37 results about "Isobornyl acetate" patented technology

The invention relates to a deodorant based on a plant essence extracting solution and a preparation method of the deodorant. The deodorant is prepared from raw material as follows: laurate, tea polyphenol, rhodinol, citronellol, pinene, linalool, terpinenol, limonene, eudesmol, L(-)-camphor, menthol, terpinen-4-ol, terpilenol, carvone, isobornyl acetate, cedrene, thujopsene, cuparene, cedrol and purified water. With the adoption of a supercritical CO2 extraction technology, effective constituents are extracted from plants including Moroccan laurel, Australian tea trees, pelargonium graveolens,lavender, sabina pingii, mint, pine needle, cinnamomum camphora, eucalyptus, myristica fragrans, dill seeds and the like, the purity of the extracting solution is high, and organic solvent residues in a traditional process are avoided; the pure plant essence extracting solution is adopted, so that the deodorant is harmless to a human body and pollution-free for the environment, and no secondary pollution is produced. The deodorant has a more thorough effect, can remarkably remove formaldehyde, ammonia, methyl mercaptan, trimethylamine, hydrogen sulfide, benzene, TVOC and odorous hydrocarbon gas, and can also inhibit common escherichia coli and staphylococcus aureus.

Composition comprising bornyl or isobornyl acetate and certain acids are effective for reducing malodors. The acids have the formula R—COOH in which R is C1-5 alkyl or R is C3 or C4 alkylene optionally phenyl-substituted. These compositions can be used in perfumed products, household products and personal care products.

A release layer paste used for producing a multilayer type electronic device and forming a release layer of a thickness of 0.05 to 0.1 μm, used in combination with an electrode layer paste including one or more solvents selected from limonene, dihydroterpinyl methyl ether, α-terpinyl acetate, terpinyl methyl ether, isobornyl acetate, caryophyllene, 1-dihydrocarvyl acetate, menthone, menthyl acetate, perillyl acetate, carvyl acetate, d-dihydrocarvyl acetate, and butyl carbitol acetate and a binder comprised of ethyl cellulose, including a ceramic powder, organic vehicle, plasticizer, and dispersion agent, the organic vehicle containing a binder having polyvinyl acetal as its main ingredient, a ratio (P / B) of the ceramic powder with respect to the binder and plasticizer being controlled to 1.33 to 5.56 (however, excluding 5.56).

The invention provides a conductive slurry which is used in the stacking ceramic electronic member for forming an internal electrode; the conductive slurry is a compound that does not produce sheet erosion and has viscosity that decreases along with the time change. The conductive slurry used for the stacking ceramic device contains conductive metal powder, ceramic powder, resin binder, dispersant and organic solvent. The organic solvent is formed by at least one of dihydroabietic alcohol acetate, isobornyl acetate, isobonyl propionate, butyrate isobornyl thiocyanoacetate and isobutyric acid isobornyl thiocyanoacetate. The above dispersant contains the acid dispersant with the weight being over the 0.4% of the total conductive slurry.

The invention relates to a preparation method for synthesizing isobornyl acetate by esterification of camphene and acetic acid. A synthesized molecular sieve is taken as a catalyst; the raw materials camphene and acetic acid are proportionally added into a fixed bed tubular reactor or reaction kettle respectively for reaction to obtain the target product isobornyl acetate. The invention has the advantages of mild reaction conditions, high catalyst activity, high selectivity of isobornyl acetate and is environmentally friendly and can be widely applied to industrial large-scale production of isobornyl acetate.

The invention discloses a functionalized polyacid ionic liquid catalyst and a preparation method as well as a method for catalytically synthesizing isobornyl acetate by using the functionalized polyacid ionic liquid catalyst. The method for catalytically synthesizing the isobornyl acetate comprises the following steps: taking camphene and acetic acid as raw materials, taking functionalized polyacid ionic liquid as a catalyst and carrying out esterification reaction to obtain the isobornyl acetate. According to the functionalized polyacid ionic liquid catalyst disclosed by the invention, the conversion rate of the camphene is as high as 92 percent, the selectivity of the isobornyl acetate is as high as 96 percent and the yield of the isobornyl acetate reaches 88 percent. The method disclosed by the invention has the advantages of high activity of the catalyst, good activity, mild reaction conditions, high yield of a product, easy separation of the catalyst and a product and the like.

The invention set forth herein provides a conductive paste composition that suppresses chemical attack, even in extremely thin ceramic green sheets, and enables high printing precision to be achieved. The conductive paste composition includes a conductive powder, a binder, and an organic solvent. The organic solvent contains isobornyl acetate as a primary solvent, and a solvent having a Hansen solubility parameter lower than that of isobornyl acetate as a secondary solvent.

