COMPOSITE LAMINAR RUBBER-TEXTILE PROTECTIVE MATERIAL BASED ON CHLOROPRENE RUBBER WITH BARRIER LAYER Russian patent published in 2012 - IPC B32B25/16 B32B25/10 B32B27/12 D01F6/90 D01F6/92 B32B27/18 B32B27/26 B32B27/32 C08L11/00 C08J5/04 

Abstract RU 2457953 C1

FIELD: process engineering.

SUBSTANCE: proposed invention may be used for protection against poison-gases and chemicals. Butyl rubber-based three-layer material comprises central reinforcing layer and outer cover layers arranged on its both sides. Said central layer is made up of fabric from polyester high-strength thread with liner density of 9-12 tex, specific breaking load of, at least, 610 mN/tex and number of turns of 180-220 t/m, or high-strength aramide thread with linear density of 6.3-14.3 tex, specific breaking load of 200 cN/tex, and number of turns of 90-130 t/m, or mix thereof. Said thread is two-component combine thread. First rod-shape component represents aramide and/or polyester complex thread or yarn, while second component represents rod shield with number of turns of 600-900 t/m made up of modified fire-resistant viscose thread or yarn with linear density of 10-30 tex. Said fabric represents calico, twill, momie or satin weave with identical thread base and weft characteristics and densities. Two outer cover layers are made from rubber composition based on chloroprene rubber containing magnesium oxide, cure accelerator, that, guianide F, that is 1,3-diphenylduanidine, zinc white and thiuram D, curing agent, that is, technical sulfur, filler, that is, technical carbon, plasticiser, that is, stearic acid and chlorinated paraffin wax, fire retardant, that is, antimony trioxide and chlorinated paraffin wax. Barrier film material is applied on both sides on aforesaid material. Said barrier material consists of five consecutive layers with total thickness of 18-36 mcm or with total thickness of (co) polyolefins 35-70 mcm. Adhesive layers are arranged on both sides of third barrier layer made form (co)polyolefins. Adhesive layers are arranged on both sides of third barrier layer made form copolymer of ethylene with vinyl alcohol and maleic anhydride, or the like.

EFFECT: better protection, higher incombustibility and low surface density.

10 cl, 6 ex

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RU 2 457 953 C1

Authors

Gorelenkov Valentin Konstantinovich

Anan'Ev Vladimir Vladimirovich

Reznichenko Sergej Vladimirovich

Larionov Viktor Fedorovich

Matveev Jurij Alekseevich

Shubina Ol'Ga Vladimirovna

Kornjushin Aleksandr Petrovich

Anshin Vitalij Sergeevich

Zhivulin Gennadij Alekseevich

Dates

2012-08-10Published

2010-11-24Filed