PROCESS FOR THE PREPARATION OF POLY(TETRAMETHYLENE-ADIPAMIDE)
Process for the preparation of polyamides from 1,4-diaminobutane and adipic acid, wherein a 40 to 70% strength aqueous solution of the monomers is heated at 280 DEG -320 DEG C., preferably 290 DEG -310 DEG C., for a period of 5 to 30 minutes under a pressure of less than 8 bar, to give a precondensa...
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| creator | NIELINGER, WERNER FULLMANN, HEINZ-JOSEF BRINKMEYER, HERMANN BINSACK, RUDOLF BOTTENBRUCH, LUDWIG |
| description | Process for the preparation of polyamides from 1,4-diaminobutane and adipic acid, wherein a 40 to 70% strength aqueous solution of the monomers is heated at 280 DEG -320 DEG C., preferably 290 DEG -310 DEG C., for a period of 5 to 30 minutes under a pressure of less than 8 bar, to give a precondensate having a relative viscosity of 1.05 to 2.0, and solid phase after-condensation at 180 DEG -260 DEG C. |
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| language | eng ; ger |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | PROCESS FOR THE PREPARATION OF POLY(TETRAMETHYLENE-ADIPAMIDE) |
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