Crosslinking is one of the effective routes for improving the orientation stability of poledpolymer films. The derivative of polyvinyl alcohol containing 4-nitr
By means of polarizing optical microscopy (POM), deformation behavior of four kinds of fibers, i.e. ultra highmolecular weight polyethylene (UHMW-PE) fiber, pol
Using Nd:YAG second harmonic pulse (100 ps), the optical storage proper-ties of two novel polyesters, poly [4’-bis (N, N-oxyethylene) imino-4-nitroazobenzene s