LIGHT REFLECTIVE, SELF-ASSEMBLING BLOCK COPOLYMER FILM OR COATING, METHODS FOR THEIR PREPARATION AND USE THEREOF

A multilayer light reflective self assembly film or coating which reflects light of a desired wavelength is obtained by blending block copolymer fractions of different molecular weight. The colour of light reflected by the film or coating depends on the relative amounts of the block copolymers in th...

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Bibliographische Detailangaben
Hauptverfasser:	FAIRCLOUGH, JOHN PATRICK ANTHONY, MYKHAYLYK, OLEKSANDR, PARNELL, ANDREW, PRYKE, ANDREW, TZOKOVA, NADEJDA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BOOK COVERS BOOKBINDING CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COLOUR PRINTING COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR DYES FILES FILLING PASTES GENERAL PROCESSES OF COMPOUNDING INKS LINING MACHINES LOOSE LEAVES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MOVABLE-STRIP WRITING OR READING APPARATUS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SPECIAL PRINTED MATTER STAMPS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYPEWRITERS USE OF MATERIALS THEREFOR WOODSTAINS WORKING-UP
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Beschreibung
Zusammenfassung:	A multilayer light reflective self assembly film or coating which reflects light of a desired wavelength is obtained by blending block copolymer fractions of different molecular weight. The colour of light reflected by the film or coating depends on the relative amounts of the block copolymers in the blend. Thus, the colour of the reflected light is selectable by varying the relative amounts of the block copolymers in the blend. The polymers may be cross-linked by means of a suitable cross-linking agent. Applications of the film or coating include anti-counterfeiting devices.