CN115045042A - Multilayer-structure tiled fiber flocculus and preparation method thereof - Google Patents

Multilayer-structure tiled fiber flocculus and preparation method thereof Download PDF

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Publication number
CN115045042A
CN115045042A CN202210749928.4A CN202210749928A CN115045042A CN 115045042 A CN115045042 A CN 115045042A CN 202210749928 A CN202210749928 A CN 202210749928A CN 115045042 A CN115045042 A CN 115045042A
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China
Prior art keywords
fiber
tiled
cotton
cotton net
layer
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CN202210749928.4A
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Chinese (zh)
Inventor
王岩鹏
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Qingdao Shangya Household Products Co ltd
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Qingdao Shangya Household Products Co ltd
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Priority to CN202210749928.4A priority Critical patent/CN115045042A/en
Publication of CN115045042A publication Critical patent/CN115045042A/en
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    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/54Non-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 by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/559Non-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 by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/54Non-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 by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D04H1/5418Mixed fibres, e.g. at least two chemically different fibres or fibre blends

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Medicinal Preparation (AREA)

Abstract

The invention provides a multilayer structure tiled fiber flocculus and a preparation method thereof, wherein a shaped skin layer tiled cotton net, an unshaped core layer tiled cotton net and an unshaped hot melt adhesive layer tiled cotton net are sequentially produced, wherein the density of the shaped skin layer tiled cotton net is 2-10 times that of the unshaped core layer tiled cotton net; and then feeding the shaped skin layer tiled cotton net, the unshaped core layer tiled cotton net and the unshaped hot melt adhesive layer tiled cotton net into heating equipment for heating and shaping to obtain the multilayer structure tiled fiber flocculus.

Description

Multilayer-structure tiled fiber flocculus and preparation method thereof
Technical Field
The invention relates to the technical field of non-woven materials, in particular to a multi-layer structure tiled fiber flocculus and a preparation method thereof.
Background
The wadding fiber product is a product which takes natural fiber, chemical fiber or processed wadding sheets, felts and the like as fillers and bedding; including living batting fabrics and non-living batting fabrics, wherein the living batting fabrics are commonly used in home textile bedding and apparel; in the products, the flat fiber flocculus is used as a filler and is widely applied to home textile bedding products and clothes; however, the existing flat fiber flocculus on the market has the problems of poor heat insulation, poor filling power, poor water washing resistance and the like.
Therefore, it is necessary to provide a multi-layer laid fiber batt and a method for preparing the same to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a multi-layer structure tiled fibrous flocculus and a preparation method thereof, which are used for solving the problems of poor heat preservation, poor filling power, poor water washing resistance and the like of the tiled fibrous flocculus on the market at present.
The invention provides a preparation method of a multilayer structure tiled fiber flocculus, which comprises the following steps:
sequentially producing a shaped skin layer tiled cotton net, an unshaped core layer tiled cotton net and an unshaped hot melt adhesive layer tiled cotton net, wherein the density of the shaped skin layer tiled cotton net is 2-10 times that of the unshaped core layer tiled cotton net;
and sending the shaped skin layer tiled cotton net, the unshaped core layer tiled cotton net and the unshaped hot melt adhesive layer tiled cotton net into heating equipment for heating and shaping to obtain a multilayer structure tiled fiber flocculus.
Preferably, the production of the shaped skin-lay fleece comprises the following steps:
loosening the fiber raw materials by using an opener, and adding the loosened fiber raw materials into a cotton mixing bin in proportion for cotton mixing;
processing the fiber raw material after cotton mixing by a carding machine to form a cotton net;
and (3) carrying out primary heating setting on the cotton net by using an oven to prepare the set leather layer flat cotton net.
Preferably, the fiber raw material comprises, by mass, 10-40 parts of low-melting-point fibers and 60-90 parts of two-dimensional short fibers.
Preferably, the temperature parameter of the oven for the first heating and setting is 130-.
Preferably, the production of the unfixed core lay-flat fleece comprises the following operating steps:
loosening the fiber raw materials by using an opener, and adding the loosened fiber raw materials into a cotton mixing bin in proportion for cotton mixing;
and processing the fiber raw material after cotton mixing by using a carding machine to form a cotton net, and preparing the unfixed core layer flat cotton net.
Preferably, the mass parts of the fiber raw material for producing the unshaped core-layer flat cotton web comprise 0-10 parts of low-melting-point fibers and 10-100 parts of two-dimensional or three-dimensional short fibers.
Preferably, the production of the laid-flat fleece of the unfixed hot-melt adhesive layer comprises the following operating steps:
loosening the fiber raw materials by using an opener, and adding the loosened fiber raw materials into a cotton mixing bin in proportion for cotton mixing;
and processing the fiber raw material after cotton mixing by using a carding machine to form a cotton net, and preparing the unfixed hot-melt adhesive layer flat cotton net.
Preferably, the mass parts of the fiber raw materials for producing the flat cotton net of the unfixed hot melt adhesive layer comprise 50-100 parts of low-melting-point fibers and 0-50 parts of two-dimensional short fibers.
Preferably, the melting point of the low-melting-point fiber is 100-180 ℃, the titer is 0.55-5.5dtex, and the average length is 32-88 mm; the titer of the two-dimensional staple fiber or the three-dimensional staple fiber is 0.55 to 20.0dtex, and the average length is 32 to 88 mm.
The invention provides a multilayer structure tiled fiber flocculus, which comprises a core layer sandwiched between two skin layers and a hot-melt adhesive layer arranged between the skin layers and the core layer, wherein the thickness of the skin layers and the hot-melt adhesive layer is 0.5-20mm, and the thickness of the core layer is 5-120 mm.
Compared with the related technology, the invention provides a multi-layer structure tiled fiber flocculus and a preparation method thereof, which have the following beneficial effects:
(1) the density of the skin layer tiled cotton net is 2-10 times of that of the core layer tiled cotton net, the skin layer locks the air in the core layer, the heat preservation performance of the multi-layer structure tiled fiber flocculus is improved through the non-flowing air, and the clo value (representing the thermal resistance of clothing of people) is improved compared with that of the tiled fiber flocculus on the market.
(2) The high-density cotton net with the skin layer can prevent the fibers of the core layer from drilling out of the skin layer, so that the effect of preventing the penetration of lint is achieved, and meanwhile, the softness of the flocculus is improved by using the superfine fibers for the skin layer.
(3) According to the invention, the adhesion layer is thermally melted between the skin layer tiled cotton net and the core layer tiled cotton net, and the skin layer tiled cotton net and the core layer tiled cotton net are firmly combined through heating and shaping, so that the washing stability is improved, and the washing shrinkage is reduced.
(4) The core layer tiled cotton net reduces the use proportion of low-melting-point fibers, increases the bulkiness of the core layer tiled cotton net, and improves the bulkiness.
Drawings
FIG. 1 is a schematic representation of the layered structure of a fibrous batt of the present invention;
FIG. 2 is a schematic flow chart of a preparation method of the present invention;
FIG. 3 is a schematic view of the process of the present invention for producing a shaped-skinned, flat-laid web;
FIG. 4 is a schematic view of a process of producing an unfixed hot melt adhesive layer laid web of the present invention;
FIG. 5 is a schematic view of the present invention process for producing an unshaped core lay-flat web;
FIG. 6 is a schematic view of the preparation process of the present invention
Reference numbers in the figures: 1 represents a skin layer; 2 represents a core layer; 3 represents a hot melt adhesive layer; 4 represents a raw material conveying process; 5 represents the cotton mixing and opening process; 6 represents the process of spreading the cotton net; 7 represents a heating and drying process; 8, a multi-layer combination process of the skin layer, the core layer and the hot melt adhesion layer is shown; 9 represents a secondary heating and drying process; 10 represents a fiber batt inspection process; 11 denotes the rolling/slitting process.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
In a specific implementation process, as shown in fig. 2, the method for preparing a multi-layer structure laid fiber batt provided by the invention comprises the following operation steps:
firstly, the shaped skin layer tiled cotton net, the unshaped core layer tiled cotton net and the unshaped hot melt adhesive layer tiled cotton net are sequentially produced, wherein the density of the shaped skin layer tiled cotton net is 2-10 times that of the unshaped core layer tiled cotton net, the skin layer with the density multiple locks the air in the core layer, the heat insulation performance of the multilayer structure tiled fiber flocculus is improved through the stagnant air, and the clo value (thermal resistance representing clothes of people) is improved compared with the tiled fiber flocculus on the market.
Wherein, the production of the shaped skin layer flat cotton net comprises the following operation steps as shown in figure 3:
firstly, loosening fiber raw materials by using an opener, and then adding the loosened fiber raw materials into a cotton mixing bin in proportion for cotton mixing;
then, processing the fiber raw material after cotton mixing by a carding machine to form a cotton net;
finally, carrying out primary heating setting on the cotton net by using an oven to prepare the set leather layer flat cotton net;
the mass parts of the fiber raw materials of the cortex tiled cotton net comprise 10-40 parts of low-melting-point fiber and 60-90 parts of two-dimensional short fiber, the temperature parameter of the oven for first heating and shaping is 130-200 ℃, the rotating speed parameter of the fan is 300-400r/min, and the speed parameter of the net belt is 10-40 m/min;
the cortex tiling cotton net of stereotyping through above-mentioned step production has the cotton net of high density, and the fiber that the high density cotton net can prevent the sandwich layer drills out the cortex, plays the effect of preventing boring the fine hair, and the cortex uses superfine fiber to promote the compliance of flocculus simultaneously.
The production of the unfixed core-laid fleece comprises the following operating steps, as shown in fig. 5:
loosening the fiber raw materials by using an opener, and adding the loosened fiber raw materials into a cotton mixing bin in proportion for cotton mixing;
processing the fiber raw material after cotton mixing by using a carding machine to form a cotton net, and preparing the unfixed core layer flat cotton net;
the mass parts of the fiber raw materials for producing the unshaped core-layer tiled cotton web comprise 0-10 parts of low-melting-point fibers and 10-100 parts of two-dimensional or three-dimensional short fibers;
the unshaped core layer tiled cotton net produced by the steps reduces the use proportion of low-melting-point fibers, increases the bulkiness of the core layer tiled cotton net, and improves the overall bulkiness.
The production of the unfixed hot-melt adhesive layer laid-flat fleece comprises the following operating steps, as shown in fig. 4:
loosening the fiber raw materials by using an opener, and adding the loosened fiber raw materials into a cotton mixing bin in proportion for cotton mixing;
processing the fiber raw material after cotton mixing by a carding machine to form a cotton net, and preparing the unfixed hot-melt adhesive layer flat cotton net;
the mass parts of the fiber raw materials for producing the unfixed hot melt adhesive layer flat cotton net comprise 50-100 parts of low-melting-point fibers and 0-50 parts of two-dimensional short fibers;
the unmolded hot melt adhesive linkage tiling cotton web that produces through above-mentioned step sets up between cortex tiling cotton web and sandwich layer tiling cotton web, firmly combines cortex tiling cotton web and sandwich layer tiling cotton web through heat setting during production, promotes washing stability, has reduced the washing shrinkage.
In the specific implementation process, as shown in fig. 6, the shaped skin layer tiled cotton net, the unfixed core layer tiled cotton net and the unfixed hot melt adhesive layer tiled cotton net produced in the above steps are combined as shown in fig. 1, and are sent into a heating device for heating and shaping, so as to obtain a multi-layer structure tiled fiber batt, wherein the skin layer tiled cotton net is two layers, and the two layers of hot melt adhesive layer tiled cotton nets are attached to the unfixed core layer tiled cotton net.
In addition, the melting point of the low-melting-point fiber in the embodiment is 100-180 ℃, the titer is 0.55-5.5dtex, and the average length is 32-88 mm; the titer of the two-dimensional staple fiber or the three-dimensional staple fiber is 0.55-20.0dtex, and the average length is 32-88 mm.
