技术领域technical field
本发明涉及一种纺织用涤纶化纤长丝，具体涉及一种具有圆中空十字异形结构并具有永久高吸湿透气、抗静特性以及织物质地轻薄，手感滑腻，穿着舒适性强的双组份圆中空十字异形高吸湿复合纤维及其生产方法。The invention relates to a polyester chemical fiber filament for textile, in particular to a two-component round hollow yarn with a circular hollow cross shaped structure, permanent high moisture absorption, air permeability, antistatic properties, light and thin fabric texture, smooth hand feeling and strong wearing comfort. A cross-shaped high-moisture-absorbing composite fiber and a production method thereof.
背景技术Background technique
涤纶是日常生活中用的非常多的一种化纤服装面料原料，其织物最大的优点是抗皱性和保形性很好，但其吸湿透气性差，织物做成服装面料较为沉重并穿着湿闷，并容易产生静电，穿着舒适性很差。随着家纺用品的需求发展，用量迅速增长，中国已经成为涤纶化纤最大的生产和需求国家，生产和需求的发展与人们追舒适度的追求存在极大的矛盾性，制约着涤纶化纤的进一步发展。而全生物基锦纶56具有极强的吸湿性能，回潮率高达8％以上，密度小，采用“圆中空十字”异形截面结构，通过双组份皮芯复合的纺丝，使涤纶和全生物基锦纶56复合，并添加一定比例的粘合剂，以防涤锦组份不相容性在生产过程中产生双组份分离，可以生产出具有圆中空十字异形结构并具有永久性高吸湿透气、抗静特性，织物轻薄保暖，穿着舒适性好的双组份圆中空十字异形高吸湿复合纤维。一种双组份圆中空十字异形高吸湿复合纤维及其生产方法，可以通过复合纺使全生物基锦纶56按照一定比例与涤纶复合，很好地改进涤纶的使用性能，可有效的扩大涤纶的应用领域，具有良好的经济和社会效益，市场前景广阔。Polyester is a kind of chemical fiber clothing fabric raw material widely used in daily life. The biggest advantage of its fabric is that it has good wrinkle resistance and shape retention, but its moisture absorption and air permeability are poor. The fabric made of fabric is relatively heavy and wet when worn. And it is easy to generate static electricity, and the wearing comfort is very poor. With the development of demand for home textile products and the rapid growth of consumption, China has become the largest producer and demand country of polyester chemical fiber. There is a great contradiction between the development of production and demand and people's pursuit of comfort, which restricts the further development of polyester chemical fiber. . The full bio-based nylon 56 has extremely strong moisture absorption performance, the moisture regain is as high as 8%, and the density is small. Nylon 56 is compounded, and a certain proportion of adhesive is added to prevent the incompatibility of the polyester and nylon components from causing two-component separation during the production process. It can produce a round hollow cross shaped structure with permanent high moisture absorption and breathability. Anti-static properties, light and thin fabric to keep warm, two-component circular hollow cross special-shaped high moisture-absorbing composite fiber with good wearing comfort. A two-component circular hollow cross special-shaped high moisture-absorbing composite fiber and its production method can make all-bio-based nylon 56 composite with polyester according to a certain proportion through composite spinning, which can improve the performance of polyester and effectively expand the use of polyester. It has good economic and social benefits and broad market prospects.
发明内容Contents of the invention
本发明所解决的技术问题是提供一种异形复合纤维，具有良好的永久吸湿透气、抗静电性，织物轻薄，手感滑腻并具有很好穿着舒适性。The technical problem solved by the present invention is to provide a special-shaped composite fiber, which has good permanent moisture absorption, breathability, antistatic properties, light and thin fabric, smooth hand feeling and good wearing comfort.
为了解决上述问题，本发明提供了一种双组份圆中空十字异形高吸湿复合纤维，其特征在于，包括中间的十字涤纶芯以及包裹在十字涤纶芯外部形成环形的生物基聚酰胺56锦纶，所述生物基聚酰胺56锦纶与十字涤纶芯之间形成中空，且生物基聚酰胺56锦纶的环形结构在对应十字涤纶芯的四个端部处设有间隙。In order to solve the above problems, the present invention provides a two-component round hollow cross special-shaped high moisture absorption composite fiber, which is characterized in that it includes a cross polyester core in the middle and a bio-based polyamide 56 nylon wrapped outside the cross polyester core to form a ring, A hollow is formed between the bio-based polyamide 56 nylon and the cross polyester core, and the ring structure of the bio-based polyamide 56 nylon has gaps at four ends corresponding to the cross polyester core.
