Tea Ground Additive for Sustainable Plastic Layer Production
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Solution Overview
Problem
Current methods for producing plastic layers rely on non-sustainable additives, which negatively impact the environmental balance, and existing solutions using renewable biopolymers do not fully address the issue of waste management and resource utilization.
Innovation Solution
Incorporating tea grounds, with or without tea bags, as an additive into thermoplastic materials, adjusting their water content and particle size to function as fillers and colorants, allowing for the production of sustainable plastic layers through upcycling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional additives are used in plastic layer production, then the manufacturing process is simple and well-established, but the environmental sustainability is poor due to non-renewable sources and waste generation
Solution Approach 1:
The invention changes the chemical and physical parameters of the additive by using tea grounds with controlled water content (0-20%) and specific particle size (up to 2000 μm), transforming waste material into a functional additive that maintains processing compatibility while improving environmental sustainability
Solution Approach 2:
The invention recovers and reuses tea grounds that would otherwise be discarded as waste, converting them into valuable additives for plastic layer production, thereby reducing waste generation and improving environmental balance
2Ease of operation
If tea grounds with high water content are used as additives, then the material is more flexible and easier to process, but the manufacturing precision and quality of the plastic layer deteriorates
Solution Approach 1:
The invention optimizes the water content parameter of tea grounds to a specific range (0-20%) before incorporation, ensuring that the additive maintains sufficient flexibility for processing while preventing excessive moisture that would compromise the quality and consistency of the final plastic layer
3Stability of the object's composition
If tea grounds are ground into fine powder, then the mixing homogeneity with plastic raw material is improved, but the particle size control becomes more difficult and processing complexity increases
Solution Approach 1:
The invention specifies a broad particle size range (up to 2000 μm) for ground tea grounds, which balances the need for sufficient fineness to achieve good mixing homogeneity with the practical constraint of avoiding overly complex grinding and particle size control processes
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 approach enhances the environmental sustainability of plastic layer production by utilizing previously discarded tea grounds and bags, improving the material's properties while reducing waste, and enabling the creation of sustainable, colored, and structured plastic products.
Implementation Method 1
the water content of which is adjusted to 0-20% at the time of mixing with the plastic material through a drying process
Implementation Method 2
The mixing and processing of the plastic raw material into the plastic layer can be carried out in a calender, an extruder, or in a stirrer to prepare a spreadable coating composition
Implementation Method 3
extrusion or calendering of polyesters, polyester copolymers, thermoplastic urethanes, or polyamides allows such tea bags to dissolve under the prevailing shear and high temperatures
Data Source
AI summary
Method for producing a plastic layer based on a plastic raw material, in which the plastic raw material is mixed with additives and then formed into the plastic layer, characterized in that tea leaves are used as an additive, the water content of which is 0 to 20%, and a multilayer composite material produced thereafter.