Abstract: Organosilicone polymers are provided containing monofunctional units (R).sub.3 SiO.sub.1/2 and reoccurring difunctional units (R)(Q)SiO.sub.2/2 and (R)(E)SiO.sub.2/2, as essentially the sole types of units or in combination with reoccurring difunctional dialkylsiloxy units, R.sub.2 SiO.sub.2/2, where R of said units is alkyl, Q is --O--R.degree.--CN or --R.degree.--CN, R.degree. being bivalent alkylene, and E is a polyoxyalkylene block, at least 75 weight percent of the oxyalkylene content of the polymers being constituted of oxyethylene and the mole ratio of the (R).sub.3 SiO.sub.1/2 :(R).sub.2 SiO.sub.2/2 :(R)(Q)SiO.sub.2/2 :(R)(E)SiO.sub.2/2 units being about 2:0-20:2-20:2-30, provided the combined weight of said units is constituted, on the average, of from about 50 to about 85 weight percent of said polyoxyalkylene blocks (E).

Abstract: Linear siloxane-polyoxyalkylene (AB).sub.n block copolymers having an average molecular weight of at least about 30,000, compositions of polyurethane-forming froths containing said copolymers, the curable froths produced from said compositions, methods for utilizing said froths as well as the cured foams and articles produced therefrom, said froths having utility in the production of molded polyurethane foam articles, foam backings for carpeting and fabrics, coatings for wire, cable and other articles, small cavity encapsulations, and the like.

Abstract: Linear siloxane-polyoxyalkylene (AB).sub.n block copolymers having an average molecular weight of at least about 30,000, compositions of polyurethane-forming froths containing said copolymers, the curable froths produced from said compositions, methods for utilizing said froths as as well as the cured foams and articles produced therefrom, said froths having utility in the production of molded polyurethane foam articles, foam backings for carpeting and fabrics, coatings for wire, cable and other articles, small cavity encapsulations, and the like.

Abstract: Organosilicone compositions are provided which comprise polysiloxane-polyoxyalkylene copolymers containing monofunctional siloxy units (M.sub.o) and difunctional siloxy units (D.sub.o), an average of between about 2 and about 100 silicon-bonded morpholino-bearing groups (Q) for every two moles of M.sub.o and an average of between 2 and about 30 silicon-bonded, organic-capped polyoxyalkylene blocks (E) for every two moles of M.sub.o, the monofunctional units encompassed by M.sub.o having at least two alkyls bonded to the respective silicon atoms thereof and the difunctional units encompassed by D.sub.o having at least one alkyl bonded to the respective silicon atoms thereof, the remaining organic group bonded to silicon of said monofunctional and difunctional siloxy units being alkyl, Q or E. The polymers of the invention find particular application in the manufacture of cellular urethane products including flame-retarded urethane foam.

Abstract: A particular class of morpholino-bearing polyalkylsiloxanes are provided which consist essentially of: (1) monofunctional siloxy units (M.degree.) the respective silicon atoms of which have two alkyls bonded thereto, the third silicon-bonded organic group being alkyl or Q where Q is morpholinoalkyl- or morpholinoalkoxyalkyl; (2) an average of from about 0.5 to about 8 moles of difunctional dialkylsiloxy units for every two moles of M.degree.; from zero up to an average of about 8 moles, for every two moles of M.degree., of difunctional monoalkylsiloxy units in which the second organic group bonded to silicon is Q, provided an average of at least about 0.5 and no more than about 8 moles of said silicon-bonded Q groups are present in the siloxanes for every two moles of M.degree..

Abstract: Organosilicone polymers are provided which comprise polysiloxane-polyoxyalkylene block copolymers wherein the polysiloxane blocks are trialkylsiloxyendblocked and contain reoccurring difunctional dialkylsiloxy monomeric units in combination with reoccurring difunctional cyanoalkyl-alkylsiloxy or cyanoalkoxyalkylsiloxy monomeric units, the mol ratio of the dialkylsiloxy units to the cyano-substituted siloxy units being about 10-200:3-100, and wherein the polysiloxane and polyoxyalkylene blocks are joined through an Si--C or an Si--O--C linkage, and from about 20 to about 65 weight per cent of the oxyalkylene units of the polyoxyalkylene blocks are constituted of oxyethylene units. The block copolymers of the invention are effective stabilizers of flexible polyether polyolbased polyurethane foams and offer particular advantage in the formation of flame-retarded foams.

Abstract: A particular class of tertiary alcohol substituted organosilicone polymers are provided which comprise chemically combined monofunctional siloxy units (M.sub.o) and difunctional siloxy units (D.sub.o) and, for every two moles of M.sub.o, an average of from about two to about 100 silicon-bonded tertiary alcohol groups (Q) and an average of from about 2 to about 30 silicon-bonded E.degree. groups where E.degree. is hydrogen or a polyoxyalkylene block (E). When E.degree. is hydrogen, the polymers are tertiary alcohol-substituted polyalkylsiloxane hydrides and, when E.degree. is E, the polymers are tertiary alcohol-substituted polyalkylsiloxane-polyoxyalkylene copolymers. The monofunctional siloxy units encompassed by M.sub.o have at least two alkyls bonded to the respective silicon atoms thereof and the difunctional siloxy units encompassed by D.sub.o have at least one alkyl bonded to the respective silicon atoms thereof, the remaining group bonded to silicon of said M.sub.o and D.sub.

