Coating composition comprising TMCD polyester and modified polyester

The present invention relates to a coating composition based on a polyester containing 2, 2, 4, 4-tetramethyl-1, 3-cyclobutanediol (TMCD) and a modified polyester polyol. Coatings based on such polyester blends can provide a good balance of desired coating properties for metal packaging applications...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KUO THAUMING, BROWN CAMERON LEE, MADDOX JOHN THORTON, FENG LINQIAN, DE LEON IBARRA CELINA EIDE, CAGNARD ALAIN MICHEL
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to a coating composition based on a polyester containing 2, 2, 4, 4-tetramethyl-1, 3-cyclobutanediol (TMCD) and a modified polyester polyol. Coatings based on such polyester blends can provide a good balance of desired coating properties for metal packaging applications, such as solvent resistance, acid resistance, retort resistance, crack resistance, and flexural capacity. 本发明涉及基于含有2,2,4,4-四甲基-1,3-环丁二醇(TMCD)的聚酯和改性的聚酯多元醇的涂料组合物。基于这种聚酯共混物的涂料能够提供用于金属包装应用的所需涂料特性例如耐溶剂性、耐酸性、耐干馏性、耐龟裂性和弯曲能力的良好平衡。