向上した加水分解安定性を示すポリウレタンエラストマー

Title:

向上した加水分解安定性を示すポリウレタンエラストマー

Document Type and Number:

Japanese Patent JP4052944

Kind Code:

B2

Abstract:

A solid and/or cellular polyurethane elastomers which are produced using polyester polyols are disclosed. The elastomers which exhibit improved stability to hydrolysis are characterized in that their preparation is carried out in the presence of at least one esters of monobasic carboxylic acid or polybasic carboxylic acids, the (first) dissociation constant (pK) of which is 0.5 to 4.

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Inventors:

Klaus Lorenz
Marc Schutze
Erhard Michels
Alexander Eckhart

Application Number:

JP2002552065A

Publication Date:

February 27, 2008

Filing Date:

December 07, 2001

Export Citation:

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Assignee:

Bayer Aktiengesellschaft

International Classes:

C08G18/00; C08G18/42; A43B13/04; C08G18/08; C08G18/10; C08G18/18; C08G18/72; C08K5/10; C08L75/04; F16C13/00

Domestic Patent References:

JP11315154A

Foreign References:

EP1059328A1

Attorney, Agent or Firm:

Aoyama Aoi
Yasuo Shibata
Kenichi Morizumi
Shigehisa Takayama

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