METHOD FOR MANUFACTURING FLEXIBLE PACKAGING FILM

Title:

METHOD FOR MANUFACTURING FLEXIBLE PACKAGING FILM

Document Type and Number:

WIPO Patent Application WO/2018/043470

Kind Code:

A1

Abstract:

A method for manufacturing a flexible packaging film in which a polyurethane adhesive is applied to a substrate, said polyurethane adhesive being a mixed liquid of an A agent and a B agent, has a two liquid separate application step for contacting and compressing the mixed liquid of the A agent and the B agent which has been applied to one substrate and a catalyst which has been applied to another substrate, wherein the A agent is a polyisocyanate compound and the B agent is a polyol compound. The polyol compound is preferably a polymer polyol having a polyether polyol or a polyester polyol as an essential component.

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Inventors:

OGAWA MASAHIKO (JP)
TAKAHASHI SHIGEKAZU (JP)
TAKADA CHOICHI (JP)
ICHIMURA NAOKI (JP)

Application Number:

PCT/JP2017/030888

Publication Date:

March 08, 2018

Filing Date:

August 29, 2017

Export Citation:

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Assignee:

DAINIPPON INK & CHEMICALS (JP)

International Classes:

B65D65/40; C09J5/04; C09J175/04; C09J175/06; C09J175/08

Foreign References:

JP2013043936A	2013-03-04
JP2016097507A	2016-05-30
JPH05179207A	1993-07-20

Other References: