Tertiary alkanolamine polyurethane catalysts derived from long chain alkyl and fatty carboxylic acids
AssigneeAir Products and Chemicals, Inc.
InventorJuan Jesus Burdeniuc
Life of this patent
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Abstract
The present invention relates to a method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of water as a blowing agent, a cell stabilizer, and a tertiary amine amide catalyst composition represented by formula (I): wherein A, R1-R6, and n are defined herein.
Claims23
A method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of water as a blowing agent, a cell stabilizer, and a catalyst composition represented by formula (I):
- wherein A represents CH or N;
- R1 represents hydrogen and R6 represents —CH2C(R7)(OH)CH2OR8;
- or
- R1 represents
- and R6 represents —CH2C(R7)(OH)CH2OR8;
- or
- R1 represents —CH2C(R7)(OH)CH2OR8 and R6 represents an alkyl or alkenyl group having C4-C36 carbon atoms;
- or
- R1 represents hydrogen and R6 represents —CH2C(R7)(OH)R8;
- or
- R1 represents
- and R6 represents —CH2C(R7)(OH)R8;
- or
- R1 represents —CH2C(R7)(OH)R8 and R6 represents an alkyl or alkenyl group having C4-C38 carbon atoms;
- R2 and R3 each represent hydrogen or an alkyl or alkenyl group having C1-C6 carbon atoms;
- R4 and R5 each represent an alkyl group having C1-C6 carbon atoms when A represents N;
- or
- R4 and R5 together represent a C2-C5 alkylene group when A represents N;
- or
- R4 and R5 together represent a C2-C5 alkylene group containing NR10 or NR11 when A is CH or N, where R10 is hydrogen or an alkyl group having C1-C4 carbon atoms and R11 is an alkyl group having C1-C4 carbon atoms or
- R7 represents hydrogen or an alkyl or alkenyl group having C1-C5 carbon atoms;
- R8 represents an alkyl or alkenyl group having C4-C36 carbon atoms or —COR9, where R9 represents an alkyl or alkenyl group having C3-C35 carbon atoms;
- and
- n is an integer from 1 to 3.
In a method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of water as a blowing agent, a cell stabilizer, and a catalyst composition, the improvement of enabling the reaction between water and isocyanate to cause blowing of the foam while maintaining and controlling the physical properties of the foam which comprises using a catalyst composition represented by formula (I):
- wherein A represents CH or N;
- R1 represents hydrogen and R6 represents —CH2C(R7)(OH)CH2OR8;
- or
- R1 represents
- and R6 represents —CH2C(R7)(OH)CH2OR8;
- or
- R1 represents —CH2C(R7)(OH)CH2OR8 and R6 represents an alkyl or alkenyl group having C4-C36carbon atoms;
- or
- R1 represents hydrogen and R6 represents —CH2C(R7)(OH)R8;
- or
- R1 represents
- and R6 represents —CH2C(R7)(OH)R8;
- or
- R1 represents —CH2C(R7)(OH)R8 and R6 represents an alkyl or alkenyl group having C4-C36 carbon atoms;
- R2 and R3 each represent hydrogen or an alkyl or alkenyl group having C1-C6 carbon atoms;
- R4 and R5 each represent an alkyl group having C1-C6 carbon atoms when A represents N;
- or
- R4 and R5 together represent a C2-C5 alkylene group when A represents N;
- or
- R4 and R5 together represent a C2-C5 alkylene group containing NR10 or NR11 when A is CH or N, where R10 is hydrogen or an alkyl group having C1-C4 carbon atoms and R11 is an alkyl group having C1-C4 carbon atoms or
- R7 represents hydrogen or an alkyl or alkenyl group having C1-C5 carbon atoms;
- R8 represents an alkyl or alkenyl group having C4-C36 carbon atoms or —COR9, where R9 represents an alkyl or alkenyl group having C3-C35 carbon atoms;
- and
- n is an integer from 1 to 3.
Dependencies are inferred from the claim text.