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KR950702856A - 용액 제조방법 - Google Patents

용액 제조방법 Download PDF

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Publication number
KR950702856A
KR950702856A KR1019950700870A KR19950700870A KR950702856A KR 950702856 A KR950702856 A KR 950702856A KR 1019950700870 A KR1019950700870 A KR 1019950700870A KR 19950700870 A KR19950700870 A KR 19950700870A KR 950702856 A KR950702856 A KR 950702856A
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KR
South Korea
Prior art keywords
evaporator
solution
cellulose
thin film
tip
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Application number
KR1019950700870A
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KR100297275B1 (ko
Inventor
미카엘 콜린 퀴글리
Original Assignee
렉스 클라이스 스미스
커어타울드스 화이버스 리미티드
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Publication of KR950702856A publication Critical patent/KR950702856A/ko
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Publication of KR100297275B1 publication Critical patent/KR100297275B1/ko

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1887—Stationary reactors having moving elements inside forming a thin film
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
    • B01D1/222—In rotating vessels; vessels with movable parts
    • B01D1/223—In rotating vessels; vessels with movable parts containing a rotor
    • B01D1/225—In rotating vessels; vessels with movable parts containing a rotor with blades or scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F21/00—Dissolving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B01J19/0066—Stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/003—Preparation of cellulose solutions, i.e. dopes, with different possible solvents, e.g. ionic liquids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C08J3/091—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid
    • C08J3/096—Nitrogen containing compounds
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00761—Details of the reactor
    • B01J2219/00763—Baffles
    • B01J2219/00779—Baffles attached to the stirring means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18—Details relating to the spatial orientation of the reactor
    • B01J2219/185—Details relating to the spatial orientation of the reactor vertical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/19—Details relating to the geometry of the reactor
    • B01J2219/194—Details relating to the geometry of the reactor round
    • B01J2219/1941—Details relating to the geometry of the reactor round circular or disk-shaped
    • B01J2219/1943—Details relating to the geometry of the reactor round circular or disk-shaped cylindrical
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/02—Cellulose; Modified cellulose
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/10—Organic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/16—Vacuum

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Paper (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

셀룰로우스 용액은 제3급 아민 N-옥사이드, 물 및 셀룰로우스로 조성된 프리믹서를 인편이 부착된 박막 증류기로 통과시켜 제조하되, 가열 표면적(1-125㎡), 인편선단 간의 원주 간격(65-175㎜), 인편선단의 회전속도(8m/sec. 이하), 압력(25-100mb) 및 배출온도(90-135℃)의 처리 조건하에 처리함을 특징으로함.

Description

용액 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (9)

