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2 221 823

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C2

(51)

IPC

(21) (22)

Application

2002106429/04, 2002-03-11

(24)

Start date

2002-03-11

(22)

Actual filing date

2002-03-11

(45)

Published

2004-01-20

(72)

Inventor

Lirova B.I.Ljutikova E.A.Mel'Nik A.I.Larionov V.A.Pyzh'Janova L.G.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

THE ROLL ROOFING Russian patent published in 2004 - IPC

Abstract RU 2221823 C2

FIELD: construction materials. SUBSTANCE: the invention presents the roll roofing material used in construction industry. The roll roofing material is manufactured from a composition based on the suspension polyvinylchloride, containing a chalk, a mixture of dioctylphthalate and phosphate plasticizer of BAC-S-20 grade. A technical problem is development of composition of the roofing material, that has a combination of improved basic operational characteristics, in particular, its high hardness and low water absorption. EFFECT: the roll roofing material has improved high hardness and low water absorption. 1 cl, 4 ex

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RU 2 221 823 C2

Authors

Lirova B.I.

Ljutikova E.A.

Mel'Nik A.I.

Larionov V.A.

Pyzh'Janova L.G.

Dates

2004-01-20—Published

2002-03-11—Filed

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