优选地，所述十字涤纶芯和生物基聚酰胺56锦纶之间通过带有反应基团的涤锦粘合剂粘合。Preferably, the cross polyester core and the bio-based polyamide 56 nylon are bonded by a polyester nylon adhesive with reactive groups.
优选地，所述十字涤纶芯和生物基聚酰胺56锦纶的重量比为50∶50-80∶15；所述粘合剂的添加量为十字涤纶芯和生物基聚酰胺56锦纶重量总和的4-8％，中空度15-25％。Preferably, the weight ratio of the cross polyester core and bio-based polyamide 56 nylon is 50:50-80:15; the amount of the adhesive added is 4% of the total weight of the cross polyester core and bio-based polyamide 56 nylon. -8%, Hollowness 15-25%.
本发明还提供了上述双组份圆中空十字异形高吸湿复合纤维的生产方法，其特征在于，采用复合喷丝板复合而成，复合喷丝板的喷丝孔采用圆中空十字结构，生物基聚酰胺56锦纶与十字涤纶芯的结构面积比为50∶50-85∶15；形成所述间隙对应的固定距为0.02-0.1mm；分配板上的直径较大的第一导流槽上的导流孔一与喷丝孔对应生物基聚酰胺56锦纶的部分相连接，分配板上的直径较小的第二导流槽上的导流孔二与喷丝孔对应十字涤纶芯的部分相连接。The present invention also provides the production method of the above-mentioned two-component round hollow cross special-shaped high moisture absorption composite fiber, which is characterized in that it is composited by using a composite spinneret, and the spinneret hole of the composite spinneret adopts a circular hollow cross structure, bio-based The structural area ratio of polyamide 56 nylon and cross polyester core is 50:50-85:15; the fixed distance corresponding to the gap is 0.02-0.1mm; The diversion hole 1 is connected with the part of the spinneret hole corresponding to the bio-based polyamide 56 nylon, and the diversion hole 2 on the second diversion groove with a smaller diameter on the distribution plate is connected with the part of the spinneret hole corresponding to the cross polyester core. connect.
优选地，所述喷丝孔对应十字涤纶芯四个端点处与生物基聚酰胺56锦纶内壁的边缘处的距离为0.02-0.1mm。Preferably, the distance between the four end points of the cross polyester core and the edge of the inner wall of bio-based polyamide 56 nylon is 0.02-0.1mm.
优选地，在所述十字涤纶芯和生物基聚酰胺56锦纶两种成份的切片或熔体管道上添加粘合剂，一起熔融成为混合熔体；粘合剂的重量百分比为十字涤纶芯和生物基聚酰胺56锦纶总重量的4-8％。Preferably, an adhesive is added to the slices or melt pipes of the two components of the cross polyester core and bio-based polyamide 56 nylon, and they are melted together to form a mixed melt; the weight percentage of the adhesive is the cross polyester core and the biological 4-8% of the total weight of the base polyamide 56 nylon.
优选地，所述生物基聚酰胺56锦纶熔融及纺丝温度为293-298℃。Preferably, the melting and spinning temperature of the bio-based polyamide 56 nylon is 293-298°C.
优选地，该复合纤维可制成全牵伸丝FDY、拉伸假捻变形丝DTY或短纤。Preferably, the composite fiber can be made into fully drawn yarn FDY, drawn false twist textured yarn DTY or staple fiber.
本发明采用圆中空十字皮芯复合喷丝孔并添加适量粘合剂复合生产而成，纤维具有持久良好的中空保持度、吸湿透气性能，密度小，织物轻薄，手感滑腻且具有较好的穿着舒适性。其生产方法是在现有复合纺设备上，采用复合纺丝组件和喷丝板，内以“十”字形的刚性好的涤纶成份为芯结构，外以圆环形具有较好吸湿性，密度小的生物基聚酰胺56成份为皮结构，通过圆中空十字皮芯复合纺丝生产出双组份异形中空高吸湿复合纤维。The invention adopts round hollow cross sheath-core composite spinneret holes and adds appropriate amount of adhesive to compound the production. The fiber has long-lasting and good hollow retention, moisture absorption and air permeability, low density, light and thin fabric, smooth hand feeling and good wearability. comfort. Its production method is to use composite spinning components and spinnerets on the existing composite spinning equipment, with a "ten"-shaped polyester component with good rigidity as the core structure, and a circular ring shape with good hygroscopicity and density. The small bio-based polyamide 56 has a sheath structure, and a two-component special-shaped hollow high-moisture composite fiber is produced by composite spinning of a round hollow cross sheath-core.
