Low-viscosity allophanates containing actinically curable groups

Patent (2011)

A process for preparing binders containing allophanate groups which contain, at the oxygen atom of the allophanate group that is bonded via two single bonds, organic radicals with activated groups capable ... [more ▼]

A process for preparing binders containing allophanate groups which contain, at the oxygen atom of the allophanate group that is bonded via two single bonds, organic radicals with activated groups capable of participating in a polymerization reaction with ethylenically unsaturated compounds on exposure to actinic radiation; the process includes reacting A) one or more compounds containing uretdione groups with B) one or more OH-functional compounds which contain groups capable of participating in a polymerization reaction with ethylenically unsaturated compounds on exposure to actinic radiation, and C) optionally further NCO-reactive compounds, and D) in the presence of one or more compounds containing phenoxide groups, as catalysts.; The binders can be used in preparing coatings, coating materials, coating compositions, adhesives, printing inks, casting resins, dental compounds, sizes, photoresists, stereolithography systems, resins for composite materials and sealants. [less ▲]

Low viscosity allophanates containing actinically curable groups

Patent (2011)

The present invention relates to a process for preparing radiation-curing binders containing allophanate groups by reacting at temperatures of !<=130 DEG C. A) one or more compounds containing uretdione ... [more ▼]

The present invention relates to a process for preparing radiation-curing binders containing allophanate groups by reacting at temperatures of !<=130 DEG C. A) one or more compounds containing uretdione groups with B) one or more OH-functional compounds which contain groups which react, with polymerization, with ethylenically unsaturated compounds on exposure to actinic radiation (radiation-curing groups), C) optionally NCO-reactive compounds other than B), in the presence of D) a catalyst containing at least one zinc compound, to form allophanate groups by opening the uretdione ring. [less ▲]

Niedrigviskose allophanate mit aktinisch härtbaren gruppen

Patent (2010)

Die vorliegende Erfindung betrifft niedrigviskose Umsetzungsprodukte von Polyisocyanaten, die aktivierte unter Einwirkung aktinischer Strahlung mit ethylenisch ungesättigten Verbindungen unter ... [more ▼]

Die vorliegende Erfindung betrifft niedrigviskose Umsetzungsprodukte von Polyisocyanaten, die aktivierte unter Einwirkung aktinischer Strahlung mit ethylenisch ungesättigten Verbindungen unter Polymerisation reagierende Gruppen enthalten, ein Verfahren zu ihrer Herstellung sowie deren Verwendung in Beschichtungsmitteln. [less ▲]

Low viscosity allophanates having actinically hardenable groups

Patent (2010)

Die vorliegende Erfindung betrifft niedrigviskose Umsetzungsprodukte von Polyisocyanaten, die aktivierte unter Einwirkung aktinischer Strahlung mit ethylenisch ungesättigten Verbindungen unter ... [more ▼]

Die vorliegende Erfindung betrifft niedrigviskose Umsetzungsprodukte von Polyisocyanaten, die aktivierte unter Einwirkung aktinischer Strahlung mit ethylenisch ungesättigten Verbindungen unter Polymerisation reagierende Gruppen enthalten, ein Verfahren zu ihrer Herstellung sowie deren Verwendung in Beschichtungsmitteln. [less ▲]

Low-viscosity allophanates containing actinically curable groups

Patent (2008)

A process for preparing binders containing allophanate groups which contain, at the oxygen atom of the allophanate group that is bonded via two single bonds, organic radicals with activated groups capable ... [more ▼]

A process for preparing binders containing allophanate groups which contain, at the oxygen atom of the allophanate group that is bonded via two single bonds, organic radicals with activated groups capable of participating in a polymerization reaction with ethylenically unsaturated compounds on exposure to actinic radiation; the process includes reacting A) one or more compounds containing uretdione groups with B) one or more OH-functional compounds which contain groups capable of participating in a polymerization reaction with ethylenically unsaturated compounds on exposure to actinic radiation, and C) optionally further NCO-reactive compounds, and D) in the presence of one or more compounds containing phenoxide groups, as catalysts.; The binders can be used in preparing coatings, coating materials, coating compositions, adhesives, printing inks, casting resins, dental compounds, sizes, photoresists, stereolithography systems, resins for composite materials and sealants. [less ▲]

