Novel aromatic amide polyols from the reaction of phthalic acid residues, alkylene glycols and amino alcohols

Claim 2

A mixture of aromatic polyols having amine and ester functionalities for use in preparing rigid foams, being produced by the process comprising reacting a residue selected from the group consisting of a dimethyl terephthalate manufacturing residue and a polyethylene terephthalate manufacturing residue, with an alkylene glycol and a tertiary amino alcohol.

Claim 3

The mixture of aromatic polyols of claim 1 in which the tertiary amino alcohol has the formula ##STR5## where R and R' are hydrogen or lower alkyl of one to four carbon atoms except that R does not equal R'; a,b,c,d,e and f are from zero to 4 except that the sums a+b, c+d and e+f range from 1 to 4.

Claim 4

The mixture of aromatic polyols of claim 1 in which the alkylene glycol has the formula ##STR6## where R' is hydrogen or lower alkyl of one to four carbon atoms and m is from 1 to 3.

Claim 5

The mixture of aromatic polyols of claim 1 in which the reaction to make the polyol is conducted at a temperature in the range between ambient and 300° C. and at a pressure between atmospheric and 2 atmospheres.

Claim 6

The mixture of aromatic polyols of claim 1 in which the resulting mixture of aromatic polyols has an average hydroxyl number in the range between 150 and 600.

Claim 7

A mixture of aromatic polyols having amine and ester functionalities for use in preparing rigid foams, being produced by the process comprising reacting a. a residue selected from the group consisting of a dimethyl terephthalate manufacturing residue and a polyethylene terephthalate manufacturing residue, b. an alkylene glycol having the formula ##STR7## where R' is hydrogen or lower alkyl of one to four carbon atoms and m is from 1 to 3, and c. a tertiary amino alcohol of the formula ##STR8## where R and R' are hydrogen or lower alkyl of one to four carbon atoms except that R does not equal R'; a,b,c, d,e and f are from zero to 4 except that the sums a+b, c+d and e+f range from 1 to 4 at a temperature in the range between ambient and 300° C. and at a pressure between atmospheric and 2 atmospheres to produce a mixture of polyols which has an average hydroxyl number in the range between 150 and 600.

Claim 8

A mixture of aromatic polyols having amine and ester functionalities for use in preparing rigid foams, being produced by the process comprising reacting a. a residue selected from the group consisting of a dimethyl terephthalate manufacturing residue and a polyethylene terephthalate manufacturing residue, b. an alkylene glycol having the formula ##STR7## where R' is hydrogen or lower alkyl of one to four carbon atoms and m is from 1 to 3, and c. a tertiary amino alcohol of the formula ##STR8## where R and R' are hydrogen or lower alkyl of one to four carbon atoms except that R does not equal R'; a,b,c, d,e and f are from zero to 4 except that the sums a+b, c+d and e+f range from 1 to 4 at a temperature in the range between ambient and 300° C. and at a pressure between atmospheric and 2 atmospheres to produce a mixture of polyols which has an average hydroxyl number in the range between 150 and 600.

Claim 11

The method of claim 7 in which the alkylene glycol has the formula ##STR9## where R' is hydrogen or lower alkyl of one to four carbon atoms and m is from 1 to 3.

Claim 12

The method of claim 7 in which the amino alcohol has the formula ##STR10## where R and R' are hydrogen or lower alkyl of one to four carbon atoms except that R does not equal R'; a,b,c,d,e and f are from zero to 4 except that the sums a+b, c+d and e+f range from 1 to 4.

Claim 13

The method of claim 7 in which the reaction is conducted at a temperature in the range between ambient and 300° C. and at a pressure between atmospheric and 2 atmospheres.

Claim 14

The method of claim 7 in which the resulting mixture of aromatic polyols has an average hydroxyl number in the range between 150 and 600.

Claim 15

A rigid polyurethane foam obtained by reacting in the presence of a blowing agent and a catalyst of polyurethane formation, an organic polyisocyanate and a mixture of aromatic polyols having tertiary amine and ester functionalities which is the reaction product of a residue selected from the group consisting of a dimethyl terephthalate manufacturing residue and a polyethylene terephthalate manufacturing residue, an alkylene glycol and an amino alcohol.

