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Plant-fiber modified partially-cured urushiol resin and preparation method and application thereof

A plant fiber and urushiol resin technology, applied in chemical instruments and methods, and other chemical processes, can solve problems affecting the ability of materials to withstand frictional heat, and achieve the effect of reducing energy consumption

Active Publication Date: 2015-07-08
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

However, the general organic content or organic elastomer will affect the ability of the material to withstand frictional heat

Method used

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  • Plant-fiber modified partially-cured urushiol resin and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Add 5 parts of renewable plant fibers to 95 parts of melamine-modified urushiol resin prepolymer, mix well, and cure at 160°C for 1.5 hours to obtain a sample and crush it into solid particles with an average particle diameter of 100 mesh. The main properties of the modified resin are: acetone extraction rate 20%, ash content 3%, 175 ℃ volatile content 3%.

Embodiment 2

[0021] Add 90 parts of melamine-modified urushiol resin prepolymer to 10 parts of renewable plant fiber, mix well, and cure at 160°C for 1.5 hours to obtain a sample and crush it into solid particles with an average particle diameter of 100 mesh. The main properties of the modified resin are: acetone extraction rate of 15%, ash content of 3%, volatile content of 2% at 175°C.

Embodiment 3

[0023] Add 80 parts of melamine-modified urushiol resin prepolymer to 20 parts of renewable plant fibers, mix well, and cure at 160°C for 1.5 hours to obtain a sample and crush it into solid particles with an average particle size of 100 mesh. The main properties of the modified resin are: acetone extraction rate of 10%, ash content of 3%, volatile content of 175 degrees 1.5%.

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Abstract

The invention discloses plant-fiber modified partially-cured urushiol resin. The plant-fiber modified partially-cured urushiol resin is prepared by using urushiol resin as a main body, and adding renewable plant fiber into modified resin partially cured by tripolycyanamide, wherein the mass percentage of the modified resin is 80-98% and the mass percentage of the renewable plant fiber is 2-20%. The invention further discloses a preparation method of the plant-fiber modified partially-cured urushiol resin. The plant-fiber modified partially-cured urushiol resin can be used as an additional adhesive or composite organic fiber enhancer to enhance the temperature resistance of a friction material and improve the inner damping, so as to reduce vibration and noises generated by friction. Compared with other similar organic enhanced filling materials and modifiers, the novel plant-fiber modified partially-cured urushiol resin further has the advantages of energy consumption reduction and environment friendliness in the mixing, hot press moulding and curing processes; and in view of the functions, the plant-fiber modified partially-cured urushiol resin can be used for preparing various friction-resistant and antifriction organic materials applicable to high temperature and high load.

Description

technical field [0001] The invention relates to a plant fiber modified partially cured urushiol resin and its preparation method and application, which is obtained by adding green renewable plant fibers to a modified resin which is mainly cured with urushiol resin and partially cured with melamine. Partially cured urushiol resin modified by plant fibers can be added to friction materials as an additional binder or composite organic fiber reinforcement to enhance the temperature resistance of friction materials and improve internal damping to reduce vibration and noise due to friction. At the same time, it is compared with other similar organic reinforcing fillers and modifiers. The novel plant fiber modified partially cured urushiol resin also has the advantages of reducing energy consumption and being green and environmentally friendly during the process of mixing, thermoforming and curing. Background technique [0002] All kinds of friction and anti-friction materials gen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L61/14C08L97/02C08G8/28C09K3/14
Inventor 戴志成
Owner 常熟耐素生物材料科技有限公司
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