'imperative to maintaining' is a correct and usable phrase in written English.
You can use it to indicate that something is essential or necessary for the preservation of something. For example, "It is imperative to maintaining a healthy lifestyle that we exercise regularly."
The House I Live In contends that, in towns such as Otisville, prisons have become a critical part of the local economy, which means there is an economic imperative to maintaining a high prison population.
Reintroducing heterogeneity, defined here as the variation in vegetation structure and composition, to native North American rangelands is imperative to maintaining grassland biodiversity, and using a variety of cattle stocking rates on the landscape could accomplish this.
Both studies, by the Archives of Internal Medicine and the Annals of Internal Medicine, respectively, are an important reminder to patients that cultivating a strong relationship with a physician is imperative to maintaining good health.
If studies of Pb levels that polluted the water of the past can tell us anything about policy today, it is that a clean water supply is imperative to maintaining the health and wellbeing of any population either ancient or modern.
Exercise is imperative to maintaining joint health.
"The increases come at a time of highly stressed operations, when Fitch believes spending reductions are imperative to maintaining fiscal stability".
In some ways, the new Financial Fair Play era makes it even more imperative to maintain their place among the elite.
Worsley, knowing that it was imperative to maintain positive thoughts, recalled family holidays and planting vegetables in the garden.
In larger mammalian species, maintenance of follicular morphology is imperative to maintain communication between the cumulus oocyte complexes.
There are two bond planes for precast repair specimens, and it is imperative to maintain a good quality and consistent speed failure for both.
