NO177089C - Fremgangsmåte og apparat ved fremstilling av ekspanderte termoplastiske mikrosfærer - Google Patents

Fremgangsmåte og apparat ved fremstilling av ekspanderte termoplastiske mikrosfærer

Info

Publication number
NO177089C
NO177089C NO892604A NO892604A NO177089C NO 177089 C NO177089 C NO 177089C NO 892604 A NO892604 A NO 892604A NO 892604 A NO892604 A NO 892604A NO 177089 C NO177089 C NO 177089C
Authority
NO
Norway
Prior art keywords
microspheres
heating
spheres
expanded
dried
Prior art date
Application number
NO892604A
Other languages
English (en)
Norwegian (no)
Other versions
NO177089B (no
NO892604D0 (no
NO892604L (no
Inventor
Jorgen 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/xx
Application filed by Casco Nobel Ab filed Critical Casco Nobel Ab
Publication of NO892604D0 publication Critical patent/NO892604D0/no
Publication of NO892604L publication Critical patent/NO892604L/no
Publication of NO177089B publication Critical patent/NO177089B/no
Publication of NO177089C publication Critical patent/NO177089C/no

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B29B13/021—Heat treatment of powders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3461—Making or treating expandable particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • 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
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/055—Polytetrafluoroethylene, 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)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
NO892604A 1988-06-23 1989-06-22 Fremgangsmåte og apparat ved fremstilling av ekspanderte termoplastiske mikrosfærer NO177089C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8802387A SE8802387D0 (sv) 1988-06-23 1988-06-23 Forfarande for framstellning av expanderade termoplastiska mikrosferer
SE8900541A SE8900541L (en) 1988-06-23 1989-02-16 Producing expanded thermoplastic microspheres without agglomerates - by driving unexpanded microspheres under agitation before heating

Publications (4)

Publication Number Publication Date
NO892604D0 NO892604D0 (no) 1989-06-22
NO892604L NO892604L (no) 1989-12-27
NO177089B NO177089B (no) 1995-04-10
NO177089C true NO177089C (no) 1995-07-19

Family

ID=26660243

Family Applications (1)

Application Number Title Priority Date Filing Date
NO892604A NO177089C (no) 1988-06-23 1989-06-22 Fremgangsmåte og apparat ved fremstilling av ekspanderte termoplastiske mikrosfærer

Country Status (14)

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

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Also Published As

Publication number Publication date
AU620879B2 (en) 1992-02-27
FI95354C (fi) 1996-01-25
CA1329685C (en) 1994-05-24
FI893040A0 (fi) 1989-06-21
EP0348372A3 (en) 1991-09-04
JPH0829245B2 (ja) 1996-03-27
DK313689A (da) 1989-12-24
FI893040A (fi) 1989-12-24
KR100196539B1 (ko) 1999-06-15
NO177089B (no) 1995-04-10
EP0348372A2 (en) 1989-12-27
AU3670789A (en) 1990-01-04
ATE101823T1 (de) 1994-03-15
NZ229644A (en) 1991-08-27
NO892604D0 (no) 1989-06-22
FI95354B (fi) 1995-10-13
JPH0256240A (ja) 1990-02-26
DE68913235T2 (de) 1994-07-14
KR19990000592A (ko) 1999-01-15
US5585119A (en) 1996-12-17
NO892604L (no) 1989-12-27
PT90950A (pt) 1989-12-29
DE68913235D1 (de) 1994-03-31
DK173520B1 (da) 2001-01-29
ES2050844T3 (es) 1994-06-01
EP0348372B1 (en) 1994-02-23
US5484815A (en) 1996-01-16
DK313689D0 (da) 1989-06-23
PT90950B (pt) 1994-06-30

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