Phosphoric Acid Esters for Glossy Surfaces

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Solution Overview

Problem

Conventional shine additives for hard surface cleaning leave a solid film that can lead to visible streaks and alter the surface properties, failing to effectively provide a glossy effect in low concentrations and being unsuitable for use in hard water or surfactant formulations.

Innovation Solution

Phosphoric acid esters of polyether-modified alkyl alcohols are produced through specific alkoxylation steps, allowing for a glossy effect in low concentrations, stability in aqueous formulations, and use in hard water without leaving smears or iridescent effects, by converting terminal hydroxyl groups into phosphoric acid ester groups and incorporating them into cleaning formulations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If conventional wax/acrylic polymer additives are used for shine, then a solid film is formed that smooths uneven surfaces, but the surface looks painted and not refreshed, and visible streaks appear due to mechanical stress

Engineering Contradiction:
Improvesurface smoothnessVSAvoidvisible streaks and painted appearance
Core Design Contradiction:
ShapeVSObject-generated harmful factors

Solution Approach 1:

The invention changes the chemical composition and molecular structure parameters of the shine additive from conventional wax/acrylic polymers to phosphoric acid esters of polyether-modified alkyl alcohols. This parameter change transforms the film-forming mechanism from solid film deposition to a different mode of action that provides gloss without the harmful visual effects of conventional additives.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The phosphoric acid esters combine multiple functional groups and molecular characteristics (polyether modification, phosphoric acid ester groups, alkyl alcohol backbone) into a single compound that achieves both surface smoothing and gloss enhancement without the drawbacks of conventional materials. This composite molecular structure provides the desired balance of properties.

Inventive Principle:
Principle #40Composite materials

2Illumination intensity

If conventional shine additives are used, then surface gloss is achieved, but the additives do not support cleaning and require higher concentrations

Engineering Contradiction:
Improvesurface glossVSAvoidcleaning effectiveness
Core Design Contradiction:
Illumination intensityVSProductivity

Solution Approach 1:

The phosphoric acid esters of polyether-modified alkyl alcohols serve multiple functions simultaneously: they provide surface gloss enhancement and also support cleaning activity. This multi-functionality eliminates the need to choose between shine and cleaning effectiveness, as the single additive compound performs both roles.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The invention changes the concentration parameter required for effective performance. The phosphoric acid esters achieve both gloss and cleaning support at lower concentrations compared to conventional additives, improving the productivity and efficiency of the cleaning formulation.

Inventive Principle:
Principle #35Parameter changes

3Reliability

If phosphoric acid esters of polyether-modified alkyl alcohols are used, then gloss is achieved in low concentrations with good stability, but specific molecular structure requirements must be met

Engineering Contradiction:
Improveformulation stabilityVSAvoidmolecular structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The invention applies local quality by specifying particular structural features at specific locations within the molecule: polyether modification at certain positions, phosphoric acid ester groups at others, and specific alkyl alcohol backbones. This localized structural specification ensures the desired stability and performance while providing clear guidance for synthesis.

Inventive Principle:
Principle #3Local quality

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 phosphoric acid esters provide a significant increase in gloss while maintaining surface integrity, reducing stain formation, and ensuring stability in surfactant-based formulations, even in low concentrations, and can be easily incorporated into cleaning products without affecting their properties.

Implementation Method 1

produce gloss on a surface

Methodology Applied
Scientific EffectLight reflection: Reflection

Data Source

PatentEP2778170B1Phosphoric acid esters, their preparation and use
Publication Date: 2017.11.15 EVONIK OPERATIONS GMBH
  • EP2778170B1 patent drawing
  • EP2778170B1 patent drawing
  • EP2778170B1 patent drawing

AI summary

Phosphoric acid ester compounds (I) are new. Phosphoric acid ester compounds of formula (I) or their salts are new. R1-R4 : R-O-(S1O)a-(EO)b-(P1O)c-(B1O)d- or OH, where at least one of R1-R4 is not OH; S1O : 2-phenylpropoxy; EO : -CH2-CH2-O-; P1O : -CH(CH3)-CH2-O-; B1O : -CH(CH2CH3)-CH2-O-; a : 2.2-10; b : 3-20; c : 0-10; d : 0-10; and R : 8-20C alkyl (optionally branched and optionally saturated). Independent claims are also included for: (1) preparing (I); (2) a cleaning- and/or care formulation comprising phosphoric acid ester compounds of formula (Ia) and/or their salts; and (3) use of phosphoric acid ester compounds of formula (Ib) and/or their salts, (I) or the formulation for producing gloss on a surface. R11-R14 : R21-O-(S1O)a1-(EO)b1-(P1O)c1-(B1O)d1- or OH, where at least one of R11-R14, preferably 4 of R11-R14 are not OH; a1 : 1-20, preferably 3-4; b1 : 1-100, preferably 8-12; c1, d1 : 0-10, preferably 0; R21 : 6-24C alkyl (optionally branched and optionally saturated); R31-R34 : R21-O-(S1O)a2-(EO)b2-(P1O)c2-(B1O)d2- or OH, where at least one of R31-R34, preferably 4 of R31-R34 are not OH; a2 : 1-20; b2 : 1-100; c2 : 0-40, preferably 0; and d2 : 0-20, preferably 0. [Image] [Image].