NO952260L - Fremgangsmåte for styring av celletallet i polyuretankumstoff - Google Patents

Fremgangsmåte for styring av celletallet i polyuretankumstoff

Info

Publication number
NO952260L
NO952260L NO952260A NO952260A NO952260L NO 952260 L NO952260 L NO 952260L NO 952260 A NO952260 A NO 952260A NO 952260 A NO952260 A NO 952260A NO 952260 L NO952260 L NO 952260L
Authority
NO
Norway
Prior art keywords
polyurethane foam
cell number
controlling cell
barrage
isocyanate
Prior art date
Application number
NO952260A
Other languages
English (en)
Other versions
NO952260D0 (no
Inventor
Hans-Michael Sulzbach
Reiner Raffel
Herbert Steilen
Original Assignee
Hennecke Gmbh Maschf
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 Hennecke Gmbh Maschf filed Critical Hennecke Gmbh Maschf
Publication of NO952260D0 publication Critical patent/NO952260D0/no
Publication of NO952260L publication Critical patent/NO952260L/no

Links

Classifications

    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • B29C67/246—Moulding high reactive monomers or prepolymers, e.g. by reaction injection moulding [RIM], liquid injection moulding [LIM]
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7404—Mixing devices specially adapted for foamable substances
    • B29B7/7409—Mixing devices specially adapted for foamable substances with supply of gas
    • B29B7/7414—Mixing devices specially adapted for foamable substances with supply of gas with rotatable stirrer, e.g. using an intermeshing rotor-stator system
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7404—Mixing devices specially adapted for foamable substances
    • B29B7/7433—Plants
    • 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
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/917—Specialized mixing apparatus utilized in cell forming process

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

Det er beskrevet en fremgangsmåte og en Innretning for fremstilling av polyuretanskum med regulert celletall, hvorved dlspergerlngen av gass foregår l en av komponentene polyol eller Isocyanat l en dlspergerlngs- Innretnlng mellom blandehode og doserlngspumpe for den aktuelle komponenten.
NO952260A 1994-06-09 1995-06-08 Fremgangsmåte for styring av celletallet i polyuretankumstoff NO952260L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4420168A DE4420168C1 (de) 1994-06-09 1994-06-09 Verfahren zur Steuerung der Zellenzahl in Polyurethan-Schaumstoffen

Publications (2)

Publication Number Publication Date
NO952260D0 NO952260D0 (no) 1995-06-08
NO952260L true NO952260L (no) 1995-12-11

Family

ID=6520174

Family Applications (1)

Application Number Title Priority Date Filing Date
NO952260A NO952260L (no) 1994-06-09 1995-06-08 Fremgangsmåte for styring av celletallet i polyuretankumstoff

Country Status (5)

Country Link
US (1) US5521224A (no)
EP (1) EP0686467A1 (no)
JP (1) JPH07329057A (no)
DE (1) DE4420168C1 (no)
NO (1) NO952260L (no)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4446876A1 (de) * 1994-12-27 1996-07-04 Bayer Ag Verfahren und Vorrichtung zur Schaumherstellung mittels unter Druck gelöstem Kohlendioxid
DE19706030C2 (de) * 1997-02-17 2000-07-06 Bayer Ag Verfahren und Vorrichtung zur Herstellung füllstoffhaltiger Polyurethane
US6617367B1 (en) 1999-09-20 2003-09-09 Sealed Air Corporation Internally generated rotor set for low viscosity and abrasive metering applications
DE10151855C2 (de) * 2001-10-24 2003-11-20 Hennecke Gmbh Verfahren zur Herstellung von Polyurethan-Schaum
DE10157726A1 (de) * 2001-11-24 2003-06-05 Krauss Maffei Kunststofftech Gasbeladungseinheit einer Polyurethanspritzgießanlage
DE10203701C1 (de) * 2002-01-31 2003-12-04 Hennecke Gmbh Verfahren zur Herstellung von Polyurethan-Schaum mit einstellbarer Zellstruktur
DE10242101A1 (de) * 2002-09-11 2004-03-25 Hennecke Gmbh Verfahren zur Herstellung von Lunker- und Pinholefreiem Polyurethan-Blockschaum
DE102015120526B4 (de) * 2015-11-26 2017-07-13 Webasto SE Vorrichtung und Verfahren zur Aufbereitung eines flüssigen Polymergemisches
CN111875838A (zh) * 2020-07-24 2020-11-03 上海弗列加滤清器有限公司 一种聚氨酯泡沫的制备方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2440022C2 (de) * 1974-08-21 1982-07-08 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Dämm- und Leichtbaustoffen und Vorrichtung zur Durchführung dieses Verfahrens
US4204977A (en) * 1976-02-09 1980-05-27 Olin Corporation Polyurethane foam generating apparatus
DE2836286A1 (de) * 1978-08-18 1980-02-21 Metzeler Schaum Gmbh Verfahren zur zufuehrung einer einstellbaren gasmenge zu einer reaktionskomponente eines reaktionsgemisches sowie vorrichtung zur durchfuehrung eines solchen verfahrens
JPS58142829A (ja) * 1982-02-18 1983-08-25 Mitsubishi Electric Corp 高圧フロス発泡法
DE3442954A1 (de) * 1984-09-19 1986-03-27 Bayer Ag, 5090 Leverkusen Verfahren und vorrichtung zum herstellen eines fliessfaehigen, zu schaumstoff ausreagierenden gemisches aus fliessfaehigen, in vorratsraeumen gelagerten komponenten
DE3602024A1 (de) * 1986-01-24 1987-07-30 Hennecke Gmbh Maschf Verfahren und vorrichtung zum herstellen eines fliessfaehigen, zu schaumstoff ausreagierenden gemisches aus fliessfaehigen komponenten
DE3920994C2 (de) * 1988-07-12 1994-08-25 Elastogran Gmbh Vorrichtung zum Herstellen eines Reaktionsgemisches aus mindestens zwei Komponenten für die Produktion von Schaumstoffen
US5055272A (en) * 1989-01-13 1991-10-08 Sealed Air Corporation Method for producing polyurethane foam and apparatus therefor
US5082142A (en) * 1989-08-04 1992-01-21 Nordson Corporation Method and apparatus for applying non-chemically foamed multi-component curable polymers
US5154088A (en) * 1990-07-24 1992-10-13 The Dow Chemical Company Apparatuses and methods for incorporating blowing agents into liquids for the production of polymer foams and for measuring the volumetric expansion potential of mixtures thereof
US5270014A (en) * 1991-03-19 1993-12-14 Krauss-Maffei Ag Apparatus for producing a foamed mass of a polyurea elastomer
ES2076812T3 (es) * 1992-04-03 1995-11-01 Koepp Ag Procedimiento para el control continuo del numero de celdillas de espumas de poliuretano.
DE4316190C1 (de) * 1993-05-14 1994-12-08 Hennecke Gmbh Maschf Verfahren und Vorrichtung zum Aufbereiten von Polyurethanschaumstoff-Abfällen, insbesondere Weichschaumstoff-Abfällen, zur Wiederverwertung als Zuschlagstoffe bei der Polyurethanherstellung

