EP1023357A1 - Herstellung von dihydroxydiphenyl-copolycarbonaten durch schmelzumesterung - Google Patents

Herstellung von dihydroxydiphenyl-copolycarbonaten durch schmelzumesterung

Info

Publication number
EP1023357A1
EP1023357A1 EP98948996A EP98948996A EP1023357A1 EP 1023357 A1 EP1023357 A1 EP 1023357A1 EP 98948996 A EP98948996 A EP 98948996A EP 98948996 A EP98948996 A EP 98948996A EP 1023357 A1 EP1023357 A1 EP 1023357A1
Authority
EP
European Patent Office
Prior art keywords
mol
copolycarbonates
alkyl
melt
production
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP98948996A
Other languages
German (de)
English (en)
French (fr)
Inventor
Annett KÖNIG
Rolf Wehrmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
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
Publication of EP1023357A1 publication Critical patent/EP1023357A1/de
Withdrawn legal-status Critical Current

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
    • C08G64/30—General preparatory processes using carbonates
    • 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
    • C08G64/04—Aromatic polycarbonates
    • C08G64/06—Aromatic polycarbonates not containing aliphatic unsaturation
    • 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
    • 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
    • C08G64/30—General preparatory processes using carbonates
    • C08G64/307—General preparatory processes using carbonates and phenols

Definitions

  • the present invention relates to a process for producing thermoplastic copolycarbonates from
  • Ri - Rg are independently H or -CC-C3-alkyl, and from complementary amounts
  • R9 - R] 2 are independently H, CH3, Cl or Br and X, C] -C5-
  • alkyl substituents being C 2 -C 2 alkyl groups, preferably C 2 -C 8 alkyl groups and in particular C 2 -C 5 alkyl groups
  • N-alkylpipe ⁇ dines are N-ethylpipe ⁇ din, N-propylpipe ⁇ din, N-isopropylpipe ⁇ din.
  • Preferred N-alkylmorpholines are N-ethylmorphohn, N-propylmorpholine and N-isopropylmorpholine.
  • N-ethylpipe ⁇ din is particularly preferred. They can be used alone or in combination or used in succession.
  • Preferred dihydroxydiphenyl is 4,4-dihydroxydiphenyl.
  • Preferred diphenols (II) are 2,2-bis (4-hydroxyphenyl) propane, 1,1-bis (4-hydroxyphenyl) -3,3,5- t ⁇ me- cyclohexene and 1, 1 -B ⁇ s- (4-hydroxy-phenyl) - 1 -phenyl-ethane
  • corresponding copolycarbonates are produced by the melt transesterification process.
  • Nitrogen bases, ammonium salts, alkahydroxides, alkali metal salts, alkaline earth hydroxides and alkaline earth salts can be used as catalysts
  • DE-OS 3 832 396 also mentions dihydroxydiphenyls as comonomers. They can be used in amounts of from 0 to 98 mol%, preferably from 0 to 95 mol%, in particular from 0 to 90 mol% and very particularly in amounts between 0 and 80 mol% can be used
  • the production can take place according to the known polycarbonate production processes, preferably according to the phase interface process
  • the production of polycarbonates with diphenyl structures is preferably carried out in solution, specifically by the phase boundary surface method and the homogeneous phase method It was an object of the present invention to improve the process according to EP-A-544 407 and to produce, with good yields, solvent-free, low-branching, chemical-resistant copolycarbonates which have good transparency, low intrinsic color (YI) and high resistance to aging
  • the polycarbonates obtainable by the process according to the invention are distinguished by a light intrinsic color and high light transmission even after prolonged exposure to temperature. They are also largely free of undesirable defects in the polycarbonate itself and, of course, free of solvents
  • n 0, 1 or 2
  • Suitable carbonic acid derivatives in the process according to the invention are carboxylic acid di-Cg-Ci / j -aryl esters, preferably the diesters of phenol or alkyl-substituted phenols, for example based on diphenyl carbonate or dicresyl carbonate 1 mol of bisphenol, the carbonic acid diesters are used in amounts of 1.01 to 1.30 mol, preferably 1.02 to 1.15 mol
  • the reaction according to the invention can be carried out in one stage without isolation of an oligocarbonate stage, or in two stages or more than two stages with isolation of at least one intermediate oligocarbonate product
  • the starting materials for the reaction according to the invention that is to say the diphenols and carbonic acid diaryl esters and catalysts, are free from alkali and alkaline earth ions, amounts of less than 0.1 ppm of alkali and alkaline earth ions being tolerable in such a manner Diphenols or carbonic acid diaryl esters can be obtained by converting, washing or distilling the carbonic acid diaryl esters or diphenols.
  • the content of alkali metal and alkaline earth metal hones both in diphenol and in carbonic acid diester and in the catalyst should be less than 0.1 ppm
  • the method according to the invention is preferably carried out as follows
  • the polycondensation of the oococarbonate is produced by further increasing the temperature to 270 ° C. to 320 ° C., preferably 270 ° C. to 295 ° C., at a pressure of 3 to 0.1 mbar, the polycarbonate
  • the oligocarbonates of the first stage have average molecular weights M vv of 3000-24000, preferably 5000-20000, determined by measuring the relative solution viscosity in dichloromethane or in mixtures of equal amounts by weight of phenol / o-dichlorobenzene, calibrated by light scattering.
  • reaction according to the invention of the aromatic dihydroxy compounds and the carbonic acid diester can be carried out continuously or batchwise, for example in Ruhr kettles, thin-film evaporators, Ruhr kettle cascades, extruders, kneading, simple disk reactors and high-viscosity disk reactors
  • copolycarbonates obtained are isolated, for example by passing the melt through an extruder, cooling and granulating
  • copolycarbonates obtainable by the process according to the invention have average molecular weights M w of 18,000 to 60,000, preferably 19,000 to
  • slightly volatile phenols such as cumylphenol, 4-phenylphenol can be used in amounts of 0.01 to 10 mol% per mol of diphenol
  • copolycarbonates obtainable according to the invention can be processed in a known manner to form various shaped bodies and articles of daily use, for example by extrusion or by injection molding
  • the polycarbonates obtainable according to the invention can be used in the automotive field as foils, plates, fitting parts or housing parts due to their property profile, in particular because of their chemical resistance, but also in the optical field as lenses and data storage devices and as articles of daily use, for example eating utensils
  • the present invention thus also relates to the use of the polycarbonates obtainable according to the invention for the production of chemical-resistant molded articles
  • auxiliaries and reinforcing substances can also be mixed in.
  • polystyrene polystyrene

