Method for synthesizing tire rubber reinforcing resin by using bio-oil as raw material

A technology of rubber reinforced resin and bio-oil is applied in the field of tire rubber reinforced resin to achieve the effect of improving reinforcement and reducing production cost

Inactive Publication Date: 2018-07-06
山东泰然生物工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, it is usually used as fuel oil, and there is no report of using it as a rubber reinforcing agent.

Method used

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  • Method for synthesizing tire rubber reinforcing resin by using bio-oil as raw material
  • Method for synthesizing tire rubber reinforcing resin by using bio-oil as raw material

Examples

Experimental program
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Effect test

Embodiment 1

[0025] A method for synthesizing tire rubber reinforced resin with biological oil as raw material, the preparation steps are as follows:

[0026] Add 29.5 Kg of bio-oil, 117.5 Kg of phenol, and 2.3 Kg of 0.1mol / L oxalic acid solution into the reactor, raise the temperature to 100°C, add 60 Kg of formaldehyde solution with a concentration of 37%, and heat up to 100°C for 1 hour. Turn on vacuum dehydration, then add 50 Kg of cashew nut oil, and heat up to 160 ° C for 3 hours. Distill under reduced pressure for 20 minutes under the condition of vacuum degree of 0.08MPa, and then neutralize with 2.1Kg of 30% NaOH solution to obtain tire rubber reinforced resin. The resin has a softening point of 91.2°C and a free phenol content of 0.71%.

Embodiment 2

[0028] A method for synthesizing tire rubber reinforced resin with biological oil as raw material, the preparation steps are as follows:

[0029] Add 44 Kg of bio-oil, 103 Kg of phenol, and 2.7 Kg of p-toluenesulfonic acid into the reactor, raise the temperature to 90°C, and add 90 Kg of formaldehyde solution with a concentration of 37%, raise the temperature to 90°C for 1 hour, and then turn on vacuum dehydration. Then add 54 Kg of cashew nut oil and heat up to 180°C for 1.5 hours. Under the condition of vacuum degree of 0.09MPa, vacuum distillation was carried out for 20min, and then neutralized with 2.5Kg of triethanolamine solution to obtain tire rubber reinforced resin. The resin has a softening point of 95.8°C and a free phenol content of 0.04%.

Embodiment 3

[0031] A method for synthesizing tire rubber reinforced resin with biological oil as raw material, the preparation steps are as follows:

[0032] Add 22.05Kg of bio-oil, 125 Kg of phenol, and 3.4 Kg of 0.1mol / L hydrochloric acid into the reactor, raise the temperature to 95°C, and add 63 Kg of formaldehyde solution with a concentration of 37%, raise the temperature to 95°C for 1 hour, and then turn on vacuum dehydration . Add 35 Kg cashew nut oil again, heat up to 180 ℃ and react for 1.5 hours. Under the condition of vacuum degree of 0.07MPa, vacuum distillation is carried out for 15min, and then neutralized with 0.9Kg of 30% NaOH solution to obtain tire rubber reinforced resin. The resin has a softening point of 101°C and a free phenol content of 0.091%.

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Abstract

The invention provides a method for synthesizing tire rubber reinforcing resin by utilizing bio-oil as a raw material. The method comprises the following synthesis steps: (1) uniformly mixing formaldehyde, bio-oil and phenol according to a mass ratio of (0.5-0.8):(0.2-0.4):(0.8-1.0), simultaneously adding a catalyst, and controlling the pH value to be between 1 and 3; (2) raising the temperature and controlling the temperature to be 90-100 DEG C for reaction for 1-1.5 hours, and then carrying out reduced pressure distillation to remove water; (3) adding cashew oil, controlling the reaction temperature to be 150-200 DEG C, and carrying out a heat preservation reaction for 1-5 hours, wherein the amount of the cashew oil is 0.3-16% of the amount of phenol; (4) carrying out reduced pressure distillation until the softening point is 70-120 DEG C; and (5) neutralizing acid in the resin with a neutralizing agent to obtain the tire rubber reinforcing resin. The reinforcing resin synthesized byutilizing bio-oil solves the problems of high free phenol and possible gelation in production, improves the reinforcing effect of tire rubber compared with pure phenolic resin, and utilizes biomass pyrolysis byproducts, thereby greatly reducing the production cost.

Description

technical field [0001] The invention relates to a tire rubber reinforced resin synthesized from biological oil and a preparation method thereof, belonging to the technical field of tire rubber reinforced resin. Background technique [0002] Rubber reinforcing agent is a kind of compounding agent that can improve the strength of rubber products. The phenolic resin used as rubber reinforcing agent belongs to novolak phenolic resin, usually formaldehyde and phenol (mass ratio is 0.75~0.85) react in acidic medium to produce low Molecular polymer (the number average relative molecular mass is about 2000). The linear structure of novolac resin endows it with solubility (melt) and certain plasticity. Generally, the polymerization of special reinforced phenolic resin for rubber must add a third monomer, and modify the synthesized phenolic resin through oil or latex, so that it has high hardness, high reinforcement, wear resistance, heat resistance, processing safety and compatibili...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G8/24C08L7/00C08L61/06
Inventor 陈鑫成刘玉峰燕博广吕学东
Owner 山东泰然生物工程有限公司
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