BR9704473A - Processo para a reutilização de poliuretanos microcelulares - Google Patents

Processo para a reutilização de poliuretanos microcelulares

Info

Publication number
BR9704473A
BR9704473A BR9704473A BR9704473A BR9704473A BR 9704473 A BR9704473 A BR 9704473A BR 9704473 A BR9704473 A BR 9704473A BR 9704473 A BR9704473 A BR 9704473A BR 9704473 A BR9704473 A BR 9704473A
Authority
BR
Brazil
Prior art keywords
pur
reuse
microcellular polyurethanes
polyurethanes
microcellular
Prior art date
Application number
BR9704473A
Other languages
English (en)
Inventor
Hartmut Peuker
Wolfgang Scholz
Ute Bruns
Michael-Christian Luderwald
Torsten Jeschke
Arne Kriesmann
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Publication of BR9704473A publication Critical patent/BR9704473A/pt

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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7678—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing condensed aromatic rings
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
BR9704473A 1996-08-22 1997-08-20 Processo para a reutilização de poliuretanos microcelulares BR9704473A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19633891A DE19633891A1 (de) 1996-08-22 1996-08-22 Verfahren zur Wiederverwendung von Polyurethanen

Publications (1)

Publication Number Publication Date
BR9704473A true BR9704473A (pt) 1999-01-12

Family

ID=7803363

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9704473A BR9704473A (pt) 1996-08-22 1997-08-20 Processo para a reutilização de poliuretanos microcelulares

Country Status (7)

Country Link
US (1) US5891927A (pt)
EP (1) EP0826705B1 (pt)
JP (1) JPH1095825A (pt)
AT (1) ATE268789T1 (pt)
BR (1) BR9704473A (pt)
CA (1) CA2212117A1 (pt)
DE (2) DE19633891A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6258867B1 (en) * 1999-07-23 2001-07-10 Bayer Corporation Method for making semi-rigid energy-absorbing foam with polyurethane fillers
DE60028905D1 (de) * 1999-11-16 2006-08-03 C U E Mikrozellulärer Hochleistungsschaum und Herstellungsverfahren und Vorrichtung dafür
EP1242517B1 (en) * 1999-12-23 2005-03-02 Mobius Technologies, Inc. Polymeric foam processing
US20040058163A1 (en) * 2000-05-18 2004-03-25 Peter Gansen Composite material
MY131962A (en) * 2001-01-24 2007-09-28 Nichia Corp Light emitting diode, optical semiconductor device, epoxy resin composition suited for optical semiconductor device, and method for manufacturing the same
JP4597567B2 (ja) * 2004-05-07 2010-12-15 株式会社イノアックコーポレーション ポリウレタン発泡体及びその積層体
US20080132591A1 (en) * 2006-12-01 2008-06-05 Lawrence Gary M Method of producing a thermoplastic polyurethane compound
JP6261128B2 (ja) * 2014-04-02 2018-01-17 住友ゴム工業株式会社 ゴム組成物および半導電性発泡ゴムローラ
EP3492518A1 (en) 2017-11-29 2019-06-05 Covestro Deutschland AG Method for treating a polyurethane foam
JP2019099631A (ja) * 2017-11-30 2019-06-24 株式会社イノアックコーポレーション チップ分散軟質ポリウレタンフォームとその製造方法
CN110684501B (zh) * 2019-09-25 2022-03-22 郑州大学 聚氨酯硬泡粉末填充单组份聚氨酯密封胶及其制备方法
EP3828213A1 (de) * 2019-11-28 2021-06-02 Covestro Deutschland AG Schüttgut enthaltend feste diisocyanate und daraus erhältliche urethangruppen-enthaltende prepolymere
KR102377611B1 (ko) * 2021-09-07 2022-03-22 동세철 폴리우레탄 섬유 제조 시 발생되는 폐수지를 재생하여 합성한 내한 굴곡 특성이 우수한 친환경 재생 바이오 폴리우레탄 수지의 제조방법
CN114656673A (zh) * 2022-04-13 2022-06-24 澳森传动系统(昆山)有限公司 聚氨酯微孔发泡及其生产方法
WO2024170430A1 (de) 2023-02-17 2024-08-22 Evonik Operations Gmbh Stabilisatoren für polyurethanschaumstoffe enthaltend feststoff

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256218A (en) * 1962-11-19 1966-06-14 Du Pont Dispersing coarse fillers in polyurethane foams
FR2357357A2 (fr) * 1970-07-02 1978-02-03 Gen Foam Products Produits moules de densite elevee a base de resine de polyurethane
GB1585260A (en) * 1976-07-09 1981-02-25 Gen Foam Products Flexible polyurethane moulded product
DE2035175B2 (de) * 1970-07-15 1973-03-08 Elastomer Ag, Chur (Schweiz) Verfahren zur verwertung von abfaellen, ausschussteilen und/oder altmaterialien aus polyaddukten, die nach dem isocyanat-polyadditionsverfahren hergestellt worden sind
US4692470A (en) * 1986-02-04 1987-09-08 Air Products And Chemicals, Inc. Process for incorporating powders in viscous fluids
DE4316389A1 (de) * 1993-05-17 1994-11-24 Bayer Ag Verfahren zur Herstellung von Isocyanatpräpolymeren durch Auflösen von Polyurethan in Isocyanaten
DE4328076A1 (de) * 1993-08-20 1995-02-23 Bayer Ag Verfahren zur Herstellung von weichen, Urethangruppen aufweisenden Schaumstoffen
DE4334549A1 (de) * 1993-10-11 1995-04-13 Bayer Ag Polyisocyanat-Zubereitungen
DE4409546A1 (de) * 1994-03-19 1995-09-21 Kabelmetal Ag Verfahren zur Verwertung von ausreagierten Polyurethan-Schaumkunststoffresten
DE4418506A1 (de) * 1994-05-27 1995-11-30 Bayer Ag Verfahren zur Herstellung von Formkörpern aus Zweikomponenten-Reaktivsystemen mit hohem Füllstoffgehalt
EP0693526A1 (de) * 1994-07-20 1996-01-24 Bayer Ag Verfahren zur Herstellung von harten Urethan- und gegebenenfalls Isocyanuratgruppen aufweisenden Schaumstoffen

Also Published As

Publication number Publication date
DE59711696D1 (de) 2004-07-15
US5891927A (en) 1999-04-06
JPH1095825A (ja) 1998-04-14
DE19633891A1 (de) 1998-02-26
EP0826705A1 (de) 1998-03-04
ATE268789T1 (de) 2004-06-15
EP0826705B1 (de) 2004-06-09
CA2212117A1 (en) 1998-02-22

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Legal Events

Date Code Title Description
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]