HS3052 and HS5049 belongs to bisphenol monoacrylate radical scavenger species, its characteristics is before the intramolecular hydroxyl and carbonyl hydrogen bond, propylene acyl bonds with carbon free radical capture. Eventually the intramolecular hydrogen transfer to get stable phenoxyl radicals.
HS3052 with excellent thermal aging resistance, in addition to the SBR, BR and other synthetic rubber, also applies to HIPS, ultra heat ABS plastic, plastic elastomer SBS, etc..
To design a new structure of bisphenol monoacrylate HS5049 in HS3052 basis, due to phenolic hydroxyl group in the structure of counterpoint to the choice of the carbon number of TERT amyl and greatly improve the its resistance to oxidation coloring performance. Applicable to SBC, ABS, PS, SBS, SIS, PMMA, PP, HDPE, etc., and through the United States FDA certification, can be safely applied to food packaging and other materials.
At present, the plastics industry in a period of vigorous development, demand and performance of antioxidants are also required to improve. Currently active in the Chinese market of antioxidants to 1010 and 1076 as representative of hindered phenolic antioxidants and 168 as representative of phosphite antioxidant based
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