ROLL ROOFING MATERIAL (VERSIONS) Russian patent published in 2000 - IPC

Abstract RU 2158807 C2

FIELD: manufacture of building materials. SUBSTANCE: material contains successively disposed layers: copper layer 0.0035-0.1 mm thick, polymer layer (0.01-0.5 mm), and mineral cloth backing impregnated with polymer composition (0.085- 1.25 mm). Polymer composition contains, wt %: chlorosulfurized polyethylene 37-65, bitumen 25-62, di-2-ethylhexyl phosphoric acid triethanolammonium salt 1-6, ionol 0.01-0.2, and mineral filler 0-5. According to another version, roll roofing material contains aluminum layer (0.05-0.2 mm) as metal layer. EFFECT: achieved manufacture of flexible material characterized by solar radiation resistance, reduced water and gas permeability, high strength, heat stability, and incapability of propagating flame in case of fire. 2 cl, 1 dwg

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RU 2 158 807 C2

Authors

Levichev A.N.

Dates

2000-11-10Published

1997-11-28Filed