Title:
温度帯特異性感圧接着剤組成物および接着アッセンブリ並びにその使用方法
Document Type and Number:
Japanese Patent JP3549874
Kind Code:
B2
Abstract:
Pressure-sensitive adhesive (PSA) compositions containing a crystalline polymeric additive having an Mw of less than 25,000 and a melting point (Ta) greater than 23 DEG C., preferably 30 DEG to 60 DEG , and PSA composites of a backing, preferably a flexible backing, with such a PSA composition coated thereon. The presence of the additive causes the PSA to lose adhesive strength when heated to Ta. The base resin of the PSA is preferably a polyacrylate or a styrene/butadiene copolymer. The additive, which is preferably present in amount 1 to 35%, e.g. 5 to 30%, is preferably a side chain crystallizable (SCC) polymer.
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Inventors:
Edward E. Schmidt
Tsugita, Ross
Tsugita, Ross
Application Number:
JP2002233161A
Publication Date:
August 04, 2004
Filing Date:
August 09, 2002
Export Citation:
Assignee:
Nitta Corporation
International Classes:
C08F8/00; C08F12/00; C08F212/12; C08F220/10; C08F220/18; C08L29/10; C09J7/00; C09J7/02; C09J9/00; C09J109/06; C09J121/00; C09J133/00; C09J133/04; C09J133/06; C09J151/00; C09J201/00; (IPC1-7): C09J201/00; C09J7/02; C09J9/00; C09J121/00; C09J133/06
Foreign References:
| WO1990013420A1 |
Other References:
遠山三夫,感圧接着剤(粘着剤)-その機能と仕組み-,株式会社高分子刊行会,1991年 2月20日,34
Attorney, Agent or Firm:
Sonoda Yoshitaka
Kobayashi Yoshinori
Kobayashi Yoshinori