Abstract: An improved process for the continuous polymerization, in aqueous emulsion, of vinyl and/or vinylidene monomers is provided, the improvement comprising carrying out the polymerization in a series of reactors arranged in cascade and feeding the reaction mixture from the reactor at the lowest level to the reactor at the highest level.
Abstract: High molecular weight polyesters, such as poly(alkylene terephthalates), are stabilized against deterioration by heat, oxidation, and the like, with a stabilizer comprising a polybutadiene, with high vinyl content. Also provided are reinforced embodiments of the stabilized compositions.
Abstract: This invention relates to a novel astringent antiperspirant aerosol system which comprises an astringent salt suspended in fine powder form in an anhydrous liquid vehicle and a propellant.