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Polyurea, ppa, polycarbamides buy in Astana
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Polyurea, ppa, polycarbamides

Polyurea, ppa, polycarbamides

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Kazakhstan, Astana
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Polyurea (polycarbamides) — the synthetic polymers containing urea fragments in the main chain - NH-CO-NH-and the urea received by amide interchange by aliphatic diamines or sopolimerizatsiyeydiizotsianat with oligomerny di - or polyamines (therefore the term is not applied in relation to the mochevino-formaldehyde pitches synthesized by polycondensation of urea and formaldehyde). Polyurea is structurally similar to the polyurethane synthesized by copolymerization of diisocyanates with polyols and, like polyurethane, is elastomers.
Polyurea and its versions

The main opening of chemists in the field of industrial coverings were polymeric pitches which do not contain solvents in the structure, have high strength characteristics, the smallest time of drying, high wear resistance and excellent chemical firmness. Such materials are two-component systems which are sprayed on the place of work under a high pressure. Polyurea belongs to such innovative polymers.

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Polyurea, ppa, polycarbamides
Polyurea, ppa, polycarbamides
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