C08G77/382

Heterochain Polymer Composition
20190202993 · 2019-07-04 ·

This disclosure relates to polymerizable silicone compositions, methods for polymerizing such compositions, and to polymerized silicone compositions formed thereby. In one embodiment, a polymerizable composition includes one or more first organosiloxanes or organosilanes, each comprising a plurality of silicon hydride functional groups, one or more second organosiloxanes or organosilanes, each comprising a plurality of reactive heterocycloalkyl functional groups; and one or more third organosiloxanes or organosilanes, each comprising at least about one silicon hydride functional group and at least about one reactive heterocycloalkyl functional group; one or more reactive organic compounds, each comprising at least about one reactive heterocycloalkyl functional group; and an effective amount of a borane catalyst, present, for example, in an amount within the range of 0.0005 wt % to about 10 wt %, wherein the ratio of reactive heterocycloalkyl functional groups to reactive silicon hydride functional groups in the composition is in the range of 1:5 to 5:1.

POLYMER COMPOSITION COMPRISING CROSSLINKED SILICONES WITH EXCHANGEABLE CROSSLINKING POINTS, PREPARATION METHOD AND USES

The invention relates to a silicone composition comprising (a) crosslinked polymers comprising consecutive SiO units containing exchangeable pendant bonds and exchangeable crosslinking points, that are exchangeable by aldehyde-imine exchange reactions and/or by imine-imine exchange reactions and/or by imine-primary amine exchange reactions, obtained by crosslinking linear or branched polymers comprising consecutive SiO units and (b) monofunctional free aldehydes and/or monofunctional free imines and/or monofunctional free primary amines.

PROCESS FOR PREPARING POLYALKYLENE ETHER-MODIFIED POLYSILOXANES AND USE THEREOF

The invention relates to a process for preparing oligo- or polyalkylene ether-modified polysiloxanes by transesterification of alkoxy-functionalized polysiloxanes with OH terminated oligo- or polyalkylene ethers in the presence of the tetra-n-C.sub.1-C.sub.6-alkoxy- titanate as catalyst. Oligo- or polyalkylene ether-modified polydimethylsiloxanes obtainable through this process are suitable as defoamers, as wetting agents, and as additives in coating material formulations.

Silicone ligands for quantum dots
09969844 · 2018-05-15 · ·

The present invention relates to silicone polymer ligands for binding to quantum dots. The silicone polymer ligands contain a multiplicity of amine, carboxy, and/or phosphine binding groups suitable for attachment to quantum dots. The present invention also describes a process for the preparation of quantum dot binding ligands.

Materials and methods for dispersing nano particles in matrices with high quantum yields and stability

The invention provides a process for the production of a solid polymer with embedded luminescent nano particles, comprising (1) mixing luminescent nano particles with an outer surface coated with capping molecules comprising a first functional group and a second functional group and a precursor of a solid polymer, and (2) allowing the solid polymer to be formed; wherein the first functional group is configured to bind to the outer surface of the quantum dot and the second functional group is miscible with the precursor of the solid polymer and/or is able to react with the precursor of the solid polymer. The invention also provides a luminescent polymeric article comprising a solid polymer with in the polymer article embedded luminescent nano particles with an outer surface coated with capping molecules comprising a first functional group and a second functional group.

Materials and methods for dispersing nano particles in matrices with high quantum yields and stability

The invention provides a process for the production of a solid polymer with embedded luminescent nano particles, comprising (1) mixing luminescent nano particles with an outer surface coated with capping molecules comprising a first functional group and a second functional group and a precursor of a solid polymer, and (2) allowing the solid polymer to be formed; wherein the first functional group is configured to bind to the outer surface of the quantum dot and the second functional group is miscible with the precursor of the solid polymer and/or is able to react with the precursor of the solid polymer. The invention also provides a luminescent polymeric article comprising a solid polymer with in the polymer article embedded luminescent nano particles with an outer surface coated with capping molecules comprising a first functional group and a second functional group.

POLYSILOXANE FILLER TREATING AGENT AND COMPOSITIONS PREPARED THEREWITH
20260015463 · 2026-01-15 ·

##STR00001##

The present invention relates to a filler treating agent of Formula (I) where R.sup.1, R.sup.1, R.sup.2, R.sup.2, m, n, p, and q are as defined herein. The filler treating agent is useful as additive for thermally conductive formulations.

POLYSILOXANE FILLER TREATING AGENT AND COMPOSITIONS PREPARED THEREWITH
20260015463 · 2026-01-15 ·

##STR00001##

The present invention relates to a filler treating agent of Formula (I) where R.sup.1, R.sup.1, R.sup.2, R.sup.2, m, n, p, and q are as defined herein. The filler treating agent is useful as additive for thermally conductive formulations.

METHOD FOR MAKING ETHER-FUNCTIONAL SILICONES
20260049185 · 2026-02-19 ·

A method for making an ether-functional silicone includes hydrosilylation reaction of an acetate-capped alkenyloxy-functional ether and a polyorganohydrogensiloxane in the presence of a catalyst including a bicyclic compound. The method may further comprise preparing the catalyst by combining Karstedt's catalyst with a bicyclic compound to form a complex.

METHOD FOR MAKING ETHER-FUNCTIONAL SILICONES
20260049185 · 2026-02-19 ·

A method for making an ether-functional silicone includes hydrosilylation reaction of an acetate-capped alkenyloxy-functional ether and a polyorganohydrogensiloxane in the presence of a catalyst including a bicyclic compound. The method may further comprise preparing the catalyst by combining Karstedt's catalyst with a bicyclic compound to form a complex.