CN108396466B - Glue-spraying cotton - Google Patents
Glue-spraying cotton Download PDFInfo
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- CN108396466B CN108396466B CN201810244346.4A CN201810244346A CN108396466B CN 108396466 B CN108396466 B CN 108396466B CN 201810244346 A CN201810244346 A CN 201810244346A CN 108396466 B CN108396466 B CN 108396466B
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- fibers
- flocculus
- cotton
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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
- D04H1/58—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
- D04H1/587—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
-
- 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
- D04H1/58—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
- D04H1/64—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
- D04H1/645—Impregnation followed by a solidification process
- D04H1/65—Impregnation followed by a solidification process using mixed or composite fibres
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Nonwoven Fabrics (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention relates to the technical field of glue-spraying cotton, in particular to glue-spraying cotton, which comprises a substrate and a functional body reagent, wherein the substrate adopts a fiber flocculus which takes high-crimp hollow polyester staple fiber as a main body, and the functional body reagent is sprayed on the surface and the inner gap of the flocculus substrate; the functional body reagent comprises the following components in parts by weight: 4-7 parts of sodium alginate, 0.1-0.5 part of calcium chloride, 0.01-0.15 part of surfactant, 15-25 parts of adhesive and 50-65 parts of diluent. The product of the invention has excellent moisture absorption and heat retention and high fluffy characteristic, is prepared by carding, glue spraying and special centrifugal process, and is suitable for clothing, bedding and household articles.
Description
Technical Field
The invention relates to the technical field of glue-spraying cotton, in particular to glue-spraying cotton.
Background
The conventional technology of the spray-bonded cotton is that the fiber raw material is carded into a single-layer thin net, then the single-layer thin net is laid into a flocculus, adhesive is sprayed on two sides of the flocculus, certain pressure is applied during spraying, vacuum suction is applied to the other side of the flocculus, the adhesive is permeated into the interior of the fibrous net, and then drying and curing are carried out, so that the cross-joint points between fibers are bonded together. However, when the process is used for producing the heavy glue-spraying cotton with the thickness of more than 120 g/square meter, the depth of the adhesive emulsion sprayed on the surface layer penetrating into the fiber web layer can not meet the requirement, namely, the fibers and fiber ends floating on the surface of the fiber web layer are bonded by the adhesive, the internal fibers are difficult to be bonded, and the internal fibers of the glue-spraying cotton are easy to dislocate and tear due to no bonding or little bonding, so that great difficulty is caused for subsequent application.
Polyester (PET) fiber is one of the main varieties of the raw material fiber of the spray bonded cotton, has good physical and mechanical properties and chemical stability, but has the defects of poor air permeability, weak water absorption, easy generation of static electricity, heavy wearing feeling and the like when being used as clothing fiber.
Patent CN200610025574X discloses a moisture-absorption dyeable superfine terylene and a preparation method thereof, which introduces hydrophilic groups into PET macromolecules through the polycondensation reaction of ethylene terephthalate and sodium ethylene isophthalate-5 sulfonate to improve the hydrophilicity of fibers. However, the thermal conductivity of the fiber is increased, and the heat retention of the fiber is reduced.
Disclosure of Invention
The invention aims to overcome the defects and provide the collodion cotton.
In order to achieve the purpose, the technical solution of the invention is as follows: the glue-sprayed cotton comprises a substrate and a functional body reagent, wherein the substrate adopts a fiber flocculus which takes high-crimp hollow polyester staple fiber as a main body, and the functional body reagent is sprayed on the surface and in an internal gap of the flocculus substrate; the functional body reagent comprises the following components in parts by weight: 4-7 parts of sodium alginate, 0.1-0.5 part of calcium chloride, 0.01-0.15 part of surfactant, 15-25 parts of adhesive and 50-65 parts of diluent;
the preparation method comprises the following steps:
1) uniformly spraying the diluted oil agent into the raw material fiber in a foggy point shape, and accumulating for 24-48 h, wherein the attachment amount of the oil agent is 0.3-0.5%;
2) weighing the processed raw material fibers of each component according to the mixing ratio, and respectively and independently performing coarse opening and impurity removal through a pre-opener;
3) the pre-opened raw material fibers of each component are sent into a multi-bin cotton mixer by a cotton conveying fan to be mixed, and then are further refined by a main opener;
4) the cotton feeder feeds the finely opened mixed fibers into a doffer carding machine quantitatively and uniformly, and the finely opened mixed fibers are subjected to carding, impurity removal and mixing and are mixed into a net in a disordered manner to form a uniform thin net with a certain specification and surface density;
5) the manufactured thin net is sent into a lapping machine by a conveying curtain, the single-layer thin net is lapped into flocculus with required width and thickness, after a functional body reagent is sprayed on one side of the flocculus, the flocculus is centrifuged and dried, on the basis, sodium alginate emulsion is injected into fiber gaps, air is enabled to flow into the sodium alginate emulsion through a centrifugation process to generate a blowing effect, and after drying and shaping, vesicle air chambers are formed among the fiber gaps, so that the air retention effect is enhanced, and the heat retention property of the flocculus is improved; and finally, after the calendaring procedure, trimming, cutting and coiling are carried out.
