Application of epoxy cardanol as bio-based hindered phenolic antioxidant
A cardanol and antioxidant technology, which is applied in the field of preparation of bio-based hindered phenol antioxidants, can solve the problems of harsh production conditions, limited promotion and application, expensive catalysts and the like, and achieves easy process control, wide sources and low prices. Effect
Inactive Publication Date: 2016-01-06
INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY
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The invention discloses application of epoxy cardanol as a bio-based hindered phenolic antioxidant. The epoxy cardanol as the bio-based hindered phenolic antioxidant is prepared by comprising the following steps: with cardanol as a raw material, under the action of a catalyst, dropwise adding a peroxy source and carrying out epoxidation reaction at 40 to 70 DEG C for 2 to 5 hours so as to prepare a crude epoxy cardanol, and carrying out aftertreatment so as to obtain an epoxy cardanol antioxidant. According to the invention, thermal oxidative aging resistance of the bio-based hindered phenolic antioxidant in the invention is superior to the thermal oxidative aging resistance of a general hindered phenolic antioxidant, i.e., 2,6-di-tert-butyl-4-methylphenol. Meanwhile, the bio-based hindered phenolic antioxidant has the advantages of wide raw material sources, low price, simple preparation process, low toxicity and environmental protection, can be extensively applied in vegetable oil and biodiesel, and has good application and development prospects.
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CardanolLow toxicity +7
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