| Patent Number |
Title Of Patent |
Date Issued |
| 7091280 |
Stabilized aqueous polyurethane-polyurea dispersions |
August 15, 2006 |
| The present invention relates to a binder composition containing A) at least one aqueous polyurethane-polyurea dispersion and B) at least one stabilizer containing a) at least one amine having a structural unit corresponding to formula (I) ##STR00001## which has no hydrazide g |
| 6919417 |
One-component polyurethane stoving coating compositions and their use |
July 19, 2005 |
| The present invention relates to aqueous- or solvent-based, one-component, polyurethane stoving coating compositions containing i) polyisocyanates blocked with CH-acidic esters, especially malonic esters, ii) OH-containing polymeric compounds, and iii) 0.5 to 4.0 wt. %, based on the |
| 6723817 |
Polyisocyanates blocked with epsilon-caprolactam and either diisopropylamine or 1,2,4-triazole, |
April 20, 2004 |
| The present invention relates to a blocked polyisocyanate containing:wherein the equivalent percents of isocyanate components A1) and A2) add up to 100 %, and the equivalent percents of blocking agents B1) and B2) add up to 100 to 110%, based on the equivalents of component A). The present |
| 6716910 |
Aqueous and/or water-dilutable polyisocyanate crosslinkers blocked with diisopropylamine |
April 6, 2004 |
| The invention relates to aqueous and/or water-dilutable polyisocyanate crosslinkers blocked with diisopropylamine, to their preparation and use in one-component baking lacquers, for example as fillers in automotive lacquering. |
| 6713556 |
Dimethylpyrazole-blocked isocyanate mixtures |
March 30, 2004 |
| The invention relates to particular mixtures of polyisocyanates which are blocked with 3,5-dimethylpyrazole, and to the use thereof as crosslinking component in single-component stoving lacquers, especially automotive clear lacquers. |
| 6586523 |
Self-crosslinking polyurethane, polyurethane polyurea or polyurea dispersions for sizing agents |
July 1, 2003 |
| The invention relates to self-crosslinking polyurethane, polyurethane-polyurea or polyurea dispersions, a process for the preparation of such dispersions and the use thereof. |
| 6583216 |
Malonic ester-blocked HDI trimer with IPDA stabilization and formaldehyde stabilization |
June 24, 2003 |
| The present invention relates to blocked polyisocyanate cross-linking agents and their use in one-component stoving lacquers, in particular in solvent-containing or predominantly water-based plastics coatings having a soft-feel effect. |
| 6559264 |
Malonic acid ester/triazole mixed blocked HDI trimer/formaldehyde stabilization |
May 6, 2003 |
| The present invention relates to blocked polyisocyanate crosslinking agents, to the production thereof and to the use thereof in single-component stoving lacquers, particularly OEM clear lacquers (original equipment material, initial lacquer coating). |
| 6451963 |
Method of coagulating aqueous PUR dispersions containing dispersed therein reactive or secondary |
September 17, 2002 |
| The invention relates to a process for the coagulation of PU dispersions, the coagulation products thus obtained and the use of the coagulated PU dispersions.Reactive or post-crosslinkable PU dispersions are suitable as PU dispersions for the process according to the invention. The proce |
| 6242530 |
Stabilized blocked isocyanates and their use in polyurethane stoving lacquers |
June 5, 2001 |
| The present invention relates to (cyclo)aliphatic polyisocyanates which have a content of blocked and unblocked isocyanate groups (calculated a NCO) of 5 to 25 wt. %, in which at least 95% of the isocyanate groups are present in a form blocked with blocking agents, and which also contain |
| 6187860 |
Aqueous polyisocyanate crosslinking agents modified with hydroxycarboxylic acids and pyrazole-ba |
February 13, 2001 |
| The present invention relates to aqueous or water dilutable blocked polyisocyanates containinga) a polyisocyanate component and, based on the equivalents of isocyanate groups,b) 60 to 85 equivalent % of a pyrazole blocking agent,c) 15 to 40 equivalent % of a monohydroxycarboxylic acid to imp |
| 6060573 |
Polyisocyanates blocked with CH-acidic esters and stabilized against thermal yellowing |
May 9, 2000 |
| The present invention relates to a stabilized, aliphatic and/or cycloaliphatic, blocked polyisocyanates which havei) isocyanate groups blocked with CH-acidic esters,ii) a content of blocked isocyanate groups (calculated as NCO, MW 42) of 5 to 20, preferably 7 to 15 wt. %, based on the solids |
| 6005046 |
Polyisocyanates blocked with 3,5-dimethyl-1,2,4-triazole |
December 21, 1999 |
| This invention relates to polyisocyanates which are partially or completely blocked with 3,5-dimethyl-1,2,4-triazole, to heat curable, one-component coating compositions containing these blocked polyisocyanates and to the resulting coatings. |
| 5961878 |
Amine-blocked polyisocyanates and their use in one-component stoving compositions |
October 5, 1999 |
| The invention relates to non-crystallising, amine-blocked polyisocyanates, to the preparation thereof and to their in one-component polyurethane stoving compositions, in particular for coil-coating applications. |
| 5889106 |
Polyisocyanates blocked with 3,5-dimethyl-1,2,4-triazole |
March 30, 1999 |
| This invention relates to polyisocyanates which are partially or completely blocked with 3,5-dimethyl-1,2,4-triazole, to heat curable, one-component coating compositions containing these blocked polyisocyanates and to the resulting coatings. |
| 5852106 |
Coating compositions for glass substrates |
December 22, 1998 |
| The present invention relates to aqueous polyurethane coating compositions wherein the binder containsa) a polyol component, which is soluble or dispersible in water and is the reaction product of a polyisocyanate component containing 50 to 100 wt. % of 4,4'-diisocyanatodicyclohexylmetha |
| 5744633 |
Process for the production of diurethanes and their use for the production of diisocyanates |
April 28, 1998 |
| A new process for the production of high purity (cyclo)aliphatic diurethanes from (cyclo)aliphatic diamines, alcohols and urea in a multistep reaction in which (1) urea is reacted with alcohol with elimination of ammonia, (2) diamine is then introduced into the reaction mixture, opti |
| 5738912 |
Dispersion of post-curable coating compounds |
April 14, 1998 |
| The invention relates to a method for coating textiles and/or leather with an aqueous dispersion comprising(A) a mixture of(i) a urethane-containing blocked NCO prepolymer having a number average molecular weight of 2000 to 10,000, a content of blocked isocyanate groups (calculated as NC |
| 5723536 |
Aqueous or water-dilutable blocked polyisocyanates and their use for preparing polyurethane clea |
March 3, 1998 |
| The present invention relates to novel aqueous or water-dilutable blocked polyisocyanates and to their use for the production of one-component polyurethane coating compositions, which are stovable at relatively low temperatures of 130.degree. to 150.degree. C. and provide clear coatings |
| 5691438 |
Blocked polyisocyanates and their use in stoving lacquers |
November 25, 1997 |
| Polyisocyanates which have 1,2,4,-triazole-blocked isocyanate groups and a blocked isocyanate group content of 7 to 14 wt. % and which are reaction products ofA) a polyisocyanate component selected from (i) lacquer polyisocyanates based on (cyclo)aliphatic diisocyanates or (ii) mixtures |
| 5672229 |
Solvent-free two-component polyurethane reactive adhesives and their use for producing sandwich- |
September 30, 1997 |
| This invention relates to solvent-free two-component polyurethane reactive adhesives comprising(A) a polyisocyanate component based on diphenylmethane diisocyanates,(B) a water-containing polyol component having a maximum of three OH groups, a water content of 0.25 to 2.0 wt. %, and an OH va |
| 5596064 |
Polyisocyanates blocked with a mixture of blocking agents |
January 21, 1997 |
| Blocked polyisocyanates containing aliphatically and/or cycloaliphatically bound isocyanate groups blocked by a mixture of blocking agents containingA) 30 to 70 equivalent % of 1,2,4-triazole,B) 30 to 70 equivalent % of 3,5-dimethylpyrazole, andC) 0 to 30 equivalent % of other blocking agents,a |
