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News Center Location: News Center >What are the properties of ancient Malone resin?

What are the properties of ancient Malone resin?

Author: admin Time: 2016-9-21 17:47:59

What are the characteristics of the ancient Malone resin based composite materials? Anyang Jin Maoxiang resin factory is now the production of ancient Malone resin and liquid ancient Malone resin two kinds of resin. Whether it is the ancient Malone resin, liquid rubber or ancient Malone alone had no adhesion, compound can make the rubber has good adhesion, resin based composite material as a composite material is composed of two or more than two independent physical phase, including matrix material (resin) and a solid product enhancement material composition. Resin matrix composites have the following characteristics:

(1) anisotropy (short cut fiber composite materials, isotropic);

(2) heterogeneous (or structural texture discontinuity);

3. Viscoelastic behavior;

(4) the volume content of fiber (or resin) is different, and the physical properties of the material are different;

5) the impact of quality factors, material performance is more dispersed.

The overall performance of the resin matrix composites is not simply a superposition or average of the properties of the components, which is related to a composite effect problem. Composite effect is the result of the interaction, interdependence and mutual complement between the raw material and the interface formed by the original material. It is shown that the performance of the resin matrix composites is based on the linear and nonlinear synthesis of its component materials. The composite effect has positive and negative, the performance of the increase is always expected, but there are some aspects of the performance of the material in the composite after the composite offset or even reduce the phenomenon is inevitable.

There are two types of composite effects, which can be divided into types: mixing effect and synergistic effect. Mixed effect is also called the average effect, is the performance of component material interaction from the results, it is the overall component material performance is more stable and sensitive to reflect the local disturbance response. Compared to the mixed effects, the synergistic effect is widespread and varied, reflecting the various in situ characteristics of the component materials. The in situ characterization means that the performance of each phase component in the composite is not only the performance of its existence, but the performance of the composite material can not be characterized by the existence of the individual.

2, the types and characteristics of the ancient Malone resin matrix composites

Our study on thermoplastic resin composites began at the end of 1980s, nearly ten years has achieved rapid development in 2000 production reached 120 thousand tons, accounting for the total output of resin based composite material 17%, with matrix materials still by PP and PA, reinforcement of glass, a small amount of carbon fiber, the thermoplastic composites failed to have a major breakthrough, there are still gaps with developed countries. Reinforced materials used in resin matrix composites include glass fiber, carbon fiber, aramid fiber, ultra high molecular weight polyethylene fiber, etc..

1. Glass fiber

Currently used for high performance composite glass fiber mainly has high strength glass fiber, quartz glass fiber and high silica glass fiber, etc.. Because of the high cost of high strength glass fiber, so the growth rate is relatively fast, the annual growth rate of more than 10%. High strength glass fiber composite material is not only used in military, civilian products in recent years also has a wide range of applications, such as bulletproof helmet, bullet proof clothing, helicopter wing, AWACS radar cover, all kinds of pressure vessels, civil aircraft straight, sports goods, all kinds of high performance products and recent reports of excellent tyre cord etc.. High temperature quartz glass fiber and high silica glass fiber belongs to the glass fiber, is an ideal heat resistant fireproof material, the reinforced phenolic resin can be made of high temperature resistance, ablation of composite parts of various structures, widely used in rocket and missile materials. So far, China has the practical high performance composites with carbon fiber, aramid fiber, high strength glass fiber reinforced fiber three, only the high strength glass fiber has reached the international advanced level, and has independent intellectual property rights, the formation of a small scale industry, at this stage, with an annual output of up to 500 tons.

Carbon fiber, 2).

Carbon fiber has high strength, high modulus, high temperature resistance, conductive and a series of performance, first in the aerospace field has been widely used in recent years in sports equipment and sports supplies are also widely used. It is predicted that the civil construction, transportation, automotive, energy and other fields will be large-scale use of industrial grade carbon fiber. In 1997-2000 years, the annual growth rate of the aerospace carbon fiber is estimated to be 31%, and the annual growth rate of industrial carbon fiber is estimated to be 130%. China's overall level of carbon fiber is still relatively low, equivalent to the level of foreign countries in 70s, the end of the gap with foreign countries for 20 years or so. The main problem of domestic carbon fiber is the performance is not very stable and discrete coefficient is big, no high performance carbon fiber, the variety is single, the specification is not complete, the continuous length is not enough, without the surface treatment, the price is too high.

Aramid fiber, 3).

Since 1980s, Holland, Japan, the former Soviet Union has also carried out the development of aramid fiber. Japan and Russia aramid fiber has been put into the market, the annual growth rate has reached about 20%. Aramid fiber strength, high modulus, high performance composite parts so it is widely used in the aerospace field (such as rocket engine shell, aircraft nacelle, fairing, rudder, etc.) ships (such as aircraft carriers, nuclear submarines, yachts, boats, etc.) (such as automobile tyre cord, high-pressure hose, high pressure cylinder friction material, etc.) and heat resistant conveyor belt, sports equipment, etc..

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