Title:
吸収性衛生製品の製造方法
Document Type and Number:
Japanese Patent JP4313677
Kind Code:
B2
Abstract:
Absorbent hygiene products comprising a core of an absorbent material and a top sheet through which fluid to be absorbed passes for absorption by the absorbent material are disclosed. The top sheet is porous and comprises a sheet having surfaces of a hydrophobic polymeric material modified by a graft copolymerization reaction between those surfaces and a vinyl monomer having a group capable of exhibiting hydrophilic properties. The graft polymerization reaction comprising exposure of the sheet to ultraviolet radiation while impregnated with a solution of the vinyl monomer. The grafted vinyl monomer comprises a substantially uniform coating of the sheet surface and having a mean thickness not more than about 3.0 mum. Methods for producing this absorbent hygiene product are also disclosed.
Inventors:
Gentil Core, Giovanni
Cook, John Anthony
Bekawi, ants
Cook, John Anthony
Bekawi, ants
Application Number:
JP2003554239A
Publication Date:
August 12, 2009
Filing Date:
December 18, 2002
Export Citation:
Assignee:
FREUDENBERG NONWOVENS LP
International Classes:
A61F13/49; A61F13/511; A61F5/44; A61F13/00; A61F13/15; A61F13/472; A61L15/24; A61L15/42; D06M14/28
Domestic Patent References:
| JP8510798A | ||||
| JP7229062A | ||||
| JP2088056A | ||||
| JP2001081667A | ||||
| JP40001928B1 | ||||
| JP2002504962A | ||||
| JP2003514135A | ||||
| JP2002526219A | ||||
| JP2003506492A |
Foreign References:
| WO2001048065A1 | ||||
| US5382703 | ||||
| WO2000001468A1 | ||||
| US5304404 |
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Makoto Onda