| 5563208 |
Aqueous binder mixture and use thereof |
October 8, 1996 |
| An aqueous binder mixture comprising substantially an aqueous solution and/or dispersion of a combination of a) at least one NCO prepolymer which is soluble and/or dispersible in water in the presence of component b), exhibits urethane groups and has blocked isocyanate groups, and b) a |
| 5532313 |
Heat curable coating compositions and their use as top coats |
July 2, 1996 |
| The present invention relates to heat curable coating compositions containing a binder consisting essentially ofA) prepolymers which have butanone oxime-blocked isocyanate groups and are prepared fromA1) (cyclo)aliphatic polyisocyanates andA2) an organic polyhydroxyl component in whichA2.1 ) |
| 5523377 |
Blocked polyisocyanates |
June 4, 1996 |
| Blocked (cyclo)aliphatic polyisocyanates wherein 30 to 70 equivalent-% of the isocyanate groups are blocked with butanone oxime, 30 to 70 equivalent-% of the isocyanate groups are blocked with 1,2,4-triazole and 0 to 30 equivalent-% of the isocyanate groups are blocked with other blo |
| 5510432 |
Mixed blocked isocyanate prepolymers, a process for their production and their use for the produ |
April 23, 1996 |
| Isocyanate prepolymers based on an aromatic diisocyanate and a polyether polyol in which at least 95% of the isocyanate groups are blocked by blocking agents selected fromA) about 50 to about 97 equivalent % of a phenol or substituted phenol,B) about 30 to about 50 equivalent % of a pyrazole |
| 5422413 |
Thermosetting coating composition and its use for primer coatings on metal substrates |
June 6, 1995 |
| The present invention relates to a thermosetting coating composition based on a binder composition containingA) prepolymers containing isocyanate groups blocked with .epsilon.-caprolactam, having an average molecular weight of 1000 to 10,000 and prepared fromA1) aromatic polyisocyanates |
| 5350825 |
At least partially blocked organic polyisocyanates, a process for their preparation and their us |
September 27, 1994 |
| The present invention relates to organic polyisocyanates which have a content of unblocked and blocked isocyanate groups (calculated as NCO) of 5 to 20 wt.%, preferably 7 to 15 wt.%, wherein at least 95%, preferably 100%, of the isocyanate groups are present in blocked form and wherein t |
| 5219893 |
Process for the production of open-cell, cold-formable rigid polyurethane foams and their use fo |
June 15, 1993 |
| Open-celled, cold-formable polyurethane foams are made by reacting a specific crude MDI with a polyol component which includes hydroxyl polyethers having an OH number of from about 28 to about 600, a difunctional phthalic acid hydroxyl polyester having an OH number of from about 150 |
| 5179143 |
Process for the preparation of compression molded materials |
January 12, 1993 |
| This invention relates to a process for the preparation of compression molded materials comprising compressing a substrate with a binder based on polyisocyanates, wherein said binder comprises polyisocyanates, compounds containing at least two isocyanate reactive hydrogen atoms, and alky |
| 4756785 |
Process for the preparation of adhesives and their use for the formation of bonds |
July 12, 1988 |
| The preparation and use of polyurethane-based hot melt adhesives which are cross-linked under the influence of heat comprising reacting(a) a polyisocyanate component containing at least one organic polyisocyanate with(b) a polyol component containing(b1) at least one organic polyhydroxyl com |
| 4727095 |
Rigid foams deformable by heat and processes for their preparation and use |
February 23, 1988 |
| Thermoformable rigid foams are made by reacting an organic polyisocyanate with a polyol component. The polyol component includes at least one organic polyhydroxyl compound having a hydroxyl number of from 28 to 1200, a foaming agent, a catalyst and a compound which masks isocyanate group |
| 4446293 |
Low-solvent, thermosetting reactive polyurethane coating composition, a process for its producti |
