Smectite-Stabilized Alginate Curing Paste for Storage Stability
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Solution Overview
Problem
The paste curing material for dental alginate impression materials tends to separate into solid and liquid phases, leading to low storage stability.
Innovation Solution
A paste curing material comprising a gelatinizing reactant, a poorly water-soluble liquid compound, and smectite, along with optional components like polybutene and retarders, is used to enhance storage stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a paste curing material containing a gelatinizing reactant and a poorly water-soluble liquid compound is used, then the dental alginate impression material can be cured effectively, but the paste curing material separates into solid and liquid phases, resulting in low storage stability
Solution Approach 1:
A smectite is introduced as an intermediary substance to mediate between the gelatinizing reactant and the poorly water-soluble liquid compound. The smectite forms a stable dispersion system that prevents phase separation while maintaining the reactivity needed for effective curing of the dental alginate impression material
Solution Approach 2:
The paste curing material is formulated as a composite system containing the gelatinizing reactant, poorly water-soluble liquid compound, and smectite. This composite structure allows the different components to remain stably dispersed without phase separation, while still achieving effective curing when mixed with the alginate base material
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 solution provides a paste curing material with improved storage stability, increased handleability, and appropriate working time, resulting in enhanced performance of dental alginate impression materials.
Implementation Method 1
a paste curing material containing a gelatinizing reactant and a poorly water-soluble liquid compound... the paste curing material tends to be separated into solid and liquid, and has low storage stability... a paste curing material including a gelatinizing reactant; a poorly water-soluble liquid compound; and a smectite
Data Source
AI summary
One aspect of the present invention includes: a paste curing material used for dental alginate impression. The paste curing material includes a gelatinizing reactant; a poorly water-soluble liquid compound; and a smectite.