PMID- 38407469
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20240506
IS  - 1521-3773 (Electronic)
IS  - 1433-7851 (Linking)
VI  - 63
IP  - 20
DP  - 2024 May 13
TI  - A Vitrimer Acts as a Compatibilizer for Polyethylene and Polypropylene Blends.
PG  - e202317264
LID - 10.1002/anie.202317264 [doi]
AB  - Polymer compatibilization plays a critical role in achieving polymer blends with 
      favorable mechanical properties and enabling efficient recycling of mixed plastic 
      wastes. Nonetheless, traditional compatibilization methods often require tailored 
      designs based on the specific chemical compositions of the blends. In this study, 
      we propose a new approach for compatibilizing polymer blends using a dynamically 
      crosslinked polymer network, known as vitrimers. By adding a relatively small 
      amount (1-5 w/w%) of a vitrimer made of siloxane-crosslinked high-density 
      polyethylene (HDPE), we successfully compatibilized unmodified HDPE and isotactic 
      polypropylene (iPP). The vitrimer-compatibilized blend exhibited enhanced 
      elongation at break (120 %) and smaller iPP domain sizes (0.4 mum) compared to the 
      control blend (22 % elongation at break, 0.9 mum iPP droplet size). Moreover, the 
      vitrimer-compatibilized blend showed significantly improved microphase stability 
      during annealing at 180  degrees C. This straightforward method shows promise for 
      applications across various polymer blend systems.
CI  - (c) 2024 Wiley-VCH GmbH.
FAU - Yokoyama, Kosuke
AU  - Yokoyama K
AD  - Department of Chemistry, University of California, Irvine, California, 92697, 
      United States.
FAU - Guan, Zhibin
AU  - Guan Z
AUID- ORCID: 0000-0003-1370-1511
AD  - Department of Chemistry, University of California, Irvine, California, 92697, 
      United States.
AD  - Department of Materials Science and Engineering, Irvine, California, 92697, 
      United States.
AD  - Department of Chemical and Biomolecular Engineering, Irvine, California, 92697, 
      United States.
LA  - eng
GR  - DE-FG02-04ER46162/Basic Energy Sciences/
GR  - DMR-1810217/Directorate for Mathematical and Physical Sciences/
PT  - Journal Article
DEP - 20240410
PL  - Germany
TA  - Angew Chem Int Ed Engl
JT  - Angewandte Chemie (International ed. in English)
JID - 0370543
SB  - IM
OTO - NOTNLM
OT  - compatibilization
OT  - dynamic covalent chemistry
OT  - polymer blends
OT  - polyolefins
OT  - vitrimer
EDAT- 2024/02/26 12:43
MHDA- 2024/02/26 12:44
CRDT- 2024/02/26 11:24
PHST- 2023/11/13 00:00 [received]
PHST- 2024/02/26 12:44 [medline]
PHST- 2024/02/26 12:43 [pubmed]
PHST- 2024/02/26 11:24 [entrez]
AID - 10.1002/anie.202317264 [doi]
PST - ppublish
SO  - Angew Chem Int Ed Engl. 2024 May 13;63(20):e202317264. doi: 
      10.1002/anie.202317264. Epub 2024 Apr 10.