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Natrijeva sol poliasparaginske kiseline (PASP)

Detaljan uvod 

 

CAS br. 181828-06-8，35608-40-6 Molekulska težina: 1000-5000

Molekulska formula: C₄H₅NE₃M(C₄H₄NE₃M)m(C₄H₄NE₃M)nC₄H₄NE₃M₂         

Strukturna formula:

Svojstva:

PASP je vrsta biopolimernih materijala, čije molekule sadrže obilje amido veza, karboksilnih i drugih aktivnih skupina. Amido peptidna veza ima biološku aktivnost i visoku kemijsku stabilnost, teško se razgrađuje na visokoj temperaturi; karboksilna skupina može biti kompleksna s mnogo metalnih iona u vodi, koji čine PASP imaju visoku kemijsku aktivnost u vodenoj otopini; u svakoj strukturnoj jedinici PASP, atomi kisika i dušika mogu lako formirati vodikove veze s molekulama vode, ima dobru hidrofilnost i topljivost u vodi. Posebna molekularna struktura PASPosigurava dobru sposobnost raspršivanja, svojstva inhibicije korozije, izvrsnu biorazgradljivost i ekološki prihvatljiva svojstva.

Specifikacija:

Upotreba:

Prema različitim molekulskim težinama PASP-a, može se koristiti u obradi vode, poljoprivredi i šumarstvu, eksploataciji nafte, deterdžentima i drugim poljima.

I. Obrada vode

1. PASP has characteristic of polyanion surfactant, which can be chelated with magnesium, copper, iron, cobalt and other polyvalent metal ions after hydrolysis. It has excellent scale inhibition and dispersion properties. As scale and corrosion inhibitor, PASP is widely used in industrial circulating water, boiler water, reverse osmosis water, oil recycled water, desalination water treatment, especially for water treatment systems of high hardness, high alkalinity, high pH and high concentration.

2. PASP has good scale inhibition on CaCO₃, Slučaj₄, BaSO₄,Ca3(PO₄)₂ , itd..

3. PASP is an alternative of phosphor-containing Water Treatment Chemicals and has better scale inhibition effects. PASP can avoid eutrophication and second pollution in water system.

II. Poljoprivreda i šumarstvo

1. PASP can be used as fertilizer synergist in agriculture. Adding it into urea can improve fertilizer efficiency by 20-40% and reduce the fertilizer dosage;

2. Adding PASP in the production process for fertilizer can increase fertilizer granulation level, increase the number of standard particles to 97%, thereby enhancing the rate of finished products and reduce loss;

3. PASP can improve the nutrient absorption of grain, vegetable, melon and fruit, and flowers, promote root growth, increase crop yields, enhance plants and its stress resistance;

4. PASP can be used with phosphorodithioate and other pesticides to enhance pesticide effect, crop yields and improve crop quality;

5. PASP can form complex with heavy metals in the soil, displace heavy metals from the soil, in order to achieve the purpose of restoration of soil pollution.

III. Eksploatacija nafte

1. PASP can form chelation with calcium, magnesium, copper, iron and other metal ions to attach to the metal surface of the container to prevent metal corrosion. It is an excellent corrosion inhibitor, especially for preventing oil pipeline corrosion caused by carbon dioxide;

2. PASP with molecular weight around 10000 can reduce fluid viscosity. In bentonite mud, when the dosage of PASP is 0.4%, the viscosity reduction rate can be over 70%;

3. Ima dobru otpornost na sol i kalcij;

IV. Deterdženti

1. PASP has characteristics of anionic surfactant and good chelation, dispersion properties. It can soften water, dispersing, anti-fouling, and prevent re-contamination of the greasy dirty off the clothes during the washing process;

2. Može se apsorbirati na površinu posuđa, spriječiti stvaranje plijesni, što rezultira boljim učinkom čišćenja. Važna je komponenta deterdženta za pranje posuđa za čišćenje tvrdih površina;

V. Ostale primjene

Zbog svoje dobre disperzije na anorganske i organske spojeve, PASP has been applied with different degree in pharmaceuticals, pigments, paints, leather, inorganic chemicals, oilfield chemicals and other fields.PASP is called "third-generation polyurea", it can be used to produce protective coatings of high weather resistance, high resistance to chemical corrosion, fast-curing paint, and applied directly to fast curing coatings on the metal substrate and industrial flooring, etc., ; it can be used in the tanning process as tanning agents, produces biodegradable leather; pharmaceutical carrier material made from PASPhas been widely used in family planning, anti-tumor drugs making etc.

Pakiranje i skladištenje:

Plastična bačva od 200L, IBC (1000L), zahtjev kupaca. Čuvati deset mjeseci u sjenovitom prostoru i na suhom mjestu.

Sigurnosna zaštita:

PASP je alkalni, pazite na zaštitu na radu tijekom rada, izbjegavajte kontakt s kožom, očima itd., nakon kontakta isperite s puno vode.