Polyesters modified with difunctional sulfo-aromatic compound, chain terminating agents, and chain branching agents, and process for producing same

Claim 1

A METHOD FOR PRODUCING FIBER-FORMING MODIFIED POLYESTERS WHICH COMPRISES MIXING TOGETHER (1) A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AROMATIC DICARBOXYLIC ACIDS IN WHICH THE AROMATIC NUCLEUS IS SUBSTITUTED ONLY WITH CARBOXYL GROUPS AND ALKYL ESTERS OF SAID ACIDS WHEREIN THE ALKYL RADICAL CONTAINS 1 TO 5 CARBON ATOMS, (2) AT LEAST ONE MOL AND UP TO TEN MOLS OF HOROH PER MOL OF (2) WHEREIN R IS AN ALKYLENE RADICAL OF 2 TO 10 CARBON ATOMS; (3) FROM 0.1 TO ABOUT 5.0 MOL PERCENT BASED ON THE WEIGHT OF (1), A CHAIN-TERMINATING COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) MONOHYDRIC POLYALKYLENE OXIDES HAVING A GENERAL FORMULA SELECTED FROM THE GROUP CONSISTING OF R-O(CH2)MO)Z(CH2)N-OH AND R-O(CH2)MO)Z(CH2)N-OR'', WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF ALKYL GROUPS CONTAINING 1 TO 18 CARBON ATOMS, AND ARYO GROUPS CONTAINING 1 TO 10 CARBON ATOMS, R'' IS AN ACYL RADICAL CONTAINING 1 TO 5 CARBON ATOMS, M AND N ARE INTEGERS FROM 1 TO 22, AND Z IS AN INTEGER FROM 1 TO ABOUT 100, (B) HYDROXYL POLYALKYLVINYL ETHERS HAVING A TERMINAL HYDROXY GROUP WHEREIN THE ALKYL GROUP CONTAINS 1 TO 4 CARBON ATOMS, SAID ETHERS HAVING MOLECULAR WEIGHTS FROM ABOUT 500 TO 5000, AND (C) ACYL ESTERS OF SAID POLYALKYLVINYL ETHERS HAVING A TERMINAL HYDROXY GROUP WHEREIN THE ACYL RADICAL CONTAINS 1 TO 5 CARBON ATOMS; (4) ABOUT 0.01 TO ABOUT 2.4 MOL PERCENT BASED ON THE WEIGHT OF (1), A CHAIN-BRANCHING AGENT SELECTED FROM THE GROUP CONSISTING OF (A) COMPOUNDS HAVING THE GENERAL FORMULA: R(OH)N WHEREIN R IS A POLYVALENT SATURATED ALIPHATIC HYDROCARBON RADICAL CONTAINING 3 TO 6 CARBON ATOMS AND N IS AN INTEGER FROM 3 TO 6, (B) ACYL ESTERS OF THE (4A) COMPOUNDS WHEREIN THE ACYL RADICALS CONTAIN 1 TO 5 CARBON ATOMS, (C) COMPOUNDS HAVING THE GENERAL FORMULA: R(CH2OH)3 WHEREIN R IS A POLYVALENT ALIPHATIC HYDROCARBON RADICAL CONTAINING 2 TO 6 CARBON ATOMS, (D) ACYL ESTERS OF THE (4C) COMPOUNDS WHEREIN THE ACYL RADICALS CONTAIN 1 TO 5 CARBON ATOMS, (E) COMPOUNDS HAVING THE GENERAL FORMULA:

Claim 2

A METHOD FOR PRODUCING FIBER-FORMING MODIFIED POLYESTERS WHICH COMPRISES MIXING TOGETHER (1) A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AROMATIC DICARBOXYLIC ACIDS IN WHICH THE AROMATIC NUCLEUS IS SUBSTITUTED ONLY WITH CARBOXYL GROUPS AND ALKYL ESTERS OF SAID ACIDS WHEREIN THE ALKYL RADICAL CONTAINS 1 TO 5 CARBON ATOMS, (2) AT LEAST ONE MOL AND UP TO TEN MOLS OF HOROH PER MOL OF (2) WHEREIN R IS AN ALKYLENE RADICAL OF 2 TO 10 CARBON ATOMS; (3) FROM 0.1 TO ABOUT 5.0 MOL PERCENT BASED ON THE WEIGHT OF (1), A CHAIN-TERMINATING COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) MONOHYDRIC POLYALKYLENE OXIDES HAVING A GENERAL FORMULA SELECTED FROM THE GROUP CONSISTING OF R-O(CH2)MO)Z(CH2)N-OH AND R-O(CH2)MO)Z(CH2)N-OR'', WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF ALKYL GROUPS CONTAINING 1 TO 18 CARBON ATOMS, AND ARYO GROUPS CONTAINING 1 TO 10 CARBON ATOMS, R'' IS AN ACYL RADICAL CONTAINING 1 TO 5 CARBON ATOMS, M AND N ARE INTEGERS FROM 1 TO 22, AND Z IS AN INTEGER FROM 1 TO ABOUT 100, (B) HYDROXYL POLYALKYLVINYL ETHERS HAVING A TERMINAL HYDROXY GROUP WHEREIN THE ALKYL GROUP CONTAINS 1 TO 4 CARBON ATOMS, SAID ETHERS HAVING MOLECULAR WEIGHTS FROM ABOUT 500 TO 5000, AND (C) ACYL ESTERS OF SAID POLYALKYLVINYL ETHERS HAVING A TERMINAL HYDROXY GROUP WHEREIN THE ACYL RADICAL CONTAINS 1 TO 5 CARBON ATOMS; (4) ABOUT 0.01 TO ABOUT 2.4 MOL PERCENT BASED ON THE WEIGHT OF (1), A CHAIN-BRANCHING AGENT SELECTED FROM THE GROUP CONSISTING OF (A) COMPOUNDS HAVING THE GENERAL FORMULA: R(OH)N WHEREIN R IS A POLYVALENT SATURATED ALIPHATIC HYDROCARBON RADICAL CONTAINING 3 TO 6 CARBON ATOMS AND N IS AN INTEGER FROM 3 TO 6, (B) ACYL ESTERS OF THE (4A) COMPOUNDS WHEREIN THE ACYL RADICALS CONTAIN 1 TO 5 CARBON ATOMS, (C) COMPOUNDS HAVING THE GENERAL FORMULA: R(CH2OH)3 WHEREIN R IS A POLYVALENT ALIPHATIC HYDROCARBON RADICAL CONTAINING 2 TO 6 CARBON ATOMS, (D) ACYL ESTERS OF THE (4C) COMPOUNDS WHEREIN THE ACYL RADICALS CONTAIN 1 TO 5 CARBON ATOMS, (E) COMPOUNDS HAVING THE GENERAL FORMULA: