ES314770A1 - Un procedimiento mejorado para preparar una solucion de un copolimero de poliuretano segmentado capaz de formar fibras elastomericas. - Google Patents

Un procedimiento mejorado para preparar una solucion de un copolimero de poliuretano segmentado capaz de formar fibras elastomericas.

Info

Publication number
ES314770A1
ES314770A1 ES0314770A ES314770A ES314770A1 ES 314770 A1 ES314770 A1 ES 314770A1 ES 0314770 A ES0314770 A ES 0314770A ES 314770 A ES314770 A ES 314770A ES 314770 A1 ES314770 A1 ES 314770A1
Authority
ES
Spain
Prior art keywords
copolymer
polymer
forming
urea
solution
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
ES0314770A
Other languages
English (en)
Spanish (es)
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak 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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of ES314770A1 publication Critical patent/ES314770A1/es
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
    • C08G18/28—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
    • C08G18/487—Polyethers containing cyclic groups
    • C08G18/4875—Polyethers containing cyclic groups containing cycloaliphatic 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
    • C08G18/08—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
    • C08G18/4825—Polyethers containing two hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
ES0314770A 1964-06-29 1965-06-30 Un procedimiento mejorado para preparar una solucion de un copolimero de poliuretano segmentado capaz de formar fibras elastomericas. Expired ES314770A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37895164A 1964-06-29 1964-06-29

Publications (1)

Publication Number Publication Date
ES314770A1 true ES314770A1 (es) 1965-10-01

Family

ID=23495212

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0314770A Expired ES314770A1 (es) 1964-06-29 1965-06-30 Un procedimiento mejorado para preparar una solucion de un copolimero de poliuretano segmentado capaz de formar fibras elastomericas.

Country Status (6)

Country Link
BE (1) BE666000A (fr)
CH (1) CH458730A (fr)
DE (1) DE1570513A1 (fr)
ES (1) ES314770A1 (fr)
GB (1) GB1118735A (fr)
NL (1) NL6508296A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8624645D0 (en) * 1986-10-14 1986-11-19 Smith & Nephew Ass Bandages
US6503996B1 (en) 2001-11-14 2003-01-07 Dupont Dow Elastomers L.L.C. High-uniformity spandex and process for making spandex

Also Published As

Publication number Publication date
BE666000A (fr) 1965-10-18
GB1118735A (en) 1968-07-03
DE1570513A1 (de) 1969-07-31
CH458730A (fr) 1968-06-30
NL6508296A (fr) 1965-12-30

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