Bayer Aktiengesellschaft

Agfa Gevaert Nv

Volker Serini

Dieter Freitag

Ulrich R Grigo

Uwe Westeppe

Hugo Vernaleken

Ludwig Bottenbruch

Werner Nouvertne

Karsten J Idel

Uwe Hucks

Carl Casser

Bernhard Schulte

Manfred Hajek

Dietrich Rathmann

Karsten-Josef Idel

Stefaan K De Meutter

David R Terrell

Leo Morbitzer

Werner Waldenrath

Gerd Fengler

Klaus-Christian Paetz

Hans-Leo Weber

Dietrich Hardt

Gunther Kampf

Peter Horlacher

Gerhard Friedhofen

Hans-Josef Buysch

Klaus Konig

Helmut Waldmann

Hans-Dieter Block

Horst Peters

Hans-Helmut Schwarz

Hans-Eberhard Braese

Rainer Neumann

Manfred Schreckenberg

Manfred Beck

John W Goossens

Claus Burkhardt

Jurgen Heuser

Jochen Schnetger

Christian Lindner

Karl-Erwin Piejko

Thomas Scholl

Rudolf Binsack

Herbert Bartl

Dieter Neuray

Joachim Wank

Klaus Kircher

Josef Buekers

Klaus D Berg

Wolfgang Nising

Winfried Paul

Gottfried Pampus

Richard Prinz

Gert Humme

Oskar Weissel

Dieter Rempel

Winfried Fischer

Fritz Mietzsch

Udo Rudolph

Hans-Georg Gehrke

Paul J Mayska

Klaus Summermann

Dieter Frietag

Ross Savage

Wolfgang Cohen

Gunter Perlstocker

Sivara Krishnai

The invention relates to mixtures of special polyesters and/or special polyester carbonates with amorphous thermoplastics and/or with partly crystalline thermoplastics and/or with rubbers and/or with graft polymers useful for molding articles.

Thermoplastic blends containing polyesters and polyester carbonates

Dihydroxydiphenyl bicycloalkanes characterized in that they contain 9 to 13 ring C atoms in the bicycloaliphatic component are disclosed. The disclosed compounds were found to be suitable for the preparation of high molecular weight, thermoplastic polycarbonate resins having favorable properties.

Special dihydroxydiphenyl bicycloalkanes, their production and their use

Polycarbonate from special dihydroxydiphenyl bicycloalkane

Photoconductive recording material which incorporates in an outermost layer a siloxane-copolymer including at least one polysiloxane block that is copolymerized with aromatic ester units or with aromatic carbonate units and aromatic ester units, wherein the polysiloxane block(s) consist(s) of 5 to 200 chemically bonded diorgano siloxy units in which the organic substituents are selected from the group consisting of an alkyl, an aralkyl, an alkaryl and an aryl group and said block(s) is (are) present in an amount by weight in the range 0.3% to 80% with respect to the total weight of said copolymer.

Photoconductive recording material with special outermost layer

Photoconductive recording material which incorporates in an outermost layer a siloxane-copolymer including at least one polysiloxane block that is copolymerized with aromatic carbonate units, wherein the polysiloxane block(s) consist(s) of 5 to 200 chemically bonded diorgano siloxy units in which the organic substituents are selected from the group consisting of an alkyl, an aralkyl, an alkaryl and an aryl group, and said block(s) is (are) present in an amount by weight in the range of 0.3% to 6% with respect to the total weight of said copolymer.

A photoconductive recording material having a conducting electrode element coated with one or more layers, one or more of said layers incorporating one or more polyester carbonate copolymers, wherein the aromatic carbonate units are present in the range of 10 to 48 mole % of said copolymer and correspond to the general formulae (I), and wherein the aromatic ester units are present in the range of 52 to 90 mole % of said copolymer and have one or more of the compositions represented by the general formulae (II and III) described herein.

Photoconductive recording element

Polyester and polyester carbonate based on 3,8-dihydroxy-5a,

The new polyester carbonate-polysiloxane block copolymers having recurrent structural units of the following formulae ##STR1## have improved resistance to petrol compared with known polyester carbonate-polysiloxane block copolymers. They are used for the manufacture of moulded products, in particular those used under the engine bonnet of a motor vehicle or as external parts of motor vehicles.

Thermoplastic polyester carbonate-polysiloxane block copolymers

Polydiorganosiloxane-polycarbonate block copolymers based on dihydrodiphenylcycloalkanes corresponding to formula (I) ##STR1## in which R.sup.1, R.sup.2 independently of one another represent hydrogen, halogen, preferably chlorine or bromine, C.sub.1-8 alkyl, C.sub.5-6 cycloalkyl, C.sub.6-10 aryl and C.sub.7-12 aralkyl, preferably phenyl-C.sub.1-4 -alkyl, more especially benzyl,

Polysiloxane-polycarbonate block copolymers based on certain

Polyesters and polyester-carbonates based on dihydroxydiphenylcycloalkanes corresponding to the following general formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently represent hydrogen, a C.sub.1 -C.sub.12 hydrocarbon radical or halogen; m represents an integer of from 4 to 7,

Polyester-carbonate based on 1,1-bis-(4-hydroxyphenyl)-alkylcycloalkanes

Films from aromatic polyesters and from aromatic polyestercarbonates are excellently suitable for preparing printing ribbons, in particular for thermal and electrothermal recording processes.

Printing ribbon comprising polycondensates

Aromatic polycarbonates having weight average molecular weight M.sub.w of at least 10,000 which contain bifunctional carbonate structural units corresponding to general formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 independently represent hydrogen, C.sub.1 -C.sub.12 hdyrocarbon or halogen radicals; and

Polycarbonates of substituted cyclohexylindenebisphenols

Thermoplastic blends containing polycarbonates based on substituted

Polyester-carbonate/polysiloxane block copolymers containing the following recurring structural units: ##STR1## wherein the structural units (1) comprise at least 75 wt.% of the sum of the structural units (1) and (2), exhibit better low temperature tough fracture properties than the known polyester-carbonate/polysiloxane block copolymers containing comparable recurring structural units on comparison of polyester-carbonate/polysiloxane block copolymers of the same heat resistance.

Thermoplastic polyester-carbonate/polysiloxane block copolymers

Thermoplastic aromatic polycarbonates having average molecular weights Mw of at least 10,000 which contain bifunctional carbonate structural units corresponding formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 independently of one another represent hydrogen, a C.sub.1-12 hydrocarbon, halogen,

Polycarbonate of polysubstituted cyclohexylidene bisphenols

Growing community of inventors

Krefeld, Germany

Volker Serini