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Transparent impact polystyrene plastics of di-block copolymers |
| T967004 |
Transparent impact polystyrene plastics of di-block copolymers
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| Inventor: |
Smith |
| Date Issued: |
February 7, 1978 |
| Application: |
05/710,839 |
| Filed: |
August 2, 1976 |
| Inventors: |
Smith; Robert Clarence (Warren, OH)
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| Assignee: |
The Firestone Tire & Rubber Company (Akron, OH) |
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| U.S. Class: |
525/314; 526/173; 526/340 |
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| Abstract: |
a transparent di-block copolymer of styrene and butadiene is produced which contains 70 to 90 percent of block styrene, or preferably 75 to 85 percent of block styrene. The copolymer is suitable for use in the manufacture of packaging films and molded items, including egg cartons, boxes of various types, window panes, etc. |
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