ES479767A1 - Procedimiento continuo para la obtencion de poliuretanos termoplasticos. - Google Patents

Procedimiento continuo para la obtencion de poliuretanos termoplasticos.

Info

Publication number
ES479767A1
ES479767A1 ES479767A ES479767A ES479767A1 ES 479767 A1 ES479767 A1 ES 479767A1 ES 479767 A ES479767 A ES 479767A ES 479767 A ES479767 A ES 479767A ES 479767 A1 ES479767 A1 ES 479767A1
Authority
ES
Spain
Prior art keywords
component
thermoplastic polyurethane
polyurethane elastomers
weight
preparing thermoplastic
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
ES479767A
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 ES479767A1 publication Critical patent/ES479767A1/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
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/6505—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6511—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38 compounds of group C08G18/3203
    • 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
    • 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
    • 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
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

Procedimiento continuo para la obtención de poliuretanos termoplásticos, caracterizado porque se hacen reaccionar A) uno o varios polioles, esencialmente lineales, con pesos moleculares entre 400 y 10000, B) uno o varios diisocianatos orgánicos, y C) un agente prolongador de cadena conteniendo grupos hidróxilo, con un peso molecular inferior a 250, encontrándose la proporción de los grupos NCO del componente B) con respecto a los grupos activos según Zerewitinoff del componente A) y C) entre 0,90 y 1,2, en extrusionadoras, empleándose como agente prolongador de cadena C) una mezcla de cómo mínimo 2 glicoles, de los cuales uno se emplea en una cantidad de un 50 - 99 % en peso, referido a la totalidad del componente C) y el segundo en una cantidad de un 1 - 50 % en peso, referido a la totalidad del componente C).
ES479767A 1978-04-21 1979-04-20 Procedimiento continuo para la obtencion de poliuretanos termoplasticos. Expired ES479767A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782817456 DE2817456A1 (de) 1978-04-21 1978-04-21 Verfahren zur herstellung von thermoplastischen polyurethanelastomeren

Publications (1)

Publication Number Publication Date
ES479767A1 true ES479767A1 (es) 1979-11-16

Family

ID=6037652

Family Applications (1)

Application Number Title Priority Date Filing Date
ES479767A Expired ES479767A1 (es) 1978-04-21 1979-04-20 Procedimiento continuo para la obtencion de poliuretanos termoplasticos.

Country Status (5)

