AN IMPROVED PROCESS FOR PRODUCING RUBBER LAMINATES
The invention discloses a novel process for producing covalently bonded laminated structures composed of polyurethane elastomer and vulcanized rubber layers. As the joining means for covalently bonding the polyurethane elastomer and vulcanizable rubber laminates the process utilizes novel grafted po...
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| creator | GREEN, GEORGE FRANKLIN SPAHIC, BOJANA KOLAR |
| description | The invention discloses a novel process for producing covalently bonded laminated structures composed of polyurethane elastomer and vulcanized rubber layers. As the joining means for covalently bonding the polyurethane elastomer and vulcanizable rubber laminates the process utilizes novel grafted polyurethane joining compositions comprised of polyurethane elastomer, a polyisocyanate, and a hydroxyl containing polybutadiene difunctional linker molecule. In practicing the process of the invention, the grafted polyurethane joining composition is first prepared by means that create covalent chemical bonds between the polyurethane elastomer and a first functional (NCO) group on the polyisocyanate, as well as between a hydroxyl on the polybutadiene difunctional linker molecule and a second functional (NCO) group on the polyisocyanate. This novel grafted polyurethane composition is then used to bond layers of polyurethane elastomer to layers of vulcanizable rubber. In constructing a laminated product, the grafted polyurethane joining composition is interposed between the polyurethane elastomer and vulcanizable rubber layers. The resulting assembly is then heated at a temperature sufficient to allow formation of covalent bonds. |
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As the joining means for covalently bonding the polyurethane elastomer and vulcanizable rubber laminates the process utilizes novel grafted polyurethane joining compositions comprised of polyurethane elastomer, a polyisocyanate, and a hydroxyl containing polybutadiene difunctional linker molecule. In practicing the process of the invention, the grafted polyurethane joining composition is first prepared by means that create covalent chemical bonds between the polyurethane elastomer and a first functional (NCO) group on the polyisocyanate, as well as between a hydroxyl on the polybutadiene difunctional linker molecule and a second functional (NCO) group on the polyisocyanate. This novel grafted polyurethane composition is then used to bond layers of polyurethane elastomer to layers of vulcanizable rubber. In constructing a laminated product, the grafted polyurethane joining composition is interposed between the polyurethane elastomer and vulcanizable rubber layers. The resulting assembly is then heated at a temperature sufficient to allow formation of covalent bonds.</description><edition>3</edition><language>eng</language><subject>ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ; ADHESIVES ; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; DYES ; GENERAL PROCESSES OF COMPOUNDING ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ; ORGANIC MACROMOLECULAR COMPOUNDS ; PAINTS ; PERFORMING OPERATIONS ; POLISHES ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING ; USE OF MATERIALS AS ADHESIVES ; WORKING-UP</subject><creationdate>1985</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=19850626&DB=EPODOC&CC=AU&NR=3618684A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19850626&DB=EPODOC&CC=AU&NR=3618684A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GREEN, GEORGE FRANKLIN</creatorcontrib><creatorcontrib>SPAHIC, BOJANA KOLAR</creatorcontrib><title>AN IMPROVED PROCESS FOR PRODUCING RUBBER LAMINATES</title><description>The invention discloses a novel process for producing covalently bonded laminated structures composed of polyurethane elastomer and vulcanized rubber layers. 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As the joining means for covalently bonding the polyurethane elastomer and vulcanizable rubber laminates the process utilizes novel grafted polyurethane joining compositions comprised of polyurethane elastomer, a polyisocyanate, and a hydroxyl containing polybutadiene difunctional linker molecule. In practicing the process of the invention, the grafted polyurethane joining composition is first prepared by means that create covalent chemical bonds between the polyurethane elastomer and a first functional (NCO) group on the polyisocyanate, as well as between a hydroxyl on the polybutadiene difunctional linker molecule and a second functional (NCO) group on the polyisocyanate. This novel grafted polyurethane composition is then used to bond layers of polyurethane elastomer to layers of vulcanizable rubber. In constructing a laminated product, the grafted polyurethane joining composition is interposed between the polyurethane elastomer and vulcanizable rubber layers. The resulting assembly is then heated at a temperature sufficient to allow formation of covalent bonds.</abstract><edition>3</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON DYES GENERAL PROCESSES OF COMPOUNDING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF MATERIALS AS ADHESIVES WORKING-UP |
| title | AN IMPROVED PROCESS FOR PRODUCING RUBBER LAMINATES |
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