IT949651B - Procedimento per la produzione continua di policarbonati lineari ad elevato peso molecolare - Google Patents

Procedimento per la produzione continua di policarbonati lineari ad elevato peso molecolare

Info

Publication number
IT949651B
IT949651B IT47744/72A IT4774472A IT949651B IT 949651 B IT949651 B IT 949651B IT 47744/72 A IT47744/72 A IT 47744/72A IT 4774472 A IT4774472 A IT 4774472A IT 949651 B IT949651 B IT 949651B
Authority
IT
Italy
Prior art keywords
procedure
molecular weight
high molecular
continuous production
linear polycarbonates
Prior art date
Application number
IT47744/72A
Other languages
English (en)
Original Assignee
Basf 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
Priority claimed from DE19712101700 external-priority patent/DE2101700C3/de
Application filed by Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of IT949651B publication Critical patent/IT949651B/it

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
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/20—General preparatory processes
    • C08G64/22—General preparatory processes using carbonyl halides
    • C08G64/24—General preparatory processes using carbonyl halides and phenols
    • 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
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/20—General preparatory processes
    • C08G64/205—General preparatory processes characterised by the apparatus used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT47744/72A 1971-01-15 1972-01-14 Procedimento per la produzione continua di policarbonati lineari ad elevato peso molecolare IT949651B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712101700 DE2101700C3 (de) 1971-01-15 Verfahren zur kontinuierlichen Herstellung hochmolekularen, linearen Polycarbonaten

Publications (1)

Publication Number Publication Date
IT949651B true IT949651B (it) 1973-06-11

Family

ID=5795931

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47744/72A IT949651B (it) 1971-01-15 1972-01-14 Procedimento per la produzione continua di policarbonati lineari ad elevato peso molecolare

Country Status (9)

Country Link
US (1) US3787359A (it)
AT (1) AT322855B (it)
BE (1) BE778047A (it)
CA (1) CA979144A (it)
CH (1) CH554908A (it)
FR (1) FR2121856B1 (it)
GB (1) GB1373422A (it)
IT (1) IT949651B (it)
NL (1) NL7200462A (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4999596A (it) * 1973-01-25 1974-09-20
DE2305144C2 (de) * 1973-02-02 1982-05-06 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen Herstellung von Polycarbonaten
US4025489A (en) * 1975-01-27 1977-05-24 Mobay Chemical Corporation Utilization of bisphenol-A from the alkaline phase generated in the production of polycarbonates
DE2706126C2 (de) * 1977-02-14 1984-03-29 Bayer Ag, 5090 Leverkusen Schwerentflammbare Polycarbonat-Folien
DE2711184A1 (de) * 1977-03-15 1978-09-28 Bayer Ag Verfahren zur herstellung farbheller polycarbonate
DE2735775A1 (de) * 1977-08-09 1979-02-22 Bayer Ag Verfahren zur herstellung von polycarbonaten
DE2933344A1 (de) * 1979-08-17 1981-03-26 Bayer Ag, 51373 Leverkusen Verfahren zur herstellung von flammwidrigen polycarbonaten
DE3480607D1 (de) * 1984-07-17 1990-01-04 Rhe Haendel Engineering Gmbh Verfahren zur viskositaetsmessung von kunstharzen und vorrichtung zur durchfuehrung des verfahrens.
US4810813A (en) * 1986-09-08 1989-03-07 General Electric Company Method for making reaction products of phosgene and dihydric phenol with stable suspension of dihydric phenol, alkali metal hydroxide and water
US4847352A (en) * 1987-08-26 1989-07-11 The Dow Chemical Company Polycarbonate production with motionless mixer
US5037941A (en) * 1988-12-06 1991-08-06 The Dow Chemical Company Interfacial preparation of polycarbonate prepolymer with motionless mixer
US5037942A (en) * 1990-03-28 1991-08-06 The Dow Chemical Company Continuous motionless mixer reactor process for the production of branched polycarbonate
DE4127512C2 (de) * 1991-08-20 1995-02-23 Bayer Ag Verfahren zur Herstellung von Polycarbonat mit konstanter Viskosität
US5380814A (en) * 1992-06-16 1995-01-10 Mitsui Toatsu Chemicals, Inc. Aromatic polycarbonate and process for production thereof
DE69323807T2 (de) * 1992-07-27 1999-10-21 Mitsui Chemicals, Inc. Verfahren zur Herstellung von aromatischem Polycarbonat-Oligomer und aromatischem Polycarbonat
DE4239131C2 (de) * 1992-11-20 1998-04-09 Bayer Ag Verfahren zur Herstellung von Polycarbonaten
DE4241619C2 (de) * 1992-12-10 1998-04-09 Bayer Ag Verfahren zur Herstellung von Polycarbonaten
US5508375A (en) * 1992-12-10 1996-04-16 Bayer Aktiengesellschaft Process for the preparation of polycarbonates
DE102004061754A1 (de) * 2004-12-22 2006-07-06 Bayer Materialscience Ag Substratmaterialien für transparente Spritzgussteile
DE102004061753A1 (de) * 2004-12-22 2006-07-06 Bayer Materialscience Ag Substratmaterialien für transparente Spritzgussteile

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1327762A (fr) * 1962-03-13 1963-05-24 Kodak Pathe Procédé continu pour la préparation de polycarbonates à partir de bisphénols etdu phosgène

Also Published As

Publication number Publication date
NL7200462A (it) 1972-07-18
GB1373422A (en) 1974-11-13
DE2101700A1 (de) 1972-07-20
AT322855B (de) 1975-06-10
FR2121856A1 (it) 1972-08-25
CA979144A (en) 1975-12-02
DE2101700B2 (de) 1974-06-06
BE778047A (fr) 1972-07-14
CH554908A (de) 1974-10-15
US3787359A (en) 1974-01-22
FR2121856B1 (it) 1978-05-19

Similar Documents

Publication Publication Date Title
IT949651B (it) Procedimento per la produzione continua di policarbonati lineari ad elevato peso molecolare
IT945352B (it) Procedimento per la produzione continua di alcossisilani od alcossipolisilossani
IT1000184B (it) Procedimento per la produzione di strati sottili di elastomeri poliuretanici
AT320424B (de) Walze mit Durchbiegungsausgleich
IT973901B (it) Procedimento per la produzione di alogenidrine
IT975676B (it) Procedimento per la preparazione in semi continuo di poliesteri lineari ad alto peso molecolare
IT961442B (it) Procedimento per la produzione di sospensioni di rutilo ad elevato contenuto di solido
IT942033B (it) Procedimento per la produzione di amilosi di basso peso molecolare
IT961340B (it) Procedimento per la produzione di filati e relativo prodotto
IT972198B (it) Articolo antifrizione
IT944438B (it) Procedimento per la produzione di composti di peso molecolare elevato
IT990452B (it) Procedimento per la produzione di d.l.alfa.tocoferolo
IT958044B (it) Procedimento per la produzione di politiobisfenoli
TR17861A (tr) Sonsuz koepuek maddesi seritlerinin devamli olarak imaline mahsus tertibat
IT981378B (it) Composizione costruttiva per la produzione di zone illuminate a fondo di atmosfera purissima
IT954429B (it) Produzione continua d n n n n tetraacetiletilendiammina
IT1007610B (it) Procedimento per la produzione di poliesteri di elevato peso moleco lare
IT956409B (it) Procedimento per la produzione di lattami
IT944939B (it) Procedimento per la produzione continua di ossido di propilene a partire da propilencloridrina
IT956825B (it) Oligomeri a gruppi immidici
IT1029607B (it) Procedimento per la produzione di parabenzochinone
IT946095B (it) Copoliamidi lineari di peso mole colare elevato contenenti gruppi di ossiamidi
IT967054B (it) Copoliamidi lineari ad alto peso molecolare
IT954430B (it) Produzione continua di n n diaceti lendiammina
IT976974B (it) Procedimento per la produzione di polimeri alfa olefinici di peso molecolare ridotto e prodotto relativo