Steric hindrance type secondary amine compound, preparation method and polyurea resin
The invention relates to synthesis of compounds, in particular to a steric hindrance type secondary amine compound, a preparation method and polyurea resin. The compound is prepared from the following raw materials: a dimeric beta-dicarbonyl compound and primary amine. The invention provides a steri...
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| creator | XU TAO XIAO ZENGJUN RONG QIXIANG CHEN LINSHENG XIONG DONGLU XIAO YANG |
| description | The invention relates to synthesis of compounds, in particular to a steric hindrance type secondary amine compound, a preparation method and polyurea resin. The compound is prepared from the following raw materials: a dimeric beta-dicarbonyl compound and primary amine. The invention provides a steric hindrance type secondary amine compound. By controlling R'directly connected with secondary amine to adopt substituent groups with large steric hindrance such as branched alkane or cyclic alkane and controlling the number of carbon atoms of R1 on adjacent carbon atoms, synthesis of the compound can be promoted, the yield can be improved, the curing time of polyisocyanate can be effectively improved, and meanwhile, good comprehensive performance such as glossy and smooth surface, low viscosity and the like can be brought. Therefore, various application requirements are met. Moreover, the inventor finds that by connecting a beta-ester group structure to a secondary amine group in the compound, when the compound act |
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The compound is prepared from the following raw materials: a dimeric beta-dicarbonyl compound and primary amine. The invention provides a steric hindrance type secondary amine compound. By controlling R'directly connected with secondary amine to adopt substituent groups with large steric hindrance such as branched alkane or cyclic alkane and controlling the number of carbon atoms of R1 on adjacent carbon atoms, synthesis of the compound can be promoted, the yield can be improved, the curing time of polyisocyanate can be effectively improved, and meanwhile, good comprehensive performance such as glossy and smooth surface, low viscosity and the like can be brought. Therefore, various application requirements are met. Moreover, the inventor finds that by connecting a beta-ester group structure to a secondary amine group in the compound, when the compound act</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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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 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 | Steric hindrance type secondary amine compound, preparation method and polyurea resin |
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