CN107083668B - A kind of polylactic acid fiber fabric production pre-treating technology - Google Patents
A kind of polylactic acid fiber fabric production pre-treating technology Download PDFInfo
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- CN107083668B CN107083668B CN201710229851.7A CN201710229851A CN107083668B CN 107083668 B CN107083668 B CN 107083668B CN 201710229851 A CN201710229851 A CN 201710229851A CN 107083668 B CN107083668 B CN 107083668B
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- acid fiber
- polylactic acid
- temperature
- treating technology
- fiber fabric
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
- D06L1/06—De-sizing
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic System
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
Abstract
The invention discloses a kind of polylactic acid fiber fabrics to produce pre-treating technology, strongly declines serious problem under high temperature, alkaline condition for acid fiber by polylactic, using the biological enzyme desizing of wide temperature, is not necessarily to bleaching process；It is dried with non-contact type, temperature controls between 80~90 DEG C；Setting temperature is no more than 130 DEG C of X30sec.Using the pre-treating technology, enable to polylactic acid fiber fabric intensity good, soft, fabric property is retained to the greatest extent.
Description
Technical field
The present invention relates to acid fiber by polylactic production technical field, place before being produced more particularly to a kind of polylactic acid fiber fabric
Science and engineering skill.
Background technique
Acid fiber by polylactic Corn Fiber (PLA fiber) be using starch such as corn, wheats as raw material, it is fermented to be converted to cream
Acid is aggregated again, spinning and manufactured synthetic fibers.Belong to linear aliphatic race thermoplastic polyester, have soft smooth, intensity is big, inhales
The features such as penetrable ventilated, the product of processing have gloss as silk and comfortable skin sense of touch and feel, and drapability is good, also have good
Good heat resistance and anti-ultraviolet function.However, failing always after the fiber is developed from the nineties in last century in textile garment
It applies on a large scale in field
There is long corn planting history in China, and corn resources are abundant, cultivated area and its extensively.Corn is annual
Gramineous herbaceous plant and the highest cereal crops of whole world total output.As it is a kind of green, degradable natural resources,
Meet world trends to develop acid fiber by polylactic, can not only save using resource, but also has adapted to people and enjoyed life, pursue certainly
Right psychology and psychological need, is of great significance.
Acid fiber by polylactic is to belong to using the obtained lactic acid of starch as raw material and complete natural circulation type all, have biological degradability
Fiber.The fiber does not use the industrial chemicals such as petroleum completely, can under microbial action of the waste in soil and seawater
Carbon dioxide and water are resolved into, earth environment will not be polluted.Since the initial feed of the fiber is starch, the circulating cycle of regeneration
Phase is short, and about 1 to two year, the carbon dioxide generated can be reduced content in an atmosphere by photosynthesis of plant.Burning is poly-
Acid fiber, almost without nitric oxide, the combustion heat is polyethylene and polyacrylic one third or so.
The fibre section of acid fiber by polylactic is generally circular, and surface is smooth.Density: 1.25g/cm3 is less than natural fiber
And PET fiber.Refractive index: 1.35~1.45, it is smaller than PET fiber.Hot property: PLA is a kind of rigid polymer at room temperature.Its
Glass transition temperature (Tg) is generally 55~65 DEG C, and melting temperature (Tm) is 160~170 DEG C.Crimpiness: pass through processing, polylactic acid
Fiber can get good crimpness and curling persistence.Intensity: breaking strength is 32~36cN/tex, is higher than natural fine
Dimension, and can change with the difference of undrawn yarn draw ratio.At room temperature, intensity will not be because the change of humidity be by corresponding shadow
It rings, but as other chemical fibres, there are very little but measurable elongations in terms of elongation.When the temperature increases, intensity meeting
Sharply decline with the elongation of fiber, this is a kind of characteristic common in synthetic fibers.Regain: there is extremely low regain
(0.4%~0.6%), it is more much lower than natural fiber, it is higher than polyester fiber.It is flammable: although PLA is not belonging to flame-retardant polymer,
But the fiber has good self-extinguishment, and burning fuming amount is low.And compared with most of fibers, the PLA limit also with higher
Oxygen index (OI) (LOI), it means that light it and need more oxygen, so lighting more difficult.Uviolresistance: with other conjunctions
At fiber difference, PLA does not generate light absorption in visible range.In this way, when PLA is exposed under ultraviolet light, with petroleum base
Fiber is compared, and loss of strength is seldom.Wet guilding: PLA has excellent Plug design.The performance adds its wet-guide quick-drying, assigns
The good inner moisture management characteristic of PLA fiber is given.Antibiotic property: although corresponding final finishing is not taken in the production of PLA fiber
Technique, itself does not have antibiotic property, but it will not provide food source for microorganism.In addition Odori-ence and
It has been shown that for foul smell retention, PLA fabric is better than PET fabric for the test of Engineering company.Chemical stability: by
It is a kind of linear aliphatic race fiber in PLA, hydrolytic Resistance is mutually on duty.This means that mistake of the fiber in dyeing and final finishing
It must be more careful in journey.Each component content is similar with hemp in acid fiber by polylactic, content of cellulose 48.54%, pectin substance
13.49%, lignin 9.29%.Acid fiber by polylactic handles the degradation that will lead to acid fiber by polylactic with highly basic intolerant to highly basic.Poly- cream
The main purpose of sour fiber pre-treatment is the greasy dirt removed in fabrication processes, dust and slurry, since acid fiber by polylactic is new
Therefore type textile fabric, the prior art give birth to greatly the research and development also very big shortcoming of polylactic acid fiber fabric pre-treatment in progress
It is necessary for producing the pre-treating technology research and development of dyeing and finishing processing.
Summary of the invention
The present invention provides a kind of polylactic acid fiber fabric production pre-treating technology aiming at above-mentioned defect.Needle
The problem of strongly declining under high temperature, alkaline condition to polylactic acid fiber fabric is not necessarily to bleaching process using wide warm enzyme desizing；
It is dried with non-contact type, temperature controls between 80~90 DEG C；Setting temperature is no more than 130 DEG C of X30sec.Using the preceding place
Science and engineering skill enables to acid fiber by polylactic intensity good, and soft, fabric property is retained to the greatest extent.
A kind of polylactic acid fiber fabric production pre-treating technology technical solution of the invention be successively include turn over seam, desizing,
Soda boiling decatize deoils, chain drying, is formed.
The desizing is using wide warm enzyme desizing.
The wide warm enzyme desizing, using 4g/L enzyme lotion, 4g/L bleeding agent boils 70 DEG C, 30min, bath raio 1:30.
The soda boiling decatize is deoiled technique, includes 20g/L soda ash using inorganic agent, and 5g/L deoils clever 240 (Zhejiang daily use chemicals),
5g/L deoils clever TF106BA, and 3g/L bleeding agent, surplus is water.Every 500L inorganic agent handles fabric 1500m, about 675KG.
The enzyme lotion is alpha amylase 2000L (Novi's letter), and the bleeding agent is that (Zhejiang passes infiltration monomer TF-1071
Change).
The soda boiling decatize is deoiled technique, and soda boiling temperature is 100 DEG C, time 90min.
The setting temperature is 130 DEG C, setting time 30s.
A kind of polylactic acid fiber fabric production pre-treating technology of the invention has the beneficial effect that
Acid fiber by polylactic has raw material recyclable regenerative using renewable resources such as biomass as raw material, and product is degradable, anti-
Bacterium, it is fire-retardant, wearability is good the advantages that, have huge industrialization prospect.Novel biomass composite fibre materials are developed, are become
Collect biochemical industry, advanced separation, polymerization, processing of high molecular material, fiber weaving, dyeing and finishing and the technology-intensive industry of functional clothing
Field hot spot.Acid fiber by polylactic structure and performance compared to conventional polyester (PET) fiber alkaline-resisting, temperature tolerance is poor, polylactic acid and
Weaving, pretreatment technology and the finishing technique of blended fabric are main bottlenecks.The poly- cream of high-quality is studied in terms of textile material
Polylactic acid fiber fabric is carried out industrialization by sour fiber pre-treatment processing technology, that is, is had and optimized product structure, improve textile
Competitiveness and economic reality meaning also have long-range strategic importance in strategic new industry field.
The present invention is moved back aiming at the problem that polylactic acid fiber fabric strongly declines under high temperature, alkaline condition using high temperature enzyme
Slurry is not necessarily to bleaching process；It is dried with non-contact type, temperature controls between 80~90 DEG C；Setting temperature is no more than 130 DEG C
X30sec.Using the pre-treating technology, enable to polylactic acid fiber fabric intensity good, soft, fabric property obtains most
The reservation of big degree.
