CRYSTALLINE POLYESTER RESIN, COATING COMPOSITION, COATING FILM AND METAL CAN

The purpose of the present invention is to provide: a crystalline polyester resin capable of forming a coating film from which hazardous substances such as bisphenol A and formaldehyde have been eliminated due to not containing a curing agent, and having excellent solvent solubility, processability...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	HAMANO, Masami, MIKAMI, Tadahiko, MIEDA, Hiroyuki, SUGIMOTO, Kanta
Format:	Patent
Sprache:	eng ; fre ; jpn
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON 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 CORRECTING FLUIDS DYES FILLING PASTES HANDLING THIN OR FILAMENTARY MATERIAL INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The purpose of the present invention is to provide: a crystalline polyester resin capable of forming a coating film from which hazardous substances such as bisphenol A and formaldehyde have been eliminated due to not containing a curing agent, and having excellent solvent solubility, processability and retort resistance characteristics; and a coating composition, a coating film and a metal can containing the crystalline polyester resin. The crystalline polyester resin comprises a polycarboxylic acid component and a polyhydric alcohol component as copolymer components, contains 4-48 mol% of orthophthalic acid as the polycarboxylic acid component, contains 48 mol% or more of 1,4-butanediol as the polyhydric alcohol component, has less than 40 mol% of ethylene glycol, and has a melting point of 120-160°C. Le but de la présente invention est de fournir : une résine de polyester cristallin capable de former un film de revêtement à partir duquel des substances dangereuses telles que le bisphénol A et le formaldéhyde ont été éliminées en raison de ne pas contenir un agent de durcissement, et ayant d'excellentes caractéristiques de solubilité dans le solvant, d'aptitude au traitement et de résistance à l'autoclave ; et une composition de revêtement, un film de revêtement et une boîte métallique contenant la résine de polyester cristallin. La résine de polyester cristallin comprend un composant d'acide polycarboxylique et un composant d'alcool polyhydrique en tant que composants de copolymère, contient de 4 à 48% en moles d'acide orthophtalique en tant que composant d'acide polycarboxylique, contient 48% en moles ou plus de 1,4-butanediol en tant que composant d'alcool polyhydrique, a moins de 40% en moles d'éthylène glycol, et a un point de fusion de 120 à 160° C. 本発明の目的は、硬化剤を含有しないためビスフェノールＡやホルムアルデヒドなどの有害物質を排除し、なおかつ溶剤溶解性、加工性及び耐レトルト性の特性に優れた塗膜を形成可能な結晶性ポリエステル樹脂、並びにそれを含む塗料組成物、塗膜及び金属缶を提供することである。多価カルボン酸成分と多価アルコール成分を共重合成分とし、多価カルボン酸成分として、オルトフタル酸を４～４８モル％含有し、多価アルコール成分として、１，４－ブタンジオールを４８モル％以上含有し、エチレングリコールが４０モル％未満であり、かつ融点が１２０～１６０℃である結晶性ポリエステル樹脂。