RU2010147860A - COMPOSITION LAMINATED RUBBER-TISSUE PROTECTIVE MATERIAL BASED ON BUTADIENE-NITRILE RUBBER WITH A BARRIER LAYER - Google Patents

Abstract

 1. A composite laminated rubber-fabric protective material based on nitrile butadiene rubber with a barrier layer, made of a three-layer and consisting of a middle reinforcing layer, on the two sides of which are the outer coating layers, while the middle reinforcing layer is made in the form of fabric made of high-strength polyester fiber, or high-strength aramid fiber or from a mixture thereof, while a polyester high-strength thread with a linear density of 9-12 tex, with a specific breaking load of at least 610 mN / tex and with a count by a number of turns 180-220 cr. / m., and also use high-strength aramid yarn with a linear density of 6.3-14.3 tex, with a specific breaking load of at least 200 cN / tex and with a number of turns 90-130 cr. / m ., and the threads are used in the form of a two-component combined thread, the first component of which in the form of a core is an aramid and / or polyester complex thread or yarn, and the second component of a two-component combined thread in the form of a core braid with a number of turns of 600-900 cr / m. is a modified fire-resistant viscose yarn or yarn with a linear density of 10-30 tex, while polyamparaphenylene terephthalamide, polyphenylene terephthalamide, copolyparaphenylene terephthalamide or copolype-rafenylenebenzimidazole fiber-resin compositions are used in aramid yarn or yarn rubber containing zinc whitewash and tiuram “D” as a vulcanization accelerator, technical sulfur, a regulator with orosti vulcanization, as a filler - carbon black baa

Claims (10)

1. A composite laminated rubber-fabric protective material based on nitrile butadiene rubber with a barrier layer, made of a three-layer and consisting of a middle reinforcing layer, on the two sides of which are the outer coating layers, while the middle reinforcing layer is made in the form of fabric made of high-strength polyester fiber, or high-strength aramid fiber or from a mixture thereof, while a polyester high-strength thread with a linear density of 9-12 tex, with a specific breaking load of at least 610 mN / tex and with a count by a number of turns 180-220 cr. / m., and also use high-strength aramid yarn with a linear density of 6.3-14.3 tex, with a specific breaking load of at least 200 cN / tex and with a number of turns 90-130 cr. / m ., and the threads are used in the form of a two-component combined thread, the first component of which in the form of a core is an aramid and / or polyester complex thread or yarn, and the second component of a two-component combined thread in the form of a core braid with a number of turns of 600-900 cr / m. is a modified fire-resistant viscose yarn or yarn with a linear density of 10-30 tex, while polyamparaphenylene terephthalamide, polyphenylene terephthalamide, copolyparaphenylene terephthalamide or copolype-rafenylenebenzimidazole fiber-resin compositions are used in aramid yarn or yarn rubber containing zinc whitewash and tiuram “D” as a vulcanization accelerator, technical sulfur, a regulator with Vulcanization spirits, white carbon and technical carbon as a filler, stearic acid as a plasticizer, antimony trioxide, melamine chloroparaffin and melamine cyanurate as a pigment, white titanium as a pigment, characterized in that the outer covering layer of material is rubber nitrile butadiene rubber is selected, additionally containing zinc oxide as a vulcanization rate regulator and polymerized 1,2-dihydro-2,2,4-trimethylquinoline as an antioxidant, in the following ratio Component per 100 parts by weight nitrile butadiene rubber: vulcanization accelerator 1,2-4,1 curing agent 1.2-1.8 vulcanization speed controller 4.2-6.1 filler 23.5-33.7 plasticizer 0.8-1.9 flame retardants 44.4-52.6 pigment 9-10 antioxidant 0.9-1.4, while on the surface of the material from one or two sides of the outer coating layer, an additional barrier film material is deposited, consisting of five layers arranged in series with respect to the surface of the outer coating material, made with a total thickness of 18-36 μm in the following sequence: the first layer of polyolefin, the second from oriented polypropylene copolymer, the third from polyvinyl alcohol, the fourth from oriented polypropylene copolymer and the fifth from polyolefin, and the ratio the thickness of the layers of the barrier layer is chosen equal to (0.18-0.22) :( 0.23-0.27): 0.1: (0.23-0.27) :( 0.18-0.22), or made with a total thickness of 35-70 microns in the following sequence: the first layer is a mixture of low density metallocene polyethylene with 30 wt.% linear medium density polyethylene, the second is a mixture of linear low density polyethylene with 30 wt.% high density polyethylene, the third is from a copolymer mixture ethylene with 60 wt.% vinyl alcohol, the fourth from a mixture of linear low density polyethylene with 30 wt.% high density polyethylene and the fifth from a mixture of meta low-density locene polyethylene with 40 wt.% linear low-density polyethylene, and the ratio of the thicknesses of the layers of the barrier layer is chosen equal to (0.18-0.22) :( 0.23-0.27): 0.1: (0.23-0 , 27) :( 0.18-0.22), with adhesive layers made of a copolymer of ethylene with vinyl alcohol and maleic anhydride or from a copolymer of ethylene with vinyl acetate and maleic anhydride from a copolymer placed on two sides of the third layer of the barrier film material ethylene with maleic anhydride. 2. The composite laminated rubber-fabric protective material according to claim 1, characterized in that the barrier layer contains oriented polypropylene as a polyolefin. 3. The composite layered rubber-fabric protective material according to claim 1, characterized in that in the fabric of its middle reinforcing layer, the content of high-strength polyester fiber in their mixture with polyaramide fiber is selected from 20 to 80 wt.%. 4. The composite laminated rubber-fabric protective material according to claim 1, characterized in that the fabric of its middle reinforcing layer is made of plain, twill, satin or satin weave with the same yarn counts on the warp and weft and with the same density values on the fabric on the basis of and on the duck. 5. The composite laminated rubber-fabric protective material according to claim 1, characterized in that the rubber composition of the two outer coating layers contains zinc whitening in the amount of 0.4-1.9 wt. and tiuram "D" in the amount of 0.8-2.2 wt.h. 6. The composite layered rubber-fabric protective material according to claim 1, characterized in that the rubber composition of the two outer coating layers contains white carbon in the amount of 20.6-30.1 wt.h. and technical carbon in the amount of 2.9-3.6 wt.h. 7. The composite layered rubber-fabric protective material according to claim 1, characterized in that the rubber composition of the two outer coating layers contains antimony trioxide in the amount of 6-8 parts by weight, chloroparaffin in the amount of 8-9.6 parts by weight, as flame retardants. and melamine cyanurate in an amount of 30.4-35.0 parts by weight 8. The composite laminated rubber-fabric protective material according to claim 1, characterized in that the adhesive layers of the barrier film material made of ethylene copolymer contain 7-10 mol.% Vinyl alcohol and 12-30 mol.% Maleic anhydride. 9. The composite laminated rubber-fabric protective material according to claim 1, characterized in that the adhesive layers of the barrier film material made of ethylene copolymer contain 18-30 mol.% Vinyl acetate and 7-10 mol.% Maleic anhydride. 10. The composite laminated rubber-fabric protective material according to claim 1, characterized in that the adhesive layers of the barrier film material made of ethylene copolymer contain 7-10 mol% of maleic anhydride.