PMID- 18598066 OWN - NLM STAT- PubMed-not-MEDLINE DCOM- 20080908 LR - 20091103 IS - 0743-7463 (Print) IS - 0743-7463 (Linking) VI - 24 IP - 15 DP - 2008 Aug 5 TI - Formation and characterization of microemulsions containing polymeric silicone. PG - 7658-62 LID - 10.1021/la801205q [doi] AB - We have prepared microemulsions consisting of water/[40 wt % polyoxyethylene (20 mol) glycerin isostearate (abbreviated as POE-GIS) + 60 wt % random copolymer of polyoxyethylene (POE, 38 mol)/polyoxypropylene (POP, 10 mol) pentaerythritol tetramethyl ether abbreviated as PEPTME (38/10)]/[polyoxyethylene (POE, 19 mol)/polyoxypropylene (POP, 19 mol) polydimethylsiloxane copolymer (abbreviated as POE/POP-PDMS)] and water/[40 wt % POE-GIS + 60 wt % PEPTME (38/10)]/[95 wt % POE/POP-PDMS + 5 wt % oleic acid (abbreviated as OA)] systems and characterized them with optical observation, rheometry, and freeze-fracture transmission electron microscopy (FF-TEM) images. Bicontinuous and droplet-type O/W (oil-in-water) microemulsions are formed depending on the volume fraction of water. The bicontinuous structure observed in the oil-rich region, upon successive dilution with water, is transformed into a droplet-type microemulsion without phase separation. The prepared droplet-type microemulsion containing polymeric silicone and random copolymer PEPTME (38/10) as a cosurfactant in the water-rich region has potential applications in cosmetics. FAU - Sharma, Suraj Chandra AU - Sharma SC AD - Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan. FAU - Tsuchiya, Koji AU - Tsuchiya K FAU - Sakai, Kenichi AU - Sakai K FAU - Sakai, Hideki AU - Sakai H FAU - Abe, Masahiko AU - Abe M FAU - Komura, Shigeyuki AU - Komura S FAU - Sakamoto, Kazutami AU - Sakamoto K FAU - Miyahara, Reiji AU - Miyahara R LA - eng PT - Journal Article DEP - 20080704 PL - United States TA - Langmuir JT - Langmuir : the ACS journal of surfaces and colloids JID - 9882736 EDAT- 2008/07/05 09:00 MHDA- 2008/07/05 09:01 CRDT- 2008/07/05 09:00 PHST- 2008/07/05 09:00 [pubmed] PHST- 2008/07/05 09:01 [medline] PHST- 2008/07/05 09:00 [entrez] AID - 10.1021/la801205q [doi] PST - ppublish SO - Langmuir. 2008 Aug 5;24(15):7658-62. doi: 10.1021/la801205q. Epub 2008 Jul 4.