CN112279964A - Method for preparing modified m-pentadiene petroleum resin by using composite catalyst - Google Patents

Method for preparing modified m-pentadiene petroleum resin by using composite catalyst Download PDF

Info

Publication number
CN112279964A
CN112279964A CN202011176635.9A CN202011176635A CN112279964A CN 112279964 A CN112279964 A CN 112279964A CN 202011176635 A CN202011176635 A CN 202011176635A CN 112279964 A CN112279964 A CN 112279964A
Authority
CN
China
Prior art keywords
composite catalyst
mixture
petroleum resin
stirring
antioxidant
Prior art date
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.)
Pending
Application number
CN202011176635.9A
Other languages
Chinese (zh)
Inventor
肖奕萱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suichuan Haichuan Resin Co ltd
Original Assignee
Suichuan Haichuan Resin Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suichuan Haichuan Resin Co ltd filed Critical Suichuan Haichuan Resin Co ltd
Priority to CN202011176635.9A priority Critical patent/CN112279964A/en
Publication of CN112279964A publication Critical patent/CN112279964A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F236/00Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
    • C08F236/02Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
    • C08F236/04Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
    • C08F236/10Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl-aromatic monomers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L47/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds; Compositions of derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2255Oxides; Hydroxides of metals of molybdenum
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation

Abstract

The invention discloses a method for preparing modified m-pentadiene petroleum resin by using a composite catalyst, which comprises the following steps: uniformly mixing aluminum nitrate and anhydrous methanol, adding water and expanded graphite for impregnation, dropwise adding ammonia water, stirring, carrying out ultrasonic treatment, standing, washing, filtering, activating, then adding a sodium carbonate aqueous solution for impregnation, drying and roasting to obtain a material A; under the protection of argon, anhydrous aluminum trichloride and xylene are mixed, added into the material A, heated to reflux, stirred, filtered, washed and dried, and then mixed with phosphoric acid and SbCl3Mixing to obtain a composite catalyst; cyclohexane is used as a solvent, a composite catalyst is used as a catalyst, a pentadiene raw material, styrene, 2-methyl-1-butene and myrcene are used as monomers to carry out polymerization reaction, and the mixture is mixed with an antioxidant 1520, a light stabilizer Tinuvin 622LD, an antioxidant DTDTP, expandable graphite, molybdenum trioxide and N-phenyl-alpha naphthylamine after post-treatment, stirred at the temperature of 160-180 ℃ and cooled.

