PRESSURE-SENSITIVE ADHESIVE FOR REMOVING TINY FOREIGN MATTER

Title:

PRESSURE-SENSITIVE ADHESIVE FOR REMOVING TINY FOREIGN MATTER

Document Type and Number:

Japanese Patent JP2011132534

Kind Code:

A

Abstract:

To provide a pressure-sensitive adhesive for removing tiny foreign matter, comprising a polyurethane composition provided with proper pressure-sensitive adhesiveness and excellent separability.

The pressure-sensitive adhesive for removing the tiny foreign matter, comprising the polyurethane composition is obtained by crosslinking-reacting a polyether polyol having 20-200 mgKOH/g of hydroxyl value, 2.5-4.0 of average functional group number, and 8-20% of EO content, and an aromatic polyisocyanate having 2.0-2.5 of average functional group number.

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Inventors:

TAKEMOTO KAZUO
NISHIMOTO TOSHIYUKI

Application Number:

JP2011048921A

Publication Date:

July 07, 2011

Filing Date:

March 07, 2011

Export Citation:

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Assignee:

TOYO POLYMER KK

International Classes:

C09J175/08; B08B1/00; C08G18/48; H01L21/304

Domestic Patent References:

JP2004075940A	2004-03-11
JPS5010827A	1975-02-04
JP2003210382A	2003-07-29
JP2000166853A	2000-06-20
JP2005290122A	2005-10-20
JP2004075940A	2004-03-11
JPS5010827A	1975-02-04
JP2003210382A	2003-07-29
JP2000166853A	2000-06-20

Attorney, Agent or Firm:

Mitsuo Fukushima
Masayuki Mukai
Takayuki Mayuki

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