Pearlescent Composition for Plastic Containers
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Solution Overview
Problem
Conventional pearlescent compositions for plastic containers face limitations in achieving a better pearlescent effect due to phase separation at higher concentrations of the pearlescent component and require high-energy, time-consuming heating processes.
Innovation Solution
A pearlescent composition comprising a polyester component and a pearlescent component with at least two materials, such as polymethylpentene, polyolefin-based materials, silicone rubber, and polymethylmethacrylate, within a specific weight range, which can be heated at lower temperatures to produce containers with enhanced color saturation and glossiness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the amount of pearlescent component is increased to improve pearlescent effect, then the pearlescent effect is enhanced, but phase separation occurs causing defects in the plastic container
Solution Approach 1:
The invention uses a composite pearlescent component comprising multiple materials (at least two selected from polymethylpentene, polyolefin-based material, silicone rubber, and polymethylmethacrylate) instead of a single material. This composite structure allows the pearlescent component to maintain stability and prevent phase separation even at higher concentrations (1-10 wt%), thereby achieving enhanced pearlescent effect without causing defects.
2Ease of manufacture
If conventional high-temperature heating process is used to process the pearlescent composition, then the processing is completed, but energy consumption and production time are high
Solution Approach 1:
The invention changes the processing parameters by using lower heating temperatures compared to conventional processes. The composite pearlescent component formulation enables the composition to be processed at reduced temperatures while still achieving complete processing and desired pearlescent effect, thereby significantly reducing energy consumption and production time.
3Ease of manufacture
If conventional high-temperature heating process is used, then the processing is completed, but production time is extended
Solution Approach 1:
The invention modifies the processing parameters by implementing lower heating temperatures that enable faster processing. The composite pearlescent component is designed to process efficiently at these lower temperatures, reducing the overall production time while ensuring complete processing and maintaining product quality.
Data Source
AI summary
A pearlescent composition for making plastic containers includes a polyester component and a pearlescent component. The pearlescent component is in an amount ranging from 1 wt % to 10 wt % based on the total weight of the pearlescent composition. The pearlescent component includes at least two materials selected from polymethylpentene, a polyolefin-based material different from polymethylpentene, a silicone rubber, and polymethylmethacrylate.