CN103437069A - Production method of sea-island type superfine fiber artificial leather base cloth - Google Patents
Production method of sea-island type superfine fiber artificial leather base cloth Download PDFInfo
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- CN103437069A CN103437069A CN201310406654XA CN201310406654A CN103437069A CN 103437069 A CN103437069 A CN 103437069A CN 201310406654X A CN201310406654X A CN 201310406654XA CN 201310406654 A CN201310406654 A CN 201310406654A CN 103437069 A CN103437069 A CN 103437069A
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Abstract
The invention relates to a production method of sea-island type superfine fiber artificial leather base cloth. The production method of sea-island type superfine fiber artificial leather base cloth is realized through the technical scheme as follows: (1) feeding sea-island short fibers to a carding machine to form a carded web, then, lapping through a lapping machine, and finally, puncturing up and down by a puncture machine for many times to form a three-dimensional needle fabric; (2) preparing the sea-island short fibers to pulp, feeding the pulp to a wet process lapper, and netting on the surface of the needle fabric prepared in the step (1) to prepare a needle/wet process composite non-woven fabric; (3) feeding the needle/wet process composite non-woven fabric prepared in the step (2) to spunlace machinery for spunlace composite processing to prepare a spunlace fixed net needle/wet process composite non-woven fabric; and (4) feeding base cloth output from spunlace composition to a dryer to be dried, and then, recoiling the dried base cloth in big coils through recoiling machinery, and slicing and packaging the base cloth in the next step so as to obtain the sea-island type superfine fiber artificial leather base cloth. The sea-island type superfine fiber artificial leather base cloth produced by the method provided by the invention has transverse density fluctuation and small knitting angles, and has a structure close to that of leather.
Description
Technical field
The present invention relates to the nonwoven material field, specifically about a kind of production method of sea-island composite fiber Simulated leather base cloth
Background technology
Corium is that animal hides is processed and obtained through a series of physics and chemistry processing.Because corium has higher-strength, favorable elasticity, higher hydrothermal stability and the good characteristic such as comfortable and easy to wear, favored by numerous consumers, and be widely used in small stores and industrial goods.Continuous growth along with time population, demand to corium grows with each passing day, but, the natural leather resource-constrained, the real leather intimating synthetic leather that exploitation has a premium properties is the focus of research at present as necessity supplementary, and it is exactly the ideal material that substitutes at present corium that the ultrafine fiber simulation skin of rising in recent years closes synthetic leather.
Superfine fibre refers to the fiber that 0.3 dawn of fiber number (5 microns of diameters) is following, claims again superfine Denier fibre.Because it is than traditional fiber finer, thus have more fluffy, soft sense of touch than general fiber, and can overcome the air-locked shortcoming of easy wrinkle, artificial fibre of natural fabric.In addition, it also have warming, not mouldy, without worm stay, many good characteristics that can not be substituted such as light weight, waterproof.Islands-in-sea type fibre also claims fibril-matrix type composite fibre, and it is to be embedded in (matrix) in another polymer by a kind of polymer with superfine forming (fibril) to form.On cross-sectional direction, fibrillar structure is the island state, and continuous phase matrix presents the state gone to sea, like the island formal distribution, therefore claim islands-in-sea type fibre.On fiber is vertical, the polymer of two kinds of components is intensive, dispersed continuously.From whole fiber, it has fineness and the length of conventional fibre.Islands-in-sea type fibre has two kinds of long filament and short fibers.After with islands-in-sea type fibre, making base cloth, by extra large components dissolved, just can obtain superfine fibre.In the superfiber leather base fabric structure, superfine fibre is together three-dimensional cross-linked, plays skeleton and supporting role, forms the structure that is similar to the dermal collagen fiber; The polyurethane that is filled in the fiber surrounding has foaming structure circular, aciculiform, and it is solid netted that integral body is.No matter microstructure therefore internally, or appearance tactile impression and the aspects such as physical characteristic and snugness of fit are all close with corium.
