US 12,330,342 B2
Method for removing adhesives and/or interlaminar inks on laminated plastic material
Andrés Fullana Font, San Vicente del Raspeig (ES)
Assigned to Universidad de Alicante, Alicante (ES)
Appl. No. 17/755,060
Filed by Universidad de Alicante, San Vicente del Raspeig (ES)
PCT Filed Oct. 27, 2020, PCT No. PCT/ES2020/070655
§ 371(c)(1), (2) Date Apr. 20, 2022,
PCT Pub. No. WO2021/089895, PCT Pub. Date May 14, 2021.
Claims priority of application No. ES201930975 (ES), filed on Nov. 7, 2019.
Prior Publication US 2022/0362969 A1, Nov. 17, 2022
Int. Cl. B29B 17/02 (2006.01); B08B 3/08 (2006.01); B08B 3/10 (2006.01); B26F 1/24 (2006.01)
CPC B29B 17/02 (2013.01) [B08B 3/08 (2013.01); B08B 3/10 (2013.01); B26F 1/24 (2013.01); B29B 2017/022 (2013.01); B29B 2017/0231 (2013.01); B29B 2017/0289 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method for removing interlaminar adhesives and/or inks on laminated plastic material, comprising the steps of:
a) microperforating the laminated plastic material with at least one microperforation per cm2,
b) removing the ink and/or adhesive by adding a washing solution to the microperforated plastic resulting from step a), and
c) separating the laminated plastic material and the washing solution; and
a step of conditioning and grinding the laminated plastic material to be treated prior to step a).