IT1304179B1 - Procedimento per la preparazione di schiume poliuretanicheflessibili da blocco a bassa densita'. - Google Patents

Procedimento per la preparazione di schiume poliuretanicheflessibili da blocco a bassa densita'.

Info

Publication number
IT1304179B1
IT1304179B1 IT1998MI002716A ITMI982716A IT1304179B1 IT 1304179 B1 IT1304179 B1 IT 1304179B1 IT 1998MI002716 A IT1998MI002716 A IT 1998MI002716A IT MI982716 A ITMI982716 A IT MI982716A IT 1304179 B1 IT1304179 B1 IT 1304179B1
Authority
IT
Italy
Prior art keywords
procedure
preparation
low density
polyurethane foams
flexible polyurethane
Prior art date
Application number
IT1998MI002716A
Other languages
English (en)
Inventor
Sam Felix Okon
Dario Stefani
Ermanno Dino Benetti
Vittorio Tartari
Original Assignee
Enichem Spa
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 Enichem Spa filed Critical Enichem Spa
Priority to IT1998MI002716A priority Critical patent/IT1304179B1/it
Priority to EP99204307A priority patent/EP1010720A1/en
Publication of ITMI982716A1 publication Critical patent/ITMI982716A1/it
Application granted granted Critical
Publication of IT1304179B1 publication Critical patent/IT1304179B1/it

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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/149—Mixtures of blowing agents covered by more than one of the groups C08J9/141 - C08J9/143
    • 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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4833—Polyethers containing oxyethylene units
    • C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
    • 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
    • C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
    • C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/142—Compounds containing oxygen but no halogen atom
    • 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
    • C08G2110/0008—Foam properties flexible
    • 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
    • C08G2110/005—< 50kg/m3
    • 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)
IT1998MI002716A 1998-12-17 1998-12-17 Procedimento per la preparazione di schiume poliuretanicheflessibili da blocco a bassa densita'. IT1304179B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT1998MI002716A IT1304179B1 (it) 1998-12-17 1998-12-17 Procedimento per la preparazione di schiume poliuretanicheflessibili da blocco a bassa densita'.
EP99204307A EP1010720A1 (en) 1998-12-17 1999-12-14 Method for preparation of flexible low-density polyurethane foams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1998MI002716A IT1304179B1 (it) 1998-12-17 1998-12-17 Procedimento per la preparazione di schiume poliuretanicheflessibili da blocco a bassa densita'.

Publications (2)

Publication Number Publication Date
ITMI982716A1 ITMI982716A1 (it) 2000-06-17
IT1304179B1 true IT1304179B1 (it) 2001-03-08

Family

ID=11381258

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998MI002716A IT1304179B1 (it) 1998-12-17 1998-12-17 Procedimento per la preparazione di schiume poliuretanicheflessibili da blocco a bassa densita'.

Country Status (2)

Country Link
EP (1) EP1010720A1 (it)
IT (1) IT1304179B1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2899233B1 (fr) * 2006-03-31 2010-03-12 Arkema Composition d'agent d'expansion
CN109054355A (zh) * 2018-07-25 2018-12-21 嘉兴学院 一种阻燃型聚氨酯硬质泡沫及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4568702A (en) * 1985-04-15 1986-02-04 Atlantic Richfield Company Method for the preparation of semi-rigid polyurethane modified polyurea foam compositions
DE3819940A1 (de) * 1988-06-11 1989-12-14 Bayer Ag Verfahren zur herstellung von polyurethan-weichblockschaumstoffen
US5006569A (en) * 1989-08-16 1991-04-09 Pmc, Inc. Density reduction in flexible polyurethane foams
EP0742250B1 (de) * 1995-05-12 2003-10-29 Solvay Fluor und Derivate GmbH Verfahren zur Herstellung von Polyurethan-Weichschaumstoffen

Also Published As

Publication number Publication date
ITMI982716A1 (it) 2000-06-17
EP1010720A1 (en) 2000-06-21

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