The invention relates to a continuous preparation method for synthesizing isobornyl acetate by esterification of camphene and acetic acid. Using camphene and acetic acid as raw materials, using solid acid as a catalyst, and adding a certain amount of polymerization inhibitor and acetic anhydride, the esterification reaction is carried out under certain process conditions in a catalyst bed filled with suspension, and the target product acetic acid is obtained. Isobornyl. The invention has the advantages of mild reaction conditions, long service life of the catalyst, good product quality, high raw material conversion rate, continuous production and simple operation, and can be widely used in large-scale industrial production of isobornyl acetate.

The invention discloses a catalyst for synthesizing isobornyl acetate, and is characterized in that a preparation method of the catalyst comprises the following steps: step 1, mixing mordenite with a Lewis acid water solution, heating the mixed solution to 90DEG C-100DEG C and stirring the mixed solution for 5h-7h; and step 2, filtering the stirred mixed solution, calcining the obtained mordenite at 550DEG C-650DEG C for activating the mordenite for 3h-5h to obtain a Lewis acid-loaded mordenite catalyst. The invention also provides a synthetic method of isobornyl acetate, and the isobornyl acetate is synthesized by adopting the catalyst. By adopting the scheme of the invention, the isobornyl acetate is synthesized under the catalysis of the catalyst disclosed by the invention, the conversion rate of the raw material oil camphene is as high as above 97%, the selectivity on the isobornyl acetate is above 91%, and the utilization ratio of the raw material oil is greatly improved; and the synthetic method of isobornyl acetate has the advantages of simple operation, environment friendliness, low production cost and the like.

Provided is a cleanser composition characterized by containing a salt of an alpha-sulfo fatty acid alkyl ester, and a fragrance composition, the content of the salt of an alpha-sulfo fatty acid alkyl ester being 1-30 mass% with respect to the total amount of the cleanser composition, and the fragrance composition containing the following fragrance (A), the content of the fragrance (A) being 0.07-0.5 mass% with respect to the total amount of the cleanser composition. Fragrance (A): at least one fragrance ingredient selected from the group consisting of dihydromyrcenol, isobornyl acetate, alpha-hexyl cinnamic aldehyde, lilial, tetrahydrolinalol, amyl salicylate, verdox, vertenex, tricyclodecenyl acetate, tricyclodecenyl propionate, Iso E Super, and Habanolide.

The invention belongs to the technical field of power distribution system protection, and discloses a high-temperature-resistant anti-corrosion coating for a power distribution system. The high-temperature-resistant anti-corrosion coating for the power distribution system is prepared from, by weight, 8-10 parts of triethanolamine oleic soap, 7-8 parts of dimethyl phthalate, 6-7 parts of n-butanol, 5-6 parts of emulsified silicone oil, 3-4 parts of lithium-base bentonite, 2-3 parts of sodium citrate, 2-3 parts of isobornyl acetate, 2-3 parts of camphor oil, 1-2 parts of sodium water glass, 1-2 parts of aluminium nitride, 1-2 parts of tobacco extract and 1-2 parts of fennel extract. The high-temperature-resistant anti-corrosion coating for the power distribution system has the multiple functions of resisting high temperature and corrosion and repelling birds.

The invention discloses a preparation method of isobornyl acetate which is an intermediate needed for producing medical synthetic camphor. The preparation method of the invention takes camphene and acetic acid as raw materials and the isobornyl acetate is prepared under the existence of styrene sulfonic strong acid positive ion resin and according to a certain technological condition. Crude products prepared through the reaction are extracted in a way of liquid phase lateral line by the middle part of a distillation tower of finished ester products after continuous vacuum distillation by a series-wound distillation tower of refined ether and the distillation tower of finished ether products, so as to obtain the isobornyl acetate, namely, the intermediate meeting the requirements for producing the medical synthetic camphor. The preparation method of the invention has the advantages that the continuous distillation of esterified materials can lead the quality of various products within the tower to be stabilized at a quite high level, and the preparation method of the invention has stable operation, low energy consumption, good selectivity of products, little impurity, and high content of the isobornyl acetate.

The invention discloses fresh radix zingiber officinale roscoe essence. The fresh radix zingiber officinale roscoe essence consists of the following ingredients of valeraldehyde, alpha-pinene, alpha-phellandrene, d-camphor, linalool, nerol, neryl formate, orange flower oil, geraniol, alpha-terpineol, beta-caryophyllene, bergamot oil, zingerone, folium eucalypti oil, alpha-farnesene, isoborneol, isobornyl acetate, myrcene, octanol, nonylaldehyde, fresh radix zingiber officinale roscoe oil, a fresh radix zingiber officinale roscoe extract and propylene glycol. The fresh radix zingiber officinaleroscoe essence is soft, plump and mellow in fragrance, stable in quality and natural in flavor, and the fragrance of the fresh radix zingiber officinale roscoe essence is close to natural fragrance of the fresh radix zingiber officinale roscoe.