本发明生产双组份圆中空十字异形高吸湿复合纤维的方法，只需在现有设备改造，可以极大改善涤纶的应用性能，扩大其应用空间，丰富并优化服装面料，有着显著的经济效益和社会效益。The method for producing two-component circular hollow cross special-shaped high moisture-absorbing composite fibers of the present invention only needs to be modified on existing equipment, which can greatly improve the application performance of polyester, expand its application space, enrich and optimize clothing fabrics, and have significant economic benefits and social benefits.
附图说明Description of drawings
图1为制备本发明提供的双组份圆中空十字异形高吸湿复合纤维的喷丝孔的示意图；Fig. 1 is the schematic diagram of the spinneret holes for preparing the two-component circular hollow cross special-shaped high moisture absorption composite fiber provided by the present invention;
图2为不同组份分别与喷丝孔的对应关系示意图；Fig. 2 is a schematic diagram of the corresponding relationship between different components and spinneret holes;
具体实施方式Detailed ways
为使本发明更明显易懂，兹以优选实施例，并配合附图作详细说明如下。In order to make the present invention more comprehensible, preferred embodiments are described in detail below with accompanying drawings.
本发明提供的一种双组份圆中空十字异形高吸湿复合纤维及其生产方法是，在原有的双组份复合纺丝设备上机上，改造喷丝板喷丝孔的设计，采用“圆中空十字”异形结构，外部皮结构以具有全生物基锦纶56等高吸湿性能的组份吸湿导电结构和中空的透湿透气结构，手感柔软滑腻，内部芯结构部分以刚性强的十字结构涤纶部分为骨架，具有较好的中空保形性，十字形结构的沟槽可以形成吸湿、排湿通道，可以保证纤维的吸湿、透气、排汗等功能性的永久性效果，涤锦复合比例50∶50-80∶15，粘合剂添加比例为4-8％，分别混合在涤纶和全生物基锦纶56切片中，一起熔融成为混合熔体。The present invention provides a two-component circular hollow cross special-shaped high moisture-absorbing composite fiber and a production method thereof. "Cross" special-shaped structure, the outer skin structure is composed of components with high moisture absorption properties such as full bio-based nylon 56, a moisture-absorbing conductive structure and a hollow moisture-permeable and breathable structure, which is soft and smooth to the touch, and the inner core structure is made of a rigid cross-structure polyester part It is a skeleton with good hollow shape retention. The cross-shaped grooves can form moisture absorption and moisture drainage channels, which can ensure the permanent effects of fiber moisture absorption, breathability, and perspiration. The composite ratio of polyester and nylon is 50: 50-80:15, the binder addition ratio is 4-8%, respectively mixed in the polyester and full bio-based nylon 56 slices, and melted together to form a mixed melt.
如图1所示，为制备本发明提供的双组份圆中空十字异形高吸湿复合纤维的喷丝孔的示意图，中间十字芯结构2，外侧为圆环形皮结构部分1，两者之间形成中空4，圆环形皮结构部分1相对应中间十字芯结构2的四个端点处设有间隙，其对应的固定距3为0.02-0.1mm；分配板5上的直径较大的第一导流槽A上的导流孔一6与喷丝孔对应生物基聚酰胺56锦纶的部分相连接，分配板5上的直径较小的第二导流槽B上的导流孔二7与喷丝孔对应十字涤纶芯的部分相连接。As shown in Figure 1, it is a schematic diagram of the spinneret hole for preparing the two-component circular hollow cross special-shaped high moisture absorption composite fiber provided by the present invention, the middle cross core structure 2, and the outer side is a circular skin structure part 1, between the two A hollow 4 is formed, and the annular skin structure part 1 is provided with gaps at the four ends corresponding to the middle cross core structure 2, and the corresponding fixed distance 3 is 0.02-0.1mm; the first one with a larger diameter on the distribution plate 5 The diversion hole one 6 on the diversion groove A is connected with the part corresponding to the spinneret hole of bio-based polyamide 56 nylon, and the diversion hole two 7 on the second diversion groove B with a smaller diameter on the distribution plate 5 is connected with the The spinneret hole is connected to the part corresponding to the cross polyester core.