May 1, 1984 |
| The invention relates to low-solvent, thermosetting reactive polyurethane coating compositions which are particularly resistant to light, oxidation and hydrolysis, do not crystallize or harden and comprise the following components:(A) a ketoxime-blocked NCO-prepolymer of1. 1 mole of 2- t |
| 4426487 |
Mixtures of NCO prepolymers containing tertiary nitrogen atoms and the use thereof as adhesives |
January 17, 1984 |
| This invention relates to a mixture which is stable in storage in the absence of moisture and comprises the following:(a) polyurethane prepolymers containing incorporated tertiary nitrogen atoms, structural units corresponding to the following formula: and terminal isocyanate groups,(b) arom |
| 4369301 |
Lacquer polyisocyanates, process for the production thereof and use thereof as isocyanate compon |
January 18, 1983 |
| The present invention relates to lacquer polyisocyanates which contain about 0 to 8% free isocyanate groups, about 10 to 28% blocked isocyanate groups and about 2 to 10% of the structural units, --NH--NH--CO--O, all percentages based on the weight of the polyisocyanates, but excluding th |
| 4299868 |
Coating compositions |
November 10, 1981 |
| This invention relates to compositions which are crosslinkable by heating to form polyurethane plastics for coating substrates, preferably textile sheet-form materials, in particular by the reverse coating process. For ecological and economic reasons, the coating compositions are free fr |
| 4248756 |
Thermosetting coating compositions and process for the coating of substrates |
February 3, 1981 |
| The present invention relates to thermosetting two-component coating compositions containing(A) a prepolymer having an average molecular weight of from 1,000 to 15,000 having an average of from 2 to 4 ketoxime-blocked aromatic isocyanate groups;(B) a crosslinking agent corresponding to t |
| 4242410 |
Process for the production of foam plastics based on polyisocyanates having a light and yellowin |
December 30, 1980 |
| The instant invention is directed to a process for the production of molded polyisocyanate-based foam products having a compact, light- and yellowing-resistant polyurethane-based top layer comprising the steps of:A. coating a mold with a liquid polyurethane-polyurea-based coating agent, |
| 4108842 |
Preparation of polyurethane ureas using as hardeners mixtures of water, amines, aldimines and ke |
August 22, 1978 |
| The present invention relates to a process for the production of polyurethane ureas from a prepolymer which contains isocyanate groups and a mixture of hardeners containing amino groups, in the presence of water, and optionally in the presence of solvents, characterized in that the m |
| 4107200 |
Bis(aminopropyl) arylacetonitriles and preparation thereof |
August 15, 1978 |
| This invention relates to new aliphatic diamines containing cyanide groups, a process for their preparation by hydrogenation of the corresponding trinitriles and their use as chain lengthening agents in the isocyanate polyaddition process. |
| 4107199 |
Bis(isocyanatopropyl) arylacetonitriles |
August 15, 1978 |
| The instant invention relates to nitrilediisocyanates of the formula: ##STR1## wherein Ar represents an aromatic hydrocarbon group having 6 to 14 carbon atoms which may contain one or more substituents which are inert towards isocyanate groups andR represents hydrogen or an aliphatic |
| 4068529 |
Method and apparatus for automatically performing series analyses |
January 17, 1978 |
| Automatic sample preparation method and apparatus for making successive measurements with an analyzer by picking up with a single stepwise movable metering probe, in a first measuring cycle, a sample for measurement from a sample container and a small volume of air; introducing this samp |
| 3948794 |
Adhesive compositions containing a cyanoacrylate and itaconic anhydride |
April 6, 1976 |
| Adhesive compositions based on 2-cyanoacrylate monomers in which storage stability, cure speed and other properties are improved by inclusion of itaconic acid anhydride. |