Description

Method for preparing modified m-pentadiene petroleum resin by using composite catalyst
Technical Field
The invention relates to the technical field of petroleum resin, in particular to a method for preparing modified m-pentadiene petroleum resin by using a composite catalyst.
Background
Pentadiene petroleum resin is one of C5 aliphatic petroleum resins, and because it has good compatibility to oil products, grease and synthetic resins, it can be dissolved in many solvents, and after being mixed with other substances, it has good water resistance, acid resistance, low melting point and good adhesion, and it has been widely used in the industries of adhesives, coatings, rubber tires, paper making, etc. Piperylene petroleum resin has many advantages, but also has the defects of low softening point, poor thermo-oxidative stability of unsaturated double bonds contained in a molecular structure and the like, and the application of piperylene petroleum resin in many fields is limited.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a method for preparing modified m-pentadiene petroleum resin by using a composite catalyst, the process is simple, the resin yield is high, the obtained resin has high softening point, good compatibility with other polymers and excellent thermal-oxidative-aging resistance.
The invention provides a method for preparing modified pentadiene petroleum resin by using a composite catalyst, which comprises the following steps:
s1, uniformly mixing aluminum nitrate and anhydrous methanol, adding water and expanded graphite, stirring and dipping for 40-60min, dropwise adding ammonia water, stirring for 10-20min, carrying out ultrasonic treatment for 30-60min, standing, washing, filtering, activating at 165 ℃ for 120-180min, then adding sodium carbonate aqueous solution, dipping for 2-5h, vacuum drying, and roasting for 2-4h under the conditions of 600 ℃ and argon protection to obtain a material A;
s2, under the protection of argon, mixing anhydrous aluminum trichloride with xylene, adding the mixture into the material A, heating the mixture to reflux, stirring the mixture for reaction for 8 to 10 hours, and filtering, washing and drying the mixture after the reaction is finished to obtain a material B;
s3, mixing the material B, phosphoric acid and SbCl3According to the weight ratio of 70-95: 2-4: 9-15 to obtain the composite catalyst;
s4, adding cyclohexane into a reaction device, introducing nitrogen, adding a composite catalyst, stirring and heating to 45-50 ℃, dropwise adding a mixture of a m-pentadiene raw material, styrene, 2-methyl-1-butene and myrcene, continuously stirring and reacting at 45-50 ℃ for 30-60min after the dropwise adding is finished, filtering after the reaction is finished, and washing, distilling and cooling the filtrate to obtain a material C;
s5, mixing the material C with an antioxidant 1520, a light stabilizer Tinuvin 622LD, an antioxidant DTDTP, expandable graphite, molybdenum trioxide and N-phenyl-alpha naphthylamine, stirring for 30-50min at the temperature of 160-180 ℃, and cooling to obtain the modified pentadiene petroleum resin.
Preferably, in S1, the expanded graphite has an expanded volume of 300-400 mL/g.
Preferably, in S1, the standing time is 3-5 h; the power of the ultrasonic wave is 500-550W.
Preferably, in S1, the concentration of the sodium carbonate aqueous solution is 1.5-2.5 mol/L.
Preferably, in S1, the weight ratio of aluminum nitrate, anhydrous methanol, water, expanded graphite and ammonia water is 1-2: 100-200: 800-1300: 4-8: 300-500.
Preferably, in S1, the dropping speed of the ammonia water is 3.5-5 g/min.
Preferably, in S2, the weight ratio of anhydrous aluminum trichloride to xylene to the material A is 3-5: 80-120: 5-10.
Preferably, in S4, the weight ratio of cyclohexane, composite catalyst, piperylene raw material, styrene, 2-methyl-1-butene, myrcene is 80-100: 2-5: 70-85: 2-9: 1-3: 1-5.
Preferably, in S4, the time for dropping the mixture of piperylene raw material, styrene, 2-methyl-1-butene and myrcene is 60-90min, 30-40% of the mass of the mixture is dropped for the first 20-30min, 15-25% of the mass of the mixture is dropped for the middle 10-20min, and the rest of the mixture is dropped for the rest.
Preferably, in S5, the weight ratio of the material C, the antioxidant 1520, the light stabilizer Tinuvin 622LD, the antioxidant DTDTDTDTP, the expandable graphite, the molybdenum trioxide and the N-phenyl-alpha naphthylamine is 100: 0.05-0.12: 0.01-0.1: 0.01-0.3: 0.5-3: 0.1-1: 0.01-0.12.
Preferably, the piperylene feedstock is a by-product of ethylene having a piperylene content of 65-74% by weight.
Preferably, the temperature is maintained at 45-50 ℃ during the dropping of the mixture of piperylene raw material, styrene, 2-methyl-1-butene and myrcene.
