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A kind of plant polyene bisphenol friction powder and preparation method thereof

A kind of friction powder and ene bisphenol technology, which is applied in the field of plant polyene bisphenol friction powder and its preparation, and can solve the problems of insufficient heat resistance and the like

Active Publication Date: 2019-06-18
常熟耐素生物材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] One of the technical problems to be solved by the present invention is to provide a plant polyene bisphenol friction powder for the technical problem of insufficient heat resistance of the existing cashew nut shell oil friction powder. Thermal performance is significantly improved

Method used

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  • A kind of plant polyene bisphenol friction powder and preparation method thereof
  • A kind of plant polyene bisphenol friction powder and preparation method thereof
  • A kind of plant polyene bisphenol friction powder and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Add plant polyene bisphenol into the reaction kettle, wait until the temperature is stable at 110 degrees, add 8% urotropine, after 3 minutes, the gel will be stirred continuously and become a coarse powder, continue to heat up to 150 degrees, and keep warm for half an hour, discharge. Finally, crush it with a pulverizer, put it into an oven for curing at 150 degrees for 1 hour, and test the acetone extraction rate and the index of weight loss rate at 370 degrees. The specific results are shown in Table 1.

[0022] Table 1

[0023]

[0024]

Embodiment 2

[0026] Add plant polyene bisphenol into the reaction kettle, wait for the temperature to stabilize at 110 degrees, add 9% urotropine, after 3 minutes, the gel will turn into a coarse powder with continuous stirring, continue to heat up to 150 degrees, and keep it warm for half an hour. discharge. Finally, crush it with a pulverizer, put it into an oven for curing at 150°C for 1 hour, and test the acetone extraction rate and 370°C weight loss rate index. The specific results are shown in Table 2.

[0027] Table 2

[0028]

Embodiment 3

[0030] Add plant polyene bisphenol into the reaction kettle, wait for the temperature to stabilize at 110 degrees, add 10% urotropine, after 3 minutes, the gel will turn into a coarse powder with continuous stirring, continue to heat up to 150 degrees, and keep it warm for half an hour. discharge. Finally, crush it with a pulverizer, put it into an oven for curing at 150 degrees for 1 hour, and test the acetone extraction rate and the index of weight loss rate at 370 degrees. The specific results are shown in Table 3.

[0031] table 3

[0032]

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Abstract

The plant polyene bisphenol friction powder disclosed by the present invention is characterized in that it is prepared by reacting plant polyene bisphenol with the following structural formula with one or any two or more of urotropine, acid and paraformaldehyde. The invention also discloses a preparation method of the plant polyene bisphenol friction powder. The performance of the plant polyene bisphenol friction powder of the invention is obviously better than the thermal performance of the cashew nut shell oil friction powder, and the thermal weight loss rate of the cashew nut shell oil friction powder is obviously higher than that of the plant polyene bisphenol friction powder starting from 200°C.

Description

technical field [0001] The invention relates to the technical field of friction powder and its preparation, in particular to a plant polyene bisphenol friction powder and a preparation method thereof. Background technique [0002] Friction materials are usually made of reinforced fiber asbestos, phenolic resin adhesive, cashew nut shell oil friction powder and inorganic fillers, etc. by mixing and thermoforming. In addition to mechanical strength, the performance required by it must also have the following four characteristics: ①The friction coefficient is stable within a certain range; ②Low wear rate, long service life; ③Do not scratch the counterpart material; ④Low friction noise. An important factor affecting these characteristics is the composition and proportion of the friction material. For example, the friction material produced only with asbestos and phenolic resin is unstable and has no practical value. However, if modifiers such as cashew nut shell oil friction po...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G8/20C09K3/14
CPCC08G8/20C09K3/1454
Inventor 戴志成
Owner 常熟耐素生物材料科技有限公司