FI95354B - Förfarande och anordning för framställning av expanderade termoplastiska mikrosfärer - Google Patents

Förfarande och anordning för framställning av expanderade termoplastiska mikrosfärer Download PDF

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Publication number
FI95354B
FI95354B FI893040A FI893040A FI95354B FI 95354 B FI95354 B FI 95354B FI 893040 A FI893040 A FI 893040A FI 893040 A FI893040 A FI 893040A FI 95354 B FI95354 B FI 95354B
Authority
FI
Finland
Prior art keywords
microbeads
belt
expanded
band
screw
Prior art date
Application number
FI893040A
Other languages
English (en)
Finnish (fi)
Other versions
FI95354C (sv
FI893040A0 (sv
FI893040A (sv
Inventor
Joergen Petersen
Lars-Olov Svedberg
Original Assignee
Casco Nobel Ab
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
Priority claimed from SE8802387A external-priority patent/SE8802387D0/sv
Application filed by Casco Nobel Ab filed Critical Casco Nobel Ab
Publication of FI893040A0 publication Critical patent/FI893040A0/sv
Publication of FI893040A publication Critical patent/FI893040A/sv
Application granted granted Critical
Publication of FI95354B publication Critical patent/FI95354B/sv
Publication of FI95354C publication Critical patent/FI95354C/sv

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00Conditioning or physical treatment of the material to be shaped
    • B29B13/02Conditioning or physical treatment of the material to be shaped by heating
    • B29B13/021Heat treatment of powders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/3442Mixing, kneading or conveying the foamable material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/3461Making or treating expandable particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/055Polytetrafluoroethylene, i.e. PTFE

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
FI893040A 1988-06-23 1989-06-21 Förfarande och anordning för framställning av expanderade termoplastiska mikrosfärer FI95354C (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE8802387 1988-06-23
SE8802387A SE8802387D0 (sv) 1988-06-23 1988-06-23 Forfarande for framstellning av expanderade termoplastiska mikrosferer
SE8900541 1989-02-16
SE8900541A SE8900541L (sv) 1988-06-23 1989-02-16 Foerfarande och anordning foer framstaellning av expanderade termoplastiska mikrosfaerer

Publications (4)

Publication Number Publication Date
FI893040A0 FI893040A0 (sv) 1989-06-21
FI893040A FI893040A (sv) 1989-12-24
FI95354B true FI95354B (sv) 1995-10-13
FI95354C FI95354C (sv) 1996-01-25

Family

ID=26660243

Family Applications (1)

Application Number Title Priority Date Filing Date
FI893040A FI95354C (sv) 1988-06-23 1989-06-21 Förfarande och anordning för framställning av expanderade termoplastiska mikrosfärer

Country Status (14)

Country Link
US (2) US5484815A (sv)
EP (1) EP0348372B1 (sv)
JP (1) JPH0829245B2 (sv)
KR (1) KR100196539B1 (sv)
AT (1) ATE101823T1 (sv)
AU (1) AU620879B2 (sv)
CA (1) CA1329685C (sv)
DE (1) DE68913235T2 (sv)
DK (1) DK173520B1 (sv)
ES (1) ES2050844T3 (sv)
FI (1) FI95354C (sv)
NO (1) NO177089C (sv)
NZ (1) NZ229644A (sv)
PT (1) PT90950B (sv)

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Also Published As

Publication number Publication date
FI95354C (sv) 1996-01-25
NZ229644A (en) 1991-08-27
DE68913235T2 (de) 1994-07-14
DK313689D0 (da) 1989-06-23
ES2050844T3 (es) 1994-06-01
KR100196539B1 (ko) 1999-06-15
NO177089C (no) 1995-07-19
US5484815A (en) 1996-01-16
NO892604L (no) 1989-12-27
DE68913235D1 (de) 1994-03-31
DK313689A (da) 1989-12-24
PT90950A (pt) 1989-12-29
KR19990000592A (ko) 1999-01-15
US5585119A (en) 1996-12-17
DK173520B1 (da) 2001-01-29
JPH0256240A (ja) 1990-02-26
NO177089B (no) 1995-04-10
AU3670789A (en) 1990-01-04
JPH0829245B2 (ja) 1996-03-27
FI893040A0 (sv) 1989-06-21
PT90950B (pt) 1994-06-30
ATE101823T1 (de) 1994-03-15
EP0348372A3 (en) 1991-09-04
FI893040A (sv) 1989-12-24
NO892604D0 (no) 1989-06-22
EP0348372B1 (en) 1994-02-23
AU620879B2 (en) 1992-02-27
CA1329685C (en) 1994-05-24
EP0348372A2 (en) 1989-12-27

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