443 results about "Diethyl phthalate" patented technology

PCT No. PCT/FR96/01494 Sec. 371 Date Mar. 26, 1998 Sec. 102(e) Date Mar. 26, 1998 PCT Filed Sep. 25, 1996 PCT Pub. No. WO97/11687 PCT Pub. Date Apr. 3, 1997A novel transdermal matrix system for the percutaneous delivery of a hormone, including a carrier and an adhesive matrix, is disclosed. The matrix includes (a) 39-61 parts by weight of an ethylene/vinyl acetate copolymer, (b) 12-17 parts by weight of 2-octyldodecyl myristate, (c) 5-17 parts by weight of diethyl phthalate, (d) 10-16 parts by weight of a compound selected from N-alkyl-2-pyrrolidones, wherein the alkyl group is a C4-15 group, and (e) 1-12 parts by weight of at least one hormone selected from the group consisting of oestrogenic and progestogenic components. A method for preparing said transdermal matrix system and the therapeutical use of said system are also disclosed.

The present invention discloses, inter alia, a composition useful for producing a hemogeneous, semipermeable membrane, the composition comprising (1) a polysulfone compounds, (2) a solvent, such as sulfolane, antypyrine, δvalerolactam, diethyl phthalate, and mixtures thereof, and (3) a non-solvent, such as poly(ethylene glycol), di(ethylene glycol), tri(ethylene glycol), glycerol, and mixtures thereof. Another aspect of this invention discloses methods for fabricating semipermeable membranes by homogeneously mixing the composition of the polysulfone compound, solvent, and non-solvent, melting the composition, and melt-spinning the molten composition. Another aspect of the present invention includes homogeneous, melt-spun, semipermeable membranes useful for liquid separation processes, such as, but not limited to, microfiltration, ultrafiltration, dialysis, and reverse osmosis.

The invention discloses a biodegradable copolyester compound which comprises the components with the weight percentage as follows: 45 percent to 90 percent of poly butylene succinate, 5 percent to 50 percent of poly lactic acid, 1 percent to 2 percent of plasticizer and 1 percent to 5 percent of filling, wherein, the plasticizer is at least one of dimethyl phthalate and diethyl phthalate; and the filling is at least one of talcum powder, bamboo powder, nanometer calcium carbonate and nanometer titanium-silicon complexing agent. The biodegradable copolyester compound integrates the advantages of various biodegradable materials to ensure that the biodegradable copolyester compound not only has good heat resistance, mechanical performance, processability and aging resistance but also reduces the production cost and develops the application field of the biodegradable material under the precondition of not changing the biodegradability.

The invention relates to a non-ion surface active agent diethyl phthalate, featuring in the material of ortho-phthalic anhydride and carbowax, storing in 75-85deg.C for 3-5 hours, neutralizing PH to 1.5-3.5, and the mole percent of ortho-phthalic anhydride and carbowax being 1: 0.9-1.1. It not only has wide extensive application, and significant in effect in improving solubility of water-soluble dye. It protects environment without generation of wastes, being able to produce with normal equipment and mild in reaction condition. It can keep the solution in normal temperature for 72 hours with even status.

The invention discloses a high-strength tear-resistant modified cable material. The high-strength tear-resistant modified cable material comprises the following raw materials in part by weight: 36-42 parts of polyurethane rubber, 52-56 parts of butadiene-vinylpyridine rubber, 6-9 parts of hydrogenated nitrile rubber, 10-13 parts of nano-cellulose whisker, 1.8-2.2 parts of silane coupling agent A-151, 2-2.5 parts of sulphur, 1.1-1.4 parts of accelerant TMTD (tetramethyl thiuram disulfide), 1.5-1.8 parts of accelerant AC, 7-8 parts of light calcium carbonate, 5-6 parts of modified graphene, 24-28 parts of hard clay, 20-23 parts of mica powder, 2-3 parts of diethyl phthalate DEP, 3-5 parts of epoxy butyl oleate, 2-3 parts of pentaerythritol fatty acid ester, 2.3-2.6 parts of melamine phosphate, 8-11 parts of microencapsulated red phosphorus, 11-14 parts of zinc borate, 1.5-1.8 parts of anti-aging agent ODA and 0.9-1.2 parts of anti-aging agent DFC-34. The invention discloses a preparation method of the high-strength tear-resistant modified cable material.