实施例1Example 1
一种双组份圆中空十字异形高吸湿复合纤维及其生产方法：A two-component circular hollow cross special-shaped high moisture absorption composite fiber and its production method:
在现双组份复合FDY纺丝机上，采用圆中空十字异形复合喷丝板组件，外部圆环形皮结构部分1为全生物基锦纶56成份，中间十字芯结构部分2为涤纶，喷丝孔上两者的什么面积比为50∶50。中间十字芯结构部分2四端点与外圆环的内边缘的距离在0.02mm，固定距3的宽度为0.02mm两组份中粘合剂添加量为6％，拉伸比3.2，一热辊拉伸变形温度95℃，二热辊拉伸定型温度115℃，纺丝速度4500m/min，全生物基聚酰胺56的纺丝温度比涤纶温度高6℃，制得复合比例50∶50，中空度为15％的75D/48F双组份圆中空十字异形高吸湿复合纤维FDY。On the current two-component composite FDY spinning machine, a circular hollow cross special-shaped composite spinneret assembly is used. The outer circular skin structure part 1 is made of all bio-based nylon 56 components, and the middle cross core structure part 2 is polyester. The spinneret hole The area ratio of the above two is 50:50. The distance between the four ends of the middle cross core structure part 2 and the inner edge of the outer ring is 0.02mm, and the width of the fixed distance 3 is 0.02mm. The stretching deformation temperature is 95°C, the stretching and setting temperature of the second hot roller is 115°C, and the spinning speed is 4500m/min. The spinning temperature of all bio-based polyamide 56 is 6°C higher than that of polyester, and the composite ratio is 50:50. 75D/48F two-component circular hollow cross special-shaped high moisture-absorbing composite fiber FDY with a density of 15%.
实施例2Example 2
一种双组份圆中空十字异形高吸湿复合纤维及其生产方法：A two-component circular hollow cross special-shaped high moisture absorption composite fiber and its production method:
在现双组份复合POY纺丝机上，采用圆中空十字异形复合喷丝板组件，外部圆环形皮结构部分1为全生物基锦纶56成份，中间十字芯结构部分2为涤纶，喷丝孔上两者的什么面积比为85∶15。中间十字芯结构部分2的四端点与外部圆环形皮结构部分1的中空4部分的距离在0.1mm，固定距3的宽度为0.1mm两组份中粘合剂添加量为8％，纺丝速度2900m/min，全生物基聚酰胺56的纺丝温度比涤纶温度高8℃，制得中空度为25％的150D/72F双组份圆中空十字异形高吸湿复合纤维POY。On the current two-component composite POY spinning machine, a circular hollow cross special-shaped composite spinneret assembly is used. The outer circular skin structure part 1 is made of all bio-based nylon 56 components, and the middle cross core structure part 2 is polyester. The spinneret hole The area ratio of the above two is 85:15. The distance between the four ends of the middle cross core structure part 2 and the hollow part 4 of the outer annular skin structure part 1 is 0.1 mm, and the width of the fixed distance 3 is 0.1 mm. The amount of adhesive added in the two components is 8%, and the spinning The spinning speed is 2900m/min, and the spinning temperature of all bio-based polyamide 56 is 8°C higher than that of polyester, and the 150D/72F two-component round hollow cross special-shaped high moisture absorption composite fiber POY with a hollowness of 25% is prepared.
双组份中空高吸湿卷曲复合纤维POY在巴马格假捻变形机上，拉伸比1.65，一热箱拉伸变形温度180℃，二热箱定型温度160℃，生产速度720m/min，制得150D/72F的复合比例为85∶15，中空度为25％的双组份圆中空十字高吸湿复合纤维DTY。Two-component hollow high moisture-absorbing crimped composite fiber POY is processed on a Barmag false twist texturing machine with a draw ratio of 1.65, a stretching temperature of 180°C in the first hot box, a setting temperature of 160°C in the second hot box, and a production speed of 720m/min. The composite ratio of 150D/72F is 85:15, and the hollow degree is 25% two-component circular hollow cross high moisture absorption composite fiber DTY.
