IT1125749B - PROCESS FOR THE PRODUCTION OF LIQUID POLYISOCYANATES BY REACTING TOLYL N DIISOCYANATE WITH AN OXYPROPILATED TRIOL - Google Patents

PROCESS FOR THE PRODUCTION OF LIQUID POLYISOCYANATES BY REACTING TOLYL N DIISOCYANATE WITH AN OXYPROPILATED TRIOL

Info

Publication number
IT1125749B
IT1125749B IT23060/77A IT2306077A IT1125749B IT 1125749 B IT1125749 B IT 1125749B IT 23060/77 A IT23060/77 A IT 23060/77A IT 2306077 A IT2306077 A IT 2306077A IT 1125749 B IT1125749 B IT 1125749B
Authority
IT
Italy
Prior art keywords
oxypropilated
triol
tolyl
diisocyanate
reacting
Prior art date
Application number
IT23060/77A
Other languages
Italian (it)
Original Assignee
Ici 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
Application filed by Ici Ltd filed Critical Ici Ltd
Application granted granted Critical
Publication of IT1125749B publication Critical patent/IT1125749B/en

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
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
    • C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
    • C08G18/8022—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with polyols having at least three hydroxy groups
    • C08G18/8029—Masked aromatic polyisocyanates
    • 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
    • C08G18/4829—Polyethers containing at least three hydroxy 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/7806—Nitrogen containing -N-C=0 groups
    • C08G18/7818—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
    • C08G18/7837—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing allophanate groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polyurethanes Or Polyureas (AREA)
IT23060/77A 1976-05-21 1977-04-29 PROCESS FOR THE PRODUCTION OF LIQUID POLYISOCYANATES BY REACTING TOLYL N DIISOCYANATE WITH AN OXYPROPILATED TRIOL IT1125749B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21061/76A GB1520846A (en) 1976-05-21 1976-05-21 Isocyanates

Publications (1)

Publication Number Publication Date
IT1125749B true IT1125749B (en) 1986-05-14

Family

ID=10156545

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23060/77A IT1125749B (en) 1976-05-21 1977-04-29 PROCESS FOR THE PRODUCTION OF LIQUID POLYISOCYANATES BY REACTING TOLYL N DIISOCYANATE WITH AN OXYPROPILATED TRIOL

Country Status (7)

Country Link
BE (1) BE854695A (en)
DE (1) DE2718512A1 (en)
FR (1) FR2352011A1 (en)
GB (1) GB1520846A (en)
IT (1) IT1125749B (en)
NL (1) NL7704842A (en)
SE (1) SE7705806L (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2513642B1 (en) * 1981-09-25 1985-08-09 Ugine Kuhlmann MODIFIED CRUDE TOLUENE DIISOCYANATE FOR IMPROVED HIGH RESILIENCE POLYURETHANE FOAMS
US4906674A (en) * 1987-10-16 1990-03-06 Ici Americas Inc/Imperial Chemical Industries Plc Polysocyanate compositions
DE4328076A1 (en) * 1993-08-20 1995-02-23 Bayer Ag Process for the production of soft foams containing urethane groups
US5821275A (en) * 1997-11-10 1998-10-13 Bayer Corporation Flexible foams and flexible molded foams based on liquid isocyanate-terminated allophanate-modified MDI prepolymer blends and processes for the production of these foams
US5955609A (en) * 1997-12-31 1999-09-21 Bayer Corporation Trimer catalyst system for aliphatic and aromatic isocyanates
US6028158A (en) * 1997-12-31 2000-02-22 Bayer Corporation Freeze-stable allophanate-modified toluene diisocyanate trimers
US6271279B1 (en) 2000-07-10 2001-08-07 Bayer Corporation High resilient flexible urethane foam and flexible molded foams based on allophanate modified isocyanates
KR101954346B1 (en) * 2017-12-27 2019-03-05 에스케이씨 주식회사 Isocyanate composition with improved stability and reactivity, and optical lens using the same

Also Published As

Publication number Publication date
FR2352011A1 (en) 1977-12-16
NL7704842A (en) 1977-11-23
SE7705806L (en) 1977-11-22
DE2718512A1 (en) 1977-12-08
GB1520846A (en) 1978-08-09
BE854695A (en) 1977-11-16

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