Titlebook: Crown Ethers and Phase Transfer Catalysis in Polymer Science; Lon J. Mathias,Charles E. Carraher Book 1984 Plenum Press, New York 1984 cat

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Review of Wave Breaking in Shallow WaterPhase-transfer catalyst systems have been deeply concerned with the various aspects of polymer chemistry in recent years. Imai et al showed that phase-transfer catalysts like crown ethers or ammonium salts were very effective in condensation polymerizations.

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Flawless

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干旱

Canopy

Chemical Modification of Chloromethylated Polystyrene with Phosphine Oxides Using Phase-Transfer Catlogy .. Chemical modification is an important procedure for the preparation of polymeric reagents. Phase transfer catalysis which has been widely used in organic chemistry, has found an increasing number of applications in the chemical modification of polymers having reactive functional groups, over the past few years ..

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Synthesis of Ultrahigh Molecular Weight Nylon 4 with Onium Salt and Crown Ether-Containing Catalystspreparation, physico-chemical characterization, and utilization of the polymer. The great interest in this polymer is due to the fact that nylon 4 textile fibers combine the good strength properties of nylon 6 or 66 with the hydrophilicity of cotton..