Military high-power heavy vehicle diesel engine oil and its production process

Abstract

The application discloses a military high-power heavy vehicle diesel engine oil and a production process thereof, and relates to the technical field of mechanical equipment. The raw material of the diesel engine oil comprises base oil 74-84%, additives 13-18%, and tackifier 3-8% in percentage by mass. The additives are composed of 0.3-1 part of extreme pressure anti-wear agent, 8-10.1 parts of cleaning dispersant, 1.7-1.9 parts of nano additive, and 3-5 parts of pour point depressant. The cleaning dispersant is amine modified polyisobutylene succinate. The nano additive comprises nano cerium oxide and nitrogen-containing heterocyclic borate, and the mass ratio of the two is 0.7-0.9:1. The military high-power heavy vehicle diesel engine oil provided by the application has excellent low-temperature starting property, high-temperature stability, cleaning dispersibility and wear-resistant lubricity.

Description

TECHNICAL FIELD

[0001] The application relates to the field of mechanical equipment technology, in particular to a military high-power heavy vehicle diesel engine oil and a production process thereof. BACKGROUND

[0002] Military oil mainly includes fuel oils such as gasoline, diesel, jet fuel, and lubricating oil and grease. Military diesel engine oil is mainly used for high-power heavy vehicles such as tanks, armored vehicles and submarines. The quality of the military diesel engine oil is of great significance to the tactical and technical performance of military equipment and the service life of the machinery.

[0003] Due to the extremely special and complex use environment of military high-power heavy vehicles, they often run in various extreme natural conditions such as high temperature, high cold, plateau, desert and marsh. In this extreme use environment, the high-temperature stability problem of military high-power heavy vehicles gradually emerges. Because the engine generates a large amount of heat when running at high load, and the high-temperature environment further aggravates the difficulty of heat dissipation, the engine temperature is too high, which affects the normal operation and performance of the engine. Long-term operation in high-temperature environment may accelerate the wear and aging of engine parts and shorten the service life of the vehicle.

[0004] Therefore, it is urgent to seek an effective solution to improve the stability of the military high-power heavy vehicle diesel engine oil in the high-temperature environment. SUMMARY

[0005] In order to further improve the high-temperature stability of the military high-power heavy vehicle diesel engine oil, the application provides a military high-power heavy vehicle diesel engine oil and a production process thereof.

[0006] The military high-power heavy vehicle diesel engine oil provided by the application adopts the following technical scheme:

[0007] A military high-power heavy vehicle diesel engine oil, the raw materials of which include, by mass percentage, base oil 74-84%, additive 13-18%, and tackifier 3-8%.

[0008] The additive is composed of the following raw materials: 0.3-1 part of extreme pressure anti-wear agent, 8-10.1 parts of detergent dispersant, 1.7-1.9 parts of nano additive, and 3-5 parts of pour point depressant.

[0009] The detergent dispersant is amine-modified polyisobutylene succinate, and the nano additive includes nano cerium oxide and nitrogen-containing heterocyclic borate ester, and the mass ratio of the two is 0.7-0.9:1.

[0010] Preferably, the raw materials of the military high-power heavy vehicle diesel engine oil include, by mass percentage, base oil 79%, additive 16%, and tackifier 5%.

[0011] Preferably, the base oil comprises 40-50% 250N Group III paraffin-based synthetic oil, 30-40% 150N Group III paraffin-based synthetic oil, and the balance is alkyl naphthalene.

[0012] Preferably, the tackifier is HSD tackifier.

[0013] Preferably, the tackifier is HSD tackifier.

[0014] Preferably, the amine-modified polyisobutylene succinate is prepared from the following raw materials: polyisobutylene succinic anhydride, polyglycerol, N-aminoethyl piperazine; the molar ratio of the polyisobutylene succinic anhydride, polyglycerol, N-aminoethyl piperazine is 1:0.9-1.1:0.6-1.6.

[0015] Preferably, the preparation method of the amine-modified polyisobutylene succinate comprises the following steps:

[0016] S1. polyisobutylene succinic anhydride and polyglycerol are added to a reactor and reacted at 160-200°C for 9-11h under nitrogen protection to obtain polyisobutylene succinate;

[0017] S2. N-aminoethyl piperazine is added to the polyisobutylene succinate obtained in S1, and reacted at 140-180°C for 6-10h under nitrogen protection to obtain the amine-modified polyisobutylene succinate.

