JP2008260963A5 - - Google Patents

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Publication number
JP2008260963A5
JP2008260963A5 JP2008204503A JP2008204503A JP2008260963A5 JP 2008260963 A5 JP2008260963 A5 JP 2008260963A5 JP 2008204503 A JP2008204503 A JP 2008204503A JP 2008204503 A JP2008204503 A JP 2008204503A JP 2008260963 A5 JP2008260963 A5 JP 2008260963A5
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JP
Japan
Prior art keywords
mol
polyester resin
measured
dicarboxylic acid
residues
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Application number
JP2008204503A
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Japanese (ja)
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JP2008260963A (en
JP4438968B2 (en
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Priority to JP2008204503A priority Critical patent/JP4438968B2/en
Priority claimed from JP2008204503A external-priority patent/JP4438968B2/en
Publication of JP2008260963A publication Critical patent/JP2008260963A/en
Publication of JP2008260963A5 publication Critical patent/JP2008260963A5/ja
Application granted granted Critical
Publication of JP4438968B2 publication Critical patent/JP4438968B2/en
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Expired - Lifetime legal-status Critical Current

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Claims (3)

ジオール成分とジカルボン酸成分とを重縮合して得られる、ジオール構成成分中下記構造式（１）で表されるスピログリコールの残基を５〜６０モル％、及びエチレングリコール残基を３０〜９５モル％含み、ジカルボン酸構成成分中テレフタル酸残基を８０〜１００モル％含むポリエステル樹脂であって、下記の（１）ないし（４）の性状を有するポリエステル樹脂。
（１）フェノールと１，１，２，２−テトラクロロエタンとの重量比が６：４の混合溶媒を用いて２５℃で測定した極限粘度IVが０．４〜１．５ｄｌ／ｇの範囲である。
（２）測定温度が２４０℃、剪断速度：１００ｓ-1 で測定した際の溶融粘度が７００〜５０００Ｐａ・ｓの範囲である。
（３）ポリエステル樹脂の分子量分布が２．５〜１２．０である。
（４）示差走査型熱量計で測定されるポリエステル樹脂のガラス転移温度が９０℃以上、かつ降温時結晶化発熱ピークの熱量が５Ｊ／ｇ以下である。
Figure 2008260963
 In the diol component obtained by polycondensation of a diol component and a dicarboxylic acid component, 5 to 60 mol% of a spiroglycol residue represented by the following structural formula (1) and 30 to 95 ethylene glycol residue are obtained. A polyester resin containing a mol% and containing 80 to 100 mol% of a terephthalic acid residue in a dicarboxylic acid component, and having the following properties (1) to (4).
(1) Intrinsic viscosity IV measured at 25 ° C. using a mixed solvent having a weight ratio of phenol and 1,1,2,2-tetrachloroethane of 6: 4 at a range of 0.4 to 1.5 dl / g is there.
(2) The melt viscosity when measured at a measurement temperature of 240 ° C. and a shear rate of 100 s −1 is in the range of 700 to 5000 Pa · s.
(3) The molecular weight distribution of the polyester resin is 2.5 to 12.0.
(4) The glass transition temperature of the polyester resin measured with a differential scanning calorimeter is 90 ° C. or higher, and the calorific value of the crystallization exothermic peak when the temperature is lowered is 5 J / g or lower.
Figure 2008260963
 ジカルボン酸構成成分中テレフタル酸残基を９５〜１００モル％含むことを特徴とする請求項１記載のポリエステル樹脂。 The polyester resin according to claim 1, wherein the dicarboxylic acid component contains 95 to 100 mol% of terephthalic acid residues . ジオール構成成分中、構造式（１）で表されるスピログリコールの残基を２０〜６０モル％、及びエチレングリコール残基を３０〜８０モル％含むことを特徴とする請求項１又は２記載のポリエステル樹脂。 Diol component, the structural formula (1) 20 to 60 mole% of the residues of spiro glycol represented by, and according to claim 1 or 2, characterized in that it comprises ethylene glycol residues 30-80 mol% Polyester resin.
JP2008204503A 2000-06-13 2008-08-07 Polyester resin Expired - Lifetime JP4438968B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008204503A JP4438968B2 (en) 2000-06-13 2008-08-07 Polyester resin

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000177070 2000-06-13
JP2008204503A JP4438968B2 (en) 2000-06-13 2008-08-07 Polyester resin

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2001155721A Division JP2002069165A (en) 2000-06-13 2001-05-24 Polyester resin

Publications (3)

Publication Number Publication Date
JP2008260963A JP2008260963A (en) 2008-10-30
JP2008260963A5 true JP2008260963A5 (en) 2008-12-11
JP4438968B2 JP4438968B2 (en) 2010-03-24

Family

ID=39983662

Family Applications (6)

Application Number Title Priority Date Filing Date
JP2008204505A Abandoned JP2008260965A (en) 2000-06-13 2008-08-07 Polyester resin film
JP2008204503A Expired - Lifetime JP4438968B2 (en) 2000-06-13 2008-08-07 Polyester resin
JP2008204506A Abandoned JP2008291277A (en) 2000-06-13 2008-08-07 Polyester resin sheet, film, and container
JP2008204502A Abandoned JP2008285685A (en) 2000-06-13 2008-08-07 Hollow molded body of polyester resin
JP2008204504A Abandoned JP2008260964A (en) 2000-06-13 2008-08-07 Polyester resin injection molded article
JP2008204501A Abandoned JP2008260962A (en) 2000-06-13 2008-08-07 Method for producing polyester resin

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP2008204505A Abandoned JP2008260965A (en) 2000-06-13 2008-08-07 Polyester resin film

Family Applications After (4)

Application Number Title Priority Date Filing Date
JP2008204506A Abandoned JP2008291277A (en) 2000-06-13 2008-08-07 Polyester resin sheet, film, and container
JP2008204502A Abandoned JP2008285685A (en) 2000-06-13 2008-08-07 Hollow molded body of polyester resin
JP2008204504A Abandoned JP2008260964A (en) 2000-06-13 2008-08-07 Polyester resin injection molded article
JP2008204501A Abandoned JP2008260962A (en) 2000-06-13 2008-08-07 Method for producing polyester resin

Country Status (1)

Country Link
JP (6) JP2008260965A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013227384A (en) * 2012-04-24 2013-11-07 Mitsubishi Gas Chemical Co Inc Polyester resin
JP2019010814A (en) * 2017-06-30 2019-01-24 三菱ケミカル株式会社 Food packaging film for boil treatment, bottom material for deep contraction packaged body, and deep contraction packaged body
JP6881151B2 (en) * 2017-08-21 2021-06-02 三菱ケミカル株式会社 Deep-drawing film and deep-drawing packaging
KR102589382B1 (en) 2018-08-08 2023-10-12 에스케이케미칼 주식회사 Polyester resin and preparation method of the same
EP4245788A4 (en) 2020-11-12 2024-05-01 Mitsubishi Gas Chemical Co Polyester resin and method for producing polyester resin

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