Dispersants, Anti-Redeposition Agents, and Scale-Control Materials in Household Cleaning Formulations: Mechanisms of Action, Selection Logic, and Representative Products

1. Why Dispersants Are Needed

In laundry detergents, automatic dishwasher detergents, and hard-surface cleaners, many cleaning problems are not caused by surfactants completely failing to remove soils. Instead, the soils may be detached from the surface and enter the wash liquor, but they are not kept under stable control. As a result, they may deposit again onto fabrics, dishes, glassware, or hard surfaces. Common issues include:

Phenomenon	Possible Cause	Material Direction to Focus On
White garments become grayer after repeated washing	Fine particles such as clay, carbon black, and dust redeposit onto fabrics	Anti-redeposition agents, dispersants
White spots remain on dishes after drying	Calcium and magnesium ions in hard water form deposits such as carbonates and silicates	Scale-control polymers, chelating agents
Glassware becomes cloudy	Inorganic gray film, silicate deposits, or carbonate deposits; it may also be related to glass etching	Polycarboxylate dispersants, scale-control polymers; if glass etching is involved, alkalinity, temperature, detergent dosage, and washing conditions should be controlled
Fabrics feel stiff or look dull after washing	Inorganic salts deposit or gray soil gradually accumulates	Polycarboxylates, anti-redeposition agents
Color transfer occurs between colored garments	Free dyes migrate during washing and attach to other fabrics	Dye transfer inhibition polymers
Oil stains are difficult to remove from polyester or polyester-cotton fabrics	Hydrophobic fibers readily adsorb oily soils, and soils may reattach repeatedly	Soil release polymers

A complete washing process can be divided into five steps:

Step	Main Process	Key Additives
1	Wetting, penetration, and soil detachment	Surfactants, alkalis, enzymes, solvents
2	Emulsification of oily soils and transfer of particulate soils into the aqueous phase	Surfactants, mechanical action
3	Keeping soil particles and inorganic precipitates dispersed	Dispersants, scale-control polymers
4	Preventing soils from redepositing onto surfaces	Anti-redeposition agents, dispersants
5	Removing soils with the rinse water	Rinsing conditions, dispersion stability

2. Differences Among Dispersants, Anti-Redeposition Agents, Scale-Control Agents, and Chelating Agents

In household cleaning formulations, dispersants, anti-redeposition agents, scale-control agents, and chelating agents often appear together, but their target substances and modes of action are different.

Name	Main Target	Core Function	Typical Materials
Surfactants	Oily soils, particulate soils, surfaces to be cleaned	Wetting, emulsification, solubilization, reduction of interfacial tension	LAS, AES, AEO, etc.
Dispersants	Clay, dust, inorganic precipitates, fine particles	Prevent particle agglomeration and keep soils and precipitates dispersed in the aqueous phase	Polyacrylates, acrylic acid-maleic acid copolymers
Anti-redeposition agents	Soil particles that have detached from surfaces	Reduce the probability of soils reattaching to fabrics or hard surfaces	CMC, modified styrene-maleic acid copolymers
Scale-control agents	Inorganic deposits such as carbonates, silicates, and phosphates	Inhibit crystal growth and reduce scale and gray film	Polycarboxylates, acrylic acid-maleic acid copolymers
Chelating agents	Metal ions such as Ca²⁺, Mg²⁺, and Fe³⁺	Complex metal ions and reduce hard-water interference	MGDA, GLDA, citrates, EDTA
Thickeners or rheology modifiers	Liquid systems, suspended particles	Increase viscosity and improve suspension and stability	HEC, xanthan gum, HASE thickeners

Dispersants and anti-redeposition agents are closely related, but they are not exactly the same. Dispersants emphasize keeping particles and precipitates stable in the aqueous phase. Anti-redeposition agents emphasize preventing soils from returning to the surface being cleaned. In laundry systems, anti-redeposition is one important result of dispersion. In automatic dishwasher and hard-surface cleaning systems, dispersants also help disperse inorganic precipitates and contribute to scale control.

Chelating agents mainly reduce the interference of metal ions in the system, while dispersants mainly control the aggregation, growth, and deposition of particles and precipitates. In hard-water systems, the two are often used synergistically.

3. How Dispersants Work

Dispersants work through interactions between polymer structures and particle surfaces, crystal surfaces, or fabric surfaces, thereby changing the state of soils and precipitates in the wash liquor.

3.1 Electrostatic Repulsion: Reducing Particle Agglomeration

Polycarboxylate materials such as polyacrylates and acrylic acid-maleic acid copolymers contain a large number of carboxylate groups. These groups can interact with soil particles or inorganic precipitate surfaces, giving the particles similar surface charges. Repulsion between like charges makes particles less likely to approach one another, agglomerate, or settle. This mechanism is very important for particulate systems such as clay, dust, carbonate precipitates, and silicate deposits.

3.2 Steric Hindrance: Forming a Protective Layer on Particle Surfaces

Some water-soluble polymers can adsorb onto or entangle around particle surfaces, forming a hydration layer or protective layer. When particles collide, they are less likely to come into direct contact, which reduces the tendency to aggregate. Sodium carboxymethyl cellulose, namely CMC, as well as some polycarboxylates and modified polymers, can contribute to soil suspension and anti-redeposition through this type of mechanism.

3.3 Crystal Growth Inhibition: Reducing Scale and Gray Film

In systems containing hard water, high alkalinity, carbonates, silicates, or phosphates, inorganic precipitates can easily form crystals and adhere to surfaces. Polycarboxylate dispersants can interfere with crystal nucleation and growth, keeping precipitates at a smaller particle size or forming morphologies that are less likely to adhere. This helps reduce scaling, water spots, gray film, and surface cloudiness.

3.4 Surface Protection: Reducing Soil Redeposition

In laundry systems, after soils have been removed from fabrics, fine particles may reattach to fiber surfaces if there is no anti-redeposition protection. This can lead to reduced whiteness and fabric graying. Materials such as CMC, modified styrene-maleic acid copolymers, and ethoxylated polyethyleneimine can reduce soil redeposition through soil suspension, interactions with fiber surfaces, or synergy with surfactants.

4. Core Dispersants and Anti-Redeposition Materials

4.1 Polyacrylic Acid and Its Salt Polymers

Polyacrylic acid and its salts are among the most common polycarboxylate dispersants used in household cleaning. Common forms include low-molecular-weight sodium polyacrylate, polyacrylic acid and its neutralized salts, and other water-soluble polycarboxylate polymers used for precipitate dispersion, crystal growth inhibition, and hard-water scale control.

Their main functions include:

① Dispersing inorganic precipitates such as carbonates, phosphates, and silicates;

② Inhibiting crystal growth and reducing scale and gray film;

③ Dispersing particulate soils such as clay and dust;

④ Reducing fabric grayness and surface deposits under hard-water conditions.

4.2 Acrylic Acid-Maleic Acid Copolymers

Acrylic acid-maleic acid copolymers are commonly used scale-control and dispersing polymers in hard-water, high-alkalinity, automatic dishwasher, and phosphate-free formulations. AA/MA copolymers, namely acrylic acid/maleic acid copolymers, usually provide precipitate dispersion, crystal growth inhibition, and suspended-solid dispersion. These materials are more suitable for the following applications:

Application	Main Value
Automatic dishwasher detergents	Reduce water spots, white film, and inorganic deposits
High-hardness laundry systems	Reduce gray soil and fabric stiffness
Phosphate-free or low-phosphate formulations	Supplement precipitate control and dispersion performance
Hard-surface cleaners	Reduce scale, soap scum, and gray film

4.3 CMC Anti-Redeposition Agents

Sodium carboxymethyl cellulose, or CMC, is a classic anti-redeposition material used in laundry systems. Its main role is to help fine soils such as clay, carbon black, and dust that have already detached from fabrics remain suspended, thereby reducing the probability that they will redeposit onto fabric surfaces.

The main value of CMC includes:

① Reducing redeposition of clay and particulate soils;

② Improving whiteness maintenance;

③ Enhancing the fresh feel of washed fabrics;

④ Providing synergy with surfactants and polycarboxylates.

4.4 Modified Styrene-Maleic Acid Copolymers

Modified styrene-maleic acid copolymers are a class of polymeric dispersants and anti-redeposition polymers that can be used in laundry systems. Their structures contain both hydrophobic segments and hydrophilic carboxylate structures, allowing them to interact with soil particles, fiber surfaces, or dispersed phases in the wash liquor. This helps reduce the reattachment of fine particles such as clay and carbon black to fabrics during washing.

The application focus of these materials is soil redeposition control, whiteness maintenance, and improvement of post-wash appearance. Compared with CMC, they represent a different structural route for anti-redeposition polymers. Compared with polyacrylate dispersants, they are more focused on controlling the redeposition of particulate soils in laundry systems.

5. Related Functional Polymers

In addition to polycarboxylate dispersants, scale-control polymers, and CMC anti-redeposition agents, laundry formulations may also use other functional polymers to solve redeposition, soil release, and dye migration problems under specific fabric types, soil types, or washing conditions.

5.1 Polyester-Based Soil Release Polymers

Soil release polymers, or SRPs, are mainly used in fabric care, especially for synthetic fibers such as polyester and polyester-cotton blends. Their key function is to modify the fiber surface, making oily soils and sebum-type soils easier to remove during washing and reducing the probability of soils reattaching to the fibers.

These materials are commonly used in low-temperature washing, synthetic-fiber washing, and sportswear cleaning applications. They can improve oily soil removal and post-wash appearance after repeated washing.

5.2 Ethoxylated Polyethyleneimine Polymers

Polyethyleneimine, or PEI, can be used as a multifunctional polymer in laundry systems after ethoxylation modification. Its key functions include enhancing the detergency of surfactant systems, reducing redeposition of clay-type particulate soils, and improving cleaning performance under low-temperature washing conditions.

These materials are commonly used in concentrated liquid laundry detergents, low-temperature washing systems, and fabric-cleaning formulations with higher levels of clay soil. They can achieve synergy in anionic/nonionic surfactant systems through formulation screening, but compatibility, low-temperature stability, storage stability, and actual washing performance still need to be verified.

5.3 PVP and PVP Copolymers

Polyvinylpyrrolidone, or PVP, and its copolymers are mainly used for dye transfer inhibition, free dye control, and liquid-system stabilization. The lactam groups in their structures can interact with certain dyes or polar substances, helping reduce the risk of color transfer caused by dye migration during washing.

PVP materials are commonly used in color-care laundry, anti-color-transfer formulations, and multifunctional liquid laundry systems. Compared with polycarboxylate scale-control agents, their main function is not inorganic precipitate control. Compared with CMC anti-redeposition agents, they are also not typical primary anti-redeposition agents for particulate soils. Instead, they focus more on dye migration control and stabilization of dissolved or dispersed components in the wash liquor.

5.4 Sustainable Dispersing and Scale-Control Materials

Polyaspartic acid, or PASP, carboxymethyl inulin, or CMI, and bio-based CMC can be used in sustainable dispersing, scale-control, and anti-redeposition systems. Their value is mainly reflected in phosphate-free formulations, biodegradable formulations, renewable-source formulations, and the development of green cleaning products.

These materials can be used in research on hard-water deposit control, particulate soil dispersion, and fabric grayness control. In actual selection, hard-water conditions, pH, surfactant system, compatibility, and application test results should all be considered.

6. Comparison of Key Products and Categories

6.1 Core Dispersants and Anti-Redeposition Materials

Category	Representative Product or Raw Material	Main Target	Core Function	Main Applications
Polyacrylic acid and its salts	Polyacrylic acid, sodium polyacrylate	Inorganic precipitates, clay particles, gray soil	Precipitate dispersion, crystal growth inhibition, scale control	Laundry detergents, automatic dishwasher detergents, hard-surface cleaners
Acrylic acid-maleic acid copolymers	Acrylic acid-maleic acid copolymers and their salts	Carbonates, silicates, hard-water deposits	Scale control, suspended-solid dispersion, gray film reduction	Automatic dishwasher detergents, high-alkalinity cleaning, phosphate-free formulations
Sodium carboxymethyl cellulose	Sodium carboxymethyl cellulose, CMC	Fabric soils, clay, carbon black	Anti-redeposition, suspension protection, whiteness maintenance	Powder laundry detergents, liquid laundry detergents
Modified styrene-maleic acid copolymers	Modified styrene-maleic acid copolymers and their salts	Laundry soil redeposition	Polymer dispersion, anti-redeposition, fabric graying control	Liquid and powder detergents