The method for preparing modified pentadiene petroleum resin by using the composite catalyst comprises the steps of firstly using aluminum nitrate and expanded graphite as raw materials, controlling reaction conditions, loading alumina on the surface of the expanded graphite, then activating at the temperature of 150-165 ℃ for 120-180min, dipping in a sodium carbonate aqueous solution, obtaining a material A after roasting, wherein the material A has large specific surface area and more active sites, and after being mixed with aluminum trichloride, the material A has high loading amount, can reduce the contact between the aluminum trichloride and water, improves the thermal stability of the material A, and can be mixed with phosphoric acid and SbCl3According to the weight ratio of 70-95: 2-4: the composite catalyst obtained by mixing the 9-15 weight ratio is used as a catalyst for preparing m-pentadiene petroleum resin, the catalytic activity is high, and the resin yield is high; styrene, 2-methyl-1-butene, myrcene and piperylene are specifically selected to be matched as polymerization monomers, the obtained resin has high softening point and good compatibility with other polymers, and then an antioxidant 1520, a light stabilizer Tinuvin 622LD, an antioxidant DTDTDTP, expandable graphite, molybdenum trioxide and N-phenyl-alpha naphthylamine are added, so that the performances of all the substances are cooperated, the optimal matching effect is exerted, and the styrene, the 2-methyl-1-butene, the myrcene and the piperylene are endowed with the best matching effectThe resin has excellent thermo-oxidative aging resistance, weather resistance and storage stability; the softening point of the finished resin product prepared by the method is more than or equal to 126 ℃ (the softening point is measured by adopting the method specified in GB/T4507-84), and the resin yield is more than or equal to 88.3%; heating at 190 deg.C for 4h with Gardner color number change of 1.2 or less, and storing at 40 deg.C for 15d with Gardner color number change of 1 or less; and (3) weather resistance test: the Gardner color number change is less than or equal to 1.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific examples.
Example 1
A method for preparing modified m-pentadiene petroleum resin by utilizing a composite catalyst comprises the following steps:
s1, uniformly mixing aluminum nitrate and anhydrous methanol, adding water and expanded graphite, stirring and dipping for 60min, dropwise adding ammonia water, stirring for 10min, carrying out ultrasonic treatment for 60min, standing, washing, filtering, activating at 156 ℃ for 120min, then adding a sodium carbonate aqueous solution, dipping for 5h, vacuum drying, and roasting for 4h under the conditions of 500 ℃ and argon protection to obtain a material A;
s2, under the protection of argon, mixing anhydrous aluminum trichloride with xylene, adding the mixture into the material A, heating the mixture to reflux, stirring the mixture for reaction for 8 hours, and filtering, washing and drying the mixture after the reaction is finished to obtain a material B;
s3, mixing the material B, phosphoric acid and SbCl3According to the following steps of 80: 4: 9 to obtain a composite catalyst;
s4, adding cyclohexane into a reaction device, introducing nitrogen, adding a composite catalyst, stirring and heating to 45 ℃, dropwise adding a mixture of a m-pentadiene raw material, styrene, 2-methyl-1-butene and myrcene, continuously stirring and reacting at 45 ℃ for 30min after dropwise adding, filtering after the reaction is finished, and washing, distilling and cooling the filtrate to obtain a material C;
and S5, mixing the material C with an antioxidant 1520, a light stabilizer Tinuvin 622LD, an antioxidant DTDTDTP, expandable graphite, molybdenum trioxide and N-phenyl-alpha naphthylamine, stirring for 50min at 160 ℃, and cooling to obtain the modified pentadiene petroleum resin.
Example 2
A method for preparing modified m-pentadiene petroleum resin by utilizing a composite catalyst comprises the following steps:
s1, uniformly mixing aluminum nitrate and anhydrous methanol, adding water and expanded graphite with an expansion volume of 400mL/g, stirring and soaking for 40min, dropwise adding ammonia water, and stirring for 20min, wherein the weight ratio of the aluminum nitrate to the anhydrous methanol to the water to the expanded graphite to the ammonia water is 2: 200: 1000: 8: 300, dropwise adding ammonia water at a speed of 3.5g/min, performing ultrasound for 30min, wherein the power of the ultrasound is 550W, standing for 3h, washing, filtering, activating at 165 ℃ for 130min, then adding a sodium carbonate aqueous solution with the concentration of 1.5mol/L, soaking for 2h, performing vacuum drying, and roasting for 2h at 600 ℃ under the protection of argon to obtain a material A;
s2, under the protection of argon, mixing anhydrous aluminum trichloride and xylene, and adding the mixture into a material A, wherein the weight ratio of the anhydrous aluminum trichloride to the xylene to the material A is 3: 120: 5, heating to reflux, stirring for reaction for 9 hours, and filtering, washing and drying after the reaction is finished to obtain a material B;
