| abstract |
The utility model discloses a kind of thin layer catalytic plate for lactide synthesizing polylactic acid, including：Substrate, including two layers, lower floor is ceramic powder last layer and the tourmaline bisque that is fixed thereon；And multiple grooves and fin are symmetrically alternatively formed on the substrate, multiple square through holes are set on the groove；Catalyst layer, it is attached on the outside of the substrate；Wherein, each square through hole in the groove is complete independent not connected, and the length of side of the square through hole is 1.5mm~2mm. |