176 results about "Farnesene" patented technology

Farnesene interpolymer comprises units derived from a farnesene (e.g., α-farnesene or β-farnesene) and units derived from at least one vinyl monomer. The farnesene interpolymer can be prepared by copolymerizing the farnesene and at least one vinyl monomer in the presence of a catalyst. In some embodiments, the farnesene is prepared from a sugar by using a microorganism. In other embodiments, the at least one vinyl monomer is ethylene, an α-olefin, or a substituted or unsubstituted vinyl halide, vinyl ether, acrylonitrile, acrylic ester, methacrylic ester, acrylamide or methacrylamide, or a combination thereof.

Adhesive composition comprises a polyfarnesene and a tackifier. The polyfarnesene can be a farnesene homopolymer derived from a farnesene (e.g., α-farnesene or β-farnesene) or a farnesene interpolymer derived from a farnesene and at least a vinyl monomer. In some embodiments, the at least one vinyl monomer is ethylene, an α-olefin such as styrene, or a substituted or unsubstituted vinyl halide, vinyl ether, acrylonitrile, acrylic ester, methacrylic ester, acrylamide or methacrylamide, or a combination thereof. The composition disclosed herein can be used as a hot melt adhesive, a pressure sensitive adhesive or the like.

An aqueous organic acid composition containing a terpene as corrosion inhibitor intensifier is especially suitable for use in acidizing subterranean formations and wellbores. The composition substantially reduces the corrosive effects of the acidic solution on metals in contact with the acidic solution. Suitable terpenes include carotene, limonene, pinene, farnesene, camphor, cymene and menthol.

The invention discloses a bacterial strain for producing farnesene and an application of the bacterial strain, belonging to the field of synthetic biology. The bacterial strain for producing the farnesene contains related genes for synthesizing the farnesene through a mevalonic acid pathway and codon optimization; and the sequence of a farnesene synthetic gene afs optimized by codons is as shown by SEQ ID NO.1. The bacterial strain can be used for producing the farnesene, and a seed solution of the bacterial strain is inoculated into a culture medium containing a carbon source to carry out prokaryotic expression to obtain the farnesene. The gene for synthesizing the farnesene is subjected to codon optimization or the farnesene is synthesized by using the mevalonic acid pathway to ensure that each protein is closer to a ratio of AtoB:ERG13:tHMG1:ERG12:ERG8:MVD1:Idi:IspA:AFS=1:10:2:5:5:2:5:2:2, so that the production of the farnesene can be further promoted. By adopting the bacterial strain, the output of the farnesene is greatly improved to be more than 1g/L.

A low viscosity polymer having a linear or branched backbone derived from farnesene monomers and at least one terminal-end functionalized with a hydroxyl group. This polymer may be further hydrogenated to reduce unsaturation and acrylated, such that it may be incorporated into a LOCA composition. The LOCA composition may be used in a laminated screen assembly, such as a touch screen, for electronic devices by adhering the LOCA composition between an optically transparent layer, such as a cover glass, and a display. The cured LOCA composition has a refractive index similar to the optically transparent layer. A method of making the low viscosity polymer for the LOCA composition includes anionically polymerizing farnesene monomers, quenching a living end of the polymer to provide the hydroxyl-terminated polymer; hydrogenating the hydroxyl-terminated polymer; and reacting the at least partially saturated hydroxyl-terminated polymer with at least one reagent to provide an acrylate terminated hydrogenated polymer.

Provided herein are graft copolymers of polyfarnesenes with condensation polymers; and methods of making and using the graft copolymers disclosed herein. The graft copolymers are obtained from the reaction of a polycondensation polymer with a modified polyfarnesene obtained from reaction of a polyfarnesene with a modifier in the presence of a grafting initiator. In certain embodiments, the condensation polymers include polyesters, polycarbonates, polyamides, polyethers, phenol-formaldehyde resins, urea-formaldehyde resins, melamine-formaldehyde resins and combinations thereof. In some embodiments, the polyfarnesenes include farnesene homopolymers derived from a farnesene, and farnesene interpolymers derived from a farnesene and at least a vinyl monomer. In certain embodiments, the farnesene is prepared from a sugar by using a microorganism.

