CN112458556A - Production method of durable water-repellent polypropylene fiber - Google Patents

Production method of durable water-repellent polypropylene fiber Download PDF

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Publication number
CN112458556A
CN112458556A CN202011362940.7A CN202011362940A CN112458556A CN 112458556 A CN112458556 A CN 112458556A CN 202011362940 A CN202011362940 A CN 202011362940A CN 112458556 A CN112458556 A CN 112458556A
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Prior art keywords
polypropylene
repellent
protofilament
temperature
durable water
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CN202011362940.7A
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Chinese (zh)
Inventor
孙建江
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Ningbo I'lan Fabrics Co ltd
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Ningbo I'lan Fabrics Co ltd
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/096—Humidity control, or oiling, of filaments, threads or the like, leaving the spinnerettes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/12—Stretch-spinning methods
    • D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Artificial Filaments (AREA)

Abstract

The invention relates to the technical field of production of polypropylene fibers, in particular to a production method of durable water-repellent polypropylene fibers. The production method of the durable water-repellent polypropylene fiber is characterized by comprising the following steps: the method comprises the following steps: use PP (polypropylene) section and masterbatch as the raw materials, the interpolation proportion of masterbatch is 1-13% of PP section weight, add waterproof masterbatch as the additive, raw materials and additive add and heat and mix in the screw extruder and obtain the polypropylene fibre precursor through spouting the spinning pack blowout after, carry out cooling solidification to molten state polypropylene fibre precursor, the polypropylene fibre precursor after the side blow solidification is through oiling in order to eliminate static, the polypropylene fibre precursor after will oiling is through 4 stretching the inherent molecular structure who improves the polypropylene fibre precursor to the drawing roll of heating, the polypropylene fibre is stereotyped in passing through the second heating box after the drawing. The invention has the advantages that: the waterproof master batch is added in the production of the original polypropylene fiber, so that the polypropylene fiber has the functions of water resistance, oil resistance and stain resistance.

Description

Production method of durable water-repellent polypropylene fiber
Technical Field
The invention relates to the technical field of production of polypropylene fibers, in particular to a production method of durable water-repellent polypropylene fibers.
Background
Along with the improvement of the living standard of human beings, functional textiles are more and more favored, and among them, water-repellent and oil-repellent textile fabrics with waterproof, oil-proof and antifouling functions become the main development direction due to the good pollution resistance. However, the traditional water-repellent fabric is obtained by applying a water-repellent and oil-repellent finishing agent to the fabric in the post-finishing stage, and the finishing agent is not easy to enter between fibers in the treatment method, so the treatment effect is not ideal and is not durable.
Disclosure of Invention
The invention provides a production method of durable water-repellent polypropylene fibers, aiming at solving the technical problems that the existing water-repellent fabric is not ideal in treatment effect and not durable.
The technical scheme of the invention is as follows:
the production method of the durable water-repellent polypropylene fiber is characterized by comprising the following steps: the method comprises the following steps:
Figure 403653DEST_PATH_IMAGE001
preparing durable water-repellent polypropylene fiber, taking PP (polypropylene) slices and color master batches as raw materials, wherein the adding proportion of the color master batches is 1-13% of the weight of the PP slices, adding waterproof master batches as additives, and adding the raw materials and the additives into a screw extruder for heating and mixing;
Figure 603690DEST_PATH_IMAGE002
heating and mixing the raw materials and the additives added into the screw extruder, and then spraying the mixture on a spinneret plate through a spinneret assembly to obtain polypropylene raw yarns;
Figure 3578DEST_PATH_IMAGE003
carrying out first strong cooling solidification on the polypropylene protofilament in a molten state, and applying cooling air to the polypropylene protofilament from the back surface within the range of 100-200m away from the spinneret plate;
Figure 23487DEST_PATH_IMAGE004
the polypropylene protofilament after the first strong cold curing is continuously cooled and cured for the second time, and cooling air is applied to the polypropylene protofilament from the back surface within the range of 300-600m away from the spinneret plate;
Figure 167023DEST_PATH_IMAGE005
the polypropylene protofilament after the side blowing and curing is oiled to eliminate static electricity, so that high-temperature high-power stretching is facilitated;
Figure 221567DEST_PATH_IMAGE006
stretching the oiled polypropylene protofilament by 4 pairs of heated stretching rollers to improve the internal molecular structure of the polypropylene protofilament, and stretching the polypropylene protofilament by 4 pairs of stretching rollers once;
Figure 57936DEST_PATH_IMAGE007
and (3) passing the stretched polypropylene fiber yarns through a second heating box for shaping.
The screw temperature of the first zone of the screw extruder is 200-220 ℃, the screw temperature of the second zone is 210-230 ℃, the screw temperature of the third zone is 240-260 ℃ and the screw temperature of the fourth zone is 240-260 ℃.
The number of the spinneret plate holes is more than or equal to 36.
The first strong cooling solidification side air blowing cooling temperature is 9-12 ℃.
The cooling temperature of the secondary cooling solidification side air blow is 35-45 ℃.
The first stretching roller temperature is 100-120 ℃, the second stretching roller temperature is 100-120 ℃, the third stretching roller temperature is 100-120 ℃, and the fourth stretching roller temperature is 120-130 ℃.
The additive comprises an antioxidant and an ultraviolet absorber.
By using the technical scheme of the invention, the waterproof master batch is added in the production of the initial polypropylene fiber, so that the polypropylene fiber has the waterproof, oil-proof and antifouling functions without the need of later spraying and dip-dyeing processes, and the waterproof, oil-proof and antifouling functions have ideal effects and are durable.
Detailed Description
The present invention is further illustrated by the following examples, which are provided for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
The production method of the durable water-repellent polypropylene fiber comprises the following steps:
Figure 830720DEST_PATH_IMAGE001
preparing durable water-repellent polypropylene fiber, taking a PP (polypropylene) slice and color master batches as raw materials, adding 12% of the color master batches by weight of the PP slice, adding 4% of a waterproof master batch, 4% of an antioxidant and 4% of an ultraviolet absorbent as additives, adding the raw materials and the additives into a feeding port in a screw extruder, heating and mixing, wherein the temperature of a screw in a first zone of the screw extruder is 210 ℃, the temperature of a screw in a second zone of the screw extruder is 225 ℃, the temperature of a screw in a third zone of the screw extruder is 250 ℃, and the temperature of a screw in a fourth zone of the screw extruder is 250 ℃;
Figure 309106DEST_PATH_IMAGE002
heating and mixing the raw materials and the additives added into the screw extruder, and then spraying the mixture on a spinneret plate through a spinneret assembly to obtain polypropylene protofilaments, wherein the number of holes of the spinneret plate is 36;
Figure 359101DEST_PATH_IMAGE003
carrying out first strong cooling solidification on the polypropylene protofilament in a molten state, and applying cooling air with the temperature of 10 ℃ to the polypropylene protofilament from the back surface within the range of 100-200m away from the spinneret plate;
Figure 225426DEST_PATH_IMAGE004
the polypropylene protofilament after the first strong cold curing is continuously cooled and cured for the second time, and cooling air with the temperature of 40 ℃ is applied to the polypropylene protofilament from the back surface within the range of 300-600m away from the spinneret plate;
Figure 360873DEST_PATH_IMAGE005
the polypropylene protofilament after the side blowing and curing is oiled to eliminate static electricity, so that high-temperature high-power stretching is facilitated;
Figure 970845DEST_PATH_IMAGE006
the oiled polypropylene protofilament is stretched by 4 pairs of heating stretching rollers to improve the internal molecular structure of the polypropylene protofilament, the polypropylene protofilament passes through 4 pairs of stretching rollers at one time to be stretched, wherein the temperature of the first stretching roller is 110 ℃, the temperature of the second stretching roller is 110 ℃, the temperature of the third stretching roller is 110 ℃, and the temperature of the fourth stretching roller is 125 ℃.
Figure 609768DEST_PATH_IMAGE007
And (3) passing the stretched polypropylene fiber yarns through a second heating box for shaping.
The production method of the durable water-repellent polypropylene fiber is different from the traditional mode, the traditional water-repellent fabric is obtained by applying a water-repellent and oil-repellent finishing agent to the fabric in the post-finishing stage, the finishing agent is not easy to enter between the fibers in the treatment method, so the treatment effect is not ideal and durable, and the production method adds the waterproof master batch in the initial production of the polypropylene fiber, so that the polypropylene fiber has the functions of water resistance, oil resistance and stain resistance, does not need the subsequent spraying and dip-dyeing processes, and has ideal effects of the water resistance, the oil resistance and the stain resistance and is durable.
In the industry, a test method of aatcc 22 is usually used for waterproof test of fabrics, a test sample is washed for 3 times and then tested for waterproof performance, the test result of the test sample produced by the existing production process can only reach 80 minutes, while the test result of the test sample produced by the production method of the invention can reach 90 minutes, and the production method of the invention can be used for producing polypropylene fiber materials with better waterproof performance and better durability.
It should be understood that the above-mentioned embodiments are merely preferred examples of the present invention, and not restrictive, but rather, all the changes, substitutions, alterations and modifications that come within the spirit and scope of the invention as described above may be made by those skilled in the art, and all the changes, substitutions, alterations and modifications that fall within the scope of the appended claims should be construed as being included in the present invention.

Claims (7)

