Ciba Specialty Chemicals Corporation

Alessandro Zedda

Massimiliano Sala

Dario Lazzari

Stephen Mark Andrews

Graziano Zagnoni

Gianluca Ferri

Mirko Rossi

Valerio Borzatta

David Devore

Anunay Gupta

John James McNamara

Armin Schneider

Paul Adriaan Van Der Schaaf

Martin Brunner

Michèle Gerster

Michael Tinkl

Manuele Vitali

Piero Piccinelli

Michela Bonora

Paragkumar Thanki

Fabien Jean Brand

Suhas Dattatraya Sahasrabudhe

Shrirang Bhikaji Hindalekar

Archana Kishore Desai

Manuel Vitali

The instant invention relates to new compounds of the formula I   These new compounds of the formula I are useful as reducers of surface energy for organic materials such as polycarbonates, polyesters or polyketones or their mixtures, blends or alloys. Polymers with such a reduced surface energy possess an 'easy to clean', 'self-cleaning' &#x201c;antisoiling&#x201d;, &#x201c;soil-release&#x201d; &#x201c;antigraffiti&#x201d;, &#x201c;oil resistance&#x201d;, &#x201c;solvent resistance&#x201d;, &#x201c;chemical resistance&#x201d;, &#x201c;self lubricating&#x201d;, &#x201c;scratch resistance&#x201d;, &#x201c;low moisture absorption&#x201d; and &#x201c;hydrophobic&#x201d; surface.

Fluorocarbon terminated oligo- and poly-carbonates as surface modifiers

The invention relates to metathesis oligomers wherein one or more alkoxy ether groups are attached to the oligomer moiety. Also disclosed is a polymerizable composition comprising a catalytically effective amount of a penta- or hexavalent ruthenium or osmium carbene catalyst, the process for preparing the metathesis polymer by applying the reaction conditions of Ring Opening Metathesis Polymerization (=ROMP) to the polymerisable composition; and various technical applications of the metathesis oligomers as antifog agents.

ROMP with alkoxy ether groups

The instant invention relates to stable free nitroxyl radicals of formula (I) wherein

Stable free nitroxyl radicals as oxidation catalysts and process for oxidation

Piperazinone derivatives

Polyolefin films having incorporated therein a compound of the formula CHCH(CHCH)CHCH(OCHCH)OH, where a is 9 to 25 and b is 1 to 10, exhibit superior long lasting fog resistance. The polyolefin films are useful as packaging film for moist products and as a greenhouse film for agricultural applications.

Polyolefin film compositions with permanent antifog properties

The invention relates to metathesis polymers wherein an aromatic group that has UV-light absorbing properties is attached with a bridge group to the polymer. Also disclosed is a polymerizable composition comprising a catalytically effective amount of a penta- or hexavalent ruthenium or osmium carbene catalyst, the process for preparing the metathesis polymer by applying the reaction conditions of Ring Opening Metathesis Polymerization (=ROMP) to the polymerizable composition; and various technical applications of the metathesis polymers.

Romp with oligomeric UV-absorbers

Polyolefin films having incorporated therein a compound of the formula CH CH (CH CH ) CH CH (OCH CH ) OH, where a is 9 to 25 and b is 1 to 10, exhibit superior long lasting fog resistance. The polyolefin films are useful as packaging film for moist products and as a greenhouse film for agricultural applications.

Compositions stabilized by dioxopiperazinyl derivatives

Preparation of sterically hindered amine ethers

Oxopiperazinyl derivatives and light stabilized compositions

A compound of formula (I) wherein n is e.g. a number from 2 to 50; R &prime; and R &Prime; are e.g. a group of formula (II); G , G , G and G are e.g. C -C akyl; R is e.g. hydrogen or C -C alkyl; R is e.g. methylene; R &prime; is e.g. hydrogen and R &Prime; is e.g. hydrogen or C -C alkyl; R is e.g. C -C alkylene; and X is e.g. &mdash;N(R )R ) with R and R being independently of one another hydrogen or C -C alkyl, is useful for stabilizing an organic material against degradation induced by light, heat or oxidation.

A new process is described for the preparation of a compound of the formula I ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, independently of each other, are C.sub.1 -C.sub.8 alkyl or C.sub.1 -C.sub.5 hydroxyalkyl, or R.sub.1 and R.sub.2 together with the carbon atom they are attached to are C.sub.5 -C.sub.2 cycloalkyl, or R.sub.3 and R.sub.4 together with the carbon atom they are attached to are C.sub.5 -C.sub.12 cycloalkyl; R.sub.5, R.sub.6, R.sub.7, R.sub.8 and R.sub.9, independently of each other, are H, C.sub.1 -C.sub.8 alkyl, C.sub.2 -C.sub.8 alkenyl, C.sub.5 -C.sub.12 aryl, C.sub.1 -C.sub.4 haloalkyl, an electron withdrawing group, or C.sub.6 -C.sub.12 aryl which is substituted by a residue selected from C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen; and R.sub.7 and R.sub.8 together may also form a chemical bond; and R is an organic linking group containing 2-500 carbon atoms and forming, together with the carbon atoms it is directly connected to and the nitrogen atom, a substituted, 5-, 6 or 7-membered cyclic ring structure; characterized in that a compound of the formula II ##STR2## is oxidized. The compound of the formula I can be hydrogenated and/or halogenated by conventional methods. Compounds of the formula I and the corresponding hydrogenated and/or halogenated compounds are well suitable as stabilizers for organic material against degradation by light, oxygen and/or heat or yellowing; some are also active as flame retardants.

A compound of the formula (I) ##STR1## wherein n is an integer from 1 to 4; the radicals R.sub.1 are for example a group of the formula ##STR2## R.sub.3 is for example hydrogen, C.sub.1 -C.sub.8 alkyl or C.sub.5 -C.sub.12 cycloalkoxy; Z and R.sub.2 are for example a group ##STR3## the radicals A and E are, for example, independently of one another --N(R.sub.11)(R.sub.12) or a group of the formula ##STR4## R.sub.11 and R.sub.12 are for example C.sub.1 -C.sub.12 alkyl; R.sub.13 has for example one of the meanings given for R.sub.3 ; E* has for example one of the meanings given for A or is a group of the formula ##STR5## The compounds of the formula (I) are useful as light stabilizers, heat stabilizers and oxidation stabilizers for organic materials, in particular synthetic polymers such as polyolefins.

Triazine derivatives containing 2,2,6,6-tetramethyl-4-piperidyl groups

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Basel, Switzerland

Alessandro Zedda