Polylactic acid fiber fabric pre-treatment processing technology research of the invention not only has and changes textile fiber material update
Generation, industry industry restructuring have practical significance, and can use can biodegradable fiber type be raw material, comprehensive utilization give birth to
Substance natural resources, reduce environmental pollution, and have an epoch-marking significance in terms of exploitation green product, will become new century fiber
Production and the important clothes product in application.Fabric produced by the invention makes modern clothing enter one with biomass
For raw material, it can be achieved that the new era of circular economy industrial, can be greatly improved the attached of clothes using the fabric that tencel is developed
It is value added.
Specific embodiment:
For a better understanding of the present invention, below with specific example come the technical solution that the present invention will be described in detail, but this
Invention is not limited thereto.
Embodiment 1
A kind of polylactic acid fiber fabric production pre-treating technology technical solution of the invention be successively include turn over seam, desizing,
Soda boiling decatize deoils, chain drying, is formed.
The desizing is using wide warm enzyme desizing.
The wide warm enzyme desizing, using 4g/L enzyme lotion, 4g/L bleeding agent boils 70 DEG C, 30min, bath raio 1:30.
The soda boiling decatize is deoiled technique, includes 20g/L soda ash using inorganic agent, and 5g/L 240, the 5g/L of spirit that deoils deoils spirit
TF106BA, 3g/L bleeding agent, surplus are water, and every 500L inorganic agent handles 1500 meters of fabric, about 675KG.
The soda boiling decatize is deoiled technique, and soda boiling temperature is 100 DEG C, time 90min.
The setting temperature is 130 DEG C, setting time 30s.
Following experimental example:
Experiment cloth: once satin weave on acid fiber by polylactic 40X40 140X (65+65) four
Test auxiliary agent: enzyme lotion (alpha amylase 2000L) (Novi's letter), (Zhejiang passes bleeding agent (infiltration monomer TF-1071)
Change), soda ash, hydrogen peroxide (27.5%), chelating agent PCA (section is triumphant), stabilizer P (section is triumphant), clever 240 (Zhejiang daily use chemicals) of deoiling, go
Oil spirit TF106BA (the Zhejiang development of evil in febrile disease)
Experimental facilities: overflow machine, open width J-type crawler belt scouring and bleaching machine, cloth gripper forming machine
Test item: strength (does strong, wet strong) GB-T3923.1, whiteness (colour photometer Datacolor600)
Experimental example 1
Acid fiber by polylactic strength is tested
Experiment flow: water filling 50L (60 DEG C) → enter cloth → tune PH to 5 → 80 DEG C of heating (2 DEG C/min) → it is warming up to specified
Temperature (1 DEG C/min) → heat preservation is washed → is cooled to 70 DEG C (1 DEG C/min) → emptying → cropping → drying → test index, see
The water-fastness temperature experimental result of 1 polylactic acid fiber fabric fabric of table.
The water-fastness temperature experiment strength (N) of 1 polylactic acid fiber fabrics of table
Dropped when temperature is 105 DEG C of time 30min strong by 30%, 60min drop is strong by 36% at 110 DEG C, therefore in entire dyeing and finishing
Avoiding temperature in process as far as possible is more than 105 DEG C, and the time is more than 90min processing technology.
Experimental example 2
Experiment flow: dry leaching cloth → enzyme moves back working solution and boils 70 DEG C of X30min (bath raio 1:30) → 70 DEG C hot water wash → oxygen bleaching works
70 DEG C, 80 DEG C, 100 DEG C of X50min (bath raio 1:30) → 70 DEG C, 80 DEG C, 100 DEG C of hot water wash → 90 DEG C are boiled as liquid
2 acid fiber by polylactic oxygen bleaching of table experiment
Experimental result is as shown in table 3:
Conclusion: by experiment as can be seen that enzyme moves back plus 70 DEG C of oxygen bleaching pre-treatment effects are preferable, fabric strength loss is minimum.
90% or more fabric strength retention rate, oxygen bleaching process whiteness has no raising, therefore can be increased without oxygen bleaching.
Experimental example 3
Influence of the polylactic acid fiber fabrics different pre-treatments technique to feel and decrement
By different soda ash dosage, desizing temperature and time, preferably best decatize is deoiled process conditions.Due to the fabric
It is chemical synthetic fiber, whiteness can preferably not have to bleaching process.
