Chemicals in Textiles

SohaniSharma

Basic Textile Chemicals and Agents

Textile chemicals and agents are the substances used in the different processes involved in the processing of textiles, including pretreatment of raw fibers, dyeing, and the finishing of cloth. These chemicals enhance things like the durability, washing, softness, water, light, microbe, and fire resistance of fabric.

The following are a few of the significant textile chemical categories:

Pretreatment Chemicals – Used in desizing, scouring, and bleaching to cleanse away impurities and prep materials for further processing.

Dyestuffs and Printing Agents — These are the dyes, auxiliaries, and printing pastes that give textiles their color.

Finishing Chemicals – Improve fabric attributes like softness, water repellence, and flame retardants.

Specialty Chemicals – Like enzymes, optical brighteners, and anti-static agents to achieve specific fabric enhancements.

Some Chemicals Functions Textiles

These chemicals are necessarily employed to achieve desired aesthetics, functionality and high-quality textiles.

No	Name	Function	Chemical Code	Chemical Name
1	Wetting Agent	Helps to wet the fabric	A013 B	DETERGENT SEE
2	Wetting Agent/ Oil Remover	Clear the waste, oil, and waxes from the inside of the fabric	A035	JINGTERG Eco HT104 (DETRGENT)
3	Oil Remover Agent	Clear the waste, oil, and waxes from the inside of the fabric	A013 OPN	MULTI FUNCTINAL ACC FOR ONE BATH OPN
4	Antifoaming Agent	Clear the foam from the fabric	A030	TF-508C (DEFOAMER) LOAN
5	Anti- Creasing Agent	Make the fabric more slippery. Lessen the metallic friction and increase the brightness of the fabric	A034	ANTI- CREASING AGENT TF-208C
6	Peroxide Stabilizer Agent	Increases the power of peroxide	A027	PEROXIDE STABILIZER
7	Multi-Scour/ Alkali Agent	Clear the fabric from iron, oil, pectin, lessen the hardness of the water, increase the power of peroxide	PD-8	SCOURING/ WETTING AGENT (SURFACE ACTIVE)
8	Alkali Agent	Clear the waste inside the fabric, clear oil and pectin from the fabric, fixes the reactive dyes on the fabric	A002	CAUSTIC SODA FLAKES
9	Oxidizing Agent	Increase the whiteness of the fabric	A001B	GYDROGENT PEROXIDE H2O2
10	Nutralization Agent	Neutralizes the fabric by controlling pH	A008	RAZICAN GRE
11	Neutralization Agent/ Reducing Agent	Remove waste, oil, and pectin without changing color	A014	OXALIC ACID
12	Neutralization Agent/ Oxidizing Agent	Burn cotton cloth	H2SO4	H2SO4
13	Peroxide Killer Agent	Destroys the power of peroxide	A024	HP018-SAMPER KLR
14	Bio-Pholis Agent	Remove the neps and hairiness	C001	ENZYME
15	Levelling Agent (For Poly)	Helps to remove color of fabric and make slippery	A033 B	DYE BATH LUBRICANTS ANTI STATIC AGENT (LUBRICATING)
16	Levelling Agent/ Disperse Agent (For Poly)	Helps to color the fabric 98%, helps to color polyester at low heat and pressure	A032	DC35R 72 CONC
17	Leveling Agent (For Cationic disperse Dye)	Helps to remove the color of the fabric. Increase the power of levelling and helps in mixing the color	A015	HT-77 SEDIMENT PREVENT AGENT CD
18	Levelling Agent (For Cotton)	Helps to remove the color of the whole fabric	A019 C	LEVELING AGENT
19	Levelling Agent (For Cotton)	Helps to improve the removing power of the color from the fabric	A022 C	CTS-55% (COTTON LUBRICANT PREPARATION CTS-55%)
20	Sequestering Agent	Helps to remove iron and decrease the hardness of water	A012	SEQUESTERING AGENT
21	Glauber Salt Agent	Helps to improve the gap between yarn and helps to attract color of the fabric surface	A006	SODIUM SULPHATE ANHYDROUS
22	Soda Substance/ Alkali Agent	Fixes the color in the fabric	A010	FIXING AGENT IIT-21C
23	Alkali Agent	Fixes the color in the fabric	A004	SODA ASH LIGHT (DOUBLE RING)
24	Soaping Agent	Remove the excess color of cotton	A021 T	SOAPING AGENT
25	Multi Soaping Agent	Used when the fastness of double dyeing decreases, used in removing extra color from the fabric	A007-J	MULTI WASH WRF
26	Reducing Agent	Used in washing the machine, used in removing extra color from the fabric. Helps in removing extra color from cotton	A007	SODIUM HYDROSULPHATE HYDROSE
27	Reducing Agent	Removes extra wastes from the fabric. Stabilize the fastness of polyester.	A017	REDUCTION CREARING AGENT
28	Mordants	The chemicals that help dyes bind to fibers
29	Flame Retardants	Used for safety purposes
30	Water Repellents	For making fabric waterproof

FAQs About Textile Chemicals

1. What are the most commonly used bleaching agents in textiles?

The most commonly used bleaching agents in textile production are hydrogen peroxide, sodium hypochlorite (bleach), and sodium chlorite. Hydrogen peroxide is particularly popular as it effectively whitens fabrics while being relatively safer for workers and the environment.

2. Which chemicals are used for textile dyeing and coloring?

Common dyeing chemicals include reactive dyes, direct dyes, acid dyes, and disperse dyes. Other essential chemicals include reducing agents like Hydrose, stabilizers, and enzymes such as Tinozyme 44L for proper dye application and color fastness.

3. What are textile finishing chemicals and why are they important?

Textile finishing chemicals include softeners, anti-wrinkle agents, water repellents, flame retardants, and antimicrobial treatments. These chemicals improve fabric properties like feel, durability, appearance, and performance characteristics.

4. Are textile chemicals harmful to human health?

Many textile chemicals can pose health risks if not properly managed. The fashion industry may harm worker health with toxic chemicals, and some chemicals can cause skin irritation, respiratory issues, or other health problems if present in finished products.

5. What is hydrogen peroxide used for in textile processing?

Peroxide removes the natural gray color of fabric and is used as a bleaching agent. It provides good hydrophilicity (water affinity) and consistent whiteness to fabrics before dyeing or finishing.

6. Which chemicals are used for fabric pre-treatment?

Pre-treatment chemicals include desizing agents, scouring agents (like sodium hydroxide), bleaching agents (hydrogen peroxide), and mercerizing chemicals. These prepare the fabric for dyeing by removing impurities and improving dye uptake.

7. What are enzyme chemicals used for in textiles?

Enzymes are biological catalysts used for eco-friendly textile processing. They help in desizing (removing starch), bio-polishing (improving fabric smoothness), stone washing effects, and removing natural impurities without harsh chemicals.

8. How do discharge agents work to remove textile dyes?

The most familiar discharge agent is ordinary household bleach, whose active ingredient is sodium hypochlorite. These agents break down dye molecules to remove or change colors, though not all dyes can be discharged.

9. What chemicals are used for textile water treatment and pH control?

Common chemicals include sodium hydroxide (caustic soda) for raising pH, acetic acid for lowering pH, sodium carbonate (soda ash) for alkaline conditions, and various sequestering agents to remove metal ions from water.

10. Are there eco-friendly alternatives to traditional textile chemicals?

Yes, the industry is moving toward bio-based enzymes, natural dyes, ozone bleaching, plasma treatments, and OEKO-TEX certified chemicals that meet strict environmental and health standards for safer textile production.

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