The role of polyethylene glycol PEG4000 in rubber

2023-07-14

Polyethylene glycol (PEG) has good water solubility, and has good compatibility with many organic components. It has excellent lubricity, moisturization, dispersibility, and can also be used as an antistatic agent and softener.

The relationship between polyethylene glycol PEG4000 and rubber

The molecular weight of polyethylene glycol PEG-4000 is a solid sheet, which is easy to process, easy to add, and not easy to precipitate. The medium molecular weight polymer mainly neutralizes the acidity of the filler in the rubber, accelerates the vulcanization speed and cross-linking density, and has a strong bond with the rubber. Without degrading the rubber, coupled with the low volatility and high flash point properties of PEG, PEG-4000 is generally selected in rubber processing.

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