[0018] Preferably, the nitrogen-containing heterocyclic borate is prepared from the following raw materials by weight: 17.7-26.7 parts of benzotriazole, 24.5-36.7 parts of formaldehyde, 30-45 parts of distilled water, 2.5-3.8 parts of boric acid, 15-22.5 parts of dodecanol, and 26-43 parts of toluene.

[0019] Preferably, the preparation method of the nitrogen-containing heterocyclic borate comprises the following steps:

[0020] S1. Benzotriazole, formaldehyde and distilled water are continuously stirred at room temperature to fully mix the three; then heated and stirred at 75-85°C for 30-40min; to obtain the intermediate product 1-hydroxymethyl benzotriazole;

[0021] S2. Boric acid and dodecanol are added to the 1-hydroxymethyl benzotriazole; toluene is added as a dehydrating agent, and the reactants are heated and refluxed and stirred at 110-120°C for 3-4h, then the reaction is stopped, and the nitrogen-containing heterocyclic borate is obtained after cooling.

[0022] The application provides a production process of a military high-power heavy vehicle diesel engine oil, which adopts the following technical scheme:

[0023] The production process of a military high-power heavy vehicle diesel engine oil comprises the following steps:

[0024] S1. Prepare raw materials according to the mass percentage of each raw material;

[0025] S2. Put the base oil into the blending kettle, stir and heat to 50-60℃, stir for 60-80 min, then measure the physical and chemical indexes, and adjust the base oil according to the measurement results;

[0026] S3. Then add additives and tackifiers into the blending kettle, mix and stir for 5-6 h to obtain the finished product.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] 1. The present application uses polyisobutylene succinic anhydride and polyglycerol as raw materials to synthesize polyisobutylene succinate, and then modifies the polyisobutylene succinate with N-aminoethylpiperazine, which is a cyclic amine with a unique structure and reactivity, effectively improving the stability of diesel oil at high temperature; At the same time, it can effectively disperse pollutants and sediments in diesel oil, prevent the formation of deposits on the metal surface, and improve its detergency and dispersion performance.

[0029] 2. Nitrogen-containing heterocyclic borate has good biodegradability, good antioxidant and corrosion resistance, and excellent friction reduction and wear resistance. The use of nitrogen-containing heterocyclic borate and nano cerium oxide in diesel oil can further significantly improve the friction reduction and wear resistance of diesel oil; At the same time, it can effectively improve the high and low temperature stability of diesel oil, reduce the equipment temperature and prolong the service life of the equipment. DETAILED DESCRIPTION

[0030] The present application will be further described in detail below in combination with examples.

[0031] Preparation of amine-modified polyisobutylene succinate

[0032] Preparation Example 1.1

[0033] S1. 100g of polyisobutylene succinic anhydride and 21.6g of triglycerol were added to the reactor, and reacted at 160℃ for 9h under nitrogen protection to obtain polyisobutylene succinate;

[0034] S2. 7.8g of N-aminoethylpiperazine was added to the polyisobutylene succinate obtained in S1, and reacted at 140℃ for 6h under nitrogen protection to obtain amine-modified polyisobutylene succinate.

[0035] Preparation Example 1.2

[0036] S1. 100g of polyisobutylene succinic anhydride and 24g of triglycerol were added to the reactor, and reacted at 180℃ for 10h under nitrogen protection to obtain polyisobutylene succinate;

[0037] S2. To the polyisobutylene succinate obtained from S1, 12.9 g of N-aminoethylpiperazine was added and reacted at 160 °C for 8 h under nitrogen protection to obtain the amine-modified polyisobutylene succinate.

[0038] Preparation Example 1.3

[0039] S1. 100 g of polyisobutylene succinic anhydride, 26.4 g of triglycerol were added to a reactor and reacted at 200 °C for 11 h under nitrogen protection to obtain polyisobutylene succinate;

[0040] S2. To the polyisobutylene succinate obtained from S1, 18.1 g of N-aminoethylpiperazine was added and reacted at 180 °C for 10 h under nitrogen protection to obtain the amine-modified polyisobutylene succinate.

[0041] Preparation of nitrogen-containing heterocyclic borate

[0042] Preparation Example 2.1

[0043] S1. 17.7 g of benzotriazole, 24.5 g of formaldehyde and 30 g of distilled water were continuously stirred at room temperature to fully mix the three; then heated and stirred at 75 °C for 30 min; to obtain the intermediate product 1-hydroxymethyl benzotriazole;

[0044] S2. To the 1-hydroxymethyl benzotriazole, 2.5 g of boric acid and 15 g of dodecanol were added; 26 g of toluene was added as a dehydrating agent, the reactants were heated and refluxed and stirred, the reaction was stopped after 3 h of reaction, and after cooling, the nitrogen-containing heterocyclic borate was obtained.

[0045] Preparation Example 2.2

[0046] S1. 22.2 g of benzotriazole, 30.6 g of formaldehyde and 37.5 g of distilled water were continuously stirred at room temperature to fully mix the three; then heated and stirred at 80 °C for 35 min; to obtain the intermediate product 1-hydroxymethyl benzotriazole;

[0047] S2. To the 1-hydroxymethyl benzotriazole, 3.15 g of boric acid and 18.8 g of dodecanol were added; 34.5 g of toluene was added as a dehydrating agent, the reactants were heated and refluxed and stirred, the reaction was stopped after 3.5 h of reaction, and after cooling, the nitrogen-containing heterocyclic borate was obtained.

[0048] Preparation Example 2.3

[0049] S1. 26.7 g of benzotriazole, 36.7 g of formaldehyde and 30 g of distilled water were continuously stirred at room temperature to fully mix the three; then heated and stirred at 85 °C for 40 min; to obtain the intermediate product 1-hydroxymethyl benzotriazole;

[0050] S2. To 1-hydroxymethyl benzotriazole, 2.5 g boric acid and 15 g dodecanol were added; 26 g toluene was added as a dehydrating agent, the reaction was heated and stirred at reflux at 120°C, and after 4 h of reaction, the reaction was stopped, and after cooling, a nitrogen-containing heterocyclic borate ester was obtained.

[0051] Example 1

[0052] S1. A military high-power heavy vehicle diesel engine oil, comprising base oil 74 g, additives 18 g; tackifier HSD 8 g; the base oil used in this example comprises, by mass ratio, 40% 250N Class III paraffin-based synthetic oil, 40% 150N Class III paraffin-based synthetic oil, and 20% alkyl naphthalene; the additives used are composed of the following raw materials: 1 g extreme pressure anti-wear agent thiophosphoric acid acrylate, 10.1 g detergent dispersant prepared by Preparation Example 1.1, 1.9 g nano additive, and 5 g pour point depressant polymethacrylate; the nano additive comprises nano cerium oxide and nitrogen-containing heterocyclic borate ester prepared by Preparation Example 2.1, and the mass ratio of the two is 0.7:1;

[0053] S2. The base oil was put into a blending kettle, stirred, and heated to 50°C, and after stirring for 60 min, the physicochemical indexes were measured, and the base oil was adjusted according to the measurement results;

[0054] S3. Then the additives and the tackifier were put into the blending kettle, and fully mixed and stirred for 5 h to obtain the finished product.

[0055] Example 2

[0056] S1. A military high-power heavy vehicle diesel engine oil, comprising base oil 74 g, additives 18 g; tackifier HSD 8 g; the base oil used in this example comprises, by mass ratio, 40% 250N Class III paraffin-based synthetic oil, 40% 150N Class III paraffin-based synthetic oil, and 20% alkyl naphthalene; the additives used are composed of the following raw materials: 1 g extreme pressure anti-wear agent thiophosphoric acid acrylate, 10.1 g detergent dispersant prepared by Preparation Example 1.1, 1.9 g nano additive, and 5 g pour point depressant polymethacrylate; the nano additive comprises nano cerium oxide and nitrogen-containing heterocyclic borate ester prepared by Preparation Example 2.1, and the mass ratio of the two is 0.7:1;

[0057] S2. The base oil was put into a blending kettle, stirred, and heated to 55°C, and after stirring for 70 min, the physicochemical indexes were measured, and the base oil was adjusted according to the measurement results;

[0058] S3. Then the additives and the tackifier were put into the blending kettle, and fully mixed and stirred for 5.5 h to obtain the finished product.

