CN103233324B - A kind of low cost Collagenous fiber bonded leather leather and manufacture method thereof - Google Patents
A kind of low cost Collagenous fiber bonded leather leather and manufacture method thereof Download PDFInfo
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- CN103233324B CN103233324B CN201310119225.4A CN201310119225A CN103233324B CN 103233324 B CN103233324 B CN 103233324B CN 201310119225 A CN201310119225 A CN 201310119225A CN 103233324 B CN103233324 B CN 103233324B
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Abstract
The present invention relates to a kind of low cost Collagenous fiber bonded leather leather, its Web materials composition and percentage by weight thereof are: collagenous fibres 85 ~ 99%, viscose rayon 1 ~ 15%; Preferably the length of collagenous fibres is more than 1cm is, the length of viscose rayon is more than 2cm. The invention still further relates to a kind of process for the manufacture of this regenerative leather. In the method, due to the viscose rayon cheaply that adulterated in regenerative leather, reduced the production cost of regenerative leather, the content of simultaneously controlling viscose rayon in 15% time, makes it have the close feel with corium; In technique, chosen select the viscose rayon of length more than 2cm to mix with collagenous fibres after lapping again, utilize the feature that viscose rayon length is long, and by mixing the solid technique of shredding and thorn, can make single viscose rayon and many collagenous fibres produce winding arrangement, thereby improve the intensity of regenerative leather. This regenerative leather can be used to make sofa and box material etc.
Description
Technical field
The present invention relates to non-woven material and manufacture method thereof, be specifically related to a kind of low cost Collagenous fiber bonded leather leather and manufacture method thereof.
Background technology
The tailing quantity of natural leather is very large, if it is carried out to secondary utilization, particularly secondary operations becomes regenerated bark, can produce sizable wealth, energy-saving and environment friendly is produced to positive meaning simultaneously. At present, utilize the method that the tailing of natural leather is processed into regenerated bark mainly to comprise: fragment Method for bonding, fiber Method for bonding and the solid method of fiber thorn. Wherein, the regenerative leather feel obtaining through fiber Method for bonding is poor, but intensity is high; Though the regenerative leather intensity obtaining through the solid method of fiber thorn is slightly inferior, feel approaches corium. But, no matter be to adopt fiber Method for bonding, still adopting the solid method of fiber thorn, the production cost of regenerative leather is all very high.
Manufacture in regenerated bark method in the composite fibre of utilizing collagenous fibres and other fibers to be mixed to get, other fibers that add are mainly the fibers with hot melt adhesive characteristic, and play bound collagen fiber, improve the object of regenerated bark intensity, as the regenerative leather of mentioning in patent CN102115955B. Meanwhile, in this patent, destroy the feel on regenerated bark surface for fear of the hot-melt adhesive fiber adding, the ad hoc fibre net structure of counting sandwich style, using the fibre web of high hot-melt adhesive fiber content as middle level. This method needs three and becomes net systems in the time of lapping, to equipment require highly, naturally also improved production cost.
For the high shortcoming of existing regenerated bark production cost, be necessary to develop a kind of low cost and performance and approach a kind of Collagenous fiber bonded leather leather and simple process method for the manufacture of this low cost Collagenous fiber bonded leather leather of corium.
Summary of the invention
The Collagenous fiber bonded leather leather that provides a kind of low cost and performance to approach energy corium is provided the technical issues that need to address of the present invention.
Meanwhile, the technical issues that need to address of the present invention are also to provide a kind of process for the manufacture of this Collagenous fiber bonded leather leather.
The technical issues that need to address of the present invention are achieved through the following technical solutions:
A low cost Collagenous fiber bonded leather leather, its Web materials composition and percentage by weight thereof are: collagenous fibres 85 ~ 99%, viscose rayon 1 ~ 15%.
Preferably, in this regenerative leather, the length of collagenous fibres is more than 1cm, and the length of viscose rayon is more than 2cm. Preferably, the length of collagenous fibres is 1 ~ 3cm.
