GB1403693A - Process for the production of polyurethane elastomers - Google Patents

Process for the production of polyurethane elastomers

Info

Publication number
GB1403693A
GB1403693A GB199674A GB199674A GB1403693A GB 1403693 A GB1403693 A GB 1403693A GB 199674 A GB199674 A GB 199674A GB 199674 A GB199674 A GB 199674A GB 1403693 A GB1403693 A GB 1403693A
Authority
GB
United Kingdom
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
GB199674A
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 GB1403693A publication Critical patent/GB1403693A/en
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)
GB199674A 1973-01-19 1974-01-16 Process for the production of polyurethane elastomers Expired GB1403693A (en)

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
GB1403693A true GB1403693A (en) 1975-08-28

Family

ID=5869412

Family Applications (1)

Application Number Title Priority Date Filing Date
GB199674A Expired GB1403693A (en) 1973-01-19 1974-01-16 Process for the production of polyurethane elastomers

Country Status (18)

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119271A (en) * 1982-04-26 1983-11-16 Pomini Farrel Spa Mixing machine
GB2229131A (en) * 1989-03-17 1990-09-19 Vactite Ltd Coating electric conductors
US5739250A (en) * 1995-06-07 1998-04-14 Bayer Aktiengesellschaft Thermoplastic polyurethane-urea elastomers
EP1935622A1 (de) * 2000-08-03 2008-06-25 Ranier Limited Präzisionspolyurethanherstellung
US7842392B2 (en) 2005-02-22 2010-11-30 Basf Se Article comprising polystyrene and thermoplastic polyurethane

Families Citing this family (25)

* 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
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
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
DE19823393A1 (de) 1998-05-26 1999-12-02 Basf Ag Isocyanatgruppenhaltige Prepolymere und Verfahren zu ihrer Herstellung
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
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119271A (en) * 1982-04-26 1983-11-16 Pomini Farrel Spa Mixing machine
GB2229131A (en) * 1989-03-17 1990-09-19 Vactite Ltd Coating electric conductors
US5739250A (en) * 1995-06-07 1998-04-14 Bayer Aktiengesellschaft Thermoplastic polyurethane-urea elastomers
EP1935622A1 (de) * 2000-08-03 2008-06-25 Ranier Limited Präzisionspolyurethanherstellung
US8784712B2 (en) 2000-08-03 2014-07-22 Ranier Limited Precision polyurethane manufacture
US7842392B2 (en) 2005-02-22 2010-11-30 Basf Se Article comprising polystyrene and thermoplastic polyurethane

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 (de) 1977-09-23
JPS565244B2 (de) 1981-02-04
NL7400585A (de) 1974-07-23
DK137134C (da) 1978-07-03
NL167980B (nl) 1981-09-16
SE412402B (sv) 1980-03-03
DD110287A5 (de) 1974-12-12
AT332124B (de) 1976-09-10
BE809904A (fr) 1974-07-18
IE38767B1 (en) 1978-05-24
ES422407A1 (es) 1976-04-16
IE38767L (en) 1974-07-19
LU69188A1 (de) 1974-08-19
CA1026491A (en) 1978-02-14
IT1002693B (it) 1976-05-20
BR7400337D0 (pt) 1974-08-22
DK137134B (da) 1978-01-23
AU6447974A (en) 1975-07-17
FR2214719A1 (de) 1974-08-19
DE2302564B2 (de) 1978-10-26
JPS49109497A (de) 1974-10-17
NL167980C (nl) 1985-03-18
DE2302564C3 (de) 1985-02-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee