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become porous to air. by kind permission of basf. a second use is the production of the so-called superabsorbents. these are polymers of mainly propenoic acid and sodium propenoate. polymerization is initiated with, for example, potassium (or ammonium) peoxodisulfate, k s o , which decomposes to form...
on facebook share on twitter share on pinterest share on linkedin share on google+ share through email steelcase recalls chairs due to fall hazard u.s. consumer product safety commission – recall recall date: january , recall number: - steelcase recalls chairs due to fall hazard recall summary name of...