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)
  • Compositions Of Macromolecular Compounds (AREA)
EP98948996A 1997-10-10 1998-09-30 Herstellung von dihydroxydiphenyl-copolycarbonaten durch schmelzumesterung Withdrawn EP1023357A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19744693A DE19744693A1 (de) 1997-10-10 1997-10-10 Verfahren zur Herstellung von speziellen Copolycarbonaten durch Schmelzumesterung
DE19744693 1997-10-10
PCT/EP1998/006212 WO1999019380A1 (de) 1997-10-10 1998-09-30 Herstellung von dihydroxydiphenyl-copolycarbonaten durch schmelzumesterung

Publications (1)

Publication Number Publication Date
EP1023357A1 true EP1023357A1 (de) 2000-08-02

Family

ID=7845093

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98948996A Withdrawn EP1023357A1 (de) 1997-10-10 1998-09-30 Herstellung von dihydroxydiphenyl-copolycarbonaten durch schmelzumesterung

Country Status (13)

Country Link
EP (1) EP1023357A1 (ja)
JP (1) JP2001520242A (ja)
KR (1) KR20010031016A (ja)
CN (1) CN1266442A (ja)
AU (1) AU9541798A (ja)
BR (1) BR9812888A (ja)
CA (1) CA2306157A1 (ja)
DE (1) DE19744693A1 (ja)
ID (1) ID24573A (ja)
IL (1) IL135003A0 (ja)
NO (1) NO20001167L (ja)
TW (1) TW426704B (ja)
WO (1) WO1999019380A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002026886A1 (de) * 2000-09-26 2002-04-04 Bayer Aktiengesellschaft Zusammensetzung auf basis von copolycarbonaten
JP2002114841A (ja) * 2000-10-06 2002-04-16 Mitsui Chemicals Inc 光学部品
JP2002114842A (ja) * 2000-10-06 2002-04-16 Mitsui Chemicals Inc ポリカーボネート樹脂、及びそれを含んで構成される光学部品
JP4514080B2 (ja) * 2000-12-28 2010-07-28 三井化学株式会社 ポリカーボネート樹脂組成物、及びそれを含んで構成される光学部品
US6608163B2 (en) 2001-01-17 2003-08-19 General Electric Company Polycarbonate copolymers having improved hydrolytic stability
DE10135465A1 (de) * 2001-07-20 2003-02-06 Bayer Ag Polycarbonat-Blends
US7183371B2 (en) * 2004-11-01 2007-02-27 General Electric Company Method for making polycarbonate
CN102464545A (zh) 2010-11-11 2012-05-23 中国石油天然气股份有限公司 一种乙烯齐聚制备1-辛烯的方法
TWI693244B (zh) * 2015-01-20 2020-05-11 德商科思創德意志股份有限公司 藉由轉酯化方法製備高耐熱之［共］聚碳酸酯
WO2023149329A1 (ja) * 2022-02-07 2023-08-10 三菱ケミカル株式会社 ポリカーボネート樹脂組成物

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2735775A1 (de) * 1977-08-09 1979-02-22 Bayer Ag Verfahren zur herstellung von polycarbonaten
JPS61264020A (ja) * 1985-05-17 1986-11-21 Idemitsu Kosan Co Ltd 芳香族ポリカ−ボネ−トおよびその製造方法
DE3919046A1 (de) * 1989-06-10 1990-12-20 Bayer Ag Neue thermotrope polycarbonate, verfahren zu ihrer herstellung und ihre verwendung zur herstellung von formkoerpern, filamenten, fasern und folien
JPH05117382A (ja) * 1991-10-29 1993-05-14 Nippon G Ii Plast Kk 共重合ポリカーボネート、その製造方法およびそれからなる組成物
US5475079A (en) * 1993-04-28 1995-12-12 Daicel Chemical Industries, Ltd. (CO) polycarbonate composition and process for preparing the same
JPH08165341A (ja) * 1994-12-15 1996-06-25 Idemitsu Kosan Co Ltd ポリカーボネートの製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9919380A1 *

Also Published As

Publication number Publication date
DE19744693A1 (de) 1999-04-15
JP2001520242A (ja) 2001-10-30
NO20001167D0 (no) 2000-03-07
IL135003A0 (en) 2001-05-20
CA2306157A1 (en) 1999-04-22
ID24573A (id) 2000-07-27
TW426704B (en) 2001-03-21
CN1266442A (zh) 2000-09-13
BR9812888A (pt) 2000-08-08
NO20001167L (no) 2000-03-07
WO1999019380A1 (de) 1999-04-22
AU9541798A (en) 1999-05-03
KR20010031016A (ko) 2001-04-16

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