Beta-conidendrol

The beta-conidendrol is incorporated as an antioxidant and is frequently referred to in the patent literature, as is also di-P-naphthyl-p-phenylenediamine for this purpose. It is claimed that in the example given above the degradation rate at 222°C is only 0.09% per minute compared with typical values of 0.6-0.8% for unesterified polymer. 

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