Water-emulsifiable polyisocyanates
Water-emulsifiable polyisocyanates (I) comprise: (A) (cyclo)aliphatic or aromatic polyisocyanates; and (B) reaction prods. contg. at least one reactive NCO gp. and made by reacting (A) with polyvinyl pyrrolidones (PVP's). Pref. the PVP content of the (A)+(B) compsn. is 1-20 wt.%. The PVP, which...
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Main Authors | , , , |
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Format | Patent |
Language | English French German |
Published |
28.02.2001
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Abstract | Water-emulsifiable polyisocyanates (I) comprise: (A) (cyclo)aliphatic or aromatic polyisocyanates; and (B) reaction prods. contg. at least one reactive NCO gp. and made by reacting (A) with polyvinyl pyrrolidones (PVP's). Pref. the PVP content of the (A)+(B) compsn. is 1-20 wt.%. The PVP, which esp. contains one or more NCO- reactive OH gps., is of Mn 400-40000. The (I)-contg. aq. dispersions are based on polyurethanes or radically-polymerised polymers. |
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AbstractList | Water-emulsifiable polyisocyanates (I) comprise: (A) (cyclo)aliphatic or aromatic polyisocyanates; and (B) reaction prods. contg. at least one reactive NCO gp. and made by reacting (A) with polyvinyl pyrrolidones (PVP's). Pref. the PVP content of the (A)+(B) compsn. is 1-20 wt.%. The PVP, which esp. contains one or more NCO- reactive OH gps., is of Mn 400-40000. The (I)-contg. aq. dispersions are based on polyurethanes or radically-polymerised polymers. |
Author | HUCKESTEIN, BRIGITTA KOTHRADE, STEPHAN HAEBERLE, KARL RENZ, HANS |
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Discipline | Medicine Chemistry Sciences |
DocumentTitleAlternate | Wasseremulgierbare Polyisocyanate Polyisocyanates émulsifiables dans l'eau |
Edition | 7 |
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Notes | Application Number: EP19960110996 |
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Snippet | Water-emulsifiable polyisocyanates (I) comprise: (A) (cyclo)aliphatic or aromatic polyisocyanates; and (B) reaction prods. contg. at least one reactive NCO gp.... |
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SubjectTerms | ACYCLIC OR CARBOCYCLIC COMPOUNDS ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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 NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES USE OF MATERIALS THEREFOR WOODSTAINS |
Title | Water-emulsifiable polyisocyanates |
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