BE824875A - Procede de preparation de poudres de polyurethannes - Google Patents

Procede de preparation de poudres de polyurethannes

Info

Publication number
BE824875A
BE824875A BE152790A BE152790A BE824875A BE 824875 A BE824875 A BE 824875A BE 152790 A BE152790 A BE 152790A BE 152790 A BE152790 A BE 152790A BE 824875 A BE824875 A BE 824875A
Authority
BE
Belgium
Prior art keywords
polyurethan
powders
preparing
preparing polyurethan
polyurethan powders
Prior art date
Application number
BE152790A
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 BE824875A publication Critical patent/BE824875A/fr

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B01J13/14—Polymerisation; cross-linking
    • B01J13/16—Interfacial polymerisation
    • 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
    • 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
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3225—Polyamines
    • C08G18/3228—Polyamines acyclic
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
BE152790A 1974-01-31 1975-01-28 Procede de preparation de poudres de polyurethannes BE824875A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742404538 DE2404538C2 (de) 1974-01-31 1974-01-31 Herstellung von Polyharnstoffpulver

Publications (1)

Publication Number Publication Date
BE824875A true BE824875A (fr) 1975-07-28

Family

ID=5906170

Family Applications (1)

Application Number Title Priority Date Filing Date
BE152790A BE824875A (fr) 1974-01-31 1975-01-28 Procede de preparation de poudres de polyurethannes

Country Status (9)

Country Link
JP (1) JPS50109292A (fr)
BE (1) BE824875A (fr)
DE (1) DE2404538C2 (fr)
DK (1) DK32875A (fr)
FR (1) FR2259857B1 (fr)
GB (1) GB1462562A (fr)
IT (1) IT1029382B (fr)
LU (1) LU71750A1 (fr)
NL (1) NL7501047A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2757017C3 (de) * 1977-12-21 1986-07-31 Hoechst Ag, 6230 Frankfurt Verfahren zum Herstellen von druckbeständigen Polyurethan-Polyharnstoff-Kapseln mit strukturierter Innenmasse
DE3333654A1 (de) * 1983-09-17 1985-03-28 Cassella Ag, 6000 Frankfurt Verkapselte, in wasser schwerloesliche salze, ihre herstellung und ihre verwendung
EP1609525A1 (fr) * 2004-06-14 2005-12-28 Tema Technopolymers S.r.l. Installation pour la fabrication de produits en polyurethanne

Also Published As

Publication number Publication date
GB1462562A (en) 1977-01-26
JPS50109292A (fr) 1975-08-28
DK32875A (fr) 1975-09-29
FR2259857B1 (fr) 1978-04-21
DE2404538A1 (de) 1975-08-07
LU71750A1 (fr) 1975-12-09
FR2259857A1 (fr) 1975-08-29
DE2404538C2 (de) 1982-04-29
NL7501047A (nl) 1975-08-04
IT1029382B (it) 1979-03-10

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