The material that can be used as the leather base cloth mainly contains woven fabric, knitted fabric and nonwoven material.And, in these three kinds of materials, only have nonwoven material to there is the net vertical body structure, can be used for doing Simulated leather base cloth.The technique of producing non-woven leather base cloth mainly contains acupuncture, water thorn and wet method.But needling non-woven is furnished with obvious pin hole, and feel is poor, and fibre damage is serious; Although hydro-entangled non-woven fabric is less to fibre damage, there are the characteristics of softness, good hand touch, the entanglement defective tightness of fiber, density is little; The wet method non-weaving cloth has surface compact, soft, but thinner thickness and brute force a little less than.At present, the industrial actual technique that is used for producing non-woven leather base cloth is mainly needle point method, although the leather base cloth of producing is the network stereochemical structure, but also make a big difference with the structure of corium, be mainly reflected at lateral density and do not change, needling process makes the angle of weave between fiber larger simultaneously.
Summary of the invention
The objective of the invention is to solve above-mentioned the deficiencies in the prior art, a kind of production method of the non-woven leather base cloth more close with dermis that make with sea-island composite fiber is provided.
The present invention adopts following technical proposals to realize, concrete steps are as follows:
(1) processing of needle fabric:
Be the molten polyester/polyamide sea-island staple fiber of alkali that 2.5～6.0dtex, length are 35～60mm by fiber number, enter the carding machine carding, then, through the lapping machine lapping, repeatedly puncturing into up and down thickness finally by needing machine is that 0.4～0.7mm, grammes per square metre are 100～220g/m
2the needle fabric of three-dimensional structure;
(2) the wet method non-weaving cloth is compound:
By fiber number, it is the molten polyester/polyamide sea-island staple fiber of alkali that 2.5～6.0dtex, length are 15～30mm, make slurry, enter wet-web former, the needle fabric surface made in step (1) becomes net, and formation thickness is that 0.1～0.2mm, grammes per square metre are 10～20g/m
2the wet method non-woven layer, make acupuncture/wet method composite non-weaving cloth;
(3) the water thorn is reinforced:
The acupuncture that step (2) is made/wet method composite non-weaving cloth is sent into the spun-laced machine tool and is carried out water thorn Compound Machining.Three road water thorns for water thorn Combined Mining, finally mainly play modification to cloth cover together, and obtaining grammes per square metre is 110～240g/m
2water thorn fixed network acupuncture/wet method composite non-weaving cloth:
(4) drying:
The base cloth that will sting compound output from water is sent into drying machine and is dried, and then with batching machinery, dried base cloth is rolled into to large volume for next procedure, is cut, packs, and obtains the sea-island composite fiber Simulated leather base cloth.
The invention has the beneficial effects as follows:
1. acupuncture and wet processing combine, and can make base cloth produce lateral density and change, and more approach the structure of corium;
2. adopt the water acupuncture manipulation to be reinforced, can the wet method on top layer is non-woven with needle fabric internal layer, be reinforced on the one hand, on the other hand, in water thorn reinforcing process, can also reduce the interfibrous braid angle of internal layer needle fabric, make it more to approach the structure of corium;
3. the sea-island composite fiber Simulated leather base cloth that the inventive method is produced has surface compact, smooth appearance, soft, in same grammes per square metre situation, the synthetic leather stock that the sea-island composite fiber Simulated leather base cloth that the inventive method is produced all provides than prior art at aspects such as fracture strength, tearing strength, bending strengths is good, can be widely used in the production of high-grade clothing, leatherware and shoes and hats etc.There is the obvious market competitiveness.
The specific embodiment
Below in conjunction with embodiment, the present invention is illustrated.
Embodiment 1:
Selecting fiber number is the molten polyester/polyamide sea-island staple fiber of alkali that 2.5dtex, length are 35mm, and making thickness by the nonwoven needled production line is that 0.4mm, grammes per square metre are 100g/m
2needle fabric, technological process is: grab cotton-mixed cotton-shredding-carding-cross lapping-pre-needling-main acupuncture; Selecting fiber number is the molten polyester/polyamide sea-island staple fiber of alkali that 2.5dtex, length are 15mm, makes slurry, enters wet-web former, on the needle fabric surface before made, becomes net, and formation thickness is that 0.1mm, grammes per square metre are 10g/m
2the wet method non-woven layer, make acupuncture/wet method composite non-weaving cloth; The acupuncture that makes/wet method composite non-weaving cloth is sent into to the spun-laced machine tool and carry out water thorn Compound Machining, water thorn Combined Mining stings with three road water, and obtaining grammes per square metre is 110g/m
2water thorn fixed network acupuncture/wet method composite non-weaving cloth; The base cloth that will sting compound output from water is sent into drying machine and is dried, and finally makes the sea-island composite fiber Simulated leather base cloth.