A stabilized halocyanoacetamide composition in the form of a solution or emulsifiable concentrate using selected ester solvents is disclosed. Preferred ester solvents include glyceryl triacetate, ethyl acetate and diethyl phthalate. Particularly preferred are stabilized compositions containing 2,2-dibromo-3-nitrilopropionamide, glyceryl triacetate and optional non-ionic surfactants or additional antimicrobial compounds, particularly 3-isothiazolone compounds.

The invention discloses a biodegradable copolyester compound which comprises the components with the weight percentage as follows: 45 percent to 90 percent of poly butylene succinate terpolymer, 5 percent to 50 percent of poly lactic acid, 1 percent to 2 percent of plasticizer and 1 percent to 5 percent of filling, wherein, the poly butylene succinate terpolymer is at least one of poly butylene succinate-adipate, poly butylene succinate-terephthalic acid and poly butylene succinate-lactic acid; the plasticizer is at least one of dimethyl phthalate and diethyl phthalate; and the filling is at least one of talcum powder, bamboo powder, nanometer calcium carbonate and nanometer titanium-silicon complexing agent. The biodegradable copolyester compound integrates the advantages of various biodegradable materials to ensure that the biodegradable copolyester compound not only has good heat resistance, mechanical performance, processability and aging resistance but also reduces the production cost and develops the application field of the biodegradable material under the precondition of not changing the biodegradability.

An adhesive system has been developed for orthodontic ceramic brackets which minimizes tooth fracture and makes bracket removal easier and more predictable. The adhesive system makes use of current filled adhesives and a plasticizer (e.g. diethyl phthalate, xylene, etc.). Additions of plasticizer between 10 to 20 weight percent of the adhesive will decrease the adhesion in excess of 50%. This adhesive permits more patient comfort while at the same time allowing for the use of ceramic brackets.

The invention discloses a method of processing dimethyl phthalate- containing waste water and recovering dimethyl phthalate from the waste water, belonging to the field of processing organic pollutant waste water with macroporous resin, passing the waste water through absorption column equipped with resin and making the dimethyl phthalate absorbed on the resin so as to implement effective separation of organic matter; the effluent water after absorption separation can be directly discharged into municipal pipeline network; the resin is regenerated after eluted with methanol or alcohol; the obtained high-concentration dimethyl phthalate alcohol solution is rectified and the recovered methanol or alcohol acts as desorbing agent for the next desorbing operation, and the remaining dimethyl phthalate can be recovered as resources. And it unites waste water processing and resource recovery from waste.

The invention provides a rubber antiskid and abrasion-resistant shoe sole and a preparation method thereof. The rubber antiskid and abrasion-resistant shoe sole is prepared from, by weight, 20-30 parts of butadiene rubber, 40-55 parts of natural rubber, 1-2 parts of sulfur, 4.5-6.5 parts of nano-zinc oxide, 1-3 parts of stearic acid, 0.5-3 parts of vulcanization accelerator DM, 0.5-1.5 parts of nanometer silicon nitride, 40-50 parts of carbon black, 1-3 parts of antiager DNP, 6-10 parts of diethyl phthalate, 7-15 parts of modified benzoxazine resin, 5-15 parts of bicyclopentadiene dioxide epoxy resin, 5-10 parts of B205 ceramic sand, 3-8 parts of high-performance hollow glass beads and 7.5-12.5 parts of aramid fibers. The rubber antiskid and abrasion-resistant shoe sole is prepared through the steps of pre-mixing, mixing, cooling and vulcanizing. The formula and preparation method of shoe sole rubber are improved, the shoe sole rubber with the high anti-skid coefficient and abrasion resistance is obtained, the service life is prolonged, and the use comfort is improved.

