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Specialty additives liquid polymers

Commercial grades of PVP, K-15, K-30, K-90, and K-120 and the quaternized copolymer of vinylpyrrolidone and dimthylaminoethylmethacrylate (poly-VP/ DMAEMA) made by International Specialty Products (ISP) were used in this study. PEO standard calibration kits were purchased from Polymer Laboratories Ltd. (PL), American Polymer Standards Corporation (APSC), Polymer Standards Service (PSS), and Tosoh Corporation (TSK). In addition, two narrow NIST standards, 1923 and 1924, were used to evaluate commercial PEO standards. Deionized, filtered water, and high-performance liquid chromatography grade methanol purchased from Aldrich or Fischer Scientific were used in this study. Lithium nitrate (LiN03) from Aldrich was the salt added to the mobile phases to control for polyelectrolyte effects. [Pg.501]

See other pages where Specialty additives liquid polymers is mentioned: [Pg.236]    [Pg.246]    [Pg.387]    [Pg.333]    [Pg.184]    [Pg.331]    [Pg.249]    [Pg.255]    [Pg.268]    [Pg.299]    [Pg.430]    [Pg.523]    [Pg.1706]    [Pg.20]    [Pg.1700]    [Pg.235]    [Pg.8]    [Pg.18]    [Pg.320]    [Pg.74]    [Pg.19]    [Pg.9]   
See also in sourсe #XX -- [ Pg.314 ]



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