2×
- 1/103 μ
m3 -520×
103 μ
m3 or in the form of fibers having a diameter of less than 100 μ
m and a length of less than 10 mm, and (c) a filler which is in the form of particles having an average volume within the range of 4.2×
1/103 μ
m3 -910×
103 μ
m3 or in the form of fibers having a diameter of less than 100 μ
m and a length of less than 10 mm, said naturally-occurring high molecular weight substance and said filler being attached to the outer surfaces of said thermoplastic resin particles, said thermoplastic resin, said naturally-occurring high molecular weight substance and said filler being present in amounts of 30-70% by volume, 10-70% by volume and 0-45% by volume, respectively. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- 1/103 μ
-
10. A biodecomposable or biodisintegrable moldable material in the form of porous granules, each of said granules having a diameter of 0.1-20 mm and including 30-80% by volume of a plurality of biodegradable, thermoplastic resin particles which are fuse bonded to each other and 20-70% by volume of a filler which is in the form of particles having an average volume within the range of 4.2×
- 1/103 μ
m-910×
103 μ
m3 or in the form of fibers having a diameter of less than 100 μ
m and a length of less than 10 mm and which is attached to the outer surfaces of said thermoplastic resin particles. - View Dependent Claims (11, 12)
- 1/103 μ
Specification