GB1235733A - Improvements in and relating to aromatic polyisocyanates - Google Patents

Improvements in and relating to aromatic polyisocyanates

Info

Publication number
GB1235733A
GB1235733A GB49629/68A GB4962968A GB1235733A GB 1235733 A GB1235733 A GB 1235733A GB 49629/68 A GB49629/68 A GB 49629/68A GB 4962968 A GB4962968 A GB 4962968A GB 1235733 A GB1235733 A GB 1235733A
Authority
GB
United Kingdom
Prior art keywords
aromatic
polyisocyanate
isocyanate
oct
molecular weight
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.)
Expired
Application number
GB49629/68A
Other languages
English (en)
Inventor
Fred D Shaw Jr
Leo Ojakaar
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB1235733A publication Critical patent/GB1235733A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/77Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78Nitrogen
    • C08G18/79Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/791Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups
    • C08G18/794Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups formed by oligomerisation of aromatic isocyanates or isothiocyanates
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/10Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/02Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
    • C08G18/022Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only the polymeric products containing isocyanurate groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7614Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
    • C08G18/7621Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0025Foam properties rigid
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0041Foam properties having specified density
    • C08G2110/005< 50kg/m3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)
GB49629/68A 1967-10-19 1968-10-18 Improvements in and relating to aromatic polyisocyanates Expired GB1235733A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US67662667A 1967-10-19 1967-10-19
US67661767A 1967-10-19 1967-10-19

Publications (1)

Publication Number Publication Date
GB1235733A true GB1235733A (en) 1971-06-16

Family

ID=27101586

Family Applications (1)

Application Number Title Priority Date Filing Date
GB49629/68A Expired GB1235733A (en) 1967-10-19 1968-10-18 Improvements in and relating to aromatic polyisocyanates

Country Status (4)

Country Link
JP (1) JPS4924159B1 (enrdf_load_stackoverflow)
DE (1) DE1803723C3 (enrdf_load_stackoverflow)
FR (1) FR1589761A (enrdf_load_stackoverflow)
GB (1) GB1235733A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114015016A (zh) * 2021-11-19 2022-02-08 万华化学集团股份有限公司 一种tdi三聚体及其制备方法
CN114262302A (zh) * 2022-01-04 2022-04-01 山东新和成维生素有限公司 一种合成二异氰酸酯三聚体的方法、催化剂及其制备方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE792000A (fr) * 1971-11-29 1973-03-16 Du Pont Compositions de polyisocyanates utilisables pour la fabricationde matieres polymeres
WO2022181289A1 (ja) 2021-02-26 2022-09-01 富士フイルム株式会社 紫外線検査具、紫外線検査キット、紫外線検査方法
JPWO2022181288A1 (enrdf_load_stackoverflow) 2021-02-26 2022-09-01

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114015016A (zh) * 2021-11-19 2022-02-08 万华化学集团股份有限公司 一种tdi三聚体及其制备方法
CN114262302A (zh) * 2022-01-04 2022-04-01 山东新和成维生素有限公司 一种合成二异氰酸酯三聚体的方法、催化剂及其制备方法
CN114262302B (zh) * 2022-01-04 2023-09-29 山东新和成维生素有限公司 一种合成二异氰酸酯三聚体的方法、催化剂及其制备方法

Also Published As

Publication number Publication date
DE1803723C3 (de) 1979-04-19
DE1803723B2 (de) 1978-08-17
JPS4924159B1 (enrdf_load_stackoverflow) 1974-06-20
DE1803723A1 (de) 1969-06-26
FR1589761A (enrdf_load_stackoverflow) 1970-04-06

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