IP Library › Granted Patent US 9,434,130
Granted Patent B2
US 9,434,130 · App. 14/004,559 · Granted Sep 6, 2016

Elastic laminate sheet

Inventors: Kioshi Kunihiro (Kanagawa, JP); Shinji Kimura (Kanagawa, JP); Yoshihisa Matsuda (Kanagawa, JP); Naoyuki Toriumi (Kanagawa, JP)
Assignee: 3M Innovative Properties Company
B32B5/022B32B5/142B32B7/14B32B27/12B32B27/302B32B2250/40B32B2262/0253B32B2262/0276B32B2262/12B32B2262/14B32B2307/51B32B2307/54B32B2307/5825B32B2307/718B32B2535/00B32B2555/02Y10T442/659Y10T442/679
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Quick Facts
Patent No.
US 9,434,130
App. No.
14/004,559
Granted
Sep 6, 2016
Kind
B2
Abstract

An elastic laminate sheet with excellent elasticity while maintaining softness and favorable appearance including surface feel and the like, an article containing this elastic laminate sheet, a laminate sheet where a high elasticity laminate portion is the elastic laminate sheet, and an article containing the laminate sheet.

Claims (13)

1. An elastic laminate sheet comprising a laminate body having an elastomer film and a nonwoven material,

wherein a 50% return load of the elastomer film after elongating 100% two times is 0.8 N/25 mm or higher; and

the elastomer film and the nonwoven material are laminated together in the absence of pressure and are uniformly bonded with a bonding strength of 4 N/25 mm or less.

2. The elastic laminate sheet according to claim 1 , wherein nonwoven material is provided on both sides of the elastomer film.

3. The elastic laminate sheet according to claim 1 , wherein a basis weight of the elastomer film is 60 g/m 2 or less.

4. A laminate sheet comprising a laminate body having an elastomer film and a nonwoven material provided on at least one surface of the elastomer film,

wherein the laminate sheet contains a low elasticity laminate portion and a high elasticity laminate portion;

and in the high elasticity laminate portion,

a 50% return load of the elastomer film after elongating 100% two times is 0.8 N/25 mm or higher, and the elastomer film and the nonwoven material are laminated together in the absence of pressure and are uniformly bonded with a bonding strength of 4 N/25 mm or less.

5. The laminate sheet according to claim 4 , wherein nonwoven material is provided on both sides of the elastomer film.

6. The laminate sheet according to claim 4 , wherein a basis weight of the elastomer film is 60 g/m 2 or less.

7. An article comprising the elastic laminate sheet according to claim 1 .

8. An article comprising the laminate sheet according to claim 4 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 11, 2013
From: KUNIHIRO, KIOSHI; KIMURA, SHINJI; MATSUDA, YOSHIHISA; TORIUMI, NAOYUKI
To: 3M INNOVATIVE PROPERTIES COMPANY
Reel/Frame 031184/0892 →
Priority Claims (1)
JP 2011-054225 · Mar 11, 2011 · national
Continuity (1)
Related Publication 20140045401A1 · Feb 13, 2014