10 results about "Organoboron compounds" patented technology

The invention provides a catalyst composition containing an organic boron compound. The catalyst composition comprises a non-metallocene catalyst and the organic boron compound. Compared with an existing organic boron catalyst, the organic boron compound in the catalyst composition has the advantage that the solubility of the organic boron compound in alkane is remarkably improved, so that the catalytic activity of the non-metallocene catalyst in the composition can be remarkably improved. And the polymer obtained by catalysis has high molecular weight. In addition, the obtained polymer has proper molecular weight distribution and melting temperature, and has certain commercial application.

This invention proposes a lubricating oil composition for a four-stroke engine specifically designed for unmanned aerial vehicles (UAVs) and its preparation method. The lubricating oil composition for a four-stroke engine of this invention comprises the following components: (A) a nitrogen-containing organoboron compound; (B) an alkyl diphenylamine; (C) polyisobutylene succinimide; (D) sulfonates and / or sulfurized alkylphenol salts; (E) zinc dialkyl dithiophosphate; (F) dialkyl dithiocarbamate; (G) polymethyl methacrylate; and (H) a base oil in a major amount. The structure of the nitrogen-containing organoboron compound is shown in formula (I) and / or formula (II), with the definitions of each group provided in the specification. The lubricating oil composition for a four-stroke UAV engine of this invention exhibits excellent extreme pressure anti-wear, anti-oxidation, and detergency properties, effectively suppressing the increased wear caused by the high power-to-weight ratio and harsh lubrication conditions of four-stroke UAV engines.

The present invention is directed to an one-component (1K) composition comprising, based on the weight of the composition:from 40 to 98 wt. % of a) at least one epoxy resin;from 0.5 to 30 wt. % of b) at least one organoboron compound selected from tetrasubstituted borate salts of monovalent cations of tertiary amines; and,from 0.5 to 30 wt. % of c) at least one (meth)acrylamide monomer of Formula (VII):wherein: Ra is H or Me;G is selected from —NH2, —NHRb and —N(Rb)(Rc);Rb and Rc are independently selected from C1-C18 alkyl, C1-C18 hydroxyalkyl, C1-C18 alkalkoxy, C6-C18 aryl and —(CH2)n —N(Rd)(Re);n is an integer of from 1 to 4; and,Rd and Re are independently selected from H and C1-C6 alkyl.

This invention discloses an organoboron compound, its preparation method, and its uses. The organoboron compound of this invention has the structure shown in formula (Ⅰ): wherein the R group is selected from C1-C6 straight-chain or branched alkylene groups, each R0 group is independently selected from H, C1-C4 straight-chain or branched alkylene groups, x is an integer between 0 and 3, y is an integer between 0 and 3, and the R' group is selected from C1-C4 straight-chain or branched alkylene groups. 30 The compounds contain straight-chain or branched hydrocarbon groups. The organoboron compounds of this invention exhibit excellent antioxidant, anti-wear, and anti-corrosion properties.

This invention provides a liquid one-component (1K) composition comprising, based on the weight of the composition: 10 to 90 wt% of a) at least one epoxy resin; 0.5 to 30 wt% of b) at least one organoboron compound selected from a tetrasubstituted borate of a monovalent tertiary amine cation; 10 to 50 wt% of c) at least one (meth)acrylamide monomer of formula (VII); and 0.05 to 10 wt% of d) at least one free radical photoinitiator, wherein R a H or Me; G is selected from -NH2, -NHR b and -N(R) b (R) c ); R b and R c Independently selected from C1-C 18 Alkyl, C1-C 18 Hydroxyalkyl, C1-C 18 Alkylalkoxy, C6-C 18 Aryl and –(CH2) n –N(R d (R) e ); n is an integer from 1 to 4; and R d and R e It is independently selected from H and C1-C6 alkyl groups.

This invention provides a gasoline engine lubricating oil composition and its preparation method. The gasoline engine lubricating oil composition of this invention comprises the following components: (A) a nitrogen-containing organoboron compound; (B) an alkyl diphenylamine; (C) polyisobutylene succinimide; (D) a sulfonate and / or a sulfurized alkylphenol salt; (E) zinc dihydrodithiophosphate; (F) an organomolybdenum compound; (G) an ethylene-propylene copolymer; and (H) a base oil in a major amount. The structure of the nitrogen-containing organoboron compound is shown in formula (I) and / or formula (II), with the definitions of each group provided in the specification. The gasoline engine lubricating oil composition of this invention exhibits excellent antioxidant, detergency, and dispersing properties, while also demonstrating good anti-wear properties under extreme pressure and lean-oil friction conditions, effectively suppressing engine wear caused by frequent start-stop cycles in hybrid electric vehicles.

This application describes prodrugs of antimicrobial organoboron compounds of Formula I, or salts thereof, and pharmaceutical compositions thereof, as well as methods of using and preparing them.

This invention discloses a method for preparing trans-1,2-polyocimene and its application. The method includes dissolving a rare earth compound, an organoboron compound, and an alkylaluminum compound in an organic solvent in a certain proportion under inert gas protection to obtain a catalyst composition solution; directly adding (E)-β-ocimene to the catalyst composition solution; or dissolving (E)-β-ocimene in an organic solvent to prepare an ocimene solution, and adding the catalyst composition solution to the ocimene solution; mixing the (E)-β-ocimene or the ocimene solution with the catalyst composition solution and reacting at a preset temperature for a period of time, then adding a terminator to terminate the polymerization reaction; after sedimentation and drying, trans-1,2-polyocimene is obtained. The catalyst composition used in this method can catalyze the polymerization of (E)-β-ocimene with high activity and high selectivity to obtain trans-1,2-polyocimene.

This invention provides a hydrogen fuel cell internal combustion engine lubricating oil composition and its preparation method. The hydrogen fuel cell internal combustion engine lubricating oil composition of this invention comprises the following components: (A) a nitrogen-containing organoboron compound; (B) a phenolic ester; (C) polyisobutylene succinimide; (D) salicylates and / or sulfurized alkylphenol salts; (E) zinc dihydrogen dithiophosphate; (F) an ashless friction modifier; (G) polymethyl methacrylate; and (H) a base oil in a major amount. The structure of the nitrogen-containing organoboron compound is shown in formula (I) and / or formula (II), with the definitions of each group provided in the specification. The hydrogen fuel cell internal combustion engine lubricating oil composition of this invention exhibits excellent antioxidant, detergency, dispersing, and anti-wear properties, effectively reducing engine wear caused by emulsification of hydrogen fuel cell internal combustion engine oil due to increased water content.

To suppress the occurrence of cracks in a molded article containing an organic polymer material under a high temperature and high humidity environment.SOLUTION: A crack suppressant for organic polymer materials, comprising an organic boron compound represented by the following formula (1): wherein R1 and R2 each independently represent an alkyl group optionally substituted with an alkanoyloxy group or a hydroxy group, a molecular compound formed from an organic boron compound and an amine compound having a tertiary amino group, or both of them.SELECTED DRAWING: None