SEMI-AROMATIC POLYESTER, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
Disclosed are a semi-aromatic polyester, and a preparation method therefor and a use thereof. In the present invention, on the basis of the total molar amount of diacid, the molar content of a repeating unit -CH2CH2CH2CH2-O- in dimer(1,4-butanediol) is controlled to be 0.05-0.35 mol%, which can effe...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | Disclosed are a semi-aromatic polyester, and a preparation method therefor and a use thereof. In the present invention, on the basis of the total molar amount of diacid, the molar content of a repeating unit -CH2CH2CH2CH2-O- in dimer(1,4-butanediol) is controlled to be 0.05-0.35 mol%, which can effectively improve the resin color of the semi-aromatic polyester. |
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