MANUFACTURING METHOD OF LAMINATE AND LAMINATE MANUFACTURED THEREBY

PROBLEM TO BE SOLVED: To provide a manufacturing method of a laminate which suppresses the discoloration of a recycle layer and also can suppress the occurrence of phase-separated foreign substances (gummy build-ups). SOLUTION: The manufacturing method of the laminate comprises manufacturing a lamin...

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Hauptverfasser: KIDA KANAME, MATSUMURA YOSHINAO, NIMIYA KENJI
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creator KIDA KANAME
MATSUMURA YOSHINAO
NIMIYA KENJI
description PROBLEM TO BE SOLVED: To provide a manufacturing method of a laminate which suppresses the discoloration of a recycle layer and also can suppress the occurrence of phase-separated foreign substances (gummy build-ups). SOLUTION: The manufacturing method of the laminate comprises manufacturing a laminate having a layer containing (A) an ethylene-vinyl acetate copolymer saponification product having an ethylene content of 10-60 mol% and (B) an ethylene-vinyl acetate copolymer saponification product having an ethylene content of ≥70 mol%, and a recycled layer produced by melt-forming a recovered material from a laminate having a polyolefin resin layer (C). The content of the (B) in the recovered material subjected to melt-forming is adjusted to ≥0.001 wt.% and
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subjects LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
TRANSPORTING
title MANUFACTURING METHOD OF LAMINATE AND LAMINATE MANUFACTURED THEREBY
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