Compositions for polishing synthetic resin
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United States of America Patent
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Sep 30, 1980
Grant Date -
N/A
app pub date -
May 4, 1978
filing date -
Dec 27, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A composition for polishing synthetic resin comprises a calcined alumina polishing agent and water. The polishing agent is prepared by burning boehmite, crushing it into particles and separating particles having a predetermined particle distribution. Also disclosed is a synthetic resin polishing composition further containing as a polishing accelerator an aluminum compound selected from among aluminum nitrate, polyaluminum chloride, aluminum bromide, aluminum sulfate, aluminum iodide, aluminum chloride and aluminum phosphate and mixtures thereof.
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