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1. CN1697677 - Method for removing acid component in deteriorated acetate film

Office
China
Application Number 200480000001.0
Application Date 15.01.2004
Publication Number 1697677
Publication Date 16.11.2005
Publication Kind A
IPC
B01D 11/02
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
11Solvent extraction
02of solids
CPC
B01D 11/0203
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
11Solvent extraction
02of solids
0203with a supercritical fluid
C08F 18/08
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
18Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
02Esters of monocarboxylic acids
04Vinyl esters
08Vinyl acetate
C08J 5/18
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
5Manufacture of articles or shaped materials containing macromolecular substances
18Manufacture of films or sheets
Applicants Univ Nihon
学校法人日本大学
株式会社国际麦克罗写真工业社
Inventors Morimatsu Yoshitaka
泽口孝志
Sakaki Mitsuru
矢野彰一郎
Sawaguchi Takashi
森松义乔
Yano Shoichiro
榊满墨
Agents guo yu pang lizhi
中国专利代理(香港)有限公司
中国专利代理(香港)有限公司
Priority Data 123828/2003 28.04.2003 JP
Title
(EN) Method for removing acid component in deteriorated acetate film
(ZH) 劣化乙酸酯胶片的酸成分除去方法
Abstract
(EN) There is provided a method of removing acids from the surface and interior of an acetate film produced by deterioration during storage. Such methods are characterized by extracting and removing the acids from the surface and interior of the acetate film, and the extraction treatment includes solvent extraction or evacuation (heating). This method suppresses the deterioration process in the storage of the acetate film.
(ZH)

本发明提供除去乙酸酯胶片保存时由劣化而产生的表面和内部的酸成分的方法。该方法的特征在于,从劣化乙酸酯胶片的表面和内部将酸成分萃取除去,该萃取包括溶剂萃取处理和减压(加热)处理。通过该方法可以抑制乙酸酯胶片保存时的劣化加速。


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EP2004702449This application is not viewable in PATENTSCOPE because the national phase entry has not been published yet or the national entry is issued from a country that does not share data with WIPO or there is a formatting issue or an unavailability of the application.