Preferably, the weight of the functional agent in the spray cotton is 10-25% of the total weight of the spray cotton.
Preferably, the mass ratio of the high-crimp hollow polyester staple fibers to the negative ion fibers to the kapok fibers is 9:1: 0.5.
Preferably, the diluent is distilled water, and the binder is polyacrylate or polyvinyl acetate.
According to the invention, sodium alginate emulsion serving as a functional body reagent is injected into the surface and the inner gap of the fiber flocculus, so that the flocculus is endowed with moisture absorption and air permeability, and the thermal conductivity of the fiber is not influenced; meanwhile, in the preparation method, the adhesive is fully permeated into the flocculus by utilizing centrifugal force, so that the intersection points among the internal fibers are bonded, and the produced fiber flocculus has porosity and high bulkiness, is not easy to dislocate and tear, can be used for producing light and thin sprayed collodion cotton, and is also suitable for producing thick and heavy sprayed collodion cotton.
The invention relates to a novel functional composite material, which selects the glue-spraying cotton with loose structure and larger internal gap as a substrate, the diameter of the glue-spraying cotton fiber is micron-sized, the glue-spraying cotton fiber is arranged disorderly and disorderly, has different directions and is in a mutually bent and wound shape, the fiber layer has certain air-clamping heat preservation effect, however, the fluffy structure has larger and open gap, the convection heat dissipation is accelerated, the heat preservation effect is difficult to achieve expectation, based on the structure, the sodium alginate emulsion is injected into the fiber gap, the air is enabled to flow into the sodium alginate emulsion through the centrifugal process to generate the blowing effect, after drying and shaping, a vesicle air chamber is formed between the fiber gap, the air retention effect is enhanced, and the heat preservation performance of the flocculus is greatly improved.
Detailed Description
The invention is further illustrated below with reference to specific examples, which are intended to be illustrative only and not to limit the scope of the invention.
Example 1
The preparation method of the spray bonded cotton is characterized by comprising the following steps:
1) uniformly spraying the diluted JX-99 polyester staple fiber oiling agent into three-dimensional curled hollow polyester staple fibers in a foggy-point shape, and accumulating for 24-48 h, wherein the adhesion amount of the oiling agent is 0.3-0.5%; the anion fiber and the kapok fiber are coated with quaternary ammonium salt oil solution by a spraying method.
2) Weighing the processed three-dimensional curled hollow polyester staple fibers, the processed negative ion fibers and the processed kapok fibers according to a mixing ratio, and respectively and independently performing coarse opening and impurity removal through a pre-opener; wherein the mass ratio of the high-crimp hollow polyester staple fibers to the negative ion fibers to the kapok fibers is 9:1: 0.5;
3) the pre-opened three-dimensional curled hollow polyester staple fibers, the anion fibers and the kapok fibers are sent into a multi-bin cotton mixer by a cotton conveying fan to be mixed, and then are further refined by a main opener;
4) and the cotton feeder feeds the finely opened mixed fibers into a doffer carding machine quantitatively and uniformly, and the finely opened mixed fibers are subjected to carding, impurity removal and mixing and are randomly formed into a uniform thin net with a certain specification and surface density, wherein the single-layer thickness is 1-3 mm.
5) The prepared thin net is conveyed into a lapping machine by a conveying curtain to lap a single-layer thin net into 8-15 layers of flocculus with the weight of 150 g/square meter, and a functional body reagent formed by mechanically mixing 4 parts of sodium alginate, 0.1 part of calcium chloride, 0.01 part of surfactant, 15 parts of polyacrylate and 50 parts of water is sprayed on one side of the flocculus;
6) fixing the flocculus on the inner wall of the roller, performing setting and centrifuging processes, adjusting the rotating speed of the roller to be 100-type sand-adding at 150r/min for 10 minutes, adjusting the rotating speed of the roller to be 350-type sand-adding at 400r/min for 3 minutes, then sending the flocculus into drying equipment for drying, and finally performing edge cutting, cutting and reeling after the calendaring process.
Wherein, the weight of the functional body reagent in the collodion cotton accounts for 10 percent of the total weight of the collodion cotton.
