M
Manabu Hirakawa
Researcher at Sumitomo Chemical
Publications - 33
Citations - 370
Manabu Hirakawa is an academic researcher from Sumitomo Chemical. The author has contributed to research in topics: Polyester & Polyester resin. The author has an hindex of 9, co-authored 32 publications receiving 369 citations. Previous affiliations of Manabu Hirakawa include Toyota.
Papers
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Patent
Process for producing semipermeable membranes
TL;DR: A process for producing a semipermeable membrane having high flux, excellent in solute rejection and useful for reverse osmosis, ultrafiltration and the like is described in this paper.
Patent
Aromatic liquid-crystalline polyester solution composition
Manabu Hirakawa,Satoshi Okamoto +1 more
TL;DR: In this paper, an aromatic liquid-crystalline polyester solution composition is defined, where the solvent is a solvent containing 30% by weight or more of a chlorine-substituted phenol compound represented by the following general formula.
Patent
Liquid crystalline polyester and method for producing the same
Satoshi Okamoto,Manabu Hirakawa +1 more
TL;DR: In this article, a method for producing a liquid crystalline polyester comprising the steps of acylating phenolic hydroxyl groups of an aromatic diol, an aromatic hydroxycarboxylic acid, or an aromatic Diol and aromatichydroxycarboxyl acid with a fatty anhydride was presented.
Patent
Liquid crystal polyester resin mixture
TL;DR: In this article, a liquid crystal polyester resin mixture having a stabilized plastication time and accordingly possible to be molded in constant cycles and giving a molded article excellent in mechanical properties and thermal stability is provided.
Patent
Aromatic polyester amide
TL;DR: In this article, an aromatic polyester amide which has improved mechanical strength and high elastic modulus after being molded into a thin wall article as well as exhibits excellent heat stability and moldability is presented.