The invention provides a multilayer structure tiled fiber flocculus, which comprises a core layer sandwiched between two skin layers and a hot-melt adhesive layer arranged between the skin layers and the core layer, wherein the thickness of the skin layers and the hot-melt adhesive layer is 0.5-20mm, and the thickness of the core layer is 5-120 mm; wherein, the density of the skin layer tiled cotton net is 2-10 times of that of the core layer tiled cotton net, the skin layer locks the air in the core layer, the heat insulating property of the multi-layer structure tiled fiber flocculus is improved by the non-flowing air, and the clo value (thermal resistance representing clothing of people) is improved compared with the tiled fiber flocculus on the market; the high-density cotton net of the skin layer can prevent the fibers of the core layer from drilling out of the skin layer, so that the effect of preventing penetration of lint is achieved, and meanwhile, the softness of the flocculus is improved by using the superfine fibers in the skin layer; meanwhile, an adhesion layer is thermally melted between the skin layer tiled cotton net and the core layer tiled cotton net, and the skin layer tiled cotton net and the core layer tiled cotton net are firmly combined through heating and shaping, so that the washing stability is improved, and the washing shrinkage is reduced; in addition, the core layer tiled cotton net reduces the use proportion of low-melting-point fibers, increases the bulkiness of the core layer tiled cotton net, and improves the bulkiness.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A method for preparing a multi-layer structure flat fiber flocculus is characterized by comprising the following steps:
sequentially producing a shaped skin layer tiled cotton net, an unshaped core layer tiled cotton net and an unshaped hot melt adhesive layer tiled cotton net, wherein the density of the shaped skin layer tiled cotton net is 2-10 times that of the unshaped core layer tiled cotton net;
and sending the shaped skin layer tiled cotton net, the unshaped core layer tiled cotton net and the unshaped hot melt adhesive layer tiled cotton net into heating equipment for heating and shaping to obtain a multilayer structure tiled fiber flocculus.
2. The method for preparing a multi-layer structure laid fiber batt as claimed in claim 1, wherein the step of producing the shaped skin laid web comprises the following steps:
loosening the fiber raw materials by using an opener, and adding the loosened fiber raw materials into a cotton mixing bin in proportion for cotton mixing;
processing the fiber raw material after cotton mixing by a carding machine to form a cotton net;
and (3) carrying out primary heating setting on the cotton net by using an oven to prepare the set leather layer flat cotton net.
3. The method for preparing a multi-layer tiled fiber batt according to claim 2, wherein the fiber raw material comprises 10-40 parts by mass of low melting point fiber and 60-90 parts by mass of two-dimensional staple fiber.
4. The method for preparing the tiled fiber batt with the multilayer structure as claimed in claim 2, wherein the temperature parameter of the oven for the first heating and setting is 130-.
5. The method of claim 1, wherein the step of producing the unfixed core lay-flat web comprises the steps of:
loosening the fiber raw materials by using an opener, and adding the loosened fiber raw materials into a cotton mixing bin in proportion for cotton mixing;
and processing the fiber raw material after cotton mixing by using a carding machine to form a cotton net, and preparing the unfixed core layer flat cotton net.
6. The method of claim 5 wherein the fibrous raw material used to produce the unfixed core flat web comprises, by weight, 0 to 10 parts low-melt fiber and 10 to 100 parts two-or three-dimensional staple fiber.
7. The method of claim 1, wherein the step of producing the unfixed hot melt adhesive layer flat web comprises the steps of:
loosening the fiber raw materials by using an opener, and adding the loosened fiber raw materials into a cotton mixing bin in proportion for cotton mixing;
and processing the fiber raw material after cotton mixing by using a carding machine to form a cotton net, and preparing the unfixed hot-melt adhesive layer flat cotton net.
8. The method of claim 7 wherein the mass fraction of fiber material used to produce the unfixed hot melt adhesive layer flat web comprises 50-100 parts low melt fiber and 0-50 parts two-dimensional staple fiber.
9. The method for preparing a flat fiber batt with a multilayer structure according to any one of claims 3, 6 or 8, wherein the melting point of the low-melting-point fiber is 100-180 ℃, the titer is 0.55-5.5dtex, and the average length is 32-88 mm; the titer of the two-dimensional staple fiber or the three-dimensional staple fiber is 0.55-20.0dtex, and the average length is 32-88 mm.
10. A multi-layer laid fiber batt prepared by the process of any of claims 1-9, comprising: the sandwich layer is sandwiched between the two skin layers, and the hot melt adhesive layer is arranged between the skin layers and the sandwich layer, wherein the thickness of the skin layers and the hot melt adhesive layer is 0.5-20mm, and the thickness of the sandwich layer is 5-120 mm.
CN202210749928.4A 2022-06-28 2022-06-28 Multilayer-structure tiled fiber flocculus and preparation method thereof Pending CN115045042A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1519410A (en) * 2003-01-22 2004-08-11 中国人民解放军总后勤部军需装备研究 Composite flake of down feather not chiseling into holes
CN101787619A (en) * 2010-03-05 2010-07-28 浙江三弘集团有限公司 Three-layer sandwiched composite eiderdown flake and manufacturing method thereof
CN102720000A (en) * 2012-05-11 2012-10-10 青岛大学 Processing method for multilayer composite sized down feather flocculus
CN108823803A (en) * 2018-09-03 2018-11-16 上海伊贝纳纺织品有限公司 Industrial fire-retardant insulation flocculus of one kind and preparation method thereof
CN109440297A (en) * 2018-12-29 2019-03-08 苏州爱美纤维科技有限公司 A kind of upright continuous material and preparation method thereof that the continuous net that tiles is combined with vertical type silk floss net
CN110699856A (en) * 2019-11-18 2020-01-17 辽宁瑷玛特新材料科技有限公司 Method for preparing multi-component multi-level heat-insulation cotton core through one-step forming
CN111411447A (en) * 2019-01-04 2020-07-14 北京德威信科技发展有限责任公司 Static down flocculus and method for manufacturing mixed down
CN211471770U (en) * 2019-11-18 2020-09-11 辽宁瑷玛特新材料科技有限公司 Processing system for preparing multi-component multi-level heat-insulation cotton core through one-step forming

