Title:
難燃性シール材の製造方法
Document Type and Number:
Japanese Patent JP4544853
Kind Code:
B2
Abstract:
This invention is to provide a flame-retardant sealing material which has such an excellent flame-retardancy and sealing property, is used under a severe environment such as a high-temperature atmosphere, and is suitably applicable to high heat-buildup electronic components and precision devices. The flame-retardant sealing material 10 has an elastic sheet 12 obtained by forming a mixture which comprises a primary material composed of the polyol, the isocyanate, an auxiliary material including a foam stabilizer and a metal hydroxide 16, and a gas for foaming. 25-50 pts.wt. of a metal hydroxide 16 is mixed with 100 pts.wt. of the polyol, and a material reactive with the isocyanate, as the diluting solvent. Further, the sealing material has the flame retardancy attaining the HBF standard prescribed by UL 94 and exhibits 25% compression load less than 0.03 MPa.
Inventors:
Masashi Sato
Application Number:
JP2003413831A
Publication Date:
September 15, 2010
Filing Date:
December 11, 2003
Export Citation:
Assignee:
Inoac Corporation
Rogers Inoac Co., Ltd.
Rogers Inoac Co., Ltd.
International Classes:
C08J9/12; C09K3/10; C08G18/82; C08J3/02; C08J5/18; C08L75/04
Domestic Patent References:
| JP11291375A | ||||
| JP60139445A | ||||
| JP52016157B1 | ||||
| JP9249728A |
Attorney, Agent or Firm:
Kiiku Yamamoto