FIELD: chemistry.
SUBSTANCE: invention relates to a polymer composition used as a protective coating, packing, sealing element, centering device. Polymer composition contains a polysulphide oligomer, epoxy resin, 4,4'-methylene-bis-(2-chloroaniline) as a hardener, urethane oligomer, manganese dioxide, N,N-diphenylguanidine, antioxidant, filler in following ratio of components, pts.wt: urethane oligomer – 60–90, polysulphide oligomer – 5–30, 4,4'-methylene-bis-(2-chloroaniline) – 7–35, manganese dioxide – 3–20, epoxy resin – 0.1–30, N,N-diphenylguanidine – 0.05–1, antioxidant – 0.05–5, filler – 70–120.
EFFECT: composition possesses high physical and mechanical properties, wear resistance, chemical, thermal resistance, high adhesion to substrate, is easy to process and is cheap.
6 cl, 1 dwg, 1 tbl, 2 ex
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