CA1144569A - Hydrolyse de polyurethanes en phase gazeuse - Google Patents

Hydrolyse de polyurethanes en phase gazeuse

Info

Publication number
CA1144569A
CA1144569A CA000310616A CA310616A CA1144569A CA 1144569 A CA1144569 A CA 1144569A CA 000310616 A CA000310616 A CA 000310616A CA 310616 A CA310616 A CA 310616A CA 1144569 A CA1144569 A CA 1144569A
Authority
CA
Canada
Prior art keywords
accordance
basically reacting
alkali metal
foam
polyurethane
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
CA000310616A
Other languages
English (en)
Inventor
John L. Gerlock
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.)
Ford Motor Company of Canada Ltd
Original Assignee
Ford Motor Company of Canada Ltd
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 Ford Motor Company of Canada Ltd filed Critical Ford Motor Company of Canada Ltd
Priority to US05/958,909 priority Critical patent/US4182716A/en
Application granted granted Critical
Publication of CA1144569A publication Critical patent/CA1144569A/fr
Expired legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • 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)
CA000310616A 1977-10-20 1978-09-05 Hydrolyse de polyurethanes en phase gazeuse Expired CA1144569A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/958,909 US4182716A (en) 1978-09-05 1978-11-08 Method of making 5,6-dihydro-2-methyl-N-phenyl-1,4-oxathiin-3-carboxamide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84377777A 1977-10-20 1977-10-20
US843,777 1992-02-19

Publications (1)

Publication Number Publication Date
CA1144569A true CA1144569A (fr) 1983-04-12

Family

ID=25290985

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000310616A Expired CA1144569A (fr) 1977-10-20 1978-09-05 Hydrolyse de polyurethanes en phase gazeuse

Country Status (2)

Country Link
JP (1) JPS5470377A (fr)
CA (1) CA1144569A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4511680A (en) * 1982-09-01 1985-04-16 Bayer Aktiengesellschaft Process for the continuous high temperature glycolytic cleavage of polyurethane plastics waste in screw machines
US6489373B2 (en) 1998-10-02 2002-12-03 Mitsui Takeda Chemicals Inc. Method for decomposition and recovery of polyurethane resin

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5476624A (en) * 1991-07-05 1995-12-19 Kabushiki Kaisha Toyota Chuo Kenkyusho Process for reclaiming waste plastics having a paint film
CA2279541A1 (fr) * 1997-02-05 1998-08-13 Kabushiki Kaisha Kobe Seiko Sho Appareil et procede de decomposition et de recuperation de compose isocyanate
JP4574278B2 (ja) * 2004-08-09 2010-11-04 株式会社イノアックコーポレーション 軟質ポリウレタンフォームの製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4511680A (en) * 1982-09-01 1985-04-16 Bayer Aktiengesellschaft Process for the continuous high temperature glycolytic cleavage of polyurethane plastics waste in screw machines
US6489373B2 (en) 1998-10-02 2002-12-03 Mitsui Takeda Chemicals Inc. Method for decomposition and recovery of polyurethane resin

Also Published As

Publication number Publication date
JPS5470377A (en) 1979-06-06

Similar Documents

Publication Publication Date Title
US3215652A (en) Process for producing a rigid polyether-polyurethane foam
Nicholas et al. Heat resistant rigid foams by trimerization of isocyanate terminated prepolymers
EP0114970B1 (fr) Procédé pour la préparation de polyméthylène-polyphényl-polyisocyanates
SU795491A3 (ru) Способ получени пенополиизоцианура-TA
Simons et al. The polymerization of propylene oxide
CA1225999A (fr) Preparation en plusieurs etapes d'hexamethylene- diisocyanate-1,6 et (ou) de diisocyanates aliphatiques isomeres avec un radial alcoylene de six atomes de carbone
US4162995A (en) Method and composition for reclaiming polyurethane
US4247654A (en) Alkoxylated formose polyols and their use in polyurethane plastics
CA1144569A (fr) Hydrolyse de polyurethanes en phase gazeuse
US20230357530A1 (en) Depolymerization of polyurethanes under mild conditions
EP0629193A1 (fr) Preparation de trimeres d'osocyanate a l'aide de catalyseurs polymeres lies
EP0011662B1 (fr) Hydrolyse de polyuréthannes
US20230340223A1 (en) New depolymerization method for polyurethanes
WO1991014725A1 (fr) Procede de production de polyurethane
KR100463976B1 (ko) 이소시아네이트기및이소시아네이트기에대한반응성이차단된기의화합물
GB2272904A (en) Solvent based enzymatic synthesis
JPS6360021B2 (fr)
US5169878A (en) Composition and method of preparation of viscosity-stabilized polyisocyanates comprising triazine groups
US7705106B2 (en) Initial compounds for producing polyurethanes
CA2247657C (fr) Mousses hydrophiles polyester-polyurethane, procede de production et leur utilisation comme matieres absorbant l'humidite
RU2004534C1 (ru) Способ получени 2-бромперфторэтилгипофторита
Coutinho et al. Kinetic study of the reaction between a hydroxylated polybutadiene and isocyanates in chlorobenzene, III. Reaction with dimer diacid diisocyanate (DDI)
JPS62164709A (ja) ポリウレタンフオ−ムの製造方法
US3316286A (en) Polyisocyanate compositions and preparation thereof
JPS5923302B2 (ja) フルオロアルキル基含有脂環式ウレタン化合物の製造方法

Legal Events

Date Code Title Description
MKEX Expiry