JP2013049867A5 - Cellulose acetate - Google Patents
Cellulose acetate Download PDFInfo
- Publication number
- JP2013049867A5 JP2013049867A5 JP2012259798A JP2012259798A JP2013049867A5 JP 2013049867 A5 JP2013049867 A5 JP 2013049867A5 JP 2012259798 A JP2012259798 A JP 2012259798A JP 2012259798 A JP2012259798 A JP 2012259798A JP 2013049867 A5 JP2013049867 A5 JP 2013049867A5
- Authority
- JP
- Japan
- Prior art keywords
- cellulose acetate
- substitution
- glucose unit
- ppm
- average degree
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Claims (5)
１０〜１５０ｐｐｍであり、かつ粘度平均重合度が２３０〜３８０であるセルロースアセ
テート。 A cellulose acetate having a degree of acyl substitution at the 6-position of glucose unit of 0.91 to 1.0, a residual sulfuric acid content of 10 to 150 ppm, and a viscosity average degree of polymerization of 230 to 380.
I）を満足し、残存硫酸量が２０〜１３０ｐｐｍである請求項１記載のセルロースアセテ
ート。
ＤＳ２＋ＤＳ３≧１．９５ （I）
ＤＳ６≧０．９１ （II）
（式中、ＤＳ２はグルコース単位の２−位のアシル基平均置換度、ＤＳ３はグルコース単
位の３−位のアシル基平均置換度、ＤＳ６はグルコース単位の６−位のアシル基平均置換
度を示す） The average degree of substitution of acyl groups at 2-position, 3-position and 6-position of glucose unit is represented by the following formulas (I) and (I)
The cellulose acetate according to claim 1, which satisfies I) and has a residual sulfuric acid content of 20 to 130 ppm.
DS2 + DS3 1.9 1.95 (I)
DS6 0.9 0.91 (II)
(Wherein, DS2 represents the average degree of substitution of acyl groups at 2-position of glucose unit, DS3 represents the degree of average substitution of acyl groups at 3-position of glucose unit, and DS6 represents the average degree of substitution of acyl groups at 6-position of glucose unit )
るカルシウムの化学当量比０．５〜３．０、および平均酢化度５８〜６２．５％のセルロ
ーストリアセテートである請求項２記載のセルロースアセテート。 Cellulose triacetate having a calcium content of 10 to 110 ppm, a residual sulfuric acid content of 25 to 110 ppm, a chemical equivalent ratio of calcium to residual sulfuric acid of 0.5 to 3.0, and an average degree of acetylation of 58 to 62.5%. Cellulose acetate.
ロースアセテートフィルム。
The cellulose acetate film according to claim 4, which is a protective film for an optical compensation film for a liquid crystal display device or a polarizing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012259798A JP5570580B2 (en) | 2012-11-28 | 2012-11-28 | Cellulose acetate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012259798A JP5570580B2 (en) | 2012-11-28 | 2012-11-28 | Cellulose acetate |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004275758A Division JP5465368B2 (en) | 2004-09-22 | 2004-09-22 | Cellulose ester and method for producing the same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013049867A JP2013049867A (en) | 2013-03-14 |
| JP2013049867A5 true JP2013049867A5 (en) | 2014-02-27 |
| JP5570580B2 JP5570580B2 (en) | 2014-08-13 |
Family
ID=48012136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012259798A Expired - Lifetime JP5570580B2 (en) | 2012-11-28 | 2012-11-28 | Cellulose acetate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5570580B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6820858B2 (en) * | 2015-10-08 | 2021-01-27 | 株式会社ダイセル | Cellulose Acetate, Cellulose Acetate Manufacturing Method and Equipment |
| JP6160751B1 (en) * | 2016-08-12 | 2017-07-12 | 富士ゼロックス株式会社 | Method for producing cellulose acylate |
| JP7162292B2 (en) * | 2018-06-12 | 2022-10-28 | 国立大学法人北海道大学 | Cellulose acetate, cellulose acetate fiber, cellulose acetate composition, method for producing cellulose acetate, and method for producing cellulose acetate composition |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57207601A (en) * | 1981-06-15 | 1982-12-20 | Daicel Chem Ind Ltd | Aging method of cellulose acetate |
| JPS6017441B2 (en) * | 1981-07-10 | 1985-05-02 | ダイセル化学工業株式会社 | New method for producing cellulose acetate |
| JPH0632801A (en) * | 1992-05-26 | 1994-02-08 | Eastman Kodak Co | Preparation of cellulose ester |
| JPH09255701A (en) * | 1996-03-22 | 1997-09-30 | Daicel Chem Ind Ltd | Production of cellulose ester |
| JP3895801B2 (en) * | 1996-04-19 | 2007-03-22 | ダイセル化学工業株式会社 | Cellulose ester with excellent solubility |
| JP4136054B2 (en) * | 1997-03-19 | 2008-08-20 | ダイセル化学工業株式会社 | Cellulose acetate and dope containing the same |
| JP3727755B2 (en) * | 1997-06-17 | 2005-12-14 | 富士写真フイルム株式会社 | Cellulose acetate film, method for producing the same, and polarizing plate protective film |
| JP4016565B2 (en) * | 1999-03-03 | 2007-12-05 | コニカミノルタホールディングス株式会社 | Optical film made of cellulose ester film, polarizing plate |
| JP4207379B2 (en) * | 2000-10-20 | 2009-01-14 | コニカミノルタホールディングス株式会社 | Polarizing plate protective film, method for producing the same, polarizing plate and liquid crystal display device |
| JP2003055466A (en) * | 2001-08-15 | 2003-02-26 | Fuji Photo Film Co Ltd | Method for producing cellulose acylate solution and cellulose acylate film |
| KR101057509B1 (en) * | 2003-02-25 | 2011-08-17 | 다이셀 가가꾸 고교 가부시끼가이샤 | Cellulose esters with improved wet heat stability |
| JP5465368B2 (en) * | 2004-09-22 | 2014-04-09 | 株式会社ダイセル | Cellulose ester and method for producing the same |
-
2012
- 2012-11-28 JP JP2012259798A patent/JP5570580B2/en not_active Expired - Lifetime
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