Anisotropic multicomponent polymers
(AMPs) with improved and synergetic functions are a unique class of
the most intriguing materials with versatile applications. Thus, the
synthetic strategy for establishing AMPs with tunable functions and
compositional complexities is highly desirable. Herein, we report
a new paradigm for the facile and controllable in situ synthesis of dual-component poly(TMPTA-co-HEA)
and poly(HEA-co-NVP) polymers (TMPTA = trimethylolpropane
triacrylate, HEA = 2-hydroxyethyl acrylate, NVP = 1-vinyl-2-pyrrolidone)
by utilizing laser-ignited anisotropic biphase frontal polymerization
(FP). Once anisotropic biphase FP was initiated, no further energy
was required for the polymerization, providing a simple, rapid and
cost-effective approach for the synthesis of AMPs. The dependence
of the frontal velocities and temperatures on initiator concentrations
and the monomers weight ratios have been discussed in detail. More
interestingly, an operable fluorescent two-dimensional (2D) code was
constructed through the introduction of fluorescent dye and quantum
dots into the bilayer film. And, the as-prepared 2D code demonstrated
the capability in chemical recognition toward organic amines. It could
be believed the methodology developed in this work may open a hopeful
avenue to design other kinds of AMPs with various desirable applications.
Fluorescent dual-component poly(AM-co-NVP) and poly(HEA-co-NVP) polymers used to generate white LEDs were in situ synthesized via laser-ignited inhomogeneous biphase frontal polymerization.
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