Resin solution compositions for electronic materials and protective membranes prepared therefrom for circuits in printed wiring boards
This invention relates to resin solution compositions for electronic materials consisting of organic solutions of 100 parts by weight of siloxanepolyimidepolyamic acid copolymers composed of imide segments formed by polycondensation of aromatic tetracarboxylic acid dianhydrides and siloxanediamines...
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| creator | TOKUHISA KIWAMU TOKUMITSU AKIRA TAKARABE ISAMU |
| description | This invention relates to resin solution compositions for electronic materials consisting of organic solutions of 100 parts by weight of siloxanepolyimidepolyamic acid copolymers composed of imide segments formed by polycondensation of aromatic tetracarboxylic acid dianhydrides and siloxanediamines and amic acid segments formed by polyaddition of aromatic tetracarboxylic acid dianhydrides and aromatic diamines other than siloxanediamines and represented by the following general formula (1) (in which X is the residue of an aromatic tetracarboxylic acid dianhydride, Y is the residue of a siloxanediamine, Z is the residue of an aromatic diamine, l and m are integers independent of each other, and n is an integer of 1 or more) and 1 to 50 parts by weight of epoxy resins. The compositions are storage-stable and curable at relatively low temperature and yield cured products with an excellent balance of heat resistance, high-frequency characteristics, chemical resistance and stress relaxation characteristics. |
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The compositions are storage-stable and curable at relatively low temperature and yield cured products with an excellent balance of heat resistance, high-frequency characteristics, chemical resistance and stress relaxation characteristics.</description><edition>6</edition><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PRINTED CIRCUITS ; SEMICONDUCTOR DEVICES ; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>1999</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=19990629&DB=EPODOC&CC=US&NR=5916688A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990629&DB=EPODOC&CC=US&NR=5916688A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TOKUHISA; KIWAMU</creatorcontrib><creatorcontrib>TOKUMITSU; AKIRA</creatorcontrib><creatorcontrib>TAKARABE; ISAMU</creatorcontrib><title>Resin solution compositions for electronic materials and protective membranes prepared therefrom for circuits in printed wiring boards</title><description>This invention relates to resin solution compositions for electronic materials consisting of organic solutions of 100 parts by weight of siloxanepolyimidepolyamic acid copolymers composed of imide segments formed by polycondensation of aromatic tetracarboxylic acid dianhydrides and siloxanediamines and amic acid segments formed by polyaddition of aromatic tetracarboxylic acid dianhydrides and aromatic diamines other than siloxanediamines and represented by the following general formula (1) (in which X is the residue of an aromatic tetracarboxylic acid dianhydride, Y is the residue of a siloxanediamine, Z is the residue of an aromatic diamine, l and m are integers independent of each other, and n is an integer of 1 or more) and 1 to 50 parts by weight of epoxy resins. 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KIWAMU</creatorcontrib><creatorcontrib>TOKUMITSU; AKIRA</creatorcontrib><creatorcontrib>TAKARABE; ISAMU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TOKUHISA; KIWAMU</au><au>TOKUMITSU; AKIRA</au><au>TAKARABE; ISAMU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Resin solution compositions for electronic materials and protective membranes prepared therefrom for circuits in printed wiring boards</title><date>1999-06-29</date><risdate>1999</risdate><abstract>This invention relates to resin solution compositions for electronic materials consisting of organic solutions of 100 parts by weight of siloxanepolyimidepolyamic acid copolymers composed of imide segments formed by polycondensation of aromatic tetracarboxylic acid dianhydrides and siloxanediamines and amic acid segments formed by polyaddition of aromatic tetracarboxylic acid dianhydrides and aromatic diamines other than siloxanediamines and represented by the following general formula (1) (in which X is the residue of an aromatic tetracarboxylic acid dianhydride, Y is the residue of a siloxanediamine, Z is the residue of an aromatic diamine, l and m are integers independent of each other, and n is an integer of 1 or more) and 1 to 50 parts by weight of epoxy resins. The compositions are storage-stable and curable at relatively low temperature and yield cured products with an excellent balance of heat resistance, high-frequency characteristics, chemical resistance and stress relaxation characteristics.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PRINTED CIRCUITS SEMICONDUCTOR DEVICES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Resin solution compositions for electronic materials and protective membranes prepared therefrom for circuits in printed wiring boards |
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