Good water-soluble film is conducive to the volatilization of the fragrance of laundry detergent pods.
1. Good breathability
High-quality water-soluble film has appropriate breathability. It does not completely seal the fragrance components inside the laundry detergent pod but allows the fragrance molecules to diffuse outward through certain channels. This is like a container with small holes through which fragrance molecules can gradually emit during storage and use. For example, some water-soluble films made of advanced materials have a microporous structure inside, and this structure can make the fragrance emit continuously and stably.
2. Timely solubility
A suitable water-soluble film can dissolve quickly when encountering water, which is crucial for the release of fragrance. When the laundry detergent pod comes into contact with water, the water-soluble film dissolves rapidly, and the internal detergent, softener, and fragrance components can be fully released into the water in a short time. In this process, the fragrance components can be evenly distributed throughout the washing environment along with the water flow and detergent diffusion, thus better adhering to the clothes. If the water-soluble film dissolves too slowly, the fragrance components may not be released in time, affecting the fragrance retention effect after washing.
3. Protective effect on fragrance components
Good water-soluble film can protect the fragrance components inside the laundry detergent pod from being oxidized or volatilized during storage. It acts like a barrier to prevent external factors such as air and light from destroying the fragrance components. For example, some water-soluble film materials have good barrier properties that can block the entry of oxygen and reduce the oxidation reaction of fragrance components, thus ensuring that when in use, the fragrance components can still effectively volatilize.
4. Flexibility and elasticity of the film
Water-soluble film with good flexibility and elasticity can adapt to various pressures and deformations of laundry detergent pods during storage and transportation. When the laundry detergent pod is squeezed or collided, the film will not break, and at the same time, it will not affect the structure of the internal fragrance components. This can ensure that the fragrance components can volatilize normally under suitable conditions (such as during washing) instead of leaking or deteriorating in advance due to film damage.
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