Pre-engineered recyclable products
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Solution Overview
Problem
Current recycling methods for waste plastic and paper materials, particularly release coated sheet materials, face challenges in efficiently separating and reusing the release agents, leading to difficulties in recycling and the generation of significant waste, which is environmentally and economically unsustainable.
Innovation Solution
A method involving the collection and processing of release coated cellulose or polymeric sheet materials with pre-engineered additives, such as flame retardants, to facilitate mechanical separation of the release agent from the carrier, allowing for the production of recyclable materials suitable for insulation, paper production, and other applications without the need for additional additives during the recycling process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional recycling methods are used for release coated sheet materials, then the release agents can be separated and reused, but the process is inefficient and generates significant waste
Solution Approach 1:
The patent applies preliminary action by incorporating flame retardant additives into the release coated sheet materials during the original manufacturing process. This pre-engineering of the waste material ensures that when the material is recycled, the necessary additives are already present, eliminating the need for additional processing steps and reducing waste generation during recycling operations.
Solution Approach 2:
The patent changes the chemical composition parameter of the waste material by incorporating specific additives (flame retardants) into the release coated sheet materials. This parameter change transforms the waste material into a pre-treated form that is more suitable for recycling, improving recycling efficiency and reducing the need for extensive post-recycling treatment.
2Ease of manufacture
If release agents are separated from carriers during recycling, then recyclable materials can be produced, but additional processing steps are required
Solution Approach 1:
The patent simplifies the recycling process by performing preliminary actions during the original manufacturing stage. Flame retardant additives are incorporated into the release coated sheet materials before they become waste, which means that during recycling, the material is already prepared for its new application, reducing the number of processing steps required.
Solution Approach 2:
The waste material serves itself by having the necessary additives (flame retardants) already incorporated during its original manufacturing. This self-service approach means the material comes to the recycling process already prepared, eliminating the need for complex additional processing steps to add necessary additives during recycling.
3Adaptability or versatility
If pre-engineered additives are incorporated into waste material formulations, then the treated waste material can be transformed into new applications, but the initial product formulation becomes more complex
Solution Approach 1:
The patent applies universality by incorporating flame retardant additives that serve multiple functions: they provide fire safety for the original product and simultaneously prepare the material for recycling applications. This multi-functionality increases the adaptability of the waste material for new applications without proportionally increasing formulation complexity.
Solution Approach 2:
The patent changes the compositional parameters of the waste material by adding specific additives during original manufacturing. This parameter change enables the material to be adapted for new applications (such as insulation materials) while the complexity increase is managed by incorporating these additives during the original production process rather than during recycling.
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
This method enhances the recycling efficiency of waste materials by allowing for the separation of release agents from carriers, enabling the creation of high-quality insulation materials and other products with improved thermal and acoustic properties, while reducing waste and environmental impact.
Implementation Method 1
facilitate mechanical separation of the release agent from the carrier
Implementation Method 2
said material already comprising selected new-use additive preferably selected from flame retardant
Data Source
AI summary
The present invention relates to a method for treating a plastic and/or paper waste material having steps including collecting a plastic and/or paper waste material, preferably paper, and highly preferably a release coated cellulose or polymeric sheet material. The material already includes a selected new-use additive preferably selected from flame retardant, hydrophobic material, pesticide, herbicides, minerals, nutrients, and/or mixtures thereof. The method includes the step of preparing the collected material by mixing, separating foreign bodies like metals, etc., and feeding it to a grinding station. The method also includes the step of, in one or several grinding stations, shredding and grinding the materials into small pieces.