6.2 Related Functional Polymers

Category	Representative Product or Raw Material	Main Target	Core Function	Main Applications
Polyester-based soil release polymers	Polyester-based soil release polymers	Oily soils on polyester and polyester-cotton fibers	Soil release, surface modification, anti-redeposition	Fabric care, low-temperature washing
Ethoxylated polyethyleneimine	Ethoxylated polyethyleneimine	Clay soils, anionic surfactant systems	Enhanced detergency, reduced clay redeposition	Concentrated liquid laundry detergents, low-temperature washing
Polyvinylpyrrolidone and its copolymers	Polyvinylpyrrolidone, PVP; PVP copolymers	Free dyes, some particulate soils	Dye transfer inhibition, anti-redeposition, system stabilization	Color-care laundry, liquid laundry detergents
Sustainable dispersing and scale-control materials	Sodium polyaspartate, carboxymethyl inulin, bio-based CMC	Hard-water deposits, particulate soils	Dispersion, scale control, anti-redeposition	Eco-friendly and phosphate-free formulations

7. How to Select Materials for Different Application Scenarios

7.1 Liquid Laundry Detergents and Powder Laundry Detergents

Laundry systems focus on fabric graying, clay redeposition, hard-water gray soil, oily soils on synthetic fibers, and dye migration. Different problems correspond to different material directions.

Formulation Problem	Preferred Material Direction
White garments become gray; clay soil redeposition	CMC, modified styrene-maleic acid copolymers, ethoxylated PEI
Fabrics become stiff or dull due to hard water	Polyacrylates, acrylic acid-maleic acid copolymers
Oily soils are difficult to remove from polyester or polyester-cotton fabrics	Polyester-based soil release polymers
Color transfer between colored garments	PVP or PVP copolymers
Low-temperature washing; concentrated liquid laundry detergents	Ethoxylated PEI, CMC, polycarboxylate dispersants

Laundry systems usually require a combination of materials. CMC focuses on controlling soil redeposition on fabrics. Polycarboxylates focus on hard-water deposits and particle dispersion. Polyester-based soil release polymers focus on oily soil release from synthetic fibers. PVP materials focus on dye migration control.

7.2 Automatic Dishwasher Detergents

Automatic dishwasher systems focus on water spots, white film, glass cloudiness, and inorganic deposits. Synergy between scale-control dispersants and chelating agents is especially important.

Formulation Problem	Preferred Material Direction
Water spots on dishes	Polyacrylates, acrylic acid-maleic acid copolymers, chelating agents
Cloudy glassware	Polycarboxylate scale-control agents, acrylic acid-maleic acid copolymers, chelating agents
High-hardness water deposits	Synergy between scale-control polymers and chelating agents
White film and inorganic residues	Polycarboxylate dispersants, acrylic acid-maleic acid copolymers

7.3 Hard-Surface Cleaners

Hard-surface cleaners focus on scale, soap scum, gray film, wiping residues, and surface cloudiness after cleaning. In hard-surface systems, dispersants are used for precipitate dispersion and scale control, while rheology modifiers are used to improve suspension and stability. The two serve different functions and can be used together depending on formulation state and target problem.

