ES2024056B3 - Procedimiento y dispositivo para la carga de gas con al menos un componente reactivo que puede ser fluido, especialmente en cantidades pequeñas, para la produccion de sustancias espumosas, especialmente espumas de poliuretano. - Google Patents

Procedimiento y dispositivo para la carga de gas con al menos un componente reactivo que puede ser fluido, especialmente en cantidades pequeñas, para la produccion de sustancias espumosas, especialmente espumas de poliuretano.

Info

Publication number
ES2024056B3
ES2024056B3 ES89103545T ES89103545T ES2024056B3 ES 2024056 B3 ES2024056 B3 ES 2024056B3 ES 89103545 T ES89103545 T ES 89103545T ES 89103545 T ES89103545 T ES 89103545T ES 2024056 B3 ES2024056 B3 ES 2024056B3
Authority
ES
Spain
Prior art keywords
production
small quantities
procedure
fluid
reactant
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES89103545T
Other languages
English (en)
Inventor
Kurt Krippl
Klaus Schulte
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of ES2024056B3 publication Critical patent/ES2024056B3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ES89103545T 1988-03-11 1989-03-01 Procedimiento y dispositivo para la carga de gas con al menos un componente reactivo que puede ser fluido, especialmente en cantidades pequeñas, para la produccion de sustancias espumosas, especialmente espumas de poliuretano. Expired - Lifetime ES2024056B3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3808082A DE3808082A1 (de) 1988-03-11 1988-03-11 Verfahren und vorrichtung zum beladen mindestens einer fliessfaehigen reaktionskomponente mit gas, insbesondere in geringen mengen, fuer die herstellung von schaumstoffen, insbesondere polyurethanschaumstoffen

Publications (1)

Publication Number Publication Date
ES2024056B3 true ES2024056B3 (es) 1992-02-16

Family

ID=6349448

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89103545T Expired - Lifetime ES2024056B3 (es) 1988-03-11 1989-03-01 Procedimiento y dispositivo para la carga de gas con al menos un componente reactivo que puede ser fluido, especialmente en cantidades pequeñas, para la produccion de sustancias espumosas, especialmente espumas de poliuretano.

Country Status (6)

Country Link
US (1) US4973608A (es)
EP (1) EP0332032B1 (es)
JP (1) JPH01275014A (es)
AT (1) ATE66862T1 (es)
DE (2) DE3808082A1 (es)
ES (1) ES2024056B3 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3818161A1 (de) * 1988-05-28 1989-12-07 Bayer Ag Verfahren und vorrichtung zum kontinuierlichen beladen mindestens einer fliessfaehigen reaktionskomponente mit gas fuer die herstellung eines schaumstoffbildenden, fliessfaehigen reaktionsgemisches
DE4119966C2 (de) * 1991-06-18 1996-02-08 Spuehl Ag Meßeinrichtung zur Erfassung der Gasbeladung einer Kunststoffkomponente
ATE126122T1 (de) * 1992-04-03 1995-08-15 Koepp Ag Verfahren zur kontinuierlichen steuerung der zellenzahl von polyurethan-schaumstoffen.
DE4233289A1 (de) * 1992-10-02 1994-04-07 Beiersdorf Ag Hydrophile Polyurethanschaumgele und Verfahren zu deren Herstellung
DE4235970C1 (de) * 1992-10-26 1993-11-25 Bayer Ag Vorrichtung zum Herstellen eines Schaumstoff bildenden Reaktionsgemisches
BR112012000493B1 (pt) * 2009-07-10 2019-05-21 Huntsman International Llc Espuma cristalina, e, processo para preparar uma espuma cristalina.
DE102015120526B4 (de) * 2015-11-26 2017-07-13 Webasto SE Vorrichtung und Verfahren zur Aufbereitung eines flüssigen Polymergemisches

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD120830A1 (es) * 1975-07-29 1976-07-05
DE3244037A1 (de) * 1982-11-27 1984-05-30 Bayer Ag, 5090 Leverkusen Verfahren und vorrichtung zum herstellen eines fliessfaehigen, zu schaumstoff ausreagierenden gemisches aus fliessfaehigen komponenten
DE3434443A1 (de) * 1984-09-19 1986-03-20 Bayer Ag, 5090 Leverkusen Vorrichtung zum kontinuierlichen herstellen eines fliessfaehigen, schaumstoffbildenden reaktionsgemisches aus fliessfaehigen komponenten
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
DE3502071A1 (de) * 1985-01-23 1986-07-24 Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen Ruehrwerk
US4590218A (en) * 1985-06-19 1986-05-20 The O'brien Corporation Method and apparatus for forming a chemical composition from cross-linking components and product of the method
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
US4777186A (en) * 1987-05-04 1988-10-11 Scotfoam Corporation Restricted expansion foaming and the flexible polyurethane foam thereby produced

Also Published As

Publication number Publication date
EP0332032A1 (de) 1989-09-13
JPH01275014A (ja) 1989-11-02
EP0332032B1 (de) 1991-09-04
US4973608A (en) 1990-11-27
DE58900248D1 (de) 1991-10-10
DE3808082A1 (de) 1989-09-21
ATE66862T1 (de) 1991-09-15

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