Country Link
US (1) US4245081A (es)
EP (1) EP0004937B2 (es)
JP (2) JPS54139996A (es)
DE (2) DE2817456A1 (es)
ES (1) ES479767A1 (es)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4376834A (en) * 1981-10-14 1983-03-15 The Upjohn Company Polyurethane prepared by reaction of an organic polyisocyanate, a chain extender and an isocyanate-reactive material of m.w. 500-20,000 characterized by the use of only 2-25 percent by weight of the latter material
DE3143994A1 (de) * 1981-11-05 1983-05-11 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von duennwandigen gegenstaenden aus thermoplastischen polyurethanen oder polyurethanharnstoffen durch extrusion
DE3329775A1 (de) * 1983-08-18 1985-02-28 Bayer Ag, 5090 Leverkusen Thermoplastische polyurethane hoher waermestandfestigkeit auf basis von naphthylendiisocyanat, verfahren zu ihrer herstellung und ihre verwendung
US4592947A (en) * 1984-06-04 1986-06-03 Sierracin Corporation Low temperature laminatable polyurethane
DE3613790A1 (de) * 1986-04-24 1987-10-29 Bayer Ag Verfahren zur herstellung von thermoplastischen polyurethanen fuer die strahlenvernetzung und ihre verwendung
DE3624319A1 (de) * 1986-07-18 1988-01-28 Wolff Walsrode Ag Verfahren zur herstellung von polyurethanfolien fuer blut- oder infusionsbeutel
JPS6359512A (ja) * 1986-08-29 1988-03-15 Kao Corp ポリウレタンフイルムの製造法
DE8901513U1 (de) * 1988-08-20 1989-04-06 Hübner, Karl-Alexander, 7500 Karlsruhe Blutbegasungsvorrichtung
DE4217364A1 (de) * 1992-05-26 1993-12-02 Bayer Ag Verfahren zur Herstellung von thermoplastisch verarbeitbaren Polyurethan-Elastomeren durch einen mehrstufigen Prozeß
US5795948A (en) * 1992-05-26 1998-08-18 Bayer Aktiengesellschaft Multistage process for production of thermoplastic polyurethane elastomers
DE4217365A1 (de) * 1992-05-26 1993-12-02 Bayer Ag Verfahren zur Herstellung von thermoplastisch verarbeitbaren Polyurethan-Elastomeren durch einen mehrstufigen Prozeß
JP3471055B2 (ja) * 1992-12-28 2003-11-25 サカタインクス株式会社 ポリウレタン樹脂、その製造方法およびそれを用いたラミネート用印刷インキ組成物
DE4406948A1 (de) * 1994-03-03 1995-09-07 Bayer Ag Verfahren zur Herstellung von thermoplastischen Polyurethanelastomeren (TPU)
US6022939A (en) * 1994-12-23 2000-02-08 Bayer Aktiengesellschaft Thermoplastic polyurethanes with improved melt flow
US5925724A (en) * 1995-06-23 1999-07-20 Shell Oil Company Use of polydiene diols in thermoplastic polyurethanes
US5679756A (en) * 1995-12-22 1997-10-21 Optima Inc. Optical thermoplastic thiourethane-urethane copolymers
US6521164B1 (en) 1996-02-06 2003-02-18 Parker-Hannifin Corporation Injection-moldable thermoplastic polyurethane elastomer
US6111049A (en) * 1996-02-09 2000-08-29 Shell Oil Company Polyurethanes having improved moisture resistance
US5864001A (en) * 1996-10-16 1999-01-26 Shell Oil Company Polyurethanes made with polydiene diols, diisocyanates, and dimer diol chain extender
US6060560A (en) * 1997-05-23 2000-05-09 Shell Oil Company Polyurethane compositions made from hydroxy-terminated polydiene polymers
US5840233A (en) 1997-09-16 1998-11-24 Optimer, Inc. Process of making melt-spun elastomeric fibers
US7132167B2 (en) * 2002-09-27 2006-11-07 Rexnord Corporation Composite article having thermoplastic elastomer region on thermoplastic substrate
US6984709B2 (en) * 2002-12-20 2006-01-10 Noveon Ip Holdings Corp. Organometallic-free polyurethanes having low extractables
US20040198944A1 (en) * 2003-03-04 2004-10-07 Meltzer Donald A. Thermoplastic polyurethanes
DE102005004967A1 (de) * 2005-02-03 2006-08-10 Basf Ag Verfahren zur kontinuierlichen Herstellung thermoplastisch verarbeitbarer Polyurethan-Elastomere
US20070129524A1 (en) * 2005-12-06 2007-06-07 Sunkara Hari B Thermoplastic polyurethanes comprising polytrimethylene ether soft segments
DE602006014200D1 (de) * 2005-12-09 2010-06-17 Lubrizol Advanced Mat Inc Thermoplastisches polyurethan mit niedriger opazität unter verwendung von co-kettenverlängerern
ATE543849T1 (de) 2006-04-19 2012-02-15 Basf Se Thermoplastische polyurethane
JP2010509407A (ja) * 2006-11-01 2010-03-25 ダウ グローバル テクノロジーズ インコーポレイティド 非極性ポリオレフィンおよびポリウレタンを含む物品、ならびにそれらの作製および使用方法
EP2094740B1 (en) 2006-12-21 2021-01-20 Dow Global Technologies LLC Functionalized olefin polymers, compositions and articles prepared therefrom, and methods for making the same
JP5506659B2 (ja) * 2007-03-29 2014-05-28 ルブリゾル アドバンスド マテリアルズ， インコーポレイテッド １，３−シクロヘキサンジメタノールおよび１，４−シクロヘキサンジメタノールを含む鎖伸長剤の混合物を使用する低ヘイズ熱可塑性ポリウレタン
EP2167561A1 (en) * 2007-07-12 2010-03-31 Dow Global Technologies Inc. Prepolymers and polymers for elastomers
BRPI1009640A2 (pt) 2009-06-18 2019-04-30 Dow Global Technologies Llc composição retardadora de chama, livre de halogênios e de cor estável
EP2534203B1 (en) * 2009-11-12 2016-01-27 Kraton Polymers U.S. LLC Thermoplastic polyurethane block copolymer compositions
IT1400743B1 (it) 2010-06-30 2013-07-02 Dow Global Technologies Inc Composizioni polimeriche
US20140342110A1 (en) * 2013-05-15 2014-11-20 Chemtura Corporation Thermoplastic Polyurethane From Low Free Monomer Prepolymer
CN108559049B (zh) * 2018-05-11 2020-12-11 美瑞新材料股份有限公司 一种抗析出脂肪族热塑性聚氨酯弹性体及其制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3214411A (en) * 1961-05-10 1965-10-26 Mobay Chemical Corp Polyester urethanes made with diphenylmethane diisocyanate which are processable by thermoplastic techniques
US3233025A (en) * 1962-04-24 1966-02-01 Mobay Chemical Corp Method of making polyurethanes
GB1097504A (en) * 1965-03-09 1968-01-03 Upjohn Co Elastomeric polyurethanes
BE759829A (fr) * 1969-12-03 1971-06-03 Upjohn Co Preparation de polyurethanes
US3963679A (en) * 1973-01-19 1976-06-15 Bayer Aktiengesellschaft Process for the production of polyurethane elastomers
DE2402840A1 (de) * 1974-01-22 1975-08-07 Bayer Ag Textilbeschichtung mit gemischen aus polyurethanen, vinylcopolymeren und dienpfropfcopolymerisaten
DE2432090C2 (de) * 1974-07-04 1982-02-11 Fa. Carl Freudenberg, 6940 Weinheim Elastische Formmasse auf Polyurethanbasis
DE2447368A1 (de) * 1974-10-04 1976-04-08 Basf Ag Verfahren zur kontinuierlichen herstellung von thermoplastischen polyurethan-elastomeren
DE2457387C3 (de) * 1974-12-05 1978-09-21 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Textilbeschichtungen mit besonders weichem, Nappaleder-artigem Griff
DE2513817C3 (de) * 1975-03-27 1986-11-13 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Schaumstoff-Formkörpern kompakter Randzone und zelligem Kern
DE2610980B2 (de) 1976-03-16 1978-01-12 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen herstellung von thermoplastischen polyurethan-elastomeren

Also Published As

Publication number Publication date
DE2817456A1 (de) 1979-10-31
DE2963712D1 (en) 1982-11-04
EP0004937A1 (de) 1979-10-31
JPH0146526B2 (es) 1989-10-09
EP0004937B1 (de) 1982-09-22
EP0004937B2 (de) 1986-05-28
US4245081A (en) 1981-01-13
JPS54139996A (en) 1979-10-30
JPS54139995A (en) 1979-10-30

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