Instructions for using laundry products

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Modern laundry is no longer as simple as simply throwing clothes into the washing machine. Faced with the dazzling array of detergents, softeners and disinfectants on the market, many people are not sure how to use them correctly. The wrong order or method of addition may not only affect the washing effect, but also damage the clothes and even cause chemical reactions. This article will take you through the science of these laundry chemicals and the best ways to use them.

(1)、Detergent

1. common types and their characteristics

①. Washing powder

The main components of traditional alkaline detergents include surfactants, alkaline additives (such as sodium carbonate), enzyme preparations, etc. Its alkaline strong, good detergency. But alkaline may damage silk, wool and other protein fibers, and easy to residue, need to fully rinse.

②. Laundry Detergent

Neutral or weak alkaline liquid detergent, the ingredients are more gentle, dissolve quickly, and not easy to remain. The surfactant concentration is usually high, the oil removal ability is excellent, and the low temperature solubility is good, suitable for cold water washing.

③. Laundry beads

Concentrated detergents are wrapped in a water-soluble film and are similar in composition to laundry detergents, but in higher concentrations. 1 beads usually contain multiple functions such as washing, compliance and even disinfection. Easy to use, accurate dosage, but the price is relatively high.

2. mechanism of action

The core component of all types of detergents is a surfactant. Surfactants are the core of cleansing, with one end of the molecule being hydrophilic and the other being lipophilic. When the clothes are soaked, the lipophilic end adsorbs oil stains, and the hydrophilic end is connected with water molecules. Through mechanical friction and water flow impact, the dirt is stripped from the fabric fibers, and the emulsion is discharged with water.

3. the best way to use

①. Washing powder is suitable for cotton, linen and other alkali-resistant fabrics. When machine washing, it is dissolved first and then put into clothes to avoid direct contact with clothes and cause local damage. Water temperature 40-60 ℃ the best effect.

②. Laundry liquid is suitable for most fabrics, including delicate fabrics such as wool and silk. Cold or warm water can effectively play a role, pre-coating treatment of stubborn stains effect is remarkable.

③. Laundry beads are suitable for all kinds of fabrics and daily washing. When in use, they are directly put into the bottom of the washing machine drum and then put into the clothes. 1 beads can usually wash 6-8kg of clothes.

(2)、Softener

1. principle of action

The main components of softeners are cationic surfactants, which carry a positive

charge, while the residual detergent and fabric fibers after washing usually carry a negative charge. The positive and negative charges attract each other to form a lubricating film on the surface of the fiber, thus:

①. Reduce fiber friction: Make the fabric soft to the touch.

②. Antistatic: The lubricating film can conduct electricity and prevent charge accumulation.

③. Maintain fiber elasticity: reduce fiber hardening and extend fabric life.

2. the reason why the softener cannot be added at the same time as the detergent

①. Chemical Incompatibility

The cationic surfactant in the softener will combine with the anionic surfactant in the detergent, resulting in precipitation, resulting in the simultaneous failure of both. These deposits may adhere to clothing, forming oil spots that are difficult to remove.

②. The timing is not right.

The softener needs to be added in the rinsing stage, when most of the dirt and detergent have been washed away, and the softener can be evenly attached to the clean fiber surface. If it is added in the early stage of washing, it will wrap the dirt and hinder the cleaning process.

3. The correct usage

Softener should be added in the rinsing stage. Usually, the washing machine has a special softener delivery port, which will automatically release at the right time. If there is no dedicated port, it can be added manually during the last rinse.

4. restrictions on use:

①. Avoid being used for towels and sportswear with strong water absorption (affecting moisture absorption and perspiration).

②. Baby clothing, skin sensitive people with caution, may cause allergies.

③. Do not pour directly on the clothing, may cause local staining.

(3)、Disinfectant

1. common types and mechanisms:

①. Chlorine-containing disinfectant (e. g. 84)

The effective ingredient is sodium hypochlorite, strong oxidation damage microbial structure.

②. Phenolic disinfectant (e. g. drip)

The main component is p-chloro-m-xylenol, which destroys cell membranes and denatures proteins.

③. Quaternary ammonium salts

Cationic surfactants, adsorbed on the surface of microorganisms, change the membrane permeability.

2. reasons why disinfectant and detergent cannot be added at the same time

①. Chlorine-containing disinfectants mixed with acidic detergents or softeners may produce chlorine gas, which is a 1 toxic gas that can irritate the human respiratory tract.

②. The chlorine-containing disinfectant meets the enzyme preparation laundry detergent, which will oxidase protein, inactivate the enzyme and reduce the decontamination effect.

③. The combination of quaternary ammonium salt disinfectant and anionic detergent will produce precipitation and double failure.

3. scientific methods of use

①. Disinfect first, wash later

After starting the washing machine, first add the disinfectant and run for 3-5 minutes to make the disinfectant fully contact the clothes. Then pause the machine, add detergent, and continue the normal washing program.

②. Separate processing

For heavily contaminated clothing, you can first use diluted disinfectant soak for 15-30 minutes, and then add detergent for normal cleaning.

(4)、Common errors to correct

Myth 1: the more detergent the cleaner.

Reason: Excessive detergent is difficult to rinse thoroughly, and the residue may stimulate the skin and accelerate the yellowing of clothes.

Myth 2: Disinfectant is suitable for all clothes.

Reason: chlorine disinfectant is only suitable for white cotton, and frequent use will damage the fiber.

Myth 3: Softeners are also detergents.

Reason: softener no cleaning function, only care agent, should not replace detergent.

Conclusion

The correct use of laundry supplies is the key to taking into account the cleaning effect, fabric maintenance and family health. From the beginning of understanding the characteristics of the product, follow the scientific use of the order and methods, we can avoid common mistakes, so that every laundry has become an efficient and delicate care process. Master these knowledge, so that clean and care parallel, so that long-term clothing such as new, more quality of life.