Long carbon chain polyamide based thermoplastic elastomer (LCPAE) represents a category of high-performance thermoplastic elastomer

consisting of long carbon chain polyamide (LCPA) as hard segments ( HS) and polyether as soft segments (SS). A series of copolymers can be synthesized by adjusting the molecular weight of HS

SS and their relative ratio

covering the Shore hardness from 25D to 70D. Incompatibility of HS and SS renders LCPAE micro-phase separation aggregation state

which leads to a combination of merits of LCPA as anti-abrasion

high mechanical strength

thermal stability

good processability

and that of polyether as flexibility under low temperatures

high resilience. This paper generally reviews the development roadmap

current market situation

domestic and overseas research

related patents of LCPAE since 1970s

briefly summarizes the aggregation structural evolution of LCPAE under uniaxial deformation

investigated by in site X-ray diffraction

which revealed the structure-property relationship of LCPAE

can be referred as instructions for macromolecular design of LCPAE. The achievement of our own lab is also introduced on designing and synthesizing LCPAE by employing indigenous-patented even-even LCPA1012. In the end

outlook and proposal are made on the issues that what scientific problems should be settled for LCPAE and how the collaboration among research institute and domestic enterprise should be streamlined to commercialize LCPAE with independent intellectual property.