BE821808A - Procede de transformation par voie seche d'une mousse de polyurethane et produit ainsi obtenu - Google Patents

Procede de transformation par voie seche d'une mousse de polyurethane et produit ainsi obtenu

Info

Publication number
BE821808A
BE821808A BE150170A BE150170A BE821808A BE 821808 A BE821808 A BE 821808A BE 150170 A BE150170 A BE 150170A BE 150170 A BE150170 A BE 150170A BE 821808 A BE821808 A BE 821808A
Authority
BE
Belgium
Prior art keywords
product
polyurethane foam
dry transformation
transformation
dry
Prior art date
Application number
BE150170A
Other languages
English (en)
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 filed Critical
Publication of BE821808A publication Critical patent/BE821808A/fr

Links

Classifications

    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/12—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/26—Scrap or recycled material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
BE150170A 1973-11-05 1974-11-04 Procede de transformation par voie seche d'une mousse de polyurethane et produit ainsi obtenu BE821808A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41340473A 1973-11-05 1973-11-05

Publications (1)

Publication Number Publication Date
BE821808A true BE821808A (fr) 1975-03-03

Family

ID=23637091

Family Applications (1)

Application Number Title Priority Date Filing Date
BE150170A BE821808A (fr) 1973-11-05 1974-11-04 Procede de transformation par voie seche d'une mousse de polyurethane et produit ainsi obtenu

Country Status (2)

Country Link
BE (1) BE821808A (fr)
GB (1) GB1435479A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4019800A1 (de) * 1990-06-21 1992-01-02 Bayer Ag Verfahren zur herstellung von formkoerpern oder folien

Also Published As

Publication number Publication date
GB1435479A (en) 1976-05-12

Similar Documents

Publication Publication Date Title
FR2337153A1 (fr) Procede pour la preparation d'une mousse de polyurethane
BE880002A (fr) Procede de production d'une mousse de polyurethanne contenant une substance odorante et produit obtenu
BE753204A (fr) Procede de preparation d'un polymere cellulaire derive d'isocyanate et produit obtenu
BE798732A (fr) Procede de crepage pour la preparation d'un produit analogue a la viande
BE821121A (fr) Procede de preparation d'un produit alimentaire proteique.
BE818574A (fr) Procede de preparation d'un produit alimentaire
BE820522A (fr) Procede de preparation d'une mousse de polyurethanne et mousse obtenue
FR2285412A1 (fr) Procede de production d'une mousse rigide en polyurethanne
BE803301A (fr) Procede de preparation d'un polyelectrolyte et produit obtenu
BE821211A (fr) Procede de preparation d'un produit alimentaire proteique.
BE818325A (fr) Mousse de polyurethanne antistatique et procede de production
BE821922A (fr) Procede de thermoformage d'une mousse thermoplastique
FR2281069A1 (fr) Procede de preparation d'un produit alimentaire carne et produit obtenu
BE759479A (fr) Procede de fabrication d'argile expansee et produit ainsi obtenu
FR2306281A1 (fr) Procede pour la preparation d'un produit d'isolement
BE812284A (fr) Procede de production d'un produit simulant la viande
CH553149A (fr) Procede de preparation d'adamentylamines et utilisation du produit obtenu par ce procede.
BE836194A (fr) Produit alimentaire et procede pour la preparation
BE849560A (fr) Procede de preparation de trimethyl-3,5,5cyclohexene-2dione-1,4, et produit obtenu
BE821808A (fr) Procede de transformation par voie seche d'une mousse de polyurethane et produit ainsi obtenu
BE820762A (fr) Procede d'etirage d'un produit en forme de boudin
BE821855A (fr) Procede de transformation d'une mousse de polyurethane et produit ainsi obtenu
BE848635R (fr) Procede de production d'une matiere vegetale decafeinee et produit obtenu,
BE789670A (fr) Procede de preparation d'objets moules en mousse
BE827638A (fr) Produit d'enduction pigmente