Organoborane Adhesive Set for Rapid Strength Development

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Solution Overview

Problem

Conventional adhesive compositions containing an organoborane complex take a long time to develop sufficient adhesive strength, which is a hindrance to process compatibility.

Innovation Solution

An adhesive set comprising a main agent with a decomplexing agent and an initiator containing an organoborane complex and an N,N-disubstituted (meth)acrylamide, which includes compounds with radically polymerizable groups and metal halide salts, is used to accelerate the development of adhesive strength.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If conventional adhesive compositions containing an organoborane complex are used, then adhesive bonding is achieved, but sufficient adhesive strength takes a long time to develop

Engineering Contradiction:

Improveadhesive strengthVSAvoidtime to develop adhesive strength

Core Design Contradiction:

StrengthVSLoss of time

Solution Approach 1:

The patent introduces N,N-disubstituted (meth)acrylamide as a new chemical component parameter in the adhesive composition, which fundamentally changes the polymerization mechanism to enable rapid adhesive strength development while maintaining bonding effectiveness

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent creates a composite adhesive system combining organoborane complex, N,N-disubstituted (meth)acrylamide, and compounds with radically polymerizable groups, where the synergistic interaction between components accelerates adhesive strength development within 5 hours

Inventive Principle:

Principle #40Composite materials

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 adhesive set enables rapid development of sufficient adhesive strength, facilitating efficient bonding processes.

Implementation Method 1

The organoborane acts as an initiator that generates radicals by reacting with oxygen

Methodology Applied

Scientific EffectRadical generation through organoborane-oxygen reaction: Chemical Bonding

Implementation Method 2

moderate interaction acts between the p orbital of the organoborane of an organoborane complex and an N,N-disubstituted (meth)acrylamide

Methodology Applied

Scientific Effectp orbital interaction: Chemical Bonding

Implementation Method 3

the metal of a metal halide salt forms a complex with the N,N-disubstituted (meth)acrylamide to be stabilized

Methodology Applied

Scientific EffectComplex formation: Chemical Bonding

Implementation Method 4

an adhesive layer bonding the first adherend and the second adherend to each other, in which the adhesive layer contains a cured product of an adhesive composition

Methodology Applied

Scientific EffectCuring: Chemical Bonding

Data Source

PatentUS20250326951A1Adhesive set, adhesive body, and manufacturing method therefor

Publication Date: 2025.10.23 RESONAC CORP

AI summary

An adhesive set includes a main agent containing a decomplexing agent and an initiator containing an organoborane complex and an N,N-disubstituted (meth)acrylamide. At least one of the main agent and the initiator further contains a compound having a radically polymerizable group. At least one of the main agent and the initiator further contains at least one selected from the group consisting of a metal halide salt and a compound having a thiocarbonyl thio structure.