Liquid-crystal polymer
Liquid crystal polymers (LCPs) are polymers with the property of liquid crystal, usually containing aromatic rings as mesogens. Despite uncrosslinked LCPs, polymeric materials like liquid crystal elastomers (LCEs) and liquid crystal networks (LCNs) can exhibit liquid crystallinity as well. They are both crosslinked LCPs but have different cross link density. They are widely used in the digital display market. In addition, LCPs have unique properties like thermal actuation, anisotropic swelling, and soft elasticity. Therefore, they can be good actuators and sensors. One of the most famous and classical applications for LCPs is Kevlar, a strong but light fiber with wide applications, notably bulletproof vests.
Solid LCP | |
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Specific Gravity | 1.38 to 1.95 |
Elasticity modulus (E) | 8530 to 17200 MPa |
Tensile strength (σt) | 52.8 to 185 MPa |
Tensile Elongation (%) | 0.26 to 6.2 |
Notched Izod Impact | 21.0 to 82.5 kJ/m2 |
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