Reversibly color-changing shaped material and process for producing the same

A molding which is reversibly discolorable in accordance with the conditions of water-absorbing and drying thereof, wherein the molding consists of a layer having open micro-voids (hereinafter referred to as a "scatter layer") and a layer having a hue different from that of the scatter lay...

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Bibliographic Details
Main Authors MURAOKA; ITSUMI, FUKUI; YUICHI, HAGURA; SHIGEKI, ITOH; HAJIME
Format Patent
LanguageEnglish
Published 12.10.1993
Edition5
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS
CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS
NATURAL OR ARTIFICIAL THREADS OR FIBRES
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
SPINNING
TEXTILES
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:A molding which is reversibly discolorable in accordance with the conditions of water-absorbing and drying thereof, wherein the molding consists of a layer having open micro-voids (hereinafter referred to as a "scatter layer") and a layer having a hue different from that of the scatter layer (hereinafter referred to as a "color-developing layer"), the scatter layer constitutes at least a part of the outer surface of the molding and the color-developing layer constitutes the remaining part.
Bibliography:Application Number: US19910778155