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（但し、Ｍｖは粘度平均分子量であり、（Ｐａ）及び（Ｐｂ）の単位はμモル／ｇである。）The main repeating unit is a polycarbonate represented by the following formula (A), and a signal detected at δ = 7.96 to 8.02 ppm in a 1 H-NMR spectrum measured using deuterated chloroform as a solvent (a) And δ = 8.11 to 8.17 ppm, the number of proton moles (Pa) and (Pb) in 1 g of polycarbonate calculated from the integrated values of the signals (b) detected are the following formulas (1) and (2 ) And a viscosity average molecular weight Mv of 18,000 to 32,000 . Formula (A)
(However, Mv is a viscosity average molecular weight, and the unit of (Pa) and (Pb) is μmol / g.) 重クロロホルムを溶媒として測定される1Ｈ−ＮＭＲスペクトル中のδ＝１０．３５〜１０．５０ｐｐｍに検出されるシグナル（ｃ）の積分値から算出されるポリカーボネート１ｇ中のプロトンモル数（Ｐｃ）と前記（Ｐａ）との比（Ｐｃ）／（Ｐａ）が０．４以下であり、且つ前記（Ｐａ）と前記（Ｐｂ）との比（Ｐａ）／（Ｐｂ）が０．７〜３．０の範囲である請求項１に記載のポリカーボネート。The number of proton moles (Pc) in 1 g of polycarbonate calculated from the integrated value of signal (c) detected at δ = 10.35 to 10.50 ppm in 1 H-NMR spectrum measured using deuterated chloroform as a solvent, and The ratio (Pc) / (Pa) to (Pa) is 0.4 or less, and the ratio (Pa) / (Pb) between (Pa) and (Pb) is 0.7 to 3.0. The polycarbonate according to claim 1, which is a range. 前記（Ｐｃ）及び前記（Ｐｂ）が、下記式（３）を満たす請求項１又は２に記載のポリカーボネート。
（但し、（Ｐａ）、（Ｐｂ）及び（Ｐｃ）の単位はμモル／ｇである。）The polycarbonate according to claim 1 or 2, wherein the (Pc) and the (Pb) satisfy the following formula (3).
(However, the unit of (Pa), (Pb) and (Pc) is μmol / g.) 芳香族ジヒドロキシ化合物と炭酸ジエステルとを重合触媒の存在下でエステル交換させて得られた請求項１〜３のいずれか１項に記載のポリカーボネート。 The polycarbonate according to any one of claims 1 to 3, obtained by transesterification of an aromatic dihydroxy compound and a carbonic acid diester in the presence of a polymerization catalyst. 芳香族モノヒロドキシ化合物の残存量が２００重量ｐｐｍ以下、芳香族ジヒドロキシ化合物の残存量が１００重量ｐｐｍ以下及び炭酸ジエステル化合物の残存量が２００重量ｐｐｍ以下である請求項１〜４のいずれか１項に記載のポリカーボネート。 The residual amount of the aromatic monohydroxy compound is 200 ppm by weight or less, the residual amount of the aromatic dihydroxy compound is 100 ppm by weight or less, and the residual amount of the carbonic acid diester compound is 200 ppm by weight or less. The polycarbonate described. 請求項１〜５のいずれか1項に記載のポリカーボネートを含有する組成物をブロー成形してなる成形体。 The molded object formed by blow-molding the composition containing the polycarbonate of any one of Claims 1-5. 中空容器である請求項６に記載の成形体。 The molded article according to claim 6, which is a hollow container. 乳製品ボトル、清涼飲料水ボトル又は水ボトルである請求項６に記載の成形体。 The molded article according to claim 6, which is a dairy product bottle, a soft drink bottle or a water bottle.
JP2002177000A2002-06-182002-06-18Polycarbonate and molded article using it
PendingJP2004018713A
(en)
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