Specific experiment step is see table 4:
Table 4
Experimental result please be shown in Table 5:
Table 5
With the increase of soda ash dosage it can be seen from testing above, feel improves, and soft, fabric strength is without under
Drop, whiteness slightly reduce, and weight reduces 7%, and soda ash dosage 20g/L can be selected in soda boiling.
Experimental example 4
The experiment of soda boiling steam temperature
Specific experiment parameter is see table 6
Table 6
Experimental result is see table 7
Table 7
It is therefore seen that feel improves with the promotion of temperature, soft, high resilience, fabric strength is without decline, alkali
Temperature control is boiled at 100 DEG C.
Experimental example 5
The experiment of soda boiling steaming time
Specific experiment parameter is see table 8
Table 8
Experimental result is see table 9
Table 9
It can be seen that drop is strong less at 90 DEG C of soda boiling temperature, but capillary effect is lower, when 100 DEG C of temperature, time 90min, instantaneously
Capillary effect is 3cm, and is normally being dropped in strong range, therefore selects 100 DEG C of X90min soda boilings.
By testing above, soda ash dosage increase temperature is higher, and feel is better, from test index and cloth cover feel Wei
Point, soda ash 20g/L when soda boiling, 100 DEG C of temperature, time 90min effect is best, soft, and high resilience, and is normally dropping
In strong range, while different process can also be selected according to different feels, drying optimum mode is non-contact type drying.
Experimental example 6
Due to acid fiber by polylactic category synthetic fibers, need to carry out heat setting fabrics to improve the strength, feel and ruler of fabric
Very little stability.Acid fiber by polylactic fusing point is lower about at 175 DEG C, and therefore, setting temperature must be grasped, and otherwise fabric will damage.
The experiment of acid fiber by polylactic setting temperature, specific experiment parameter is see table 10
Table 10
Setting temperature and time fabric feeling and style
1. 120 DEG C of X30sec fabrics are too soft, no body bone.
2. 130 DEG C of X30sec are soft, and high resilience.
3. 150 DEG C of X30sec feels slightly have harsh feeling, drop strong by 36% or so.
4. 170 DEG C of X30sec feels are stiff, drop is strong serious, loses fabric property.
It can be seen that
(1) desizing is good using high temperature enzyme desizing effect, and 90% or more fabric strength retention rate is increased without oxygen bleaching process.
(2) it is dried from wet to dry with contact, most easily fabric is made to be hardened, optimum is non-contact type drying, temperature control
System is between 80~90 DEG C.
(3) strict control processing temperature is wanted, setting temperature is no more than 130 DEG C of X30sec, and fabrics feel soft is rich in bullet
Property and strength highest, 120 DEG C of press fabrics are too soft, 150 DEG C of setting feels slightly have harsh feeling, illustrate that polylactic acid fiber fabric is heat-resisting
Property is poor.
Claims (4)
1. a kind of polylactic acid fiber fabric produces pre-treating technology, which is characterized in that successively include turning over seam, desizing, soda boiling decatize
It deoils, chain drying, sizing；
The desizing uses 4g/L enzyme lotion using wide warm enzyme desizing, the wide warm enzyme desizing, and 4g/L bleeding agent boils 70 DEG C,
30min, bath raio 1:30；
The soda boiling decatize is deoiled technique, includes 20g/L soda ash using inorganic agent, and 5g/L 240, the 5g/L of spirit that deoils deoils spirit
TF106BA, 3g/L bleeding agent, surplus are water, and every 500L inorganic agent handles fabric 675KG；
The soda boiling decatize is deoiled technique, and soda boiling temperature is 100 DEG C, time 90min.
2. a kind of polylactic acid fiber fabric according to claim 1 produces pre-treating technology, which is characterized in that the enzyme is washed
Agent is alpha amylase 2000L, and the bleeding agent is infiltration monomer TF-1071.
3. a kind of polylactic acid fiber fabric according to claim 1 produces pre-treating technology, which is characterized in that the infiltration
Agent is infiltration monomer TF-1071.
4. a kind of polylactic acid fiber fabric according to claim 1 produces pre-treating technology, which is characterized in that the sizing
Temperature is 130 DEG C, setting time 30s.
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| CN101082154A (en) * | 2006-05-31 | 2007-12-05 | 山东理工大学 | Dyeing technique for polylactic acid fabric/cotton blended shuttle weaving |
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| CN101082154A (en) * | 2006-05-31 | 2007-12-05 | 山东理工大学 | Dyeing technique for polylactic acid fabric/cotton blended shuttle weaving |
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