IT1047593B - Processo per produrre espansi rigidi e relativi prodotti - Google Patents

Processo per produrre espansi rigidi e relativi prodotti

Info

Publication number
IT1047593B
IT1047593B IT51526/75A IT5152675A IT1047593B IT 1047593 B IT1047593 B IT 1047593B IT 51526/75 A IT51526/75 A IT 51526/75A IT 5152675 A IT5152675 A IT 5152675A IT 1047593 B IT1047593 B IT 1047593B
Authority
IT
Italy
Prior art keywords
related products
rigid foams
producing rigid
producing
foams
Prior art date
Application number
IT51526/75A
Other languages
English (en)
Original Assignee
Basf Wyandotte 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 Basf Wyandotte Corp filed Critical Basf Wyandotte Corp
Application granted granted Critical
Publication of IT1047593B publication Critical patent/IT1047593B/it

Links

Classifications

    • 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
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/02—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
    • C08G18/025—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only the polymeric products containing carbodiimide groups
    • 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
    • C08G18/08—Processes
    • C08G18/089—Reaction retarding agents
    • 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
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • 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
    • C08G18/50—Polyethers having heteroatoms other than oxygen
    • C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
    • C08G18/5033—Polyethers having heteroatoms other than oxygen having nitrogen containing carbocyclic groups
    • 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
    • C08G2110/0025—Foam properties rigid
    • 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
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2115/00—Oligomerisation
    • C08G2115/06—Oligomerisation to carbodiimide or uretone-imine groups
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/901—Cellular polymer containing a carbodiimide structure
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/902—Cellular polymer containing an isocyanurate structure

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)
IT51526/75A 1974-10-02 1975-09-26 Processo per produrre espansi rigidi e relativi prodotti IT1047593B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/511,112 US3969288A (en) 1974-10-02 1974-10-02 Carbodiimide-isocyanurate foams prepared from acid-modified toluene diisocyanate

Publications (1)

Publication Number Publication Date
IT1047593B true IT1047593B (it) 1980-10-20

Family

ID=24033495

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51526/75A IT1047593B (it) 1974-10-02 1975-09-26 Processo per produrre espansi rigidi e relativi prodotti

Country Status (11)

Country Link
US (1) US3969288A (it)
JP (1) JPS5176394A (it)
AU (1) AU496805B2 (it)
BE (1) BE833849A (it)
CA (1) CA1066843A (it)
DE (1) DE2543704A1 (it)
FR (1) FR2286840A1 (it)
GB (1) GB1516371A (it)
IT (1) IT1047593B (it)
NL (1) NL7511412A (it)
ZA (1) ZA755717B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA987042A (en) * 1971-10-05 1976-04-06 General Tire And Rubber Company (The) Method for making urethane-terminated polycarbodiimides and products thereof
US4051082A (en) * 1976-02-02 1977-09-27 Basf Wyandotte Corporation Carbodiimide-isocyanurate foams modified with ethoxylated polyols
US4066580A (en) * 1976-06-07 1978-01-03 Basf Wyandotte Corporation Process for the manufacture of polyisocyanurate foams
US4166164A (en) * 1977-12-05 1979-08-28 Basf Wyandotte Corporation Process for the preparation of carbodiimide-isocyanurate foams
US5006382A (en) * 1981-08-20 1991-04-09 E. I. Du Pont De Nemours And Company Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole
US4820863A (en) * 1986-03-31 1989-04-11 Union Carbide Corporation Surface active polycarbodiimides
US5726240A (en) * 1996-11-25 1998-03-10 Bayer Corporation Reactivity stabilization of polymethylene poly(phenylisocyanates)
US5783652A (en) * 1997-11-04 1998-07-21 Bayer Corporation Reactivity improvement of urethane prepolymers of allophanate-modified diphenylmethane diisocyanates
US20040039146A1 (en) * 1998-03-16 2004-02-26 Trent Shidaker Moisture resistant polyurethane prepolymers
DE19838168A1 (de) * 1998-08-21 2000-02-24 Basf Ag Mischung enthaltend Isocyanate sowie organische und/oder anorganische Säuren und/oder Säurederivate

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3637542A (en) * 1969-11-03 1972-01-25 Ppg Industries Inc Urethane foams with reduced smoke levels
US3793362A (en) * 1971-10-18 1974-02-19 Upjohn Co Reduction of acidic impurities in polymethylene polyphenylisocyanates
US3801518A (en) * 1972-02-28 1974-04-02 Du Pont Flexible polyurethane foam having improved compression set
US3759916A (en) * 1972-03-27 1973-09-18 Olin Corp Process for trimerizing polyisocyanates with pyrazine catalysts
US3781235A (en) * 1972-10-31 1973-12-25 Gen Electric Method for making rigid foam and compositions using such method

Also Published As

Publication number Publication date
CA1066843A (en) 1979-11-20
JPS5176394A (it) 1976-07-01
AU8469075A (en) 1977-03-17
DE2543704A1 (de) 1976-04-08
AU496805B2 (en) 1978-11-02
BE833849A (fr) 1976-03-26
FR2286840A1 (fr) 1976-04-30
NL7511412A (nl) 1976-04-06
GB1516371A (en) 1978-07-05
ZA755717B (en) 1976-08-25
US3969288A (en) 1976-07-13

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