CN109402871A - A kind of upright continuous material and preparation method thereof of acid fiber by polylactic - Google Patents
A kind of upright continuous material and preparation method thereof of acid fiber by polylactic Download PDFInfo
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- CN109402871A CN109402871A CN201810193699.6A CN201810193699A CN109402871A CN 109402871 A CN109402871 A CN 109402871A CN 201810193699 A CN201810193699 A CN 201810193699A CN 109402871 A CN109402871 A CN 109402871A
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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
- D04H1/54—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 welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
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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
- D04H1/02—Cotton wool; Wadding
-
- 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
- D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4326—Condensation or reaction polymers
- D04H1/435—Polyesters
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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
- D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
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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
- D04H1/54—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 welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
- D04H1/55—Polyesters
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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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/76—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres otherwise than in a plane, e.g. in a tubular way
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- Chemical Kinetics & Catalysis (AREA)
- Nonwoven Fabrics (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
The invention discloses a kind of acid fiber by polylactic, uprightly continuous material, the upright continuous material include being located in the middle upright continuous layer, and the material of the upright continuous layer is acid fiber by polylactic.The upright continuous material of acid fiber by polylactic provided by the invention, is made upright continuous material for acid fiber by polylactic, so that increasing the elasticity of continuous sample by the preparation process of upright silk floss while keeping acid fiber by polylactic characteristic, having upgraded the various aspects of performance of product.By special raw material ratio and technological parameter upright continuous material is made in acid fiber by polylactic by the preparation process of the upright continuous material of acid fiber by polylactic.
Description
Technical field
The present invention relates to non-woven material technical field, especially a kind of acid fiber by polylactic uprightly continuous material and its preparation side
Method.
Background technique
Upright silk floss material is many excellent with high resiliency, resistance to compression, ventilative and environmental protection etc. as a kind of novel non-woven material
Point, has been widely applied in daily life.
Polylactic acid (PLA) is a kind of novel biology base and recyclable organism degradable material, is provided using reproducible plant
The starch raw material that source (such as corn) is proposed is made, the basic physical properties of existing synthetic fibers, and has the biofacies of natural fiber
Capacitive and degradability.The biodegradable of acid fiber by polylactic material is better than other Biodegradable fibers, has good
The performances such as hydrophily, crimpiness, stainability, antibacterial mite-inhibiting, ultraviolet resistance.The non-woven material made from acid fiber by polylactic,
Have the characteristics that it is soft, comfortable and easy to wear, do not stimulate skin, quick absorbing sweat and rapid-curing cutback.
But acid fiber by polylactic can not be made due to the various technical problems such as material, equipment, technological parameter currently on the market
Obtained upright continuous material does not occur relevant acid fiber by polylactic uprightly continuous product yet.
Summary of the invention
In view of this, in order to overcome the drawbacks of the prior art, the object of the present invention is to provide a kind of acid fiber by polylactic is upright
The preparation method of the upright continuous material of continuous material and the acid fiber by polylactic.
In order to achieve the above objectives, the invention adopts the following technical scheme:
Uprightly continuous material, the upright continuous material include being located in the middle upright continuous layer, the upright silk floss for a kind of acid fiber by polylactic
The material of layer is acid fiber by polylactic.
Preferably, the upright continuous material further includes the tiling layer positioned at the above and or below of the upright continuous layer.
It is further preferred that the material of the tiling layer is acid fiber by polylactic.
Preferably, according to the mass fraction, the acid fiber by polylactic includes 20-100 parts of two-component acid fiber by polylactic, is not surpassed
The one-component acid fiber by polylactic for crossing 80 parts, the polylactic acid three-dimensional fiber no more than 80 parts.
It is further preferred that according to the mass fraction, the two-component acid fiber by polylactic includes 40-60 parts of cortex and 40-60
The sandwich layer of part, the fusing point of the cortex are lower than 40-60 DEG C of fusing point of sandwich layer.Cortex is by 110-130 DEG C of fusing point of acid fiber by polylactic
It is made, sandwich layer is made by 160-180 DEG C of fusing point of acid fiber by polylactic.
It is further preferred that the fiber number of the two-component acid fiber by polylactic is 2.2-16.5dtex, average length 32-
64mm.Further, the fiber number of the two-component acid fiber by polylactic is 2.22-4.44dtex, average length 38-64mm.
