The United States Price Anionic Temperature-Resistant Salt-Resistant Polyacrylamide

US5135674A US07/657,624 UA US5135674A US 5135674 A US5135674 A US 5135674A US A U A USA US 5135674 A US5135674 A US 5135674A Authority US United States Prior art keywords concrete sodium chloride gelling agent spalling specimens Prior art date-29 Legal status (The legal status is an assumption …

Spectrometer (Waters company, United States ) ... Analysis on polymers of temperature and salt-resistant for enhanced oil recovery ... Synthesis of copolymerized anionic …

Anionic polyacrylamide appear as white powder and have a molecular weight ranging from 6 to 25 million water soluble. ... and electrolyte salt sensitive. Polyacrylamide gel electrophoresis is suitable for separation of molecules by size and can be applied in different systems subject to the sample and downstream applications. ... United States ...

Weston et al.: Toxicity of Anionic Polyacrylamide Formulations when Used in Agriculture 239 species commonly used in the United States for freshwater toxic-ity testing. Quantitative data are limited to a couple older publi- cations with scant description of methods or vague toxicity end-points (McCollister et al., 1965; Beim and Beim, 1994).

Elastic, Superporous Hydrogel Hybrids of Polyacrylamide and Sodium Alginate Hossein Omidian,*1 Jose G. Rocca,1 Kinam Park2 1Kos Pharmaceuticals, Inc.; Hollywood, Florida 33020, United States 2Department of Pharmaceutics and Biomedical Engineering; Purdue University; West Lafayette, Indiana 47907, United States E-mail:

The invention relates to a salt resistant water absorbing compound including a polymeric phase that includes polyacrylamide and at least one of di or poly saccharide, wherein the polyacrylamide is cross-linked in the presence of at least one of di or poly saccharide by a cross-linking agent including multivalent cations, complexes thereof, organic cross-linking agents, or …

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Price Polyacrylamide Chemical Polyacrylamide Best Price White Powder High Temperature Resistance China Water Treatment Chemicals Anionic Polyacrylamide MSDS $1.00-$4.00 / Kilogram 1.0 Kilograms (Min. Order)

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United States (3) United States (3) ... SLI is nearly salt-free and resistant to hard and salt water with high foaming properties. Learn More Why choose Gold Supplier9 Gold Supplier is a premium membership for suppliers on . ... Anionic Polyacrylamide APAM Used as Retention Aids and Intensifier in Paper Making Industry.

RNA is a polyribonucleic acid belonging to a special class of anionic polymers, holding a unique property of self-assembly that is controllable in the construction of structures with defined size, shape, and stoichiometry. We report here the use of RNA as …