Abstract:
Die Erfindung betrifft einen lebensmittelverträglichen Hochtemperaturschmierstoff, insbesondere ein Hochtemperaturöl und ein Hochtemperaturfett umfassend folgende Komponenten: a) mindestens ein Öl ausgewählt aus einem Trimellitsäureester oder einem Gemisch aus verschiedenen Trimellitsäureestern, Alkylaromaten, vorzugsweise ein aliphathisch substituiertes Naphthalin oder Estoliden; b) einem hydrierten oder vollhydrierten Polyisobutylens oder einer Mischung aus hydrierten oder vollhydrierten Polyisobutylen und; c) Additive einzeln oder in Kombination. Im Fall des Hochtemperaturfetts wird ein Verdickungsmittel zugegeben.
Abstract:
The invention relates to a grease composition including a base oil and a thickener that provides hydrophilic metal oxide particles and one or more amides which contain one or more unsaturated C—C bonds and/or at least one OH group. The hydrophilic metal oxide particles have a BET specific surface area of at least 10 m2/g and at least 80% of the hydrophilic metal oxide particles have a particle size in the range of from 5 nm to 900 μm. The amount of the thickener is in the range of from 0.1-40% by weight, based on the total weight of the grease composition. The invention further relates to methods for manufacturing the grease composition, and the use of the grease composition for lubricating bearings, gears and couplings.
Abstract:
The object of the present disclosure is to obtain a filler particle having stable insulation property, and a resin composition, grease and a coating composition comprising the same, respectively. Filler particles comprising a composite zinc oxide expressed by the following chemical formula (1): €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒZn x M y O€ƒ€ƒ€ƒ€ƒ€ƒ(1) in the formula, M is Mg, Co, Li, K, Na or Cu, and x+ny/2=1 when the valence of M is n.
Abstract:
The object of the present disclosure is to obtain a filler particle having stable insulation property, and a resin composition, grease and a coating composition comprising the same, respectively. Filler particles comprising a composite zinc oxide expressed by the following chemical formula (1):
Zn x M y O (1)
in the formula, M is Mg, Co, Li, K, Na or Cu, and x+ny/2=1 when the valence of M is n.
Abstract:
A grease composition containing: (a) the reaction product of: (i) a calcium containing overbased organic acid; and (ii) at least one acid producing compound or derivatives thereof selected from the group consisting of: (1) a non-polymeric hydrocarbyl substituted dicarbonyl derivative selected from the group consisting of an acid, an ester, a salt, an anhydride, ester-acid, acid-salt and mixtures thereof; (2) a copolymer derived from monomers containing (1) an olefin; and (2) an unsaturated dicarboxylic acid anhydride or derivatives thereof; and (3) an inorganic acid containing about 2 or more acidic hydrogens; and (b) an oil of lubricating viscosity, wherein the overbased calcium sulphonate contains colloidally dispersed calcium carbonate is selected from the group consisting of calcite, vaterite and mixtures thereof. The invention further relates to the process to make the composition and its use in greases to increase water resistance.
Abstract:
The invention provides for a lithium hydroxide composition including lithium hydroxide, a base oil, and a fatty acid salt. The invention also provides for a process for preparing a lithium hydroxide composition including contacting a lithium hydroxide component, a base oil, and a fatty acid component. The invention also provides for a process of using a lithium hydroxide composition for preparing a soap concentrate or a grease.
Abstract:
Provided is a heat conductive silicone grease composition, including: (A) 100 parts by volume of an organopolysiloxane with a specific structure and with a kinematic viscosity at 25°C of 10 to 10,000 mm 2 /s, (B) 0.1 to 50 parts by volume of an alkoxysilane with a specific structure, and (C) 100 to 2,500 parts by volume of a heat conductive filler. The composition exhibits high thermal conductivity, retains excellent fluidity meaning the composition exhibits favorable workability, and is capable of filling fine indentations, thereby reducing contact resistance and providing excellent heat radiation performance. Also, the durability, under conditions of high temperature and high humidity, of the composition is improved, thereby improving the reliability of the composition during actual use. Heat generated by a heat-generating body can be dissipated into a heat-radiating body by sandwiching the composition between the heat-generating body and the heat-radiating body.
Abstract:
Provided is a heat conductive silicone grease composition, including: (A) 100 parts by volume of an organopolysiloxane with a specific structure and with a kinematic viscosity at 25°C of 10 to 10,000 mm 2 /s, (B) 0.1 to 50 parts by volume of an alkoxysilane with a specific structure, and (C) 100 to 2,500 parts by volume of a heat conductive filler. The composition exhibits high thermal conductivity, retains excellent fluidity meaning the composition exhibits favorable workability, and is capable of filling fine indentations, thereby reducing contact resistance and providing excellent heat radiation performance. Also, the durability, under conditions of high temperature and high humidity, of the composition is improved, thereby improving the reliability of the composition during actual use. Heat generated by a heat-generating body can be dissipated into a heat-radiating body by sandwiching the composition between the heat-generating body and the heat-radiating body.
Abstract:
A grease-like silicone composition comprising at least (A) a liquid organopolysiloxane comprising 80 to 96.5 mol% of siloxane units represented by the formula R 2 SiO 2/2 , 1.0 to 10.0 mol% of siloxane units represented by the formula RSiO 3/2 , and 0.25 to 10.0 mol% of siloxane units represented by the formula R 3 SiO 1/2 (in the formulas, R stands for identical or different monovalent hydrocarbon groups) and (B) a thickening agent is disclosed. A grease-like silicone composition can be provided that is capable of containing a large amount of thickening agents and possesses superior heat resistance.
Abstract:
An aluminum nitride powder having the surface treated with an organosilane represented by formula, R I a R II b SiY 4-1-b , and/or a partial hydrolysis condensate thereof to acquire excellent moisture-proof, wherein R I represents a 6-20C alkyl group or a group formed by substituting halogen atom or atoms for part or all of the hydrogen atoms attached to carbon atoms of the 6-20C alkyl group, R II represents a 1-20C hydrocarbon group or a group formed by substituting halogen atom or atoms for part or all of the hydrogen atoms attached to carbon atoms of the 1-20C hydrocarbon group, Y represents a hydrolyzable group, a is an integer of 1 to 3 and b is an integer of 0 to 2, provided that a+b is an integer of 1 to 3; and a thermally conductive grease composition comprising (A) 50-95 weight % of the aforementioned surface-treated aluminum nitride powder and (B) 5 to 50 weight % of at least one base oil selected from the group consisting of liquid silicones, liquid hydrocarbons and fluorohydrocarbon oils, and further, if desired, (C) 0-30 weight % of a thicknener selected from the group consisting of zinc oxide, alumina, boron nitride and silicon carbide powders.
Abstract translation:具有由式R a a B b Si Y 4 -1-b表示的有机硅烷表面处理的氮化铝粉末和/或其部分水解缩合物以获得优异的防湿性,其中R 1表示 6-20C烷基或通过用卤原子或原子取代与6-20C烷基的碳原子连接的部分或全部氢原子形成的基团,R II代表1-20C烃基或基团 通过用1-20个碳原子的碳原子连接的部分或全部氢原子代替卤原子或原子而形成,Y表示可水解基团,a为1〜3的整数,b为0〜2的整数 条件是a + b为1〜3的整数。 和导热性油脂组合物,其包含(A)50-95重量%的上述表面处理的氮化铝粉末和(B)5至50重量%的至少一种基础油,其选自液体硅酮,液体烃 和氟代烃油,并且如果需要,(C)0-30重量%的选自氧化锌,氧化铝,氮化硼和碳化硅粉末的增稠剂。