AQUEOUS DISPERSION LIQUID AND USE OF SAME

• Main Authors: FUKUTOME, Asuka, OKURA, Tetsuo, OKADA, Yasunori, NISHIYAMA, Kazuki
• Format: Patent
• Language: English; French; Japanese
• Published: 22.04.2021
• Subjects: 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; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF MATERIALS THEREFOR; WOODSTAINS

The purpose of the present invention is to provide: an aqueous dispersion liquid which contains PHBH and water, while being capable of forming a film at low temperatures, and which forms a multilayer body that has low heat sealing temperature and excellent peel strength; and a technology of using this aqueous dispersion liquid. The above are achieved by providing an aqueous dispersion liquid which contains water and a copolymer of 3-hydroxybutyrate and 3-hydroxyhexanoate, wherein the weight average molecular weight of the copolymer is from 50,000 to 550,000. L'objet de la présente invention est de fournir : un liquide de dispersion aqueuse qui contient du PHBH et de l'eau, tout en étant apte à former un film à basse température, et qui forme un corps multicouche qui a une faible température de thermoscellage et une excellente résistance au pelage ; et une technologie d'utilisation de ce liquide de dispersion aqueuse. À cet effet, l'invention concerne un liquide de dispersion aqueuse qui contient de l'eau et un copolymère de 3-hydroxybutyrate et de 3-hydroxyhexanoate, le poids moléculaire moyen en poids du copolymère étant de 50 000 à 550 000. 本発明の目的は、低温での成膜が可能であり、かつ、積層体を形成させた際に低いヒートシール温度で優れたピール強度を有する、ＰＨＢＨおよび水を含有する水分散液およびその利用技術を提供することである。３－ヒドロキシブチレートと３－ヒドロキシヘキサノエートとの共重合体および水を含有し、前記共重合体の重量平均分子量が５万～５５万である、水分散液を提供することにより、上記課題を解決する。