Embodiment 2:
Selecting fiber number is the molten polyester/polyamide sea-island staple fiber of alkali that 4.0dtex, length are 51mm, and making thickness by the nonwoven needled production line is that 0.55mm, grammes per square metre are 150g/m
2needle fabric, technological process is: grab cotton-mixed cotton-shredding-carding-cross lapping-pre-needling-main acupuncture; Selecting fiber number is the molten polyester/polyamide sea-island staple fiber of alkali that 4.0dtex, length are 23mm, makes slurry, enters wet-web former, on the needle fabric surface before made, becomes net, and formation thickness is that 0.1mm, grammes per square metre are 14g/m
2the wet method non-woven layer, make acupuncture/wet method composite non-weaving cloth; The acupuncture that makes/wet method composite non-weaving cloth is sent into to the spun-laced machine tool and carry out water thorn Compound Machining, water thorn Combined Mining stings with three road water, and obtaining grammes per square metre is 164g/m
2water thorn fixed network acupuncture/wet method composite non-weaving cloth; The base cloth that will sting compound output from water is sent into drying machine and is dried, and finally makes the sea-island composite fiber Simulated leather base cloth.
Embodiment 3:
Selecting fiber number is the molten polyester/polyamide sea-island staple fiber of alkali that 3.5dtex, length are 43mm, and making thickness by the nonwoven needled production line is that 0.5mm, grammes per square metre are 130g/m
2needle fabric, technological process is: grab cotton-mixed cotton-shredding-carding-cross lapping-pre-needling-main acupuncture; Selecting fiber number is the molten polyester/polyamide sea-island staple fiber of alkali that 3.5dtex, length are 18mm, makes slurry, enters wet-web former, on the needle fabric surface before made, becomes net, and formation thickness is that 0.12mm, grammes per square metre are 15g/m
2the wet method non-woven layer, make acupuncture/wet method composite non-weaving cloth; The acupuncture that makes/wet method composite non-weaving cloth is sent into to the spun-laced machine tool and carry out water thorn Compound Machining, water thorn Combined Mining stings with three road water, and obtaining grammes per square metre is 145g/m
2water thorn fixed network acupuncture/wet method composite non-weaving cloth; The base cloth that will sting compound output from water is sent into drying machine and is dried, and finally makes the sea-island composite fiber Simulated leather base cloth.
Embodiment 4:
Selecting fiber number is the molten polyester/polyamide sea-island staple fiber of alkali that 6.0dtex, length are 60mm, and making thickness by the nonwoven needled production line is that 0.7mm, grammes per square metre are 220g/m
2needle fabric, technological process is: grab cotton-mixed cotton-shredding-carding-cross lapping pre-needling-main acupuncture; Selecting fiber number is the molten polyester/polyamide sea-island staple fiber of alkali that 6.0dtex, length are 30mm, makes slurry, enters wet-web former, on the needle fabric surface before made, becomes net, and formation thickness is that 0.2mm, grammes per square metre are 20g/m
2the wet method non-woven layer, make acupuncture/wet method composite non-weaving cloth; The acupuncture that makes/wet method composite non-weaving cloth is sent into to the spun-laced machine tool and carry out water thorn Compound Machining, water thorn Combined Mining stings with three road water, and obtaining grammes per square metre is 240g/m
2water thorn fixed network acupuncture/wet method composite non-weaving cloth; The base cloth that will sting compound output from water is sent into drying machine and is dried, and finally makes the sea-island composite fiber Simulated leather base cloth.
