ES422407A1 - Procedimiento para la obtencion de blastomeros de poliure- tano. - Google Patents

Procedimiento para la obtencion de blastomeros de poliure- tano.

Info

Publication number
ES422407A1
ES422407A1 ES422407A ES422407A ES422407A1 ES 422407 A1 ES422407 A1 ES 422407A1 ES 422407 A ES422407 A ES 422407A ES 422407 A ES422407 A ES 422407A ES 422407 A1 ES422407 A1 ES 422407A1
Authority
ES
Spain
Prior art keywords
molecular weight
screw
end product
polyurethane elastomers
kneading
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
Application number
ES422407A
Other languages
English (en)
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
Publication of ES422407A1 publication Critical patent/ES422407A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/0895—Manufacture of polymers by continuous processes
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/405—Intermeshing co-rotating screws
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/57—Screws provided with kneading disc-like elements, e.g. with oval-shaped elements
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/94—Lubricating
    • B29C48/95—Lubricating by adding lubricant to the moulding material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/0838—Manufacture of polymers in the presence of non-reactive compounds

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Adhesives Or Adhesive Processes (AREA)
ES422407A 1973-01-19 1974-01-18 Procedimiento para la obtencion de blastomeros de poliure- tano. Expired ES422407A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2302564A DE2302564C3 (de) 1973-01-19 1973-01-19 Verfahren zur Herstellung von Polyurethan-Elastomeren

Publications (1)

Publication Number Publication Date
ES422407A1 true ES422407A1 (es) 1976-04-16

Family

ID=5869412

Family Applications (1)

Application Number Title Priority Date Filing Date
ES422407A Expired ES422407A1 (es) 1973-01-19 1974-01-18 Procedimiento para la obtencion de blastomeros de poliure- tano.

Country Status (18)

Country Link
JP (1) JPS565244B2 (es)
AT (1) AT332124B (es)
AU (1) AU473836B2 (es)
BE (1) BE809904A (es)
BR (1) BR7400337D0 (es)
CA (1) CA1026491A (es)
CH (1) CH616439A5 (es)
DD (1) DD110287A5 (es)
DE (1) DE2302564C3 (es)
DK (1) DK137134C (es)
ES (1) ES422407A1 (es)
FR (1) FR2214719B1 (es)
GB (1) GB1403693A (es)
IE (1) IE38767B1 (es)
IT (1) IT1002693B (es)
LU (1) LU69188A1 (es)
NL (1) NL167980C (es)
SE (1) SE412402B (es)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2549372C2 (de) * 1975-11-04 1984-08-09 Bayer Ag, 5090 Leverkusen Verfahren zur kontinuierlichen Herstellung von Polyurethan-Elastomeren
DE2610980B2 (de) * 1976-03-16 1978-01-12 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen herstellung von thermoplastischen polyurethan-elastomeren
DE2842806A1 (de) * 1978-09-30 1980-04-10 Bayer Ag Verfahren zur herstellung von polyurethan-elastomeren
DE2925944A1 (de) 1979-06-27 1981-01-22 Bayer Ag Verfahren zur herstellung von polyurethanharnstoffen
IT1132527B (it) * 1979-07-13 1986-07-02 Buss Ag Procedimento e dispositivo per la produzione continua di poliuretani
US4409167A (en) * 1981-01-13 1983-10-11 E. I. Du Pont De Nemours & Co, Process for extruding a modified high molecular weight poly(ethylene terephthalate) resin
JPS5890442U (ja) * 1981-12-11 1983-06-18 富士電機株式会社 読取装置
IT8221688V0 (it) * 1982-04-26 1982-04-26 Pomini Farrel Spa Macchina mescolatrice in continuo perfezionata per materie plastiche, ed in particolare per gomma in polvere ed "in forma suddivisa".
JPS6296515A (ja) * 1985-05-13 1987-05-06 Polyplastics Co トリオキサンの重合体又は共重合体の連続製造法
DE3831706A1 (de) * 1988-09-17 1990-03-22 Bayer Ag Membran fuer lautsprecher
GB2229131A (en) * 1989-03-17 1990-09-19 Vactite Ltd Coating electric conductors
US5158725A (en) * 1991-04-29 1992-10-27 The Goodyear Tire & Rubber Company Continuous mixing of elastomeric compounds
JP2878841B2 (ja) * 1991-07-03 1999-04-05 鐘紡株式会社 熱可塑性ポリウレタン弾性体、その製造法およびそれからなる弾性繊維
DE4426943A1 (de) 1994-07-29 1996-02-01 Bayer Ag Polyurethan-Formmassen
DE4437586A1 (de) 1994-10-20 1996-04-25 Basf Schwarzheide Gmbh Verfahren zur Herstellung von thermoplastischen Polyurethanen
DE19520730A1 (de) * 1995-06-07 1996-12-12 Bayer Ag Thermoplastische Polyurethanharnstoff-Elastomere
DE19823393A1 (de) 1998-05-26 1999-12-02 Basf Ag Isocyanatgruppenhaltige Prepolymere und Verfahren zu ihrer Herstellung
GB0019074D0 (en) * 2000-08-03 2000-09-27 Ranier Ltd Precision polyurethane manufacture
DE10138298A1 (de) 2001-08-10 2003-02-27 Basf Ag Thermoplastische Polyurethane
DE102005004967A1 (de) 2005-02-03 2006-08-10 Basf Ag Verfahren zur kontinuierlichen Herstellung thermoplastisch verarbeitbarer Polyurethan-Elastomere
DE102005008260A1 (de) 2005-02-22 2006-08-24 Basf Ag Artikel enthaltend Polystyrol und thermoplastisches Polyurethan
DE102005039933B4 (de) 2005-08-24 2007-12-27 Bayer Materialscience Ag Verfahren zur Herstellung von thermoplastisch verarbeitbaren Polyurethanen
DE102008023252A1 (de) 2008-05-13 2009-11-19 Tesa Se Hotmelt-Verfahren zur Herstellung eines chemisch vernetzten Polyurethanfilms
DE102009046657A1 (de) 2009-11-12 2011-05-19 Tesa Se Haftklebstoff auf Basis von Polyurethan
WO2014057057A1 (de) * 2012-10-10 2014-04-17 Basf Se Fangvorrichtung aus thermoplastischem polyurethan
GB201309458D0 (en) * 2013-05-27 2013-07-10 Queens University Of The Belfast Process for the Preparation of a Metal-Organic Compound
DE102013021027A1 (de) 2013-12-17 2015-06-18 Carl Freudenberg Kg Thermoplastisches Polyurethan für Dichtungsanwendungen
EP3827048A1 (de) 2018-07-25 2021-06-02 Covestro Intellectual Property GmbH & Co. KG Polymer-blends enthaltend thermoplast und vernetztes reaktionsprodukt aus polyaddition oder polykondensation
EP3838960A1 (de) 2019-12-17 2021-06-23 Covestro Deutschland AG Verfahren zur einstellung der molekulargewichtsverteilung bei polykondensationen und/oder polyadditionen
EP4077451A1 (de) 2019-12-17 2022-10-26 Covestro Intellectual Property GmbH & Co. KG Verfahren zur einstellung der molekulargewichtsverteilung bei polykondensationen und/oder polyadditionen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB856708A (en) * 1958-10-09 1960-12-21 Union Carbide Corp Method and apparatus for mixing materials forming viscous masses
BE759829A (fr) * 1969-12-03 1971-06-03 Upjohn Co Preparation de polyurethanes
DE1964834A1 (de) * 1969-12-24 1971-07-01 Bayer Ag Verfahren zur Herstellung von Polyurethan-Elastomeren

