Henkel Ag & Company, Kgaa

Henkel IP Holding Gmbh

Christina Despotopoulou

Johann Klein

Jan-Erik Damke

Udo Kragl

Esteban Mejia

Wu Suen

Andrea Keys Eodice

Claudia Meckel-Jonas

Robert P Cross

Bahram Issari

John Guthrie

Marisa Phelan

Therese Hemery

Darel L Gustafson

Cormac Duffy

Ralf Dunekake

Annika Dietrich

David Briers

Markus Bonigut

Tianzhi Zhang

Henrik Lund

Marleen Winterberg

Ciara Goff

Marion Marquardt

Sabine Horn

Marta Woznicka

Ralf Baetzgen

Michael Paul Levandoski

Theresia Koehler

Lea Grefe

Swarup Ghosh

The invention relates to a process for preparing polyorganosiloxanes by (i) condensation polymerization of at least one linear organosiloxane which has at least one hydroxy group or hydrolysable group bound to a silicon atom, (ii) ring-opening polymerization of at least one cyclosiloxane, or (iii) ring-opening polymerization and condensation polymerization of a mixture of at least one linear organosiloxane which has at least one hydroxy group or hydrolysable group bound to a silicon atom and at least one cyclosiloxane with a basic initiator and a hydroxy group-containing compound in the presence of a polar aprotic solvent, wherein the obtained polyorganosiloxanes are not miscible in the polar aprotic solvent at room temperature.

Process for the preparation of polyorganosiloxanes

Curable compositions that undergo reaction induced phase separation of domains in cured matrix and provide beneficial physical and chemical properties and methods of use of such compositions. Curable compositions that undergo reaction induced phase separation of domains in cured matrix in response to a first set of curing conditions and the domains undergo a second reaction in response to a second set of curing conditions to improve the physical properties of the domains and the cured composition, such as improvements in glass transition temperature and thermal degradation.

Curable compositions for production of reaction induced phase separated compositions with improved properties

A method for producing a hydroxyl-functionalized polysiloxane having secondary or tertiary hydroxyl groups, said method comprising the steps of:  

Process for the preparation of hydroxyl-functionalized polysiloxanes

Disclosed are silane modified copolymers that are moisture curable; curable adhesive compositions comprising the silane modified copolymers; and methods of making the silane modified copolymers.

Silane modified polymers with improved characteristics for adhesive compositions

Disclosed is a moisture curable silane modified terpolymer comprising a polyether segment, a segment of polytetrahydrofuran or polycarbonate, a polysiloxane segment and terminal amino silane groups joined to the terpolymer via urethane linkages and wherein the polyether segment comprises at least 70% by weight based on the total weight of the silane modified terpolymer. Also disclosed is a method of forming moisture curable silane modified terpolymer.

Silane modified polymers and use of the same in adhesive compositions

The invention relates to a curable composition comprising a) at least one polymer having at least one terminal group of the general formula (I)-A-R&#x2014;SiXYZ&#x2003;&#x2003;(I),wherein A is a divalent or trivalent bonding group containing at least one heteroatom, R is selected from divalent hydrocarbon residues having 1 to 12 carbon atoms, X, Y, Z are, independently of one another, selected from the group consisting of a hydroxyl group and Cto Calkyl, Cto Calkoxy, Cto Cacyloxy groups and &#x2014;CH&#x2014;N&#x2014;R' wherein N is oxygen, nitrogen or sulfur, preferably oxygen, and R&#x2032; is selected from Cto Calkyl groups, preferably a methyl group, wherein X, Y, Z are substituents directly bound with the Si atom or the two of the substituents X, Y, Z form a ring together with the Si atom to which they are bound, and at least one of the substituents X, Y, Z is selected from the group consisting of a hydroxyl group, Cto Calkoxy or Cto Cacyloxy groups, and n is 0 or 1; and b) at least one compound of the general formula (II)  wherein Ris same or different and is, independently from one another, selected from the group consisting of a hydrogen atom and hydrocarbon residues having 1 to 12 carbon atoms, Ris same or different and is, independently from one another, selected from hydrocarbon residues having 1 to 12 carbon atoms, Ar is selected from aryl groups, and n is an integer selected from 3 to 9; and adhesive, sealant, or coating materials comprising the composition and use thereof.

Curable composition with improved mechanical properties and high transparency

The invention relates to a curable composition comprising a) at least one polymer having at least one terminal group of the general formula (I)-A-R&#x2014;SiXYZ&#x2003;&#x2003;(I),wherein A is a divalent bonding group containing at least one heteroatom, R is selected from divalent hydrocarbon residues having 1 to 12 carbon atoms, X, Y, Z are, independently of one another, selected from the group consisting of a hydroxyl group and Cto Calkyl, Cto Calkoxy, and Cto Cacyloxy groups, wherein X, Y, Z are substituents directly bound with the Si atom or the two of the substituents X, Y, Z form a ring together with the Si atom to which they are bound, and at least one of the substituents X, Y, Z is selected from the group consisting of a hydroxyl group, Cto Calkoxy or Cto Cacyloxy groups, and n is 0 or 1; and b) at least one compound of the general formula (II) wherein R' is same or different and is, independently from one another, selected from the group consisting of a hydrogen atom and hydrocarbon residues having 1 to 12 carbon atoms, and Ar is selected from aryl groups, and adhesive, sealant, or coating materials comprising the composition and use thereof.

High modulus curable composition

Allyl-cyanoacrylate-containing compositions with an anhydride aromatic component, which when cured confers improved moisture resistance, are provided.

Cyanoacrylate compositions

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Minneapolis, MN, United States of America

Christina Despotopoulou