Antioxidant blend boasts superior performance. (Additives).A new one-pack antioxidant antioxidant, substance that prevents or slows the breakdown of another substance by oxygen. Synthetic and natural antioxidants are used to slow the deterioration of gasoline and rubber, and such antioxidants as vitamin C (ascorbic acid), butylated hydroxytoluene system combines two high performance antioxidants Antioxidants Substances that reduce the damage of the highly reactive free radicals that are the byproducts of the cells. Mentioned in: Aging, Nutritional Supplements antioxidants, n. at optimized ratios for use in HDPE HDPE abbr. high-density polyethylene pipe and drums and polyolefin fiber and tape. Cyanox XS4 from Cytec Industries, West Paterson, N.J., is a blend of Cytec's Cyanox 1790 phenolic phe·no·lic adj. Of, relating to, containing, or derived from phenol. n. Any of various synthetic thermosetting resins, obtained by the reaction of phenols with simple aldehydes and used as adhesives. and Doverphos 9228 hydrolytically stable phosphite phos·phite n. A salt or ester of phosphorous acid. from Dover Chemical Corp., Dover, Ohio. The new blend reportedly beats the performance of conventional antioxidants like Ciba's Irganox 1010 at use levels of only 0.05% to 0.1%, half those typical for conventional antioxidants. Cyanox XS4 also boasts low initial color, high-temperature processing stability, and improved melt-flow control. Excellent retention of properties after long-term heat aging and outstanding gas-fade resistance are also claimed. Tel: (973) 357-3319, www.cytec.com
PROCESSING PERFORMANCE OF CYANOX XS4 TECHNOLOGY
Yellowness Index Melt Flow g/10m
0.32% AO-B225 3 12.5
0.2% AO-B225+0.25% AO-STOP 1.5 9.1
0.12% AO-XS4 1.2 8.9
Note: Table made from line graph
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