JP2014019992A5 - - Google Patents

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Publication number
JP2014019992A5
JP2014019992A5 JP2012162672A JP2012162672A JP2014019992A5 JP 2014019992 A5 JP2014019992 A5 JP 2014019992A5 JP 2012162672 A JP2012162672 A JP 2012162672A JP 2012162672 A JP2012162672 A JP 2012162672A JP 2014019992 A5 JP2014019992 A5 JP 2014019992A5
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JP
Japan
Prior art keywords
nonwoven fabric
short fiber
elongation
polylactic acid
fibers
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Pending
Application number
JP2012162672A
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Japanese (ja)
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JP2014019992A (en
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Priority to JP2012162672A priority Critical patent/JP2014019992A/en
Priority claimed from JP2012162672A external-priority patent/JP2014019992A/en
Publication of JP2014019992A publication Critical patent/JP2014019992A/en
Publication of JP2014019992A5 publication Critical patent/JP2014019992A5/ja
Pending legal-status Critical Current

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Claims (6)

破断伸び率が３００％以上のポリ乳酸短繊維を主体繊維とし、構成繊維同士が三次元的に交絡して一体化してなる不織布であり、該不織布の伸び率が縦方向および横方向ともに２００％以上であることを特徴とする高伸度短繊維不織布。 It is a nonwoven fabric in which polylactic acid short fibers having a breaking elongation of 300% or more are the main fibers, and the constituent fibers are three- dimensionally entangled and integrated. A high elongation short fiber nonwoven fabric characterized by the above. 破断伸び率が３００％以上のポリ乳酸短繊維を構成するポリ乳酸の複屈折率が０．０１５以下であることを特徴とする請求項１記載の高伸度短繊維不織布。   The high elongation short fiber nonwoven fabric according to claim 1, wherein the polylactic acid constituting the polylactic acid short fiber having a breaking elongation of 300% or more has a birefringence of 0.015 or less. 不織布が、破断伸び率が３００％以上のポリ乳酸短繊維のみから構成され、該不織布の伸び率が縦方向および横方向ともに２５０％以上であることを特徴とする請求項１または２記載の高伸度短繊維不織布。   3. The high nonwoven fabric according to claim 1, wherein the nonwoven fabric is composed of only polylactic acid short fibers having a breaking elongation of 300% or more, and the elongation of the nonwoven fabric is 250% or more in both the longitudinal direction and the transverse direction. Stretch short fiber nonwoven fabric. 請求項１〜３のいずれかに記載の高伸度短繊維不織布によって構成される土木用シート。   The sheet | seat for civil engineering comprised with the high elongation short fiber nonwoven fabric in any one of Claims 1-3. 請求項４記載の土木用シートによって構成される防砂シート。   A sandproof sheet constituted by the civil engineering sheet according to claim 4. 請求項１記載の高伸度短繊維不織布の製造方法であって、破断伸び率が３００％以上のポリ乳酸短繊維を主体繊維とするウェブを作成し、構成繊維同士をニードルパンチ処理により三次元的に交絡して一体化することにより不織布を得ることを特徴とする高伸度短繊維不織布の製造方法。  It is a manufacturing method of the high elongation short fiber nonwoven fabric of Claim 1, Comprising: The web which makes a polylactic acid short fiber whose breaking elongation rate is 300% or more as a main fiber is produced, and three-dimensional is carried out by needle punch processing between constituent fibers A method for producing a high-stretch short-fiber non-woven fabric, characterized in that a non-woven fabric is obtained by entanglement and integration.


JP2012162672A 2012-07-23 2012-07-23 Short fiber nonwoven fabric of high elongation Pending JP2014019992A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2012162672A JP2014019992A (en) 2012-07-23 2012-07-23 Short fiber nonwoven fabric of high elongation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012162672A JP2014019992A (en) 2012-07-23 2012-07-23 Short fiber nonwoven fabric of high elongation

Publications (2)

Publication Number Publication Date
JP2014019992A JP2014019992A (en) 2014-02-03
JP2014019992A5 true JP2014019992A5 (en) 2015-09-03

Family

ID=50195225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012162672A Pending JP2014019992A (en) 2012-07-23 2012-07-23 Short fiber nonwoven fabric of high elongation

Country Status (1)

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JP (1) JP2014019992A (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3666059B2 (en) * 1995-07-06 2005-06-29 東洋紡績株式会社 Biodegradable fiber and non-woven fabric using the same
JP2000136479A (en) * 1998-10-27 2000-05-16 Unitika Ltd Nonwoven fabric for molding having biodegradability, its production and article having vessel shape using the same nonwoven fabric
JP2002013060A (en) * 2000-06-26 2002-01-18 Unitika Ltd Nonwoven fabric for sand-protecting sheet and method for producing the same
JP2004036065A (en) * 2002-06-29 2004-02-05 Negoro Sangyo Co High elongation nonwovwn fabric and method for producing the same
JP4406723B2 (en) * 2003-11-21 2010-02-03 岐阜県 Nonwoven fabric and method for producing the same
JP4831971B2 (en) * 2005-01-11 2011-12-07 日本エステル株式会社 Short fiber for nonwoven fabric and short fiber nonwoven fabric
JP4874014B2 (en) * 2006-06-29 2012-02-08 日本エステル株式会社 Polyester staple fiber
JP2009256815A (en) * 2008-04-14 2009-11-05 Asahi Kasei Fibers Corp Anti-static filament nonwoven fabric
JP5387358B2 (en) * 2008-11-28 2014-01-15 東洋紡株式会社 High elongation nonwoven sheet and method for producing the same
JP5486331B2 (en) * 2010-02-02 2014-05-07 旭化成せんい株式会社 Biodegradable non-woven fabric

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