IT1029382B - Procedimento ed impianto per produrre poliuretano in polvere - Google Patents

Procedimento ed impianto per produrre poliuretano in polvere

Info

Publication number
IT1029382B
IT1029382B IT4789675A IT4789675A IT1029382B IT 1029382 B IT1029382 B IT 1029382B IT 4789675 A IT4789675 A IT 4789675A IT 4789675 A IT4789675 A IT 4789675A IT 1029382 B IT1029382 B IT 1029382B
Authority
IT
Italy
Prior art keywords
plant
producing polyurethane
polyurethane powder
powder
producing
Prior art date
Application number
IT4789675A
Other languages
English (en)
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Application granted granted Critical
Publication of IT1029382B publication Critical patent/IT1029382B/it

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)
IT4789675A 1974-01-31 1975-01-29 Procedimento ed impianto per produrre poliuretano in polvere IT1029382B (it)

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
IT1029382B true IT1029382B (it) 1979-03-10

Family

ID=5906170

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4789675A IT1029382B (it) 1974-01-31 1975-01-29 Procedimento ed impianto per produrre poliuretano in polvere

Country Status (9)

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

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 (en) * 2004-06-14 2005-12-28 Tema Technopolymers S.r.l. Plant for manufacturing polyurethane goods.

Also Published As

Publication number Publication date
GB1462562A (en) 1977-01-26
JPS50109292A (it) 1975-08-28
BE824875A (fr) 1975-07-28
DK32875A (it) 1975-09-29
FR2259857B1 (it) 1978-04-21
DE2404538A1 (de) 1975-08-07
LU71750A1 (it) 1975-12-09
FR2259857A1 (it) 1975-08-29
DE2404538C2 (de) 1982-04-29
NL7501047A (nl) 1975-08-04

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