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Title:
NON-WOVEN FABRIC LAMINATE, AND SANITARY SUPPLIES
Document Type and Number:
WIPO Patent Application WO/2015/178423
Kind Code:
A1
Abstract:
 A non-woven fabric laminate in which surface layers (A1) and (A2), where (I) below exceeds 60 mass% and is 98 mass% or less and (II) and (III) below are 2 mass% and over to less than 40 mass%, and an intermediate layer (B), where the value of the total content by percentage of (II) and (III) below is greater than that in the surface layers (A1) and (A2), are laminated, the non-woven fabric laminate having a total weight per area of 45 g/m2 or less and a thermocompression bonding rate of 3-30%. (I) Propylene homopolymer having melting point of 140°C or higher. (II) Random copolymer comprising propylene and C2-20 α-olefin (not including C3). (III) Propylene homopolymer having melting point of less than 120°C and satisfying i-vi below. (i) [mmmm] = 20-60 mol%; (ii) [rrrr]/(1-[mmmm]) ≤ 0.1; (iii) [rmrm] > 2.5 mol%; (iv) [mm] × [rr]/[mr]2 ≤ 2.0; (v) Mw = 10,000-200,000; (vi) Mw/Mn < 4.

Inventors:
YOKOYAMA TETSUYA (JP)
KUNIMOTO NAOSUKE (JP)
SUZUKI KENICHI (JP)
Application Number:
JP2015/064514
Publication Date:
November 26, 2015
Filing Date:
May 20, 2015
Export Citation:
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Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
D04H3/007; A61F13/15; A61F13/49; A61F13/514; B32B5/26; C08L23/12; C08L23/14; D04H3/16
Domestic Patent References:
WO2014042253A12014-03-20
WO2011030893A12011-03-17
WO2012105566A12012-08-09
WO2012070518A12012-05-31
Foreign References:
JP2007321293A2007-12-13
JP2011058157A2011-03-24
Attorney, Agent or Firm:
NAKAJIMA, Jun et al. (JP)
Nakajima 淳 (JP)
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