公开(公告)号：JP2000087006A

公开(公告)日：2000-03-28

申请号：JP25962898

申请日：1998-09-14

Applicant: AGENCY IND SCIENCE TECHN

Inventor： ISHIGAMI YUTAKA ,  SAKAGUCHI HIROSHI ,  MASUDA TAKASHI ,  ITO SHOJI ,  UCHIYAMA HIROO ,  CHO YAKUGUN

IPC: C09K3/00

Abstract: PROBLEM TO BE SOLVED: To obtain a gelatinizer having biodegradability and high safety to living organism by reacting spiculisporic acid with a basic compound to produce a neutral salt. SOLUTION: This gelatinizer comprises a compound represented by the formula (wherein X is mutually same or different from each other and a metal atom or a group selected from the group consisting of an alkaline earth metal, Li, Al and an arginine residue; and (n) is 1 or 2). The galatinizer is usually used as an aqueous solution. The concentration of the compound of the formula in the aqueous solution is preferably 20 wt.% or below, more preferably 0.5-10 wt.%. To spiculisporic acid [(4S,5S)-4,5-dicarboxyl-4-pentadecanolide] is added an aqueous solution of a basic compound in excess of a calculated amount, and the resulting product is heated to obtain the compound of the formula which has the structure of ring operating of a lactone ring. An oil phase component and alcohol capable of gelation using this gelatinizer are monovalent alcohol, polyvalent alcohol, oil such as hydrocarbons, or the like.