The invention discloses a pour point depressant composition suitable for biodiesel and petroleum diesel blend oil, a preparation method and application of the pour point depressant composition. The pour point depressant composition is formed by mixing phthalic acid ester type organic solvent, acetate type organic solvent and diesel oil pour point depressant. Specifically, the pour point depressant composition is prepared from 0-15 wt% of dimethyl phthalate, 10-30 wt% of diethyl phthalate, 0-10 wt% of dibutyl phthalate, 0-25 wt% of butyl acetate and 20-60 wt% of pour point depressant. By evenly mixing and stirring all the components at normal temperature and normal pressure and conducting ultrasonic dispersion for 25-30 minutes, the pour point depressant composition is prepared. The pour point depressant composition is particularly suitable for improving low-temperature mobility of biodiesel and petroleum diesel blend oil formed by mixing soybean oil biodiesel and 0# biodiesel at normal temperature and normal pressure, the pour point effect is remarkable, the cold filter plugging point can be reduced by 7-11 DEG C, and the pour point can be reduced by 6-10 DEG C.

The invention relates to a catalyst solid ingredient, a catalyst containing the catalyst solid ingredient and a use of the catalyst in olefin polymerization. Through a contact reaction of an alkoxy magnesium carrier, a titanium compound and diethyl phthalate as an internal electron donor, the catalyst solid ingredient is prepared. The invention also provides the catalyst containing the catalyst solid ingredient and the use of the catalyst in olefin polymerization.

The invention relates to small molecules and polymers which have a linear polycyclic conjugation structure and are condensed together, a synthesis method thereof, and applications thereof as a semiconductor active material on organic filed effect triodes, organic solar energy batteries, and other organic electronic devices. The synthesis method of the compounds with such structure comprises following steps: taking 2,5-dibromo-1,4-diethyl phthalate and condensed heterocyclic conjugation molecules as the primary raw material, then subjecting the primary materials to carry out cross-coupling to form a conjugation molecule intermediate containing four ester groups, then subjecting the ester groups to react with an organic lithium reagent so as to generate an intermediate with four alcohol groups, and finally subjecting the intermediate with four alcohol groups to carry out four ring-closure reactions under the acidic condition so as to obtain a highly-conjugated trapezoid polycyclic structure. The molecules with this structure can directly be used as a molecule type organic semiconductor material and can be used as a monomer synthesis polymer semiconductor material. These materials have an excellent organic solvent solubility, a solution processing property, and a high light, heat, and voltage stability. The organic field effect triode prepared by the materials has a charge transfer rate more than 0.8 cm2/Vs, and has a potential application prospect on the field of organic electronics.

The invention relates to fireproof smoke inhibition PVC composite for electric wire and cable, which comprises: 100 PVC; 1-5 fireproof smoke inhibition agent composed of 1-20 zinc stannate, 3-20 water glass and 100-60 aluminum hydroxide; 30-45 plasticizer as mixture of dioctyl phthalate, diethyl phthalate, and phosphate ester; and 5-20 heat stabilizer.

The invention provides a method for detecting a phthalate plasticizer in an inner packing material of medicine. The method comprises the following steps: weighing the inner packing material of medicine in a measuring flask, adding methanol for dilution, filtering with a filter membrane, and taking a subsequent filtrate as liquid for testing; respectively weighing dimethyl phthalate, diethyl phthalate and dibutyl phthalate in a measuring flask, adding a methanol solvent to a scale for dilution, and taking a solution as a contrast liquid 1; weighing dioctyl phthalate in a measuring flask, adding a methanol solvent to a scale for dilution, and taking a solution as a contrast liquid 2; injecting the liquid for testing, the contrast liquid 1 and the contrast liquid 2 in order for detection by a HPLC, and finishing the detection of the phthalate plasticizer in the inner packing material of medicine. The method can be used for distinguishing whether a plasticizer component is added into the common packing materials of medicines, and an accurate quantitative analysis is carried out, so that product quality which is influenced by migration of plasticizer components of medicine coating powder and packing materials to medicine is controlled.

