Pasty organic peroxide cross-linking agent and compounding process thereof

An organic peroxide and cross-linking agent technology, which is applied in the field of pasty organic peroxide cross-linking agent and its compounding process, can solve the problems of poor product uniformity, unstable system, uneven dispersion, etc., and achieve convenient Transportation and use, excellent physical stability, excellent effect of physical stability

Pending Publication Date: 2021-03-19
SHANDONG YANGGU HUATAI CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Water is the most common and cheap desensitizer, but after high-purity organic peroxides are dispersed in water, system instability such as settling and floating often occurs, resulting in poor product uniformity and affecting product use
At the same time, simply dispersing high-purity organic peroxides into water, since th

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0028] Example 1:

[0029] A compound process of a paste organic peroxide crosslinking agent, including the following steps:

[0030] Step 1, in accordance with the ratio of 47% to 53% to 53% by weight, 14% to 18% by weight of the water is mixed, and the tendenzoyl and water are made. Mixture, spare;

[0031] Step 2, in the mixture of dibenzoyl and water in step 1, 20% to 24% is added to the weight, and the stirring device is opened, and the mixture is 2000 r / min ~ 2500r / min, stirring 0.5H ~ 1.0H. , Mix evenly, mixture, spare, spare, and spare of the dibenzoyl, water and sensitization agent;

[0032] Step 3, in the mixture of the peroxide, water and a sensitizer of the step 2, the nonionic surfactant is added to 0.1% to 2.0%, the inorganic filler is 4% to 15%, and the emulsifier is opened. Continue to carry out 1.0H ~ 3.0H, produce emulsion;

[0033] Step 4, in the emulsion supplemented with a sensitizer in a weight gauge, adding the sensitizer to 20% to 26%, continued emulsif...

Example Embodiment

[0038] Example 2:

[0039] A compound process of a paste organic peroxide crosslinking agent, including the following steps:

[0040] Step 1, in accordance with the ratio of 47% to 53% to 53% by weight, 14% to 18% by weight of the water is mixed, and the tendenzoyl and water are made. Mixture, spare;

[0041] Step 2, in the mixture of dibenzoyl and water in step 1, 20% to 26%, stirring is mixed, and a mixture of oxidized diphenyl, water and sensitizer is made. spare;

[0042] Step 3, in the mixture of the peroxide, water and a sensitizer of the step 2, the nonionic surfactant is added 0.1% to 2.0%, 4% to 15% inorganic filler, emulsified, and prepared Vegent organic peroxide crosslinking agent.

[0043] The temperature control device is turned on during compounding, and always maintains the system temperature of 20 ° C to 25 ° C.

[0044] The nonionic surfactant refers to a polyether type nonionic surfactant, a block polymer of methyl epoxyethylene oxide and ethylene oxide.

[0045...

Example Embodiment

[0047] Example 3:

[0048] A compound process of a paste organic peroxide crosslinking agent, including the following steps:

[0049] Step 1, the oxide diobenzoyl and water are mixed in advance, and the content of the diodebenzoyl is 75% (by weight), the other is moisture, which is made into a mixture of oxidized dibenzoyl and water. spare;

[0050]Step 2, in the 5L enamel reaction kettle equipped with a conventional emulsifier, a stirrer, a mixture of 2680 g of a vaporbenzoyl and aqueous mixture (a water content of 25%), 920 g of acetyl citrate, The stirring device was opened, stirred according to the rotational speed of 2200r / min, stirred at a mixture, stirred well, prepared mixture of dibenzoyl, water and acetyl citrate, spare;

[0051] Step 3, in the mixture of the peroxide, water and acetyl tributyl of step 2, 80 g of a polyether nonionic surfactant Pluronicrpe, 240 g of nanocalbonate, and open the emulsifier Continue for 2.0 hours, produce emulsion;

[0052] Step 4, the em...

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Abstract

The invention discloses a pasty organic peroxide cross-linking agent, belongs to the technical field of peroxide cross-linking agents, and particularly relates to a pasty organic peroxide cross-linking agent and a compounding process thereof. The pasty organic peroxide cross-linking agent is characterized by comprising the following components by weight: 47%-53% of dibenzoyl peroxide, 14%-18% of water, 0.1%-2.0% of a non-ionic surfactant, 20%-26% of a desensitizer and 4%-15% of inorganic filler. The pasty organic peroxide cross-linking agent provided by the invention has the positive effects of uniform product, no layering, convenient transportation and use, safety and reliability.

Description

technical field [0001] The invention belongs to the technical field of peroxide crosslinking agents, in particular to a pasty organic peroxide crosslinking agent and its compounding process. Background technique [0002] High-purity organic peroxides are extremely sensitive to heat, shock, impact and friction, and are easily decomposed, producing a large amount of methane, ethane, acetone, carbon dioxide and other gases. The pressure of destroying the package can easily lead to explosion and fire. In order to ensure the safety of organic peroxides in use and storage, auxiliary materials such as phlegmatizers and stabilizers are usually added to high-purity organic peroxides to form a mixture with stable properties and uniform texture. Water is the most common and cheap phlegmatizer, but after high-purity organic peroxides are dispersed in water, system instability such as settling and floating often occurs, resulting in poor product uniformity and affecting product use. At...

Claims

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Application Information

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IPC IPC(8): C08K5/14C08K3/26C08K3/36C08K3/34C08K5/11C08L23/20C08L23/16C08L83/04
CPCC08K5/14C08K3/26C08K3/36C08K3/346C08K5/11C08L23/22C08L23/16C08L83/04C08K2003/265
Inventor 王文博李庆朝杜孟成马德龙李剑波黄存影
Owner SHANDONG YANGGU HUATAI CHEM
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