dibutyl phthalate synthesis process google

CN103030563A – Dibutyl phthalate synthesis process …

– Google Patents The invention relates to a dibutyl phthalate synthesis process, particularly to a plasticizer synthesis process and provides a dibutyl phthalate synthesis process which is short in…,CN1223907A – Molecular sieve catalyst for synthesis of … ,A molecular sieve catalyst for synthesizing dibutyl phthalate (DBP) is prepared from HY-type molecular sieve as carrier and rare-earth oxide as active component and features no corrosion of equipment, no environmental pollution, simple process, stable product quality, cyclic application, low cost, high DBP selectivity up to 100% and high benzoic acid anhydride conversion up to 98%.,CN105330539A – Production process of dibutyl phthalate … ,The invention belongs to the technical field of rubber plasticizer production, and particularly relates to a production process of a dibutyl phthalate plasticizer. The process comprises the following procedures of (1) esterification: phthalic anhydride, n-butyl alcohol and catalysts are added to an esterification reactor for temperature rising reaction under the conditions of stirring and …

CN111302936A – Preparation method of dibutyl phthalate …

The invention discloses a preparation method of dibutyl phthalate, which at least comprises the following steps: a. placing phthalic anhydride and n-butyl alcohol into a container according to the mass ratio of 1: 2-1: 3, and adding a sulfate ionic liquid serving as a catalyst into the container while stirring; b.,CN104072366A – Preparation method of dibutyl phthalate … ,The invention discloses a preparation method of dibutyl phthalate (DBP). The preparation method comprises the following steps: adding the raw materials including phthalic anhydride and superfluous butanol to a reaction kettle, adding concentrated sulfuric acid as a catalyst, controlling the temperature in the reaction kettle to be 0-150 DEG C, reacting for 16-20 hours, neutralizing the …,CN110776419A – Green and clean production process for … ,The invention provides a green clean production process for preparing dibutyl phthalate, which takes phthalic anhydride and n-butanol as raw materials to carry out esterification reaction under the action of catalyst sulfuric acid, after the esterification reaction is finished, excessive anion exchange material is added into reaction liquid to be stirred to remove the catalyst sulfuric acid …

CN102351709A – Preparation method for synthesis of dibutyl …

The invention discloses a preparation method for synthesis of dibutyl carbonate under catalysis of an alkaline ion liquid. The preparation method comprises the following steps: carrying out ester exchange reaction on n-butanol and dimethyl carbonate in the presence of an alkaline ion liquid catalyst; and then distilling under reduced pressure and collecting colorless liquid of 100-105 DEG C …,CN1569811A – Process for synthesizing dibutyl carbonate … ,The invention discloses a process for synthesizing dibutyl carbonate through the catalysis of load type catalyst, wherein alkali metal hydroxide, alkali metal halides, alkali metal carbonates are loaded onto active aluminium oxide, activated charcoal, or molecular sieve carrier through vacuum dipping method, thus obtaining solid catalyst.,US1864893A – Process for making esters of … – Google Search ,dibutyl phthalate Prior art date 1928-09-24 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired – Lifetime Application number US308132A Inventor Russell B Crowell Ebe Samuel Ray

Dibutyl phthalate | C16H22O4 – PubChem

Dibutyl phthalate | C16H22O4 | CID 3026 – structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities …,邻苯二甲酸二丁酯的合成工艺 Dibutyl phthalate synthesis … ,邻苯二甲酸二丁酯的合成工艺 【EN】Dibutyl phthalate synthesis process 申请(专利)号: CN201110303732.4 国省代码: 辽宁 21 申请(专利权)人: 【中文】柯啸宇【EN】Ke Xiaoyu 温馨提示: Ctrl+D 请注意收藏,详细著录项请 登录检索查看。 Please note …,Process simulation for synthesis and separation of dibutyl … ,Process simulation for synthesis and separation of dibutyl hexahydrophthalate LUO Junwen 1 , XU Chunjian 1 , LIANG Changhai 2 , LI Chuang 2 1 State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;

