JP6353085B2 - パルプ積繊シート、及びパルプ積繊シートの製造方法 - Google Patents
パルプ積繊シート、及びパルプ積繊シートの製造方法 Download PDFInfo
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- JP6353085B2 JP6353085B2 JP2016572089A JP2016572089A JP6353085B2 JP 6353085 B2 JP6353085 B2 JP 6353085B2 JP 2016572089 A JP2016572089 A JP 2016572089A JP 2016572089 A JP2016572089 A JP 2016572089A JP 6353085 B2 JP6353085 B2 JP 6353085B2
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- pulp
- fiber
- binder
- fiber sheet
- pile
- Prior art date
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Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/24—Moulding or pressing characterised by using continuously acting presses having endless belts or chains moved within the compression zone
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Paper (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Description
粉砕パルプ又は主として粉砕パルプからなる原料繊維を、吸引によりメッシュ体上に積繊させて積繊体を形成する積繊工程と、
得られた前記積繊体を、圧縮・押圧することにより、この積繊体に複数の繊維圧着部を、隣り合う繊維圧着部を跨ぐ粉砕パルプ繊維が存在するように形成する圧着・押圧工程と、
前記繊維圧着部の形成された積繊体の、少なくとも一方の面にバインダーを塗布する、バインダー塗布工程と、
前記バインダー塗布工程の後に前記積繊体を乾燥させて液透過性パルプ積繊層とする乾燥工程と、を有するものとした。
得られた積繊体を、圧縮・押圧することにより、この積繊体に複数の繊維圧着部2aを、隣り合う繊維圧着部2aを跨ぐ粉砕パルプ繊維2bが存在するように形成する圧着・押圧工程と、
前記積繊体の、少なくとも一方の面にバインダーを塗布する、バインダー塗布工程と、
前記バインダー塗布工程の後に前記積繊体を乾燥させて液透過性パルプ積繊層2とする乾燥工程と、を有するものである。
また、第2乾燥工程後にエンボス加工を行うようにしてもよい。
上述したように、第2実施形態においても、抄紙工程を経ることなくパルプ積繊シート101が製造される。なお、下側搬送用メッシュ109および上側搬送用メッシュ113の番手に基づいて、メッシュを跨ぐような平均繊維長になるように粉砕工程を設定するようにしてもよい。
2a 繊維圧着部
2b 粉砕パルプ繊維
5 粉砕パルプ
106 粉砕装置
107 積繊装置
117 エンボス
121 第1塗布装置
124 第1乾燥装置
130 第2塗布装置
133 第2乾燥装置
Claims (20)
- 粉砕パルプ又は主として粉砕パルプからなる原料繊維と、バインダーと、を含有する液透過性パルプ積繊層を有し、圧縮・押圧により形成された複数の繊維圧着部を備えてなり、かつ、隣り合う前記繊維圧着部を跨ぐ粉砕パルプ繊維が存在するように前記繊維圧着部を形成させてなることを特徴とする、パルプ積繊シート。
- 前記バインダーの、前記液透過性パルプ積繊層に対する含有量が、1〜20重量%である、請求項1に記載のパルプ積繊シート。
- 前記バインダーが、カルボキシルメチルセルロースである、請求項1又は請求項2に記載のパルプ積繊シート。
- 前記バインダーが、ポリビニルアルコールである、請求項1又は請求項2に記載のパルプ積繊シート。
- 更に、清浄用液体が含浸され、湿潤状態である、請求項1〜請求項4のいずれか1項に記載のパルプ積繊シート。
- 前記バインダーが、架橋された状態で含有されている、請求項1〜請求項5のいずれか1項に記載のパルプ積繊シート。
- 前記圧縮・押圧部が、エンボス加工により形成されたものである、請求項1〜請求項6のいずれか1項に記載のパルプ積繊シート。
- 粉砕パルプ又は主として粉砕パルプからなる原料繊維を、吸引によりメッシュ体上に積繊させて積繊体を形成する積繊工程と、
得られた前記積繊体を、圧縮・押圧することにより、この積繊体に複数の繊維圧着部を、隣り合う繊維圧着部を跨ぐ粉砕パルプ繊維が存在するように形成する圧着・押圧工程と、
前記繊維圧着部の形成された積繊体の、少なくとも一方の面にバインダーを塗布する、バインダー塗布工程と、
前記バインダー塗布工程の後に前記積繊体を乾燥させて液透過性パルプ積繊層とする乾燥工程と、
を有することを特徴とする、パルプ積繊シートの製造方法。 - 前記バインダー塗布工程が、積繊体の両面にバインダーを塗布する、請求項8に記載のパルプ積繊シートの製造方法。
- 前記圧着・押圧工程が、エンボスロールにより行われる、請求項8又は請求項9に記載のパルプ積繊シートの製造方法。
- 前記エンボスロールによる圧着・押圧工程の前に、更に、平面ロールによる押圧が行われる、請求項10に記載のパルプ積繊シートの製造方法。
- 前記乾燥工程が、電磁波乾燥により行われる、請求項8〜請求項11のいずれか1項に記載のパルプ積繊シートの製造方法。
- バインダーがカルボキシルメチルセルロースである、請求項8〜請求項12のいずれか1項に記載のパルプ積繊シートの製造方法。
- バインダーがポリビニルアルコールである、請求項8〜請求項12のいずれか1項に記載のパルプ積繊シートの製造方法。
- 粉砕した原料繊維を用いて積繊シートを製造する製造方法において、
前記原料繊維に第1方向からバインダーを塗布し、前記第1方向に沿って前記原料繊維を吸着する工程と、
前記原料繊維に前記第1方向と異なる第2方向からバインダーを塗布し、前記第2方向に沿って前記原料繊維を吸着する工程とを含み、
前記第2方向からの前記バインダーの塗布は、前記原料繊維の下面に対する前記バインダーの塗布であり、
前記第2方向に沿って前記原料繊維を吸着する工程は、前記原料繊維の上面の吸着であるパルプ積繊シートの製造方法。 - 前記原料繊維を搬送する搬送工程を含み、
前記搬送工程は、前記原料繊維の上面と接触する接触部材を介して、前記原料繊維の上面を吸着して搬送する請求項15記載のパルプ積繊シートの製造方法。 - 前記第2方向からのバインダーの塗布に先立って、前記第1方向に沿って気体を供給する工程を含む請求項15記載のパルプ積繊シートの製造方法。
- 前記第2方向からのバインダーの塗布の後に、前記第2方向に沿って気体を供給する工程を含む請求項15記載のパルプ積繊シートの製造方法。
- 前記第1方向からのバインダーの塗布に先立って、前記原料繊維を押圧する押圧工程を含む請求項15記載のパルプ積繊シートの製造方法。
- 前記原料繊維の静電気を除去する静電気除去工程を含む請求項15記載のパルプ積繊シートの製造方法。
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US20040192136A1 (en) * | 2003-03-25 | 2004-09-30 | Kimberly-Clark Worldwide, Inc. | Liquid absorbent wiping products made from airlaid webs |
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