ZA876775B - Process for improving the homogeneity of highly reactive polycondensates - Google Patents

Process for improving the homogeneity of highly reactive polycondensates

Info

Publication number
ZA876775B
ZA876775B ZA876775A ZA876775A ZA876775B ZA 876775 B ZA876775 B ZA 876775B ZA 876775 A ZA876775 A ZA 876775A ZA 876775 A ZA876775 A ZA 876775A ZA 876775 B ZA876775 B ZA 876775B
Authority
ZA
South Africa
Prior art keywords
polycondensates
homogeneity
highly reactive
improving
cooling
Prior art date
Application number
ZA876775A
Other languages
English (en)
Inventor
Franz-Robert Schloemer
Schloemer Franz-Robert
Karl-Erich Ott
Ott Karl-Erich
Wolfgang Volker
Volker Wolfgang
Bodo Mueller
Mueller Bodo
Hartwig Hupfer
Hupfer Hartwig
Original Assignee
Messer Griesheim Gmbh
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 Messer Griesheim Gmbh filed Critical Messer Griesheim Gmbh
Publication of ZA876775B publication Critical patent/ZA876775B/xx

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
    • C08G85/00—General processes for preparing compounds provided for in this subclass
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/22—Stationary reactors having moving elements inside in the form of endless belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/04—Conditioning or physical treatment of the material to be shaped by cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16—Cooling
    • B29C2035/1616—Cooling using liquids
    • B29C2035/1625—Cooling using liquids other than water
    • B29C2035/165—Cooling using liquids other than water liquified gases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
ZA876775A 1986-09-11 1987-09-10 Process for improving the homogeneity of highly reactive polycondensates ZA876775B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863630928 DE3630928A1 (de) 1986-09-11 1986-09-11 Verfahren zur verbesserung der homogenitaet hochreaktiver polykondensate

Publications (1)

Publication Number Publication Date
ZA876775B true ZA876775B (en) 1988-04-27

Family

ID=6309363

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA876775A ZA876775B (en) 1986-09-11 1987-09-10 Process for improving the homogeneity of highly reactive polycondensates

Country Status (6)

Country Link
US (1) US4788017A (fr)
EP (1) EP0259638B1 (fr)
JP (1) JPS6371314A (fr)
AT (1) ATE87641T1 (fr)
DE (1) DE3630928A1 (fr)
ZA (1) ZA876775B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BG45124A1 (fr) * 1987-07-23 1989-04-14 Nadka V Avramova
DE3840293A1 (de) * 1988-11-30 1990-05-31 Werner & Pfleiderer Verfahren zum entfernen von verunreinigungen aus polymeren kunststoffen und vorrichtung zur durchfuehrung des verfahrens
DE3922625A1 (de) * 1989-07-10 1991-01-17 Messer Griesheim Gmbh Verfahren zum vermeiden von geruchsbelaestigungen bei der herstellung von phenolharzen
US5267490A (en) * 1992-07-10 1993-12-07 Air Products And Chemicals, Inc. Sampling apparatus for cryogenic food freezers
ID17663A (id) * 1996-07-26 1998-01-15 Novartis Ag Pembuatan cetakan-cetakan
RU2133196C1 (ru) * 1998-03-11 1999-07-20 Уминский Анатолий Аркадьевич Способ утилизации отходов фторопластов и получения преимущественно тонкодисперсного порошка и устройство для его осуществления
US7017352B2 (en) * 2001-01-19 2006-03-28 Crane Plastics Company Llc Cooling of extruded and compression molded materials
US20120256412A1 (en) * 2011-04-08 2012-10-11 Seung Oh Joint member manufactured using pipe and manufacturing method of the same
CN104070655B (zh) * 2014-06-05 2017-01-04 孟军红 非螺杆挤出塑料制品的生产装置及方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3038205A (en) * 1957-10-01 1962-06-12 Walter A Plummer Plastic tubing
GB875140A (en) * 1959-05-16 1961-08-16 Shell Int Research A process and apparatus for fragmenting resinous material
US3174295A (en) * 1961-09-05 1965-03-23 Phillips Petroleum Co Method and apparatus for cooling molten thermoplastic materials
US3277656A (en) * 1965-06-16 1966-10-11 Western Electric Co Methods and apparatus for cooling plastic articles
CH500059A (de) * 1968-09-13 1970-12-15 Buss Ag Einrichtung zur Aufbereitung von Polyadditionsharz-Zwischenprodukten
DE1916222B1 (de) * 1969-03-29 1970-11-05 Scheer & Cie C F Einrichtung zum Kuehlen von extrudierten Kunststoffstraengen,vornehmlich mit anschliessendem Granulator
US3734415A (en) * 1969-09-09 1973-05-22 P Franz Apparatus for the preparation of solid intermediates of polyaddition resins in the form of connected pieces useful for breaking and grinding
US4137025A (en) * 1977-03-07 1979-01-30 Graves Kenneth E Apparatus for measuring and controlling the wall thickness of plastic pipes
DE7731245U1 (de) * 1977-10-08 1978-01-12 Messer Griesheim Gmbh, 6000 Frankfurt Vorrichtung in form eines doppelwandigen rohres zum kuehlen von endlosprofilen
DE3015672A1 (de) * 1980-04-23 1981-10-29 Drabert Söhne Minden (Westf.), 4950 Minden Verfahren und vorrichtung zum verbessern der qualitaet von bahnfoermigen materialien
US4696779A (en) * 1986-03-17 1987-09-29 Kimberly-Clark Corporation Method and apparatus for forming an isotropic self-adhering elastomeric ribbon

Also Published As

Publication number Publication date
DE3630928C2 (fr) 1990-01-18
EP0259638A3 (en) 1988-11-30
US4788017A (en) 1988-11-29
ATE87641T1 (de) 1993-04-15
EP0259638A2 (fr) 1988-03-16
JPS6371314A (ja) 1988-03-31
EP0259638B1 (fr) 1993-03-31
DE3630928A1 (de) 1988-03-24

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