METHOD OF APPLYING INSULATING GASKET ON PIPE JOINT Russian patent published in 2013 - IPC F16L58/02 C09D5/08 C09J7/02 

Abstract RU 2488737 C2

FIELD: chemistry.

SUBSTANCE: method is realised by applying a heat shrink multilayer adhesive tape, having a protective layer made from polyethylene tape, electron-chemically modified and aligned in the common direction by 25-75%, and an adhesive layer made from a tape which is electron-chemically modified with accelerated ions with absorbed dose of 0.1 MGy, made from a composition which contains an ethylene and vinyl acetate copolymer with content of vinyl acetate groups of 10-14%, melt fluidity of 5.0-10.0 g/10 min and breaking strength of 9.8 MPa or an ethylene and vinyl acetate copolymer with content of vinyl acetate groups of 10-15%, melt fluidity of 2.0-6.0 g/10 min and breaking strength of 9.0 MPa, mineral filler, modifier - polyisocyante and sulphur-containing polyhydroquinone disulphide stabiliser in concentration of 0.1-0.3 wt %.

EFFECT: improved adhesion strength of the insulation material.

9 cl, 2 tbl

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RU 2 488 737 C2

Authors

Dzadzamija Ruslan Giglovich

Kolganov Konstantin Anatol'Evich

Rajchuk Feliks Zinov'Evich

Tatarenko Oleg Fedorovich

Dates

2013-07-27Published

2011-03-14Filed