A PROCESS FOR THE PREPARATION OF LIQUID STORABLE ORGANIC ISOCYANATES CONTAINING CARBODIMIDE AND/OR URETONE IMINE GROUPS AND THEIR USE FOR THE PREPARATION OF POLYURETHANE PLASTICS
The present invention relates to liquid storable organic isocyanates containing carbodiimide and/or uretone imine groups prepared by (a) partially carbodiimidizing isocyanate groups of an organic isocyanate with catalysts of the phospholine type, and (b) terminating the carbodiimidization reaction b...
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| creator | WELTE, RAINER SCHOLL, HANS JOACHIM |
| description | The present invention relates to liquid storable organic isocyanates containing carbodiimide and/or uretone imine groups prepared by (a) partially carbodiimidizing isocyanate groups of an organic isocyanate with catalysts of the phospholine type, and (b) terminating the carbodiimidization reaction by the addition of a silylated acid corresponding to the formula X-[Si(CH3)3]n in which X represents the neutral acid residue obtained by removal of the acidic hydrogen atoms from an n-basic acid having a pK a value of at most 3, other than a hydrohalic acid, and n is an integer of 1 to 3. The invention further relates to the use of the liquid polyisocyanate mixtures according to the invention for the preparation of polyurethane plastics, preferably polyurethane foams, having improved burning behavior. |
| format | Patent |
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The invention further relates to the use of the liquid polyisocyanate mixtures according to the invention for the preparation of polyurethane plastics, preferably polyurethane foams, having improved burning behavior.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY COMPOSITIONS BASED THEREON HETEROCYCLIC COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | A PROCESS FOR THE PREPARATION OF LIQUID STORABLE ORGANIC ISOCYANATES CONTAINING CARBODIMIDE AND/OR URETONE IMINE GROUPS AND THEIR USE FOR THE PREPARATION OF POLYURETHANE PLASTICS |
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