Patent classifications
C08L83/08
SILICON-CONTAINING COMPOSITION AND METHOD OF PRODUCING SEMICONDUCTOR SUBSTRATE
A silicon-containing composition includes a polysiloxane compound and solvent. The polysiloxane compound includes a fluorine atom and a group including an ester bond. The polysiloxane compound preferably includes a first structural unit represented by formula (1), and a second structural unit represented by formula (2). X represents a monovalent organic group having 1 to 20 carbon atoms and comprising a fluorine atom; R.sup.1 represents a halogen atom, a hydroxy group, or a monovalent organic group having 1 to 20 carbon atoms; Y represents a monovalent organic group having 1 to 20 carbon atoms and comprising an ester bond; and R.sup.2 represents a halogen atom, a hydroxy group, or a monovalent organic group having 1 to 20 carbon atoms.
##STR00001##
Coating Formulations
Provided herein are coating formulations useful for endowing substrates with hydrophobic, superhydrophobic, and/or oleophobic properties and methods of use thereof. The coating formulation can include alkylalkoxysilane, 1H,1H,2H,2H-perfluorooctyltriethoxysilane, nano-SiO.sub.2, a crosslinking additive, and at least one solvent.
Coating Formulations
Provided herein are coating formulations useful for endowing substrates with hydrophobic, superhydrophobic, and/or oleophobic properties and methods of use thereof. The coating formulation can include alkylalkoxysilane, 1H,1H,2H,2H-perfluorooctyltriethoxysilane, nano-SiO.sub.2, a crosslinking additive, and at least one solvent.
CROSSLINKABLE COMPOSITIONS BASED ON ORGANOSILICON COMPOUNDS
A crosslinkable composition is based on organosilicon compounds that include
(A) organopolysiloxanes of the formula (I), the formula (I) being (R.sup.7O).sub.3-aSiR.sup.3.sub.aO(SiR.sup.4.sub.2O).sub.nSiR.sup.3.sub.a(OR.sup.7).sub.3-a, and
(B) siloxanes of the formula (II), the formular (II) being
##STR00001##
with the proviso that the sum of all x in formula (II) is greater than 0.
THERMALLY-CONDUCTIVE CURABLE COMPOSITION
The present disclosure relates to a curable composition comprising: a) a base component comprising a cationically self-curable silicone-based oligomeric compound; b) a curing system for the cationically self-curable silicone-based oligomeric compound; and c) a thermally-conductive filler. According to another aspect, the present disclosure is directed to method of manufacturing a curable composition. In yet another aspect, the disclosure relates to the use of a thermally-conductive curable composition for industrial applications, in particular for thermal management applications in the automotive industry.
THERMALLY-CONDUCTIVE CURABLE COMPOSITION
The present disclosure relates to a curable composition comprising: a) a base component comprising a cationically self-curable silicone-based oligomeric compound; b) a curing system for the cationically self-curable silicone-based oligomeric compound; and c) a thermally-conductive filler. According to another aspect, the present disclosure is directed to method of manufacturing a curable composition. In yet another aspect, the disclosure relates to the use of a thermally-conductive curable composition for industrial applications, in particular for thermal management applications in the automotive industry.
Room-temperature-curable organopolysiloxane composition, structure, and method for assessing cured state of said composition
A room-temperature-curable organopolysiloxane composition; a structure obtained from the composition; and a method for assessing the cured state of the composition are provided. The room-temperature-curable organopolysiloxane composition, which changes in color with the progress of curing from the uncured state, comprises the following ingredients: (A) 100 parts by mass of one or more organopolysiloxanes represented by formula (1)
HO(SiR.sub.2O).sub.nH (1)
and/or formula (2) ##STR00001##
(with variables as defined herein); (B) 0.1-50 parts by mass of an organosilicon compound having at least three silicon-atom-bonded hydrolyzable groups in the molecule, which is not any of ingredients (A), (C), and (D), and/or a product of the partial hydrolytic condensation of the organosilicon compound; (C) 0.01-20 parts by mass of a curing catalyst; (D) 0.1-10 parts by mass of a silane coupling agent; and (E) 0.01-10 parts by mass of a pH indicator.
Room-temperature-curable organopolysiloxane composition, structure, and method for assessing cured state of said composition
A room-temperature-curable organopolysiloxane composition; a structure obtained from the composition; and a method for assessing the cured state of the composition are provided. The room-temperature-curable organopolysiloxane composition, which changes in color with the progress of curing from the uncured state, comprises the following ingredients: (A) 100 parts by mass of one or more organopolysiloxanes represented by formula (1)
HO(SiR.sub.2O).sub.nH (1)
and/or formula (2) ##STR00001##
(with variables as defined herein); (B) 0.1-50 parts by mass of an organosilicon compound having at least three silicon-atom-bonded hydrolyzable groups in the molecule, which is not any of ingredients (A), (C), and (D), and/or a product of the partial hydrolytic condensation of the organosilicon compound; (C) 0.01-20 parts by mass of a curing catalyst; (D) 0.1-10 parts by mass of a silane coupling agent; and (E) 0.01-10 parts by mass of a pH indicator.
WEATHERABLE AND DURABLE COATING COMPOSITIONS
A curable coating composition is provided having multi-functionalized acrylic copolymer and amino-functional silicone resin curing agents. The acrylic copolymer of the curable coating composition has, in polymerized form, epoxy functionalized groups and cure compatibility groups and the amino-functional silicone resin is an alkoxy functional siloxane, which optionally is derived from sterically hindered alcohol-amine precursor moieties. The coating compositions are useful in the field of superior weatherable and durable coatings and are useful to replace isocyanate-containing polyurethane based coatings. Also provided are coated articles produced from the curable composition.
WEATHERABLE AND DURABLE COATING COMPOSITIONS
A curable coating composition is provided having multi-functionalized acrylic copolymer and amino-functional silicone resin curing agents. The acrylic copolymer of the curable coating composition has, in polymerized form, epoxy functionalized groups and cure compatibility groups and the amino-functional silicone resin is an alkoxy functional siloxane, which optionally is derived from sterically hindered alcohol-amine precursor moieties. The coating compositions are useful in the field of superior weatherable and durable coatings and are useful to replace isocyanate-containing polyurethane based coatings. Also provided are coated articles produced from the curable composition.