SYNTHESIS OF POLYURETHANE POLYMERS VIA COPPER AZIDE-ALKYNE CLICK CHEMISTRY FOR COATINGS, ADHESIVES, SEALANTS AND ELASTOMER APPLICATIONS
申请人:Sika Technology AG
公开号:US20150368530A1
公开(公告)日:2015-12-24
The present application is directed at the reaction product of an azide compound having two or more azide groups attached thereto and an alkyne compound having two or more alkyne groups attached thereto, wherein the azide and alkyne groups react in a 1,3-dipolar cyclo addition to form 1,4-disubstituted triazols and wherein the azide or alkyne compound or both include —O—(C═O)—NR— functional groups. The reaction products can be used as coatings, such as for flat roofs, sealants, adhesives and in elastomer applications. Methods for producing the reaction products as well as substrates including a coating of the reaction product are also disclosed.
US9790398B2
申请人:——
公开号:US9790398B2
公开(公告)日:2017-10-17
[EN] CURABLE COMPOSITIONS CONTAINING URETHANE LINKAGES FOR REWORKABLE ADHESIVES<br/>[FR] COMPOSITIONS DURCISSABLES CONTENANT DES LIAISONS URÉTHANNES POUR ADHÉSIFS APTES À UNE REPRISE
申请人:HENKEL CORP
公开号:WO2009155291A1
公开(公告)日:2009-12-23
A reworkable resin having an urethane linkage with a thermally curable terminal functionality is disclosed. The cured product of the reworkable resin is particularly useful to adhere electronic components to substrates where reworkability is desirable
[EN] SYNTHESIS OF POLYURETHANE POLYMERS VIA COPPER AZIDE-ALKYNE CLICK CHEMISTRY FOR COATINGS, ADHESIVES, SEALANTS AND ELASTOMER APPLICATIONS<br/>[FR] SYNTHÈSE DE POLYMÈRES DE POLYURÉTHANE PAR CHIMIE CLICK DE COUPLAGE AZIDE-ALCYNE CATALYSÉE PAR LE CUIVRE POUR REVÊTEMENTS, ADHÉSIFS, MATÉRIAUX D'ÉTANCHÉITÉ ET APPLICATIONS ÉLASTOMÈRES
申请人:SIKA TECHNOLOGY AG
公开号:WO2014122153A1
公开(公告)日:2014-08-14
The present application is directed at the reaction product of an azide compound having two or more azide groups attached thereto and an alkyne compound having two or more alkyne groups attached thereto, wherein the azide and alkyne groups react in a 1,3-dipolar cyclo addition to form 1,4-disubstituted triazols and wherein the azide or alkyne compound or both comprise -O-(C=O)-NR- functional groups. The inventive reaction products are suitable as a replacement for conventional polyurethane-based sealing, coating and adhesive materials and provide the benefits, that the final cross-linking reaction proceeds in the absence of isocyanates leading to significantly lower exposition risks than the conventional polyisocyanate-based materials. The present application further relates to the use of these reaction products as coatings, preferably for flat roofs, sealants, adhesives and in elastomer applications. Furthermore, the present application relates to methods for producing the reaction products as well as substrates comprising a coating of said reaction product.