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Polyphenyl Ethers; OS124; OS138
物品单位
千克
  • 产地:SANTOLUBE
  • 发布日期: 2019-07-23
  • 更新日期: 2020-05-07
产品详请
货号
品牌
EINECS编号
是否危险化学品
型号
CAS编号
别名 OS124; OS138
密度 1.2g/cm3
产地/厂商 SANTOLUBE
产品英文名称 Polyphenyl Ethers
产品等级 优级品
纯度 99%
分子式 OS124; OS138

Polyphenyl Ethers; OS124; OS138

Polyphenyl Ethers were originally developed for military jet engines due to their thermal and oxidative stability and resistance to radiationenvironment. The first commercial application of PPE was in 1964.

Using 1% solution of OS124, the wear failure of gold plated contact ( figure 1)  virtually drop to zero. Since then, connector manufacturers have used them in various plated materials and applications.

Many studies have been conducted, and these are some of the advantages in using PPE lubricants. 
1. Outstanding thermal and oxidation stability    2. Good resistance to chemicals and radiation. 
3. Good lubricity                      4. Corrosion inhibition       
5. Good wear resistance                 6. High surface tension ( does not migrate) 
7. Low vapour pressure                  8. Disperse dust and prevents contact problem 9. Resistance to **fretting corrosion 
10. Reduce gold plating thickness for the same life-span of connectors.              
11. Extend times to failure of a connector by 2~100 times. 
12. Able to restore contact failure due to fretting corrosion. ( figure 2) 

These lubricants (usually diluted) can be applied at the end of plating line, before or after soldering or on the electronic assembly even the breakdown or failure has occurred. This will serve to retard further corrosion and provide increased life for the connector and electronic or electrical component. The application is simply by spray ( normal spray bottle or aerosol can) or dipping.

**Fretting corrosion: This corrosion is the result of a small scale movement ( micromotion) of a few tens to a few hundreds of micron in mated connectors. Its  movement can be due to minute temperature changes, vibrations, assembly, shock impact, transportation etc etc.
This causes the degradation of noble metal like gold, palladium and oxidation in Tin/lead alloy metal, and impede the movement of electrical current which leads to loss of transmission of data, loss of connection, heat build up, higher energy consumption , etc etc, problem prevalent in both new and old mobile phones, computers, electronic devices.

From cell phones to computers to specialized medical equipment, more system failures are caused by electronic connectors than by individual components, even though components are usually thought of as being more fragile.  PPEs give electronic connectors a long-term reliability that will outlast the life of the system.

An experiment using a 50g force was place on a non lubricated pin. After 3,600 cycles it was badly abraded and failed. When identical pins were coated with a PPE layer using the same parameters, no damages were found on either pin after 500,000 cycles ( arbitrarily ended).

Uses: