Pectin Stabilized Effervescent Tablets Storage Stability
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Solution Overview
Problem
Effervescent detergent tablets with normal moisture content face stability issues during storage, particularly in humid environments, leading to physical instability and reduced shelf life due to premature effervescent reactions.
Innovation Solution
Incorporating pectin into the detergent or water softener compositions with effervescent agents, which helps stabilize the tablets by scavenging water molecules and preventing the effervescent reaction, allowing the use of ingredients with higher moisture content without compromising storage stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If effervescent agents are incorporated into detergent tablets, then disintegration and dissolution performance is improved, but storage stability deteriorates due to premature effervescent reactions in humid environments
Solution Approach 1:
The patent introduces a coating layer comprising at least one polymer as an intermediary between the effervescent agent and the external environment. This coating layer acts as a barrier that prevents premature contact between moisture and the effervescent agents during storage, while still allowing the effervescent reaction to occur when the tablet is in use. The polymer coating thus mediates between the conflicting requirements of fast disintegration and long-term storage stability.
Solution Approach 2:
The patent applies a thin film coating layer around the detergent tablet core. This flexible shell provides protection against moisture ingress during storage without completely sealing the tablet, allowing controlled release of the effervescent agents when needed. The thin film structure maintains tablet integrity during storage while enabling proper function during use.
2Ease of manufacture
If ingredients with normal moisture content are used in effervescent compositions, then ease of manufacture is improved, but storage stability deteriorates due to water availability triggering effervescent reactions
Solution Approach 1:
The polymer coating serves as a protective intermediary that allows the use of ingredients with normal moisture content by blocking external moisture from reaching the effervescent agents. This mediator enables manufacturers to use more forgiving, easier-to-handle materials without compromising storage stability, as the coating prevents the moisture from triggering premature reactions.
Solution Approach 2:
The coating layer is applied in advance to prevent the harmful effervescent reaction before it can occur during storage. This preliminary protective action creates a barrier that counteracts the potential harm of moisture contact, allowing normal moisture content ingredients to be used safely during manufacturing and storage.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The addition of pectin significantly enhances the storage stability of effervescent tablets, enabling the use of normal moisture content ingredients and preventing premature reactions, thus extending the shelf life and maintaining effective disintegration in washing solutions.
Implementation Method 1
pectin... helps stabilize the tablets by scavenging water molecules and preventing the effervescent reaction
Implementation Method 2
effervescent agents into the tablet, which form gas upon contact with water and thereby contribute to improved disintegration, dissolution and dispersion
Data Source
Figure 1
AI summary
The present invention relates to water softener, detergent compositions and co-granulates comprising an effervescent agent and pectin, unit portions comprising said co-granulates or compositions, use of said compositions or co-granulates in a water-soluble and/or water-dispersible water softening, cleaning or detergent formulations and to the use of pectin to stabilize effervescent tablets.