2001
DOI: 10.1080/00914030108035114
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Synthesis of PET-based Liquid Crystalline Copolyesters: Influence of the Overall Degree of Aromaticity on Phase Segregation

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Cited by 2 publications
(2 citation statements)
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“…Liquid-crystalline polyester utilized as high-performance materials in the electronic industry can be built up from 50-80 % PHB. [91][92][93] Frequently, hydroxynaphthoic acid is used as co-monomer that is likewise synthesized in the Kolbe-Schmitt process starting from naphthol and CO 2 . [86,90,[94][95][96] As the Kolbe-Schmitt synthesis takes place with relatively large amounts of insensitive alkali hydroxides as catalyst, the requirements for the purity of the applied CO 2 are most likely low.…”
Section: Applicationsmentioning
confidence: 99%
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“…Liquid-crystalline polyester utilized as high-performance materials in the electronic industry can be built up from 50-80 % PHB. [91][92][93] Frequently, hydroxynaphthoic acid is used as co-monomer that is likewise synthesized in the Kolbe-Schmitt process starting from naphthol and CO 2 . [86,90,[94][95][96] As the Kolbe-Schmitt synthesis takes place with relatively large amounts of insensitive alkali hydroxides as catalyst, the requirements for the purity of the applied CO 2 are most likely low.…”
Section: Applicationsmentioning
confidence: 99%
“…Frequently, the corresponding acetoxybenzoic acids are used as reactive components upon applying p-hydroxybenzoic acid or salicylic acid as co-monomers in standard polyesters (Scheme 12), such as polyethyleneterephthalate (PET) or polybutyleneterephthalate (PBT). [91,93,97,98] p-Hydroxybenzoic acid, in particular, can be incorporated into bisphenol-A-polycarbonate by a transesterification melt procedure, [92,99] thus resulting in a polyester carbonate. Based on a polycarbonate production of over 1 million tonne per year, the fraction of fixed CO 2 might be increased to the 10 % originating from the carbonate unit.…”
Section: Applicationsmentioning
confidence: 99%