ES492994A0 - Procedimiento y aparato para la fabricacion de articulos de espuma de poliuretano flexible - Google Patents

Procedimiento y aparato para la fabricacion de articulos de espuma de poliuretano flexible

Info

Publication number
ES492994A0
ES492994A0 ES492994A ES492994A ES492994A0 ES 492994 A0 ES492994 A0 ES 492994A0 ES 492994 A ES492994 A ES 492994A ES 492994 A ES492994 A ES 492994A ES 492994 A0 ES492994 A0 ES 492994A0
Authority
ES
Spain
Prior art keywords
procedure
manufacture
polyurethane foam
flexible polyurethane
foam items
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.)
Granted
Application number
ES492994A
Other languages
English (en)
Other versions
ES8101990A1 (es
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10506248&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES492994(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of ES8101990A1 publication Critical patent/ES8101990A1/es
Publication of ES492994A0 publication Critical patent/ES492994A0/es
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/3403Foaming under special conditions, e.g. in sub-atmospheric pressure, in or on a liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/10Moulds or cores; Details thereof or accessories therefor with incorporated venting means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/006Degassing moulding material or draining off gas during moulding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material

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)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
ES492994A 1979-07-02 1980-07-01 Procedimiento y aparato para la fabricacion de articulos de espuma de poliuretano flexible Granted ES492994A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7922988 1979-07-02

Publications (2)

Publication Number Publication Date
ES8101990A1 ES8101990A1 (es) 1980-12-16
ES492994A0 true ES492994A0 (es) 1980-12-16

Family

ID=10506248

Family Applications (1)

Application Number Title Priority Date Filing Date
ES492994A Granted ES492994A0 (es) 1979-07-02 1980-07-01 Procedimiento y aparato para la fabricacion de articulos de espuma de poliuretano flexible

Country Status (3)

Country Link
EP (1) EP0023749B1 (es)
DE (1) DE3064017D1 (es)
ES (1) ES492994A0 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982000297A1 (en) * 1980-07-15 1982-02-04 J Blackwell Production of synthetic plastics foam material
GB8314010D0 (en) * 1983-05-20 1983-06-29 Unifoam Ag Polymeric foam
CA1290895C (en) * 1986-12-25 1991-10-15 Sadao Kumasaka Method and an apparatus for producing polyurethane foam
BE1004588A3 (nl) * 1990-09-14 1992-12-15 Recticel Werkwijze voor het vervaardigen van soepel polyurethaanschuim.
US5182313A (en) * 1992-01-09 1993-01-26 Scott Carson Method and apparatus for forming articles made of polyurethane
US5456586A (en) 1993-07-07 1995-10-10 Carson; Scott Apparatus for manufacturing articles made of polyurethane
DE19701728C2 (de) 1997-01-20 1998-12-10 Hennecke Gmbh Verfahren und Vorrichtung zur Herstellung geschäumter Polyurethan-Formkörper
DE10258546B4 (de) * 2002-12-14 2005-03-10 Stankiewicz Gmbh Verfahren und Vorrichtung zur Herstellung geschäumter Polyurethan-Formkörper
DE102004028803A1 (de) * 2004-06-15 2006-01-12 Stankiewicz Gmbh Verfahren und Vorrichtung zur Herstellung hinterschäumter luftdurchlässiger textiler Produkte
CN110171093B (zh) * 2019-06-20 2021-04-16 滁州益佳模具设备制造有限公司 一种均匀上料混合注射的生产用发泡注塑模具

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2613719B2 (de) * 1976-03-31 1980-09-11 Krauss-Maffei Ag, 8000 Muenchen Vorrichtung zum Herstellen von Formkörpern aus einem Gemisch von Kunststoffkomponenten
DE2647482A1 (de) * 1976-10-21 1978-04-27 Bayer Ag Verfahren zur herstellung von kalthaertenden, urethangruppen aufweisenden schaumstoffen

Also Published As

Publication number Publication date
ES8101990A1 (es) 1980-12-16
EP0023749A1 (en) 1981-02-11
EP0023749B1 (en) 1983-07-06
DE3064017D1 (en) 1983-08-11

Similar Documents

Publication Publication Date Title
ES513443A0 (es) "procedimiento para la obtencion de un articulo de espuma flexible de poliuretano".
ES505834A0 (es) Procedimiento para producir espuma de poliester poliuretano flexible
BR7705798A (pt) Processo para a preparacao de polieterpoliois e processo de preparacao de espumas de poliuretanas
ES502624A0 (es) Procedimiento para la produccion de espuma de poliuretano dealta elasticidad
IT1058454B (it) Tprcedimento per la produzione di schiume poliuretaniche soffici ed extra supersoffici
ES495144A0 (es) Perfeccionamientos en un procedimiento para la fabricacion de espumas de poliuretano flexibles y elasticas
ES495143A0 (es) Mejoras en un procedimiento para la fabricacion de espuma depoliuretano flexible y elastica
ES528011A0 (es) Procedimiento para preparar espuma flexible de poliuretano
IT7852177A0 (it) Espanso poliuretanico difficilmente infiammabile e procedimento per produrlo
ES495011A0 (es) Procedimiento para la obtencion de materiales espumados de poliuretano
ES492994A0 (es) Procedimiento y aparato para la fabricacion de articulos de espuma de poliuretano flexible
GB2059977B (en) Rigid polyurethane foam
JPS5693726A (en) Polyurethane foam with skin layer
ES500743A0 (es) Procedimiento para producir espuma de poliuretano de alta elasticidad
IT7851759A0 (it) Polieteri-polioli utili per la produzione di espansi poliuretanici eprocedimento di preparazione relativo
GB1554291A (en) Process for the manufacture of highly elastic polyurethane foams
MX145634A (es) Procedimiento para la obtencion de espumas mejoradas de uretano
AR224232A1 (es) Procedimiento centrifugo para la produccion de espuma de poliuretano
GB2051837B (en) Rigid isocyananurate polyurethane foams
AR220050A1 (es) Procedimiento para la obtencion de piezas moldeadas de poliuretano
BR9007018A (pt) Processo para preparacao de espuma de poliuretano flexivel
DE3063426D1 (en) Apparatus for the continuous manufacture of foam board
ES494830A0 (es) Procedimiento para la obtencion de materiales espumados
IT1132527B (it) Procedimento e dispositivo per la produzione continua di poliuretani
MX151491A (es) Procedimiento mejorado para la preparacion continua de espuma de poliuretano y aparato para el mismo