Title:
DAMPING MEMBER AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO/2008/023852
Kind Code:
A1
Abstract:
Disclosed is a damping member which is excellent in vibration damping property and
durability such as heat resistance, light resistance and hydrolysis resistance. Also
disclosed is a method for producing such a damping member. Specifically disclosed
is a damping member made of a polyurethane resin which is composed of a polyisocyanate
compound and a polycarbonate polyol compound. This damping member may be particularly
used for a speaker edge or a sound absorbing material within an engine cover.
Inventors:
TAKAGI, Masaaki (YUKIGAYA KAGAKU KOGYO KABUSHUKI KAISHA Osaka Branch, No.21-10 Higashinoda, Miyakojima-ku, Osaka-sh, Osaka 24, 5340024, JP)
高木正秋 (〒24 大阪府大阪市都島区東野田１丁目２１番１０号雪ヶ谷化学工業株式会社大阪営業所 Osaka, 5340024, JP)
NAKAMURA, Keisuke (YUKIGAYA KAGAKU KOGYO KABUSHIKI KAISHA TUKUBA FACTORY, No.4663-1 Shimoohota, Inashikish, Ibaraki 24, 3001424, JP)
高木正秋 (〒24 大阪府大阪市都島区東野田１丁目２１番１０号雪ヶ谷化学工業株式会社大阪営業所 Osaka, 5340024, JP)
NAKAMURA, Keisuke (YUKIGAYA KAGAKU KOGYO KABUSHIKI KAISHA TUKUBA FACTORY, No.4663-1 Shimoohota, Inashikish, Ibaraki 24, 3001424, JP)
Application Number:
JP2007/067084
Publication Date:
February 28, 2008
Filing Date:
August 27, 2007
Export Citation:
Assignee:
YUKIGAYA KAGAKU KOGYO KABUSHIKI KAISHA (No.23-22, Ohomorikita 6-choume Ohota-k, Tokyo 15, 1430015, JP)
雪ヶ谷化学工業株式会社 (〒15 東京都大田区大森北６丁目２３番２２号 Tokyo, 1430015, JP)
TAKAGI, Masaaki (YUKIGAYA KAGAKU KOGYO KABUSHUKI KAISHA Osaka Branch, No.21-10 Higashinoda, Miyakojima-ku, Osaka-sh, Osaka 24, 5340024, JP)
高木正秋 (〒24 大阪府大阪市都島区東野田１丁目２１番１０号雪ヶ谷化学工業株式会社大阪営業所 Osaka, 5340024, JP)
雪ヶ谷化学工業株式会社 (〒15 東京都大田区大森北６丁目２３番２２号 Tokyo, 1430015, JP)
TAKAGI, Masaaki (YUKIGAYA KAGAKU KOGYO KABUSHUKI KAISHA Osaka Branch, No.21-10 Higashinoda, Miyakojima-ku, Osaka-sh, Osaka 24, 5340024, JP)
高木正秋 (〒24 大阪府大阪市都島区東野田１丁目２１番１０号雪ヶ谷化学工業株式会社大阪営業所 Osaka, 5340024, JP)
International Classes:
F16F15/02; C08G18/44; F16F15/02; C08G18/00
Attorney, Agent or Firm:
FUJISAWA, Noriaki et al. (Fujisawa International Patent Firm, Kyodo Bldg. 3F No.5-11, Nihonbashihoncho 3-chome, Chuo-k, Tokyo 23, 1030023, JP)