A manufacture method for above-mentioned low cost Collagenous fiber bonded leather leather, comprises the following steps successively:
(1) separate fibre: corium is separated to fibre, form collagenous fibres;
(2) shredding: collagenous fibres are mixed and obtain composite fibre with viscose rayon, then by composite fibre opener shredding; In composite fibre, collagenous fibres weight accounts for 85 ~ 99%;
(3) lapping: the composite fibre after shredding is paved into net;
(4) thorn is solid: the fibre web of completing is carried out to positive and negative thorn and admittedly process, form base cloth;
(5) trimming, rolling, packaging: after part irregular, unnecessary gained base cloth is trimmed, rolling, packaging.
Preferably, in above-mentioned manufacture method, in step (1), corium is the corner blanking in process hides processing.
Preferably, in above-mentioned manufacture method, in step (2), the length of collagenous fibres is more than 1cm, and the length of viscose rayon is more than 2cm; And also needed first by collagenous fibres and the each personal opener shredding of viscose rayon before collagenous fibres and viscose rayon mixing.
Preferably, in above-mentioned manufacture method, in step (3), composite fibre, with after the combing of combing lapping machine, uses combing lapping machine through the staggered lapping of broadwise.
Further preferably, in above-mentioned manufacture method, in described step (3), after the lapping of combing lapping machine, also need with air-laid machine the lapping of composite fibre stereo staggered.
Preferably, in above-mentioned manufacture method, in step (4), the fibre web of completing is utilized spun-laced machine just turning one's coat and sting solid processing, form base cloth.
Further preferably, in above-mentioned manufacture method, in step (4), before water thorn thorn is solid, also needs successively to prewet and sting in advance at least one times, first the fibre web of completing first through and being prewetted, the pressure of prewetting is 2 ~ 6MPa, the time of prewetting is 2 ~ 5 seconds, then sting in advance again, pre-thorn pressure is 30 ~ 80MPa, the pre-thorn time is 1 ~ 3 second, and thorn thorn is solid to be processed then to utilize more than spun-laced machine 200MPa High-Pressure Water just turning one's coat, and then press dry moisture, the base cloth that formation water content is 10 ~ 55%, then dries moisture.
Preferably, in above-mentioned manufacture method, step (4) bake out temperature is 40 ~ 100 DEG C, and drying time is 3 ~ 12 minutes.
Compared with prior art, the present invention has the following advantages:
1. a kind of low cost Collagenous fiber bonded leather leather of the present invention and manufacture method thereof, in this regenerative leather, the fibre web viscose rayon cheaply that adulterated, has reduced the production cost of regenerative leather.
2. a kind of low cost Collagenous fiber bonded leather leather of the present invention and manufacture method thereof, in this regenerative leather, when the percetage by weight of viscose rayon is controlled in 15%, it has the close feel with corium.
3. a kind of low cost Collagenous fiber bonded leather leather of the present invention and manufacture method thereof, for the defect that length is short, regenerative leather intensity is low of separating fine rear collagenous fibres, in this manufacture method, lapping again after selecting the viscose rayon of length more than 2cm to mix with collagenous fibres, utilize the feature that viscose rayon length is long, and by mixing the solid technique of shredding and thorn, can make single viscose rayon and many collagenous fibres produce winding arrangement; Compare with the regenerative leather being only made up of the collagenous fibres of same length, horizontal stroke, the machine direction tear of this regenerative leather all improve 2 ~ 5N, and cross directional stretch fracture strength has also improved 5 ~ 14N, more approaches corium in intensity.
4. a kind of low cost Collagenous fiber bonded leather leather of the present invention and manufacture method thereof, for the low defect of regenerative leather intensity, in this manufacture method, selects combing lapping and air-laid to mix and uses, and makes the fiber net structure of formation more fine and close.
5. a kind of low cost Collagenous fiber bonded leather leather of the present invention and manufacture method thereof, for the expensive defect of gas lapping machine, in this manufacture method, due to the existence of long viscose rayon, can only select combing lapping machine to carry out lapping, saved equipment expense.
This Collagenous fiber bonded leather leather through with other layer of cloths and/or leather layer compound after, can be used to make sofa and case and bag etc.
