Photopolymerizable composition with oxalic acid photoinitiator
The subject invention relates to photopolymerizable compositions useful for making plastic printing elements for use in photolithography and other photomechanical processes. The photopolymerizable compositions comprise an aqueous mixture of a water-insoluble resin, a water-soluble binder, a crosslin...
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| creator | BRUTCHEN GEORGE W FANGER GENE O |
| description | The subject invention relates to photopolymerizable compositions useful for making plastic printing elements for use in photolithography and other photomechanical processes. The photopolymerizable compositions comprise an aqueous mixture of a water-insoluble resin, a water-soluble binder, a crosslinking agent, and a photopolymerization initiator having an alpha-keto ester linkage. In particular, photopolymerization initiators include oxalic acid, sodium oxalate, potassium oxalate, lithium oxalate and urea oxalate. The printing plates prepared from the compositions herein disclosed have improved ink receptivity, good retention of such ink, receptivity even after long continued use, greater durability and excellent binding qualities. |
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The photopolymerizable compositions comprise an aqueous mixture of a water-insoluble resin, a water-soluble binder, a crosslinking agent, and a photopolymerization initiator having an alpha-keto ester linkage. In particular, photopolymerization initiators include oxalic acid, sodium oxalate, potassium oxalate, lithium oxalate and urea oxalate. The printing plates prepared from the compositions herein disclosed have improved ink receptivity, good retention of such ink, receptivity even after long continued use, greater durability and excellent binding qualities.</description><language>eng</language><subject>APPARATUS SPECIALLY ADAPTED THEREFOR ; CINEMATOGRAPHY ; ELECTROGRAPHY ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HOLOGRAPHY ; MATERIALS THEREFOR ; ORIGINALS THEREFOR ; PHOTOGRAPHY ; PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES ; PHYSICS ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS</subject><creationdate>1980</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19800909&DB=EPODOC&CC=US&NR=4221859A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19800909&DB=EPODOC&CC=US&NR=4221859A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BRUTCHEN; GEORGE W</creatorcontrib><creatorcontrib>FANGER; GENE O</creatorcontrib><title>Photopolymerizable composition with oxalic acid photoinitiator</title><description>The subject invention relates to photopolymerizable compositions useful for making plastic printing elements for use in photolithography and other photomechanical processes. The photopolymerizable compositions comprise an aqueous mixture of a water-insoluble resin, a water-soluble binder, a crosslinking agent, and a photopolymerization initiator having an alpha-keto ester linkage. In particular, photopolymerization initiators include oxalic acid, sodium oxalate, potassium oxalate, lithium oxalate and urea oxalate. 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The photopolymerizable compositions comprise an aqueous mixture of a water-insoluble resin, a water-soluble binder, a crosslinking agent, and a photopolymerization initiator having an alpha-keto ester linkage. In particular, photopolymerization initiators include oxalic acid, sodium oxalate, potassium oxalate, lithium oxalate and urea oxalate. The printing plates prepared from the compositions herein disclosed have improved ink receptivity, good retention of such ink, receptivity even after long continued use, greater durability and excellent binding qualities.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS SPECIALLY ADAPTED THEREFOR CINEMATOGRAPHY ELECTROGRAPHY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS |
| title | Photopolymerizable composition with oxalic acid photoinitiator |
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