CN108611759A - 一种针刺热熔两面过滤布及制造工艺 - Google Patents

一种针刺热熔两面过滤布及制造工艺 Download PDF

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CN108611759A
CN108611759A CN201810443072.1A CN201810443072A CN108611759A CN 108611759 A CN108611759 A CN 108611759A CN 201810443072 A CN201810443072 A CN 201810443072A CN 108611759 A CN108611759 A CN 108611759A
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fiber
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刘红国
洪雪梅
杨建明
王忆红
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Shanghai Rundong Nonwoven Products Co Ltd
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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
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • D04H1/485—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with weld-bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
    • 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
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
    • 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
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/04—Filters

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Filtering Materials (AREA)
  • Multicomponent Fibers (AREA)

Abstract

本发明提供一种针刺热熔两面过滤布及制造工艺。所述针刺热熔两面过滤布，包括上层复合纤维和下层复合纤维，上层复合纤维为85%3D*51普通聚酯纤维和15%2.5D*51低熔点皮芯聚酯纤维复合，定量为100克/m2±；下层复合纤维为95%3D*51普通聚酯纤维和5%2.5D*51低熔点皮芯聚酯纤维复合，定量为260克/m2±；复合后制成300克/平方米，厚度为0.2毫米，透气量为1000l/m.s，一面为光滑面，另一面为毛绒面的双面过滤布；所述低熔点聚酯纤维为皮芯结构，皮层熔点为100‑1300C，芯层熔点为230‑‑2500C。优点是，过滤阻力低，过滤精度高，强度牢靠，寿命长。

Description

一种针刺热熔两面过滤布及制造工艺
技术领域
本发明涉及一种应用于汽车空调滤清器和汽车干燥器的过滤介质，特别是有关于一种针刺热熔两面过滤无纺布。
背景技术
目前汽车空调滤清器的过滤介质，主要采用纸质，存在过滤效率低，阻力大，容易破裂的缺点。
发明内容
为解决现有技术存在的缺点，本发明提供一种针刺热熔两面过滤布及制造工艺。
所述针刺热熔两面过滤布，包括上层复合纤维和下层复合纤维，上层复合纤维为85%3D*51普通聚酯纤维和15%2.5D*51低熔点皮芯聚酯纤维复合，定量为100克/m2 ±；下层复合纤维为95%3D*51普通聚酯纤维和5%2.5D*51低熔点皮芯聚酯纤维复合，定量为260克/m2±；复合后制成300克/平方米，厚度为0.2毫米±0.02毫米，透气量为1000l/m.s，一面为光滑面，另一面为毛绒面的双面过滤布；所述低熔点聚酯纤维为皮芯结构，皮层熔点为100-1300C ，芯层熔点为230--2500C。
所述针刺热熔两面过滤布的制造工艺包括以下步骤:
(1）上层用85%3D*51普通聚酯纤维和15%2.5D*51低熔点皮芯聚酯纤维复合后，进行开松，混合，成网，稍针刺，成卷，定量为100克/m2±;
（2)下层用95%3D*51普通聚酯纤维和5%2.5D*51低熔点皮芯聚酯纤维复合后，进行开松，混合，成网，稍针刺，定量为260克/m2±；
（3)上、下二层纤维网进入二道针刺，针刺频率为500-600刺/min，针刺密度300刺/m2 ；
（4)进入双辊热轧，上辊控制温度为170-1800C，下辊为常温；
（5)冷却，进入成卷系统，构成300克/平方米，厚度为0.2毫米±0.02毫米，透气量为1000l/m.s，一面为光滑面，另一面为毛绒面的双面过滤布。
所述光滑面的厚度占过滤布的总厚度的10-20%,毛绒面的厚度占过滤布的总厚度的90-80%,。
本发明的优点是，过滤阻力低，过滤精度高，强度牢靠，不易破损，寿命长，客户使用时，具有进风面，出风面的调整和控制，产品硬挺，便于折叠，裁剪。
具体实施方式
按照前述的工艺步骤制作，便能制成本发明的产品。
本发明的针刺热熔两面过滤布，是利用纤维之间的缠结力，互拉力，抱合力形成一定的致密度，而这个致密度可以通过针刺频率，针刺道数，热熔纤维的比例，加以控制。本发明的纤维排列是三维杂乱结构，它可以降低物质流动的阻力，提高对杂质的拦截力；同时通过对布正反两面纤维的D数设计，调整低熔点皮芯复合聚酯纤维的比例，针刺频率，热熔速率，两热轧辊温度差，形成正面毛感，反面光滑的双面结构，来提高滤布对微粒的捕捉效率。
下表是产品性能指标
。

