摘要:
A novel method for producing polyamide and/or polyester-amide copolymer is provided. The method of the present invention comprises the steps of: providing particles of the polyester, the polyester having pores extending from a surface of the particle to inside thereof; mixing the porous polyester with the diamine; and heating the mixture to the temperature not lower than a melting point of the diamine and not higher than a significant temperature of the polyester to cause reaction between the polyester and the diamine.