8 results about "Alicyclic compound" patented technology

The application provides a high-toughness methyl silicone resin and a preparation method thereof. The high-toughness methyl silicone resin comprises the following raw materials in parts by mass: 100 parts of methyltrimethoxysilane; 18-24 parts of dimethyldimethoxysilane; 10-12 parts of a polyhydroxy steric-modified agent; 20-26 parts of water; 36-44 parts of an organic solvent; 0.1-0.3 parts of a titanate catalyst; and 0.1-0.3 parts of an organic tin catalyst. The polyhydroxy steric-modified agent is a topological structure compound containing at least two active hydroxyl groups, which is prepared by an addition reaction of a multifunctional aliphatic polyol and an unsaturated bridged cyclic alicyclic compound under the catalysis of a Lewis acid, and the active hydroxyl group content of the topological structure compound is 3.5-4 mmol / g. The high-toughness methyl silicone resin is applied in the preparation of a flexible sealing material or a heat-resistant coating material for a heating pipe.

The invention provides high-toughness methyl silicone resin and a preparation method thereof. The high-toughness methyl silicone resin comprises the following raw materials in parts by mass: 100 parts of methyltrimethoxysilane; 18 to 24 parts of dimethyl dimethoxy silane; 10 to 12 parts of a polyhydroxy steric hindrance modifier; 20 to 26 parts of water; 36-44 parts of an organic solvent; 0.1 to 0.3 part of a titanate catalyst; 0.1 to 0.3 part of an organic tin catalyst; the polyhydroxy steric hindrance modifier is a topological structure compound containing at least two active hydroxyl groups and prepared by an addition reaction of polyfunctional aliphatic polyol and an unsaturated bridged ring alicyclic compound under the catalysis of Lewis acid, and the content of the active hydroxyl groups is 3.5-4mmol / g. The high-toughness methyl silicone resin is applied to preparation of a flexible sealing material or a heat-resistant coating material for a heating pipeline.

Provided are: an active energy ray-curable composition comprising a component (A) as a curable component, wherein the content of the component (A) is not less than 50.0 mass% of curable components; a cured product obtained by curing the active energy ray-curable composition; and an optical member.　The component (A) is an alicyclic compound which has at least one aliphatic hydrocarbon ring structure and at least one epoxy group or hydroxyl group, wherein a ratio obtained by dividing the mass of a carbon atom group constituting the aliphatic hydrocarbon ring structure by the mass of an entire molecule thereof is in the range of 60.0-80.0%.

The invention discloses a hydrogenation catalyst and a preparation method thereof, and a method for synthesizing an alicyclic compound by hydrogenation of an aromatic compound. The hydrogenation catalyst is a supported Ru-Rh bimetallic catalyst with high activity, high selectivity and long service life. Compared with the prior art, the catalyst prepared by the method is high in universality and wide in applicable process range, can catalyze hydrogenation of various aromatic compounds to obtain corresponding alicyclic compounds in a high-activity and high-selectivity manner, and has special diastereoselectivity in catalysis of hydrogenation of some aromatic compounds containing multiple substituents.

Provided is a resin composition having high thermal resistance and low dielectric properties, as well as a cured product, a prepreg, a metal foil-clad laminate, a resin sheet, and a printed wiring board. The resin composition contains a compound (A) represented by Formula (M1) and a cyanate ester compound (B) containing two or more aromatic moieties per molecule, the aromatic moieties being replaced by at least one cyanato group: where in Formula (M1), A is a four- to six-membered alicyclic group:

A composition for forming a resist underlayer film that enables the formation of a desired resist pattern; and a method for producing a resist pattern and a method for producing a semiconductor device, each of which uses the above-described resist underlayer film forming composition. A resist underlayer film forming composition which contains a polymer having, at an end, an aliphatic ring that may be substituted by a substituent, while having a carbon-carbon bond that may be interrupted by a heteroatom, and which additionally contains an organic solvent. The aliphatic ring is a monocyclic or polycyclic aliphatic ring having 3-10 carbon atoms. The polycyclic aliphatic ring is a bicyclic ring or a tricyclic ring.

This application relates to a resin composition for 3D printing, the resin composition comprising a) at least one curable oligomer or prepolymer resin component (compound B), and b) a reactive diluent (compound A) having one or more chemical substances that are alicyclic compounds according to formula (I): (I).

The present application relates to a kind of catalytic electrode for electrocatalytic aromatic compound preparation alicyclic compound and its application, it includes conductive substrate and the carrier layer and the supported metal nanoparticle layer successively arranged in the surface of the conductive substrate, the carrier layer is one or more carbides in Cr3C2, WC, W2C, MoC, Mo2C, the metal of the supported metal nanoparticle layer is one or more in Pt, Pd, Au, Ag, Cu.The catalytic electrode of the present application is by the hierarchical structure design of conductive substrate, carbide carrier layer and noble metal / non-noble metal nanoparticle layer, rely on the synergistic effect of carbide carrier and supported metal, both with the strong dissociation water capacity of carbide to provide sufficient hydrogen source for hydrogenation reaction, also utilize the π-complexing capacity of metal to realize the high selectivity adsorption to aromatic compound, simultaneously realize the rapid desorption to alicyclic product.