Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SEALANT MATERIAL, COVER TAPE AND PACKAGE FOR CONVEYING ELECTRONIC PARTS
Document Type and Number:
Japanese Patent JP2012188133
Kind Code:
A
Abstract:

To provide a sealant material which is excellent in adhesive force with a carrier tape even in an adhesion condition of a short time required for a carrier tape for conveying electronic parts which contains polycarbonate, is capable of suppressing the deterioration in the adhesive force when performing the aging in high temperature and high humidity and is excellent in peelability (peeling sense) on the peeling.

The sealant material is used for the carrier tape for conveying electronic parts which contains polycarbonate and includes at least an ethylene-(meth)acrylic acid alkyl ester copolymer (A) and a tackiness-imparting agent (B), wherein content ratios of the ethylene-(meth)acrylic acid alkyl ester copolymer (A), the tackiness-imparting agent (B), an ethylene-vinyl acetate copolymer (C) and an ethylene-α-olefin copolymerization elastomer (D) are respectively 25 to 95 pts.mass, 3 to 20 pts.mass, 0 to 70 pts.mass and 0 to 70 pts.mass, with respect to 100 pts.mass of the sum amount of (A) to (D).


Inventors:
AOYAMA MASAKI
MORIMOTO KOJI
Application Number:
JP2011000051967
Publication Date:
October 04, 2012
Filing Date:
March 09, 2011
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
DU PONT MITSUI POLYCHEM CO LTD
International Classes:
B65D85/86; B32B27/00; B65D65/40; B65D73/02; B65D77/20
Domestic Patent References:
JP2001200217A2001-07-24
JP2008024337A2008-02-07
JP2007182236A2007-07-19
Attorney, Agent or Firm:
加藤 和詳
早瀬 貴介
西山 崇



 
Previous Patent: CASE FOR CONDOM

Next Patent: BAG FOR EXTRACTION