Provided is a silyl ether-containing sulfonate salt that contains an anion represented by formula (1) and a cation.

##STR00001##

(In the formula, R.sup.1 to R.sup.4 are each independently a C1-4 alkyl group. m is an integer from 1 to 3. n is an integer from 2 to 8.)

A branched organosilicon compound (“compound”) having the general formula (R1).sub.3SiX—NR.sup.2-D-Z(R.sup.7).sub.a is provided. In the formula: each R.sup.1 is selected from R and —OSi(R.sup.4).sub.3, with the proviso that at least one R.sup.1 is —OSi(R.sup.4).sub.3; where each R.sup.4 is selected from R, —OSi(R.sup.5).sub.3, and —[OSiR.sub.2].sub.mOSiR.sub.3; where each R.sup.5 is selected from R, —OSi(R.sup.6).sub.3, and —[OSiR.sub.2].sub.mOSiR.sub.3; where each R.sup.6 is selected from R and —[OSiR.sub.2].sub.mOSiR.sub.3; with the proviso that at least one of R.sup.4, R.sup.5 and R.sup.6 is —[OSiR.sub.2].sub.mOSiR.sub.3; where each R is independently a substituted or unsubstituted hydrocarbyl group; and where 0≤m≤100; each of X and D is an independently selected divalent linking group; each R.sup.2 and R.sup.7 is an independently selected substituted or unsubstituted hydrocarbyl group or H; Z is O or N; and subscript a is the valency of Z. Also provided is a method of preparing the compound and a composition including the compound.

A branched organosilicon compound (“compound”) is provided having the general formula: (R.sup.1).sub.3Si—X—NR.sup.2R.sup.3, where X is a divalent linking group; R.sup.2 is H or R; R.sup.3 comprises an acryloxy moiety; each R.sup.1 is selected from R and —OSi(R.sup.4).sub.3, with the proviso that at least one R.sup.1 is —OSi(R.sup.4).sub.3; where each R.sup.4 is selected from R, —OSi(R.sup.5).sub.3, and —[OSiR.sub.2]mOSiR.sub.3; where each R.sup.5 is selected from R, —OSi(R.sup.6).sub.3, and —[OSiR.sup.2].sub.mOSiR.sub.3; and where each R.sup.6 is selected from R and —[OSiR.sub.2].sub.mOSiR.sub.3, with the proviso that at least one of R.sup.4, R.sup.5 and R.sup.6 is —[OSiR.sub.2].sub.mOSiR.sub.3; 0≤m≤100; and each R is a substituted or unsubstituted hydrocarbyl group. Also provided is a method of preparing the compound, a copolymer comprising the reaction product of the compound and a second compound reactive with the compound, a method of forming the copolymer, and a composition including at least one of the compound and the copolymer.

A method of preparing an acryloxy-functional organosilicon compound is provided. The method comprises reacting (A) an initial (C) a catalyst. The initial organosilicon compound (A) has one alcohol functional group (i.e., is monohydroxyl functional). The catalyst (C) has the formula M[RC(O)CHC(O)R].sub.4, where M is a group IV transition metal and each R is an independently selected substituted or unsubstituted hydrocarbyl group. An acryloxy-functional organo silicon compound prepared by the method is also provided. The acryloxy-functional organosilicon compound is prepared in increased purity, without relying on toxic catalysts.

##STR00001##

Embodiments in accordance with the present invention encompass compositions comprising a soluble photoacid generator, a organopalladium compound, a photosensitizer and one or more olefinic monomers which undergo vinyl addition polymerization when said composition is exposed to a suitable actinic radiation to form a substantially transparent film. The monomers employed therein have a range of optical and mechanical properties, and thus these compositions can be tailored to form films having various opto-electronic properties. Accordingly, compositions of this invention are useful in various applications, including as coatings, encapsulants, fillers, leveling agents, among others.

An organosilicon compound having not more than 200 silicon atoms per molecule is provided. The organosilicon compound is represented by the following average compositional formula (I): Y.sub.aR.sup.1.sub.bSiO.sub.(4-a-b)/2 wherein R.sup.1 is an alkyl group having 1 to 12 carbon atoms, alkenyl group having 2 to 12 carbon atoms, aryl group having 6 to 20 carbon atoms, alkoxy group having 1 to 6 carbon atoms, or a hydroxyl group; Y is a specific acylphosphinate residue; and subscripts a and b are numbers satisfying the following conditions: 0<a≤2, 0<b≤3, and a≤b. The organosilicon compound is compatible with organopolysiloxanes and is useful as a photo-initiator for various types of photo-curable compositions.

A compound represented by the formula (1) is described, which has a linear polysiloxane structure at the end, a polymerizable group at the other end, and a polyether group or a hydrophilic group as a side chain bounded to a linking group which is represented by -(L.sup.1).sub.a-CH-L.sup.2- in the formula (1) and exists between the polysiloxane structure and the terminal polymerizable group. The compound has excellent compatibility with a hydrophilic monomer, and the surface wettability of hydrogel obtained from the compound as a monomer is improved. Methods are also described for preparing the polysiloxane monomer compound, a polymer having a repeating unit derived from the polymerization at the (meth)acryl group of the polysiloxane monomer compound, and an ophthalmic device containing the polymer.

An organopolysiloxane compound represented by average structural formula (1) is capable of imparting an electron beam curable resin with high antistatic properties, while having excellent antistatic performance durability.

##STR00001##

(In the formula, Z represents a single bond or a group having a functionality of 2-20 and containing an organopolysiloxane structure; R.sup.1 represents a single bond, or an unsubstituted or substituted alkylene group having 1-20 carbon atoms; each of R.sup.2 and R.sup.3 represents an unsubstituted or substituted alkyl group having 1-10 carbon atoms, or the like; Y represents a monovalent hydrocarbon group having a polymerizable reactive group; each of p and q represents a number of 1-10, with (p+q) being 2-20 in accordance with the valence of Z; and in cases where Z represents a single bond, p and q represent 1, A.sup.− represents an anion and Q.sup.+ represents a cationic group that is represented by one of formulae (2)-(4)

##STR00002##

(wherein each one of R.sup.4-R.sup.10 represents an alkyl group having 1-20 carbon atoms, or the like; each one of R.sup.11-R.sup.13 represents a hydrogen atom or the like; and * represents a bonding hand).)

An addition reaction-curable silicone emulsion composition containing a water-soluble silane coupling agent (I) and an organopolysiloxane (II) having at least two alkenyl groups in one molecule thereof, where the water-soluble silane coupling agent (I) has at least one group selected from among a succinic anhydride group, a quaternary ammonium group, and a ureido group, and 1 part by mass or more of the water-soluble silane coupling agent (I) is contained relative to 100 parts by mass of the organopolysiloxane (II). This provides: a silicone emulsion composition that gives a cured film adhering well to plastic film substrates regardless of the type, while having suitable release properties regarding adhesives; and a delamination film made by forming a cured film of the silicone emulsion composition.

Disclosed are an active layer composition for a solar cell containing a two-dimensional conjugated polymer that has excellent thermal/chemical stability and may improve power conversion efficiency of an organic solar cell via realization of high open-circuit voltage and short-circuit current, a preparation method of the composition, and an organic solar cell containing the composition. The composition contains a two-dimensional conjugated polymer having a repeating unit represented by a following Chemical Formula 4-2 as an electron donor material:

##STR00001##

where in the Chemical Formula 4-2, n is an integer of 5 to 2000.