Abstract: The invention is a laminate structure made by coating at least one side of a substrate with a laminating adhesive, bringing a coated side of said substrate into contact with a second substrate to form a multi-layer film, and treating said multi-layer film with a free radical initiator, wherein said laminating adhesive is the reaction product of a multifunctional acrylate, an aminofunctional silane, and an ethylenically unsaturated acid, optionally dissolved in a solvent, wherein the multifunctional acrylate has a molecular weight of from 100 to 3000.

Abstract: Polyolefin thermoplastic elastomers are disclosed which are prepared by; (I) mixing (A) a thermoplastic resin comprising more than 50 percent by volume of a polyolefin resin, said thermoplastic resin having a softening point of 23° C. to 300° C.

Abstract: A method for preparing a moisture-curable, virtually telechelic, silyl-functional polyisobutylene is disclosed, said method comprising reacting, in the presence of a Lewis acid, (A) isobutylene; (B) an initiator of the formula (C) a styryl comonomer of the formula wherein R is selected from H or methyl group, R′ is a divalent non-aromatic hydrocarbon group having 1 to 6 carbon atoms, R″ is independently selected from alkyl groups having 1 to 10 carbon atoms or aryl groups having 6 to 10 carbon atoms, R′″ is a divalent non-aromatic hydrocarbon group having 2 to 6 carbon atoms, X is independently a halogen group, Y is halogen and n is independently 1, 2 or 3.

Abstract: Thermoplastic elastomers are disclosed which are prepared by; (I) mixing, (A) a thermoplastic resin comprising more than 50 percent by volume of a polyamide or a polyester resin, (B) a silicone base comprising; (B′) 100 parts by weight of a diorganopolysiloxane gum having a plasticity of at least 30 and having an average of at least 2 alkenyl groups per molecule and (B″) 5 to 200 parts by weight of a reinforcing filler, wherein the weight ratio of said silicone base to said polyamide or polyester resin is from 35:65 to 85:15, (C) a compatibilizer, (D) a radical initiator, present in an amount sufficient to cure said diorganopolysiloxane gum, and optionally (E) a stabilizer, (II) dynamically vulcanizing said diorganopolysiloxanes gum, wherein at least one property of the thermoplastic elastomer selected from tensile strength or elongation is at least 25% greater than the respective property for a corresponding simple blend wherein said diorganopolysiloxane is not cured and said thermopla

Abstract: A process for treating a surface of a substrate to improve the oxygen, carbon dioxide, flavor and odor gas barrier properties of the substrate with an organic acid having at least two acid substituents selected from the group consisting of a polybasic carboxylic acid, a polymer of an unsaturated carboxylic acid and a co-polymer of an unsaturated carboxylic acid, by applying the acid on to the substrate to form a layer, and exposing the layer to moisture. A variety of other types of additives may be included in the coating applied to the substrate with the acid including compounds of the formula RaX3−aSi(CH2)nY, a condensation catalyst, a solvent, and/or a filler.

Abstract: An improved process for the production of organosilicon compounds of the formula (RO)3−mRmSi—Alk—Sn—Alk—SiRm(OR)3−m where R is independently a monovalent hydrocarbon of 1 to 12 carbon atoms, Alk is a divalent hydrocarbon of 1 to 18 carbon atoms; m is an integer of 0 to 2, n is a number from 1 to 8 is disclosed.

Abstract: A method of laminating two substrates by coating at least one side of a substrate with a laminating adhesive, bringing a coated side of the substrate into contact with a second substrate to form a three layer film, and treating the three layer film with a free radical initiator. The laminating adhesive is formed by mixing an ethylenically unsaturated acid, a bis-silane and a polyamine, and the polyamine optionally can have a crosslinker reacted therein.

