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Sunday, 07 June 2020

How can we go into masking???

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Tuesday 17 November 1998 1:00:00 am

We want to convert a few mixed solvents to a acceptable pleasant smell.
Further we want to mix cyclohexanone, butyl acetate and MEK together.

Kindly advise. Thanks.

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Wednesday 30 December 1998 1:00:00 am

The three substances mentioned are components of a "classic" solvent mixture comprising high-, medium- and low-boiling solvents. Such mixtures must be very carefully tailored with regard to solubility and evaporation characteristics.
Cyclohexanone: this high-boiling solvent has a penetrating odour of peppermint and acetone. It is difficult to replace and such replacement is dependent upon the particular application, i.e. upon the binder used. Depending upon the type of binder and polarity, ethylene glycol monobutyl ether could be an alternative.
Butyl acetate: acetic acid butyl ester (the more chemically correct name) is the most important highly volatile solvent and has a characteristic odour. Many grades of the n-butyl ester are blended with 15% butanol, which also smells unpleasant. Pure n-butyl acetate has a pleasant odour. More rarely used is the sec.-butyl ester which smells of fruit, has similar dissolving power, but evaporates somewhat more rapidly.
MEK: methyl ethyl ketone (butanone) has a more intense odour than the related compound acetone. It may be replaced by acetic acid ethyl ester (ethyl acetate), which is likewise low-boiling and has a less intense odour.

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