Detailed description of the invention
Below in conjunction with embodiment, the specific embodiment of the present invention is described further. Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
First the evaluation method, following each embodiment being adopted is carried out general description.
Tensile properties: based on the stretching test method of JIS-L1096-1964 fabric, measure tensile break strength. Wherein, taking the direct of travel of the fabric treating not of tangling as longitudinally, the direction vertical with the direct of travel of the fabric treating not of tangling, for laterally, measured respectively on transverse and longitudinal. In addition, condition determination is to carry out under the environmental condition of 23 DEG C of temperature, humidity 65%.
Tear characteristics: based on the stretching test method of JIS-L1096-1964 fabric, measured tearing strength. Wherein, be determined in length and breadth and carry out respectively in direction. In addition, condition determination is to carry out under the environmental condition of 23 DEG C of temperature, humidity 65%.
Embodiment 1
The present invention relates to a kind of low cost Collagenous fiber bonded leather leather, its Web materials composition and percentage by weight thereof are: collagenous fibres 99%, viscose rayon 1%; Wherein, the length of collagenous fibres is 1 ~ 3cm, and the length of viscose rayon is 2 ~ 2.5cm. The thickness of this regenerative leather is 0.5 ~ 3mm, and horizontal and vertical tearing toughness reaches 23 ~ 32N, and horizontal and vertical hot strength reaches 58 ~ 73N. Wherein, taking the performance of 1mm thickness regenerative leather as example, its result is presented in table 1.
The manufacture method that the invention still further relates to a kind of above-mentioned low cost Collagenous fiber bonded leather leather, it comprises the following steps successively:
(1) separate fibre: the corner blanking of the corium such as pig, sheep, ox-hide in process hides processing is separated to fibre, form collagenous fibres.
(2) shredding: the each personal opener shredding of viscose rayon that the collagenous fibres that are first 1 ~ 3cm by length and length are 2 ~ 2.5cm, after dosing machine metering, mix according to the above ratio and obtain composite fibre, then by composite fibre opener shredding.
(3) lapping:
(3-1) composite fibre is used after the combing of combing lapping machine, become the fibre web of 150 ~ 200 grams/m of grammes per square metres with combing lapping machine through the staggered lapping of broadwise;
(3-2) with air-laid machine, the lapping of composite fibre stereo staggered is become again to the fibre web of 400 ~ 500 grams/m of grammes per square metres.
(4) thorn is consolidated: first the fibre web of completing is first passed through and prewetted, the pressure of prewetting is 2 ~ 6MPa, the time of prewetting is 2 ~ 5 seconds, then stings in advance again, and stinging in advance pressure is 30 ~ 80MPa, the pre-thorn time is 1 ~ 3 second, then utilizing more than spun-laced machine 200MPa High-Pressure Water just turning one's coat, thorn thorn is solid processes, and then press dry moisture, the base cloth that to form water content be 10 ~ 55%, finally base cloth is dried 3 ~ 12 minutes at 40 ~ 100 DEG C, to remove moisture completely.
(5) trimming, rolling, packaging: after part irregular, unnecessary gained base cloth is trimmed, rolling, packaging.
Embodiment 2
The present invention relates to a kind of low cost Collagenous fiber bonded leather leather, its Web materials composition and percentage by weight thereof are: collagenous fibres 85%, viscose rayon 15%; Wherein, the length of collagenous fibres is 1 ~ 3cm, and the length of viscose rayon is 3 ~ 3.5cm. The thickness of this regenerative leather is 0.5 ~ 3mm, and horizontal and vertical tearing toughness reaches 23 ~ 32N, and horizontal and vertical hot strength reaches 58 ~ 73N. Wherein, taking the performance of 1mm thickness regenerative leather as example, its result is presented in table 1.
The manufacture method that the invention still further relates to a kind of above-mentioned low cost Collagenous fiber bonded leather leather, it comprises the following steps successively:
(1) separate fibre: the corner blanking of the corium such as pig, sheep, ox-hide in process hides processing is separated to fibre, form collagenous fibres.
