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Preparation method for modified alkyl phenolic resin and application thereof

An alkyl phenolic resin and modification technology, applied in the field of phenolic resin, can solve the problems of increased fuel consumption, energy loss, accelerated aging speed of rubber materials, etc.

Active Publication Date: 2014-03-26
BEIJING RED AVENUE INNOVA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, heat generation causes energy loss, and on the other hand, it causes the rubber material to age faster
Since this energy consumption is not converted into kinetic energy, it is unnecessary consumption, so the heat generation is related to the rolling resistance of the tire, which increases fuel consumption

Method used

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  • Preparation method for modified alkyl phenolic resin and application thereof
  • Preparation method for modified alkyl phenolic resin and application thereof
  • Preparation method for modified alkyl phenolic resin and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Into a 500ml four-necked round-bottomed reaction flask equipped with a mechanical stirrer, thermometer, reflux condenser and dropping funnel, add 150g (1.0mol) p-tert-butylphenol (PTBP) and 0.75g p-toluenesulfonic acid (catalyst) , and heat the mixture to 150 °C. When the temperature was 150°C, 132g (1.0 mole) of paraldehyde was slowly added dropwise, the condenser changed from the reflux state to the distillation state, and the reaction temperature gradually rose to 180°C. After the dropwise addition of paraldehyde was completed, keep it for 10 minutes , then add 0.6g of 1,8-diazabicyclo (5,4,0)-7-undecene (DBU) to neutralize the catalyst, stir and react for 15 minutes, slowly open the vacuum to the maximum vacuum degree (2.5 K Pa) and keep for 30 minutes. The resin obtained by the reaction was poured out and cooled to obtain resin A. The softening point of this resin measured by ASTM D3461-97 (2007) was 145 degreeC.

Embodiment 2

[0037]Into a 500ml four-necked round-bottomed reaction flask equipped with a mechanical stirrer, thermometer, reflux condenser and dropping funnel, add 150g (1.0mol) p-tert-butylphenol (PTBP) and 0.75g p-toluenesulfonic acid (catalyst) , and heat the mixture to 150 °C. When the temperature is 150°C, 50g (0.379 moles) of paraldehyde is slowly added dropwise, the condenser changes from reflux state to distillation state, and the reaction temperature gradually rises to 180°C. After the dropwise addition of paraldehyde is completed, keep it for 10 minutes Then add 10g92% paraformaldehyde (0.307 moles), continue to react for 30 minutes and heat up to 210°C, add 0.6g of 1,8-diazabicyclo(5,4,0)-7-undecene (DBU) to neutralize the catalyst, after stirring the reaction for 15 minutes, slowly turn on the vacuum to the maximum vacuum degree (2.5 kPa) and keep it for 30 minutes. The resin obtained by the reaction was poured out and cooled to obtain resin B. The softening point of this re...

Embodiment 3

[0039] Add 100 g of the resin A prepared according to Example 1 to a 250 mL three-neck flask equipped with a mechanical stirrer and a thermometer, heat up to 180 ° C and melt, add 1 g of zinc isooctanoate, stir for 10 minutes, pour out the resin, and cool to obtain a modified alkyl Phenolic Resin. The softening point of this resin measured by ASTM D3461-97 (2007) was 142 degreeC.

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Abstract

The invention relates to a modified alkyl phenolic resin, which is prepared by compounding alkyl phenolic resin and an organic zinc salt modifying agent. The preparation method for the modified alkyl phenolic resin is simple and the dynamic performance of a rubber composition adopting the alkyl phenolic resin can be improved effectively.

Description

technical field [0001] The invention relates to the field of phenolic resins, in particular to a preparation method of a modified alkylphenolic tackifying resin for improving the dynamic performance of rubber materials. Background technique [0002] Alkyl phenolic resin is one of the tackifiers commonly used in the processing of rubber materials, which can effectively improve the self-adhesiveness of synthetic rubber and solve the problem of adhesion between rubber parts. In patents such as CN200880130918.0 and CN101511893A, the functions of alkylphenolic resins have been described in detail. Alkylphenolic resins, especially phenolic resins prepared from tert-butylphenol and tert-octylphenol, have been widely used in rubber materials. [0003] With the process of industrialization, especially the vigorous development of the automobile industry, people pay more and more attention to the impact of various waste gases on the environment due to fuel combustion. Therefore, fuel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G8/32C08L9/00C08L7/00C08L61/14
Inventor 张成张洁蒋小强董栋
Owner BEIJING RED AVENUE INNOVA
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