Biodegradable resin composition, molded article, and method for producing a biodegradable resin composition
The biodegradable resin composition, incorporating basic magnesium sulfate and a hydrolysis inhibitor, addresses hydrolysis issues to achieve enhanced rigidity and mechanical properties in molded articles, suitable for diverse applications.
JP7893829B2Inactive Publication Date: 2026-07-22UBE CHEM IND CO LTD
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Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- UBE CHEM IND CO LTD
- Filing Date
- 2023-01-23
- Publication Date
- 2026-07-22
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Technical Problem
Current biodegradable resin compositions fail to achieve both excellent rigidity and high mechanical properties due to hydrolysis issues when fibrous basic magnesium sulfate is melt-kneaded with polylactic acid.
Method used
A biodegradable resin composition comprising biodegradable resin, basic magnesium sulfate, and a hydrolysis inhibitor, produced through either simultaneous or sequential addition processes, to prevent hydrolysis and enhance mechanical properties.
Benefits of technology
The composition yields molded articles with improved rigidity and mechanical properties, allowing for flexible application in various products.
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Smart Images
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Abstract
A biodegradable resin composition according to the present invention contains a biodegradable resin, basic magnesium sulfate, and a hydrolysis inhibitor.
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