Plaster Composition Foaming Agent Stabilizes Slurry Head
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Solution Overview
Problem
The stability and uniformity of the slurry head in plasterboard production are challenging to control, leading to voids, density variations, surface defects, and reduced strength in plasterboards, while existing solutions do not adequately maintain foam stability and compressive strength.
Innovation Solution
A plaster composition comprising a combination of amine oxides and alkyl sulfate as foaming agents, which improves the stability of the slurry head, enhances foam volume and stability, and increases the compressive strength of the resulting plasterboards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If foam is added to reduce plasterboard weight, then weight is reduced, but head stability deteriorates leading to voids and density variations
Solution Approach 1:
The invention changes the chemical composition parameters of the foaming agent by combining alkyl sulfate with amine oxide stabilizer. This parameter change in the foaming agent composition improves foam stability without requiring changes to the process parameters, thereby maintaining head stability while still achieving weight reduction through foam incorporation.
Solution Approach 2:
The invention uses a composite foaming agent system combining alkyl sulfate (for foam generation) and amine oxide (for stabilization). This composite approach allows the foam to provide weight reduction while the synergistic combination maintains head stability, resolving the contradiction between weight reduction and composition stability.
2Manufacturing precision
If foam volume is increased to improve plasterboard quality, then quality is improved, but head stability deteriorates leading to surface defects
Solution Approach 1:
By modifying the foaming agent composition to include amine oxide stabilizer, the invention enables increased foam volume without compromising head stability. The chemical parameter change in the foaming agent allows greater foam incorporation while maintaining stable head conditions, thus improving plasterboard quality without surface defects.
3Stability of the object's composition
If process parameters are continuously adapted to maintain head stability, then head stability is improved, but device complexity increases
Solution Approach 1:
The foaming agent composition itself provides the stabilization function through the amine oxide component. The system is self-regulating at the chemical level, eliminating or reducing the need for complex external process control systems. The composition adapts to maintain stability without requiring continuous parameter adjustments.
4Manufacturing precision
If foam stability is improved to reduce voids, then manufacturing precision is improved, but compressive strength deteriorates
Solution Approach 1:
The invention changes the foaming agent composition to include amine oxide, which stabilizes foam bubbles to prevent void formation. This chemical parameter change allows for controlled foam stability that maintains compressive strength by preventing the formation of harmful voids while preserving the beneficial lightweight structure.
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 use of amine oxides and alkyl sulfate in plaster compositions stabilizes the slurry head, improves foam properties, and enhances the compressive strength of plasterboards, reducing the risk of surface defects and maintaining productivity.
Implementation Method 1
a foaming agent composition comprising one or more amine oxides and one or more alkyl sulfate
Implementation Method 2
improved foam volume (foamability) and foam stability can be obtained
Data Source
Figure 1
AI summary
Provided herein is a plaster composition for the preparation of a plasterboard, comprising plaster, water, and a foaming agent composition. The foaming agent composition comprises 5 one or more foaming agents selected from alkyl sulfate and alkylether sulfate; and one or more amine oxides. Further provided herein are plasterboards made from said plaster composition, and methods for the manufacture of said plasterboards.