BE814488A - Polyformals a faible teneur en groupes methylol terminaux - Google Patents

Polyformals a faible teneur en groupes methylol terminaux

Info

Publication number
BE814488A
BE814488A BE143870A BE143870A BE814488A BE 814488 A BE814488 A BE 814488A BE 143870 A BE143870 A BE 143870A BE 143870 A BE143870 A BE 143870A BE 814488 A BE814488 A BE 814488A
Authority
BE
Belgium
Prior art keywords
polyformals
low
methylol groups
terminal methylol
terminal
Prior art date
Application number
BE143870A
Other languages
English (en)
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 filed Critical
Publication of BE814488A publication Critical patent/BE814488A/fr

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)
BE143870A 1973-05-02 1974-05-02 Polyformals a faible teneur en groupes methylol terminaux BE814488A (fr)

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
BE814488A true BE814488A (fr) 1974-11-04

Family

ID=23401928

Family Applications (1)

Application Number Title Priority Date Filing Date
BE143870A BE814488A (fr) 1973-05-02 1974-05-02 Polyformals a faible teneur en groupes methylol terminaux

Country Status (10)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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 (fr) * 2011-02-09 2012-08-16 Bayer Materialscience Ag Prépolymères biodégradables
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
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
US20130079485A1 (en) * 2011-09-22 2013-03-28 Prc-Desoto International, Inc. Sulfur-containing polyureas and methods of use
JP6635953B2 (ja) 2014-06-30 2020-01-29 ピーアールシー−デソト インターナショナル，インコーポレイティド ポリ尿素組成物および使用方法

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 (fr) * 1965-03-24 1966-09-26
US3557058A (en) * 1967-04-19 1971-01-19 Montedison Spa Process for obtaining polyoxymethylenes having controlled molecular weight and products obtained therefrom
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
FR2228085A1 (fr) 1974-11-29
DE2419803A1 (de) 1974-11-21
AR201042A1 (es) 1975-02-06
BR7403511D0 (pt) 1974-12-03
GB1428874A (en) 1976-03-17
JPS5014799A (fr) 1975-02-17
US3959227A (en) 1976-05-25
IT1011331B (it) 1977-01-20
NL7405593A (fr) 1974-11-05
AU6790574A (en) 1975-10-16

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