[0059] Example 3

[0060] S1. A military high-power heavy vehicle diesel engine oil, comprising base oil 74g, additives 18g; tackifier HSD 8g; the base oil used in this embodiment comprises, by mass ratio, 40% 250N Group III paraffin-based synthetic oil, 40% 150N Group III paraffin-based synthetic oil, and 20% alkyl naphthalene; the additives used are composed of the following raw materials: 1g extreme pressure anti-wear agent thiophosphoric acid acrylate, 10.1g detergent dispersant prepared by Preparation Example 1.1, 1.9g nano additive, and 5g pour point depressant polymethacrylate; the nano additive comprises nano cerium oxide and nitrogen-containing heterocyclic borate prepared by Preparation Example 2.1, and the mass ratio of the two is 0.7:1;

[0061] S2. The base oil is put into the blending kettle, stirred, and heated to 60°C. After stirring for 80 min, the physicochemical indexes are measured, and the base oil is adjusted according to the measurement results;

[0062] S3. Then the additives and the tackifier are put into the blending kettle, and fully mixed and stirred for 6h to obtain the finished product.

[0063] Example 4

[0064] S1. A military high-power heavy vehicle diesel engine oil, comprising base oil 74g, additives 18g; tackifier HSD 8g; the base oil used in this embodiment comprises, by mass ratio, 40% 250N Group III paraffin-based synthetic oil, 40% 150N Group III paraffin-based synthetic oil, and 20% alkyl naphthalene; the additives used are composed of the following raw materials: 1g extreme pressure anti-wear agent thiophosphoric acid acrylate, 10.1g detergent dispersant prepared by Preparation Example 1.1, 1.9g nano additive, and 5g pour point depressant polymethacrylate; the nano additive comprises nano cerium oxide and nitrogen-containing heterocyclic borate prepared by Preparation Example 2.1, and the mass ratio of the two is 0.7:1;

[0065] S2. The base oil is put into the blending kettle, stirred, and heated to 60°C. After stirring for 80 min, the physicochemical indexes are measured, and the base oil is adjusted according to the measurement results;

[0066] S3. Then the additives and the tackifier are put into the blending kettle, and fully mixed and stirred for 6h to obtain the finished product.

[0067] Example 5

[0068] S1. A military high-power heavy vehicle engine oil, comprising base oil 84 g, additives 13 g; tackifier HSD 3 g; the base oil used in this embodiment comprises, by mass ratio, 40% 250N Class III paraffin-based synthetic oil, 40% 150N Class III paraffin-based synthetic oil, and 20% alkyl naphthalene; the additives used are composed of the following raw materials: 0.3 g of extreme pressure anti-wear agent thiophosphoric acid acrylate, 8 g of the detergent dispersant prepared in Preparation Example 1.1, 1.7 g of nano additive, and 3 g of pour point depressant polymethacrylate; the nano additive comprises nano cerium oxide and nitrogen-containing heterocyclic borate prepared in Preparation Example 2.1, and the mass ratio of the two is 0.7:1;

[0069] S2. The base oil is put into a blending kettle, stirred, and heated to 50°C. After stirring for 60 min, the physicochemical indexes are measured, and the base oil is adjusted according to the measurement results.

[0070] S3. Then the additives and the tackifier are put into the blending kettle and fully mixed and stirred for 5 h to obtain the finished product.

[0071] Example 6

[0072] Example 6 differs from Example 1 in that the detergent dispersant used in Example 6 is prepared by the method of Preparation Example 1.2.

[0073] Example 7

[0074] Example 7 differs from Example 1 in that the detergent dispersant used in Example 7 is prepared by the method of Preparation Example 1.3.

[0075] Example 8

[0076] Example 8 differs from Example 1 in that the nano additive used in Example 8 comprises nano cerium oxide and nitrogen-containing heterocyclic borate prepared in Preparation Example 2.1, and the mass ratio of the two is 0.8:1.

[0077] Example 9

[0078] Example 9 differs from Example 1 in that the nano additive used in Example 9 comprises nano cerium oxide and nitrogen-containing heterocyclic borate prepared in Preparation Example 2.1, and the mass ratio of the two is 0.9:1.

[0079] Example 10

[0080] Example 10 differs from Example 1 in that the nano additive used in Example 10 comprises nano cerium oxide and nitrogen-containing heterocyclic borate prepared in Preparation Example 2.2, and the mass ratio of the two is 0.7:1.