The invention discloses a method for preparing isoborneol through continuous saponification of isobornyl acetate. Sodiumhydroxide and the isobornyl acetate are used as raw materials, and white isoborneol crystals are prepared through steps of saponification, rectification, layering, water washing, crystallization and the like. Continuous operation of a saponification reaction can be realized in an oscillatory flow reactor, a static mixer or an ultrasonic mixer; a polar solvent is added during reaction, so that the saponification reaction is conducted at a homogeneous phase, the reaction time can be shortened, the reaction temperature can be reduced, the conversion rate of the isobornyl acetate exceeds 99%, and the product yield exceeds 95%; the method is low in energy consumption for production and high in product yield.

The invention discloses a method for synthesizing isobornyl acetate by camphene. The method comprises the following steps of adding camphene, glacial acetic acid, a main catalyst (hydroxycarboxylic acid) and an additive into a reaction kettle according to a mass ratio of 100:(20 to 400):(1 to 50):(1 to 20), starting to stir, controlling the temperature to 40 to 100 DEG C, and reacting for 2 to 24h, so as to obtain a synthesized product; adding a small amount of water into the synthesized product, standing and delaminating, wherein the upper oil layer is a target product containing isobornyl acetate, the lower layer is acid water containing the catalyst and acetic acid, and the acid water is dewatered and recycled; adding the target product into a water washing tank, adding alkaline water to neutralize, and then adding water to wash, so as to obtain a crude product of the isobornyl acetate; relieving pressure and distilling, so as to obtain the refined isobornyl acetate. The method forsynthesizing the isobornyl acetate by catalyzing the camphene has the advantages that the obtained product has high yield and high purity, and is easy to separate; the used catalyst has high catalyzing activity; the preparation is simple, the repeatability is good, the toxicity is avoided, the corrosion property is low, the isobornyl acetate belongs to regeneration resources, and the industrialization product is easy.

The invention discloses a high-temperature-resistant, low-volatilization, insect-proof, halogen-free and flame-retardant PP material and a preparation method thereof. The material is composed of 60-80% of polypropylene resin, 20-30% of a halogen-free flame retardant and 5-15% of a high-temperature-resistant low-volatilization insect-proof master batch, wherein the insect-resistant master batch iscomposed of 89% of homo-polypropylene resin, 10% of insect-proof modified magnesium-aluminum hydrotalcite, 0.5% of an antioxidant and 0.5% of a lubricant. High-temperature-resistant magnesium-aluminumhydrotalcite with a layered structure is introduced and subjected to modification treatment, 2-methyl butanol, isobornyl acetate and D-borneol are introduced, and small molecular substances with certain pungent smell can be volatilized to stimulate mosquitoes, so that emergency reaction is generated, and the effect of repelling the mosquitoes is achieved; the magnesium-aluminum hydrotalcite is equivalent to a temperature-resistant protective layer, and small molecular substances in the magnesium-aluminum hydrotalcite cannot be decomposed due to hot working, so that the problem of high-temperature decomposition of easily volatile substances is effectively solved.

Isobornyl (meth)acrylate is synthesized by a two-stage one-pot process, wherein isobornyl acetate is converted to isoborneol followed by transesterification with (meth)acrylic acid methyl ester, without isolation of the intermediates or purification of the product.

It is an object of the present invention to provide a method for fabricating a multi-layered unit for a multi-layered ceramic electronic component which can reliably prevent defects from being generated in a multi-layered ceramic electronic component and form a spacer layer in a desired manner.A method for fabricating a multi-layered unit for a multi-layered ceramic electronic component includes a step of printing a dielectric paste containing ethyl cellulose having an apparent weight average molecular weight of 110,000 to 190,000 as a binder and at least one kind of solvent selected from the group consisting of isobornyl acetate, dihydroterpinyl methyl ether, terpinyl methyl ether, α-terpinyl acetate, I-dihydrocarvyl acetate, I-menthyl acetate, I-menthone, I-perillyl acetate and I-carvyl acetate on a ceramic green sheet containing a butyral system resin as a binder in a predetermined pattern, thereby forming a spacer layer.