In addition, in order to simplify the equipment and improve the space utilization efficiency, the centrifugation and drying processes can be carried out in the same equipment, and the rotating speed and the temperature can be properly adjusted in order to achieve the same product quality.
Example 2
The preparation method of the spray bonded cotton is characterized by comprising the following steps:
1) uniformly spraying the diluted JX-99 polyester staple fiber oiling agent into three-dimensional curled hollow polyester staple fibers in a foggy-point shape, and accumulating for 24-48 h, wherein the adhesion amount of the oiling agent is 0.3-0.5%; the anion fiber and the kapok fiber are coated with quaternary ammonium salt oil solution by a spraying method.
2) Weighing the processed three-dimensional curled hollow polyester staple fibers, the processed negative ion fibers and the processed kapok fibers according to a mixing ratio, and respectively and independently performing coarse opening and impurity removal through a pre-opener; wherein the mass ratio of the high-crimp hollow polyester staple fibers to the negative ion fibers to the kapok fibers is 9:1: 0.5;
3) the pre-opened three-dimensional curled hollow polyester staple fibers, the anion fibers and the kapok fibers are sent into a multi-bin cotton mixer by a cotton conveying fan to be mixed, and then are further refined by a main opener;
4) and the cotton feeder feeds the finely opened mixed fibers into a doffer carding machine quantitatively and uniformly, and the finely opened mixed fibers are subjected to carding, impurity removal and mixing and are randomly formed into a uniform thin net with a certain specification and surface density, wherein the single-layer thickness is 1-3 mm.
5) The prepared thin net is sent into a lapping machine by a conveying curtain to lap a single-layer thin net into 8-15 layers of flocculus with the weight of 150 g/square meter, and a functional reagent formed by mechanically mixing 5 parts of sodium alginate, 0.3 part of calcium chloride, 0.08 part of surfactant, 20 parts of polyvinyl acetate and 58 parts of distilled water is sprayed on one side of the flocculus;
6) fixing the flocculus on the inner wall of the roller, performing setting and centrifuging processes, adjusting the rotating speed of the roller to be 100-type sand-adding at 150r/min for 10 minutes, adjusting the rotating speed of the roller to be 350-type sand-adding at 400r/min for 3 minutes, then sending the flocculus into drying equipment for drying, and finally performing edge cutting, cutting and reeling after the calendaring process.
Wherein, the weight of the functional body reagent in the collodion cotton accounts for 15 percent of the total weight of the collodion cotton.
Example 3
The preparation method of the spray bonded cotton is characterized by comprising the following steps:
1) uniformly spraying the diluted JX-99 polyester staple fiber oiling agent into three-dimensional curled hollow polyester staple fibers in a foggy-point shape, and accumulating for 24-48 h, wherein the adhesion amount of the oiling agent is 0.3-0.5%; the anion fiber and the kapok fiber are coated with quaternary ammonium salt oil solution by a spraying method.
2) Weighing the processed three-dimensional curled hollow polyester staple fibers, the processed negative ion fibers and the processed kapok fibers according to a mixing ratio, and respectively and independently performing coarse opening and impurity removal through a pre-opener; wherein the mass ratio of the high-crimp hollow polyester staple fibers to the negative ion fibers to the kapok fibers is 9:1: 0.5;
3) the pre-opened three-dimensional curled hollow polyester staple fibers, the anion fibers and the kapok fibers are sent into a multi-bin cotton mixer by a cotton conveying fan to be mixed, and then are further refined by a main opener;
4) and the cotton feeder feeds the finely opened mixed fibers into a doffer carding machine quantitatively and uniformly, and the finely opened mixed fibers are subjected to carding, impurity removal and mixing and are randomly formed into a uniform thin net with a certain specification and surface density, wherein the single-layer thickness is 1-3 mm.
5) The prepared thin net is sent into a lapping machine by a conveying curtain to lap a single-layer thin net into 8-15 layers of flocculus with the weight of 150 g/square meter, and a functional reagent prepared by mechanically mixing 7 parts of sodium alginate, 0.5 part of calcium chloride, 0.15 part of surfactant, 25 parts of polyacrylate and 65 parts of distilled water is sprayed on one side of the flocculus;
6) fixing the flocculus on the inner wall of the roller, performing setting and centrifuging processes, adjusting the rotating speed of the roller to be 100-type sand-adding at 150r/min for 10 minutes, adjusting the rotating speed of the roller to be 350-type sand-adding at 400r/min for 3 minutes, then sending the flocculus into drying equipment for drying, and finally performing edge cutting, cutting and reeling after the calendaring process.
Wherein, the weight of the functional body reagent in the collodion cotton accounts for 25 percent of the total weight of the collodion cotton.
