FI940876A0 - Mikroporoesa cellulosaderivat och foerfarande foer framstaellning av dessa - Google Patents

Mikroporoesa cellulosaderivat och foerfarande foer framstaellning av dessa

Info

Publication number
FI940876A0
FI940876A0 FI940876A FI940876A FI940876A0 FI 940876 A0 FI940876 A0 FI 940876A0 FI 940876 A FI940876 A FI 940876A FI 940876 A FI940876 A FI 940876A FI 940876 A0 FI940876 A0 FI 940876A0
Authority
FI
Finland
Prior art keywords
cellulose derivatives
foaming agents
microporous cellulose
microporous
foaming
Prior art date
Application number
FI940876A
Other languages
English (en)
Other versions
FI100803B (fi
FI940876A (fi
Inventor
Olli Aaltonen
Pia Qvintus-Leino
Original Assignee
Valtion Teknillinen
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 Valtion Teknillinen filed Critical Valtion Teknillinen
Priority to FI940876A priority Critical patent/FI100803B/fi
Publication of FI940876A0 publication Critical patent/FI940876A0/fi
Priority to PCT/FI1995/000090 priority patent/WO1995023181A1/en
Publication of FI940876A publication Critical patent/FI940876A/fi
Application granted granted Critical
Publication of FI100803B publication Critical patent/FI100803B/fi

Links

Classifications

    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/16—Making expandable particles
    • C08J9/18—Making expandable particles by impregnating polymer particles with the blowing agent
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/06—CO2, N2 or noble gases
    • 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
    • C08J2301/08—Cellulose derivatives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Analytical Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FI940876A 1994-02-25 1994-02-25 Mikrohuokoiset selluloosajohdokset ja menetelmä niiden valmistamiseksi FI100803B (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI940876A FI100803B (fi) 1994-02-25 1994-02-25 Mikrohuokoiset selluloosajohdokset ja menetelmä niiden valmistamiseksi
PCT/FI1995/000090 WO1995023181A1 (en) 1994-02-25 1995-02-22 Microporous cellulose derivatives and a method for producing the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI940876 1994-02-25
FI940876A FI100803B (fi) 1994-02-25 1994-02-25 Mikrohuokoiset selluloosajohdokset ja menetelmä niiden valmistamiseksi

Publications (3)

Publication Number Publication Date
FI940876A0 true FI940876A0 (fi) 1994-02-25
FI940876A FI940876A (fi) 1995-08-26
FI100803B FI100803B (fi) 1998-02-27

Family

ID=8540190

Family Applications (1)

Application Number Title Priority Date Filing Date
FI940876A FI100803B (fi) 1994-02-25 1994-02-25 Mikrohuokoiset selluloosajohdokset ja menetelmä niiden valmistamiseksi

Country Status (2)

Country Link
FI (1) FI100803B (fi)
WO (1) WO1995023181A1 (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2531400A (en) * 1999-02-25 2000-09-14 Degradable Solutions Ag Biodegradable, porous shaped bodies
US6846562B1 (en) * 2003-08-06 2005-01-25 Milliken & Company Method of forming light dispersing fiber and fiber formed thereby

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0768403B2 (ja) * 1988-12-15 1995-07-26 東洋エンジニアリング株式会社 発泡体の製造方法
GB8928250D0 (en) * 1989-12-14 1990-02-21 Erba Carlo Spa Use of supercritical fluids to obtain porous sponges of biodegradable polymers
US5158986A (en) * 1991-04-05 1992-10-27 Massachusetts Institute Of Technology Microcellular thermoplastic foamed with supercritical fluid
US5670102A (en) * 1993-02-11 1997-09-23 Minnesota Mining And Manufacturing Company Method of making thermoplastic foamed articles using supercritical fluid

Also Published As

Publication number Publication date
FI100803B (fi) 1998-02-27
FI940876A (fi) 1995-08-26
WO1995023181A1 (en) 1995-08-31

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: VALTION TEKNILLINEN TUTKIMUSKESKUS