FR2271026A1 - Polyurethane foams with solid skin - from polyether polyol, second active H compound polyisocyanate, two catalysts and blowing agent - Google Patents

Polyurethane foams with solid skin - from polyether polyol, second active H compound polyisocyanate, two catalysts and blowing agent

Info

Publication number
FR2271026A1
FR2271026A1 FR7400109A FR7400109A FR2271026A1 FR 2271026 A1 FR2271026 A1 FR 2271026A1 FR 7400109 A FR7400109 A FR 7400109A FR 7400109 A FR7400109 A FR 7400109A FR 2271026 A1 FR2271026 A1 FR 2271026A1
Authority
FR
France
Prior art keywords
groups
temp
reaction
foams
active
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
FR7400109A
Other languages
English (en)
French (fr)
Other versions
FR2271026B1 (nl
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.)
Inter Polymer Research Corp
Original Assignee
Inter Polymer Research Corp
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 Inter Polymer Research Corp filed Critical Inter Polymer Research Corp
Publication of FR2271026A1 publication Critical patent/FR2271026A1/fr
Application granted granted Critical
Publication of FR2271026B1 publication Critical patent/FR2271026B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/34—Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0407—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by regulating the temperature of the mould or parts thereof, e.g. cold mould walls inhibiting foaming of an outer layer
    • 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
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • 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
    • B29K2105/043—Skinned foam
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0033—Foam properties having integral skins
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • 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
    • C08G2120/00—Compositions for reaction injection moulding processes
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
FR7400109A 1974-01-02 1974-01-03 Polyurethane foams with solid skin - from polyether polyol, second active H compound polyisocyanate, two catalysts and blowing agent Granted FR2271026A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH574A CH583265A5 (nl) 1974-01-02 1974-01-02

Publications (2)

Publication Number Publication Date
FR2271026A1 true FR2271026A1 (en) 1975-12-12
FR2271026B1 FR2271026B1 (nl) 1976-11-26

Family

ID=4177250

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7400109A Granted FR2271026A1 (en) 1974-01-02 1974-01-03 Polyurethane foams with solid skin - from polyether polyol, second active H compound polyisocyanate, two catalysts and blowing agent

Country Status (4)

Country Link
AT (1) AT332654B (nl)
CH (1) CH583265A5 (nl)
DE (1) DE2400254A1 (nl)
FR (1) FR2271026A1 (nl)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2381795A1 (fr) * 1977-02-24 1978-09-22 Bayer Ag Procede de preparation de mousses de polyisocyanurates faconnables a la chaleur, et produits ainsi obtenus
FR2491932A1 (fr) * 1980-10-14 1982-04-16 Texaco Development Corp Polyurethane moule par reaction et son procede de preparation
CZ306090B6 (cs) * 2009-12-14 2016-08-03 ÄŚeskĂ© vysokĂ© uÄŤenĂ­ technickĂ© v Praze Fakulta strojnĂ­ Způsob výroby přesných pěnových jader v uzavřených formách se zvýšenou tepelnou odolností a velmi malou hustotou

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3407931A1 (de) * 1984-03-03 1985-09-05 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von formkoerpern auf basis von harnstoffgruppen aufweisenden polyurethanen
DE3636604A1 (de) * 1986-10-28 1988-05-05 Bayer Ag Verfahren zur herstellung von polyurethanformkoerpern

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2381795A1 (fr) * 1977-02-24 1978-09-22 Bayer Ag Procede de preparation de mousses de polyisocyanurates faconnables a la chaleur, et produits ainsi obtenus
FR2491932A1 (fr) * 1980-10-14 1982-04-16 Texaco Development Corp Polyurethane moule par reaction et son procede de preparation
CZ306090B6 (cs) * 2009-12-14 2016-08-03 ÄŚeskĂ© vysokĂ© uÄŤenĂ­ technickĂ© v Praze Fakulta strojnĂ­ Způsob výroby přesných pěnových jader v uzavřených formách se zvýšenou tepelnou odolností a velmi malou hustotou

Also Published As

Publication number Publication date
DE2400254A1 (de) 1975-07-17
CH583265A5 (nl) 1976-12-31
FR2271026B1 (nl) 1976-11-26
AT332654B (de) 1976-10-11
ATA8774A (de) 1976-01-15

Similar Documents

Publication Publication Date Title
NZ232938A (en) Preparation of soft flexible polyurethane foams using water containing non-crosslinked, water soluble organic polyelectrolyte
ATE160365T1 (de) Verfahren zur herstellung von polyurethanweichschäumen
FR2182199A1 (en) Low density polyurethane foams
CA2089318A1 (en) Preparation of flexible, molded, cold-cure polyurethane foams
GB1142597A (en) Polyurethane foams
ES2000915A6 (es) Procedimiento para preparar una espuma rigida de pliuretano
DE59506229D1 (de) Unter Druck stehende, Treibmittel enthaltende Isocyanat-Semiprepolymermischungen auf Basis von Lignin-polyether-polyolen, ihre Verwendung zur Herstellung von Polyurethan-Schaumstoffen und ein Verfahren hierfür
ATE97927T1 (de) Verfahren zur herstellung von polyurethanweichschaumstoffen mit niedriger dichte.
DE3771632D1 (de) Verfahren zur herstellung von elastischen, offenzelligen polyurethan-weichschaumstoffen mit erhoehter stauchhaerte.
GB1240708A (en) Polyurethane foams
FR2271026A1 (en) Polyurethane foams with solid skin - from polyether polyol, second active H compound polyisocyanate, two catalysts and blowing agent
MY131677A (en) Rigid polyurethane foams.
JPS5698222A (en) Preparation of polyurethane foam having self-skin layer
GB997392A (en) Diazabicyclooctane-alkylene oxide catalysts
ES417023A1 (es) Un metodo mejorado de preparacion de una espuma de poliure-tano flexible soplado en agua.
ES436670A1 (es) Perfeccionamientos en la fabricacion de espumas flexibles depoliuretano.
DE59609631D1 (de) Verfahren zur Herstellung von hochelastischen Polyurethanschaumstoffen
FR2268036A1 (en) Polyurethane soft foams - obtd. from particular polyether polyols, polyisocyantes and crosslinking agents
GB1029961A (en) Improvements relating to cellular materials
FR2172860A2 (en) Polyurethane foam - having improved hydrophilicity and strong absorption
FR2269550A1 (en) Cold, one-shot prepn. of polyurethane foams - using unmodified diisocyanate and specific polyether polyols
JPS57198722A (en) Production of spray-type flexible polyurethane foam of high elasticity
BE779607A (en) Flexible polyurethane foam catalyst - contg tin octoate hydroxypropylimidazole and triethylene diamine diformate
ES276427A1 (es) Método de preparación de espuma de poliuretano
GB1088023A (en) Method for the production of shaped foamed compositions

Legal Events

Date Code Title Description
ST Notification of lapse