发明名称 POLYESTER RESIN AQUEOUS DISPERSION, COATING FILM OBTAINED FROM SAME, AND PACKAGING BAG USING SUCH COATING FILM
摘要 A polyester resin aqueous dispersion, comprising: a polyester resin (A) having a number-average molecular weight of 5,000 or more and a glass transition temperature of 50°C or higher and a polyester resin (B) having a number-average molecular weight of 9,000 or more and a glass transition temperature of 30°C or lower at a rate (A)/(B) in the range of 80/20 to 20/80 (by mass), giving a resin film superior in adhesive properties, without cracks, and superior in blocking resistance even when formed at low temperature, and superior in bonding properties even when heat-sealed at low temperature, a film obtained by removing an aqueous medium therefrom, and a packaging bag with the film heat-sealed.
申请公布号 EP1923428(A1) 申请公布日期 2008.05.21
申请号 EP20060797527 申请日期 2006.09.06
申请人 UNITIKA, LTD. 发明人 TAKESUE, MAMIKO
分类号 C08L67/00 主分类号 C08L67/00
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