Ring-Host Polymer Composites to Reduce Phase Separation
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Solution Overview
Problem
Different types of polymers are often less compatible with each other, leading to separation and reduced performance in macromolecular materials, making it difficult to achieve the desired functionality and mechanical properties.
Innovation Solution
A macromolecular material comprising a first macromolecular compound with a ring host group and a second macromolecular compound that penetrates through the ring in a skewering manner, utilizing a host group formed by removing a hydrogen atom or hydroxy group from a cyclodextrin derivative, allowing for improved compatibility and mechanical properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If two different types of macromolecular compounds are combined to improve functionality, then the functionality and performance of the macromolecular material are enhanced, but the compatibility between different polymers deteriorates, leading to separation and reduced mechanical properties
Solution Approach 1:
The host group-containing macromolecular compound acts as an intermediary between different polymer types. The host groups form inclusion complexes with guest groups on the second macromolecular compound, creating a bridging interaction that ensures compatibility while allowing the combination of different polymer functionalities.
Solution Approach 2:
The invention creates a composite macromolecular material where a first macromolecular compound (with host groups) and a second macromolecular compound (with guest groups) are combined at the molecular level. This composite structure ensures compatibility through host-guest interactions while maintaining the functional advantages of different polymer types.
2Adaptability or versatility
If different types of polymers are mixed to achieve added functionality, then the functional versatility is improved, but the mixing compatibility deteriorates, resulting in phase separation and lower mechanical performance
Solution Approach 1:
The host groups on the first macromolecular compound serve as intermediaries that facilitate mixing with the second macromolecular compound. The host-guest inclusion complexes act as molecular bridges that ensure uniform distribution and compatibility during mixing, preventing phase separation while enabling functional versatility.
3Ease of operation
If highly compatible macromolecular compounds are combined to improve mixing, then the mixing compatibility is enhanced, but the mechanical strength and dynamic properties deteriorate compared to individually optimized polymers
Solution Approach 1:
The invention creates a composite system where the first and second macromolecular compounds maintain their individual structural integrity while forming host-guest interactions. This composite approach ensures both mixing compatibility through molecular-level interactions and mechanical strength by preserving the characteristic properties of each polymer type.
Solution Approach 2:
The host-guest interactions occur at specific local sites (host groups and guest groups) rather than requiring uniform chemical compatibility throughout the entire polymer chains. This localized interaction approach allows the polymers to maintain their individual high-strength characteristics while achieving compatibility at the interaction sites.
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 macromolecular material exhibits excellent mechanical properties and reduced separation of polymers, enhancing flexibility, toughness, and processability, with the second macromolecular compound sliding through the host group's ring to form a movable crosslinked structure.
Implementation Method 1
a first macromolecular compound having a ring host group, and a second macromolecular compound free of the host group, the second macromolecular compound penetrating through the ring of the host group in a skewering manner
Implementation Method 2
PTL 1 or PTL 2 has proposed a technique related to the precise control of macromolecular structures using host-guest interactions with clathrate complexes
Data Source
AI summary
Provided are a macromolecular material comprising two or more types of polymers, which are less likely to be separated, and having excellent mechanical properties, a method for producing the same, and a macromolecular compatibilizing agent. The macromolecular material according to the present invention comprises a first macromolecular compound having a ring host group, and a second macromolecular compound free of the host group, and the second macromolecular compound penetrates through the ring of the host group in a skewering manner. The method for producing the macromolecular material according to the present invention comprises polymerizing a polymerizable monomer in the presence of the first macromolecular compound. The macromolecular compatibilizing agent according to the present invention comprises a macromolecular compound having a ring host group.