Formulation Problem	Preferred Material Direction
Scale and inorganic deposits	Polycarboxylates, acrylic acid-maleic acid copolymers, PASP, CMI
Soap scum and gray film	Synergy between dispersants and chelating agents
Surface cloudiness after cleaning	Low-residue system, scale-control dispersants
Particle suspension stability	Combination of dispersants and rheology modifiers

7.4 Eco-Friendly and Phosphate-Free Formulations

In phosphate-free and eco-friendly formulations, materials such as polycarboxylates, PASP, CMI, and bio-based CMC may be considered for hard-water deposit control, particulate soil dispersion, and anti-redeposition performance. Among these, polycarboxylates focus more on deposit control and dispersion performance in phosphate-free systems. PASP, CMI, and bio-based CMC are more suitable for formulation research oriented toward biodegradability, renewable sources, or green cleaning. In actual selection, hard-water conditions, pH, surfactant system, compatibility, regulatory requirements, and application testing should all be considered.

8. Representative Chemical Classification Tables Related to Dispersants, Anti-Redeposition Agents, and Scale-Control Polymers for Household Cleaning Applications

The following products are mainly intended for scientific research, model experiments, and formulation screening. Whether they are suitable as raw materials for final industrial household cleaning formulations should be confirmed based on the specific product grade, SDS, COA, regulatory requirements, impurities, odor, color, microbiological status, cost, and actual application testing.

Table 1. Core Products Related to Dispersion, Anti-Redeposition, and Scale Control

Category	CAS No.	Aladdin Catalog No.	Name	Specification or Purity	Product Features and Applications
Laundry anti-redeposition agent	9004-32-4	C104986	Sodium carboxymethyl cellulose (CMC)	Viscosity: 1000–1400 mPa·s, USP grade	A cellulose ether water-soluble polymer. It can be used in laundry systems for anti-redeposition studies of clay, carbon black, and fine particulate soils, and is suitable for experiments on whiteness maintenance, fabric graying control, and soil suspension.
Polycarboxylate dispersant and scale-control agent	9003-01-4	P661414	Polyacrylic acid (PAA)	Viscosity ≤2000 cP (25°C)	A polycarboxylic acid water-soluble polymer. It can be used for studies on carbonate, silicate, and inorganic particle deposition control, and is suitable for experiments on crystal growth inhibition, hard-water scale control, and particle dispersion.
Dye transfer inhibition polymer	9003-39-8	P434444	Polyvinylpyrrolidone (PVP)	For plant cell culture, average mol wt 10,000	A water-soluble pyrrolidone polymer. It can be used for dye migration control, free dye adsorption, and anti-color-transfer model studies, and is suitable for experiments on color-care laundry, dye transfer inhibition, and liquid detergent system stability.
Polycarboxylate dispersant and scale-control agent	9003-04-7	P434409	Sodium polyacrylate (PAAS)	Average Mw ~8000, 45% in H₂O	A low-molecular-weight polyacrylate aqueous solution. It can be used for hard-water precipitate dispersion, calcium carbonate crystal growth inhibition, particulate soil stabilization, and inorganic gray-film control experiments.
Organophosphonate scale-control agent	2809-21-4	E107456	Hydroxyethylidene diphosphonic acid (HEDP)	Moligand™, 60% aqueous solution	An organophosphonate scale-control agent. It can be used for calcium and magnesium ion deposition control, metal ion stabilization, and scale inhibition studies, and is suitable for experiments in hard-surface cleaning, automatic dishwasher cleaning, and high-hardness water systems.
Biodegradable polyamino acid scale-control dispersant	25608-40-6	P303238	Polyaspartic acid sodium salt (PASP)	Moligand™, 40% aqueous solution	A biodegradable polyamino acid water-soluble polymer. It can be used for scale control, particle dispersion, and hard-water deposit control in phosphate-free cleaning systems, and is suitable for green detergent formulation experiments.
Polycarboxylic acid scale-control dispersant	26099-09-2	P192380	Polymaleic acid	50% in H₂O	A polymaleic acid aqueous solution. It can be used for carbonate, scale, and inorganic deposit inhibition studies, and is suitable for scale-control and dispersion experiments in high-alkalinity, high-hardness water, and phosphate-free cleaning systems.
Multifunctional anti-redeposition polymer	26658-46-8	P466584	80% ethoxylated polyethyleneimine solution	37 wt.% in H₂O	An ethoxylated polyethyleneimine aqueous solution. It can be used for anti-redeposition studies of clay soils, surfactant-synergistic detergency, and low-temperature washing performance, and is suitable for experiments on concentrated liquid laundry detergents and fabric graying control.
Polycarboxylic acid scale-control dispersing copolymer	26677-99-6	P303284	Acrylic acid-maleic acid copolymer	Solids content ≥48%	An acrylic acid-maleic acid water-soluble copolymer. It can be used for carbonate, silicate, and inorganic deposit control studies in hard-water, high-alkalinity, and phosphate-free cleaning systems, and is suitable for experiments on scale control, dispersion, gray-film control, and suspended-solid dispersion.
Styrene-maleic acid dispersing polymer	9011-13-6	S1509052	SMA base resin	—	A styrene-maleic anhydride base resin containing hydrophobic styrene segments and reactive maleic anhydride groups. After hydrolysis or neutralization, it can be used for studies on alkali-soluble polymer dispersion, soil suspension, anti-redeposition models, and polymer blending.
Styrene-maleic acid dispersing polymer	9011-13-6	P774250	Polystyrene-maleic anhydride copolymer	—	A styrene-maleic anhydride copolymer. It can be used for studies on particulate soil surface interactions, alkali-soluble polymer dispersion, anti-redeposition, and structure-property relationships.
Polyamine functional polymer	9002-98-6	E107078	Polyethyleneimine (PEI)	≥99%, M.W. 1800	A polyamine water-soluble polymer. It can be used to study interactions among cationic polymers, clay soils, fiber surfaces, and anionic surfactants, and can also serve as a material for ethoxylated PEI modification and comparative research.