s3, mixing the material B, phosphoric acid and SbCl3According to the following steps of 95: 2: 15 to obtain a composite catalyst;
s4, adding cyclohexane into a reaction device, introducing nitrogen, adding a composite catalyst, stirring and heating to 50 ℃, dropwise adding a mixture of a m-pentadiene raw material, styrene, 2-methyl-1-butene and myrcene, wherein the weight ratio of the cyclohexane to the composite catalyst to the m-pentadiene raw material to the styrene to the 2-methyl-1-butene to the myrcene is 80: 5: 70: 7: 1: 1, continuously stirring and reacting at 50 ℃ for 60min after the dropwise addition is finished, filtering after the reaction is finished, and washing, distilling and cooling the filtrate to obtain a material C; wherein, the time for dripping the mixture of the m-pentadiene raw material, the styrene, the 2-methyl-1-butene and the myrcene is 60min, 40 percent of the mass of the mixture is dripped in the first 30min, 15 percent of the mass of the mixture is dripped in the middle 20min, and the rest of the mixture is dripped in the rest time;
s5, mixing the material C with an antioxidant 1520, a light stabilizer Tinuvin 622LD, an antioxidant DTDTP, expandable graphite, molybdenum trioxide and N-phenyl-alpha naphthylamine, wherein the weight ratio of the material C to the antioxidant 1520 to the light stabilizer Tinuvin 622LD, the antioxidant DTDTP to the expandable graphite to the molybdenum trioxide to the N-phenyl-alpha naphthylamine is 100: 0.12: 0.01: 0.3: 0.5: 1: 0.01, stirring for 30min at 180 ℃, and cooling to obtain the modified piperylene petroleum resin.
Example 3
A method for preparing modified m-pentadiene petroleum resin by utilizing a composite catalyst comprises the following steps:
s1, uniformly mixing aluminum nitrate and anhydrous methanol, adding water and expanded graphite with an expansion volume of 300mL/g, stirring and soaking for 46min, dropwise adding ammonia water, and stirring for 18min, wherein the weight ratio of the aluminum nitrate to the anhydrous methanol to the water to the expanded graphite to the ammonia water is 1.2: 100: 800: 4: 500, dropwise adding ammonia water at a speed of 5g/min, performing ultrasound for 38min at a power of 500W, standing for 5h, washing, filtering, activating at 150 ℃ for 180min, adding a 2mol/L sodium carbonate aqueous solution, soaking for 4h, performing vacuum drying, and roasting at 520 ℃ for 3.3h under the protection of argon to obtain a material A;
s2, under the protection of argon, mixing anhydrous aluminum trichloride and xylene, and adding the mixture into a material A, wherein the weight ratio of the anhydrous aluminum trichloride to the xylene to the material A is 5: 80: 7, heating to reflux, stirring for reaction for 10 hours, and filtering, washing and drying after the reaction is finished to obtain a material B;
s3, mixing the material B, phosphoric acid and SbCl3According to the proportion of 70: 2.7: 11 to obtain a composite catalyst;
s4, adding cyclohexane into a reaction device, introducing nitrogen, adding a composite catalyst, stirring and heating to 46 ℃, dropwise adding a mixture of a m-pentadiene raw material, styrene, 2-methyl-1-butene and myrcene, wherein the weight ratio of the cyclohexane to the composite catalyst to the m-pentadiene raw material to the styrene to the 2-methyl-1-butene to the myrcene is 100: 2: 85: 4: 2: 5, continuously stirring and reacting at 46 ℃ for 40min after the dropwise addition is finished, filtering after the reaction is finished, and washing, distilling and cooling the filtrate to obtain a material C; wherein, the time for dripping the mixture of the m-pentadiene raw material, the styrene, the 2-methyl-1-butene and the myrcene is 90min, 40 percent of the mass of the mixture is dripped in the first 20min, 15 percent of the mass of the mixture is dripped in the middle 10min, and the rest of the mixture is dripped in the rest time;
s5, mixing the material C with an antioxidant 1520, a light stabilizer Tinuvin 622LD, an antioxidant DTDTP, expandable graphite, molybdenum trioxide and N-phenyl-alpha naphthylamine, wherein the weight ratio of the material C to the antioxidant 1520 to the light stabilizer Tinuvin 622LD, the antioxidant DTDTP to the expandable graphite to the molybdenum trioxide to the N-phenyl-alpha naphthylamine is 100: 0.05: 0.1: 0.01: 3: 0.1: 0.12, stirring for 42min at 168 ℃, and cooling to obtain the modified piperylene petroleum resin.
Example 4
A method for preparing modified m-pentadiene petroleum resin by utilizing a composite catalyst comprises the following steps:
s1, uniformly mixing aluminum nitrate and anhydrous methanol, adding water and expanded graphite, stirring and dipping for 55min, dropwise adding ammonia water, and stirring for 13min, wherein the weight ratio of the aluminum nitrate to the anhydrous methanol to the water to the expanded graphite to the ammonia water is 1: 130: 1300: 6: 410, dropwise adding ammonia water at a speed of 4.1g/min, performing ultrasound for 55min, wherein the power of the ultrasound is 550W, standing for 3.5h, washing, filtering, activating at 150 ℃ for 140min, then adding a sodium carbonate aqueous solution with the concentration of 2.5mol/L, soaking for 3h, performing vacuum drying, and roasting for 2.5h at 600 ℃ under the protection of argon gas to obtain a material A;
s2, under the protection of argon, mixing anhydrous aluminum trichloride with xylene, adding the mixture into the material A, heating to reflux, stirring to react for 8.5 hours, and filtering, washing and drying after the reaction is finished to obtain a material B; wherein, the weight ratio of the anhydrous aluminum trichloride, the dimethylbenzene to the material A is 3.8: 110: 10;
s3, mixing the material B, phosphoric acid and SbCl3According to a formula of 77: 3: 12 to obtain a composite catalyst;
s4, adding cyclohexane into a reaction device, introducing nitrogen, adding a composite catalyst, stirring and heating to 49 ℃, dropwise adding a mixture of a m-pentadiene raw material, styrene, 2-methyl-1-butene and myrcene, continuously stirring and reacting at 49 ℃ for 55min after dropwise adding, filtering after the reaction is finished, and washing, distilling and cooling the filtrate to obtain a material C; wherein the weight ratio of cyclohexane, composite catalyst, pentadiene raw material, styrene, 2-methyl-1-butene and myrcene is 92: 3: 80: 2: 1.7: 2; dripping the mixture of m-pentadiene raw material, styrene, 2-methyl-1-butene and myrcene for 70min, dripping 40% of the mixture in the first 20min, dripping 25% of the mixture in the middle 10min, and dripping the rest of the mixture in the rest time;
s5, mixing the material C with an antioxidant 1520, a light stabilizer Tinuvin 622LD, an antioxidant DTDTP, expandable graphite, molybdenum trioxide and N-phenyl-alpha naphthylamine, stirring for 38min at 172 ℃, and cooling to obtain the modified pentadiene petroleum resin; wherein the weight ratio of the material C, the antioxidant 1520, the light stabilizer Tinuvin 622LD, the antioxidant DTDTP, the expandable graphite, the molybdenum trioxide and the N-phenyl-alpha naphthylamine is 100: 0.1: 0.03: 0.21: 0.7: 0.9: 0.05.
example 5
A method for preparing modified m-pentadiene petroleum resin by utilizing a composite catalyst comprises the following steps:
s1, uniformly mixing aluminum nitrate and anhydrous methanol, adding water and expanded graphite, stirring and dipping for 40min, dropwise adding ammonia water, and stirring for 15min, wherein the weight ratio of the aluminum nitrate to the anhydrous methanol to the water to the expanded graphite to the ammonia water is 1.2: 170: 900: 7: performing ultrasonic treatment for 50min at 350, standing, washing, filtering, activating at 160 ℃ for 150min, adding a sodium carbonate aqueous solution, soaking for 2h, performing vacuum drying, and roasting for 3.5h at 550 ℃ under the protection of argon gas to obtain a material A; wherein the standing time is 4 hours; the power of the ultrasonic wave is 520W; the concentration of the sodium carbonate aqueous solution is 1.8 mol/L; the dropping speed of the ammonia water is 4.7 g/min;
s2, under the protection of argon, mixing anhydrous aluminum trichloride with xylene, adding the mixture into the material A, heating the mixture to reflux, stirring the mixture for reaction for 8 hours, and filtering, washing and drying the mixture after the reaction is finished to obtain a material B; wherein, the weight ratio of anhydrous aluminum trichloride, dimethylbenzene to the material A is 4.3: 90: 8;
s3, mixing the material B, phosphoric acid and SbCl3According to the following steps of 90: 3: 11 to obtain a composite catalyst;
s4, adding cyclohexane into a reaction device, introducing nitrogen, adding a composite catalyst, stirring and heating to 45 ℃, dropwise adding a mixture of a m-pentadiene raw material, styrene, 2-methyl-1-butene and myrcene, continuously stirring and reacting for 45min at 45 ℃ after dropwise adding, filtering after the reaction is finished, and washing, distilling and cooling the filtrate to obtain a material C; wherein the weight ratio of cyclohexane, composite catalyst, pentadiene raw material, styrene, 2-methyl-1-butene and myrcene is 85: 4: 78: 9: 3: 3; the time for dripping the mixture of the m-pentadiene raw material, the styrene, the 2-methyl-1-butene and the myrcene is 80min, 30% of the mass of the mixture is dripped in the first 30min, 15% of the mass of the mixture is dripped in the middle 20min, and the rest of the mixture is dripped in the rest time;
