GB2044252B - Process for preparing polymethylene polyphenyl polycarbamates - Google Patents

Process for preparing polymethylene polyphenyl polycarbamates

Info

Publication number
GB2044252B
GB2044252B GB7942809A GB7942809A GB2044252B GB 2044252 B GB2044252 B GB 2044252B GB 7942809 A GB7942809 A GB 7942809A GB 7942809 A GB7942809 A GB 7942809A GB 2044252 B GB2044252 B GB 2044252B
Authority
GB
United Kingdom
Prior art keywords
polymethylene polyphenyl
preparing polymethylene
polycarbamates
polyphenyl polycarbamates
preparing
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
GB7942809A
Other languages
English (en)
Other versions
GB2044252A (en
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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
Priority claimed from JP15372778A external-priority patent/JPS5581850A/ja
Priority claimed from JP15414378A external-priority patent/JPS5581851A/ja
Application filed by Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Publication of GB2044252A publication Critical patent/GB2044252A/en
Application granted granted Critical
Publication of GB2044252B publication Critical patent/GB2044252B/en
Expired legal-status Critical Current

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
    • C08G18/701—Compounds forming isocyanates or isothiocyanates in situ

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB7942809A 1978-12-14 1979-12-12 Process for preparing polymethylene polyphenyl polycarbamates Expired GB2044252B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15372778A JPS5581850A (en) 1978-12-14 1978-12-14 Preparation of polymethylene polyphenyl polycarbamate
JP15414378A JPS5581851A (en) 1978-12-15 1978-12-15 Preparation of polymethylene polyphenyl polycarbamate

Publications (2)

Publication Number Publication Date
GB2044252A GB2044252A (en) 1980-10-15
GB2044252B true GB2044252B (en) 1983-04-20

Family

ID=26482265

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7942809A Expired GB2044252B (en) 1978-12-14 1979-12-12 Process for preparing polymethylene polyphenyl polycarbamates

Country Status (6)

Country Link
CA (1) CA1120051A (xx)
DE (1) DE2950386C2 (xx)
FR (1) FR2444057B1 (xx)
GB (1) GB2044252B (xx)
IT (1) IT1126563B (xx)
NL (1) NL185077C (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5612357A (en) * 1979-07-09 1981-02-06 Mitsui Toatsu Chem Inc Production of polymethylenepolyphenylpolycarbamate
DE3013907A1 (de) * 1980-04-11 1981-10-22 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von methylen-bis-phenylcarbaminsaeureestern und polymethylen-polyphenylcarbamidsaeureestern
DE3370152D1 (en) * 1982-12-07 1987-04-16 Asahi Chemical Ind Process for producing diphenylmethane dicarbamates
JPS6267059A (ja) * 1985-09-18 1987-03-26 Nippon Kokan Kk <Nkk> ジフエニルメタンジカルバミン酸エステル類の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1042891B (de) * 1956-08-16 1958-11-06 Bayer Ag Verfahren zur Herstellung von stickstoffhaltigen Kondensationsprodukten

Also Published As

Publication number Publication date
IT1126563B (it) 1986-05-21
GB2044252A (en) 1980-10-15
FR2444057A1 (fr) 1980-07-11
CA1120051A (en) 1982-03-16
NL185077B (nl) 1989-08-16
NL185077C (nl) 1990-01-16
DE2950386A1 (de) 1980-07-03
DE2950386C2 (de) 1987-02-05
NL7908982A (nl) 1980-06-17
FR2444057B1 (fr) 1985-11-22
IT7927992A0 (it) 1979-12-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19951212