Claims (1)
1. the production method of a sea-island composite fiber Simulated leather base cloth, is characterized in that it comprises the following steps:
(1) by fiber number be the molten polyester/polyamide sea-island staple fiber of alkali that 2.5～6.0dtex, length are 35～60mm, enter the carding machine carding, through the lapping machine lapping, repeatedly puncturing into up and down thickness finally by needing machine is that 0.4～0.7mm, grammes per square metre are 100～220g/m again
2the needle fabric of three-dimensional structure;
(2) by fiber number be the molten polyester/polyamide sea-island staple fiber of alkali that 2.5～6.0dtex, length are 15～30mm, make slurry, enter wet-web former, the needle fabric surface made in step (1) becomes net, and formation thickness is that 0.1～0.2mm, grammes per square metre are 10～20g/m
2the wet method non-woven layer, make acupuncture/wet method composite non-weaving cloth;
(3) acupuncture step (2) made/wet method composite non-weaving cloth is sent into the spun-laced machine tool and is carried out water thorn Compound Machining, and obtaining grammes per square metre is 110～240g/m
2water thorn fixed network acupuncture/wet method composite non-weaving cloth;
(4) water thorn fixed network acupuncture step (3) made/wet method composite non-weaving cloth is sent in drying machine and is dried, then dried base cloth is rolled into to the people rolls up and cut, pack for next procedure with batching machinery, obtain the sea-island composite fiber Simulated leather base cloth.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104328602A (en) * | 2014-12-02 | 2015-02-04 | 福建南纺股份有限公司 | Compound sea-island fiber synthetic leather base cloth and preparation method thereof |
| CN104894754A (en) * | 2014-12-31 | 2015-09-09 | 富阳纬业基布有限公司 | A method for preparing superfine fiber composite cloth |
| CN105220364A (en) * | 2015-10-28 | 2016-01-06 | 江苏氟美斯环保节能新材料有限公司 | Dry wet two kinds become net modes to combine the nonwoven material of water thorn consolidation |
| CN106012296A (en) * | 2016-06-20 | 2016-10-12 | 浙江严牌过滤技术股份有限公司 | Composite non-woven filter material and preparation method thereof |
| CN106757780A (en) * | 2017-01-15 | 2017-05-31 | 上海缔荣纺织品有限公司 | A kind of production technology of chrysanthemum valve type superfine fibre spunlace non-woven cloth |
| CN107574677A (en) * | 2016-06-30 | 2018-01-12 | 山东大学 | A kind of preparation method of acupuncture regenerated leather for automotive trim epidermis |
| CN110644253A (en) * | 2019-11-01 | 2020-01-03 | 清远市齐力合成革有限公司 | Microfiber synthetic leather and preparation method thereof |
| CN114734697A (en) * | 2022-03-19 | 2022-07-12 | 晋江市港益纤维制品有限公司 | Manufacturing process of base fabric in gauze |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104328602A (en) * | 2014-12-02 | 2015-02-04 | 福建南纺股份有限公司 | Compound sea-island fiber synthetic leather base cloth and preparation method thereof |
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| CN105220364A (en) * | 2015-10-28 | 2016-01-06 | 江苏氟美斯环保节能新材料有限公司 | Dry wet two kinds become net modes to combine the nonwoven material of water thorn consolidation |
| CN106012296A (en) * | 2016-06-20 | 2016-10-12 | 浙江严牌过滤技术股份有限公司 | Composite non-woven filter material and preparation method thereof |
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| CN107574677A (en) * | 2016-06-30 | 2018-01-12 | 山东大学 | A kind of preparation method of acupuncture regenerated leather for automotive trim epidermis |
| CN106757780A (en) * | 2017-01-15 | 2017-05-31 | 上海缔荣纺织品有限公司 | A kind of production technology of chrysanthemum valve type superfine fibre spunlace non-woven cloth |
| CN110644253A (en) * | 2019-11-01 | 2020-01-03 | 清远市齐力合成革有限公司 | Microfiber synthetic leather and preparation method thereof |
| CN114734697A (en) * | 2022-03-19 | 2022-07-12 | 晋江市港益纤维制品有限公司 | Manufacturing process of base fabric in gauze |
| CN114734697B (en) * | 2022-03-19 | 2023-12-08 | 晋江市港益纤维制品有限公司 | Manufacturing process of gauze middle base fabric |
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Application publication date: 20131211 |