Also Published As

Publication number Publication date
US5521224A (en) 1996-05-28
EP0686467A1 (de) 1995-12-13
NO952260D0 (no) 1995-06-08
JPH07329057A (ja) 1995-12-19
DE4420168C1 (de) 1996-02-08

Similar Documents

Publication Publication Date Title
NO952260L (no) Fremgangsmåte for styring av celletallet i polyuretankumstoff
DE3370344D1 (en) Process for producing polyisocyanates containing isocyanurate groups, and their use as isocyanate components for producing polyurethanes
DE3486242D1 (de) Zellige Polyurethan-Formkörper, Verfahren zu deren Herstellung durch thermoplastische Verformung von Polyester-Polyurethan-Schaumstoffen sowie deren Verwendung.
NO985976D0 (no) Anordning og fremgangsmÕte for fremstilling av skumputer under anvendelse av fleskible skum-blandekamre
NO912243L (no) Forbedrede polymer/polyol-blandinger som egner seg for anvendelse ved fremstilling av polyuretaner, og forhaandsformede stabilisatorsystemer for anvendelse ved fremstilling av polymer/polyol-blandingene.
EP0667567A3 (en) Apparatus and method for supporting an implicit structuring of free-form lists, overviews, texts, tables and diagrams in an input system and editing system based on hand signals.
DE69818086D1 (de) Elastisches trägerband mit polsterung sowie verfahren und vorrichtung zu dessen herstellung
WO1996031848A3 (en) Telecommunications reward method
CA2236229A1 (en) Application program and documentation generator system and method
ATE553136T1 (de) Mehrkomponenten-ortschaumsystem und dessen verwendung
EP0684500A3 (en) Liquid crystal display device and method and apparatus for its manufacture.
ATE170171T1 (de) Verfahren zur herstellung von biuretgruppen enthaltenden polyisocyanaten
GB9110766D0 (en) Foamed polyurethane-forming composition,foamed polyurethane and process for making the same
FI932259A0 (fi) Menetelmä ja järjestely tukiaseman kunnon mittaamiseksi
NO910377D0 (no) Fremstilling av fleksibelt, polymert skum.
JPS604015A (ja) 反応射出成形装置用再混合装置
EP0606988A3 (en) Parallel error diffusion method and apparatus.
ATE220607T1 (de) Verfahren und vorrichtung zum aufschäumen unter vakuum von schaumplatten
PL326221A1 (en) Method of obtaining coherent or cellular polyurethane elastomers on the basis of polyisocyanate mixtures containing 3,3'-dimethyldiphenyl 4,4'-diisocyanate and isocyanate prepolymers suitable for that purpose
ATE197599T1 (de) Verfahren zur herstellung von blockierten polyisocyanaten und deren verwendung in polyurethan-lacksystemen
EP0472063A3 (en) Isocyanurate groups containing polyisocyanate mixtures, process for their preparation and their use in the preparation of polyurethane foams
EP0648588A3 (en) Method and device for foam plastic production.
TR199901954T2 (xx) Dolgu maddesi ihtiva eden poli�retanlar� �retmek �zere y�ntem ve alet
DK0565974T3 (da) Fremgangsmåde til kontinuerlig styring af polyurethanskumstoffers celletal
MY102833A (en) Method and apparatus for humidifying rice grains