Preparation method of water-soluble blocked isocyanate crosslinking agent
The invention discloses a preparation method of a water-soluble blocked isocyanate crosslinking agent. A plurality of existing blocked isocyanates are not suitable for a fabric coating, and has poor binding strength between a coating glue and the fabric. The preparation method provided by the invent...
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| creator | YU DEHAI WANG SHENGPENG QU SHAOMIN |
| description | The invention discloses a preparation method of a water-soluble blocked isocyanate crosslinking agent. A plurality of existing blocked isocyanates are not suitable for a fabric coating, and has poor binding strength between a coating glue and the fabric. The preparation method provided by the invention comprises the steps of: first grafting hydrophilic groups into an isocyanate structure; blocking excessive isocyanate groups with a sealant; and finally emulsifying, dispersing and distilling to removal a solvent, so as to obtain the water-soluble blocked isocyanate crosslinking agent. The water-soluble blocked isocyanate crosslinking agent provided by the invention can be applied to a fabric coating process to significantly improve the peeling strength of the coating, and improve hydrostatic pressure, wet rubbing fastness, tensile strength and washing fastness of the coating by different degrees. |
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A plurality of existing blocked isocyanates are not suitable for a fabric coating, and has poor binding strength between a coating glue and the fabric. The preparation method provided by the invention comprises the steps of: first grafting hydrophilic groups into an isocyanate structure; blocking excessive isocyanate groups with a sealant; and finally emulsifying, dispersing and distilling to removal a solvent, so as to obtain the water-soluble blocked isocyanate crosslinking agent. The water-soluble blocked isocyanate crosslinking agent provided by the invention can be applied to a fabric coating process to significantly improve the peeling strength of the coating, and improve hydrostatic pressure, wet rubbing fastness, tensile strength and washing fastness of the coating by different degrees.</description><language>chi ; eng</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR ; LAUNDERING ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; TEXTILES ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TREATMENT OF TEXTILES OR THE LIKE ; TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS</subject><creationdate>2012</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=20121212&DB=EPODOC&CC=CN&NR=102816294A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20121212&DB=EPODOC&CC=CN&NR=102816294A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YU DEHAI</creatorcontrib><creatorcontrib>WANG SHENGPENG</creatorcontrib><creatorcontrib>QU SHAOMIN</creatorcontrib><title>Preparation method of water-soluble blocked isocyanate crosslinking agent</title><description>The invention discloses a preparation method of a water-soluble blocked isocyanate crosslinking agent. A plurality of existing blocked isocyanates are not suitable for a fabric coating, and has poor binding strength between a coating glue and the fabric. The preparation method provided by the invention comprises the steps of: first grafting hydrophilic groups into an isocyanate structure; blocking excessive isocyanate groups with a sealant; and finally emulsifying, dispersing and distilling to removal a solvent, so as to obtain the water-soluble blocked isocyanate crosslinking agent. 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A plurality of existing blocked isocyanates are not suitable for a fabric coating, and has poor binding strength between a coating glue and the fabric. The preparation method provided by the invention comprises the steps of: first grafting hydrophilic groups into an isocyanate structure; blocking excessive isocyanate groups with a sealant; and finally emulsifying, dispersing and distilling to removal a solvent, so as to obtain the water-soluble blocked isocyanate crosslinking agent. The water-soluble blocked isocyanate crosslinking agent provided by the invention can be applied to a fabric coating process to significantly improve the peeling strength of the coating, and improve hydrostatic pressure, wet rubbing fastness, tensile strength and washing fastness of the coating by different degrees.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS |
| title | Preparation method of water-soluble blocked isocyanate crosslinking agent |
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