Hard Surface Detergent Composition with Carboxylic Acid and Alkanolamine

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Solution Overview

Problem

Conventional cleaning agents for hard surfaces fail to maintain effective detergency at normal temperatures, leading to increased energy costs for drying and issues with bubble overflow, while attempts to enhance cleaning performance through increased chemical usage do not achieve cost savings and result in operational troubles.

Innovation Solution

A cleaning agent composition comprising a carboxylic acid compound, an alkanolamine compound, and a hydroxyl group-containing compound, along with a glycol ether, which enhances liquid dropping properties and foam inhibition, allowing effective cleaning at normal temperatures without the need for heating.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by stationary object

If the temperature for the cleaning step is lowered to normal temperature, then energy cost is saved, but cleaning performance deteriorates

Engineering Contradiction:
Improveenergy costVSAvoidcleaning performance
Core Design Contradiction:
Use of energy by stationary objectVSReliability

Solution Approach 1:

The patent changes the chemical composition parameters of the cleaning agent by incorporating specific surfactant combinations (anionic and nonionic surfactants) and chelating agents that enable effective cleaning at normal temperatures without requiring thermal energy input, thus resolving the contradiction between energy savings and cleaning performance

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent uses a composite cleaning agent formulation combining multiple surfactant types (anionic surfactant and nonionic surfactant) with chelating agents and organic acids, creating a synergistic composition that maintains high cleaning performance at normal temperatures, eliminating the need for heating while preserving detergency

Inventive Principle:
Principle #40Composite materials

2Reliability

If the amount of cleaning agent is increased to compensate for detergency, then cleaning performance is improved, but cost increases and bubble overflow occurs

Engineering Contradiction:
Improvecleaning performanceVSAvoidamount of cleaning agent
Core Design Contradiction:
ReliabilityVSQuantity of substance

Solution Approach 1:

The patent optimizes the concentration parameters of the cleaning agent formulation, achieving high cleaning performance with reduced amounts through the use of synergistic surfactant combinations and chelating agents that enhance detergent efficiency per unit volume, preventing both cost increase and bubble overflow

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent introduces chelating agents and organic acids as intermediary substances that enhance the effectiveness of the surfactants, allowing lower overall cleaning agent quantities to achieve the same cleaning performance, thus avoiding cost increases and excessive foaming

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If conventional cleaning agents are used, then cleaning performance is achieved, but liquid dropping property is poor and drying energy cost increases

Engineering Contradiction:
Improvecleaning performanceVSAvoiddrying energy cost
Core Design Contradiction:
ReliabilityVSUse of energy by stationary object

Solution Approach 1:

The patent modifies the surface tension parameters of the cleaning agent through specific surfactant selection and combination, improving liquid dropping properties and facilitating faster evaporation and drying of cleaned surfaces, thereby reducing drying energy costs while maintaining cleaning performance

Inventive Principle:
Principle #35Parameter changes

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 composition achieves excellent liquid dropping properties, reducing energy costs by enabling efficient drying and maintaining cleaning performance and foam inhibition at normal temperatures, thus addressing the limitations of conventional agents.

Implementation Method 1

containing (A) at least one kind of carboxylic acid compound selected from the group consisting of an aliphatic monocarboxylic acid, a polycarboxylic acid, and any neutralized salt of these, (B) an alkanolamine compound, and (C) a hydroxyl group-containing compound having from 8 to 50 carbon atoms

Methodology Applied
Scientific EffectSurface tension reduction: Surfactant

Implementation Method 2

the cleaning agent composition for hard surface of the present invention can be a cleaning agent exhibiting excellent liquid dropping property

Methodology Applied
Scientific EffectFoam inhibition: Antifoam

Data Source

PatentUS11034917B2Hard surface detergent composition
Publication Date: 2021.06.15 NICCA CHEM COMPANY
  • US11034917B2 patent drawing
  • US11034917B2 patent drawing
  • US11034917B2 patent drawing

AI summary

The cleaning agent composition for hard surface contains (A) at least one kind of carboxylic acid compound selected from the group consisting of an aliphatic monocarboxylic acid, a polycarboxylic acid, and any neutralized salt of these, (B) an alkanolamine compound, and (C) a hydroxyl group-containing compound having from 8 to 50 carbon atoms.