Inkjet Recording Material Using Modified Polyolefin
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Solution Overview
Problem
Inkjet printing technologies face challenges with ink adhesion and durability on substrates, particularly with latex-based inks, resulting in issues like abrasion resistance, light-fastness, solvent-fastness, and water-fastness, and the search for suitable media with good image quality and adhesion capabilities remains a challenge.
Innovation Solution
An inkjet recording material comprising an extruded mixture of thermoplastic polymers and non-chlorinated polyolefin materials, where the non-chlorinated polyolefin is maleic anhydride and acrylate modified, is used, providing excellent adhesion and image permanence without the need for additional coatings or microstructures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional substrates are used with latex-based inks, then printing cost is reduced, but adhesion and durability of printed images deteriorate
Solution Approach 1:
The patent modifies the chemical composition parameters of the polyolefin by introducing specific modifications (maleic anhydride grafting, acrylate blending) to enhance adhesion properties. This changes the material parameters from conventional polyolefin to modified polyolefin composition, achieving better ink adhesion while maintaining substrate simplicity.
Solution Approach 2:
The patent creates a composite material system by combining modified polyolefin with specific additives and coatings that enhance adhesion. This composite approach integrates multiple functional components into a unified substrate structure that provides both durability and ease of manufacture.
2Reliability
If additional coatings or microstructures are added to improve adhesion, then image permanence is improved, but device complexity and processing steps increase
Solution Approach 1:
The patent extracts the adhesion-enhancing functionality from separate coatings and integrates it directly into the polyolefin substrate material itself through chemical modification. This eliminates the need for additional coating layers while maintaining image permanence.
Solution Approach 2:
The patent merges the adhesion promoter functionality with the base polyolefin material by incorporating maleic anhydride grafting and acrylate components directly into the substrate composition. This consolidation combines multiple functions into a single integrated material system.
3Strength
If conventional polyolefin is used, then manufacturing simplicity is maintained, but ink adhesion deteriorates
Solution Approach 1:
The patent changes the chemical parameters of polyolefin by introducing maleic anhydride grafting degree and acrylate content as controlled variables. These parameter modifications enhance ink adhesion strength while maintaining compatibility with existing manufacturing processes.
Data Source
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AI summary
An inkjet recording material which comprises an extruded mixture of thermoplastic polymers and non-chlorinated polyolefin materials. The mixture contains from 0.5 wt% to 30 wt% of non-chlorinated polyolefin materials based on the total weight of the polymers constituting the material.