Improving the effectiveness of air fresheners and insect repellents Development Department of Company W, a Pharmaceutical and Daily Necessities Manufacturer
Increase effectiveness and compact size
High-surface resin boosts slow-release and compaction
Company W decided to develop a new product with improved sustained release of water-soluble active ingredients. They needed to find a base material that could sustain the release of active ingredients such as air fresheners and insect repellents for a certain period of time.
* This is a hypothetical example posted as a reference for those with similar challenges
Challenges
We want to improve the release efficiency of active ingredients and make them compact! There are many challenges in developing the product we are aiming for...
Regarding the improvements made this time, Mr. S, the developer, had the following in mind:
"Our biggest challenge was to ensure that the active ingredients were released in a sustained manner and that their effectiveness was improved. If we could develop a new product with improved effectiveness compared to our current product, we would be able to differentiate it from competing products. We also wanted to make the product more compact, which is an issue for products that are used for long periods of time or that can be carried around with you. To achieve this, we absolutely needed a base material that was small in volume and could adequately absorb and sustainably release the aqueous solution containing the necessary active ingredients." (Mr. S)
Mr. S immediately began making prototypes using various base materials, such as porous materials with which he had experience and polymer gels with medium to large particle sizes (several centimeters in diameter), and began improving and verifying the sustained release properties. However, he was unable to find anything that would release the active ingredient sufficiently. In addition, the absorption of aqueous solutions containing the active ingredients was poor and they were bulky, making it difficult to achieve the goal of compactness.
The deadline for developing an improved product was approaching, and Mr. S became increasingly anxious as no direction was apparent.
Key Challenges
In developing a new product, it was necessary to improve the sustained release of the active ingredient, thereby improving efficacy and realizing a compact size.
It was difficult to achieve the goal with the porous materials and polymer gels with medium to large particle sizes (several centimeters in diameter) that were evaluated.