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  2. Hydrogel agriculture - Wikipedia

    en.wikipedia.org/wiki/Hydrogel_agriculture

    Hydrogel agriculture technology uses insoluble gel-forming polymers to improve the water-holding properties of different soils, such as clays and sandy loams. This can increase water-holding and water use (up to 85% for sand), improve soil permeability, reduce the need for irrigation, reduce compaction, soil erosion , and leaching, and improve ...

  3. GFS Chemicals - Wikipedia

    en.wikipedia.org/wiki/GFS_Chemicals

    GFS Chemicals Inc, formerly known as G. Frederick Smith Chemical Company, [1] is a privately owned fine and specialty chemical company with headquarters in Powell, Ohio and manufacturing facilities in Columbus, Ohio. It was founded by G. Frederick Smith in Urbana, Illinois in 1924, and moved to Columbus, Ohio in 1928. [1] [2] [3]

  4. Hexion - Wikipedia

    en.wikipedia.org/wiki/Hexion

    Hexion Inc. or Hexion (previously Momentive Specialty Chemicals) [2] is a chemical company based in Columbus, Ohio. It produces thermoset resins and related technologies and specialty products. Hexion is organized into two divisions: the Epoxy, Phenolic and Coating Resins Division, and the Forest Products Division.

  5. Polyhydroxyethylmethacrylate - Wikipedia

    en.wikipedia.org/wiki/Polyhydroxyethylmethacrylate

    Poly(2-hydroxyethyl methacrylate) (pHEMA) is a polymer that forms a hydrogel in water. Poly (hydroxyethyl methacrylate) (PHEMA) hydrogel for intraocular lens (IOL) materials was synthesized by solution polymerization using 2-hydroxyethyl methacrylate as raw material, ammonium persulfate and sodium pyrosulfite (APS/SMBS) as catalyst, and triethyleneglycol dimethacrylate (TEGDMA) as cross ...

  6. Speciality chemicals - Wikipedia

    en.wikipedia.org/wiki/Speciality_chemicals

    The emergence of India as a manufacturer and supplier of speciality chemicals has had a major impact on the Global speciality chemical industry. In India the many speciality chemical companies are members of national organisations such as the Indian Chemical Council (ICC) and the Indian Speciality Chemical Manufacturers' Association (ISCMA).

  7. Superabsorbent polymer - Wikipedia

    en.wikipedia.org/wiki/Superabsorbent_polymer

    Hydrogel. A mixture of acrylic acid, water, cross-linking agents and UV initiator chemicals are blended and placed either on a moving belt or in large tubs. The liquid mixture then goes into a "reactor" which is a long chamber with a series of strong UV lights. The UV radiation drives the polymerization and cross-linking reactions.