Table 2. Chelating, Builder, and Hard-Water Control Synergy Products

Category	CAS No.	Aladdin Catalog No.	Name	Specification or Purity	Product Features and Applications
Biodegradable chelating agent	51981-21-6	T303874	Tetrasodium N,N-bis(carboxymethyl)-L-glutamate	Active content ≥47%	An aminocarboxylate chelating agent. It can be used for calcium and magnesium ion control, cleaning performance evaluation under hard-water conditions, and phosphate-free formulation research, and is suitable for deposit-control experiments in synergy with polycarboxylate dispersants.
Builder and buffering agent	6132-04-3	S434901	Sodium citrate dihydrate	Pharmaceutical grade, PharmPure™	A citrate builder component. It can be used for hard-water buffering, auxiliary complexation of calcium and magnesium ions, and phosphate-free detergent system research, and is suitable for experiments on mild cleaning, dish cleaning, and liquid formulation stability.
Builder and buffering agent	68-04-2	T774745	Trisodium citrate	Anhydrous grade, USP	An anhydrous citrate builder component. It can be used for hard-water buffering, formulation pH adjustment, and cleaning performance evaluation in powder or low-water systems, and is suitable for phosphate-free detergent formulation experiments.
Mild chelating auxiliary	527-07-1	G432830	Sodium gluconate	Suitable for synthesis	A gluconate chelating auxiliary. It can be used for metal ion control, deposition inhibition, and hard-surface cleaning studies in alkaline systems, and is suitable for experiments on scale, soap scum, and gray-film control.
Traditional chelating agent	6381-92-6	E118595	Ethylenediaminetetraacetic acid disodium salt dihydrate	Suitable for electrophoresis, molecular biology grade	An aminocarboxylate chelating agent. It can be used for complexation of metal ions such as calcium, magnesium, and iron, hard-water interference control, and cleaning system stability studies, and is suitable as a reference material for chelation capacity experiments.
Biodegradable chelating agent	164462-16-2	T161558	Trisodium N-(1-carboxyethyl)iminodiacetate	≥95% (T)	An aminocarboxylate chelating agent. It can be used for hard-water ion control, phosphate-free detergent systems, and sustainable cleaning formulation research, and is suitable for deposit-control experiments in synergy with scale-control dispersants.

