| 摘要 |
The present invention provides a process for the preparation of aromatic polyamide pulp having excellent properties, which is a process for the preparation of aromatic polyamide pulp containing homopolymer or copolymer with repeating unit expressed by the general formula (1) or (2) <CHEM> wherein each of R1, R2, R3 represents one of the following aromatic group, <CHEM> X is -H, -Cl, -Br, -I, C1-4 alkyl group or C1-4 alkoxy group, Y is <CHEM> which comprises: a) preparing a polymerization solvent by adding a Lewis acid type compound to an amide type organic solvent, an urea type organic solvent or the mixture thereof; b) obtaining anisotropic liquid crystalline polymer solution prior to gelation by dissolving an aromatic diamine in the prepared polymerization solvent and adding an aromatic diacid chloride to the solution; c) maintaining the polymer solution at a predetermined temperature for a predetermined period; and d) separating the polymerization solvent and pulverizing the polymer by pulping machine a |
