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A method for producing rubber protective wax by sweating

A rubber protective wax, the purpose technology, applied in the direction of petroleum wax recovery, petroleum wax refining, etc., can solve the problems of long production cycle and low product yield

Active Publication Date: 2019-05-21
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these methods still have disadvantages such as low product yield and long production cycle.

Method used

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  • A method for producing rubber protective wax by sweating
  • A method for producing rubber protective wax by sweating
  • A method for producing rubber protective wax by sweating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] This embodiment includes three parts: (A) preparation of low melting point components, (B) preparation of high melting point components and (C) blending.

[0062] A) Preparation of low melting point components

[0063] This part includes four steps: (A1) preparation, (A2) crystallization, (A3) heating-constant temperature sweating, (A4) refining.

[0064] (A1) Preparations

[0065] Connect the sealing system of the sweating dish with the pressurized buffer tank and the compressor; install the decompression buffer tank and connect the vacuum pump at the lower part of the sweating dish; connect the jacket of the sweating dish and the movable coil with the circulation system, and fix the coil in the On the sweating dish; use water as the heating medium; start the heating function of the circulation system to raise the temperature of the circulating water to 63°C. Put water under the sweating dish plate.

[0066] 52 # Semi-refined wax (PetroChina Daqing Petrochemical, m...

Embodiment 2

[0092] This embodiment includes three parts: (A) preparation of low melting point components, (B) preparation of high melting point components and (C) blending.

[0093] A) Preparation of low melting point components

[0094] This part includes four steps: (A1) preparation, (A2) crystallization, (A3) heating-constant temperature sweating, (A4) refining.

[0095] (A1) Preparations

[0096] Connect the sealing system of the sweating dish with the pressurized buffer tank and the compressor; install the decompression buffer tank and connect the vacuum pump at the lower part of the sweating dish; connect the jacket of the sweating dish and the movable coil with the circulation system, and fix the coil in the On the sweating dish; use water as the heating medium; start the heating function of the circulation system to raise the temperature of the circulating water to 63°C. Put water under the sweating dish plate.

[0097] 52 # Semi-refined wax (same as in Example 1) was heated t...

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Abstract

The invention discloses a method for sweating and producing rubber protecting wax. According to the method disclosed by the invention, stable and tiny bubbles are formed from a sweating raw material in a wax layer in presence of a bubble stabilizer so as to promote rapid discharge of oil on the basis of an ordinary sweating process. Meanwhile, the wax and oil can be separated in a forced manner by utilizing airflow through a wax layer in the sweating process, so that unsuitable components for the rubber protecting wax in paraffin can be rapidly and effectively removed, and the rubber protecting wax product is produced by blending. The method disclosed by the invention has the advantages of being low in device investment, simple in production process, low in operating cost, solvent-free and environment-friendly, capable of enabling the product to achieve a long-term effective protecting effect on the rubber and products thereof, and the like.

Description

technical field [0001] The invention belongs to the technical field of special wax production, in particular to a method for producing rubber protective wax by sweating. Background technique [0002] The existence of unsaturated double bonds in some rubber can make the rubber in a high elastic state, but its chemical activity makes the rubber products in the process of processing, storage and use, such as oxygen, ozone and other chemical substances in the air, as well as light, heat, radiation, mechanical Under the action of force and other factors, double bond breakage or crosslinking will occur, resulting in surface cracking, whitening, and mechanical performance degradation of rubber products. These phenomena are collectively referred to as "aging", and ozone is the main factor causing rubber aging. Rubber products, such as tires, undergo accelerated aging processes during dynamic use. As the aging process progresses, the performance of rubber and its products will gradu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G73/36C10G73/42C08L21/00C08L91/06
CPCC08L21/00C10G73/36C10G73/42C08L91/06
Inventor 孙剑锋姚春雷赵威解利辉张志银孙国权
Owner CHINA PETROLEUM & CHEM CORP
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