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怎么避免雙液點(diǎn)膠機(jī)硅膠中毒現(xiàn)象!

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  上膠機(jī)在電子通信行業(yè)的生產(chǎn)中占有重要的地位。而在雙液點(diǎn)膠機(jī)中,一旦與N、P、S等有機(jī)元素發(fā)生化學(xué)反應(yīng),反應(yīng)就會(huì)迅速發(fā)生,這就是常說的雙液點(diǎn)膠機(jī)硅膠中毒現(xiàn)象。
  Gluer plays an important role in the production of electronic communication industry. In the double liquid dispensing machine, once there is a chemical reaction with N, P, s and other organic elements, the reaction will occur rapidly, which is often called the phenomenon of silica gel poisoning in the double liquid dispensing machine.
  雙液膠填料中毒原因分析:
  Cause analysis of double liquid rubber packing poisoning:
  雙液點(diǎn)膠機(jī)使用硅膠時(shí),需要硅膠進(jìn)行加成反應(yīng),即硅膠中的硅氫鍵與硅酮鍵加成反應(yīng)。由于加成反應(yīng)以鉑為原料,兩者的混合物產(chǎn)生一種不穩(wěn)定的化合物。
  When silica gel is used in double liquid dispenser, addition reaction of silica gel is needed, that is, addition reaction of silicon hydrogen bond and silicone bond in silica gel. Because the addition reaction is based on platinum, the mixture of the two produces an unstable compound.
  這種混合材料,容易受到一些物理和化學(xué)結(jié)構(gòu)或復(fù)合結(jié)構(gòu)的變化,然后用氫容易失去催化活性和乙烯基硅債券,如果添加到硅膠硫化或養(yǎng)護(hù)期間,包含一個(gè)催化劑,它可以添加到任何材料的成型(“Pt”反應(yīng)(兩表面接觸,等等)在正常養(yǎng)護(hù)條件。
  This hybrid material is susceptible to changes in some physical and chemical structures or composite structures, and then easy to lose catalytic activity with hydrogen and vinyl silicon bonds, if added to silica gel during vulcanization or curing, including a catalyst, it can be added to any material forming ("PT" reaction (two surface contact, etc.) under normal curing conditions.
濟(jì)南雙組份打膠機(jī)
  如果硅橡膠未固化(前后反應(yīng)仍為液體),或處理不徹底(硅橡膠固化后無法達(dá)到要求的彈性體或硬度,或固化后表面變得粘稠),這種現(xiàn)象就是催化劑“中毒”的發(fā)生。
  If the silicone rubber is not cured (the reaction before and after the country is still liquid), or the treatment is not complete (the silicone rubber cannot reach the required elastomer or hardness after curing, or the surface becomes sticky after curing), this phenomenon is the occurrence of catalyst "poisoning".
  介紹了一種避免雙點(diǎn)膠機(jī)硅膠中毒的方法
  This paper introduces a method to avoid silica gel poisoning of double dispenser
  ,為了避免硅膠中毒的發(fā)生,避免接觸有機(jī)化合物含有磷、硫和氮的使用double-liquid澆注機(jī),或避免使用聚氨酯、環(huán)氧樹脂、不飽和聚酯、濃縮RTP硅橡膠和其他產(chǎn)品的使用double-liquid澆注機(jī)。
  First of all, in order to avoid the occurrence of silica gel poisoning, avoid the use of double liquid pouring machine for contacting organic compounds containing phosphorus, sulfur and nitrogen, or avoid the use of double liquid pouring machine for polyurethane, epoxy resin, unsaturated polyester, concentrated RTP silicone rubber and other products.
  有一種雙液點(diǎn)膠機(jī)在使用不同廠家生產(chǎn)的硅膠時(shí),必須將原雙液點(diǎn)膠機(jī)的硅膠從桶中逐步清洗到膠泵中,以免發(fā)生膠源密封中毒現(xiàn)象。
  When using silica gel produced by different manufacturers, the silica gel of the original double liquid dispenser must be gradually cleaned from the barrel to the rubber pump to avoid the sealing poisoning of the rubber source.

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