Cyclic carbonate prepolymer, silane modified non-isocyanate polyurethane resin as well as preparation method and application thereof
The invention relates to a cyclic carbonate prepolymer, silane modified non-isocyanate polyurethane resin and a preparation method and application thereof. The cyclic carbonate prepolymer is prepared by the following steps: S1, reacting polymer polyol with binary anhydride to obtain polymer polybasi...
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| creator | LI GUIFEI ZHANG ZHIWEN YANG XIONG ZHANG HONGLI FANG ZHANGJIAN HU SITING ZHAN FENG |
| description | The invention relates to a cyclic carbonate prepolymer, silane modified non-isocyanate polyurethane resin and a preparation method and application thereof. The cyclic carbonate prepolymer is prepared by the following steps: S1, reacting polymer polyol with binary anhydride to obtain polymer polybasic acid; and S2, adding glycerol carbonate for a reaction so as to obtain a cyclic carbonate prepolymer, wherein the molecular weight Mw of the polymer polyol ranges from 2000 to 20000. The cyclic carbonate prepolymer is subjected to chain extension with a small amount of a diamine chain extender and an amino silane coupling agent to obtain the silane modified non-isocyanate polyurethane resin. The silane-terminated modified non-isocyanate polyurethane resin is in a liquid state at room temperature, is low in viscosity and has good interface wettability, and a sealing adhesive prepared by taking the silane-terminated modified non-isocyanate polyurethane resin as base resin has excellent binding power and good mechan |
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The cyclic carbonate prepolymer is prepared by the following steps: S1, reacting polymer polyol with binary anhydride to obtain polymer polybasic acid; and S2, adding glycerol carbonate for a reaction so as to obtain a cyclic carbonate prepolymer, wherein the molecular weight Mw of the polymer polyol ranges from 2000 to 20000. The cyclic carbonate prepolymer is subjected to chain extension with a small amount of a diamine chain extender and an amino silane coupling agent to obtain the silane modified non-isocyanate polyurethane resin. The silane-terminated modified non-isocyanate polyurethane resin is in a liquid state at room temperature, is low in viscosity and has good interface wettability, and a sealing adhesive prepared by taking the silane-terminated modified non-isocyanate polyurethane resin as base resin has excellent binding power and good mechan</description><language>chi ; eng</language><subject>ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ; ADHESIVES ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; DYES ; 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 ; POLISHES ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; USE OF MATERIALS AS ADHESIVES</subject><creationdate>2022</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=20220211&DB=EPODOC&CC=CN&NR=114031767A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220211&DB=EPODOC&CC=CN&NR=114031767A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LI GUIFEI</creatorcontrib><creatorcontrib>ZHANG ZHIWEN</creatorcontrib><creatorcontrib>YANG XIONG</creatorcontrib><creatorcontrib>ZHANG HONGLI</creatorcontrib><creatorcontrib>FANG ZHANGJIAN</creatorcontrib><creatorcontrib>HU SITING</creatorcontrib><creatorcontrib>ZHAN FENG</creatorcontrib><title>Cyclic carbonate prepolymer, silane modified non-isocyanate polyurethane resin as well as preparation method and application thereof</title><description>The invention relates to a cyclic carbonate prepolymer, silane modified non-isocyanate polyurethane resin and a preparation method and application thereof. 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The cyclic carbonate prepolymer is prepared by the following steps: S1, reacting polymer polyol with binary anhydride to obtain polymer polybasic acid; and S2, adding glycerol carbonate for a reaction so as to obtain a cyclic carbonate prepolymer, wherein the molecular weight Mw of the polymer polyol ranges from 2000 to 20000. The cyclic carbonate prepolymer is subjected to chain extension with a small amount of a diamine chain extender and an amino silane coupling agent to obtain the silane modified non-isocyanate polyurethane resin. The silane-terminated modified non-isocyanate polyurethane resin is in a liquid state at room temperature, is low in viscosity and has good interface wettability, and a sealing adhesive prepared by taking the silane-terminated modified non-isocyanate polyurethane resin as base resin has excellent binding power and good mechan</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES 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 POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES |
| title | Cyclic carbonate prepolymer, silane modified non-isocyanate polyurethane resin as well as preparation method and application thereof |
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