A method for producing a coated substrate includes applying a photocurable silicon-containing coating film-forming composition to an uneven substrate; and exposing the photocurable silicon-containing coating film-forming composition to light, wherein the photocurable silicon-containing coating film-forming composition comprises a hydrolyzable silane, a hydrolysate thereof, or a hydrolytic condensate thereof, wherein the hydrolyzable silane is a hydrolyzable silane of the following Formula (1):

R.sup.1.sub.aR.sup.2.sub.bSi(R.sup.3).sub.4−(a+b)  Formula (1)

wherein R.sup.1 is a functional group relating to photocrosslinking; R.sup.2 is an alkyl group and is bonded to a silicon atom via an Si—C bond; R.sup.3 is an alkoxy group, an acyloxy group, or a halogen group; a is an integer of 1; b is an integer of 0 to 2; and a+b is an integer of 1 to 3.

A method for producing a coated substrate includes applying a photocurable silicon-containing coating film-forming composition to an uneven substrate; and exposing the photocurable silicon-containing coating film-forming composition to light, wherein the photocurable silicon-containing coating film-forming composition comprises a hydrolyzable silane, a hydrolysate thereof, or a hydrolytic condensate thereof, wherein the hydrolyzable silane is a hydrolyzable silane of the following Formula (1):

R.sup.1.sub.aR.sup.2.sub.bSi(R.sup.3).sub.4−(a+b)  Formula (1)

wherein R.sup.1 is a functional group relating to photocrosslinking; R.sup.2 is an alkyl group and is bonded to a silicon atom via an Si—C bond; R.sup.3 is an alkoxy group, an acyloxy group, or a halogen group; a is an integer of 1; b is an integer of 0 to 2; and a+b is an integer of 1 to 3.

Photocurable adhesion-promoting compositions containing organic titanates and/or organic zirconates and partially reacted alkoxysilanes and the use of the photocurable adhesion-promoting compositions to provide adhesion between metal substrates and an overlying radiation-cured sealant are disclosed.

Photocurable adhesion-promoting compositions containing organic titanates and/or organic zirconates and partially reacted alkoxysilanes and the use of the photocurable adhesion-promoting compositions to provide adhesion between metal substrates and an overlying radiation-cured sealant are disclosed.

A photocurable silicone composition is disclosed. The composition comprises at least one photochromic pigment. The at least one photochromic pigment is selected from the group consisting of 4,4′,4″-methylidynetris(N,N-dimethylaniline), 3,3-bis(p-dimethylaminophenyl)-6-dimethylaminophthalide, 4-4′-benzylidenebis(N,N-dimethylaniline), 2-[(2,4-dinitrophenyl)methyl] pyridine, and combinations thereof. The at least one photochromic pigment is present in an amount of from about 0.001 to about 0.05 mass % of a total amount of the composition. The composition can indicate a cure point thereof by coloring.

A cyclic silazane compound having an alkoxysilyl group, represented by the following general formula (1):

##STR00001##

wherein R.sup.1, R.sup.2, R.sup.5 and R.sup.6 each independently represent an unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms, R.sup.3 represents a divalent hydrocarbon group having 4 to 20 carbon atoms, which may contain a sulfur atom, an ester bond or a urea bond, R.sup.4 represents a hydrogen atom or an unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms, m is 0 or 1, and n is 0, 1 or 2.

A polymer composition that includes a blended resin having a viscosity below 10 pascal-seconds before exposure to actinic radiation is provided. The blended resin includes a first base component that is photocurable, and the first base component includes (i) a first siloxane polymer including a plurality of thiol groups and (ii) a second siloxane polymer including a plurality of functional groups with unsaturated carbon-carbon bond. The blended resin also includes a photoinitiator, a second base component that is condensation curable, and a catalyst. The first base component is configured to polymerize into a primary polymer network and the second base component is configured to polymerize into a secondary polymer network. Furthermore, the primary and secondary polymer networks together form an interpenetrating polymer network.

An organopolysiloxane represented by average empirical formula (1), which gives a rubber composition that renders desired fuel-saving tires possible, the tires being excellent in terms of hardness, tensile property, rolling resistance, and wet gripping.

(R.sup.1).sub.a(R.sup.2).sub.b(OR.sup.3).sub.c(R.sup.4).sub.dSiO.sub.(4-2a-b-c-d)/2  Formula (1):

(In the formula, the R.sup.1 moieties each independently represent a divalent organic group containing a sulfide group, the R.sup.2 moieties each independently represent an aryl group having 6-10 carbon atoms or an aralkyl group having 7-10 carbon atoms, the R.sup.3 moieties each independently represent a hydrogen atom, an alkyl group having 1-20 carbon atoms, an aryl group having 6-10 carbon atoms, an aralkyl group having 7-10 carbon atoms, or an alkenyl group having 2-10 carbon atoms, the R.sup.4 moieties each independently represent an alkyl group having 1-12 carbon atoms, and a, b, c, and d indicate numbers satisfying 0<2a<1, 0<b<1, 0<c<3, 0≤d<1, and 0<2a+b+c+d<4.)

An organopolysiloxane represented by average empirical formula (1), which gives a rubber composition that renders desired fuel-saving tires possible, the tires being excellent in terms of hardness, tensile property, rolling resistance, and wet gripping.

(R.sup.1).sub.a(R.sup.2).sub.b(OR.sup.3).sub.c(R.sup.4).sub.dSiO.sub.(4-2a-b-c-d)/2  Formula (1):

(In the formula, the R.sup.1 moieties each independently represent a divalent organic group containing a sulfide group, the R.sup.2 moieties each independently represent an aryl group having 6-10 carbon atoms or an aralkyl group having 7-10 carbon atoms, the R.sup.3 moieties each independently represent a hydrogen atom, an alkyl group having 1-20 carbon atoms, an aryl group having 6-10 carbon atoms, an aralkyl group having 7-10 carbon atoms, or an alkenyl group having 2-10 carbon atoms, the R.sup.4 moieties each independently represent an alkyl group having 1-12 carbon atoms, and a, b, c, and d indicate numbers satisfying 0<2a<1, 0<b<1, 0<c<3, 0≤d<1, and 0<2a+b+c+d<4.)

A coated wire includes a steel alloy coated with a coating comprising one or more amino alkoxy-modified silsesquioxane compounds selected from the group consisting of an amino alkoxy-modified silsesquioxane, an amino/mercaptan co-alkoxy-modified silsesquioxane, an amino/blocked mercaptan co-alkoxy-modified silsesquioxane, or a salt of one or more thereof. A rubber composition and a process for coating wire is also disclosed.