摘要 |
PCT No. PCT/EP95/00248 Sec. 371 Date Jul. 17, 1996 Sec. 102(e) Date Jul. 17, 1996 PCT Filed Jan. 24, 1995 PCT Pub. No. WO95/21210 PCT Pub. Date Aug. 10, 1995Glycerol, glycidol, glycerol carbonate or 2,2-dimethyl-1,3-dioxolane-4-methanol is polymerized into preponderantly linear oligomers at 150 DEG C. to 350 DEG C. in the presence of a catalyst, selected from RbF, CsF and/or KF impregnated on alumina and zirconium oxide. The alumina is preferably gamma-alumina. |
申请人 |
UNICHEMA CHEMIE B.V., GOUDA, NL |
发明人 |
ROBERTS, GLYN, WIRRAL, MERSEYSIDE L45 8JB, GB;MINIHAN, ALAN, REGINALD, WALLASEY, MERSEYSIDE L45 8JB, GB;LAAN, JOHANNES, ARIE, M., NL-4826 PN BREDA, NL;ESHUIS, JOHAN, JAN, W., NL-3123 PM SCHIEDAM, NL |