IT1011331B - Perfezionamento nei prepolimeri di poliformale e poliuretani prodotti dagli stessi - Google Patents

Perfezionamento nei prepolimeri di poliformale e poliuretani prodotti dagli stessi

Info

Publication number
IT1011331B
IT1011331B IT50721/74A IT5072174A IT1011331B IT 1011331 B IT1011331 B IT 1011331B IT 50721/74 A IT50721/74 A IT 50721/74A IT 5072174 A IT5072174 A IT 5072174A IT 1011331 B IT1011331 B IT 1011331B
Authority
IT
Italy
Prior art keywords
polyurethans
improvement
produced
same
polyformal prepolymers
Prior art date
Application number
IT50721/74A
Other languages
English (en)
Original Assignee
American Cyanamid 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 American Cyanamid Co filed Critical American Cyanamid Co
Application granted granted Critical
Publication of IT1011331B publication Critical patent/IT1011331B/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
    • C08G18/08—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
    • C08G18/56—Polyacetals

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)
IT50721/74A 1973-05-02 1974-04-30 Perfezionamento nei prepolimeri di poliformale e poliuretani prodotti dagli stessi IT1011331B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/356,553 US3959227A (en) 1973-05-02 1973-05-02 Polyformals having low methylol end-group content and polyurethanes produced therefrom

Publications (1)

Publication Number Publication Date
IT1011331B true IT1011331B (it) 1977-01-20

Family

ID=23401928

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50721/74A IT1011331B (it) 1973-05-02 1974-04-30 Perfezionamento nei prepolimeri di poliformale e poliuretani prodotti dagli stessi

Country Status (10)

Country Link
US (1) US3959227A (it)
JP (1) JPS5014799A (it)
AR (1) AR201042A1 (it)
BE (1) BE814488A (it)
BR (1) BR7403511D0 (it)
DE (1) DE2419803A1 (it)
FR (1) FR2228085A1 (it)
GB (1) GB1428874A (it)
IT (1) IT1011331B (it)
NL (1) NL7405593A (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4340719A (en) * 1980-08-25 1982-07-20 E. I. Du Pont De Nemours And Company Oligomeric formal diols of poly(tetramethylene ether) glycol and polyurethanes prepared therefrom
US4355119A (en) * 1980-08-25 1982-10-19 E. I. Dupont De Nemours And Company Oligomeric formal diols of poly(tetramethylene ether) glycol and polyurethanes prepared therefrom
US4383100A (en) * 1980-09-19 1983-05-10 E. I. Du Pont De Nemours And Company Polyurethanes from oligomeric formal diols of THF copolymer glycols
US5254744A (en) * 1992-02-28 1993-10-19 E. I. Du Pont De Nemours And Company Preparation and purification of poly(tetramethylene ether) formal glycols and poly(oxybutylene formal) glycols
WO2012107385A1 (de) * 2011-02-09 2012-08-16 Bayer Materialscience Ag Bioabbaubare prepolymere
US8507617B2 (en) * 2011-03-18 2013-08-13 Prc-Desoto International, Inc. Polyurea compositions and methods of use
US8541513B2 (en) * 2011-03-18 2013-09-24 Prc-Desoto International, Inc. Terminal-modified difunctional sulfur-containing polymers, compositions thereof and methods of use
US8729216B2 (en) 2011-03-18 2014-05-20 Prc Desoto International, Inc. Multifunctional sulfur-containing polymers, compositions thereof and methods of use
US9580635B2 (en) * 2011-03-18 2017-02-28 Prc-Desoto International, Inc. Polyurea compositions and methods of use
US20130079485A1 (en) * 2011-09-22 2013-03-28 Prc-Desoto International, Inc. Sulfur-containing polyureas and methods of use
ES2898093T3 (es) 2014-06-30 2022-03-03 Prc Desoto Int Inc Composiciones de poliurea y métodos de uso

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1229286B (de) * 1964-09-17 1966-11-24 Bayer Ag Verfahren zur Herstellung von hochmolekularen vernetzten Polyurethankunststoffen
NL6603890A (it) * 1965-03-24 1966-09-26
DE1770216A1 (de) * 1967-04-19 1971-10-14 Montedison Spa Verfahren zur Herstellung von Oxymethylenhomopolymerisaten und -mischpolymerisaten und diese
US3475383A (en) * 1967-06-22 1969-10-28 Goodrich Co B F Fuel resistant polyurethanes
DE1720509B1 (de) * 1967-10-19 1971-10-21 Degussa Verfahren zum thermischen stabilisieren von oxymethylencopolymemerisaten
US3575930A (en) * 1968-12-12 1971-04-20 Goodrich Co B F Polyoxymethylene glycol polymers

Also Published As

Publication number Publication date
BE814488A (fr) 1974-11-04
DE2419803A1 (de) 1974-11-21
FR2228085A1 (it) 1974-11-29
JPS5014799A (it) 1975-02-17
GB1428874A (en) 1976-03-17
AR201042A1 (es) 1975-02-06
US3959227A (en) 1976-05-25
BR7403511D0 (pt) 1974-12-03
AU6790574A (en) 1975-10-16
NL7405593A (it) 1974-11-05

Similar Documents

Publication Publication Date Title
IT1047720B (it) Perfezionamento nei pannolini
IT1016074B (it) Perfezionamento nei cateteri
IT1024359B (it) Perfezionamento nei cuscinetti abrasivi
IT979811B (it) Perfezionamento nei rubinetti
IT1056112B (it) Perfezionamento nei cateteri
IT1047074B (it) Perfezionamento nei cateteri ad aspirazione
IT1035887B (it) Perfezionamento nei complessi
IT1018719B (it) Perfezionamento nei compressori alternativi
IT997701B (it) Perfezionamento nei cateteri
IT1047082B (it) Perfezionamento nei cateteri
IT994733B (it) Perfezionamento nei tergicristallo
IT952152B (it) Perfezionamento nei trasportatori
IT990900B (it) Perfezionamento nei termistori
IT1004110B (it) Perfezionamento nei portamine per matite
IT1011331B (it) Perfezionamento nei prepolimeri di poliformale e poliuretani prodotti dagli stessi
IT1052285B (it) Perfezionamento nei compressori
IT980243B (it) Perfezionamento nei dispositivi stampatori
IT1002713B (it) Perfezionamento nei radiatori
IT1011166B (it) Perfezionamento nei dispositivi giroscopici
IT952243B (it) Perfezionamento nei complessi badenti per rasci
IT1042907B (it) Perfezionamenti nei rotori palettati
IT949698B (it) Perfezionamento nei trasportatori
IT1002761B (it) Perfezionamento nei dispositivi per ventilazione polmonar
IT958547B (it) Perfezionamento nei morsetti serrafili
IT961427B (it) Perfezionamento nei trasporatori