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Title:
POLYMER COMPOSITION AND EASILY UNSEALABLE SEALING MATERIAL PREPARED THEREFROM
Document Type and Number:
Japanese Patent JP3827870
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a sealing material which can be easily unsealed when used for sealing polyethylene, esp. polyethylene-coated paper.
SOLUTION: This sealing material is prepd. by using a polymer compsn. comprising (A) 30-90 wt.% ethylene-unsatd. carboxylic acid copolymer having an unsatd. carboxylic acid content of 4-20 wt.% or its ionomer, (B) 5-45 wt.% polymer formed mainly from propylene or 1-butene, and (C) 5-25 wt.% tackifying resin.


Inventors:
三春 憲治
Application Number:
JP1998000344812
Publication Date:
September 27, 2006
Filing Date:
October 29, 1998
Export Citation:
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Assignee:
三井・デュポンポリケミカル株式会社
International Classes:
B32B27/28; C08L23/08; B32B27/32; C08L23/10; C08L23/20; C09J7/00; C09J7/02; C09J123/08; C09J133/02; C09J135/00; (IPC1-7): C08L23/08; B32B27/28; C08L23/10; C08L23/20; C09J7/00; C09J7/02
Domestic Patent References:
JP6157840A
Attorney, Agent or Firm:
中嶋 重光