Abstract: Organosilicone compositions are provided which comprise polysiloxane-polyoxyalkylene copolymers containing monofunctional siloxy units and difunctional siloxy units, an average of between about 2 and about 20 silicon-bonded cyano-bearing ether groups for every two moles of monofunctional units, said cyano-bearing ether groups having the formula, --(O).sub.

Abstract: Organosilicone compositions are provided which comprise polysiloxane-polyoxyalkylene copolymers containing monofunctional siloxy units (M.sub.o) and, for every two moles of M.sub.o, an average of between about 10 and about 200 difunctional dialkylsiloxy units, an average of between about 2 and about 100 silicon-bonded cyano-bearing ether groups (Q) having the formula, -(O).sub.q R'OR"CN, wherein q is zero or one, R' is bivalent alkylene of 3 to 8 carbon atoms and R" is bivalent alkylene of 2 to 4 carbon atoms, and an average of between about 2 and about 30 silicon-bonded, organic-capped polyoxyalkylene blocks (E), the polyoxyalkylene content of said copolymers being constituted of between about 20 and about 65 weight percent of oxyethylene units, said M.sub.o units having at least two alkyls bonded to the respective silicon atoms thereof, the remaining organic group of M.sub.

Abstract: Quaternary ammonium salts of chloromethylated silanes or siloxanes which contain at least one[Cl.sup.-R.sub.3 "N.sup.+CH.sub.2 --Ar--(R).sub.n ]radical directly linked to a silicon atom wherein Ar is an arylene radical, wherein R.sub.3 "N taken collectively is a tertiary amine radical and wherein the compounds are useful in conventional silicon applications such as anti-static agents, wetting agents, lubricants, hydraulic fluids, coating resins, elastomers and cationic surfactants.

Abstract: Linear siloxane-polyoxyalkylene (AB).sub.n block copolymers having an average molecular weight of at least about 30,000, compositions of polyurethane-forming froths containing said copolymers, the curable froths produced from said compositions, methods for utilizing said froths as well as the cured foams and articles produced therefrom, said froths having utility in the production of molded polyurethane foam articles, foam backings for carpeting and fabrics, coatings for wire, cable and other articles, small cavity encapsulations, and the like.

Abstract: Organosilicone polymers are provided containing monofunctional units (R).sub.3 SiO.sub.1/2 and reoccurring difunctional units (R)(Q)SiO.sub.2/2 and (R)(E)SiO.sub.2/2, as essentially the sole types of units or in combination with reoccurring difunctional dialkylsiloxy units, R.sub.2 SiO.sub.2/2, where R of said units is alkyl, Q is --O--R.degree.--CN or --R.degree.--CN, R.degree. being bivalent alkylene, and E is a polyoxyalkylene block, at least 75 weight percent of the oxyalkylene content of the polymers being constituted of oxyethylene and the mole ratio of the (R).sub.3 SiO.sub.1/2 :(R).sub.2 SiO.sub.2/2 : (R)(Q)SiO.sub.2/2 :(R)(E)SiO.sub.2/2 units being about 2:0-20:2-20:2-30, provided the combined weight of said units is constituted, on the average, of from about 50 to about 85 weight percent of said polyoxyalkylene blocks (E).

Abstract: Linear siloxane-polyoxyalkylene (AB).sub.n block copolymers having an average molecular weight of at least about 30,000, compositions of polyurethane-forming froths containing said copolymers, the curable froths produced from said compositions, methods for utilizing said froths as well as the cured foams and articles produced therefrom, said froths having utility in the production of molded polyurethane foam articles, foam backings for carpeting and fabrics, coatings for wire, cable and other articles, small cavity encapsulations, and the like.

Abstract: Cyano-ether polyalkylsiloxane hydrides are provided which comprise monofunctional siloxy units and difunctional siloxy units, an average of between about 2 and about 100 silicon-bonded cyano-bearing ether groups for every two moles of monofunctional units, said cyano-bearing ether groups having the formula, --(O).sub.q R'OR"CN, wherein q is zero or one, R' is bivalent alkylene of 3 to 8 carbon atoms and R" is bivalent alkylene of 2 to 4 carbon atoms, and an average of between about 2 and about 30 silicon-bonded hydrogen atoms for every two moles of monofunctional units, said monofunctional units having at least two alkyls bonded to the respective silicon atoms thereof and the difunctional units having at least one alkyl bonded to the respective silicon atoms thereof, the remaining group bonded to silicon of the respective monofunctional and difunctional siloxy units being alkyl, said cyano-bearing ether group or hydrogen.

Abstract: Provided as novel compositions which are especially useful as stabilizers of flame-retarded, flexible polyether polyol-based urethane foam, is an admixture containing from about 10 to about 90 weight percent of Component A and from about 90 to about 10 weight percent of Component B, said percentages being based on the total weight of A and B contained in the admixture, wherein: Component A is a cyano-bearing polysiloxane-polyoxyalkylene copolymer having the average composition,(R).sub.3 SiO[(R).sub.2 SiO].sub.x [(NC-R')(R)SiO].sub.y [(R) (E)SiO].sub.z Si(R).sub.