(2) shredding: the each personal opener shredding of viscose rayon that the collagenous fibres that are first 1 ~ 3cm by length and length are 3 ~ 3.5cm, after dosing machine metering, mix according to the above ratio and obtain composite fibre, then by composite fibre opener shredding.
(3) lapping: composite fibre, with after the combing of combing lapping machine, is become to the fibre web of 400 ~ 500 grams/m of grammes per square metres through the staggered lapping of broadwise with combing lapping machine.
(4) thorn is consolidated: first the fibre web of completing is first passed through and prewetted, the pressure of prewetting is 2 ~ 6MPa, the time of prewetting is 2 ~ 5 seconds, then stings in advance again, and stinging in advance pressure is 30 ~ 80MPa, the pre-thorn time is 1 ~ 3 second, then utilizing more than spun-laced machine 200MPa High-Pressure Water just turning one's coat, thorn thorn is solid processes, and then press dry moisture, the base cloth that to form water content be 10 ~ 55%, finally base cloth is dried 3 ~ 12 minutes at 40 ~ 100 DEG C, to remove moisture completely.
(5) trimming, rolling, packaging: after part irregular, unnecessary gained base cloth is trimmed, rolling, packaging.
Embodiment 3
The present invention relates to a kind of low cost Collagenous fiber bonded leather leather, its Web materials composition and percentage by weight thereof are: collagenous fibres 88%, viscose rayon 12%; Wherein, the length of collagenous fibres is 1 ~ 3cm, and the length of viscose rayon is 2.5 ~ 3cm. The thickness of this regenerative leather is 0.5 ~ 3mm, and horizontal and vertical tearing toughness reaches 23 ~ 32N, and horizontal and vertical hot strength reaches 58 ~ 73N. Wherein, taking the performance of 1mm thickness regenerative leather as example, its result is presented in table 1.
The manufacture method that the invention still further relates to a kind of above-mentioned low cost Collagenous fiber bonded leather leather, it comprises the following steps successively:
(1) separate fibre: the corner blanking of the corium such as pig, sheep, ox-hide in process hides processing is separated to fibre, form collagenous fibres.
(2) shredding: the each personal opener shredding of viscose rayon that the collagenous fibres that are first 1 ~ 3cm by length and length are 2.5 ~ 3cm, after dosing machine metering, mix according to the above ratio and obtain composite fibre, then by composite fibre opener shredding.
(3) lapping: composite fibre, with after the combing of combing lapping machine, is become to the fibre web of 400 ~ 500 grams/m of grammes per square metres through the staggered lapping of broadwise with combing lapping machine.
(4) thorn is consolidated: first the fibre web of completing is first passed through and prewetted, the pressure of prewetting is 2 ~ 6MPa, the time of prewetting is 2 ~ 5 seconds, then stings in advance again, and stinging in advance pressure is 30 ~ 80MPa, the pre-thorn time is 1 ~ 3 second, then utilizing more than spun-laced machine 200MPa High-Pressure Water just turning one's coat, thorn thorn is solid processes, and then press dry moisture, the base cloth that to form water content be 10 ~ 55%, finally base cloth is dried 3 ~ 12 minutes at 40 ~ 100 DEG C, to remove moisture completely.
(5) trimming, rolling, packaging: after part irregular, unnecessary gained base cloth is trimmed, rolling, packaging.
Embodiment 4
The present invention relates to a kind of low cost Collagenous fiber bonded leather leather, its Web materials composition and percentage by weight thereof are: collagenous fibres 90%, viscose rayon 10%; Wherein, the length of collagenous fibres is 1 ~ 3cm, and the length of viscose rayon is 3 ~ 3.5cm. The thickness of this regenerative leather is 0.5 ~ 3mm, and horizontal and vertical tearing toughness reaches 23 ~ 32N, and horizontal and vertical hot strength reaches 58 ~ 73N. Wherein, taking the performance of 1mm thickness regenerative leather as example, its result is presented in table 1.
The manufacture method that the invention still further relates to a kind of above-mentioned low cost Collagenous fiber bonded leather leather, it comprises the following steps successively:
(1) separate fibre: the corner blanking of the corium such as pig, sheep, ox-hide in process hides processing is separated to fibre, form collagenous fibres.
(2) shredding: the each personal opener shredding of viscose rayon that the collagenous fibres that are first 1 ~ 3cm by length and length are 3 ~ 3.5cm, after dosing machine metering, mix according to the above ratio and obtain composite fibre, then by composite fibre opener shredding.
(3) lapping:
(3-1) composite fibre is used after the combing of combing lapping machine, through the staggered lapping of broadwise, be paved into equably the fibre web of 200 ~ 250 grams/m of grammes per square metres with combing lapping machine;
(3-2) use again air-laid machine by the lapping of composite fibre stereo staggered, obtain the fibre web of 400 ~ 500 grams/m of grammes per square metres.
(4) thorn is consolidated: first the fibre web of completing is first passed through and prewetted, the pressure of prewetting is 2 ~ 6MPa, the time of prewetting is 2 ~ 5 seconds, then stings in advance again, and stinging in advance pressure is 30 ~ 80MPa, the pre-thorn time is 1 ~ 3 second, then utilizing more than spun-laced machine 200MPa High-Pressure Water just turning one's coat, thorn thorn is solid processes, and then press dry moisture, the base cloth that to form water content be 10 ~ 55%, finally base cloth is dried 3 ~ 12 minutes at 40 ~ 100 DEG C, to remove moisture completely.
(5) trimming, rolling, packaging: after part irregular, unnecessary gained base cloth is trimmed, rolling, packaging.
Comparative example 1
A Collagenous fiber bonded leather leather, its fibre web is made up of 100% collagenous fibres; Wherein, the length of collagenous fibres is 1 ~ 3cm. Its manufacture method is: the collagenous fibres taking length as 1 ~ 3cm are raw material, collagenous fibres are used after opener shredding, then lapping becomes the fibre web of 400 ~ 500 grams/m of grammes per square metres with air-flow lapping machine to use successively combing lapping machine, after, oven dry solid through stinging, trimming, rolling, obtain product, wherein the solid operation of thorn is identical with the solid operation of thorn in embodiment 1. The horizontal and vertical tearing toughness of the regenerative leather obtaining by this technique is 18 ~ 27N, and horizontal and vertical hot strength is 46 ~ 82N. Wherein, taking the performance of 1mm thickness regenerative leather as example, its result is presented in table 1.
Table 1
| Embodiment numbering | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example 1 |
| Regenerated bark thickness (mm) | 1 | 1 | 1 | 1 | 1 |
| Tensile break strength (laterally, kg/25mm) | 5.9 | 6.8 | 6.3 | 6.4 | 4.9 |
| Tensile break strength (longitudinally, kg/25mm) | 6.4 | 7.2 | 6.7 | 6.9 | 6.8 |
| Tearing strength (laterally, kg/25mm) | 2.3 | 2.5 | 2.4 | 2.4 | 2.3 |
| Tearing strength (longitudinally, kg/25mm) | 2.7 | 3.2 | 2.9 | 3.0 | 2.5 |
Above-mentioned each embodiment is to the preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, not departing under the prerequisite of the technology of the present invention principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a low cost Collagenous fiber bonded leather leather, the Web materials composition and the percentage by weight thereof that it is characterized in that it are: collagenous fibres 85 ~ 99%, viscose rayon 1 ~ 15%, the length of described collagenous fibres is more than 1cm, the length of described viscose rayon is more than 2cm, and single viscose rayon and many collagenous fibres produce winding arrangement.
2. a manufacture method for low cost Collagenous fiber bonded leather leather described in claim 1, is characterized in that comprising the following steps successively:
(1) separate fibre: corium is separated to fibre, form collagenous fibres;
(2) shredding: collagenous fibres are mixed and obtain composite fibre with viscose rayon, then by composite fibre opener shredding; In composite fibre, collagenous fibres weight accounts for 85 ~ 99%;
(3) lapping: the composite fibre after shredding is paved into net;
(4) thorn is solid: the fibre web of completing is carried out to positive and negative thorn and admittedly process, form base cloth;
(5) trimming, rolling, packaging: after part irregular, unnecessary gained base cloth is trimmed, rolling, packaging.
3. the manufacture method that low cost Collagenous fiber bonded leather is removed from office as claimed in claim 2, is characterized in that: in described step (1), corium is the corner blanking in process hides processing.
4. the manufacture method that low cost Collagenous fiber bonded leather is removed from office as claimed in claim 2, is characterized in that: in described step (2), the length of collagenous fibres is more than 1cm, and the length of viscose rayon is more than 2cm; And also needed first by collagenous fibres and the each personal opener shredding of viscose rayon before collagenous fibres and viscose rayon mixing.
5. the manufacture method that low cost Collagenous fiber bonded leather is removed from office as claimed in claim 2, is characterized in that: in described step (3), composite fibre, with after the combing of combing lapping machine, uses combing lapping machine through the staggered lapping of broadwise.
6. the manufacture method that low cost Collagenous fiber bonded leather is removed from office as claimed in claim 5, is characterized in that: in described step (3), after the lapping of combing lapping machine, also need with air-laid machine the lapping of composite fibre stereo staggered.
7. the manufacture method that low cost Collagenous fiber bonded leather is removed from office as claimed in claim 2, is characterized in that: in described step (4), the fibre web of completing is utilized spun-laced machine just turning one's coat and sting solid processing, formation base cloth.
8. the manufacture method that low cost Collagenous fiber bonded leather is removed from office as claimed in claim 7, it is characterized in that: in described step (4), before water thorn thorn is solid, also needs successively to prewet and sting in advance at least one times, first the fibre web of completing first through and being prewetted, the pressure of prewetting is 2 ~ 6MPa, the time of prewetting is 2 ~ 5 seconds, then sting in advance again, pre-thorn pressure is 30 ~ 80MPa, the pre-thorn time is 1 ~ 3 second, then utilizing more than spun-laced machine 200MPa High-Pressure Water just turning one's coat, thorn thorn is solid processes, then press dry moisture, the base cloth that formation water content is 10 ~ 55%, then dry moisture.
9. the manufacture method that low cost Collagenous fiber bonded leather is removed from office as claimed in claim 8, is characterized in that: described step (4) bake out temperature is 40 ~ 100 DEG C, and drying time is 3 ~ 12 minutes.
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| CN103233326A (en) * | 2013-04-08 | 2013-08-07 | 江阴骏华纺织科技有限公司 | Collagen fiber regenerated leather and manufacturing method thereof |
| CN103774347A (en) * | 2013-12-12 | 2014-05-07 | 青岛无为保温材料有限公司 | Method for manufacturing degradable non-woven fabric |
| WO2017053433A1 (en) | 2015-09-21 | 2017-03-30 | Modern Meadow, Inc. | Fiber reinforced tissue composites |
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| CN105755845B (en) * | 2016-04-29 | 2018-05-25 | 石家庄百分百塑材制造有限公司 | It is a kind of for corium fabric regenerated leather of flooring laminate base and preparation method thereof |
| CN106117881B (en) * | 2016-07-05 | 2018-12-07 | 中山大学惠州研究院 | A kind of artificial leather 3D printing material and preparation method thereof |
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| CN107475900B (en) * | 2017-09-28 | 2020-11-13 | 中材科技膜材料（山东）有限公司 | One-step gradient filter material production device and operation method thereof |
| AU2018253595A1 (en) | 2017-11-13 | 2019-05-30 | Modern Meadow, Inc. | Biofabricated leather articles having zonal properties |
| CN108265397A (en) * | 2018-04-09 | 2018-07-10 | 浙江思凯域新材料有限公司 | Footwear material decoration regenerated bark base fabric preparation method |
| CN108547055A (en) * | 2018-04-09 | 2018-09-18 | 浙江思凯域新材料有限公司 | Pleasant furniture regenerated bark base fabric preparation method |
| GB2576377A (en) | 2018-08-17 | 2020-02-19 | Joryl Logic Ltd | Sheet material |
| US11352497B2 (en) | 2019-01-17 | 2022-06-07 | Modern Meadow, Inc. | Layered collagen materials and methods of making the same |
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