FIELD: medicine, pharmaceutics.
SUBSTANCE: invention relates to synthesis of novel mono- or disilicon-substituted tricyclononenes and corresponding to them additive polymers. Claimed is mono- or disilicon-substituted tricyclononene of general structural formula:
where: 1. R1=R2=R3=H; 2. R1=Si(CH3)3, R2=R3=H; 3. R1=R2-h, R3=Si(CH3)3; based on it additive polymer of general structural formula: 
, where n=50-2800 (polymerisation degree), which has values of average-weight molecular weight Mw=(1-75)*104 g/mol and polidipersion index Mw/Mn= 1.4-2.5. Also claimed is method of membrane separation of gas mixtures, which includes supply of mixture, which is to be separated, from one side of selectively-permeable membrane, selection of passing through it components from the other side, in which as membrane material, used is obtained additive polymers, characterised by superhigh coefficients of gas permeability and good selectivity.
EFFECT: increase of silicon-substituted norbornene activity in additive polymerisation, creation of additive polymer with high molecular weight and creation of based on it membranes.
3 cl, 6 dwg, 1 tbl, 9 ex
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