Triazine Nucleating Agent for Transparent Crystalline Polyolefins
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Solution Overview
Problem
Existing nucleating agents for synthetic resins, such as trisaryloxytriazine compounds, do not adequately improve transparency and crystallinity, limiting their application in certain types of molded objects.
Innovation Solution
A triazine compound with a specific structure, represented by Formula (1), is used as a nucleating agent to enhance transparency in synthetic resins, particularly polyolefin-based resins.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If conventional nucleating agents (metal carboxylates, metal phosphates, polyhydric alcohol derivatives) are used to improve crystallinity, then crystallinity is improved, but transparency is not sufficiently enhanced
Solution Approach 1:
The patent changes the chemical structure parameters of the nucleating agent by introducing a specific triazine compound with aryl groups (Formula 1). This structural modification enables the nucleating agent to simultaneously promote crystallinity and enhance transparency, resolving the contradiction between these two properties that plagues conventional nucleating agents.
Solution Approach 2:
The patent creates a composite effect by combining the triazine core structure with multiple aryl groups (Ar1, Ar2, Ar3) that can be unsubstituted or substituted phenyl groups. This composite molecular structure allows the nucleating agent to achieve both improved crystallinity and enhanced transparency, which single-type conventional nucleating agents cannot accomplish simultaneously.
2Reliability
If the trisaryloxytriazine compounds from Patent Documents 2 and 3 are used, then thermal stability or fluidity is improved, but nucleating performance and transparency are not examined or sufficient
Solution Approach 1:
The patent modifies the parameters of existing triaryloxytriazine compounds by specifically configuring the aryl groups (Ar1, Ar2, Ar3) in Formula (1) and their substitution patterns. This parameter optimization enables the compound to function as an effective nucleating agent that improves both crystallinity and transparency, whereas the previously used triaryloxytriazine compounds were not optimized for these properties.
3Ease of manufacture
If polyolefin-based resins are used for general applications, then moldability and mechanical properties are excellent, but transparency is limited due to crystallinity
Solution Approach 1:
The patent changes the crystallization parameters of polyolefin-based resins by introducing the specific triazine compound nucleating agent. This enables the resin to maintain its excellent moldability and mechanical properties while achieving improved transparency through controlled crystallization, allowing polyolefins to be used in applications requiring both ease of manufacture and optical clarity.
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 triazine compound effectively improves the transparency and crystallinity of synthetic resin compositions, enabling their use in various molded objects.
Implementation Method 1
A variety of nucleating agents are widely used for improving the crystallinity of a polyolefin-based resin and thereby improving the resin transparency
Implementation Method 2
improving the crystallinity of a polyolefin-based resin
Data Source
AI summary
Provided are: a novel nucleating agent capable of imparting excellent transparency to synthetic resins; a synthetic resin composition containing the same; and a molded object of the synthetic resin composition. The nucleating agent contains at least one triazine compound represented by Formula (1), wherein Ar1, Ar2 and Ar3 each independently represent an unsubstituted phenyl group or a substituted phenyl group. In Formula (1), for example, the number of substituents of the substituted phenyl group is preferably 1, and Ar1, Ar2 and Ar3 are preferably all different groups.