Film, sheet or tube of a block copolymer or a composition containing the same
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United States of America Patent
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-
May 31, 1983
Grant Date -
N/A
app pub date -
Feb 18, 1982
filing date -
Feb 20, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A film, sheet, or tube having an excellent low-temperature shrinkage suitable for use as, for example, a heat shrinkable label is disclosed. This film, sheet, or tube contains, as a base polymer, a block copolymer of an aromatic vinyl hydrocarbon polymer block and a polymer block composed mainly of a conjugated diene having the following structure:
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