Niedrigviskose allophanate mit aktinisch härtbaren gruppen

Patent (2007)

Die vorliegende Erfindung betrifft niedrigviskose Umsetzungsprodukte von Polyisocyanaten, die aktivierte unter Einwirkung aktinischer Strahlung mit ethylenisch ungesättigten Verbindungen unter ... [more ▼]

Die vorliegende Erfindung betrifft niedrigviskose Umsetzungsprodukte von Polyisocyanaten, die aktivierte unter Einwirkung aktinischer Strahlung mit ethylenisch ungesättigten Verbindungen unter Polymerisation reagierende Gruppen enthalten, ein Verfahren zu ihrer Herstellung sowie deren Verwendung in Beschichtungsmitteln. [less ▲]

Low viscosity allophanates containing actinically hardenable groups

Patent (2006)

The invention relates to low-viscosity conversion products of polyisocyanates containing activated groups that, under the influence of actinic radiation, react with ethylenically unsaturated compounds ... [more ▼]

The invention relates to low-viscosity conversion products of polyisocyanates containing activated groups that, under the influence of actinic radiation, react with ethylenically unsaturated compounds while polymerizing, to a method for producing these conversion products, and to their use in coating agents. [less ▲]

Low-viscosity allophanates having actinically hardenable groups

Patent (2006)

A radiation-curing binder containing allophanate groups is prepared by reacting at =130[deg]C compound(s) containing uretdione groups with OH-functional compounds containing groups reacting with ... [more ▼]

A radiation-curing binder containing allophanate groups is prepared by reacting at =130[deg]C compound(s) containing uretdione groups with OH-functional compounds containing groups reacting with polymerization with ethylenically unsaturated compounds on exposure to actinic radiation, optionally other NCO-reactive compounds, in the presence of a catalyst comprising at least one zinc compound to form allophanate groups by opening the uretdione ring. Independent claims are also included for: (A) a coating composition comprising the radiation-curing binder(s) containing allophanate groups, optionally polyisocyanate(s) containing free or blocked isocyanate groups, which are free from groups which react, with polymerization, with ethylenically unsaturated compounds on exposure to actinic radiation, optionally other compounds containing groups which react, with polymerization, with ethylenically unsaturated compounds on exposure to actinic radiation, and optionally contain free or blocked NCO groups, optionally one or more isocyanate-reactive compounds, initiator(s), and optionally solvents; and (B) a substrate coated with a coating obtained from the radiation-curing binder containing allophanate groups. [less ▲]

Low viscosity allophanates containing actinically curable groups

Patent (2006)

The present invention relates to a process for preparing radiation-curing binders containing allophanate groups by reacting at temperatures of <=130 DEG C. A) one or more compounds containing uretdione ... [more ▼]

The present invention relates to a process for preparing radiation-curing binders containing allophanate groups by reacting at temperatures of <=130 DEG C. A) one or more compounds containing uretdione groups with B) one or more OH-functional compounds which contain groups which react, with polymerization, with ethylenically unsaturated compounds on exposure to actinic radiation (radiation-curing groups), C) optionally NCO-reactive compounds other than B), in the presence of D) a catalyst containing at least one zinc compound, to form allophanate groups by opening the uretdione ring. The present invention also relates to the binders obtained by the process of the invention and to coating compositions containing these binders. [less ▲]

Low viscosity allophanates having actinically hardenable groups

Patent (2005)

The invention relates to low-viscosity conversion products of polyisocyanates containing activated groups that, under the influence of actinic radiation, react with ethylenically unsaturated compounds ... [more ▼]

The invention relates to low-viscosity conversion products of polyisocyanates containing activated groups that, under the influence of actinic radiation, react with ethylenically unsaturated compounds while polymerizing, to a method for producing these conversion products, and to their use in coating agents. [less ▲]