Polyacetal copolymer
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United States of America Patent
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-
Apr 2, 2002
Grant Date -
N/A
app pub date -
Jul 5, 2001
filing date -
Dec 10, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
To provide a resin material in which various properties of a polyacetal resin such as excellent appearance, slidability and thermal stability are maintained and a rigidity is improved as well. That is, a polyacetal copolymer which is prepared by a copolymerization of 100 parts by weight of trioxane (A), 0.0005 to 2 parts by weight of the component (B), which is a compound (B-1) having at least three glycidyl groups in the molecule or a compound (B-2) having at least two epoxy groups in the molecule, and 0 to 20 parts by weight of a cyclic ether compound (C) copolymerizable with trioxane, and which has a total terminal group amount of 15 to 150 mmol/kg, when (B) is (B-2).
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