TDI BASED LOW-VISCOSITY POLYISOCYANATES WITH ISOCYANURATE GROUPS
The invention relates to a polyisocyanate which is based on tolylene 2,4-diisocyanate, tolylene 2,6- diisocyanate or a mixture of tolylene 2,4- and 2,6-diisocyanate and has isocyanurate groups, wherein the polyisocyanate has a) a weight average molecular weight of from > 350 to < 800 g/mol, de...
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| creator | LI, Hongchao MALEIKA, Robert LUI, Hao IRLE, Christoph MIDOLO, Antonio WU, Ruiwen GROTH, Stefan |
| description | The invention relates to a polyisocyanate which is based on tolylene 2,4-diisocyanate, tolylene 2,6- diisocyanate or a mixture of tolylene 2,4- and 2,6-diisocyanate and has isocyanurate groups, wherein the polyisocyanate has a) a weight average molecular weight of from > 350 to < 800 g/mol, determined by means of gel permeation chromatography using a polystyrene standard and tetrahydrofuran as eluent in accordance with DIN 55672-1:2016-03, b) a polydispersity D of from > 1 to < 1.5, where the polydispersity D is the ratio of weight average and number average molecular weight of the polyisocyanate and the weight average and number average molecular weight are in each case determined by means of gel permeation chromatography using a polystyrene standard and tetrahydrofuran as eluent in accordance with DIN 55672-1:2016-03, and c) a content of monomeric tolylene diisocyanate of < 1 % by weight, based on the total weight of the polyisocyanate. |
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MALEIKA, Robert ; LUI, Hao ; IRLE, Christoph ; MIDOLO, Antonio ; WU, Ruiwen ; GROTH, Stefan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3532555A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2019</creationdate><topic>ACYCLIC OR CARBOCYCLIC COMPOUNDS</topic><topic>ADHESIVES</topic><topic>CHEMICAL PAINT OR INK REMOVERS</topic><topic>CHEMISTRY</topic><topic>COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>CORRECTING FLUIDS</topic><topic>DYES</topic><topic>FILLING PASTES</topic><topic>HETEROCYCLIC COMPOUNDS</topic><topic>INKS</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>ORGANIC CHEMISTRY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PAINTS</topic><topic>PASTES OR SOLIDS FOR COLOURING OR PRINTING</topic><topic>POLISHES</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>USE OF MATERIALS THEREFOR</topic><topic>WOODSTAINS</topic><toplevel>online_resources</toplevel><creatorcontrib>LI, Hongchao</creatorcontrib><creatorcontrib>MALEIKA, Robert</creatorcontrib><creatorcontrib>LUI, Hao</creatorcontrib><creatorcontrib>IRLE, Christoph</creatorcontrib><creatorcontrib>MIDOLO, Antonio</creatorcontrib><creatorcontrib>WU, Ruiwen</creatorcontrib><creatorcontrib>GROTH, Stefan</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LI, Hongchao</au><au>MALEIKA, Robert</au><au>LUI, Hao</au><au>IRLE, Christoph</au><au>MIDOLO, Antonio</au><au>WU, Ruiwen</au><au>GROTH, Stefan</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TDI BASED LOW-VISCOSITY POLYISOCYANATES WITH ISOCYANURATE GROUPS</title><date>2019-09-04</date><risdate>2019</risdate><abstract>The invention relates to a polyisocyanate which is based on tolylene 2,4-diisocyanate, tolylene 2,6- diisocyanate or a mixture of tolylene 2,4- and 2,6-diisocyanate and has isocyanurate groups, wherein the polyisocyanate has a) a weight average molecular weight of from > 350 to < 800 g/mol, determined by means of gel permeation chromatography using a polystyrene standard and tetrahydrofuran as eluent in accordance with DIN 55672-1:2016-03, b) a polydispersity D of from > 1 to < 1.5, where the polydispersity D is the ratio of weight average and number average molecular weight of the polyisocyanate and the weight average and number average molecular weight are in each case determined by means of gel permeation chromatography using a polystyrene standard and tetrahydrofuran as eluent in accordance with DIN 55672-1:2016-03, and c) a content of monomeric tolylene diisocyanate of < 1 % by weight, based on the total weight of the polyisocyanate.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES HETEROCYCLIC COMPOUNDS INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS |
| title | TDI BASED LOW-VISCOSITY POLYISOCYANATES WITH ISOCYANURATE GROUPS |
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