Company Filing History:
Years Active: 1987-1988
Title: Innovations of Jun-ichi Maeno in Water-Absorbing Resins
Introduction
Jun-ichi Maeno is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of water-absorbing resins, holding 2 patents that showcase his innovative approaches to enhancing the properties of these materials.
Latest Patents
One of his latest patents is titled "Process for preparing water-absorbing resin." This invention provides a method for preparing a water-absorbing resin by mixing powder of an inorganic inactive substance with a water-absorbing resin that contains carboxylate monomer units. The process involves adding water and a high molecular-weight cross-linking agent to the mixture, which facilitates a cross-linking reaction and evaporation of water. The resulting water-absorbing resin exhibits improved water-absorbing ability, rate of water absorption, gel strength, and the capability of retaining water under pressure.
Another significant patent is "Process for preparing highly water-absorbent resin." This process utilizes a reversed-phase suspension polymerization method with an aqueous solution of a monomer containing an alkali metal salt of acrylic or methacrylic acid. The method includes a water-soluble polymerization initiator, protective colloid, and hydrophobic organic solvent. The protective colloid is a copolymer that consists of various components, ensuring the production of a highly effective water-absorbent resin.
Career Highlights
Jun-ichi Maeno is associated with Arakawa Kagaku Kogyo Kabushiki Kaisha, where he continues to develop innovative solutions in the field of polymer chemistry. His work has significantly impacted the industry, particularly in enhancing the performance of water-absorbing materials.
Collaborations
He has collaborated with notable coworkers, including Shozo Tanioku and Nobuyuki Oshima, contributing to various projects that advance the understanding and application of water-absorbing resins.
Conclusion
Jun-ichi Maeno's contributions to the field of water-absorbing resins through his innovative patents demonstrate his expertise and commitment to advancing material science. His work continues to influence the industry and improve the functionality of water-absorbing products.