144 results about "Hexamethyldiamine" patented technology

A first variant of an adhesive composition for making a lignocellulosic composite includes soy protein and / or lignin; at least one substantially formaldehyde-free curing agent that includes at least one amine, amide, imine, imide, or nitrogen-containing heterocyclic functional group that can react with at least one functional group of the soy protein; and at least one compound selected from a boron compound, a group IA oxide or hydroxide, or a group IIA oxide or hydroxide. A second variant of an adhesive composition includes a first component selected from soy protein and / or lignin; and at least one substantially formaldehyde-free curing agent selected from a reaction product of epichlorohydrin with ethylenediamine, a reaction product of epichlorohydrin with bis-hexamethylenetriamine, or a reaction product of epichlorohydrin with hexamethylenediamine.

The present invention provides a layered composite, which includes the following layers: (I) a layer I composition including: (a) from 0 to 80 part by weight of at least one polyamide selected from the group including PA6, PA66, PA6 / 66 and mixtures thereof; (b) from 0 to 100 parts by weight of at least one polyamine-polyamide copolymer that includes the following monomer units: (α) from 0.5 to 25% by weight, based on the weight of the polyamine-polyamide copolymer, of at least one polyamine having at least 4 nitrogen atoms and having a number-average molar mass Mn of at least 146 g / mol, and (β) at least one polyamide-forming monomer selected from the group including lactam, ω-aminocarboxylic acid, equimolar combination of diamine and dicarboxylic acid, and mixtures thereof; and (c) from 0 to 80 parts by weight of at least one polyamide selected from the group including PA11, PA12, PA612, PA1012, PA1212 and wherein, in the layer I, a total of the parts by weight of (a), (b) and (c) is 100; wherein within an entirety of (a) and (b), at least 20 parts by weight of the entirety include monomer units selected from the group including caprolactam, combination of hexamethylenediamine / adipic acid, and mixtures thereof; and wherein within an entirety of (b) and (c), at least 20 parts by weight of the entirety include monomer units selected from the group including ω-aminoundecanoic acid, laurolactam, combination of hexamethylenediamine / 1,12-dodecanedioic acid, combination of 1,10-decanediamine / 1,12-dodecanedioic acid, combination of 1,12-dodecanediamine / 1,12-dodecanedioic acid, and mixtures thereof; and (II) a layer II composition which includes at least one ethylene-vinyl alcohol copolymer.

Methods for producing biosourced dodecanedioic acid and compositions comprising biosourced dodecanedioic acid are provided. In some embodiments, the method comprises first forming muconic acid biologically from a renewable carbon source, reducing the muconic acid to hexenedioic acid, and then reacting the hexenedioic acid with an unsaturated fatty acid, typically a Delta9 unsaturated fatty acid, in a metathesis reaction to produce dodecenedioic acid. Dodecenedioic acid is then reduced to dodecanedioic acid. Dodecanedioic acid is can be used to form polymers, such as polyamides. Examples of polyamides include nylon, such as nylon 6,12. Nylon 6,12 can be formed by reacting dodecanedioic acid with 1,6-hexamethylene diamine.

Provided is a powdered solid cosmetic that lasts well and is excellent at preventing makeup running and oily shininess. Said powdered solid cosmetic is characterized by containing: a powder component; an oil-based component that serves as a binder; and a mixture of hexamethylenediamine and bis(aminomethyl)cyclohexane which has been amidated in hydrogenated castor oil fatty acid, resulting in an amide mixture. The amide mixture preferably constitutes 1.0-15% by mass of the cosmetic. As a powder component, spherical poly(metha)acrylate particles are preferably included, constituting 1-20% by mass of the cosmetic. An organically-denatured clay mineral is preferably included such that the mass thereof and the mass of the amide mixture total 1.0-15% of the total mass of the cosmetic. As a powder component, a powder treated by a fluorine compound is preferably included, constituting 5-97% by mass of the cosmetic.

The present invention relates to a process for the enzymatic hydrolysis of polyamides 6.6 to give adipic acid monomers and hexamethylenediamine monomers. The present invention further relates to an enzyme with amidase activity particularly towards substrates of the oligomer type derived from PA 6.6 and / or PA 6, said enzyme being characterized in that it consists of a peptide sequence corresponding to SEQ ID NO: 1 in the attached sequence listing and / or at least one polypeptide homologous to this sequence. The invention further relates to the DNA coding for said enzyme and to the biological precursors thereof The invention further relates to the microorganisms capable of producing this enzyme and to the hydrolysis process in which this enzyme and / or these microorganisms are applied.

The present invention relates to a silver-coated copper nanowire and a preparation method therefor and, more specifically, is characterized by synthesizing a copper nanowire through a chemical method by using piperazine (C4H10N2) and / or hexamethylenediamine (C6H16N2), which are novel copper capping agents, and then coating the same with silver by using a chemical plating method in order to prevent the oxidation of the copper nanowire.

The inventions relate to antiseptic agents and the method for producing thereof and can be used as a broad-spectrum disinfectant in medicine, veterinary medicine, agriculture etc.The method for producing of biocidal polyguanidine that comprises condensation polymerization of hexamethylenediamine with guanine salt additionally uses hydrazine hydrate during the condensation polymerization process, at the following ratio of components, mass %:hexamethylenediamine 20-55guanidine salt 25-65hydrazine hydrate the rest.Biocidal polyguanidine obtained by means of the abovementioned method, with the following formula:wheren—the number of links A in a single unit of the polymer chain, n=1-3;m—the number of links B in a single unit of the polymer chain, m=2-10;z—the number of single units in the polymer chain, z=4-20;Acid—an acid.The inventions allow obtaining a biocidal polyguanidine with high level of broad-spectrum antimicrobial activity.

The present invention relates to a polyamide resin composition comprising 99 to 80 parts by weight of a polyamide base resin and 1 to 20 parts by weight of a triazine-based flame retardant, said polyamide base resin having constituting units comprising (a) polyamide 6 constituting units comprising a polycondensate of epsilon -caprolactam and (b) two or more kinds of polyamide constituting units comprising a polycondensate of hexamethylenediamine and a dicarboxylic acid having a carbon number of 6 to 11.