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IPC

D01F11/14(2006-01-01)

D01F11/16(2006-01-01)

C08J3/28(2006-01-01)

(21) (22)

Application

2011139656/04, 2011-09-30

(24)

Start date

2011-09-30

(22)

Actual filing date

2011-09-30

(45)

Published

2012-11-20

(72)

Inventor

Kudinov Vladimir VladimirovichAbdullin Il'Dar ShaukatovichKrylov Igor' KonstantinovichKorneeva Natal'Ja Vital'EvnaSergeeva Ekaterina Aleksandrovna

(73)

Holder

Uchrezhdenie Rossijskoj Akademii Nauk Institut Metallurgii I Materialovedenija Im. A.A. Bajkova Ran

METHOD OF REDUCING CREEP AND INCREASING MODULUS OF ELASTICITY OF ULTRAHIGH MOLECULAR HIGH-STRENGTH HIGH-MODULUS POLYETHYLENE FIBRES Russian patent published in 2012 - IPC D01F11/14 D01F11/16 C08J3/28

Abstract RU 2467101 C1

FIELD: chemistry.

SUBSTANCE: invention relates to ultrahigh molecular high-strength high-modulus polyethylene fibres (UHMPE fibre) and specifically to improvement of physical and mechanical properties of the fibres: reducing creep and increasing modulus of elasticity. The method involves treatment of the UHMPE fibres with high-frequency capacitive discharge with high-frequency current with frequency of 13.56 MHz, ion energy of 10-100 eV, ion current density of 0.3-0.6 A/m² and pressure of 13-133 Pa. Treatment takes 0.5-3 minutes. The plasma-supporting gas used is a mixture of argon with propane and butane.

EFFECT: considerable reduction in creep of UHMPE fibres by 2,75-fold and up to 25% increase in modulus of elasticity.

5 dwg, 2 ex

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RU 2 467 101 C1

Authors

Kudinov Vladimir Vladimirovich

Abdullin Il'Dar Shaukatovich

Krylov Igor' Konstantinovich

Korneeva Natal'Ja Vital'Evna

Sergeeva Ekaterina Aleksandrovna

Dates

2012-11-20—Published

2011-09-30—Filed