It is further preferred that the fusing point of the one-component acid fiber by polylactic is 160-180 DEG C, fiber number 0.55-22.2dtex,
Average length is 32-88mm.Further, the fiber number of the one-component acid fiber by polylactic is 0.99-6.66dtex, average length
For 32-64mm.
Preferably, the grammes per square metre of the upright continuous material of 1cm thickness is 30-500g/m2.Further, the institute of 1cm thickness
The grammes per square metre for stating upright continuous material is 40-150g/m2。
The present invention also provides a kind of preparation methods of the upright continuous material of acid fiber by polylactic as described above, including following step
It is rapid:
1) shredding: two-component acid fiber by polylactic, one-component acid fiber by polylactic, polylactic acid three-dimensional fiber are beaten with opener；Cause
For acid fiber by polylactic ratio PET(polyethylene terephthalate) fiber weakness is big, and shredding number is more to be caused to damage to fiber
It loses, damage, so the fewer shredding number the better under the premise of road uniformity after not influencing；
2) the mixed silk floss in big storehouse: two-component acid fiber by polylactic, one-component acid fiber by polylactic after adding shredding in proportion, polylactic acid are three-dimensional
Fiber is simultaneously mixed continuous through big storehouse, to improve uniformity；
3) it prepares continuous net: mixed acid fiber by polylactic is prepared by continuous net using vibration plus combing or air lay；
4) continuous net is folded: with Zhe Mian mechanism by continuous net folding at the direction perpendicular to continuous sample large area；
5) hot air shaping: by baking oven and hot air shaping, low-melting fiber, that is, two-component acid fiber by polylactic cortex, material are melted
Acid fiber by polylactic uprightly continuous material is made in sizing；
6) it cuts and winds: by latter equipment to acid fiber by polylactic uprightly continuous material cutting and winding.
Preferably, 130-160 DEG C of oven temperature in the hot air shaping, mesh belt speed 1-4m/min, rotation speed of fan 400-
500r/min.Further, mesh belt speed is preferably 1.5-2.5m/min.
Due to the technical solution more than using, the present invention compared with prior art have the beneficial effect that the present invention mentions
The upright continuous material of the acid fiber by polylactic of confession, is made upright continuous material for acid fiber by polylactic, so that keeping acid fiber by polylactic characteristic
While, the elasticity of continuous sample is increased by upright continuous preparation process, has upgraded the various aspects of performance of product.Acid fiber by polylactic
Upright continuous material is made by special raw material ratio and technological parameter, by acid fiber by polylactic in the preparation process of upright silk floss material
Material.
Detailed description of the invention
Fig. 1 is the schematic diagram one of the upright continuous material of acid fiber by polylactic in embodiment；
Fig. 2 is the schematic diagram two of the upright continuous material of acid fiber by polylactic in embodiment；
Fig. 3 is the schematic diagram three of the upright continuous material of acid fiber by polylactic in embodiment；
Fig. 4 is the preparation flow figure of the upright continuous material of acid fiber by polylactic in embodiment；
Wherein: first tiling layer -1, the second tiling layer -2, upright silk floss layer -3.
Specific embodiment
Detailed description of the preferred embodiments with reference to the accompanying drawing.
Embodiment one
Referring to Fig. 1, a kind of upright continuous material of acid fiber by polylactic of the present embodiment, by 100% acid fiber by polylactic material system
, and the grammes per square metre of the upright continuous material of 1cm thickness is 40-60g/m2。
Uprightly continuous material includes being located in the middle upright continuous layer 3 to the acid fiber by polylactic of the present embodiment, the material of upright silk floss layer 3
For acid fiber by polylactic.
In other some embodiments, upright silk floss material further includes the first tiling layer 1 positioned at upright continuous 3 top of layer
And/or the second tiling layer 2 positioned at upright continuous 3 lower section of layer, such as Fig. 2 and Fig. 3.The material of first tiling layer 1 and the second tiling layer 2
It also is acid fiber by polylactic.
Every 100g acid fiber by polylactic includes the two-component acid fiber by polylactic of 20g-100g, the poly- cream of the one-component no more than 80g
Sour fiber and polylactic acid three-dimensional fiber no more than 80g.
One-component acid fiber by polylactic refers to the two-dimensional fiber of single component polylactic acid synthesis, and fusing point is 160-180 DEG C, fine
Degree is 2.22-6.67dtex, average length 32-51mm.
Two-component acid fiber by polylactic is by the concentric or eccentric structure fiber of two kinds of ingredient mixed-formings, including sandwich layer and skin
Layer, the raw material of center core layer are above-mentioned one-component acid fiber by polylactic, and the raw material of cortex is more molten than one-component acid fiber by polylactic
Low 40-60 DEG C of the low melting point acid fiber by polylactic raw material of point.The fiber number of two-component acid fiber by polylactic is 2.22-4.44dtex, average
Length is 38-51mm.
Every 100g two-component acid fiber by polylactic includes the cortex of 40g-60g and the sandwich layer of 40g-60g, and the fusing point of cortex is lower than
40-60 DEG C of the fusing point of sandwich layer.Cortex is made by 110-130 DEG C of fusing point of low melting point acid fiber by polylactic in the present embodiment, sandwich layer by
160-180 DEG C of fusing point of one-component acid fiber by polylactic is made.Using such two-component acid fiber by polylactic can hot wind form when,
Low melting point acid fiber by polylactic positioned at outside first melts, so that material shaping.
Polylactic acid three-dimensional fiber refers to molding three-dimensional fine side by side by the different raw material of two kinds of fusing point differences, percent thermal shrinkages
Dimension has physically better elasticity.Its fusing point is close to the raw material for stating the one-component polylactic acid two-dimensional fiber.Polylactic acid is three-dimensional
The fiber number of fiber is 3.33-22 dtex, average length 38-88mm.
Acid fiber by polylactic in the present embodiment uprightly continuous material by 40% mass parts two-component acid fiber by polylactic and 60% matter
The one-component acid fiber by polylactic of amount part is prepared, i.e., the acid fiber by polylactic of 100g uprightly continuous material include 40g two-component
The one-component acid fiber by polylactic of acid fiber by polylactic and 60g.And the fusing point of one-component acid fiber by polylactic is 170 DEG C；The poly- cream of two-component
The low melting point acid fiber by polylactic and fusing point that sour fiber is 120 DEG C by fusing point are two kinds of fibers of 170 DEG C of one-component acid fiber by polylactic
Raw material mixed-forming, and respectively account for the 50% of mass ratio, i.e. the two-component acid fiber by polylactic of 100g includes the low melting point polylactic acid of 50g
The one-component acid fiber by polylactic of fiber and 50g.
More specifically, two-component acid fiber by polylactic in the present embodiment: fiber number 4.44dtex, average length 51mm, curling
12/25mm of number；One-component acid fiber by polylactic: fiber number 1.67dtex, average length 36mm, 14/25mm of crispation number.
The present embodiment additionally provides a kind of preparation method of the upright continuous material of above-mentioned acid fiber by polylactic, as shown in figure 4, specifically
The following steps are included:
Step S1: shredding
Above-mentioned two-component acid fiber by polylactic and one-component acid fiber by polylactic are beaten with opener.
Because of acid fiber by polylactic ratio PET(polyethylene terephthalate) brittleness of fiber is bigger, and shredding number is more
It can cause damages, damage to fiber, so the fewer shredding number the better, this implementation under the premise of road uniformity after not influencing
The shredding number selected in example is 3 times.
Step S2: mixed silk floss
Two-component acid fiber by polylactic and one-component acid fiber by polylactic after adding shredding in proportion and through the mixed silk floss in big storehouse, mixing is more
Thoroughly to improve uniformity.
Step S3: continuous net is prepared
Mixed acid fiber by polylactic is prepared by continuous net using vibration plus combing or air lay.
Step S4: continuous net is folded
With Zhe Mian mechanism by continuous net folding at the direction perpendicular to continuous sample large area.
Step S5: hot air shaping
By baking oven and hot air shaping, low melting point acid fiber by polylactic, that is, two-component acid fiber by polylactic cortex is melted, material is able to
Acid fiber by polylactic uprightly continuous material head product is made in sizing.
130-160 DEG C of oven temperature in hot air shaping step, mesh belt speed 1.5-2.5m/min, rotation speed of fan 400-
500r/min.Specific technological parameter in the present embodiment are as follows: 160 DEG C of oven temperature, mesh belt speed 2.5m/s, rotation speed of fan
500r/min。
Step S6: cutting and winding
By latter equipment, to acid fiber by polylactic, uprightly continuous material is cut and is wound, and it is upright to obtain final acid fiber by polylactic
Continuous material.
Continuous sample result: soft, elasticity preferably, there is certain lancinating, and compression rebound 88%, longitudinal direction determine power elongation
180%.Continuous sample thickness 2cm, continuous sample entirety grammes per square metre is in 95 ~ 105 g/m2, i.e. the continuous sample grammes per square metre of 2cm thickness is 95 ~ 105 g/m2。
Embodiment two
Uprightly continuous material and preparation method thereof is basically the same as the first embodiment acid fiber by polylactic in the present embodiment, and distinctive points exist
In: uprightly continuous material is all prepared by two-component acid fiber by polylactic the polylactic acid in the present embodiment.
Two-component acid fiber by polylactic in the present embodiment: fiber number 3.25dtex, average length 56mm.
Embodiment three
Uprightly continuous material and preparation method thereof is basically the same as the first embodiment acid fiber by polylactic in the present embodiment, and distinctive points exist
In: polylactic acid in the present embodiment uprightly continuous material by the two-component acid fiber by polylactic of 20% mass parts and the poly- cream of 80% mass parts
Sour three-dimensional fiber is prepared, i.e. the poly- cream including 20g two-component acid fiber by polylactic and 80g of the upright continuous material of 100g polylactic acid
Sour three-dimensional fiber.
Two-component acid fiber by polylactic in the present embodiment: fiber number 2.53dtex, average length 62mm, 12/25mm of crispation number；
Polylactic acid three-dimensional fiber: fiber number 3.33dtex, average length 64mm, 12/25mm of crispation number.
Example IV
Uprightly continuous material and preparation method thereof is basically the same as the first embodiment acid fiber by polylactic in the present embodiment, and distinctive points exist
In: polylactic acid in the present embodiment uprightly continuous material by the two-component acid fiber by polylactic of 20% mass parts and the single group of 80% mass parts
Part acid fiber by polylactic is prepared, i.e. the list including 20g two-component acid fiber by polylactic and 80g of the upright continuous material of 100g polylactic acid
Component acid fiber by polylactic.
Two-component acid fiber by polylactic in the present embodiment: fiber number 2.89dtex, average length 42mm, 12/25mm of crispation number；
One-component acid fiber by polylactic: fiber number 4.85dtex, average length 57mm, 12/25mm of crispation number.
Embodiment five
Uprightly continuous material and preparation method thereof is basically the same as the first embodiment acid fiber by polylactic in the present embodiment, and distinctive points exist
In: polylactic acid in the present embodiment uprightly continuous material by the two-component acid fiber by polylactic of 20% mass parts, the single group of 40% mass parts
Part acid fiber by polylactic and the polylactic acid three-dimensional fiber of 40% mass parts are prepared, i.e. the packet of the upright continuous material of 100g polylactic acid
Include the polylactic acid three-dimensional fiber of 20g two-component acid fiber by polylactic, the one-component acid fiber by polylactic of 40g and 40g.
Two-component acid fiber by polylactic in the present embodiment: fiber number 2.22dtex, average length 38mm, 10/25mm of crispation number；
One-component acid fiber by polylactic: fiber number 5.42dtex, average length 61mm, 15/25mm of crispation number；Polylactic acid three-dimensional fiber: fine
Spend 5.78dtex, average length 68mm, 14/25mm of crispation number.
The present embodiment additionally provides a kind of preparation method of the upright continuous material of above-mentioned acid fiber by polylactic, as shown in figure 4, specifically
The following steps are included:
Step S1: shredding
Above-mentioned two-component acid fiber by polylactic, one-component acid fiber by polylactic, polylactic acid three-dimensional fiber are beaten with opener.
Because of acid fiber by polylactic ratio PET(polyethylene terephthalate) brittleness of fiber is bigger, and shredding number is more
It can cause damages, damage to fiber, so the fewer shredding number the better, this implementation under the premise of road uniformity after not influencing
The shredding number selected in example is 3 times.
Step S2: mixed silk floss
Two-component acid fiber by polylactic, one-component acid fiber by polylactic, polylactic acid three-dimensional fiber and warp after adding shredding in proportion is big
The mixed silk floss in storehouse, mixes more thoroughly to improve uniformity.
Step S3: continuous net is prepared
Mixed acid fiber by polylactic is prepared by continuous net using vibration plus combing or air lay.
Step S4: continuous net is folded
With Zhe Mian mechanism by continuous net folding at the direction perpendicular to continuous sample large area.
Step S5: hot air shaping
By baking oven and hot air shaping, low melting point acid fiber by polylactic, that is, two-component acid fiber by polylactic cortex is melted, material is able to
Acid fiber by polylactic uprightly continuous material head product is made in sizing.
130-160 DEG C of oven temperature in hot air shaping step, mesh belt speed 1.5-2.5m/min, rotation speed of fan 400-
500r/min.Specific technological parameter in the present embodiment are as follows: 130 DEG C of oven temperature, mesh belt speed 1.5m/s, rotation speed of fan
400r/min。
Step S6: cutting and winding
By latter equipment, to acid fiber by polylactic, uprightly continuous material is cut and is wound, and it is upright to obtain final acid fiber by polylactic
Continuous material.
Continuous sample result: soft, elasticity preferably, there is certain lancinating, and compression rebound 95%, longitudinal direction determine power elongation
120%.Continuous sample thickness 2cm, continuous sample entirety grammes per square metre is in 95 ~ 105 g/m2, i.e. the continuous sample grammes per square metre of 2cm thickness is 95 ~ 105 g/m2。
The upright continuous material of acid fiber by polylactic provided by the invention, is made upright continuous material for acid fiber by polylactic, so that protecting
While holding acid fiber by polylactic characteristic, the elasticity of continuous sample is increased by upright continuous preparation process, has upgraded each side of product
Face performance.Meanwhile upright continuous structure is also much better than tile arrangement in terms of thermal property.The system of the upright continuous material of acid fiber by polylactic
Upright continuous material is made by special raw material ratio and technological parameter, by acid fiber by polylactic in standby technique.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of upright continuous material of acid fiber by polylactic, it is characterised in that: the upright continuous material includes being located in the middle upright silk floss
The material of layer, the upright continuous layer is acid fiber by polylactic.
2. the upright continuous material of acid fiber by polylactic according to claim 1, it is characterised in that: the upright continuous material further includes
Tiling layer positioned at the above and or below of the upright continuous layer.
3. the upright continuous material of acid fiber by polylactic according to claim 2, it is characterised in that: the material of the tiling layer is poly-
Acid fiber.
4. the upright continuous material of acid fiber by polylactic according to claim 1, it is characterised in that: according to the mass fraction, described poly-
Acid fiber includes 20-100 parts of two-component acid fiber by polylactic, and the one-component acid fiber by polylactic no more than 80 parts is no more than 80
The polylactic acid three-dimensional fiber of part.
5. the upright continuous material of acid fiber by polylactic according to claim 4, it is characterised in that: according to the mass fraction, described double
Component acid fiber by polylactic includes 40-60 parts of cortex and 40-60 parts of sandwich layer, and the fusing point of the cortex is lower than the fusing point of sandwich layer
40-60℃。
6. the upright continuous material of acid fiber by polylactic according to claim 4 or 5, it is characterised in that: the two-component polylactic acid
The fiber number of fiber is 2.2-16.5dtex, average length 32-64mm.
7. the upright continuous material of acid fiber by polylactic according to claim 4, it is characterised in that: the one-component acid fiber by polylactic
Fusing point be 160-180 DEG C, fiber number 0.55-22.2dtex, average length 32-88mm.
8. the upright continuous material of acid fiber by polylactic according to claim 1, it is characterised in that: the upright silk floss of 1cm thickness
The grammes per square metre of material is 30-500g/m2。
9. a kind of preparation method of the upright continuous material of acid fiber by polylactic as described in claim 1 to 8 any one, feature exist
In, comprising the following steps: two-component acid fiber by polylactic, one-component acid fiber by polylactic, polylactic acid three-dimensional fiber opener are beaten
It is added in proportion in mixed continuous storehouse after pine and carries out mixed silk floss, and is processed into continuous net；Then use Zhe Mian mechanism by continuous net folding at vertical
Directly in continuous sample large area direction, and hot air shaping is carried out by baking oven, acid fiber by polylactic uprightly continuous material is made.
10. the preparation method of the upright continuous material of acid fiber by polylactic according to claim 9, it is characterised in that: the hot wind
130-160 DEG C of oven temperature in sizing, mesh belt speed 1-4m/min, rotation speed of fan 400-500r/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810193699.6A CN109402871A (en) | 2018-03-09 | 2018-03-09 | A kind of upright continuous material and preparation method thereof of acid fiber by polylactic |
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| CN201810193699.6A CN109402871A (en) | 2018-03-09 | 2018-03-09 | A kind of upright continuous material and preparation method thereof of acid fiber by polylactic |
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