Shape Memory Polymer Game Kit for Safe Toy Design

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing shape memory polymers (SMPs) used in children's toys are limited in their ability to freely transform between linear and coiled/spiral shapes, posing safety hazards due to potential toxicity and lack of adjustability, which hinders the creation of safe and engaging gaming experiences.

Innovation Solution

A shape memory polymer-based game kit utilizing multi-component elastic copolymer materials that can be manipulated into various three-dimensional structures such as curls, spirals, ringlets, waves, or coils, with a selectively engineered shape recovery temperature between -50°C to 100°C, allowing for dynamic shape changes in response to thermal stimuli, ensuring user safety and creative possibilities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If traditional plastic and rubber materials are used in children's toys, then manufacturing ease and cost-effectiveness are improved, but safety hazards increase due to potential toxicity from plasticizers and other substances

Engineering Contradiction:
Improvemanufacturing easeVSAvoidtoxicity
Core Design Contradiction:
Ease of manufactureVSObject-affected harmful factors

Solution Approach 1:

The patent changes the material composition parameters by using shape memory polymers with specific glass transition temperatures and molecular structures, eliminating toxic plasticizers while maintaining manufacturability through established polymer processing techniques

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent employs composite polymer structures combining shape memory polymers with safe, non-toxic additives and stabilizers, creating materials that are both safe for children and easy to manufacture using standard industrial processes

Inventive Principle:
Principle #40Composite materials

2Object-affected harmful factors

If shape memory polymers are used to provide safe, non-toxic materials, then child safety is improved, but the ability to freely transform between linear and coiled/spiral shapes is limited

Engineering Contradiction:
ImprovetoxicityVSAvoidshape transformability
Core Design Contradiction:
Object-affected harmful factorsVSAdaptability or versatility

Solution Approach 1:

The patent applies local quality by creating multi-component filaments with different glass transition temperatures in specific regions, allowing different segments of the same material to respond at different temperatures and enabling complex shape transformations including linear-to-coiled and coiled-to-spiral configurations

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent uses composite filament structures with multiple polymer components having different thermal properties, where each component contributes specific shape memory characteristics that collectively enable versatile shape transformations while maintaining safety

Inventive Principle:
Principle #40Composite materials

3Device complexity

If existing two-component shape memory filaments are used, then manufacturing simplicity is maintained, but the ability to freely transform between linear and coiled/spiral shapes is restricted

Engineering Contradiction:
Improvefilament structureVSAvoidshape adjustability
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The patent segments the filament into multiple functional components with distinct glass transition temperatures, allowing independent shape memory responses that enable versatile transformations from linear to coiled to spiral configurations while maintaining manageable manufacturing complexity

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces dynamic shape transformation capabilities through multi-component filaments that can transition between different configurations (linear, coiled, spiral) by controlling which components activate at different temperatures, providing adaptability while keeping the base structure simple

Inventive Principle:
Principle #15Dynamics

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 kit provides a safe, non-toxic, and highly customizable material that can withstand over 300% elongation, offering a wide range of shape transformations and creative possibilities, adhering to stringent safety standards while ensuring user-friendly interaction, with the ability to revert to original shapes at a safe temperature, ensuring long-lasting performance and compliance with regulatory requirements.

Implementation Method 1

Shape memory filaments and fibers can be made by melt-spun, wet-spun and dry-spun methods. In such smart fibers, the shape memory function can be preserved, i.e., deformation can be memorized by a reversible phase and the original shape can be recovered when triggered by an external stimulus.

Methodology Applied
Scientific EffectShape memory effect: Shape Memory Polymer

Implementation Method 2

the material returns to its permanent configuration. That is, the material 'remembers' its original shape and returns to that shape after undergoing the external stimulus.

Methodology Applied
Scientific EffectPhase transition: Phase Change

Implementation Method 3

Each of the elastic copolymer materials being mechanically manipulatable from its original shape into one or more three-dimensional structures, and reverse back to its original shape by being subjected to a stimulus.

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentUS20240157226A1Shape memory polymer-based game kit
Publication Date: 2024.05.16 HONG KONG APPLIED SCI & TECH RES INST
  • US20240157226A1 patent drawing
  • US20240157226A1 patent drawing
  • US20240157226A1 patent drawing

AI summary

The invention relates to a shape memory polymer-based game kit. The kit includes a plurality of elastic copolymer materials and an an instruction manual comprising one or more user instructions specifying rules of one or more games. Each of the elastic copolymer materials being mechanically manipulate able from its original shape into one or more three-dimensional structures, and reverse back to its original shape by being subjected to a stimulus having a shape recovery temperature. These materials offer a secure and non-toxic alternative for children's toys and item decoration.