s5, mixing the material C with an antioxidant 1520, a light stabilizer Tinuvin 622LD, an antioxidant DTDTP, expandable graphite, molybdenum trioxide and N-phenyl-alpha naphthylamine, stirring for 45min at 170 ℃, and cooling to obtain the modified pentadiene petroleum resin; wherein the weight ratio of the material C, the antioxidant 1520, the light stabilizer Tinuvin 622LD, the antioxidant DTDTP, the expandable graphite, the molybdenum trioxide and the N-phenyl-alpha naphthylamine is 100: 0.08: 0.08: 0.1: 2.3: 0.4: 0.1.
the above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. A method for preparing modified m-pentadiene petroleum resin by utilizing a composite catalyst is characterized by comprising the following steps:
s1, uniformly mixing aluminum nitrate and anhydrous methanol, adding water and expanded graphite, stirring and dipping for 40-60min, dropwise adding ammonia water, stirring for 10-20min, carrying out ultrasonic treatment for 30-60min, standing, washing, filtering, activating at 165 ℃ for 120-180min, then adding sodium carbonate aqueous solution, dipping for 2-5h, vacuum drying, and roasting for 2-4h under the conditions of 600 ℃ and argon protection to obtain a material A;
s2, under the protection of argon, mixing anhydrous aluminum trichloride with xylene, adding the mixture into the material A, heating the mixture to reflux, stirring the mixture for reaction for 8 to 10 hours, and filtering, washing and drying the mixture after the reaction is finished to obtain a material B;
s3, mixing the material B, phosphoric acid and SbCl3According to the weight ratio of 70-95: 2-4: 9-15 to obtain the composite catalyst;
s4, adding cyclohexane into a reaction device, introducing nitrogen, adding a composite catalyst, stirring and heating to 45-50 ℃, dropwise adding a mixture of a m-pentadiene raw material, styrene, 2-methyl-1-butene and myrcene, continuously stirring and reacting at 45-50 ℃ for 30-60min after the dropwise adding is finished, filtering after the reaction is finished, and washing, distilling and cooling the filtrate to obtain a material C;
s5, mixing the material C with an antioxidant 1520, a light stabilizer Tinuvin 622LD, an antioxidant DTDTP, expandable graphite, molybdenum trioxide and N-phenyl-alpha naphthylamine, stirring for 30-50min at the temperature of 160-180 ℃, and cooling to obtain the modified pentadiene petroleum resin.
2. The method for preparing modified piperylene petroleum resin using composite catalyst as claimed in claim 1, wherein the expanded volume of the expanded graphite is 300-400mL/g in S1.
3. The method for preparing a modified piperylene petroleum resin using the composite catalyst as claimed in claim 1, wherein the standing time is 3-5h in S1; the power of the ultrasonic wave is 500-550W.
4. The method for preparing a modified piperylene petroleum resin using the composite catalyst as claimed in claim 1, wherein the concentration of the sodium carbonate aqueous solution is 1.5-2.5mol/L in S1.
5. The method for preparing modified piperylene petroleum resin using composite catalyst as claimed in claim 1, wherein in S1, the weight ratio of aluminum nitrate, anhydrous methanol, water, expanded graphite, ammonia water is 1-2: 100-200: 800-1300: 4-8: 300-500.
6. The method for preparing a modified piperylene petroleum resin using the composite catalyst as claimed in claim 1, wherein the dropping speed of the ammonia water in S1 is 3.5-5 g/min.
7. The method for preparing modified piperylene petroleum resin using composite catalyst as claimed in claim 1, wherein in S2, the weight ratio of anhydrous aluminum trichloride, xylene, material a is 3-5: 80-120: 5-10.
8. The method for preparing modified piperylene petroleum resin using composite catalyst as claimed in claim 1, wherein in S4, the weight ratio of cyclohexane, composite catalyst, piperylene raw material, styrene, 2-methyl-1-butene, myrcene is 80-100: 2-5: 70-85: 2-9: 1-3: 1-5.
9. The method for preparing a modified piperylene petroleum resin using the composite catalyst as claimed in claim 1, wherein in S4, the time for dropping the mixture of the piperylene raw material, styrene, 2-methyl-1-butene and myrcene is 60-90min, and 30-40% of the mass of the mixture is dropped for the first 20-30min, 15-25% of the mass of the mixture is dropped for the middle 10-20min, and the remaining mixture is dropped for the remaining time.
10. The method for preparing modified piperylene petroleum resin using composite catalyst according to any one of claims 1 to 9, wherein in S5, the weight ratio of material C, antioxidant 1520, light stabilizer Tinuvin 622LD, antioxidant DTDTP, expandable graphite, molybdenum trioxide, N-phenyl-alpha naphthylamine is 100: 0.05-0.12: 0.01-0.1: 0.01-0.3: 0.5-3: 0.1-1: 0.01-0.12.
CN202011176635.9A 2020-10-29 2020-10-29 Method for preparing modified m-pentadiene petroleum resin by using composite catalyst Pending CN112279964A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011176635.9A CN112279964A (en) 2020-10-29 2020-10-29 Method for preparing modified m-pentadiene petroleum resin by using composite catalyst

