Aromatic amorphous thermoplastic polymers

• US 5,144,001 A
• Filed: 01/19/1990
• Issued: 09/01/1992
• Est. Priority Date: 09/12/1980
• Status: Expired due to Term

• Current Assignee: Solvay Advanced Polymers LLC (Solvac SA)
• Original Assignee: Amoco Corporation (BP PLC)
• Inventors: Maresca, Louis M.
• Primary Examiner(s): Kight, III, John
• Assistant Examiner(s): Hampton-Hightower, P.
• Application Number:
  US07/468,163
• Time in Patent Office: 956 Days
• Field of Search: 528/125, 528/126, 528/171, 528/174, 528/175, 528/219, 525/534, 525/535
• US Class Current: 528/171
• CPC Class Codes: C08G 65/40 from phenols (I) and other compounds (II), e.g. OH-Ar-OH + X-Ar-X, where X is halogen atom, i.e. leaving group
• CPC Class Codes: C08G 75/23 Polyethersulfones

Abstract

Described herein are amorphous thermoplastic terpolymers containing units of the formula: ##STR1## wherein R is independently hydrogen, C₁ to C₆ alkyl, or C₄ to C₈ cycloalkyl, a is an integer of 0 to 4 and n is independently an integer of 1 to 3. The units are attached to each other by an --0-- bond. These polymers have an excellent combination of mechanical properties. They display high notched izod impact values, high heat distortion temperatures and excellent environmental stress crack resistance.

Claims

1. An amorphous thermoplastic terpolymer consisting essentially of the following repeating units which are connected by ether linkages:

##STR12## said terpolymer is produced by the reaction of dichlorodiphenyl sulfone and a mixture of hydroquinone and dihydroxydiphenyl sulfone.

2. A terpolymer as defined in claim 1, wherein the ratio of unit (I) to unit (II) is in the range of from about 70:

30 to 85;

15.

3. The terpolymer as defined in claim 1 produced by reacting dichlorodiphenyl sulfone with at least a one to one mole ratio of dihydroxydiphenyl sulfone to hydroquinone.

4. The terpolymer as defined in claim 1 produced by reacting dichlorodiphenyl sulfone with at least a one to three mole ratio of dihydroxydiphenyl sulfone to hydroquinone.

5. The terpolymer as defined in claim 1 produced by reacting dichlorophenyl sulfone with at least a three to one mole ratio of dihydroxydiphenyl sulfone to hydroquinone.

6. A terpolymer as defined in claim 1 which is blended with one or more compatible thermoplastic polymers selected from the group consisting of polyarylates, poly(aryl ethers), polyetherimides, polyesters, aromatic polycarbonates, polyurethanes, and polyhydroxyethers.