The invention belongs to the field of rare earth-macromolecule complex luminescent materials, and particularly relates to a bonding type polymer-rare earth ternary complex luminescent material and a preparation method thereof. The bonding type polymer-rare earth ternary complex luminescent material is ...
(4-hydroxystyrene) in 1,4-dioxane/toluene. Secondary amines or molecules containing two hydrogen-bonding functional groups could cross-link the polymer chains through the hydrogen bonds, which altered the solvation state and induced the UCST-type thermo-responsiveness or insolubility of the polymer. ...
where δd is the dispersion term, δp is the polar term, and δh is the hydrogen bonding term. 3.1.1.5 Solvent Interaction and Solubility Parameters It was shown in Section 3.1.1.4 that the interaction parameter has both entropic and enthalpic contributions. This is shown in Eq. (3.33), ...
In step-growth polymerization, one or more types of monomers can be involved, and each monomer should have at least two sites for bonding. For polymerization with more than one type of monomers, for example, involving A and B monomers, A–B step-growth polymerization or A–A/B–B step-...
Intrinsically elastic and self-healing luminescent polyisoprene copolymers formed via covalent bonding and hydrogen bonding design Covalent and hydrogen-bonding architectures were designed in polyisoprene (PI)-based rubber containing the conjugated poly[2,7-(9,9-dioctylfluorene)] (PF) to enable elastic...
but are pliable and can be molded above a certain temperature. While thermoset plastics form irreversible chemical bonds when cured, the bonding in thermoplastics weakens with temperature. Unlike thermosets, which decompose rather than melt, thermoplastics melt into a liquid upon heating. Examples of ...
2). These bonding pads comprise nickel/gold electrodes exposed by etching and were connected to the chip’s signal acquisition pins. Moreover, the vias, which were etched through polyimide, facilitate a secure bond between the chip and the PCB. At the front end of the system, to access ...
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Bonding mortar for external wall insulation system External wall external thermal insulation system Joint Fillers Self-flowing cement mortar Inner and outer wall flexible putty Flexible anti-crack mortar Drymix powder coating Polymer mortar products with higher requirements for flexibili...
Used for bonding, sealing, coating, encapsulation. Serviceable from -60°F to +250°F. 100% reactive compound. Excellent dielectric strength. Especially noteworthy is its resistance to sulfuric and hydrochloric acids. EP42HT-2FG Black Food grade epoxy system certified to meet FDA CFR 175.105. ...