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011176635.9A CN112279964A (en) 2020-10-29 2020-10-29 Method for preparing modified m-pentadiene petroleum resin by using composite catalyst

Publications (1)

Publication Number Publication Date
CN112279964A true CN112279964A (en) 2021-01-29

Family

ID=74372878

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011176635.9A Pending CN112279964A (en) 2020-10-29 2020-10-29 Method for preparing modified m-pentadiene petroleum resin by using composite catalyst

Country Status (1)

Country Link
CN (1) CN112279964A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1304038A (en) * 1970-04-24 1973-01-24
US4098982A (en) * 1977-03-08 1978-07-04 Arizona Chemical Company Cationic polymerization of piperylene using as the catalyst system an aluminum halide and an inorganic phosphoric acid
JPH01158012A (en) * 1987-08-19 1989-06-21 Asahi Chem Ind Co Ltd Production of conjugated diene based polymers
CN1249732A (en) * 1997-01-08 2000-04-05 赫尔克里士公司 Solid acids as catalyst for preparation of hydrocarbon resins
JP2001354727A (en) * 2000-06-15 2001-12-25 Idemitsu Petrochem Co Ltd Styrene copolymer and manufacturing method therefor
CN1518561A (en) * 2001-05-04 2004-08-04 Random or block co-or terpolymers produced by using of metal complex catalysts
CN102351990A (en) * 2011-07-29 2012-02-15 长春工业大学 Method for preparing m-pentadiene petroleum resin
CN102399346A (en) * 2011-07-29 2012-04-04 长春工业大学 Catalysis system and method for preparing m-pentadiene petroleum resin
CN104277179A (en) * 2014-09-24 2015-01-14 中国石油化工股份有限公司 Method for producing pentadiene petroleum resin by employing free radical thermal polymerization
CN106459328A (en) * 2014-04-02 2017-02-22 科腾聚合物美国有限责任公司 Block copolymers containing a copolymer myrcene block

