Hydroxysilyl-terminated polyoxyethylene compound, quaternary-salt-terminated block copolymer, and percutaneous absorption-promoting agent

摘要

PCT No. PCT/JP94/01109 Sec. 371 Date Jan. 23, 1996 Sec. 102(e) Date Jan. 23, 1996 PCT Filed Jul. 7, 1994 PCT Pub. No. WO95/03352 PCT Pub. Date Feb. 2, 1995A hydrosilyl-terminated polyoxyethylene compound of the general formula (I), a quaternary-salt-terminated polyoxyethylene/polyorganosiloxane block copolymer of the general formula (II) derived from the above compound, and a percutaneous drug absorption promoter comprising the above copolymer (II). The copolymer is usable as a percutaneous absorption promoter having a good drug absorption promoting effect and being effective for various drugs.