Degreasing cotton refers to chemical treatmentFatCotton fromRaw cottonAfter the inclusion is removed,Degrease、bleach、wash、dry、arrangementProcessed.It is easier to absorb liquid than ordinary cotton. It is a sanitary product and also used to make nitric acid fiber.also calledabsorbent cotton。
Chinese name
Absorbent cotton
Foreign name
degreasing cotton
Definition
Refers to cotton that has been chemically treated to remove fat
raw materialThe finest cottonCaustic soda（NaOH，Industrial grade）, water.
Preparation methodTear up the cotton and pick out the visible impurities, such as pebbles, dead leaves, etc.Wash the cotton with water until the effluent is clear.Load cotton inEnamel panAdd water until it can be submerged, then add 2%~5% NaOH equivalent to the weight of water in the pot, cover and boil for 10 minutes at low heat.Cool down, wash with plenty of water, and rub for about 10 minutes.Put the washed cotton on clean paper to dry.
be carefulLye(NaOH) YesStrong corrosivity, must wear gloves and plasticApron, immediately wash it on the skin.Don't cook it too long to avoidDegree of polymerizationDeclineesterification。Pay attention to dust prevention when drying.
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fromRaw cottonAfter the inclusion is removed,Degrease、bleach、wash, dryarrangementProcessed.The absorbent cotton should be odorless, tasteless, stain free, and have goodWater absorptionThe fiber is soft and long, white and elastic, easy to delaminate, without acidalkaliAnd other harmful impurities, the quality shall conform toMinistry of HealthTechnical standards formulated.Degreasing cotton iscottonIt is made by degreasing, becausesurfaceNo fat, goodHydrophilicity, soaked in75% alcoholIt can be used as disinfection cotton ball.
