FR2158300A1 - Polyurethane ureas - prepn by suspension polymn of pre-polymers,giving stable,free-flowing polymer powders - Google Patents

Polyurethane ureas - prepn by suspension polymn of pre-polymers,giving stable,free-flowing polymer powders

Info

Publication number
FR2158300A1
FR2158300A1 FR7238069A FR7238069A FR2158300A1 FR 2158300 A1 FR2158300 A1 FR 2158300A1 FR 7238069 A FR7238069 A FR 7238069A FR 7238069 A FR7238069 A FR 7238069A FR 2158300 A1 FR2158300 A1 FR 2158300A1
Authority
FR
France
Prior art keywords
free
prepn
polymers
stable
polymer powders
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.)
Granted
Application number
FR7238069A
Other languages
English (en)
Other versions
FR2158300B3 (fr
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.)
Wyeth Holdings LLC
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
Publication of FR2158300A1 publication Critical patent/FR2158300A1/fr
Application granted granted Critical
Publication of FR2158300B3 publication Critical patent/FR2158300B3/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • 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
    • C08G18/0838—Manufacture of polymers in the presence of non-reactive compounds
    • C08G18/0842—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents
    • C08G18/0861—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers
    • C08G18/0866—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers the dispersing or dispersed phase being an aqueous medium
    • 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
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Paints Or Removers (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
FR7238069A 1971-10-26 1972-10-26 Polyurethane ureas - prepn by suspension polymn of pre-polymers,giving stable,free-flowing polymer powders Granted FR2158300A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19230371A 1971-10-26 1971-10-26

Publications (2)

Publication Number Publication Date
FR2158300A1 true FR2158300A1 (en) 1973-06-15
FR2158300B3 FR2158300B3 (fr) 1975-11-28

Family

ID=22709117

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7238069A Granted FR2158300A1 (en) 1971-10-26 1972-10-26 Polyurethane ureas - prepn by suspension polymn of pre-polymers,giving stable,free-flowing polymer powders

Country Status (5)

Country Link
JP (1) JPS4851949A (fr)
DE (1) DE2252610A1 (fr)
FR (1) FR2158300A1 (fr)
IT (1) IT966227B (fr)
NL (1) NL7214334A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1125978A1 (fr) * 2000-02-18 2001-08-22 Peter Somerville Roberts Un produit en latex et sa méthode de préparation

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0397712A (ja) * 1989-09-08 1991-04-23 Dai Ichi Kogyo Seiyaku Co Ltd 真球状高分子粉粒体の製造方法
JPH0776270B2 (ja) * 1992-02-17 1995-08-16 第一工業製薬株式会社 高分子微粒子の製造方法
JP7326948B2 (ja) * 2018-07-19 2023-08-16 東ソー株式会社 ポリウレア樹脂製造用硬化剤組成物、及びそれを用いたポリウレア樹脂の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1125978A1 (fr) * 2000-02-18 2001-08-22 Peter Somerville Roberts Un produit en latex et sa méthode de préparation

Also Published As

Publication number Publication date
NL7214334A (fr) 1973-05-01
FR2158300B3 (fr) 1975-11-28
IT966227B (it) 1974-02-11
DE2252610A1 (de) 1973-05-10
JPS4851949A (fr) 1973-07-21

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