FIBROUS MATERIAL BOUND BY USING AQUEOUS BINDER COMPOSITION

WIPO Patent Application WO/2023/243998

A1

The present invention relates to an inorganic fibrous material bound by using an aqueous binder composition, wherein the aqueous binder composition comprises a bio-derived raw material, a coupling agent, and a water repellent, and contains 7.0-9.0 weight% of solids of the aqueous binder composition with respect to a total weight of the bound inorganic fibrous material, wherein an inorganic fibrous material with a density of 48 kg/m3 has a compressibility of 20 % or less for a load of 30 kgf, an inorganic fibrous material with a density of 64 kg/m3 has a compressibility of 10 % or less for a load of 30 kgf, the maximum temperature of a heating furnace does not exceed the final equilibrium temperature by more than 20 ℃ when an inorganic fibrous material is added to and heated in the heating furnace at 750 ℃, and a mass reduction at the end of heating may be 30 % or less.

JEONG YOUNG GI (KR)
SHIN MIN JEONG (KR)
LEE NAM SU (KR)
LIM TAE WOOK (KR)
KIM YANG SOO (KR)
SHIN SU YONG (KR)
PARK JONG YUN (KR)
CHOI SEUNG YEOB (KR)

PCT/KR2023/008150

December 21, 2023

June 13, 2023

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KCC CORP (KR)

C03C25/285; C03C25/25; C03C25/328; C08K5/1545; C08K5/20; C08L29/04; C08L33/14; C08L77/00; C08L101/02; E04B1/76

KR102290676B1	2021-08-19
KR20190133243A	2019-12-02
KR20120050511A	2012-05-18
JPH0832834B2	1996-03-29
CN102995292A	2013-03-27

ISLAM, M. S.: "Industrial Applications of Biopolymers and their Environmental Impact", 1 January 2021, CRC PRESS, ISBN: 978-1-4987-6965-5, article ISLAM, M. S.: "Polyvinyl Alcohol and Polyvinyl Acetate", pages: 135 - 152, XP009551422

CHOI, Hong Geol (KR)

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