WebFeb 21, 2024 · Poly (phenylene methylene) is the miracle material’s name, or PPM for short. This new corrosion protection material kills several birds with one stone. When mixed as paint and heated, PPM can be sprayed onto a surface and becomes solid. The polymer … WebJan 31, 2024 · Poly(phenylene methylene) (PPM) is a multifunctional polymer featuring hydrophobicity, high thermal stability, fluorescence and thermoplastic processability. Accordingly, smart corrosion resistant PPM-based coatings (blend and copolymer) were prepared and applied by hot pressing on aluminum alloy AA2024.
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WebThe cyclic hexamer of phenylene sulfide (CHPS) is studied as a precursor of poly(p-phenylene sulfide) (PPS). The CHPS is one of the soluble components obtained by the extraction of poly(p-phenylene sulfide) with tetrahydrofuran (THF). Differential thermal analysis (DTA) is used to verify the purified cyclic compound. WebNov 10, 2024 · Poly(phenylene methylene) (PPM) was isolated in a broad range of molar masses by optimization of the catalytic polymerization of benzyl chloride with SnCl 4 or … nobel prize in chemistry prediction
Synthesis of High Molar Mass Poly(phenylene methylene) …
WebThe present invention relates to compounds of the formula (I) where X is selected from the group consisting of a single bond, O, N-(C1-C4)-alkyl, N-Ar1, CR5R6, S, S(O) and SO2; Z1 and Z2 are independently selected from hydrogen, -Alk-OH, -CH2-Ar2-CH2-OH, -Alk'-C(O)ORX, -CH2-Ar2-C(O)ORX and -C(O)-Ar2-C(O)ORx, where Rx is selected from the group consisting … WebFeb 2, 2024 · Herein, we have designed and synthesized PPV system containing alkylated phenazine moiety viz. poly (5,10-dioctyl-5,10-dihydrophenazine-2,7-(1,4-bis((2-ethylhexyl)oxy)-2,5-divinylbenzene)) (P(PHN-PV)) for the first time by Wittig-Horner polycondensation of 5,10-dioctyl-5,10-dihydrophenazine-2,7-dicarbaldehyde and … WebJul 8, 2015 · A series of poly(p-phenylene alkylene)s with methylene run lengths ranging from 8 to 40 were obtained by ADMET polymerization of symmetrical α,ω-diene … nursing student prayer