Table 3. Supporting Products for Suspension, Thickening, and System Stability

Category	CAS No.	Aladdin Catalog No.	Name	Specification or Purity	Product Features and Applications
Natural gum suspension stabilizer	9000-30-0	G109238	Guar gum	Viscosity: 5000–5500 cps, 200 mesh	A natural polysaccharide thickening material. It can be used for viscosity adjustment, particle suspension, and system stability studies in liquid cleaning systems, and is suitable for experiments on suspension-type cleaners and rheological performance.
Natural gum suspension stabilizer	11138-66-2	G104873	Xanthan gum	PharmPure™, USP	A microbial polysaccharide rheology modifier. It can be used for thickening liquid systems, particle suspension, and shear-thinning rheology studies, and is suitable for experiments on cleaner stability, suspension stability, and storage performance.
Cellulose ether rheology modifier	9004-62-0	H434475	2-Hydroxyethyl cellulose (HEC)	Average Mw ~380,000	A nonionic cellulose ether thickening material. It can be used for viscosity adjustment, system stability, and particle suspension studies in liquid cleaners, and is suitable for rheology control and storage stability experiments in dispersed systems.
Film-forming and dispersion-stabilizing copolymer	62386-95-2	P304182	Maleic acid-methyl vinyl ether copolymer calcium sodium salt	Reagent grade	A maleic acid-methyl vinyl ether copolymer salt containing carboxylate structures. It can be used for studies on water-soluble polymer film formation, adhesion, dispersion stability, and system stability.
Research monomer for dye transfer inhibition polymers	88-12-0	V106155	N-Vinylpyrrolidone (NVP)	≥99%, contains 100 ppm NaOH as stabilizer	N-Vinylpyrrolidone is an important synthetic monomer for PVP and its copolymers. It can be used in the synthesis research of dye transfer inhibition polymers, anti-color-transfer copolymers, and water-soluble functional polymers.
Research monomer for dye transfer inhibition polymers	1072-63-5	V109377	1-Vinylimidazole	≥99%	1-Vinylimidazole is an imidazole-containing vinyl functional monomer. It can be used in the synthesis research of water-soluble copolymers such as vinylpyrrolidone-vinylimidazole copolymers, and is suitable for studies on dye transfer inhibition, anti-color-transfer functional polymers, and cationic or amphoteric polymer structure design.
Water-soluble film-forming and system-stabilizing polymer	9002-89-5	P139537	Poly(vinyl alcohol) (PVA)	Degree of hydrolysis: 87.0–89.0 mol%; viscosity: 3.2–3.6 mPa·s	Polyvinyl alcohol is a water-soluble film-forming and system-stabilizing research material. It can be used for studies on liquid formulation stability, dispersion stability, film-forming performance, water-soluble polymer systems, and detergent pod film materials.

Note: The above are representative Aladdin products related to scientific research and formulation studies. For more product specifications, grades, and COA information, please search by “product name/CAS/catalog number” on the Aladdin website.

More related articles are listed below:

Understanding Brij 35: A Deep Dive into Its Role as a Nonionic Surfactant

Structural Basis and Laboratory Applications of Sodium Cholate as an Anionic Biosurfactant

From Foxglove to the Lab Bench: How Digitonin Works as a Non-ionic Surfactant

Understanding n-Octyl-β-D-glucopyranoside: A Non-ionic Surfactant for Research and Biotechnology

n-Dodecyl-β-D-maltoside (DDM): Structure, Properties, and Applications as a Non-ionic Surfactant

Sodium Lauroyl Sarcosinate: Structure–Property–Application of an Amino-Acid–Based Anionic Surfactant

CTAB Demystified: Structure, Properties, and Practical Uses of a Classic Cationic Surfactant

Poloxamers Explained: A Comprehensive Guide to Non-Ionic Block Copolymer Surfactants

Non-Ionic Surfactants in Focus: Alcohol Ethoxylates, Polyethylene Glycol Trimethylnonyl Ether, and Triton™ X-100

Tween 20 and Tween 80 as Non-Ionic Surfactants: Structure, Properties, and Applications

A Panoramic Guide to Surfactants: Definitions & Mechanisms, Key Metrics, Application Scenarios, and Selection Navigation (Tables 1–3)

Saponins as Natural Non-ionic Surfactants: Structure, Function, and Applications

Non-ionic Detergents Explained: From Chemical Structure to Laboratory Use