FLEXIBLE CLOSED CELL POLYURETHANE FOAM - Nippon Barber Co., Ltd.

Title:

FLEXIBLE CLOSED CELL POLYURETHANE FOAM

Document Type and Number:

Japanese Patent JP3343690

Kind Code:

B2

Abstract:

PURPOSE: To provide the low moisture-permeable polyurethane foam product not causing the error action of a magnetic disk-driving device.
CONSTITUTION: The low moisture-permeable flexible closed cell polyurethane foam uses a hydrophobic polyol as the polyol component, has a degree of closed cell of ≥40%, a density of 0.1-0.7g/cm3, and a moisture permeability of ≤3000mg/100hr.

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Inventors:

Tomizawa Hiroyuki
Kouichi Kusakawa

Application Number:

JP28319292A

Publication Date:

November 11, 2002

Filing Date:

October 21, 1992

Export Citation:

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Assignee:

Nippon Barber Co., Ltd.

International Classes:

B65D81/107; C08G18/00; C08G18/08; C08G18/09; C08G18/69; C08J9/02; G11B33/02; C08G101/00; (IPC1-7): C08G18/09; C08G18/69; G11B33/02

Domestic Patent References:

JP6136315A
JP5477697A
JP578440A
JP5616519A
JP55155016A

Attorney, Agent or Firm:

Hiroshi Tanaka (1 outside)

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