实施例3Example 3
一种双组份中空高吸湿卷曲复合纤维及其生产方法：A two-component hollow high moisture absorption curly composite fiber and its production method:
在现双组份复合短纤纺丝机上，采用圆中空十字异形复合喷丝板组件，外部圆环形皮结构部分1为全生物基锦纶56成份，中间十字芯结构部分2为涤纶，喷丝孔上两者的什么面积比为85∶15。中间十字芯结构部分2四端点与外部圆环形皮结构部分1的中空4部分的距离在0.06mm，固定距3的宽度为0.06mm两组份中粘合剂添加量为7％，纺丝速度2500m/min，全生物基聚酰胺56的纺丝温度比涤纶温度高7℃，两组份中粘合剂添加量为7％，总拉伸比3.8，短纤热辊拉伸变形温度125℃，短纤定型温度145℃，经卷曲、上油以及切断纤，制得1.4D*38mm的复合比例为60∶40，中空度为20％的双组份圆中空十字异形高吸湿复合纤维短纤。On the current two-component composite staple fiber spinning machine, a circular hollow cross special-shaped composite spinneret assembly is used. The outer circular ring skin structure part 1 is made of all bio-based nylon 56 components, and the middle cross core structure part 2 is polyester. Spinning The area ratio of the two on the hole is 85:15. The distance between the four ends of the middle cross core structure part 2 and the hollow part 4 of the outer annular skin structure part 1 is 0.06 mm, and the width of the fixed distance 3 is 0.06 mm. The amount of adhesive added in the two components is 7%, and the spinning The speed is 2500m/min, the spinning temperature of all bio-based polyamide 56 is 7°C higher than that of polyester, the amount of binder added in the two components is 7%, the total draw ratio is 3.8, and the tensile deformation temperature of short fiber hot roll is 125 ℃, the short fiber setting temperature is 145 ℃, after crimping, oiling and cutting, the composite ratio of 1.4D*38mm is 60:40, and the hollowness is 20%. fiber.
| Application Number | Priority Date | Filing Date | Title |
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| CN201510483123.XACN105177739A (en) | 2015-08-07 | 2015-08-07 | Two-component round hollow cross-shaped special-shaped high-absorbent complex fiber and production method thereof |
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| CN201510483123.XACN105177739A (en) | 2015-08-07 | 2015-08-07 | Two-component round hollow cross-shaped special-shaped high-absorbent complex fiber and production method thereof |
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| CN105177739Atrue CN105177739A (en) | 2015-12-23 |
| Application Number | Title | Priority Date | Filing Date |
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| CN201510483123.XAPendingCN105177739A (en) | 2015-08-07 | 2015-08-07 | Two-component round hollow cross-shaped special-shaped high-absorbent complex fiber and production method thereof |
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| CA2336903A1 (en)* | 1998-08-27 | 2000-03-09 | E.I. Du Pont De Nemours And Company | Multilobal hollow filaments having stiffening ribs and stiffening webs |
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| EP2221400A1 (en)* | 2009-02-23 | 2010-08-25 | Shinkong Synthetic Fibers Corporation | Square-analogous four-hole hollow staple fiber |
| CN201553810U (en)* | 2009-12-28 | 2010-08-18 | 吴江鹰翔万信化纤有限公司 | High power reflecting spinneret plate |
| CN201553811U (en)* | 2009-12-28 | 2010-08-18 | 吴江鹰翔万信化纤有限公司 | Open ring type spinneret plate |
| CN201648587U (en)* | 2010-01-13 | 2010-11-24 | 许智玲 | Special-shaped sectioned fiber and permeable, water-absorbing, soft and elastic material formed by same |
| CN102733094A (en)* | 2012-07-20 | 2012-10-17 | 浙江金三发非织造布有限公司 | PET/PA6 (Polyethylene Terephthalate/Poly Amide 6) double-component hollow orange peel fiber and production process thereof |
| CN104562243A (en)* | 2015-01-16 | 2015-04-29 | 东华大学 | Preparation method of multi-component complex fibers |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication | Application publication date:20151223 |