This invention relates to terpene derived compounds and farnesene derived compounds, and to the use of such terpene derived compounds and farnesene derived compounds in lubricants, detergents, dispersants, functional fluids, fuels, polymer compositions, cold flow improvers, and the like.

Provided are methods of preparing polymers, such as polyisoprene, polybutadiene, polypiperylene, polycyclohexadiene, poly-β-farnesene, or poly-β-myrcene, using iron complexes. Also provided are novel iron complexes, pre-catalysts, intermediates, and ligands useful in the inventive polymerization system.

Provided herein are drilling fluids comprising microbial-derived bio-organic compounds, a weighting agent and a viscosifier. In some embodiments, the microbial-derived bio-organic compounds comprise a famesane, a farnesene or a combination thereof. In certain embodiments, the drilling fluid comprises a continuous phase comprising a famesane, a farnesene or a combination thereof; and a discontinuous phase comprising water or an aqueous solution, an emulsifier, a weighting agent and a viscosifier. In other embodiments, the viscosifier is an organophillic clay.

The invention relates to an oriental arborvitae stem borer attractant, which is formed from the preparation of oriental arborvitae extractive and solvent. The main component weight ratio of the oriental arborvitae stem borer attractant is 40 to 55% thujopsene, 10 to 20% cedrol, 6 to 10 % two-table-Alpha-cedrene, 4 to 6% farnesene, 2 to 4% 3-carene and 15 to 30% ethanol. The attractant has the manufacturing method that the cypress fragment added with the proper solvent either ethanol or absolute ethyl ether is extracted in the 70-110 degree temperature. After 1.5 to 2.5 hours cooking and 0.5 to 1 hour condensing, the condensed cream and the crystal are formed, and a solvent and blended is added until in full dissolution. Thus the saturated liquid is made. The supernatant is taken i.e. the attractant liquid. The application method of the invention is characterized in that a special trap is used for pest trapping. The test result shows that the attractant of the invention has an excellent luring effect for pests such as juniper bark borers, cypress bark beetles and so on. The effective time in which each bottle of medical solution maintains is more than 15 days. Not only with high luring activity, but also the invention is pollution free with low cost and simple manufacturing process, which is cost saving, safe, direct, environment friendly and effective.

Provided is a studless winter tire which provides good performance on ice and snow and good abrasion resistance, and suffers little change in hardness and little discoloration on the tire surface. The present invention relates to a studless winter tire including a tread formed from a rubber composition containing a predetermined amount of a farnesene resin obtained by polymerizing farnesene. The present invention relates to a studless winter tire including a tread formed from a rubber composition containing a predetermined amount of at least one myrcene resin selected from the group consisting of myrcene polymers with a Mw of 1,000-500,000, myrcene-butadiene copolymers with a Mw of 1,000-500,000, and myrcene-styrene copolymers with a Mw of 1,000-150,000; and a predetermined amount of a silica with an N₂SA of 40-400 m²/g, the rubber component containing a predetermined amount of a high-cis polybutadiene with a cis content of 95% by mass or more.

The present invention relates to engineering plants to express higher levels than endogenous amounts of terpenoids, such as farnesene. Plants that can be so engineered include those with large carbon stores, such as sweet sorghum and sugar cane.

Provided herein are polyfarnesenes such as farnesene homopolymers derived from a farnesene and farnesene interpolymers derived from a farnesene and at least a vinyl monomer; and the processes of making and using the polyfarnesenes. The farnesene homopolymer can be prepared by polymerizing the farnesene in the presence of a catalyst. In some embodiments, the farnesene is prepared from a sugar by using a microorganism.

The present invention discloses a cotesia plutellae kurdjumov attractant and a preparation method thereof, wherein liquid paraffin is adopted as a solvent, and 100 mul/ml benzaldehyde, farnesene, phenylacetonitrile, cis-3-hexenol, trans-2-hexenal, eucalyptol and nonanal are subjected to the same ratio mixing to obtain the attractant. The attractant is specific component screened from plant volatile substances, and has characteristics of high selectivity and strong targeting property. With the attractant, cotesia plutellae kurdjumov early enters a target prevention and control field, enters a search state, and do not flee so as to enhance host search and attack efficiency, increase parasitism rate, and provide important importance for cotesia plutellae kurdjumov pest controlling effect increase, vegetable field pest management improvement and the like.

