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Liquid crystal polymers—22: Synthesis and properties of monomers for the preparation of poly(2-alkyl-1,4-phenylene terephthalates)

✍ Scribed by J. Majnusz; R.W. Lenz

Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
336 KB
Volume
21
Category
Article
ISSN
0014-3057

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✦ Synopsis

Almtraet--A series of n-and iso-alkylhydroquinone and diacetate monomers was synthesized at high purity for the preparation of a series of high molecular weight aromatic polyesters of the type: poly(2-alkyl-1,4-phenylene terephthalates). The reductive alkylation of benzoquinone with the appropriate trialkylborane was selected for the synthesis of the substituted hydroquinones.

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Liquid crystal polymers—11. Structure-property relationships in a series of thermotropic poly(2-n-alkyl-1,4-phenylene terephthalates)
✍ J. Majnusz; J.M. Catala; R.W. Lenz 📂 Article 📅 1983 🏛 Elsevier Science 🌐 English ⚖ 293 KB

Abstraet--A series of thermotropic poly(2-n-alkyl-l,4-phenylene terephthalates) was synthesized and characterized for liquid crystalline properties by differential scanning calorimetry (DSC) and by use of a polarizing microscope. All members of the series, from the polymer with the n-hexyl to that w