Synthesis and characterization of novel ferroelectric liquid crystal polysiloxanes containing undecanoyloxy spacer. II was written by Zhang, Qizhen;Xue, Qingbin;Yang, Kongzhang. And the article was included in Polymers for Advanced Technologies in 1996.Computed Properties of C10H10Cl2Pt This article mentions the following:
The synthesis of two novel side-chain liquid crystal polysiloxanes (IP and IIP) containing 4-[(s)-2-methyl-butoxy] biphenyl or 4-[(s)-2-methyl-butoxy] biphenyl benzoate moiety as mesogenic units, resp., and an aliphatic spacer containing undecanoyloxy units is presented. Differential scanning calorimetry, polarizing microscopy and X-ray diffraction measurements revealed chiral smectic mesomorphism for the two polymers. Both polysiloxanes IP and IIP exhibit smectic A and chiral smectic C* phases. Among the corresponding monomers prepared in this study, the 4-[(s)-2-methyl-butoxy]biphenyl 10-undecylen-1-ate shows smectic A and chiral smectic C* phases, but the 4-[(s)-2-methyl-butoxy] biphenyl 4-(10-undecylen-1-yloxy) benzoate reveals only smectic B, smectic A and cholesteric phases. The results seem to demonstrate that the tendency toward glass, and also that melting temperature (Tm) and isotropic temperatures (Ti) of liquid crystal, mesomorphic ranges (ΔT) and thermal stability in both polymers and monomers increase with increasing the rigidity or the number of the benzene ring or length vs. diameter value of mesogenic moieties (L/D) value of mesogenic moieties. The Ti and ΔT of polysiloxanes containing the undecanoyloxy spacer are lower than those containing the undecyloxy spacer on using the same mesogenic moiety. Polymerization generated a smectic phase and led to higher liquid crystal and isotropic transition temperatures; also the liquid crystal and isotropic transition temperatures; also the liquid crystal and isotropic transition temperature; also the liquid crystal ranges were broadened and more ordered phases were formed comparing polymers with monomers, resp. In the experiment, the researchers used many compounds, for example, Dichlorodi(cyclopenta-1,3-dien-1-yl)platinate(II) (cas: 12083-92-0Computed Properties of C10H10Cl2Pt).
Dichlorodi(cyclopenta-1,3-dien-1-yl)platinate(II) (cas: 12083-92-0) belongs to organic chlorides. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. The haloform reaction, using chlorine and sodium hydroxide, is also able to generate alkyl halides from methyl ketones, and related compounds. Chloroform was formerly produced thus.Computed Properties of C10H10Cl2Pt
Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics