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- W1988955725 abstract "The valuable properties of polyamide plastics, which combine high strength and heat resistance with exceptional wear resistance, are well known; this class of polymers is therefore of importance for scientists from the point of view of utilization in compositions with rubbers in order to improve several properties of rubbers [1–4]. A significant factor which impedes the extensive use of polyamide plastics in rubber mixtures is the need for blending at 200–240°. There is information in the literature concerning the preparation of polyamides in a highly viscous rubber medium from ε-caprolactam [5, 6]; however polymerization of this substance at 200–200° involves considerable technical difficulties. This study deals with the possibility of polyamide synthesis from monomers directly in a rubber medium at conventional temperatures of preparation and vulcanization of the rubber mixture. To prepare polyamides in a rubber mixture, dicarboxylic acid dichlorides were subjected to polycondensation with diamines nH2NRNH2+nClCOR′COCl→. …HNRNHCOR′CO…+2nHCl, as the high reactivity of these monomers, which ensures that interphase polycondensation takes place in solution at room temperature in a few minutes, is well-known [7]." @default.
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- W1988955725 date "1971-01-01" @default.
- W1988955725 modified "2023-09-25" @default.
- W1988955725 title "Synthesis of polyamides in a highly viscous rubber medium" @default.
- W1988955725 cites W2080848061 @default.
- W1988955725 cites W2333215080 @default.
- W1988955725 doi "https://doi.org/10.1016/0032-3950(71)90414-x" @default.
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