Test of warmth retention
The finished product of the spray collodion cotton of the embodiment 1-3 is respectively coated with a cylinder filled with hot water at a certain temperature, the upper part and the lower part of the cylinder are insulated by sponge, and the water temperature is measured once in 30 minutes, 60 parts and 90 minutes respectively. The results show that the warming effect of examples 1-3 is directly proportional to the content of the functional agent.
Claims (4)
1. A glue-spraying cotton comprises a substrate and a functional body reagent, and is characterized in that the substrate adopts a fiber flocculus which takes high-crimp hollow polyester staple fiber as a main body, and the functional body reagent is sprayed on the surface and the inner gap of the flocculus substrate; the functional body reagent comprises the following components in parts by weight: 4-7 parts of sodium alginate, 0.1-0.5 part of calcium chloride, 0.01-0.15 part of surfactant, 15-25 parts of adhesive and 50-65 parts of diluent;
the preparation method comprises the following steps:
1) uniformly spraying the diluted oil agent into the raw material fiber in a foggy point shape, and accumulating for 24-48 h, wherein the attachment amount of the oil agent is 0.3-0.5%;
2) weighing the processed raw material fibers of each component according to the mixing ratio, and respectively and independently performing coarse opening and impurity removal through a pre-opener;
3) the pre-opened raw material fibers of each component are sent into a multi-bin cotton mixer by a cotton conveying fan to be mixed, and then are further refined by a main opener;
4) the cotton feeder feeds the finely opened mixed fibers into a doffer carding machine quantitatively and uniformly, and the finely opened mixed fibers are subjected to carding, impurity removal and mixing and are mixed into a net in a disordered manner to form a uniform thin net with a certain specification and surface density;
5) the manufactured thin net is sent into a lapping machine by a conveying curtain, the single-layer thin net is lapped into flocculus with required width and thickness, after a functional body reagent is sprayed on one side of the flocculus, the flocculus is centrifuged and dried, on the basis, sodium alginate emulsion is injected into fiber gaps, air is enabled to flow into the sodium alginate emulsion through a centrifugation process to generate a blowing effect, and after drying and shaping, vesicle air chambers are formed among the fiber gaps, so that the air retention effect is enhanced, and the heat retention property of the flocculus is improved; and finally, after the calendaring procedure, trimming, cutting and coiling are carried out.
2. The collodion according to claim 1, wherein: the weight of the functional body reagent in the glue-spraying cotton accounts for 10-25% of the total weight of the glue-spraying cotton.
3. The collodion according to claim 1, wherein: the mass ratio of the high-crimp hollow polyester staple fibers to the negative ion fibers to the kapok fibers is 9:1: 0.5.
4. The collodion according to claim 1, wherein: the diluent is distilled water, and the adhesive is polyacrylate or polyvinyl acetate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810244346.4A CN108396466B (en) | 2018-03-23 | 2018-03-23 | Glue-spraying cotton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810244346.4A CN108396466B (en) | 2018-03-23 | 2018-03-23 | Glue-spraying cotton |
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| Publication Number | Publication Date |
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| CN108396466A CN108396466A (en) | 2018-08-14 |
| CN108396466B true CN108396466B (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810244346.4A Active CN108396466B (en) | 2018-03-23 | 2018-03-23 | Glue-spraying cotton |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109825973B (en) * | 2019-03-07 | 2021-06-18 | 福建省晋江市恒丰喷胶棉织造有限公司 | Fluffy heat-insulating glue-sprayed cotton wadding cold-resistant material and preparation method thereof |
| CN112127019A (en) * | 2020-09-24 | 2020-12-25 | 嘉兴自然三禾新材料科技有限公司 | Opening equipment and production process of flaky kapok heat-preservation cotton using same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102899896B (en) * | 2012-10-11 | 2014-11-26 | 紫罗兰家纺科技股份有限公司 | Production process of polyester wadding or non-glue cotton |
| CN103061035B (en) * | 2013-01-07 | 2016-03-30 | 安徽小小神童无纺制品有限公司 | A kind of preparation method of gum sprayed cotton |
| CN104032572B (en) * | 2014-04-23 | 2016-05-11 | 武汉纺织大学 | The hydrophilic modification method of a kind of sodium alginate to polyster fibre |
| CN204999806U (en) * | 2015-08-26 | 2016-01-27 | 广德施可达岩棉制造有限公司 | Rock wool centrifugal separator spouts glued structure |
| CN105816335A (en) * | 2016-04-29 | 2016-08-03 | 诺斯贝尔化妆品股份有限公司 | Mask cloth containing multiple kinds of natural hydrophilic gel |
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