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JPS6480440A - Filter aid and production thereof - Google Patents

Filter aid and production thereof

Info

Publication number
JPS6480440A
JPS6480440A JP62237866A JP23786687A JPS6480440A JP S6480440 A JPS6480440 A JP S6480440A JP 62237866 A JP62237866 A JP 62237866A JP 23786687 A JP23786687 A JP 23786687A JP S6480440 A JPS6480440 A JP S6480440A
Authority
JP
Japan
Prior art keywords
cellulose fiber
fiber length
mean
filter aid
beating
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
Application number
JP62237866A
Other languages
Japanese (ja)
Other versions
JPH0714479B2 (en
Inventor
Katsuhiro Nakaguchi
Mikio Toda
Akiyoshi Kamida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daicel Corp
Original Assignee
Daicel Chemical Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daicel Chemical Industries Ltd filed Critical Daicel Chemical Industries Ltd
Priority to JP62237866A priority Critical patent/JPH0714479B2/en
Publication of JPS6480440A publication Critical patent/JPS6480440A/en
Publication of JPH0714479B2 publication Critical patent/JPH0714479B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Filtration Of Liquid (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

PURPOSE:To enhance stability for labor hygiene and filter performance by preparing a filter aid from the mixture of cellulose fiber having 0.8-1.4mm mean fiber length and cellulose fiber having 1.5-2.5mm mean fiber length. CONSTITUTION:A filter aid is produced by laminating 5-25wt.% cellulose fiber sheet having 1.5-2.5mm mean fiber length on cellulose fiber sheet having 0.8-1.4mm mean fiber length and thereafter crushing and mixing them. Cellulose fiber to be used is obtained by digesting and bleaching linter obtained from cottonseeds by a known method and thereafter treating it with beating and also it is produced from leaves, trees and conifers by combing both the known method e.g. a sulfite method and bleaching. The degree of beating of cellulose fiber having 0.8-1.4mm mean fiber length is preferably 30-60 deg. SR and the degree of beating of cellulose fiber having 1.5-2.5mm mean fiber length is preferably 12-20 deg. SR respectively.
JP62237866A 1987-09-22 1987-09-22 ▲ Ro ▼ Super-auxiliary agent and method for producing the same Expired - Fee Related JPH0714479B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62237866A JPH0714479B2 (en) 1987-09-22 1987-09-22 ▲ Ro ▼ Super-auxiliary agent and method for producing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62237866A JPH0714479B2 (en) 1987-09-22 1987-09-22 ▲ Ro ▼ Super-auxiliary agent and method for producing the same

Publications (2)

Publication Number Publication Date
JPS6480440A true JPS6480440A (en) 1989-03-27
JPH0714479B2 JPH0714479B2 (en) 1995-02-22

Family

ID=17021579

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62237866A Expired - Fee Related JPH0714479B2 (en) 1987-09-22 1987-09-22 ▲ Ro ▼ Super-auxiliary agent and method for producing the same

Country Status (1)

Country Link
JP (1) JPH0714479B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06226017A (en) * 1993-02-05 1994-08-16 Kimihiko Okanoe Liquid filter device
JPH06319920A (en) * 1993-05-10 1994-11-22 Kimihiko Okanoe Liquid filtering device
RU2588630C2 (en) * 2011-07-29 2016-07-10 Торэй Индастриз, Инк. Method of making auxiliary filtration material
US11654072B2 (en) 2019-12-16 2023-05-23 Jinghao FEI Knee rehabilitation machine with multi-position synchronous force application

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06226017A (en) * 1993-02-05 1994-08-16 Kimihiko Okanoe Liquid filter device
JPH06319920A (en) * 1993-05-10 1994-11-22 Kimihiko Okanoe Liquid filtering device
RU2588630C2 (en) * 2011-07-29 2016-07-10 Торэй Индастриз, Инк. Method of making auxiliary filtration material
US11654072B2 (en) 2019-12-16 2023-05-23 Jinghao FEI Knee rehabilitation machine with multi-position synchronous force application

Also Published As

Publication number Publication date
JPH0714479B2 (en) 1995-02-22

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Legal Events

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