9 results about "Cinnamic acid ester" patented technology

The invention provides a cyclopentene chromene-cinnamate compound as well as a preparation method and application thereof, and belongs to the technical field of organic synthesis. According to the invention, mangiferin is taken as a guide, and a cyclopentenochromene structure is designed and synthesized from cyclopentenopyrane and a chromene skeleton by using molecular hybridization and skeleton transition strategies. According to the cyclopentenochromene-cinnamate derivative containing the cinnamic acid active fragment, the cinnamic acid fragment with pesticide activity is grafted to the 8-site of cyclopentenochromene, the cyclopentenochromene-cinnamate derivative containing the cinnamic acid active fragment is synthesized, and the obtained compound has good insecticidal activity, bactericidal activity and plant virus resisting activity.

The invention discloses an anti-wrinkle anti-ultraviolet core bast fiber spinning yarn and a preparation method thereof, and relates to the technical field of spinning yarns. When the anti-wrinkle and anti-ultraviolet core bast fiber spinning yarn is prepared, 6-bromine-1-hexyl acrylate and N-methylimidazole react to prepare an alkenyl imidazolium salt monomer; the preparation method comprises the following steps: carrying out a reaction on methyl p-hydroxycinnamate and acryloyl chloride to prepare an alkenyl cinnamate monomer; grafting an alkenyl imidazolium salt monomer and an alkenyl cinnamate monomer onto the pretreated flax fiber to prepare a modified flax fiber; performing blowing, cotton carding, drawing and roving processes on the modified flax fibers to obtain flax roving; converging and twisting the rough flax yarn and the polyester filament yarn to obtain core flax yarn; and finishing the core hemp yarn with 1, 6-hexamethylenediamine and coumarin-7-carboxylic acid in sequence to obtain the anti-wrinkle and anti-ultraviolet core hemp spun yarn. The anti-wrinkle and anti-ultraviolet core bast fiber spinning yarn prepared by the invention has the advantages of ultraviolet prevention and bacteria resistance.

Provided are a capsule and hollow particles based on particles formed from a glycopolymer containing glucose units in which at least one hydroxyl group is esterified with cinnamic acid to form a cinnamic acid ester (-OCO-CH = CH-C6H5).

The present invention relates to a combination of the following active ingredients: c) in cosmetic excipients a) one or more alkylamide thiazoles and b) diethylhexyl clove subunit malonates.

This invention discloses a photosensitive resin composition for use as an alignment agent, the composition comprising: (A) a dianhydride monomer containing a photosensitive group, wherein the photosensitive group is selected from at least one of cinnamate, chalcone, anthracene, coumarin, or benzophenone; (B) a hydrogen donor diamine monomer; and (C) an aliphatic diamine monomer. This invention uses a self-initiating photosensitive resin composition to replace formulation systems relying on exogenous photoinitiators, introducing long alkyl chains into the polyimide molecular chain, which are complementary to the liquid crystal molecular structure, enhancing the interfacial anchoring energy, stabilizing the liquid crystal pretilt angle, and thus maintaining a stable display response time.

The invention relates to the technical field of cosmetics, in particular to moisturizing glaze cream with modifying, repairing and brightening effects and a preparation method of the moisturizing glaze cream. The moisturizing glaze paste is prepared from the following raw materials: a phase A1, a phase A, a phase B, a phase C, a phase D and a phase E, the phase A1 comprises a hydrogenated (styrene / isoprene) copolymer, pentaerythritol tetra (bis-tert-butyl hydroxy hydrocinnamic acid) ester, octyldodecanol and hydrogenated polyisobutene; and the phase B comprises the following raw materials: castor seed oil, hydrogenated castor oil, butyrospermum parkii butter, hydrogenated decene dimer, an ethylene / propylene / styrene copolymer and polyisobutene. The moisturizing glaze cream prepared by the invention can realize 8-hour long-acting moisturizing, has the effects of'glaze 'bright gloss and natural modification, is smooth and easy to smear, regular in forming, stable in performance and high in safety, is suitable for most skin types, and meets the comprehensive requirements of consumers on'modification-moisturizing-repairing-gloss' of beauty makeup products.

This invention provides a novel film for preparing air column bags and its preparation method. The film has an A / B / A three-layer co-extrusion structure with a total thickness of 80-120 μm. By weight, the A layer raw materials include: 45-55 parts linear low-density polyethylene, 8-12 parts EPDM rubber, 12-18 parts reactive pre-crosslinked hybrid toughening particles, 5-8 parts ionic liquid intercalated modified hydrophobic hydrotalcite, 3-5 parts maleic anhydride-grafted polyethylene, and maleic anhydride-grafted polyglycerol-10-month... The air column bag of this invention comprises 2-4 parts of cinnamic acid ester, 6-10 parts of ethylene-octene copolymer, 0.3-0.6 parts of antioxidant compound, 0.5-1.0 parts of processing aid, and 0.1-0.3 parts of dicyandiamide latent catalyst. By weight, the B layer raw materials include: 60-70 parts of ethylene-vinyl alcohol copolymer, 15-20 parts of polyamide, 8-12 parts of ionic liquid intercalated modified hydrophobic hydrotalcite, 5-8 parts of maleic anhydride grafted ethylene-vinyl alcohol copolymer, and 0.2-0.4 parts of antioxidant. The air column bag of this invention is made of an A / B / A three-layer co-extruded film, possessing excellent mechanical properties, puncture resistance, barrier properties, weather resistance, and interlayer bonding properties, exhibiting outstanding overall performance.

This invention discloses a squalane lip essence oil and its preparation process, comprising the following raw material components: Phase A: tridecyl trimellitate; diisostearyl malate; ethylhexyl palmitate; 972 hydrogen powder; Phase B: glyceryl behenate / eicosadecanate; polyisobutylene; Phase C: hydrogenated (styrene / isoprene) copolymer / pentaerythritol tetra(bis-tert-butylhydroxyhydrogenated cinnamic acid) ester; plant squalane; camellia seed oil; shea butter; avocado oil; baobab oil; comfrey oil; vitamin E acetate; Phase D: pigment; The lip essence oil of this invention can significantly moisturize and nourish, and has repairing, anti-inflammatory and soothing effects on the lip skin.

The application discloses flavonoid compounds with neuroprotective activity, and a preparation method and application thereof, and particularly relates to four specific ester derivatives of formononetin, namely, an allyl carbonate derivative (compound A), a 2-chlorobenzoic acid ester derivative (compound B), a cinnamic acid ester derivative (compound C), and a propionic acid ester derivative (compound D). The application significantly improves the defects of the parent compound, such as poor liposolubility, low blood-brain barrier permeability and low bioavailability, through specific ester group modification. Experiments show that the lipid-water partition coefficients and bioavailability of the four types of derivatives are significantly improved compared with the parent compound. In addition, the four types of derivatives show better neuroprotective activity than the parent compound and a positive control drug in Alzheimer's disease and Parkinson's disease models, and show a synergistic effect between the parent compound and the modification group. The application further provides a preparation method of the above compounds and application of the above compounds in preparation of drugs for treating neurodegenerative diseases.