METHOD OF DUST SUPPRESSION DISPOSAL

WIPO Patent Application WO/2007/000812

A1

A method of dust suppression disposal for dust generating material, and relevant dust suppression disposal matter from dust generating material, in which the possibility of environmental problems while exhibiting a high dust suppression efficacy equivalent to those of conventional methods can be lowered by the use of a dust suppression disposal agent composition comprised of a water-base dispersion of PTFE ensuring a low possibility of environmental problems. There are provided a method of dust suppression disposal for dust generating material, and relevant dust suppression disposal matter from dust generating material, wherein a dust suppression disposal agent composition comprising a water-base dispersion of polytetrafluoroethylene in which a fluoroemulsifier is contained at a content of ≤ 50 ppm is mixed with a dust generating material and thereafter compression-shear action is applied at about 20˚ to 200˚C to the mixture so that the polytetrafluoroethylene is fibrillated to thereby suppress dusting of the dust generating material.

MIZUNO YOSHITOMO (JP)
URANO TERUO (JP)
KONABE KAZUO (JP)
KAWAZOE MITSUYOSHI (JP)

PCT/JP2005/011902

January 04, 2007

June 29, 2005

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NIPPO CORP (JP)
MURAKASHI LIME IND (JP)
DUPONT FLUOROCHEMICALS CO LTD (JP)
MIZUNO YOSHITOMO (JP)
URANO TERUO (JP)
KONABE KAZUO (JP)
KAWAZOE MITSUYOSHI (JP)

C09K3/22

JPH0820767A	1996-01-23
JP2005501956A	2005-01-20
JP2002532583A	2002-10-02

See also references of EP 1914287A4
None

NAKAJIMA, Shigemitsu (Kanda Mitoshiro-Cho Chiyoda-K, Tokyo 53, JP)

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