[0081] Example 11

[0082] Example 11 differs from Example 1 in that the nano-additive used in Example 11 comprises nano cerium oxide and nitrogen-containing heterocyclic borate ester prepared from Preparation Example 2.3, in a mass ratio of 0.7:1.

[0083] Example 12

[0084] Example 12 differs from Example 1 in that the base oil used in Example 12 comprises, by mass ratio, 45% 250N Group III paraffin-based synthetic oil, 35% 150N Group III paraffin-based synthetic oil, and 20% alkyl naphthalene.

[0085] Example 13

[0086] Example 13 differs from Example 1 in that the base oil used in Example 13 comprises, by mass ratio, 50% 250N Group III paraffin-based synthetic oil, 30% 150N Group III paraffin-based synthetic oil, and 20% alkyl naphthalene.

[0087] Comparative Example 1

[0088] S1. A military high-power heavy vehicle engine oil, comprising base oil 69g, additives 20g; tackifier HSD11g; the base oil used in this embodiment comprises, by mass ratio, 40% 250N Group III paraffin-based synthetic oil, 40% 150N Group III paraffin-based synthetic oil, and 20% alkyl naphthalene; the additives used are composed of the following raw materials: 1.3g extreme pressure anti-wear agent thiophosphoric acid acrylate, 10.7g detergent dispersant prepared from Preparation Example 1.1, 2g nano-additive, 6g pour point depressant polymethacrylate; the nano-additive comprises nano cerium oxide and nitrogen-containing heterocyclic borate ester prepared from Preparation Example 2.1, in a mass ratio of 0.7:1;

[0089] S2. The base oil is put into a blending kettle, stirred, and heated to 50°C, and after stirring for 60 min, the physicochemical indexes are measured, and the base oil is adjusted according to the measurement results;

[0090] S3. Then the additives and tackifier are put into the blending kettle, and mixed and stirred for 5h to obtain the finished product.

[0091] Comparative Example 2

[0092] S1. A military high-power heavy vehicle engine oil, comprising base oil 89 g, additives 10 g; tackifier HSD 1 g; the base oil used in this embodiment comprises 40% 250N Class III paraffin-based synthetic oil, 40% 150N Class III paraffin-based synthetic oil, and 20% alkyl naphthalene by mass ratio; the additives used are composed of: 0.1 g extreme pressure anti-wear agent thiophosphoric acid acrylate, 6.3 g detergent dispersant prepared by Preparation Example 1.1, 1.6 g nano additive, and 2 g pour point depressant polymethacrylate; the nano additive comprises nano cerium oxide and nitrogen-containing heterocyclic borate prepared by Preparation Example 2.1, and the mass ratio of the two is 0.7:1;

[0093] S2. The base oil is put into a blending kettle, stirred, and heated to 50°C. After stirring for 60 min, the physical and chemical indexes are measured, and the base oil is adjusted according to the measurement results;

[0094] S3. Then the additives and tackifiers are put into the blending kettle and fully mixed and stirred for 5 h to obtain the finished product.

[0095] Comparative Example 3

[0096] Comparative Example 3 differs from Example 1 in that the nano additive used in Comparative Example 3 comprises nano cerium oxide and nitrogen-containing heterocyclic borate prepared by Preparation Example 2.1, and the mass ratio of the two is 0.6:1.

[0097] Comparative Example 4

[0098] Comparative Example 4 differs from Example 1 in that the nano additive used in Comparative Example 4 comprises nano cerium oxide and nitrogen-containing heterocyclic borate prepared by Preparation Example 2.1, and the mass ratio of the two is 1:1.

[0099] Comparative Example 5

[0100] Comparative Example 5 differs from Example 1 in that the detergent dispersant used in Comparative Example 5 is polyisobutylene succinic anhydride.

[0101] Comparative Example 6

[0102] Comparative Example 6 differs from Example 1 in that the nano additive used in Comparative Example 6 only comprises nano cerium oxide.

[0103] Performance detection test

[0104] I. The high-temperature kinematic viscosity and low-temperature starting viscosity of the engine oils obtained in Examples 1-13 and Comparative Examples 1-6 were detected by using GB / T 265-1988 "Method for Determining Kinematic Viscosity of Petroleum Products and Method for Calculating Dynamic Viscosity", and the results are shown in Table 1.

