The copolymers are prepd. using a catalyst system of (a) Pd(O2CNEt2)2(NHEt2)2 (I) with a solid carrier; (b) a mono- or bidentate ligand contg. 1 or 2 N or P atoms and capable of bonding Pd through dative bonds; and (c) a mineral or org. acid. Thus, a 1:1 C2H4/CO mixt. was pressured to 56 105 Pa at 80 for 5 h in presence of I on SiO2 carrier, 1,3-bis(diphenylphosphino)propane, and F3CCO2H in MeOH to give copolymer.
Preparation of alternating olefin-carbon monoxide copolymers by means of a heterogeneous supported catalyst
BELLI, DANIELA;CALDERAZZO, FAUSTO;
1994-01-01
Abstract
The copolymers are prepd. using a catalyst system of (a) Pd(O2CNEt2)2(NHEt2)2 (I) with a solid carrier; (b) a mono- or bidentate ligand contg. 1 or 2 N or P atoms and capable of bonding Pd through dative bonds; and (c) a mineral or org. acid. Thus, a 1:1 C2H4/CO mixt. was pressured to 56 105 Pa at 80 for 5 h in presence of I on SiO2 carrier, 1,3-bis(diphenylphosphino)propane, and F3CCO2H in MeOH to give copolymer.File in questo prodotto:
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