  1. (1) 제3급아민 N-옥사이드, 물 및 셀룰로우스를 포함하는 프리믹스를 형성하는 공정, (2) 가열된 내주표면과 길이방향으로 패들 인편이 부착된 중앙 회전축을 갖고있는 수직으로 설치된 박막 증발기에서 증발기내의 물질들이 회전축의 회전에 따라 횡방향으로 일정한 간격을 유지하는 둘 또는 그 이상의 인편들과 접촉하도록하면서 대기압보다 낮은 압력하에 프리믹스를 가열하는 공정, (3) 셀룰로우스가 아민옥사이드 중의 용액을 형성하는 수준으로 프리믹서중의 물을 증발시키는 공정, 및 (4) 생성된 용액을 박막 증발기로부터 회수하는 공정을 포함하는 제3급 아민 N-옥사이드중의 셀룰로우스 용액을 제조하는 방법에서, 이 방법이 가연 표면적이 1㎡내지 125㎡의 범위로 되는 증발기내에서 실시되고, 회전축을 포함하는 회전체는 인편의 단부가 8m/sec. 이상의 속도를 갖도록 회전되며, 인편의 선단은 인접인편의 선단으로 부터 측방향으로 65-175㎜의 원주 간격을 유지하도록 설치되었고, 증발기내에는 25-100mb(밀리바)의 진공으로 유지되었으며, 부여된 진공하에서 생성된 용액이 90-135℃의 온도로 배출되도록 실린더 가열 표면이 가열됨을 특징으로 하는 용액 제조방법.
  2. 청구범위 1항에서, 가열 표면적이 10-125㎡, 특히 10-75㎡범위이고, 인편 선단간의 원주 간격이 75-150㎜이며, 인편선단 회전속도가 2.5-5m/sec. 임을 특징으로 하는 방법.
  3. 청구범위 1항에서, 인편 선단 속도가 2.5-4.5m/sec. 임을 특징으로하는 방법.
  4. 진술한 청구범위중의 어느 한 항에서, 용액이 100-115℃의 배출온도를 갖도록 제조됨을 특징으로 하는 방법.
  5. 전술한 청구범위중의 어느 한 항에서, 프리믹스가 실온과 95℃ 사이, 특히 75-85℃의 온도로 박막증발기내로 공급됨을 특징으로 하는 방법.
  6. 전술한 청구범위 중의 한 항에서, 회전체가 외주면에 5°내지 15° 또는 5°내지 10°의 간격으로 배치된 인편을 갖고있음을 특징으로 하는 방법.
  7. 전술한 청구범위 중의 한 항에서, 용액이 셀룰로우스 7-35중량% 물 15-4중량% 및 나머지 부분의 아민옥사이드를 포함하고 있음을 특징으로 하는 방법.
  8. 전술한 청구범위중의 어느 한 항에서, 인편들이 인접인편과 서로 축방향으로 각도지게 나선상으로 회전체 주위에 배치되었음을 특징으로하는 방법.
  9. 전술한 청구범위중의 어느 한 항에서, 최소한 일부의 인편이 처리물질을 박막증발기를 통하여 하향 이송할 수 있도록 경사지게 형성되었음을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950700870A 1992-09-17 1993-09-15 셀롤로우스용액제조방법 KR100297275B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB929219693A GB9219693D0 (en) 1992-09-17 1992-09-17 Forming solutions
GB9219693.0 1992-09-17
PCT/GB1993/001956 WO1994006530A1 (en) 1992-09-17 1993-09-15 Forming solutions

Publications (2)

Publication Number Publication Date
KR950702856A true KR950702856A (ko) 1995-08-23
KR100297275B1 KR100297275B1 (ko) 2001-10-24

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Also Published As

Publication number Publication date
JPH08504223A (ja) 1996-05-07
SK280856B6 (sk) 2000-08-14
HU217765B (hu) 2000-04-28
SK35995A3 (en) 1996-02-07
FI951245A0 (fi) 1995-03-16
CZ287562B6 (en) 2000-12-13
DE660743T1 (de) 1996-02-15
TW246677B (ko) 1995-05-01
FI951245L (fi) 1995-03-16
WO1994006530A1 (en) 1994-03-31
IN188033B (ko) 2002-08-10
AU673540B2 (en) 1996-11-14
US5534113A (en) 1996-07-09
EP0660743A1 (en) 1995-07-05
AU4825193A (en) 1994-04-12
PL308138A1 (en) 1995-07-24
RU2104078C1 (ru) 1998-02-10
RU95108881A (ru) 1996-12-27
SG46429A1 (en) 1998-02-20
CZ64495A3 (en) 1995-12-13
HUT70089A (en) 1995-09-28
GB9219693D0 (en) 1992-10-28
GR3023236T3 (en) 1997-07-30
DE69308862T2 (de) 1997-08-07
CA2142620A1 (en) 1994-03-31
BR9307031A (pt) 1999-06-29
HK1004537A1 (en) 1998-11-27
ES2100567T3 (es) 1997-06-16
EP0660743B1 (en) 1997-03-12
JP3531746B2 (ja) 2004-05-31
HU9500800D0 (en) 1995-05-29
DE69308862D1 (de) 1997-04-17
ATE149858T1 (de) 1997-03-15

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