Claims (3)

1.一种针刺热熔两面过滤布，包括上层复合纤维和下层复合纤维，其特征在于，上层复合纤维为85%3D*51普通聚酯纤维和15%2.5D*51低熔点皮芯聚酯纤维复合，定量为100克/m2±；下层复合纤维为95%3D*51普通聚酯纤维和5%2.5D*51低熔点皮芯聚酯纤维复合，定量为260克/m2±；复合后制成300克/平方米，厚度为0.2毫米±0.02毫米，透气量为1000l/m.s，一面为光滑面，另一面为毛绒面的双面过滤布；所述低熔点聚酯纤维为皮芯结构，皮层熔点为100-1300C ，芯层熔点为230--2500C。
2.按权利要求1所述的一种针刺热熔两面过滤布的制作工艺，包括下列步骤:
(1）上层用85%3D*51普通聚酯纤维和15%2.5D*51低熔点皮芯聚酯纤维复合后，进行开松，混合，成网，稍针刺，成卷，定量为100克/m2±;
（2)下层用95%3D*51普通聚酯纤维和5%2.5D*51低熔点皮芯聚酯纤维复合后，进行开松，混合，成网，稍针刺，定量为260克/m2±；
（3)上、下二层纤维网进入二道针刺，针刺频率为500-600刺/min，针刺密度300刺/m2 ；
（4)进入双辊热轧，上辊控制温度为170-1800C，下辊为常温；
（5)冷却，进入成卷系统，构成300克/平方米，厚度为0.2毫米±0.02毫米，透气量为1000l/m.s，一面为光滑面，另一面为毛绒面的双面过滤布。
3.按权利要求2所述的一种针刺热熔两面过滤布的制作工艺，其特征在于，所述光滑面的厚度占过滤布的总厚度的10-20%,毛绒面的厚度占过滤布的总厚度的90-80%。
CN201810443072.1A 2018-05-10 2018-05-10 一种针刺热熔两面过滤布及制造工艺 Pending CN108611759A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110453374A (zh) * 2019-07-11 2019-11-15 丹东天皓净化材料有限公司 一种梯级吸附除渣纤维过滤材料加工方法

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WO2016182618A1 (en) * 2015-05-13 2016-11-17 Milliken & Company Non-woven underbody shield
CN106955528A (zh) * 2015-12-21 2017-07-18 泰贺斯聚合物股份有限公司 无纺布滤材和空气滤清器滤芯

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US20130298362A1 (en) * 2003-06-19 2013-11-14 Eastman Chemical Company Water-dispersible and multicomponent fibers from sulfopolyesters
CN201906519U (zh) * 2010-12-31 2011-07-27 秦皇岛新维工业用布有限公司 精细过滤用滤布
CN103120872A (zh) * 2011-11-18 2013-05-29 东丽纤维研究所（中国）有限公司 一种滤芯用滤材及其生产方法和用途
CN103451854A (zh) * 2013-08-14 2013-12-18 福建鑫华股份有限公司 一种非织造针刺胶带基材的制造方法
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CN204745880U (zh) * 2015-06-11 2015-11-11 新疆金鑫瑞环境技术工程有限公司 Pps纤耐高温针刺过滤毡
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110453374A (zh) * 2019-07-11 2019-11-15 丹东天皓净化材料有限公司 一种梯级吸附除渣纤维过滤材料加工方法

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