[0105] II. The high temperature high shear viscosity of the diesel engine oils obtained in Examples 1-13 and Comparative Examples 1-6 was detected by SH / T 0703-2001 "Determination of apparent viscosity of lubricating oils under high temperature and high shear rate (multi-capillary viscometer method)", and the results are shown in Table 1.

[0106] III. The friction coefficient of the diesel engine oils obtained in Examples 1-13 and Comparative Examples 1-6 was detected by SH / T 0762-2005 "Determination of friction coefficient of lubricating oils (four-ball method)", and the results are shown in Table 1. The specific detection results are as follows:

[0107] Table 1: Performance detection results

[0108]

[0109]

[0110] From the detection results in Table 1, the military high-power heavy vehicle diesel engine oil and the production process thereof provided in the application have suitable high temperature kinematic viscosity, low temperature starting viscosity, good high temperature detergency and lubricating friction reducing property.

[0111] The specific embodiments are only an explanation of the application, and are not a limitation of the application, and those skilled in the art can make modifications to the embodiments without creative contribution after reading the specification, but as long as the modifications are within the scope of the claims of the application, they are protected by the Patent Law.

Claims

1. A military high-power heavy-duty vehicle engine oil, characterized in that: consists of 74-84% base oil, 13-18% additives, 3-8% tackifier by mass percentage; The additives consist of 0.3-1% extreme pressure anti-wear agent, 8-10.1% detergent dispersant, 1.7-1.9% nano additive, 3-5% pour point depressant by mass percentage of total diesel oil; The detergent dispersant is amine modified polyisobutylene succinate; the nano additive consists of nano cerium oxide and nitrogen-containing heterocyclic borate, and the mass ratio of the two is 0.7-0.9:1; The base oil consists of 40-50% 250N Ⅲ paraffin-based synthetic oil, 30-40% 150N Ⅲ paraffin-based synthetic oil, and the rest is alkyl naphthalene by mass percentage of total base oil; The amine modified polyisobutylene succinate is prepared from polyisobutylene succinic anhydride, polyglycerol, and N-aminoethyl piperazine; the molar ratio of the three is 1:0.9-1.1:0.6-1.6; The preparation method of the amine modified polyisobutylene succinate comprises the following steps: S1. polyisobutylene succinic anhydride and polyglycerol are added to a reactor and reacted at 160-200℃ for 9-11h under nitrogen protection to obtain polyisobutylene succinate; S2. N-aminoethyl piperazine is added to the polyisobutylene succinate obtained in S1, and reacted at 140-180℃ for 6-10h under nitrogen protection to obtain the amine modified polyisobutylene succinate; The nitrogen-containing heterocyclic borate is prepared from the following raw materials by weight: 17.7-26.7 parts of benzotriazole, 24.5-36.7 parts of formaldehyde, 30-45 parts of distilled water, 2.5-3.8 parts of boric acid, 15-22.5 parts of dodecanol, and 26-43 parts of toluene; The preparation method of the nitrogen-containing heterocyclic borate comprises the following steps: S1. continuously stir benzotriazole, formaldehyde, and distilled water at room temperature to fully mix them; then heat and stir at 75-85℃ for 30-40min to obtain intermediate product 1-hydroxymethyl benzotriazole; S2. add boric acid and dodecanol to the 1-hydroxymethyl benzotriazole; add toluene as a dehydrating agent, heat and reflux stir the reactants at 110-120℃, stop the reaction after 3-4h of reaction, and obtain the nitrogen-containing heterocyclic borate after cooling.

2. The military heavy-duty vehicle engine oil of claim 1, wherein: The raw materials of the military high-power heavy vehicle diesel oil consist of 79% base oil, 16% additives, and 5% tackifier by mass percentage.

3. The military heavy-duty vehicle engine oil of claim 1 or 2, wherein: The tackifier is HSD tackifier.

4. The military heavy-duty vehicle engine oil of claim 1, wherein: The extreme pressure anti-wear agent is thio-phosphoric acid acrylate.

5. The process for producing a military high-power heavy-duty vehicle engine oil according to any one of claims 1 to 4, characterized in that: The method comprises the following steps: S1. prepare the raw materials according to the mass percentage of each raw material; S2. pour the base oil into a blending kettle, stir, and heat to 50-60℃; after stirring for 60-80min, measure the physical and chemical indicators, and adjust the base oil according to the measurement results; S3. then pour the additives and tackifier into the blending kettle, fully mix and stir for 5-6h to obtain the finished product.

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