The invention relates to a compound disinfecting, sterilizing and deodorizing liquid and a preparation method thereof. The compound disinfecting, sterilizing and deodorizing liquid comprises the following components in parts by weight: 1-5 parts of sodium hypochlorite; 2 to 8 parts of isobornyl acetate; 0.1 to 2 parts of pine needle oil; 0.01 to 2 parts of clove oil; 0.01 to 1.5 parts of lemon oil; 40 to 85 parts of diethylene glycol ethers; 5 to 15 parts of phthalate esters; and 2-10 parts of benzyl benzoate. The compound disinfecting, sterilizing and deodorizing liquid can quickly generate asealing film on the upper layer of the water surface of a sewer to block off peculiar smell and prevent harmful substances such as aerosol, bacteria and peculiar smell from entering a personnel activity space, and can be used for disinfecting and sterilizing, so that the air is fresh and the environment is pleasant.

It is an object of the present invention to provide a method for manufacturing a multi-layered unit for a multi-layered ceramic electronic component which can reliably prevent short circuit failure from occurring in a multi-layered ceramic electronic component and form an electrode layer in a desired manner. A method for manufacturing a multi-layered ceramic electronic component includes a step of printing a conductive paste containing a binder containing ethyl cellulose having a weight average molecular weight of MWL and ethyl cellulose having a weight average molecular weight of MWH at a weight ratio of X:(1−X), where MWL, MWH and X are selected so that X*MWL+(1−X)*MWH falls within a range of 145,000 to 215,000 and at least one solvent selected from the group consisting of isobornyl acetate, dihydroterpinyl methyl ether, terpinyl methyl ether, α-terpinyl acetate, I-dihydrocarvyl acetate, I-menthone, I-menthyl acetate, I-perillyl acetate and I-carvyl acetate on a ceramic green sheet containing a butyral system resin as a binder in a predetermined pattern, thereby forming an electrode layer.

The invention relates to novel peroxide-based bleaching washing powder used for colored fabrics and a preparing method thereof. The washing powder comprises following components by mass: 1-5 parts of alpha-olefin sulfonate, 0.8-1.6 parts of cocoanut fatty acid diethanolamide, 5-11 parts of sodium sulfate heptahydrate, 56-68 parts of cereal starch, 0.2-0.6 part of lemon oil, 1-2 parts of polyvinylpyrrolidone, 0.5-1.5 parts of sodium p-toluenesulfonate, 0.5-1.1 parts of myristic acid, 1-4 parts of cellulose ether, 0.1-0.3 part of isobornyl acetate, 5-15 parts of sodium silicate, 6-16 parts of zeolite, 1-2.5 parts of phenylmethyl o-hydroxybenzoate and 0.8-2 parts of essence. The washing powder has excellent whitening and brightening effects and is high in detergency.

The invention discloses a method for synthesizing isobornyl acetate from amphene. The mass ratio of amphene, glacial acetic acid, main catalyst hydroxycarboxylic acid and co-catalyst is 100:20-400:1-50:1-20 The proportion of the mixture is added to the reaction kettle, the stirring is started, the temperature is controlled at 40-100°C, and the reaction is 2-24h to obtain the synthetic product; add a small amount of water to the synthetic product, let it stand for layers, and the upper oil layer is isobornyl acetate The target product, the lower layer is acid water containing catalyst and acetic acid, and the lower layer of acid water is recycled after dehydration; the target product is added to the washing tank, first neutralized with alkaline water, and then washed with water to obtain the crude product of isobornyl acetate ; Then carry out fractional distillation under reduced pressure to obtain refined isobornyl acetate. The method catalyzes camphene to synthesize isobornyl acetate, and the obtained product has high yield and high purity, and the product is easy to separate. Renewable resources, easy to realize industrial production.

The invention discloses a pine essence. The pine essence is characterized by comprising the following components by weight: 12.4g of isobornyl acetate, 5g of bornyl acetate, 3g of coumarin, 1g of methyl acetophenone, 1g of bornyl octoate, 1g of cyclamen aldehyde, 1g of methyl phenylcarbinyl acetate and 0.5g of cis-3-hexenyl acetate. In an embodiment 1, the pine essence comprises the following components by weight: 12.4g of isobornyl acetate, 5g of bornyl acetate, 3g of coumarin, 1g of methyl acetophenone, 1g of bornyl octoate, 1g of cyclamen aldehyde, 1g of methyl phenylcarbinyl acetate and 0.5g of cis-3-hexenyl acetate.

The invention relates to a preparation method for synthesizing isobornyl acetate by esterification of camphene and acetic acid. A synthesized molecular sieve is taken as a catalyst; the raw materials camphene and acetic acid are proportionally added into a fixed bed tubular reactor or reaction kettle respectively for reaction to obtain the target product isobornyl acetate. The invention has the advantages of mild reaction conditions, high catalyst activity, high selectivity of isobornyl acetate and is environmentally friendly and can be widely applied to industrial large-scale production of isobornyl acetate.