[특허]Cellulose acetate propionate, solution thereof and cellulose acetate propionate film

Cellulose acetate propionate, solution thereof and cellulose acetate propionate film 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C08B-003/16
출원번호	US-0902888 (1997-07-30)
우선권정보	JP-0216671 (1996-07-30)
발명자 / 주소	Shuto Yuichiro,JPX Taniguchi Hiroki,JPX
출원인 / 주소	Daicel Chemical Industries, Ltd., JPX
대리인 / 주소	McAulay Nissen Goldberg Kiel & Hand, LLP
인용정보	피인용 횟수 : 25 인용 특허 : 2

초록 ▼

Cellulose acetate propionate is a cellulose ester wherein hydroxyl groups of cellulose are substituted with acetyl and propionyl. Cellulose acetate propionate of the present invention has an amorphous index (Am) of not more than 0.4. Cellulose acetate propionate has a degree of acetyl substitution (DSac) and a degree of propionyl substitution (DSpr), which preferably satisfy the formulas (I) to (III), and more preferably satisfy the formulas (I) to (IV). The present invention also provides a solution of cellulose acetate propionate and a cellulose acetate propionate film. (I) 2.0

대표청구항 ▼

[ We claim:] [1.] A solution of cellulose acetate propionate in an organic solvent, wherein the cellulose acetate propionate has an amorphous index (Am) of not more than 0.4 defined in the following formula: ]EQU3 ] in which I(2.theta.=5.degree.) and I(2.theta.=14.5.degree.) mean X-ray scattering intensities where Bragg angles (2.theta.) are 5.degree. and 14.5.degree. respectively, which are obtained by forming a film of 100 .mu.m thick from a cellulose acetate propionate solution, treating the film at 200.degree. C. for 60 minutes and measuring X-ray diffraction of the film; n means the number of peaks observed in X-ray scattering intensity curve within the range of 5.degree. to 14.5.degree. of Bragg angles (2.theta.) in the measurement of the film; and Pi means X-ray scattering intensity at the peak number i in the measurement of the film.

이 특허에 인용된 특허 (2)

Machell Julie S. (Webster NY) Sand I. Daniel (Jonesborough TN), Light sensitive silver halide element with cellulose ester film base.
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Machell Julie S. (Webster NY) Sand I. Daniel (Jonesborough TN), Method of manufacture of cellulose ester film.
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이 특허를 인용한 특허 (25)

