Linear polyesters and polyester-amides from 2, 2, 4, 4-tetraalkyl-1, 3-cyclobutanediols

• US 3,313,777 A
• Filed: 12/18/1959
• Issued: 04/11/1967
• Est. Priority Date: 12/18/1959
• Status: Expired due to Term

• Current Assignee: Edward U. Elam, James C. Martin, Russell Gilkey
• Original Assignee: Edward U. Elam, James C. Martin, Russell Gilkey
• Inventors: Elam, Edward U., Martin, James C., Gilkey, Russell
• Application Number:
  US03/860,375
• Time in Patent Office: 2,671 Days
• US Class Current: 528/195
• CPC Class Codes: C08G 63/199 Acids or hydroxy compounds containing cycloaliphatic rings
• CPC Class Codes: C08G 63/60 derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
• CPC Class Codes: C08G 64/00 Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule polycarbonate-amides C08G69/44; polycarbonate-imides C08G73/16
• CPC Class Codes: C08G 64/0208 saturated
• CPC Class Codes: C08G 69/44 Polyester-amides

Claims

1. A LINEAR HIGH MOLECULAR WEIGHT RESINOUS CONDENSATION POLYMER OF (A) AT LEAST ONE BIFUNCTIONAL CARBOXYLIC ACID AND (B) AT LEAST ONE BIFUNCTIONAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) 2,2,4,4-TETRAALKYL-1,3CYCLOBUTANEDIOLS AND (B) A MIXTURE COMPOSED OF 2,2,4,4TETRAALKYL-1,3-CYCLOBUTANEDIOLS AND UP TO 50 MOLE PERCENT OF SAID MIXTURE OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A DIFFERENT BIFUNCTIONAL DIHYDROXY COMPOUND, A BIFUNCTIONAL AMINO-ALCOHOL, AND A BIFUNCTIONAL ALIPHATIC DIAMINE, SAID 2,2,4,4-TETRAALKYL-1,3-CYCLOBUTANEDIOLS BEING SELECTED FROM THE GROUP CONSISTING OF THE CISAND TRANS-ISOMERS THEREOF AND WHEREIN EACH ALKYL GROUP CONTAINS FROM 1 TO 4 CARBON ATOMS, THE RELATIVE PROPORTIONS OF (A) AND (B) CONSTITUENTS BEING SUCH AS TO CONSTITUTE A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYESTERS AND POLYESTERAMIDES.