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Aromatic hydrocarbon modified C5 petroleum resin and synthesis method thereof

A technology of petroleum resin and synthesis method, which is applied in the synthesis of petroleum resin and the field of synthetic petroleum resin modified by aromatic compounds, which can solve the problems of low bonding strength, poor compatibility between petroleum resin and hot melt adhesive substrate, etc., and achieve raw material The effect of high utilization

Active Publication Date: 2017-07-04
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The main purpose of the present invention is to provide a kind of aromatic hydrocarbon modified C5 petroleum resin and its synthesis method, to overcome the defects of poor compatibility and low bonding strength between petroleum resin and hot melt adhesive base material in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Mixing components with C10, C15, and C20 as main components (mass percentage composition of mixing components: C10 content 85%, C15 content 9%, C20 content 5%, other components 1%.) and 3% modified Mix the cut fractions of agent C9 (modifier addition is mass percentage) and add to the reactor, add anhydrous aluminum trichloride of 2.5% by weight of the mixed component under stirring, and polymerize at a temperature of 125 ° C and a pressure of 1 MPa for 6 hours Afterwards, the reaction temperature was raised to 150° C., and the pressure was controlled at 1.2 MPa for 8 hours of polymerization reaction. After the reaction, the crude resin was diluted with mineral oil, washed with water, settled, and vacuum distilled to obtain petroleum resin. It is determined that the softening point of the petroleum resin product is 98°C; the chromaticity is 4.3; the number average molecular weight is 575; and the molecular weight distribution is 1.61.

Embodiment 2

[0027] Mixing components with C10, C15, and C20 as main components (mass percentage composition of mixing components: C10 content 87%, C15 content 8%, C20 content 4%, other components 1%.) and 5% modified Agent (styrene and C9 are mixed in a mass ratio of 95:5) mixed (modifier addition is mass percentage) is added to the reactor, and anhydrous aluminum trichloride of 2.5% by weight of the mixed component is added under stirring, at a temperature of 120 Polymerize for 9 hours at ℃ and pressure of 1MPa; then raise the reaction temperature to 145℃, control the pressure at 1.1MPa and polymerize for 10 hours. After the reaction, add mineral oil to the crude resin to dilute, wash with water, settle, and distill under reduced pressure Get petroleum resin. It was determined that the petroleum resin product had a softening point of 104° C.; a chroma of 4.1; a number average molecular weight of 573; and a molecular weight distribution of 1.43.

Embodiment 3

[0029] Mixing components with C10, C15, and C20 as main components (mass percentage composition of mixing components: C10 content 90%, C15 content 5%, C20 content 4%, other components 1%.) and 7% modified Mixing agent styrene (addition amount of modifier is mass percent) was added to the reactor, and anhydrous aluminum trichloride of 1.0% by weight of the mixed component was added under stirring, and the temperature was 135° C. and the pressure was 1.1 MPa for polymerization reaction for 8 hours. Afterwards, the reaction temperature was raised to 155° C., and the pressure was controlled at 1.3 MPa for 7 hours of polymerization reaction. After the reaction, the crude resin was diluted with mineral oil, washed with water, settled, and distilled under reduced pressure to obtain petroleum resin. After measurement, the softening point of the petroleum resin product is 106° C.; the chromaticity is 5.0; the number average molecular weight is 563; the molecular weight distribution is 1...

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Abstract

The invention discloses an aromatic hydrocarbon modified C5 petroleum resin and a synthesis method thereof. The synthesis method specifically comprises: using the mixing component using C10, C15 and C20 as main components as a raw material, using an aromatic hydrocarbon compound as a modifier, mixing the raw material and the modifier, adding to a reactor, adding a catalyst accounting for 0.3-2.5% of the weight of the mixing component, carrying out a reaction for 4-10 h at a temperature of 100-140 DEG C under a pressure of 0-8 Mpa, heating to a temperature of 150-190 DEG C, continuously carrying out the reaction for 4-10 h under a pressure of 0-8 MPa to obtain a crude resin, adding a solvent to the crude resin, and carrying out dilution, water washing, sedimentation, and pressure reducing distillation to obtain the petroleum resin. According to the present invention, the synthesized aromatic hydrocarbon modified petroleum resin has good compatibility with SIS, SEBS and SBS, improves the initial viscosity between the hot melt adhesive and other sanitary materials, improves the bonding strength of the hot melt adhesive, and can be used in the hot melt adhesives and other adhesive product industry and the health material product field.

Description

technical field [0001] The invention belongs to the field of chemical products, and relates to a new method for synthesizing petroleum resin, in particular to a new method for synthesizing petroleum resin by modifying aromatic hydrocarbon compounds with C5 fraction after pretreatment as the main raw material component. Background technique [0002] With the development of ethylene industry, the by-product C5 and C9 cuts of ethylene plant are increasing day by day. Using C5 and C9 fractions to synthesize various petroleum resins is an important way to make full use of C5 and C9 fraction resources. C5 Petroleum Resin has good properties of reducing condensation and increasing viscosity and improving viscosity coefficient, and is usually used in hot melt adhesives, pressure sensitive adhesives, road marking paints, paper sizing agents, etc. C5 petroleum resin is usually mixed with other mixtures, which requires good compatibility of petroleum resin and certain bonding strength...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F289/00C08F212/08C08F240/00C08F4/14
CPCC08F4/14C08F240/00C08F289/00C08F212/08
Inventor 李亮毛兵张耀亨刘栓祥张春梅杨成洁马斌杜新胜徐惠俭齐永新柳彩霞陈秀娣张萍石铭朱玲焦红宇刘志琴朱林
Owner PETROCHINA CO LTD
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