Claim 16

A rigid polyurethane foam obtained by reacting in the presence of a blowing agent and a catalyst of polyurethane formation, an organic polyisocyanate and a mixture of aromatic polyols having tertiary amine and ester functionalities which is the reaction product of a residue selected from the group consisting of a dimethyl terephthalate manufacturing residue and a polyethylene terephthalate manufacturing residue, an alkylene glycol and an amino alcohol.

Claim 17

The rigid foam of claim 12 in which the blowing agent is trichlorofluoromethane.

Claim 18

A rigid polyurethane foam obtained by reacting in the presence of a blowing agent and a catalyst of polyurethane formation, an organic polyisocyanate and an aromatic polyol blend comprising a. from about 5 to 100 percent by weight of a mixture of aromatic polyols having tertiary amine and ester functionalities made by the process comprising reacting (1) a residue taken as a waste from the production of one of the group consisting of phthalic acid, dimethyl terephthalate and polyethylene terephthalate, (2) an alkylene glycol having the formula ##STR11## where R' is hydrogen or lower alkyl and m is from 1 to 3, and (3) a tertiary amino alcohol of the formula ##STR12## where R and R' are hydrogen or lower alkyl of one to four carbon atoms except that R does not equal R'; a,b,c,d,e and f are from zero to 4 except that the sums a+b, c+d and e+f range from 1 to 4 at a temperature in the range between ambient and 300° C. and at a pressure between atmospheric and 2 atmospheres to produce a mixture of polyols which has an average hydroxyl number in the range between 150 and 600, and b. from about 95 to 0 percent by weight of a nitrogen-containing polyol which is the reaction product from (1) reacting one mole of phenol or nonylphenol with one to two moles of ethanolamine to give a Mannich reaction product, and (2) subsequently reacting one mole of the Mannich reaction product with 2 to 3 moles of propylene oxide.

Claim 19

A rigid polyurethane foam obtained by reacting in the presence of a blowing agent and a catalyst of polyurethane formation, an organic polyisocyanate and an aromatic polyol blend comprising a. from about 5 to 100 percent by weight of a mixture of aromatic polyols having tertiary amine and ester functionalities made by the process comprising reacting (1) a residue taken as a waste from the production of one of the group consisting of phthalic acid, dimethyl terephthalate and polyethylene terephthalate, (2) an alkylene glycol having the formula ##STR11## where R' is hydrogen or lower alkyl and m is from 1 to 3, and (3) a tertiary amino alcohol of the formula ##STR12## where R and R' are hydrogen or lower alkyl of one to four carbon atoms except that R does not equal R'; a,b,c,d,e and f are from zero to 4 except that the sums a+b, c+d and e+f range from 1 to 4 at a temperature in the range between ambient and 300° C. and at a pressure between atmospheric and 2 atmospheres to produce a mixture of polyols which has an average hydroxyl number in the range between 150 and 600, and b. from about 95 to 0 percent by weight of a nitrogen-containing polyol which is the reaction product from (1) reacting one mole of phenol or nonylphenol with one to two moles of ethanolamine to give a Mannich reaction product, and (2) subsequently reacting one mole of the Mannich reaction product with 2 to 3 moles of propylene oxide.

Claim 20

The rigid polyurethane foam of claim 14 in which the polyol blend has a hydroxyl number in the range from 200 to 600.

Claim 21

The rigid polyurethane foam of claim 14 in which the blowing agent is trichlorofluoromethane.

Claim 22

A rigid polyisocyanurate foam obtained by reacting in the presence of a blowing agent and a trimerization catalyst of polyisocyanurate formation, an organic polyisocyanate and a mixture of aromatic polyols having tertiary amine and ester functionalities which is the reaction product of a residue selected from the group consisting of a dimethyl terephthalate manufacturing residue and a polyethylene terephthalate manufacturing residue, an alkylene glycol and an amino alcohol.

Claim 23

A rigid polyisocyanurate foam obtained by reacting in the presence of a blowing agent and a trimerization catalyst of polyisocyanurate formation, an organic polyisocyanate and a mixture of aromatic polyols having tertiary amine and ester functionalities which is the reaction product of a residue selected from the group consisting of a dimethyl terephthalate manufacturing residue and a polyethylene terephthalate manufacturing residue, an alkylene glycol and an amino alcohol.

Claim 24

The rigid foam of claim 17 in which the blowing agent is trichlorofluoromethane.