Title:
熱絶縁製品およびその製造方法
Document Type and Number:
Japanese Patent JP5306567
Kind Code:
B2
Abstract:
Insulating product based on mineral wool sized with a binder based on a phenol-formaldehyde resin, in which the binder comprises, as a mixture: 60 to 90 parts by weight of a phenol-formaldehyde resol having a free formaldehyde content of less than or equal to 25% by weight with respect to the dry weight of resin and a free phenol content of less than or equal to 2.5% by weight with respect to the dry weight of resin, obtained by condensation in basic medium of phenol (P) and formaldehyde (F) in an F/P molar ratio of around 2.5 to 4 until the condensation product neutralized by sulphuric acid has a water dilutability of greater than 500% and less than or equal to 1500%; 10 to 40 parts by weight of urea. Use of such a sizing composition for manufacturing insulating products, while reducing the emissions of ammonia gas on the manufacturing line.
Inventors:
Espire, Philip
Mai Wu, Bruno
Mai Wu, Bruno
Application Number:
JP2002510401A
Publication Date:
October 02, 2013
Filing Date:
June 13, 2001
Export Citation:
Assignee:
Saint-Gobain Isobert
International Classes:
D06M11/66; C03C25/10; F16L59/04; C03C25/34; C09J161/10; D06M11/00; D06M13/432; D06M15/41; G10K11/162
Domestic Patent References:
| JP4234452A | ||||
| JP11333813A | ||||
| JP6136237A | ||||
| JP11500497A |
Attorney, Agent or Firm:
Kurata Masatoshi
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu