ANTIDEGRADANT BLEND
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United States of America Patent
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Aug 5, 2021
app pub date -
Apr 29, 2019
filing date -
May 3, 2018
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Abstract
The invention concerns an antidegradant blend for polymers, comprising: a. an antioxidant selected from one or more of: i. a phenolic antioxidant; ii. an organic phosphite antioxidant; and: b. an inorganic antioxidant or reducing agent; wherein the composition is absent any metal carboxylate or buffering agent having the capacity to buffer in aqueous solution at a pH range from 4 to 8.
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