MANUFACTURING METHOD OF BIOEPOXY RESIN WITHOUT ENVIRONMENTAL HORMONE RELEASING
The present invention relates to a manufacturing method of a bioepoxy resin comprising a castor oil modified hardening agent and an epoxidized vegetable oil without releasing environmental hormone, which comprises: a manufacturing step of a bifunctional body having amine and diisocyanate at the term...
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Format: | Patent |
Sprache: | eng ; kor |
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