Abstract: A composition comprising a polyolefin, a polyorganosiloxane having at least two alkenyl groups per molecule, and calcium silicate where the polyorganosiloxane is cured after mixing using an organohydrido silicon compound and a hydrosilation catalyst to create a thermoplastic vulcanizate, provides excellent fire resistance. In particular such compositions when tested by burning at 40 to 88 kW/m2 external flux generate significantly less heat and smoke, and generate tougher chars compared to polyolefins alone, or mixtures of thermoplastic polyolefin resin, polyorganosiloxane and calcium silicate where the composition is not cured after mixing.

Abstract: The reaction products of bis-aminosilanes and phenolic compounds provide improved barrier coating compositions. These compositions are particularly useful to reduce the diffusion of gases through organic polymer packaging materials, such as polypropylene, even in conditions involving high relative humidity.

Abstract: A process of preparing an oxygen barrier coating using a compound of the general formula RaX3−aSi—Z—SiX3−aRa wherein Z is R′NH(R′NH)pR′, each R is selected from the group consisting of a hydrogen atom and a hydrocarbon group, each X is selected from the group consisting of an alkoxy group with 1 to 4 carbon atoms, a halogen atom, an oxime group or an acyloxy group, each R′ is a divalent hydrocarbon group having 1 to 12 carbon atoms; a is from 0 to 3 and p is 0 or 1. The invention further comprises compositions incorporating the above compound. Coatings prepared may be used in packaging applications as a top coat, or a primer for further coatings.

Abstract: The present invention, therefore, relates to a method for preparing a thermoplastic elastomer, said method comprising: (I) mixing (A) a thermoplastic resin comprising more than 50 percent by volume of a polyester resin other than poly(butylene terephthalate), said thermoplastic resin having a softening point of 23° C. to 300° C., (B) a silicone elastomer comprising (B′) 100 parts by weight of a diorganopolysiloxane gum having a plasticity of at least 30 and having an average of at least 2 alkenyl groups in its molecule and, optionally, (B″) up to 200 parts by weight of a reinforcing filler, the weight ratio of said silicone elastomer (B) to said thermoplastic resin (A) being greater than 35:65 to 85:15, (C) 0.

Abstract: The invention relates to a method of laminating two substrates by coating at least one side of a substrate with a laminating adhesive, bringing a coated side of said substrate into contact with a second substrate to form a three layer film, and treating said three layer film with a free radical initiator, wherein said laminating adhesive is formed by mixing an ethylenically unsaturated acid and a polyamine.

Abstract: A process for the production of organosilicon compounds of the formula: (RO)3−mRmSi-Alk-Sn-Alk-SiRm(OR)3−m where R is independently a monovalent hydrocarbon of 1 to 12 carbon atoms; Alk is a divalent hydrocarbon of 1 to 18 carbon atoms; m is an integer of 0 to 2, n is a number from 1 to 10; is disclosed. The process comprises: (A) reacting an alkali metal hydroxide compound, a sulfide compound having the formula M2Sn or MHS, where H is hydrogen, M is ammonium or an alkali metal, n is as defined above,  and sulfur in water to form a polysulfide mixture, (B) reacting said polysulfide mixture with a silane compound of the formula; (RO)3−mRmSi-Alk-X where X is Cl, Br or I, and m is the same as above, in the presence of a phase transfer catalyst. The process provides sulfur containing organosilicon compounds based on phase transfer catalysis techniques that result in a final product composition having greater stability, purity, and appearance.

Abstract: A process for the production of organosilicon compounds of the formula (RO)3−mRmSi—Alk—Sn—Alk—SiRm(OR)3−m where R is independently a monovalent hydrocarbon of 1 to 12 carbon atoms, Alk is a divalent hydrocarbon of 1 to 18 carbon atoms; m is an integer of 0 to 2, n is a number from 1 to 8 is disclosed. The process comprises: (A) reacting sulfur, a phase transfer catalyst, a sulfide compound having the formula M2Sn or MHS, where H is hydrogen, M is ammonium or an alkali metal, n is the same as above,  and water to form an intermediate reaction product; (B) reacting said intermediate reaction product with  a silane compound of the formula; (RO)3−mRmSi—Alk—X  where X is Cl, Br or I, and m is the same as above. The invention provides an improvement process characterized by adding the phase transfer catalyst to the aqueous phase prior to mixing the aqueous phase with the silane compound for the reaction.

