Urethane Poly(meth)acrylate TAIC Crosslinking Aid for Ethylene Copolymer Insulation
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Solution Overview
Problem
Conventional crosslinking aids, such as triallyl isocyanurate (TAIC), fail to provide ethylene-vinyl acetate copolymers with sufficient insulation properties while maintaining transparency, adhesive properties, heat resistance, and flexibility for applications like solar cells.
Innovation Solution
Combining TAIC with urethane poly(meth)acrylate as a crosslinking aid, which can be synthesized from organic isocyanates and hydroxyl group-containing (meth)acrylates, to enhance the insulation properties of ethylene copolymers in resin compositions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If TAIC is used as a crosslinking aid with ethylene-vinyl acetate copolymer, then transparency, adhesive properties, heat resistance and flexibility are improved, but insulation properties (volume resistivity) deteriorate
Solution Approach 1:
The patent applies composite materials by combining TAIC with a polyfunctional (meth)acrylate of a polyhydric alcohol to create a crosslinking aid composition. This composite approach leverages the advantages of both components: TAIC provides transparency, adhesive properties, heat resistance and flexibility, while the polyfunctional (meth)acrylate improves insulation properties. The synergistic effect of the composite crosslinking aid resolves the contradiction between maintaining reliable performance and improving insulation.
Solution Approach 2:
The patent changes the chemical composition parameters of the crosslinking aid by introducing a polyfunctional (meth)acrylate component with specific functional groups. This parameter change modifies the crosslinking network structure to reduce polarity and improve volume resistivity while maintaining the beneficial properties provided by TAIC.
2Object-affected harmful factors
If a polyfunctional (meth)acrylate of a polyhydric alcohol is combined with TAIC, then insulation properties are improved, but the complexity of the crosslinking aid composition increases
Solution Approach 1:
The patent optimizes the composition parameters by specifying precise weight ratio ranges (0.1-10 parts polyfunctional (meth)acrylate per 1 part TAIC, preferably 0.5-5 parts). This parameter optimization balances the improvement in insulation properties with the complexity of the composition, ensuring that the benefits are achieved without excessive complexity in formulation and processing.
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 use of urethane poly(meth)acrylate with TAIC results in adhesive resin compositions with improved insulation properties while maintaining transparency, adhesive properties, and heat resistance, effectively addressing the limitations of conventional crosslinked ethylene-vinyl acetate copolymers.
Implementation Method 1
a resin composition comprising an ethylene-based copolymer as a base material and an organic peroxide as a crosslinking agent mixed with the ethylene-based copolymer
Implementation Method 2
TAIC is known as a useful crosslinking aid upon obtaining a molded body by curing a cross-linkable polymer
Implementation Method 3
a crosslinking aid comprising a urethane poly(meth)acrylate in combination with triallyl isocyanurate
Data Source
AI summary
The present invention provides a crosslinking aid comprising triallyl isocyanurate (TAIC), which serves for obtaining an adhesive resin exhibiting excellent insulation properties while maintaining good transparency, adhesive properties, heat resistance and flexibility of conventional crosslinked ethylene-vinyl acetate copolymers. The crosslinking aid of the present invention comprises a urethane poly(meth)acrylate in combination with triallyl isocyanurate.