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Title:
FILLING COMPOSITION FOR OPTICAL FIBER CABLES
Document Type and Number:
WIPO Patent Application WO/2019/000360
Kind Code:
A1
Abstract:
A filling composition comprises (A) a mineral oil having a kinematic viscosity from 80 cSt to 100 cSt at 40℃; (B) a styrene-ethylene/propylene diblock copolymer; and (C1) a propylene/ethylene copolymer having a weight average molecular weight (Mw) from 5,000 to 200,000 or (C2) an ethylene/propylene copolymer having a weight average molecular weight (Mw) from 5,000 to 200,000. The filling composition is used as a filling composition in a buffer tube.

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Inventors:
SUN GANGWEI (CN)
XU XIANMIN (CN)
ESSEGHIR MOHAMED (US)
GAO PENG (CN)
WU YOUJUN (CN)
YU LINGFENG (CN)
Application Number:
PCT/CN2017/090993
Publication Date:
January 03, 2019
Filing Date:
June 30, 2017
Export Citation:
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Assignee:
DOW GLOBAL TECHNOLOGIES LLC (US)
SUN GANGWEI (CN)
XU XIANMIN (CN)
ESSEGHIR MOHAMED (US)
GAO PENG (CN)
WU YOUJUN (CN)
YU LINGFENG (CN)
International Classes:
C08L91/00; G02B6/44; H01B7/285
Domestic Patent References:
WO2006115849A22006-11-02
Foreign References:
CN1926642A2007-03-07
US6160939A2000-12-12
CN104583380A2015-04-29
CN102827482A2012-12-19
CN1926642A2007-03-07
US6160939A2000-12-12
US5783638A1998-07-21
Other References:
T. WILLIAMSI.M. WARD: "The Construction of a Polyethylene Calibration Curve for Gel Permeation Chromatography Using Polystyrene Fractions,", J. POLYMER SCI. PT. B: POLYMER LETTER, vol. 621, 1968, pages 621 - 624, XP009146510
See also references of EP 3646097A4
Attorney, Agent or Firm:
WU, FENG & ZHANG (CN)
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