Abstract: A method for preparing a thermoplastic elastomer is disclosed, said method comprising (I) mixing (A) a rheologically stable polyamide resin having a melting point or glass transition temperature of 25° C. to 275° C.

Abstract: A method for preparing a thermoplastic elastomer is disclosed, said method comprising (I) mixing (A) a rheologically stable polyamide resin having a melting point or glass transition temperature of 25° C. to 275° C., (B) a silicone base comprising (B′) 100 parts by weight of a diorganopolysiloxane gum having a plasticity of at least 30 and having an average of at least 2 alkenyl radicals in its molecule and (B″) 5 to 200 parts by weight of a reinforcing filler,  the weight ratio of said silicone base to said polyamide resin being greater than 35:65 to 85:15, (C) 0.

Abstract: A process is disclosed for preparing linear hydroxy end-terminated linear siloxanes comprising the steps of; a) mixing chlorosiloxanes having the formula ClR2SiO(R12SiO)xSiR2Cl  where x is an integer having a value from 1-10, each R and R1 is an independently selected monovalent hydrocarbon group, with volatile methyl siloxanes to form a solution of chlorosiloxanes in volatile methyl siloxanes; b) hydrolyzing the solution of chlorosiloxanes in volatile methyl siloxanes to form a hydrolysis mixture of reaction products; c) separating the hydrolysis mixture of reaction products into an aqueous phase and a siloxane phase comprising hydroxy end-terminated linear siloxanes and volatile methyl siloxanes; and d) recovering the hydroxy end-terminated linear siloxanes from the siloxane phase.

Abstract: A novel carbosiloxane dendrimer is disclosed containing a radically polymerizable group in the molecule and which possesses excellent polymerization reactivity. The carbosiloxane dendrimer can be used to provide organic polymers as afforded by the polymerization of the carbosiloxane dendrimer either alone or with other organic monomers. The radically polymerizable group-functional carbosiloxane dendrimer with the general formula (R1 is C1 to C10 alkyl or aryl, R2 is a divalent organic group excluding C1 to C10 alkylene, b is 1 to 3, X1 is a silylalkyl group, and Y is a radically polymerizable group). Also, dendrimer-containing organic polymer as afforded by the polymerization of (A) the aforesaid carbosiloxane dendrimer and (B) radically polymerizable organic monomer.

Abstract: A flame-retardant polyolefin-type resin composition comprising (A) 100 weight parts polyolefin-type resin, (B) 30 to 200 weight parts powder of a hydrated metal compound, and (C) 0.01 to 50 weight parts branched organopolysiloxane with average unit formula RaSiO(4−a)/2 where each R is a selected from the group consisting of monovalent organic groups selected from the group consisting of C1 to C12 alkyl and C6 to C12 aryl and hydroxyl, wherein aryl constitutes from 50 to 100 mole % of the total monovalent organic groups and the hydroxyl content in each molecule is from 1 to 10 weight %, a is a number from 0.75 to 2.5, and the organopolysiloxane contains at least one RSiO3/2 siloxane unit in each molecule, where R is as previously described. The composition is useful as a flame-retardant coating on electrical cables.

Abstract: A colored silicone rubber adhesive film and methods of adhesion by means of the silicone rubber adhesive film are disclosed. The silicone rubber adhesive film comprises (A) an organopolysiloxane; (B) a wet method hydrophobized reinforcing silica; (C) an organohydridopolysiloxane; (D) an azo or anthroquinone pigment, and (E) a curing accelerator. The colored silicone rubber adhesive film is easily handled, possesses excellent workability, and most important, makes it possible to verify the degree and the point of completion of the curing due to the presence of the pigment.