Kinetics of the synthesis of butyl phthalates over methane …

Investigations in an isothermal, semibatch reactor have been conducted to find out kinetic parameters for the synthesis of dibutyl phthalate (DBP) and diisobutyl phthalate (DIBP) from phthalic anhydride and butyl alcohol or isobutyl alcohol,. The first stage, the formation of monoester, is very fast and irreversible.,Synthesis of a Nanoporous Molecularly Imprinted Polymers … ,Synthesis of a Nanoporous Molecularly Imprinted Polymers for Dibutyl Phthalate Extracted from Trichoderma Harzianum Maede Shahiri Tabarestani 1,2 , Kamran Rahnama 1 , Mohsen Jahanshahi 3 , Saeed …,SnCl 4 催化合成邻苯二甲酸二丁酯 ,Qingle. Synthesis of Dibutyl Phthalate Catalyzed by SnCl 4 [J].

Investigation and risk assessment of dibutyl phthalate in …

1. Introduction. Dibutyl phthalate (DBP), one of the most common phthalate acid esters, has been widely used in plastic manufacturing as plasticizers to increase softness, flexibility, and durability of the polymer (Ma et al., 2020).However, due to its noncovalent bound with plastic polymer, DBP tends to leach out during use or disposal (Zhang et al., 2020), ultimately rendering the ubiquity …,Synthesis of surface molecular imprinted … – ScienceDirect ,In this work, the molecular imprinted polymers were synthesized with the low monomer concentrations for dibutyl phthalate (DBP). The polymers were prepared over carboxyl-modified silica nanoparticle, which used methacrylic acid as the functional monomer, ethylene glycol dimethacrylate as the cross-linker agent and azoisobutyronitrile as the initiator in the process of preparation.,Synthesis and characterization of fluorescence molecularly … ,Dibutyl phthalate (DBP), diethyl phthalate (DEP), diallyl phthalate (DAP, 99%), dimethyl phthalate (DMP, 99%), MnCl 2. 4H 2 O, acrylamide (AM), dry toluene, acetonitrile, ammonia solution (25.0-28.0%) and ethanol were purchased from Sinopharm Chemical Reagent Co., Ltd.

Kinetics of the synthesis of butyl phthalates over methane …

Dibutyl phthalate (DBP) is a commonly used softener of PVC, bonding agent for polyvinyl acetate, solvent for oil paints and nitrocellulose lacquers, antifoaming agent, lubricant in textile,Advanced synthesis of dioctyl phthalate (DOP) and dibutyl … ,Advanced synthesis of dioctyl phthalate (DOP) and dibutyl phthalate (DBP) plasticizers: I. Comparison between aluminum oxide(Al2O3)and tetra-n-butyltitanate (TnBT) as esterification catalysts, II.,SnCl 4 催化合成邻苯二甲酸二丁酯 ,Qingle. Synthesis of Dibutyl Phthalate Catalyzed by SnCl 4 [J].

Investigation and risk assessment of dibutyl phthalate in …

1. Introduction. Dibutyl phthalate (DBP), one of the most common phthalate acid esters, has been widely used in plastic manufacturing as plasticizers to increase softness, flexibility, and durability of the polymer (Ma et al., 2020).However, due to its noncovalent bound with plastic polymer, DBP tends to leach out during use or disposal (Zhang et al., 2020), ultimately rendering the ubiquity …,Synthesis and characterization of fluorescence molecularly … ,Dibutyl phthalate (DBP), diethyl phthalate (DEP), diallyl phthalate (DAP, 99%), dimethyl phthalate (DMP, 99%), MnCl 2. 4H 2 O, acrylamide (AM), dry toluene, acetonitrile, ammonia solution (25.0-28.0%) and ethanol were purchased from Sinopharm Chemical Reagent Co., Ltd.,Exposure to dibutyl phthalate impairs lipid metabolism and … ,Dibutyl phthalate (DBP), a kind of typical environmental pollutant, is widely used as plasticizers, and its neurotoxicity and developmental toxicity have been found in recent years. However, whether oral DBP exposure will affect the homeostasis of gut microbiota and its adverse response in liver of mammalians remain unclear.

A [email protected] electrochemical sensor based on MWCNTs and …

Dibutyl phthalate (DBP) is a plasticizer that can improve the flexibility and plasticity of plastics. …,(PDF) Kinetics of the synthesis of butyl phthalates over … ,The kinetic model for the synthesis of bis(2-ethylhexyl) phthalate from phthalic anhydride and 2-ethylhexanol in the presence of methane sulfonic acid as a catalyst has been derived, based on the …,Chemo-enzymatic synthesis of furfuralcohol from chestnut … ,Chemo-enzymatic synthesis of furfuralcohol from CNS-hydrolysate by sequential acid-catalyzed dehydration under microwave (600 W) at 180 °C for 10 min and E. coli CCZU-Y10 whole-cells conversion at 30 °C and pH 6.5 in the dibutyl phthalate-water (1:1, v:v) media.

advanced synthesis of dioctyl phthalate (dop) and dibutyl

Advanced synthesis of dioctyl phthalate (DOP) and dibutyl … Advanced synthesis of dioctyl phthalate (DOP) and dibutyl phthalate (DBP) plasticizers: I.,Kinetics of the synthesis of butyl phthalates over methane … ,Investigations in an isothermal, semibatch reactor have been conducted to find out kinetic parameters for the synthesis of dibutyl phthalate (DBP) and diisobutyl phthalate (DIBP) from phthalic anhydride and butyl alcohol or isobutyl alcohol,. The first stage, the formation of monoester, is very fast and irreversible.,Diisobutyl phthalate | C16H22O4 – PubChem ,Diisobutyl phthalate | C16H22O4 | CID 6782 – structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities …

(PDF) The efficiency and mechanism of dibutyl phthalate …

The efficiency and mechanism of dibutyl phthalate removal by copper-based metal organic frameworks coupled with persulfate January 2018 RSC Advances 8(69):39352-39361,Enzymatic degradation of dibutyl phthalate and toxicity of … ,Dibutyl phthalate (DBP) was more efficiently degraded by cutinase compared to yeast esterase; i.e. almost 80% of initial DBP (500 mg l−1) was decomposed within 7.5 h, and nearly 50% of the degraded DBP disappeared within the initial 30 min.,Exposure to dibutyl phthalate impairs lipid metabolism and … ,Dibutyl phthalate (DBP), a kind of typical environmental pollutant, is widely used as plasticizers, and its neurotoxicity and developmental toxicity have been found in recent years. However, whether oral DBP exposure will affect the homeostasis of gut microbiota and its adverse response in liver of mammalians remain unclear.

Enhanced catalytic ozonation treatment of dibutyl …

Enhanced catalytic ozonation of di-n-butyl phthalate (DBP), a recalcitrant waterborne pollutant, was enabled by a family of novel Ag-doped spinel ferrites (MnFe 2 O 4) materials.A sol-gel approach was used to synthesize the Ag-doped MnFe 2 O 4 catalysts, resulting in a highly porous structure with good magnetic property. X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS …,SEM image (A) and EDS (B) of as-synthesized Cu-BTC … ,Dibutyl phthalate (DBP) is a widespread environmental pollutant that poses a major threat to aquatic organisms and humans. However, the toxicological influences of DBP on zooplankton have not been …,(PDF) Synthesis and evaluation of some fatty esters as … ,The conventional dibutyl phthalate plasticizer was used for the purpose of comparison. The data obtained indicate that the prepared fatty esters can be used as plasticizers with antifungal …