The invention relates to an unleaded back silver paste used for a crystalline silicon solar cell and a preparation method of the unleaded back silver paste used for the crystalline silicon solar cell. Raw materials comprise 60 parts of aluminum powder, 29-42 parts of organic binding agents and 1-10 parts of inorganic binding agents, the organic binding agents comprise 40-70 parts of terpilenol, 5-10 parts of butyl carbitol, 5-10 parts of butyl carbitol acetic ester, 3-10 parts of ethyl cellulose, 5-15 parts of diethyl phthalate and 2 parts of sorbitol anhydride stearate, and the inorganic binding agents comprise 30-60 parts of Bi2O3, 5-15 parts of B2O3, 1-2 parts of NaF, 10-20 parts of SiO2, 5-10 parts of ZnO, 1-5 parts of TiO2, 10-20 parts of Al2O3 and 2 parts of P2O5. After being mixed evenly, the components are rolled until the fineness degree is smaller than or equal to 10 microns, and viscosity is 30-100 Pa.s. The unleaded back silver paste used for the crystalline silicon solar cell is high in adhesive force and good in weldability and welding resistance.

The invention relates to a novel enteric sustained-release zinc oxide-oligosaccharide composite pellet for feed and a preparation method thereof. The novel enteric sustained-release zinc oxide-oligosaccharide composite pellet for feed comprises: by weight, 38 to 75% of zinc oxide powder, 15 to 35% of oligosaccharide, 2 to 14% of starch, 1.5 to 5.5% of cellulose acetate-phthalate, 0.05 to 0.1% of sodium alginate, 4.5 to 9.5% of talcum powder, and 0.15 to 0.5% of diethyl phthalate. The novel enteric sustained-release zinc oxide-oligosaccharide composite pellet for feed has the advantages of good effects of dissolution in the enteric canal and good treatment effects.

The present invention discloses an epoxy mortar with desirable adhesive force. The epoxy mortar comprises the following components in parts by weight: 90-140 parts of epoxy, 10-30 parts of curing agent, 20-30 parts of diethyl phthalate, 150-200 parts of cement, and 500-600 parts of silica sand. The epoxy mortar comprising the components disclosed by the present invention is excellent in adhesive performance, and has a desirable effect on repairing old building walls.

The invention provides a strain Arthrobacter sp.ZJUTW with high phthalate degrading property and an application of the strain. The strain is conserved in the China Center for Type Culture Collection (address: Wuhan University, Wuhan City, China 430072), the preservation number (CGMCC No) is 2012246 and the conservation date is June 24, 2012. The new strain with high phthalate degrading property is provided, the diethyl phthalate (DEP) and dibutyl phthalate (DBP) degrading conditions of resting cells are optimized and the environmental pollution problem of phthalate compounds can be effectively solved.

The invention provides erythromycin enteric-coated tablets and a preparation method thereof. Each erythromycin enteric-coated tablet comprises a core, and an enteric coating and a sugar coating which wrap the core, wherein the core comprises effective therapeutic dose of erythromycin, corn starch, cassava starch, hydroxypropyl methylcellulose, hydroxypropylcellulose, carboxymethyl starch sodium and magnesium stearate; the enteric coating comprises polyacrylic resin II, ethanol, diethyl phthalate, castor oil and polysorbate-80; and the sugar coating comprises sucrose, talc powder, gelatin, white wax and dimeticone. The erythromycin enteric-coated tablets are stable and excellent in release degree, low in toxic or side effect and good in mouthfeel, and are stable in quality during storage; and the release degree of the tablets difficultly fluctuates together with prolonging of the storage time.

The invention relates to a formaldehyde-removal traditional Chinese medicine solid air refresher, belonging to the technical field of cleansing and disinfection products. The formaldehyde-removal traditional Chinese medicine solid air refresher comprises the following raw materials in parts by weight: 29-40 parts of glyceryl monostearate, 10-19 parts of mineral oil, 12-22 parts of triethanolamine, 21-29 parts of vermiculite, 5-12 parts of diethyl phthalate, 8-16 parts of lavender essential oil, 25-36 parts of mint essential oil, 5-15 parts of perillae extract, 4-15 parts of artemisia argyi extract, 3-10 parts of platycodon grandiflorum extract, 1-5 parts of fructus forsythia extract, 6-17 parts of radix aucklandiae extract and 3-9 parts of fineleaf schizonepeta herb extract. The formaldehyde-removal traditional Chinese medicine solid air refresher is in a solid form, so that the effect is taken quickly, no sudden irritation to a human body is caused, formaldehyde in the air can be effectively removed, and respiratory diseases can be prevented.