Multilayer structure, method for producing same, packaging material and product including same, and protective sheet for electronic device

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United States of America Patent

PATENT NO 12097688
APP PUB NO 20230017050A1
SERIAL NO

17782061

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a multilayer structure that has excellent gas barrier properties and an excellent peel strength between a base and a gas barrier layer after retorting, and that can retain a good appearance with no delamination even after retorting under stress. The present invention also provides packaging materials and products including such a multilayer structure. The present invention relates to a multilayer structure comprising a base (X), a layer (Z) stacked on the base (X), and a layer (Y) stacked on the layer (Z), the layer (Y) containing a reaction product (D) of an aluminum-containing metal oxide (A) and an inorganic phosphorus compound (BI), the layer (Z) containing a polyvinyl alcohol resin (C) and a polyester resin (L).

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Patent Owner(s)

Patent OwnerAddress
KURARAY CO LTD1621 SAKAZU KURASHIKI-SHI OKAYAMA 7100801

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kuzume, Shuhei Okayama, JP 2 0
Morihara, Yasushi Okayama, JP 10 51
Sasaki, Ryoichi Okayama, JP 85 2768

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