Lab & Service Firm

LiSO

Innovative Films & Plastics

High-Performance Films and Membranes 
Development & Commercialization  

 
LiSO Films retains a portfolio of patented film products and technologies: clear, opaque, microporous, sorbent, and ultrahigh barrier; comprising renewable and sustainable products. Our multi-functional films will enable a unique combination of performance: permselectivity, conductivity, strength, sorption, barrier and adhesion. LiSO products can withstand extreme heat, harsh electrochemical environments, weather, and other demanding conditions.

NanoPorous Films (NPF)

LiSO NPFs deliver superior properties in porosity, strength, ionic and electrical conductivity, dimensional stability at elevated temperatures, uniformity, and resistance to weather, heat and chemicals, etc.

Our NPFs find a broad range of applications as a permselective medium in energy storage and harvesting, i.e., battery separator films (BSFs), ion-conducting films, solar cell backsheets, active packaging, absorbent labeling, printing, etc. 

DSC THERMAL PROPERTIES: 
  • LiSO NPFs can offer excellent thermal stability with Tm > 250oC  
  • Existing, commercial PE and PP battery separator films (BSFs) are unwettable to electrolytes and low in Tm < 160oC.  
  • Nonwoven polymer separators (NWV) provides a high Tm < 250oC, but thick, nonuniform, and low in strength, heat and chemical resistance.  

Adsorbent Membranes (ASM)

LiSO ASMs can be made from a wide range of substrates, compositions, and pore and film structures at high productivity. Our ASMs will deliver: i) superior sorption kinetics and capacity; ii) excellent permselectivity towards gases, CO2, volatile, fluids and water; iii) exceptional strength and adhesion; iv) wettability toward polar and nonpolar substrates, and v) little pressure drop of analytes across the products. 


We substantially improve interfacial adhesion by controlling interdiffusion of dissimilar molecules, induced by co-miscible components across the layer boundaries as well as stress-induced interlocking in-situ of such interdiffused chains, respectively during the laminar melt and extensional solid flows.

UltraHigh Barrier Films (UHB)

LiSO UHBs enable a wide range of barrier applications with low oxygen (O2) and moisture (H2O) transmission rates as well as superior metal and interlayer adhesion: 
 
  • Clear and Metallized (MET) Packaging Films, etc.
  • Photovolatic (PV) Encapsulants & UltraWeatherable Backsheets  
  • Flexible Electronics 
HIGH & UH BARRIER PROPERTIES:
  • LiSO metallized oriented polypropylene films (Met-BOPP) will undergo no metal cracks and thus, no barrier degradation with post-film processing under substantive tension.  
  • Existing, commercial high and ultrahigh Met-BOPP films suffer from such metal cracks and barrier degradation.  
 

   DSC Thermograms for LiSO Prototype NSF

   vs. Commercial BSFs 

 

    Sorbability of Various LiSO Prototype ASMs

 

   Barrier Degradation of Met-BOPP Films: LiSO

   Prototype Films vs. Existing Films