Recycled PVC Vinyl Siding Coating Transfer System
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Solution Overview
Problem
Existing vinyl siding is not eco-friendly, lacks durability, and has low weatherability, leading to fading and decreased curb appeal, making it less attractive and less suitable for modern building facades, with limited ability to use recycled materials due to the difficulty in recycling PVC-A plastic grades.
Innovation Solution
A manufacturing process that uses a unique transfer system to apply a special coating to recycled PVC substrate, providing high weatherability, durability, and aesthetic appeal, allowing for the production of vinyl siding with 95% recycled materials and the ability to mimic wood, stone, or stucco appearances with high-resolution patterns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If coextrusion is used to manufacture vinyl siding with ASA or PMMA top layer and PVC bottom layer, then weatherability is improved, but manufacturing complexity and cost increase, and recycling capability is reduced
Solution Approach 1:
The patent divides the siding structure into two separate components: a recycled PVC base layer and a separate protective coating layer. This segmentation allows each layer to be manufactured independently using simpler processes, avoiding the complexity of coextrusion while maintaining weatherability through the dedicated protective coating.
Solution Approach 2:
The patent introduces a protective coating as an intermediary layer between the recycled PVC base and the external environment. This coating serves as a mediator that provides UV resistance and weather protection without requiring complex coextrusion processes, thereby simplifying manufacturing while maintaining reliability.
2Reliability
If coextrusion is used to manufacture vinyl siding with ASA or PMMA top layer, then weatherability is improved, but the ability to use recycled materials is reduced
Solution Approach 1:
The patent recovers and utilizes recycled PVC materials as the base layer, giving new life to post-consumer waste. The separate protective coating is applied afterward to provide weather protection, enabling the use of recycled materials without sacrificing durability through complex coextrusion processes.
Solution Approach 2:
The patent creates a composite structure combining recycled PVC with a protective coating layer. This composite approach allows the use of recycled materials while maintaining weatherability through the specialized coating, avoiding the need for expensive and complex coextrusion of multiple polymers.
3Adaptability or versatility
If transfer film with polyester film or silicon sheet is used, then design patterns can be created, but the resulting design lacks required glassiness and precision
Solution Approach 1:
The patent uses a transfer film with a release layer that creates a precise copy of the design pattern onto the siding surface. The release layer enables clear transfer of high-resolution patterns while achieving the desired glassiness and precision that were lacking in previous transfer film methods.
Solution Approach 2:
The patent modifies the parameters of the transfer film by introducing a release layer with specific properties that enable precise pattern transfer. This parameter change in the transfer film composition allows for high-resolution prints with the required glassiness and precision.
4Ease of manufacture
If simple appearance vinyl siding is used, then manufacturing cost is reduced, but curb appeal and attractiveness decrease
Solution Approach 1:
The patent applies design patterns and textures to the protective coating layer before final installation. This preliminary action allows for aesthetically pleasing appearances with wood grain, stone, or stucco effects to be built into the coating during manufacturing, maintaining low costs while enhancing curb appeal.
Solution Approach 2:
The patent incorporates various colors, textures, and patterns into the protective coating layer, enabling the siding to mimic natural materials like wood, stone, or stucco. This color and texture variation maintains manufacturing simplicity while dramatically improving appearance and curb appeal.
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 results in vinyl siding with enhanced durability, increased longevity, and improved curb appeal, using recycled materials, while reducing environmental impact and production costs, offering a more sustainable and attractive alternative to traditional siding options.
Implementation Method 1
the coating, has high weatherability, adding to its durability against sun exposure... the UV light cannot penetrate it to get to the substrate
Implementation Method 2
the manufacturing process uses a transfer system to adhere the coating to the substrate in two stages
Data Source
AI summary
A system for executing manufacturing process or method for producing product is disclosed. The product may be vinyl siding panels. In accordance with the various aspects and embodiments of the invention, the manufacturing process uses a coating (the print) that is very opaque and provides very high weatherability against the UV rays of sunlight. The product has a unique design, which makes it possible to install the product in both horizontal and vertical orientations. The product can be produced in a variety of widths, including wider than normal market sizes. The product includes the features of special design and patterns to replicate the appearance of natural material with the added advantage of permanent and lasting appearance. Further, the product is made using a manufacturing process that includes the ability to use economical recycled materials.