Product Name: Super Absorbent Polymer (SAP)
CAS number: 31212-13-2
Highly absorbent polymers are a new type of functional material with excellent water absorption and retention properties.
We can use it to absorb, retain or block liquids - superabsorbent polymers can absorb hundreds of times their own weight of water and become hydrogels. As an environmentally friendly material, it is completely non-toxic, harmless, and pollution-free.
Sodium polyacrylate, a highly absorbent polymer SAP ,can absorb 100 to 1000 times its mass of water. It is a functional polymer material with super strong water absorption capacity, possessing excellent water absorption and retention properties.
Application: Widely used in industrial and sanitary fields.
For example: cable waterproof powder, ice packs, flood bags, artificial snow, petroleum drilling fluid, sanitary napkins, diapers, etc.
SAP can be used in concrete to improve its compressive strength, curing, and moisture retention. Save manpower, improve concrete fracture strength, surface smoothness, reduce surface friction and ashing, and enhance engineering quality.
1. Application in agriculture and horticulture
Highly absorbent resins used in agriculture and horticulture are also known as water retaining agents and soil amendments. China is a country with severe water shortage in the world, therefore, the application of water retaining agents has become increasingly important. More than ten research institutes in China have developed high water absorbent resin products for application trials on more than 60 plants such as grain, cotton, oil, sugar, tobacco, fruit, vegetables, and forests, with a promotion area of over 70000 hectares. High water absorbent resins have been used for large-scale sand control and afforestation in northwest China, Inner Mongolia, and other areas. The high water absorbent resins used in this area are mainly starch grafted acrylate polymer crosslinks and acrylamide acrylate copolymer crosslinks, where the salt has shifted from sodium type to potassium type. The main methods used include seed mixing, spraying, hole application, or soaking plant roots after mixing with water to form a paste. At the same time, high water absorbent resin can be used to coat and fertilize fertilizers, fully utilizing the utilization rate of fertilizers and preventing waste and pollution. Abroad, high water absorbent resins are also used as packaging materials for fruits, vegetables, and food preservation.
2. Application in medical and hygiene fields
Mainly used as sanitary napkins, baby diapers, napkins, and medical ice packs; A gelatinous daily aromatic material used to regulate the environmental atmosphere. Used as a matrix medical material for ointments, creams, erasers, Babuses, etc., it has moisturizing, thickening, skin wetting, and gelling effects. It can also be made into an intelligent carrier that controls drug release volume, release time, and release space.
3. Application in industry
Using the function of high water absorbing resin to absorb water at high temperatures and release water at low temperatures to produce industrial moisture-proof agents. In oil field production operations, especially in old oil fields, the use of ultra-high molecular weight polyacrylamide aqueous solution for oil displacement is very effective. It can also be used for dehydration of organic solvents, especially for organic solvents with low polarity, and its dehydration effect is very significant. There are also industrial thickeners, water-soluble coatings, etc.
4. Application in architecture
The rapid expansion material used in water conservancy engineering is a pure high water absorbing resin, mainly used for plugging dam holes during flood season, and for plugging water in prefabricated joints of basements, tunnels, and subways; Used for solidifying slurry in urban sewage treatment and dredging projects for excavation and transportation purposes.
5. Application in toys
Water absorbent resin can be used to produce popular "ocean babies" and "artificial snow" in the market.
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