The thermoplastic elastomer composition of the present invention is a thermoplastic elastomer composition including a hydrogenated block copolymer (A) and a softening agent (B), the hydrogenated block copolymer (A) being a hydrogenated product of a block copolymer including a polymer block (a) composed of a constitutional unit derived from an aromatic vinyl compound and a polymer block (b) containing 1 to 100% by mass of a constitutional unit (b1) derived from farnesene and 99 to 0% by mass of a constitutional unit (b2) derived from a conjugated diene other than farnesene; a mass ratio of the polymer block (a) and the polymer block (b) [(a)/(b)] being 1/99 to 70/30; 50 mol % or more of carbon-carbon double bonds in the polymer block (b) being hydrogenated; and a content of the softening agent (B) being 20 to 2,000 parts by mass on the basis of 100 parts by mass of the hydrogenated block copolymer (A).

A composition is provided for making a polyurethane that may be incorporated in various products, such as a sealant, a coating, a caulk, an electric potting compound, a membrane, a sponge, a foam, an adhesives, and a propellant binder. The composition includes one or more polyols, one or more isocyanate-group containing compounds having an isocyanate group functionality of at least two, and optionally one or more chain extenders. At least one of the polyols is a farnesene-based polyol having a number average molecular weight less than or equal to 100,000 g/mol and a viscosity at 25° C. less than 10,000 cP. The farnesene-based polyol may be a homopolymer or a copolymer of farnesene. The composition may also comprise additional polyols, such as a polyol of a homopolymer or copolymer of a polydiene. Methods of preparing a polyurethane are also provided.

The invention discloses a phthorimaea operculella zell attractant comprising the following components in parts by volume: 8-10 parts of alcohol compound, 0.5-1.5 parts of ester compound, 2-3 parts of aldehyde compound, 1-3 parts of terpene compound and 0.1-0.5 part of other compound, wherein the alcohol compound is any one of 1,8-eucalyptol and palustrol; the ester compound is any one of methyl jasmonate, anti-4, cis-7-C13 diene acetate and anti-4, cis-7, 10-C13 triene acetate; the aldehyde compound is any one of heptaldehyde, octyl aldehyde and nonaldehyde; the terpene compound is any one of limonene, phellandrene, terpinene, caryophyllene, pinene, elemene, ocimene, germacrene, farnesene and isolongifolene; and the other compound is any one of nicotine, solanone, norsolandione and para-cymene. The attractant is environment-friendly, does not injure natural enemies of pests and has remarkable attracting effect on phthorimaea operculella zell adults.

A tackifying resin includes a farnesene-based polymer having monomeric units derived from a farnesene monomer and one or more optional comonomers selected from the group consisting of dienes, branched mono-olefins, and vinyl aromatics and has a softening point greater than or equal to 80 degrees Celsius. A method of making the farnesene-based polymer includes combining a farnesene monomer and a solvent and optionally adding one or more comonomers selected from the group consisting of dienes, branched mono-olefins, and vinyl aromatics, to provide a monomer feed, and polymerizing the monomer feed by combining the monomer feed with a Friedel-Crafts catalyst in a vessel. The tackifying resin may be combined with an elastomer to form a hot melt adhesive composition.

The invention discloses salicylic acid trans-(beta)-farnesene analogues as well as a preparation method and an application thereof, and belongs to the field of organic compound synthesis. The compound as shown in a formula I in the specification is obtained by the following steps of: mixing salicylic acid and analogues of salicylic acid, geraniol, geranylamine or substituted geranylamine serving as raw materials with an organic solvent, carrying out condensation reaction to obtain the salicylic acid trans-(beta)-farnesene analogues with different substitutes, and carrying out silica-gel column chromatography separation and purification. The preparation method of the compound as shown in the formula I has the advantages of mild reaction, simple and easy operation, relatively high yield and relatively low cost; and the compound is more stable than trans-(beta)-farnesene. The compound as shown in the formula I has multiple biological activities, relatively good killing activity to aphids at high dose, warning repellant activity to aphids at low dose, tobacco mosaic virus resisting activity and bactericidal activity, can be used for pest control and disease prevention in the agricultural production, and has relatively high application and development value.