Biodegradable material and process for the preparation thereof

Details Biodegradable material and process for the preparation thereof Biodegradable material and process for the preparation thereof

1997-07-21

1999-09-21

Woodward, Ana

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

528272, C08F 2000

Patent

active

059555297

ABSTRACT:
The present invention provides a biodegradable material having excellent organic compatibility, moldability, mechanical properties, biodegradability and storage stability which can be used as bone substitute material, material for osteosynthesis, bone filling material, dental material, material having controlled release of chemical, material having controlled release of physiologically active compound or the like and a process for the preparation thereof. A novel biodegradable material is provided, comprising as essential components a lactic acid-based polymer (A) consisting of structural units (a) derived from lactic acid components and polyester structural units (b) derived from dicarboxylic acid components and diol components, the weight ratio of (a)/(b) being from 98/2 to 20/80, and a calcium phosphate-based compound (B), wherein the weight ratio of (A)/(B) is from 99/1 to 30/70. A process for the preparation of such a biodegradable material is also provided.

REFERENCES:
patent: 4698375 (1987-10-01), Dorman et al.
patent: 5552454 (1996-09-01), Kretschmann et al.

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