CH525259A - Verfahren zur Gewinnung von festem Polycarbonat - Google Patents

Verfahren zur Gewinnung von festem Polycarbonat

Info

Publication number
CH525259A
CH525259A CH73470A CH73470A CH525259A CH 525259 A CH525259 A CH 525259A CH 73470 A CH73470 A CH 73470A CH 73470 A CH73470 A CH 73470A CH 525259 A CH525259 A CH 525259A
Authority
CH
Switzerland
Prior art keywords
production
solid polycarbonate
polycarbonate
solid
Prior art date
Application number
CH73470A
Other languages
English (en)
Inventor
L Rawlings Herbert
Original Assignee
Mobay Chemical Corp
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 Mobay Chemical Corp filed Critical Mobay Chemical Corp
Publication of CH525259A publication Critical patent/CH525259A/de

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
    • C08J3/14—Powdering or granulating by precipitation from solutions
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
    • 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
    • C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polyesters Or Polycarbonates (AREA)
CH73470A 1969-01-21 1970-01-20 Verfahren zur Gewinnung von festem Polycarbonat CH525259A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79267369A 1969-01-21 1969-01-21

Publications (1)

Publication Number Publication Date
CH525259A true CH525259A (de) 1972-07-15

Family

ID=25157683

Family Applications (1)

Application Number Title Priority Date Filing Date
CH73470A CH525259A (de) 1969-01-21 1970-01-20 Verfahren zur Gewinnung von festem Polycarbonat

Country Status (6)

Country Link
BE (1) BE744719A (de)
CH (1) CH525259A (de)
DE (1) DE2002463A1 (de)
FR (1) FR2028829A1 (de)
GB (1) GB1283335A (de)
NL (1) NL7000597A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4117751A1 (de) * 1991-05-30 1992-12-03 Bayer Ag Verfahren zur isolierung von polycarbonaten

Also Published As

Publication number Publication date
BE744719A (fr) 1970-07-22
FR2028829A1 (de) 1970-10-16
DE2002463A1 (de) 1972-02-17
GB1283335A (en) 1972-07-26
NL7000597A (de) 1970-07-23

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Legal Events

Date Code Title Description
PL Patent ceased