What is the development of liquid silicone?
Adding formed liquid silicone glue (LSR) is a new type of silicone which USES the complex of excessive metal (platinum, nickel, rhodium, etc.) as catalyst to form a bridge between si-h and si-ch =CH2 to obtain silicone rubber elastomers.
What is the silicone product?
In the early 1970s, foreign countries began to study the injection molding process of liquid silicone rubber.
However, due to the immature technology, can only be suitable for extrusion molding process.
The 1980s was a period of slow development of liquid silicone. There were several technical problems that were difficult to solve.
Second, how to ensure that there is enough operation time after mixing without materials without crosslinking;
Third, the limit of mold design level.
The 1990s witnessed the great development of liquid silicone. Firstly, a large number of mq-type silicone was used to solve the contradiction between the fluidity and strength of silicone rubber.
Secondly, the technology of cross-linking inhibitors has been constantly improved, from the simple use of alkylenol compounds to the use of alkylenol and sih-containing polysiloxane addition products, platinum microcapsule technology has also made great progress.
Third, the mold design of the cold flow module technology for liquid silicone in the process of the road.
After 90's, the variety of silicone began to diversify, at present almost all high temperature silicone varieties, liquid silicone rubber have, and its performance is better than room temperature vulcanized silicone.
This opens up space for the use of liquid silicone.
Liquid silicone most need to be combined with other materials to play the performance to the extreme!
More widely used, such as glass, nylon, metal, PET, PC, PPSU and so on.
After the material surface is treated by flame or corona (some materials need to be treated), it is sprayed with Primer, and then injected liquid silicone and the materials to be bonded are combined with vulcanization molding.
This was followed by an increase in the demand for liquid silicone rubber glue, which was developed and produced by conlibon and has been used in medical materials for a long time.
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