1. The production method of the durable water-repellent polypropylene fiber is characterized by comprising the following steps: the method comprises the following steps:
Figure 874569DEST_PATH_IMAGE001
preparing durable water-repellent polypropylene fiber, taking PP (polypropylene) slices and color master batches as raw materials, wherein the adding proportion of the color master batches is 1-13% of the weight of the PP slices, adding waterproof master batches as additives, and adding the raw materials and the additives into a screw extruder for heating and mixing;
Figure 57289DEST_PATH_IMAGE002
heating and mixing the raw materials and the additives added into the screw extruder, and then spraying the mixture on a spinneret plate through a spinneret assembly to obtain polypropylene raw yarns;
Figure 40288DEST_PATH_IMAGE003
carrying out first strong cooling solidification on the polypropylene protofilament in a molten state, and applying cooling air to the polypropylene protofilament from the back surface within the range of 100-200m away from the spinneret plate;
Figure 576443DEST_PATH_IMAGE004
the polypropylene protofilament after the first strong cold curing is continuously cooled and cured for the second time, and cooling air is applied to the polypropylene protofilament from the back surface within the range of 300-600m away from the spinneret plate;
Figure 328498DEST_PATH_IMAGE005
the polypropylene protofilament after the side blowing and curing is oiled to eliminate static electricity, so that high-temperature high-power stretching is facilitated;
Figure 682119DEST_PATH_IMAGE006
stretching the oiled polypropylene protofilament by 4 pairs of heated stretching rollers to improve the internal molecular structure of the polypropylene protofilament, and stretching the polypropylene protofilament by 4 pairs of stretching rollers once;
Figure 152415DEST_PATH_IMAGE007
and (3) passing the stretched polypropylene fiber yarns through a second heating box for shaping.
2. The method for producing durable water-repellent polypropylene fibers according to claim 1, wherein: the screw temperature of the first zone of the screw extruder is 200-220 ℃, the screw temperature of the second zone is 210-230 ℃, the screw temperature of the third zone is 240-260 ℃ and the screw temperature of the fourth zone is 240-260 ℃.
3. The method for producing durable water-repellent polypropylene fibers according to claim 1, wherein: the number of the spinneret plate holes is more than or equal to 36.
4. The method for producing durable water-repellent polypropylene fibers according to claim 1, wherein: the first strong cooling solidification side air blowing cooling temperature is 9-12 ℃.
5. The method for producing durable water-repellent polypropylene fibers according to claim 1, wherein: the cooling temperature of the secondary cooling solidification side air blow is 35-45 ℃.
6. The method for producing durable water-repellent polypropylene fibers according to claim 1, wherein: the first stretching roller temperature is 100-120 ℃, the second stretching roller temperature is 100-120 ℃, the third stretching roller temperature is 100-120 ℃, and the fourth stretching roller temperature is 120-130 ℃.
7. The method for producing durable water-repellent polypropylene fibers according to claim 1, wherein: the additive comprises an antioxidant and an ultraviolet absorber.
CN202011362940.7A 2020-11-27 2020-11-27 Production method of durable water-repellent polypropylene fiber Pending CN112458556A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115852510A (en) * 2022-11-28 2023-03-28 广东蒙泰高新纤维股份有限公司 A long-lasting water-repellent upright door and window sealing top special yarn and its preparation method
CN116988175A (en) * 2023-08-04 2023-11-03 上海水星家用纺织品股份有限公司 A composite fiber with high moisture resistance and high bulkiness properties and its preparation method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1818158A (en) * 2005-06-27 2006-08-16 江苏泽天化纤有限公司 High strength and low extending thick Denier polypropylene yarns and production thereof
KR101108349B1 (en) * 2011-06-09 2012-01-30 권구중 Improved awning manufacturing method and awning using the same
CN104790054A (en) * 2014-01-20 2015-07-22 新光合成纤维股份有限公司 Method for producing fiber having low surface energy, yarn, and fabric
CN106400132A (en) * 2016-11-14 2017-02-15 浙江理工大学 Processing technology of veneer two-tone polypropylene filament yarn
CN106702520A (en) * 2015-08-06 2017-05-24 江苏开利地毯股份有限公司 Method for producing water-repellent anti-fouling type polypropylene BCF filament
CN206646197U (en) * 2017-03-17 2017-11-17 广州市兰精化纤有限公司 A kind of production system of waterproof polypropylene filament yarn
CN111575808A (en) * 2020-04-21 2020-08-25 崔金益 Production method of waterproof antistatic polyester filament

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1818158A (en) * 2005-06-27 2006-08-16 江苏泽天化纤有限公司 High strength and low extending thick Denier polypropylene yarns and production thereof
KR101108349B1 (en) * 2011-06-09 2012-01-30 권구중 Improved awning manufacturing method and awning using the same
CN104790054A (en) * 2014-01-20 2015-07-22 新光合成纤维股份有限公司 Method for producing fiber having low surface energy, yarn, and fabric
CN106702520A (en) * 2015-08-06 2017-05-24 江苏开利地毯股份有限公司 Method for producing water-repellent anti-fouling type polypropylene BCF filament
CN106400132A (en) * 2016-11-14 2017-02-15 浙江理工大学 Processing technology of veneer two-tone polypropylene filament yarn
CN206646197U (en) * 2017-03-17 2017-11-17 广州市兰精化纤有限公司 A kind of production system of waterproof polypropylene filament yarn
CN111575808A (en) * 2020-04-21 2020-08-25 崔金益 Production method of waterproof antistatic polyester filament

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115852510A (en) * 2022-11-28 2023-03-28 广东蒙泰高新纤维股份有限公司 A long-lasting water-repellent upright door and window sealing top special yarn and its preparation method
CN116988175A (en) * 2023-08-04 2023-11-03 上海水星家用纺织品股份有限公司 A composite fiber with high moisture resistance and high bulkiness properties and its preparation method

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Application publication date: 20210309