Foamed Plastic Plaster Strip for Thermal Insulation
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Solution Overview
Problem
The existing methods for manufacturing plastic plaster strips for building transitions are costly and do not provide adequate heat-insulation, leading to potential moisture penetration and damage at the interface between window/door frames and plaster layers due to thermal fluctuations and material shrinkage.
Innovation Solution
The use of foamed plastic materials or foamed plastic composite materials with air inclusions in the plastic plaster strips reduces material usage and thermal conductivity, enhancing insulation while maintaining structural integrity and stability, allowing for cost-effective production and improved sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional solid plastic materials are used for plaster strips, then structural strength and stability are maintained, but manufacturing costs increase and heat-insulation performance is insufficient
Solution Approach 1:
The patent applies porous foam plastic materials with closed-cell structure to replace conventional solid plastic materials. The porous structure with air inclusions reduces material density and thermal conductivity while maintaining sufficient mechanical strength through the foam matrix architecture, thereby lowering manufacturing costs and improving heat-insulation performance simultaneously.
Solution Approach 2:
The patent uses composite foam plastic materials combining plastic base material with air inclusions in a closed-cell structure. This composite approach integrates the strength-providing plastic matrix with the insulation-providing air pockets, achieving both structural integrity and thermal insulation requirements while reducing material consumption and production costs.
2Strength
If conventional solid plastic materials are used for plaster strips, then structural strength is maintained, but heat-insulation performance is insufficient
Solution Approach 1:
The closed-cell foam structure creates numerous air pockets that act as thermal barriers. The air inclusions within the foam matrix significantly reduce thermal conductivity compared to solid plastic, minimizing heat transfer through the plaster strip while the foam structure itself provides sufficient structural strength for the application.
Solution Approach 2:
The composite foam plastic material combines the strength-contributing plastic phase with the insulation-contributing air phase in a closed-cell architecture. This dual-function composite structure simultaneously satisfies both mechanical strength requirements and thermal insulation requirements, reducing energy loss through the building envelope.
3Quantity of substance
If foamed plastic materials are used, then material savings and heat-insulation are improved, but structural stability may be compromised
Solution Approach 1:
The closed-cell foam structure provides structural stability through its three-dimensional network of cell walls and nodes. The rigid foam matrix maintains dimensional stability and resists deformation under service loads, while the air inclusions provide insulation. The closed-cell architecture prevents moisture ingress that could compromise stability.
Solution Approach 2:
The composite foam plastic material achieves structural stability through the synergistic combination of the plastic matrix (providing strength and rigidity) and the air inclusions (providing insulation and reducing weight). The closed-cell structure ensures dimensional stability and resistance to environmental degradation, maintaining composition stability throughout the service life.
4Loss of energy
If foamed plastic materials are used, then thermal conductivity is reduced, but material density is decreased
Solution Approach 1:
The foam plastic material incorporates air inclusions within a plastic matrix, creating a porous structure where air pockets serve as thermal barriers. This reduces thermal conductivity significantly compared to solid plastic, improving heat-insulation performance. The same porous structure reduces material density, making the plaster strip lighter for easier handling and installation.
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 foamed plastic strips offer significant material savings, reduced thermal conductivity, and improved heat-insulation, effectively preventing moisture penetration and damage at building transitions, while being easier to transport and handle due to lower weight.
Implementation Method 1
at least a portion of the base body has a foamed plastic material or a foamed plastic composite material
Implementation Method 2
foamed plastic materials or foamed plastic composite materials with air inclusions in the plastic plaster strips reduces material usage and thermal conductivity, enhancing insulation
Data Source
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AI summary
A plastic plastering strip (2, 26, 68, 96) according to the invention, in particular a plastic plastering strip (2, 26), a plastic finishing strip (68) or a plastic plastering corner strip (96), has a base body which has at least one plastering area which is intended for plastering into or under a plaster layer, in particular into or under a plaster layer on thermal insulation of a building wall. At least one part of the base body has a foamed plastic material or a foamed plastic composite material.