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Catalyst for preparing C5 hydrogenated petroleum resin, and its preparing method

A hydrogenation petroleum resin, hydrogenation catalyst technology, applied in the field of catalyst and its preparation, can solve the problems of catalyst activity and service life adverse effects, complexity, etc.

Active Publication Date: 2007-06-13
BC P INC CHINA NAT PETROLEUM CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the production process of C5 petroleum resin, due to the complex raw materials and more than 20 kinds of ingredients, there are chloride ions, aluminum ions, etc. in the production process, and these impurities may adversely affect the activity and life of the catalyst

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 1. Preparation of carrier: take 100 grams of specific surface area of ​​80-150m 2 / g, alumina balls with a diameter of 2 mm, soaked in 0.5 g of 0.01M cerium nitrate as cerium for 12 hours, dried at 110°C, and then calcined at 600°C for 4 hours to obtain a rare earth treated catalyst carrier.

[0025] 2. Preparation of mixed solution of catalyst active components and additives:

[0026] 1. 1 gram of tin chloride in terms of tin is mixed with a stable solution, and the concentration is 0.1M, which is called A solution; 2. In the palladium chloride aqueous solution containing 0.8 gram of metal palladium, 0.2 gram of copper chloride in terms of copper is added, Stir well and call it B solution.

[0027] 3. Loading of active components: Put the catalyst carrier prepared above into a porcelain evaporating dish and heat it, spray the above-mentioned solution A at a temperature of 120° C. on the constantly vibrating catalyst carrier, Then under the same conditions, all the a...

Embodiment 2

[0031] According to the above method, a single-component hydrogenation catalyst with a palladium content of 1.0% was prepared by using an aqueous solution of palladium chloride containing 1.0 g of metal palladium. Pack into fixed-bed reactor and carry out hydrogenation reaction, reaction condition is the same as embodiment 1, product softening point 108 ℃, bromine value 1.6gBr 2 / 100g, Gardner (Gardner) hue is No. 3 color.

Embodiment 3

[0033] The palladium content 0.8% that embodiment 1 prepares, copper content 0.2%, cerium content 0.5%, the hydrogenation catalyst of the palladium content 1.0% of the palladium content 1.0% that the embodiment 2 prepares is packed into two In the same fixed-bed reactor, the same C5 petroleum resin was used as raw material, and the reaction temperature was 160 ° C, and the pressure was 13 MPa. The former liquid space velocity was 1.0 h. -1 , the latter liquid space velocity is 0.5h -1 , the bromine value of the former product is 1.5gBr 2 / 100g, the latter is 1.8gBr 2 / 100g.

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Abstract

This invention involves a mixed C5 petroleum resin through catalytic hydrogenation to produce mixed C5 hydrogenation resin oil catalysts, the weight ratio of active component : 100 Alumina; Palladium 0 .2-1.2; transition metals 0.06-0.48 ; 0.1-5 copies of rare earth metals; 4th main group elements 0.06-2.4 ; alumina surface area of 80-150 m2 / g, pore volume 0 .2-0.4 ml / g, transition metal is copper, nickel, cobalt, zinc, and rare earth metals is cerium, lanthanum, protactinium, the fourth main group elements is tin, germanium, lead. Carrier will use rare earth metal nitrate solution impregnated and then baking. Then puff the main group metal chloride solution on to the carrier. Then puff palladium chloride and transition metal chloride mixed solution on to the carrier, reduction, to obtain catalyst, used for C5 hydrogenation resin oil production which takes a high content of C5 fraction of isoprene and arene. It solved the problem of low bromine value and hue high in production, the products of unsaturated bond was significantly reduced, the color more superficial, catalytic more activity, long service life.

Description

Technical field: [0001] The invention relates to a catalyst for preparing mixed C5 hydrogenated petroleum resin by catalytic hydrogenation of mixed C5 petroleum resin and a preparation method thereof. Background technique: [0002] C5 petroleum resin is a low-molecular-weight thermoplastic resin, which is polymerized by the by-product C5 fraction of ethylene plant under the action of aluminum trichloride and other catalysts. The average molecular weight is between 1000 and 3000. Resin has good compatibility, mixed with other substances, has good water resistance, acid resistance, low melting point, and good adhesion. Petroleum resin is mainly used as adhesives, road marking paints, rubber additives, coatings and inks. C5 petroleum resin generally has defects such as dark hue, bad smell, low thermal stability and oxidation stability, which limit its application range. The color of C5 petroleum resin is mainly formed by the unsaturated bonds inside the resin molecules, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F240/00
Inventor 王福善曹耀强许翠红李茸马建泰刘秀兰杨慧明
Owner BC P INC CHINA NAT PETROLEUM CORP
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