BLOWING AGENT COMPOSITION - ASAHI GLASS CO LTD

Title:

BLOWING AGENT COMPOSITION

Document Type and Number:

Japanese Patent JPH05301989

Kind Code:

A

Abstract:

PURPOSE:To obtain a blowing agent composition useful for polyurethane foam, etc., not destroying ozone layers, having excellent storage stability, comprising chlorodifluoromethane containing a weakly acidic substance. CONSTITUTION:The objective blowing agent composition comprises chlorodifluoromethane containing preferably 0.05-2wt.% weakly acidic substance such as an organic acid, e.g. formic acid, acetic acid, lactic acid, propionic acid, citric acid or tartaric acid.

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Inventors:

OTOSHI YUKIO
ISHIWATARI HIROSHI
FUKUSHIMA MASATO
OTSUKA IWAHIRO
KAMEMURA ICHIRO

Application Number:

JP13579492A

Publication Date:

November 16, 1993

Filing Date:

April 28, 1992

Export Citation:

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Assignee:

ASAHI GLASS CO LTD

International Classes:

C08J9/14; C08K5/02; C09K3/00; (IPC1-7): C08J9/14; C08J9/14; C08K5/02; C09K3/00

Attorney, Agent or Firm:

Kenji Izumina

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