POLYESTER RESIN AQUEOUS DISPERSION COMPOSITION

• Main Authors: MIEDA Hiroyuki, SUGIMOTO Kanta, MIKAMI Tadahiko
• Format: Patent
• Language: English; French; Japanese
• Published: 29.06.2023
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; USE OF MATERIALS AS ADHESIVES; USE OF MATERIALS THEREFOR; WOODSTAINS

[Problem] To provide a polyester resin aqueous dispersion composition that has good storage stability, film formation properties, tackiness, adhesiveness, and water resistance. [Solution] A polyester resin aqueous dispersion composition comprising a polyester resin (A), a film formation aid (B), and an aqueous medium (C), wherein among the Hansen solubility parameters of the film formation aid (B), the dispersion component (δd) is not less than 15.4 MPa0.5 but less than 18.0 MPa0.5, the polarity component (δp) is not less than 4.1 MPa0.5 but less than 9.1 MPa0.5, and the hydrogen bonding component (δh) is not less than 7.0 MPa0.5 but less than 12.3 MPa0.5. [Problème] Fournir une composition de dispersion aqueuse de résine de polyester qui a une bonne stabilité au stockage, des propriétés de formation de film, un pouvoir adhésif, une adhésivité et une résistance à l'eau. [Solution] Composition de dispersion aqueuse de résine de polyester comprenant une résine de polyester (A), un auxiliaire de formation de film (B) et un milieu aqueux (C). Parmi les paramètres de solubilité de Hansen de l'auxiliaire de formation de film (B), le composant de dispersion (δd) n'est pas inférieur à 15,4 MPa0,5, mais inférieur à 18,0 MPa0,5, le composant de polarité (δp) n'est pas inférieur à 4,1 MPa0,5, mais inférieur à 9,1 MPa0,5, et le composant de liaison à l'hydrogène (δh) n'est pas inférieur à 7,0 MPa0,5, mais inférieur à 12,3 MPa0,5. 【課題】　保存安定性、造膜性、タック性、接着性および耐水性が良好なポリエステル樹脂水性分散体組成物を提供すること。 【解決手段】　ポリエステル樹脂（Ａ）、造膜助剤（Ｂ）および水性媒体（Ｃ）を含むポリエステル樹脂水性分散体組成物であって、前記造膜助剤（Ｂ）のハンセン溶解度パラメータにおける分散項（δｄ）が１５．４ＭＰａ０．５以上１８．０ＭＰａ０．５未満、極性項（δｐ）が４．１ＭＰａ０．５以上９．１ＭＰａ０．５未満、水素結合項（δｈ）が７．０ＭＰａ０．５以上１２．３ＭＰａ０．５未満のものである、ポリエステル樹脂水性分散体組成物。