BLOCK COPOLYMER FOR PHOTOSENSITIVE FLEXOGRAPHIC PRINTING SLIP FILM

PURPOSE:To provide the title elastic copolymer causing no crack, poorly soluble to unsaturated ethylenic compounds, small in the surface tackiness, consisting of a block copolymer of an aromatic vinyl compound and a conjugated diene with almost all of the conjugated diene hydrogenated. CONSTITUTION:...

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Bibliographische Detailangaben
Hauptverfasser:	KIDOKORO HIROTO, USUI TATSUO
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CHEMISTRY CINEMATOGRAPHY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ELECTROGRAPHY HOLOGRAPHY MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS THEREFOR METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE:To provide the title elastic copolymer causing no crack, poorly soluble to unsaturated ethylenic compounds, small in the surface tackiness, consisting of a block copolymer of an aromatic vinyl compound and a conjugated diene with almost all of the conjugated diene hydrogenated. CONSTITUTION:The objective copolymer consisting of a block copolymer of (A) an aromatic vinyl compound and (B) a conjugated diene with the content of the component A being 5-60 (pref. 10-40)wt.% and at least 70 (pref. 85-100)wt.% of the component B hydrogenated. For the present copolymer, it is preferable that the weight-average molecular weight be 10000-1000000, the number-average molecular weight of the block A 4000-50000, and the number- average molecular weight of the block B 10000-250000.