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1519410A (en) * 2003-01-22 2004-08-11 中国人民解放军总后勤部军需装备研究 Composite flake of down feather not chiseling into holes
CN101787619A (en) * 2010-03-05 2010-07-28 浙江三弘集团有限公司 Three-layer sandwiched composite eiderdown flake and manufacturing method thereof
CN102720000A (en) * 2012-05-11 2012-10-10 青岛大学 Processing method for multilayer composite sized down feather flocculus
CN108823803A (en) * 2018-09-03 2018-11-16 上海伊贝纳纺织品有限公司 Industrial fire-retardant insulation flocculus of one kind and preparation method thereof
CN109440297A (en) * 2018-12-29 2019-03-08 苏州爱美纤维科技有限公司 A kind of upright continuous material and preparation method thereof that the continuous net that tiles is combined with vertical type silk floss net
CN111411447A (en) * 2019-01-04 2020-07-14 北京德威信科技发展有限责任公司 Static down flocculus and method for manufacturing mixed down
CN110699856A (en) * 2019-11-18 2020-01-17 辽宁瑷玛特新材料科技有限公司 Method for preparing multi-component multi-level heat-insulation cotton core through one-step forming
CN211471770U (en) * 2019-11-18 2020-09-11 辽宁瑷玛特新材料科技有限公司 Processing system for preparing multi-component multi-level heat-insulation cotton core through one-step forming

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Application publication date: 20220913