| abstract |
The invention provides a kind of manufacture method of fiber, it is characterized in that, the resin combination of aliphatic polyester will be contained, described aliphatic polyester resin is, add to and contain in the resin combination of aliphatic polyester resin that molecule chain end has carboxyl by least one the compound that general formula (I) is represented, made part or all carboxyl of molecule chain end by the aliphatic polyester resin of end-blocking by this compound, the particle with molecule chain end with the aliphatic polyester resin formation of carboxyl mixes, and the amount of adjusting the compound that makes general formula (I) expression reaches 0.1～8 % by weight, spinning temperature is 200～250 DEG C, the melting residence time is 180～1800 seconds, spinning speed is 500～10000m/ minute.n (I) wherein, Rn 1 ～Rn 3 in, have at least one to be glycidyl, remaining represents hydrogen atom, the alkyl that carbonatoms is 1～10, hydroxyl, allyl group. |