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Sodium Salt of Polyaspartic Acid (PASP)

Fa'atomuaga auiliili 

 

Numera CAS 181828-06-8，35608-40-6 mamafa mole: 1000-5000

Fuafuaga mole: C₄H₅LEAI₃M(C₄H₄LEAI₃M)m(C₄H₄LEAI₃M)nC₄H₄LEAI₃M₂         

Fua Fa'atatau:

Meatotino:

PASP o se ituaiga o mea biopolymer, o loʻo i ai molelaʻau le tele o fusi amid, carboxyl ma isi vaega malosi. Amido peptide bond o loʻo i ai gaioiga faʻaola ma maualuga le mautu kemisi, faigata ona pala i le vevela maualuga; vaega carboxyl e mafai ona lavelave ma le tele o ion u'amea i le vai, lea e faia PASP ia maualuga gaioiga fa'a-kemikolo i vaifofo vai; i iunite fa'avae taitasi o PASP, o le okesene ma le nitrogen atoms e mafai ona faigofie ona fausia sootaga hydrogen ma mole vai, e lelei hydrophilicity ma vai solubility. O le fausaga mole faapitoa o PASPfaʻamautinoa o loʻo i ai le malosi faʻasalalau lelei, mea e taofia ai le pala, sili ona lelei le biodegradability ma uiga faʻalelei.

Fa'amatalaga:

Fa'aoga:

E tusa ai ma le mamafa mole mole eseese o le PASP, e mafai ona faʻaaogaina i togafitiga vai, faʻatoʻaga ma vaomatua, faʻaogaina o suauu, vailaʻau ma isi fanua.

I. Vaivai

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, Mataupu₄, BaSO₄,Ca3(PO₄)₂ , ma isi..

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. Faatoaga ma Vaomatua

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. Fa'aaogāga suau'u

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. E lelei le tetee atu i le masima ma le calcium;

IV. Lafoa'i

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. E mafai ona adsorbed i luga o le meaʻai meaʻai, puipuia mouldy, e maua ai le aafiaga sili atu le faamamaina. O se vaega taua o le fufulu ipu mo le faamamaina o luga o le malo;

V. Isi Talosaga

Ona o lona ta'ape lelei i mea fa'aletino ma fa'aola, 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.

afifi ma le teuina:

200L pa'u palasitika, IBC(1000L), tagata e mana'omia. Teuina mo le sefulu masina i totonu o le paolo ma se nofoaga matutu.

Puipuiga o le Saogalemu:

PASP e alkaline, faʻalogo lelei i le puipuiga o tagata faigaluega pe a faʻaogaina, aloese mai le faʻafesoʻotaʻi ma le paʻu, mata, ma isi, fufulu i le tele o vai pe a uma ona faʻafesoʻotaʻi.