Invention Grant
- Patent Title: Adhesive for packaging materials, and packaging material
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Application No.: US14402739Application Date: 2013-06-19
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Publication No.: US09957422B2Publication Date: 2018-05-01
- Inventor: Kenjin Shiba , Takamasa Yoshino , Takuma Yano
- Applicant: UNITIKA LTD.
- Applicant Address: JP Hyogo
- Assignee: Unitika Ltd.
- Current Assignee: Unitika Ltd.
- Current Assignee Address: JP Hyogo
- Agency: Fildes & Outland, P.C.
- Priority: JP2012-139355 20120621; JP2012-154676 20120710
- International Application: PCT/JP2013/066782 WO 20130619
- International Announcement: WO2013/191191 WO 20131227
- Main IPC: C09J7/02
- IPC: C09J7/02 ; B32B27/32 ; C09J123/26 ; B32B15/085 ; C09J123/08 ; B32B37/12 ; B32B37/15 ; C08L23/08

Abstract:
Disclosed is an adhesive for packaging materials being in a form of an aqueous dispersion including an acid-modified polyolefin resin containing a (meth)acrylic acid ester component, polyvinyl alcohol and an aqueous medium, wherein the content of polyvinyl alcohol is 0.1 to 10 parts by mass in relation to 100 parts by mass of the acid-modified polyolefin resin. Also disclosed is a packaging material using the adhesive wherein a barrier layer, an adhesive layer formed of a coating film obtained from the adhesive, and a sealant layer are laminated in this order.
Public/Granted literature
- US20150140348A1 ADHESIVE FOR PACKAGING MATERIALS, AND PACKAGING MATERIAL Public/Granted day:2015-05-21
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