NL1007516A1 - Process for the preparation of special copolycarbonates by transesterification in the melt. - Google Patents

Process for the preparation of special copolycarbonates by transesterification in the melt.

Info

Publication number
NL1007516A1
NL1007516A1 NL1007516A NL1007516A NL1007516A1 NL 1007516 A1 NL1007516 A1 NL 1007516A1 NL 1007516 A NL1007516 A NL 1007516A NL 1007516 A NL1007516 A NL 1007516A NL 1007516 A1 NL1007516 A1 NL 1007516A1
Authority
NL
Netherlands
Prior art keywords
transesterification
melt
preparation
copolycarbonates
special
Prior art date
Application number
NL1007516A
Other languages
Dutch (nl)
Other versions
NL1007516C2 (en
Inventor
Annett Koenig
Ruediger Plaetschke
Rolf Werhmann
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 NL1007516A1 publication Critical patent/NL1007516A1/en
Application granted granted Critical
Publication of NL1007516C2 publication Critical patent/NL1007516C2/en

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
    • C08G64/307—General preparatory processes using carbonates and phenols

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)
NL1007516A 1996-11-11 1997-11-11 Process for the preparation of special copolycarbonates by transesterification in the melt. NL1007516C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1996146401 DE19646401A1 (en) 1996-11-11 1996-11-11 Melt phase preparation of poly:carbonate copolymer moulding material
DE19646401 1996-11-11

Publications (2)

Publication Number Publication Date
NL1007516A1 true NL1007516A1 (en) 1998-05-14
NL1007516C2 NL1007516C2 (en) 1998-11-25

Family

ID=7811220

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1007516A NL1007516C2 (en) 1996-11-11 1997-11-11 Process for the preparation of special copolycarbonates by transesterification in the melt.

Country Status (3)

Country Link
BE (1) BE1011383A3 (en)
DE (1) DE19646401A1 (en)
NL (1) NL1007516C2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19933132A1 (en) * 1999-07-19 2001-01-25 Bayer Ag Process for the production of modified polycarbonates
DE10134480A1 (en) * 2001-07-16 2003-01-30 Bayer Ag Manufacture of copolycarbonates
DE10135465A1 (en) * 2001-07-20 2003-02-06 Bayer Ag Polycarbonate blends
US6797802B2 (en) * 2002-10-07 2004-09-28 General Electric Company Method of polycarbonate preparation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05117382A (en) * 1991-10-29 1993-05-14 Nippon G Ii Plast Kk Copolymerized polycarbonate, its production and composition composed thereof
DE4238123C2 (en) * 1992-11-12 2000-03-09 Bayer Ag Process for the production of thermoplastic polycarbonates

Also Published As

Publication number Publication date
NL1007516C2 (en) 1998-11-25
BE1011383A3 (en) 1999-08-03
DE19646401A1 (en) 1998-05-14

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Legal Events

Date Code Title Description
AD1A A request for search or an international type search has been filed
RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 19980721

PD2B A search report has been drawn up
VD1 Lapsed due to non-payment of the annual fee

Effective date: 20020601