Also Published As

Publication number Publication date
ATA36674A (de) 1975-12-15
CH616439A5 (en) 1980-03-31
DE2302564A1 (de) 1974-07-25
AU473836B2 (en) 1976-07-01
FR2214719B1 (es) 1977-09-23
JPS565244B2 (es) 1981-02-04
NL7400585A (es) 1974-07-23
DK137134C (da) 1978-07-03
NL167980B (nl) 1981-09-16
SE412402B (sv) 1980-03-03
DD110287A5 (es) 1974-12-12
AT332124B (de) 1976-09-10
BE809904A (fr) 1974-07-18
IE38767B1 (en) 1978-05-24
IE38767L (en) 1974-07-19
LU69188A1 (es) 1974-08-19
CA1026491A (en) 1978-02-14
IT1002693B (it) 1976-05-20
GB1403693A (en) 1975-08-28
BR7400337D0 (pt) 1974-08-22
DK137134B (da) 1978-01-23
AU6447974A (en) 1975-07-17
FR2214719A1 (es) 1974-08-19
DE2302564B2 (de) 1978-10-26
JPS49109497A (es) 1974-10-17
NL167980C (nl) 1985-03-18
DE2302564C3 (de) 1985-02-07

Similar Documents

Publication Publication Date Title
ES422407A1 (es) Procedimiento para la obtencion de blastomeros de poliure- tano.
US2969960A (en) Mixing apparatus
CA959986A (en) Process for the production of alkenyl aromatic polymers containing a reinforcing polymer therein
ES374709A1 (es) Perfeccionamientos en la construccion de maquinas de torni-llo sin fin para el tratamiento continuo de masas plasticas.
GB738784A (en) Homogenizing device for extruding machine
ES433147A1 (es) Procedimiento para la obtencion de materiales espumados conpropiedades auto-desmoldeadoras.
GB1478332A (en) Pre-preg materials chemically integral comosite foam structures prepared therefrom and methods of preparation
GB1428891A (en) Process for the modification of thermoplastic material and apparatus therefor
GB902513A (en) Improvements in or relating to machines for extruding or injection-moulding thermoplastic and other materials
FR2416240A1 (fr) Procede de fabrication d'un article faconne en polyester avec utilisation de matieres de dechet
DE69410846T2 (de) Extrusionsverfahren und Anlage
GB917731A (en) Method of and apparatus for pumping and/or extruding visco-elastic materials
ES481982A1 (es) Procedimiento y dispositivo para la obtencion de una mezcla espumable.
JPS53106752A (en) Reinforcing material and its composition for molding product
ES422004A1 (es) Un procedimiento de desvolatilizacion continuo.
GB1508317A (en) Process for the production of elastomeric polyurethane ureas
ES366440A1 (es) Procedimiento continuo para la preparacion de copolimeros bloque.
NL7506523A (nl) Werkwijze ter bereiding van kunststoffen, alsmede daaruit verkregen gevormde voortbrengsels.
GB1373155A (en) Process and apparatus for the continuous regeneration of rubber and plastics
GB1292366A (en) Mixing and plasticating machine and process for operating said machine
JPS55101412A (en) Continuous extrusion molding method for colored plastics
GB1179445A (en) Production of Expanded Olefin Polymer Moldings
NL165474C (nl) Werkwijze ter bereiding van vloeibare polymeer/poly- olsamenstellingen alsmede uit deze samenstellingen verkregen polyurethaanvormstukken.
GB1264493A (es)
ES8301756A1 (es) Instalacion para la preparacion de un producto constituido por una mezcla de una carga solida y un aglutinante termo- plastico.