JP2009155385A5 - - Google Patents

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Publication number
JP2009155385A5
JP2009155385A5 JP2007332447A JP2007332447A JP2009155385A5 JP 2009155385 A5 JP2009155385 A5 JP 2009155385A5 JP 2007332447 A JP2007332447 A JP 2007332447A JP 2007332447 A JP2007332447 A JP 2007332447A JP 2009155385 A5 JP2009155385 A5 JP 2009155385A5
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JP
Japan
Prior art keywords
polyester resin
producing
following formula
heat
injection molded
Prior art date
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Application number
JP2007332447A
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Japanese (ja)
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JP5228476B2 (en
JP2009155385A (en
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Priority to JP2007332447A priority Critical patent/JP5228476B2/en
Priority claimed from JP2007332447A external-priority patent/JP5228476B2/en
Publication of JP2009155385A publication Critical patent/JP2009155385A/en
Publication of JP2009155385A5 publication Critical patent/JP2009155385A5/ja
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Publication of JP5228476B2 publication Critical patent/JP5228476B2/en
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Claims (2)

ポリエステル樹脂中の全ジオール成分に対するジエチレングリコール（ＤＥＧ）の共重合量（モル％）が下記式（１）を満たすようにエステル化反応工程でＤＥＧを添加することを特徴とする請求項１に記載の耐熱圧性ボトル用ポリエステル樹脂の製造方法。
（１） １．０≦ＤＥＧ≦２．０ Describe the copolymerization amount of diethylene glycol (DEG) with respect to the total diol component in the polyester resin (mol%) is added to DEG in the esterification reaction step so as to satisfy the following formula (1) in claim 1, FEATURES Of producing a polyester resin for heat and pressure resistant bottles.
(1) 1.0 ≦ DEG ≦ 2.0 請求項１乃至３のいずれかに記載のポリエステル樹脂の製造方法により得られ、且つ、下記式（５）を満たすことを特徴とする耐熱圧性ボトル用ポリエステル樹脂。
（５）２８０℃で射出成形した射出成形体の調湿後の水分率 ≧０．２８重量％
Obtained by the method for producing a polyester resin according to any one of claims 1 to 3, and, heat and pressure resistant bottle polyester resin and satisfies the following formula (5).
(5) Moisture content after conditioning of injection molded body injection molded at 280 ° C. ≧ 0.28 wt%
JP2007332447A 2007-12-25 2007-12-25 Production method of polyester resin Active JP5228476B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007332447A JP5228476B2 (en) 2007-12-25 2007-12-25 Production method of polyester resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007332447A JP5228476B2 (en) 2007-12-25 2007-12-25 Production method of polyester resin

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2013003461A Division JP2013076088A (en) 2013-01-11 2013-01-11 Polyester resin for heat- and pressure-resistant bottle

Publications (3)

Publication Number Publication Date
JP2009155385A JP2009155385A (en) 2009-07-16
JP2009155385A5 true JP2009155385A5 (en) 2011-01-20
JP5228476B2 JP5228476B2 (en) 2013-07-03

Family

ID=40959753

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007332447A Active JP5228476B2 (en) 2007-12-25 2007-12-25 Production method of polyester resin

Country Status (1)

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JP (1) JP5228476B2 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4363101B2 (en) * 2002-08-05 2009-11-11 三菱化学株式会社 Polyester resin and method for producing the same
JP2005089741A (en) * 2003-08-12 2005-04-07 Mitsubishi Chemicals Corp Polyester resin and method for producing the same
JP4529590B2 (en) * 2003-08-26 2010-08-25 三菱化学株式会社 Polyester resin and method for producing the same
JP5031203B2 (en) * 2005-06-16 2012-09-19 三井化学株式会社 Polyester resin and method for producing polyester resin
JP2006152315A (en) * 2006-03-15 2006-06-15 Mitsubishi Chemicals Corp Method for producing modified polyester resin
JP2007146187A (en) * 2007-03-13 2007-06-14 Mitsubishi Chemicals Corp Polyester resin

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