Heat-Sensitive Recording Material Translucency and Print Quality
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Solution Overview
Problem
Existing heat-sensitive recording materials for thermal direct printing lack improved functionality, sustainability, and economic production methods, requiring advancements in their functional properties and environmental impact.
Innovation Solution
A heat-sensitive recording material with a web-like support material, a colour layer, and a heat-sensitive layer that becomes translucent upon local heat application, featuring specific Bekk smoothness values and compositions of scattering particles, binders, and heat-sensitive materials to enhance dynamic sensitivity and printability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional heat-sensitive recording materials are used, then basic thermal direct printing functionality is achieved, but dynamic sensitivity and print quality are insufficient
Solution Approach 1:
The patent changes the physical and chemical parameters of the heat-sensitive layer by incorporating specific scattering particles with controlled size distributions (D10-D90 ratio of 1.2-2.0) and glass transition temperatures ( -50°C to 80°C), thereby improving dynamic sensitivity and print quality simultaneously
Solution Approach 2:
The patent creates a composite heat-sensitive layer combining polymer particles with specific scattering properties, binders, and heat-sensitive materials, achieving both high dynamic sensitivity and improved print quality through synergistic material interactions
2Object-generated harmful factors
If existing recording materials are produced, then basic functionality is maintained, but environmental properties and recyclability are poor
Solution Approach 1:
The patent modifies material composition parameters by selecting specific polymer types, scattering particle materials, and heat-sensitive compounds that are more environmentally friendly and recyclable, while maintaining functional performance
Solution Approach 2:
The patent enables recyclability by designing the recording material structure to allow separation and recovery of components, particularly the support material and colour layer, reducing environmental harm
3Ease of manufacture
If traditional production methods are used, then manufacturing is simple, but production costs are high and recyclability is limited
Solution Approach 1:
The patent optimizes production parameters including scattering particle size distribution (D10-D90 ratio), binder composition, and layer structure to achieve cost-effective manufacturing while enabling recyclability through simplified production 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
The material achieves high dynamic sensitivity, improved environmental properties, and cost-effective production, with enhanced print quality and recyclability, while maintaining smoothness throughout the coating process.
Implementation Method 1
a heat-sensitive layer (20) on the colour layer (10) so that the colour layer (10) is at least partially covered, the heat-sensitive layer (20) being designed so that it becomes translucent due to local action of heat, so that the underlying colour layer (10) becomes visible
Implementation Method 2
the heat-sensitive layer (20) comprises at least one scattering particle, especially a polymer particle
Data Source
AI summary
The present invention relates to heat-sensitive recording materials comprising a web-like support material, a colour layer on one side of the web-like support material and a heat-sensitive layer on the colour layer so that the colour layer is at least partially covered, the heat-sensitive layer being designed so that it becomes translucent due to local action of heat, so that the underlying colour layer becomes visible.