An alkoxysilyl group-containing organic silazane compound having an average composition represented by formula (1) below: ##STR00001##
wherein R.sup.1 is a monovalent hydrocarbon group, R.sup.2 is a divalent hydrocarbon group, Y is a group represented by formula (6) or (7) below: ##STR00002##
wherein R.sup.3, R.sup.4, and R.sup.6 are a monovalent hydrocarbon group, X is an oxygen atom or a divalent hydrocarbon group, p is an integer of 0 to 9, and n is 0, 1, or 2, R.sup.5 is a monovalent hydrocarbon group, m is 0 or 1, r is 0, 1, or 2, and a and b are numbers which satisfy 0<a≤1, 0≤b<1, and a+b=1.

An alkoxysilyl group-containing organic silazane compound having an average composition represented by formula (1) below: ##STR00001##
wherein R.sup.1 is a monovalent hydrocarbon group, R.sup.2 is a divalent hydrocarbon group, Y is a group represented by formula (6) or (7) below: ##STR00002##
wherein R.sup.3, R.sup.4, and R.sup.6 are a monovalent hydrocarbon group, X is an oxygen atom or a divalent hydrocarbon group, p is an integer of 0 to 9, and n is 0, 1, or 2, R.sup.5 is a monovalent hydrocarbon group, m is 0 or 1, r is 0, 1, or 2, and a and b are numbers which satisfy 0<a≤1, 0≤b<1, and a+b=1.

A curable organosilicon resin composition includes; (A) an organopolysiloxane having a resin structure containing 10 to 60 mol % of an R.sup.1SiO.sub.3/2 unit, 30 to 80 mol % of an (R.sup.2).sub.2SiO.sub.2/2 unit, and 1 to 30 mol % of an (R.sup.3).sub.3SiO.sub.1/2 unit. At least a part of the (R.sup.2).sub.2SiO.sub.2/2 unit is in continuous repeating units with the average number of the repeating units being 3 to 80. The organopolysiloxane has a weight average molecular weight of 5,000 to 50,000; the amount of the hydroxy groups bonded to silicon atoms is 0.001 to 1.0 mol/100 g; and the amount of the alkoxy groups, each having 1 to 10 carbon atoms, bonded to silicon atoms is 1.0 mol/100 g or less. A curable organosilicon resin composition has excellent workability, can give a cured product rapidly, and can make the cured product excellent in mechanical properties, heat resistance, crack resistance, and adhesive property, the surface tackiness being suppressed.

The present invention relates to the formation of silazane coatings. The invention provides a polysilazane coating method for limiting fragmentation of polysilazane and an assembly for performing said polysilazane coating method for limiting fragmentation of polysilazane.

The present invention relates to the formation of silazane coatings. The invention provides a polysilazane coating method for limiting fragmentation of polysilazane and an assembly for performing said polysilazane coating method for limiting fragmentation of polysilazane.

A black photosensitive resin composition comprising (A) an acid crosslinkable group-containing silicone resin, (B) carbon black, and (C) a photoacid generator is coated onto a substrate to form a photosensitive resin coating which has improved reliability with respect to adhesion and crack resistance, resolution and flexibility while maintaining satisfactory light shielding properties.

A black photosensitive resin composition comprising (A) an acid crosslinkable group-containing silicone resin, (B) carbon black, and (C) a photoacid generator is coated onto a substrate to form a photosensitive resin coating which has improved reliability with respect to adhesion and crack resistance, resolution and flexibility while maintaining satisfactory light shielding properties.

The present invention relates to processes for making macromolecular networks, macromolecular networks made by such processes, and methods of using such macromolecular networks to make materials such as ceramics. The macromolecular network's formation rate is controlled by using two species of reactants each of which comprised one functionality. This results in decreased macromolecular network processing costs and superior products.

A preceramic resin formulation comprising a polycarbosilane preceramic polymer and an organically modified silicon dioxide preceramic polymer. A ceramic material comprising a reaction product of the polycarbosilane preceramic polymer and organically modified silicon dioxide preceramic polymer is also described. Articles comprising the ceramic material are also described, as are methods of forming the preceramic resin formulation and the ceramic material.

A preceramic resin formulation comprising a polycarbosilane preceramic polymer and an organically modified silicon dioxide preceramic polymer. A ceramic material comprising a reaction product of the polycarbosilane preceramic polymer and organically modified silicon dioxide preceramic polymer is also described. Articles comprising the ceramic material are also described, as are methods of forming the preceramic resin formulation and the ceramic material.