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1304038A (en) * 1970-04-24 1973-01-24
US4098982A (en) * 1977-03-08 1978-07-04 Arizona Chemical Company Cationic polymerization of piperylene using as the catalyst system an aluminum halide and an inorganic phosphoric acid
JPH01158012A (en) * 1987-08-19 1989-06-21 Asahi Chem Ind Co Ltd Production of conjugated diene based polymers
CN1249732A (en) * 1997-01-08 2000-04-05 赫尔克里士公司 Solid acids as catalyst for preparation of hydrocarbon resins
JP2001354727A (en) * 2000-06-15 2001-12-25 Idemitsu Petrochem Co Ltd Styrene copolymer and manufacturing method therefor
CN1518561A (en) * 2001-05-04 2004-08-04 Random or block co-or terpolymers produced by using of metal complex catalysts
CN102351990A (en) * 2011-07-29 2012-02-15 长春工业大学 Method for preparing m-pentadiene petroleum resin
CN102399346A (en) * 2011-07-29 2012-04-04 长春工业大学 Catalysis system and method for preparing m-pentadiene petroleum resin
CN106459328A (en) * 2014-04-02 2017-02-22 科腾聚合物美国有限责任公司 Block copolymers containing a copolymer myrcene block
CN104277179A (en) * 2014-09-24 2015-01-14 中国石油化工股份有限公司 Method for producing pentadiene petroleum resin by employing free radical thermal polymerization

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
何杰等主编: "《工业催化》", 31 July 2014, 中国矿业大学出版社 *
汪多仁编著: "《新型粘合剂与涂料化学品》", 31 May 2000, 中国建材工业出版社 *
郑春满等编著: "《高等合成化学——方法与实践》", 30 September 2018, 国防工业出版社 *
陈连璋编著: "《沸石分子筛催化》", 31 December 1990, 大连理工大学出版社 *

Similar Documents

Publication Publication Date Title
CN111825793B (en) Double-bonded eugenol crosslinked mussel-imitated high-adhesion hydrogel and preparation method thereof
CN111440324B (en) Preparation method of polyamide polyamine-polyetheramine cylinder sticking agent
CN115368795B (en) Water-based high-solid amino baking paint and preparation method thereof
WO2023045887A1 (en) Method for preparing carbon dioxide-based quaternary copolymer
CN100368446C (en) Method for preparing beta-pinene polymer using alpha-diimine nickel complex as catalyst
CN111974416A (en) Supported solid super acidic catalyst, preparation method and application thereof, and preparation method of ethoxylated trimethylolpropane
CN112279964A (en) Method for preparing modified m-pentadiene petroleum resin by using composite catalyst
CN107915847B (en) Preparation method of anti-aging moisture-curing vinyl resin
CN108219046A (en) A kind of rare earth catalyst and its preparation method and application
CN107586369B (en) A kind of preparation method of trans- more than 1,4 block polybutadienes of cis- 1,4-
CN110684139A (en) Preparation method and application of tung oil-based polymer and preparation method of tung oil-based polymer derivative
CN113956513A (en) Butadiene rubber and preparation method thereof
CN109694418B (en) η3-acetoxy method based pi-allyl nickel initiator and method for synthesizing high cis-1,4 content hydroxyl-terminated polybutadiene by using same
CN113637396A (en) Single-component acrylic acid modified wrinkle paint and resin preparation method
CN112321194A (en) Preparation method of high-temperature-resistant additive for concrete
CN111621124A (en) Production process for improving insufficient bearing capacity of plastic bag
CN1075821C (en) Method for prepn. of polydispersity terminal hydroxy polybutadiene liquid polymer
CN111499512A (en) Process for synthesizing methylacrylic acid acetoacetic acid ethylene glycol diester under catalysis of solid super base
CN115433534B (en) SPU modified polyether adhesive special for automobile sheet metal
CN106916240B (en) A method of preparing rare-earth isoprene rubber catalyst
CN113402457B (en) Preparation method of efficient antioxidant RD
CN112250794A (en) Preparation method of modified m-pentadiene petroleum resin
CN114195938B (en) Preparation method of high-functionality hydroxyl-terminated liquid rubber
CN112552871B (en) Asphalt-based crack pouring adhesive and preparation method thereof
CN114524733B (en) Water-soluble polyester monomer and preparation method and application thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20210129

RJ01 Rejection of invention patent application after publication