The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 28, 2025
Filed:
Jul. 03, 2024
Shandong Agricultural University, Tai 'an, CN;
Tangyuan Ning, Tai 'an, CN;
Zhen Liu, Tai 'an, CN;
Geng Li, Tai 'an, CN;
Renzheng Zhang, Tai 'an, CN;
Zihan Gai, Tai 'an, CN;
Rou Chen, Tai 'an, CN;
Deheng Zhang, Tai 'an, CN;
Zihua Zhou, Tai 'an, CN;
Qinglin Zhang, Tai 'an, CN;
Shandong Agricultural University, Tai'an, CN;
Abstract
A multifunctional controllable multi-layer co-extruded biodegradable mulching film and a preparation method thereof. The multifunctional controllable multi-layer co-extruded biodegradable mulching film sequentially includes a skeleton layer, a functional layer and a controlled release layer from top to bottom; the skeleton layer, functional layer and controlled release layer are all based on PBAT and PLA (polylactic acid) resin; the raw materials of the skeleton layer also include reinforcing and toughening master batches; the raw materials of the functional layer also include functional master batches; the raw materials of the controlled release layer also include starch-based derivatives. The mulching film is prepared by multi-layer co-extrusion technology.