Arabic Gum Mortar Composition for Strength and Flow Control

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Solution Overview

Problem

Existing mortar compositions fail to effectively utilize Arabic Gum as a binder, resulting in suboptimal mechanical properties and environmental concerns from synthetic admixtures.

Innovation Solution

A cementitious mortar composition incorporating Arabic Gum (AG) in defined percentages, along with ordinary Portland cement and sand, enhances mechanical properties and reduces environmental impact.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If commercially available synthetic admixtures are used to modify concrete properties, then the mechanical properties and workability are improved, but environmental pollution and health hazards increase

Engineering Contradiction:

Improvemechanical propertiesVSAvoidenvironmental pollution and health hazards

Core Design Contradiction:

StrengthVSObject-affected harmful factors

Solution Approach 1:

The patent changes the chemical composition parameters of concrete admixtures by replacing synthetic chemicals with natural materials (Arabic gum, eggshell powder, date palm fiber). This substitution maintains the functional parameters (workability, strength) while eliminating harmful environmental and health effects associated with synthetic admixtures

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent uses locally available, inexpensive natural materials (Arabic gum, eggshell powder, date palm fiber) as alternatives to expensive imported synthetic admixtures. These natural materials are biodegradable and environmentally friendly, resolving the contradiction between performance improvement and environmental harm

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

2Strength

If chemical admixtures are used to enhance concrete performance, then the mechanical properties are improved, but the setting time becomes unpredictable and may be prolonged

Engineering Contradiction:

Improvemechanical propertiesVSAvoidsetting time

Core Design Contradiction:

StrengthVSLoss of time

Solution Approach 1:

The patent modifies the chemical composition by using natural materials with predictable hydration characteristics. Arabic gum, eggshell powder, and date palm fiber provide consistent and controllable setting times unlike synthetic admixtures, thereby improving reliability while maintaining mechanical performance

Inventive Principle:

Principle #35Parameter changes

3Strength

If synthetic admixtures are imported to meet construction requirements, then the technical performance is improved, but the cost increases significantly

Engineering Contradiction:

Improvemechanical propertiesVSAvoidcost

Core Design Contradiction:

StrengthVSEase of manufacture

Solution Approach 1:

The patent substitutes expensive imported synthetic admixtures with locally available natural materials (Arabic gum, eggshell powder, date palm fiber). This replacement significantly reduces material costs while maintaining concrete performance, directly addressing the cost contradiction

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The patent utilizes locally sourced natural materials that are readily available in the region, eliminating the need for expensive imports. The use of waste materials like eggshells and date palm fibers further reduces costs by converting waste into valuable construction additives

Inventive Principle:

Principle #25Self-service

4Ease of operation

If water-soluble compounds in chemical admixtures are used, then the workability is improved, but land pollution increases due to leaching

Engineering Contradiction:

ImproveworkabilityVSAvoidland pollution

Core Design Contradiction:

Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The patent uses biodegradable natural materials (Arabic gum, eggshell powder, date palm fiber) that do not leach harmful substances into the environment. These materials improve workability through natural mechanisms without creating land pollution, resolving the contradiction between operational ease and environmental harm

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

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 AG-based mortar composition exhibits improved flow, setting time, compressive strength, and reduced permeable voids, offering a sustainable alternative to conventional admixtures.

Implementation Method 1

Arabic Gum (AG), which is known as a retarding agent

Methodology Applied

Scientific EffectRetarding effect:

Implementation Method 2

Arabic Gum (AG), which is known as a lubricating agent

Methodology Applied

Scientific EffectLubrication effect: Lubrication

Implementation Method 3

cementitious mortar composition

Methodology Applied

Scientific EffectHydration reaction: Mineral Hydration

Data Source

PatentUS12617715B2Mortar compositions

Publication Date: 2026.05.05 IMAM ABDULRAHMAN BIN FAISAL UNIV

AI summary

Mortar composition made of ingredients including an Arabic Gum, a sand, and water, which when cured may provide a composition having properties including microcracks from 20 to 500 nm wide and 0.1 to 500 um long, and granules that are bundles of 20 to 1000 microfilaments in the form of cylinders. The mortar composition may combine a useful combination of one or more features selected from initial setting time, mortar flow, compressive strength when cured, flexural strength when cured and volume of permeable voids.