Bhattacharya, Deepanjan; Foulk, Roy Glenn; Williams, III, Hampton Loyd Chip; Shelton, Michael Charles; Posey-Dowty, Jessica Dee; Perdomo, Luis Guillermo Rios; Dixon, Jr., Daniel Wayne; Lucas, Paul Lee; Wilson, Alan Kent; Walker, Kenneth Raymond; Lawniczak, Jonathan Edward; Phan, Hieu Duy; Freeman, Jr., Charlie Carroll, Basecoat coating compositions comprising low molecular weight cellulose mixed esters.
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Shuto Yuichiro,JPX ; Taniguchi Hiroki,JPX, Cellulose acetate propionate.
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Tasaka, Koji; Umeda, Hiroki; Kuzuhara, Noriyasu; Yajima, Takatoshi, Cellulose ester film, its manufacturing method, optical retardation film, optical compensation sheet, elliptic polarizing plate, and image display.
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Helmer, Bradley James; Basu, Soumendra Kumar; Wood, Matthew Davie; Dagenhart, Chris Stanley; De Wit, Jos Simon; Testa, Carlo Antony; Shelby, Marcus David, Cellulose ester/elastomer compositions.
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Basu, Soumendra Kumar; Helmer, Bradley James, Cellulose esters in highly-filled elastomeric systems.
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Basu, Soumendra Kumar; Helmer, Bradley James, Cellulose esters in pneumatic tires.
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An, Haining; Vargantwar, Pruthesh Hariharrao; Helmer, Bradley James; Arigo, Mark; Basu, Soumendra Kumar, Elastomeric compositions comprising cellulose ester additives.
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Kinugasa,Kazushi; Mandai,Shinya, Embolic materials.
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Shelton, Michael Charles; Wilson, Alan Kent; Posey-Dowty, Jessica Dee; Kramer, Gergory Andrew; Perdomo, Luis Guillermo Rios, Low molecular weight carboxyalkylcellulose esters and their use as low viscosity binders and modifiers in coating compositions.
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Shelton, Michael Charles; Posey Dowty, Jessica Dee; Perdomo, Luis Guillermo Rios; Dixon, Jr., Daniel Wayne; Lucas, Paul Lee; Wilson, Alan Kent; Walker, Kenneth Raymond; Lawniczak, Jonathan Edward; Foulk, Roy Glenn; Phan, Hieu Duy; Freeman, Jr., Charlie Carroll, Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions.
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Shelton, Michael Charles; Posey-Dowty, Jessica Dee; Perdomo, Luis Guillermo Rios; Dixon, Jr., Daniel Wayne; Lucas, Paul Lee; Wilson, Alan Kent; Walker, Kenneth Raymond; Lawniczak, Jonathan Edward; Foulk, Roy Glenn; Phan, Hieu Duy; Freeman, Jr., Charlie Carroll, Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions.
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Shelton, Michael Charles; Posey-Dowty, Jessica Dee; Perdomo, Luis Guillermo Rios; Dixon, Jr., Daniel Wayne; Lucas, Paul Lee; Wilson, Alan Kent; Walker, Kenneth Raymond; Lawniczak, Jonathan Edward; Foulk, Roy Glenn; Phan, Hieu Duy; Freeman, Jr., Charlie Carroll; Booton, John Douglas, Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions.
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Arai, Toshinao; Yamazaki, Hidekazu, Manufacturing method of polymer film.
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Shibue, Toshiaki; Honda, Makoto; Kubo, Nobuo; Kuzuhara, Noriyasu; Umeda, Hiroki; Kawakami, Sota; Yajima, Takatoshi, Method for producing vertical alignment liquid crystal display.
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Kawanishi, Hiroyuki; Nishiura, Yosuke; Nishiura, legal representative, Takako, Optical cellulose acylate film, polarizing plate and liquid crystal display device.
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Shibue, Toshiaki; Honda, Makoto; Kubo, Nobuo; Kuzuhara, Noriyasu; Umeda, Hiroki; Kawakami, Sota; Yajima, Takatoshi, Optical film and liquid crystal display using the same.
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Shibue,Toshiaki; Honda,Makoto; Kubo,Nobuo; Kuzuhara,Noriyasu; Umeda,Hiroki; Kawakami,Sota; Yajima,Takatoshi, Optical film and liquid crystal display using the same.
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Shibue,Toshiaki; Honda,Makoto; Kubo,Nobuo; Kuzuhara,Noriyasu; Umeda,Hiroki; Kawakami,Sota; Yajima,Takatoshi, Optical film and liquid crystal display using the same.
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An, Haining; Vargantwar, Pruthesh Hariharrao; Helmer, Bradley James; Arigo, Mark; Basu, Soumendra Kumar, Process to produce elastomeric compositions comprising cellulose ester additives.
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Helmer, Bradley James; Basu, Soumendra Kumar; Wood, Matthew Davie; Dagenhart, Chris Stanley; De Wit, Jos Simon; Testa, Carlo Antony; Shelby, Marcus David, Processes for making cellulose ester compositions.
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Yamazaki,Hidekazu; Nakamura,Toshikazu; Miyachi,Hiroshi, Production method of cellulose film, cellulose film, protective film for polarizing plate, optical functional film, polarizing plate, and liquid crystal display.
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Bhattacharya, Deepanjan; Foulk, Roy Glenn; Williams, III, Hampton Loyd Chip; Shelton, Michael Charles; Posey-Dowty, Jessica Dee; Perdomo, Luis Guillermo Rios; Dixon, Jr., Daniel Wayne; Lucas, Paul Lee; Wilson, Alan Kent; Walker, Kenneth Raymond; Lawniczak, Jonathan Edward; Phan, Hieu Duy; Freeman, Jr., Charlie Carroll, Refinish coating compositions comprising low molecular weight cellulose mixed esters.
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Basu, Soumendra Kumar; Helmer, Bradley James; Shelby, Marcus David; Wood, Matthew Davie; Dagenhart, Chris Stanley; De Wit, Jos Simon; Testa, Carlo Antony, Tires comprising cellulose ester/elastomer compositions.
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Cellulose acetate propionate, solution thereof and cellulose acetate propionate film 원문보기