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Preparation method of rubber antiscroching agent CTP (cytidine triphosphate) pre-dispersion masterbatch

An anti-scorch agent and pre-dispersion technology, applied in the field of preparation of pre-dispersed master batches, can solve problems such as endangering the health of employees, inaccurate formula measurement, and polluting the environment, and achieve high cost performance, improved compatibility, and improved dispersibility. Effect

Inactive Publication Date: 2012-02-15
河南省汤阴县永新助剂厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

CTP is a milky white, fine crystalline powder. Due to the characteristics of CTP itself, there are sticky rollers and flying dust during the rubber mixing process, resulting in inaccurate formula measurement; at the same time, it endangers the health of employees and pollutes the environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] Example 1. Weigh the anti-coking agent CTP, carrier masterbatch, adhesive dispersant EVA, lubricant, processing oil, inorganic filler, and coupling agent in proportions by weight of 100 kg, 7 kg, 4 kg, 1.2 kg, 2.5㎏, 2.0㎏, 0.1㎏, put the carrier masterbatch, adhesive dispersant EVA, and lubricant into the internal mixer, raise the temperature to 60℃~80℃, and mix for 5min~15min; The coking agent CTP and the processing oil are fully mixed and evenly put into the above-mentioned internal mixer, and the temperature is kept at 60°C~80°C, and mixed for 10min~20min; during the mixing period, inorganic fillers and coupling agents are added; the mixed rubber materials are put into Extruder, extruded and cut into granules of corresponding specifications.

Embodiment 2

[0009] Embodiment 2. Weigh the anti-coking agent CTP, carrier masterbatch, adhesive dispersant EVA, lubricant, processing oil, inorganic filler, coupling agent in proportion by weight 100kg, 13kg, 8kg, 3kg, 6.5 kg, 6.0 kg, and 0.3 kg can be processed according to the preparation method of Example 1.

Embodiment 3

[0010] Example 3: Weigh the anti-scorch agent CTP, carrier masterbatch, adhesive dispersant EVA, lubricant, processing oil, inorganic filler, and coupling agent in proportions by weight of 100 kg, 10 kg, 6 kg, 2 kg, 4.5kg, 4.0kg, 0.2kg, can be processed by the preparation method of Example 1.

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Abstract

The invention relates to an antiscroching additive of rubber and also relates to a preparation method of rubber antiscroching agent CTP (cytidine triphosphate) pre-dispersion masterbatch. The method comprises the following steps: weighting antiscroching agent CTP, carrier masterbatch, adhesive dispersant EVA (ethylene vinyl acetute), a lubricant, processing oil, inorganic filler and coupling agent according to certain weight proportions in turn to perform feed preparation, adding the carrier masterbatch, the adhesive dispersant EVA and the lubricant in a mixer for heating and mixing; then fully mixing rubber antiscroching agent CTP and processing oil, adding the mixture to mix; adding the inorganic filler and the coupling agent during the mixing period; and performing extrusion and pelletization on the mixed rubber material to obtain particles with the corresponding specification. By adopting the method, dust pollutions can be reduced, the working environment can be improved, the accuracy of the formula can be increased, the dispersibility of the CTP active ingredients can be increased, the intermiscibility of CTP and rubber can be increased, and the product has high cost performance, wide application range and wide market prospect.

Description

technical field [0001] The invention relates to an anti-scorch auxiliary agent for rubber, and relates to a preparation method of a pre-dispersed master batch of rubber anti-scorch agent CTP. Background technique [0002] At present, CTP is mainly used as an anti-scorch rubber additive in rubber formulations, and is an indispensable functional additive. CTP is a milky white, fine crystalline powder. Due to the characteristics of CTP itself, there are sticky rollers and flying dust during the rubber mixing process, resulting in inaccurate formula measurement; at the same time, it endangers the health of employees and pollutes the environment. In this context, by preparing CTP in the form of master batches or master tablets, it can reduce dust pollution, improve the working environment, facilitate weighing, improve the accuracy of the formula, improve the dispersibility of the active ingredients of CTP, and improve the quality of CTP. Compatibility with rubber. Contents of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L21/00C08L101/00C08L23/08C08L31/04C08K13/02C08K5/378B29B7/28B29B9/06
Inventor 安鹏飞姚红梅安敬尧张开道张秋印康瑞琴
Owner 河南省汤阴县永新助剂厂
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