Polyglycolic acid molded article, component for downhole tool, and method of producing polyglycolic acid molded article
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United States of America Patent
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Jan 16, 2018
Issued Date -
N/A
app pub date -
Mar 24, 2016
filing date -
Mar 30, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The polyglycolic acid having a content of low molecular weight substance of less than 1% by weight; and a molded article thereof having a thickness of 2 mm or greater, the time at which immersion of the molded article in water at 66° C. is started to the time at which the polyglycolic acid decomposed by the water starts to elute being 1 hour or longer by 30 hours or shorter, and a rate of embrittlement, at which embrittlement proceeds due to the elution of the polyglycolic acid, being 0.025 mm/h or greater.
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- C08G Class
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- 7 Age
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