US 11,938,671 B2
Method and device for producing at least one PLA strip
Kenneth Schindler, Chemnitz (DE); Bert Woellner, Oberlungwitz (DE); Daniel Götze, Chemnitz (DE); Torsten Müller, Chemnitz (DE); and Jens Weinhold, Chemnitz (DE)
Assigned to STC Spinnzwirn GmbH, Chemnitz (DE)
Appl. No. 17/633,689
Filed by STC SPINNZWIRN GMBH, Chemnitz (DE)
PCT Filed Jul. 22, 2020, PCT No. PCT/EP2020/070634
§ 371(c)(1), (2) Date Feb. 8, 2022,
PCT Pub. No. WO2021/032395, PCT Pub. Date Feb. 25, 2021.
Claims priority of application No. 10 2019 122 311.3 (DE), filed on Aug. 20, 2019.
Prior Publication US 2022/0297372 A1, Sep. 22, 2022
Int. Cl. B29C 55/10 (2006.01); B29C 55/00 (2006.01); B29K 67/00 (2006.01); B29L 7/00 (2006.01)
CPC B29C 55/10 (2013.01) [B29C 55/005 (2013.01); B29C 2793/0027 (2013.01); B29C 2793/0036 (2013.01); B29K 2067/046 (2013.01); B29L 2007/007 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A process for producing at least one polylactide (PLA) tape, comprising:
a) providing a tape-shaped extruded PLA film,
b) heating the PLA film provided in step a) to a temperature in the range from 40 to 70° C. by means of at least one heated godet,
c) slitting the PLA film heated in step b) into the at least one PLA tape, and
d) drawing the at least one PLA tape slit in step c).