CN112726238B - Hollow polyester fiber floating mooring rope and manufacturing method thereof - Google Patents
Hollow polyester fiber floating mooring rope and manufacturing method thereof Download PDFInfo
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- CN112726238B CN112726238B CN202011578180.3A CN202011578180A CN112726238B CN 112726238 B CN112726238 B CN 112726238B CN 202011578180 A CN202011578180 A CN 202011578180A CN 112726238 B CN112726238 B CN 112726238B
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- 229920000728 polyester Polymers 0.000 title claims abstract description 206
- 239000000835 fiber Substances 0.000 title claims abstract description 164
- 238000007667 floating Methods 0.000 title claims abstract description 63
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 24
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 23
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 21
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 claims abstract description 21
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229940112669 cuprous oxide Drugs 0.000 claims abstract description 21
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000002131 composite material Substances 0.000 claims abstract description 19
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 19
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000002360 preparation method Methods 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 13
- 238000009987 spinning Methods 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 8
- 238000009954 braiding Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 150000001732 carboxylic acid derivatives Chemical group 0.000 claims description 5
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 5
- 238000002074 melt spinning Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- -1 polypropylene Polymers 0.000 description 7
- 239000004743 Polypropylene Substances 0.000 description 5
- 230000000844 anti-bacterial effect Effects 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- 230000003373 anti-fouling effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012510 hollow fiber Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 241001083847 Berberis Species 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 150000007970 thio esters Chemical class 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/20—Adaptations of chains, ropes, hawsers, or the like, or of parts thereof
-
- 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
- D01D5/098—Melt spinning methods with simultaneous stretching
-
- 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
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
-
- 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
- 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
- D01F1/103—Agents inhibiting growth of microorganisms
-
- 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
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/06—Braid or lace serving particular purposes
- D04C1/12—Cords, lines, or tows
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/20—Organic high polymers
- D07B2205/2039—Polyesters
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/2065—Reducing wear
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2061—Ship moorings
Abstract
The hollow polyester fiber floating mooring rope is a fiber rope made of hollow polyester fibers, a plurality of through cavities distributed along the axial direction of the hollow polyester fibers are arranged in the hollow polyester fibers, the through cavities are identical in shape and symmetrically distributed by taking the center of the hollow polyester fibers as a symmetrical axis, the hollow rate of the hollow polyester fibers is 25-40%, and the density is 0.95-1.00g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the Wherein, the hollow polyester fiber is prepared from a polyester modified composite material, and the preparation raw materials of the polyester modified composite material comprise: the antibacterial agent comprises a polyester slice, an ethylene-vinyl acetate copolymer, an antioxidant 1010, an auxiliary antioxidant DLTP and a nano silver-loaded cuprous oxide antibacterial agent, wherein the mass of the ethylene-vinyl acetate copolymer is 1.2-3.5 per mill of the mass of the polyester slice, the mass of the antioxidant 1010 is 0.1-2.5 per mill of the mass of the polyester slice, the mass of the auxiliary antioxidant DLTP is 0.5-1.2 per mill of the mass of the polyester slice, and the mass of the nano silver-loaded cuprous oxide antibacterial agent is 0.1-2.0 per mill of the mass of the polyester slice.
Description
Technical Field
The application belongs to the technical field of fiber ropes, and particularly relates to a hollow polyester fiber floating mooring rope and a manufacturing method thereof.
Background
The large ship stably and safely stops at the wharf without leaving the mahonia of the mooring rope, and the mooring rope mainly made of polypropylene, polyester and polyamide fibers is used as the mooring rope at present, but in the practical use process, the mooring rope has a plurality of problems, for example, the polypropylene rope can float on the water surface although the specific gravity is smaller than that of water, but the polypropylene fiber is not resistant to ultraviolet rays, is easy to age under the irradiation of sunlight and has poor durability; the polyester and polyamide ropes have high specific gravity, are not easy to be found when immersed in water in use, are easy to cause accidents caused by winding the ropes around the screw, and can be mildewed and attached to organisms on the surfaces of the ropes along with the increase of the service time, so that the further use is influenced. These problems have become a long-standing technical problem in the art, and with the development of the ship industry, new requirements are gradually put forward on mechanical properties such as mooring rope safety, wear resistance, breaking strength, antibacterial and antifouling effects and antibacterial and antifouling functions, and particularly higher requirements are put forward on floating water property.
Disclosure of Invention
In view of the above, in one aspect, an embodiment of the present application discloses a hollow polyester fiber floating mooring rope, which is characterized in that the floating mooring rope is a fiber rope made of hollow polyester fiber, the hollow polyester fiber is internally provided with a plurality of through cavities distributed along the axial direction of the hollow polyester fiber, the plurality of through cavities have the same shape and are symmetrically distributed by taking the center of the hollow polyester fiber as a symmetrical axis, the hollow rate of the hollow polyester fiber is 25-40%, and the density is 0.95-1.00g/cm 3 ；
Wherein, the hollow polyester fiber is prepared from a polyester modified composite material, and the preparation raw materials of the polyester modified composite material comprise: the antibacterial agent comprises a polyester slice, an ethylene-vinyl acetate copolymer, an antioxidant 1010, an auxiliary antioxidant DLTP and a nano silver-loaded cuprous oxide antibacterial agent, wherein the mass of the ethylene-vinyl acetate copolymer is 1.2-3.5 per mill of the mass of the polyester slice, the mass of the antioxidant 1010 is 0.1-2.5 per mill of the mass of the polyester slice, the mass of the auxiliary antioxidant DLTP is 0.5-1.2 per mill of the mass of the polyester slice, and the mass of the nano silver-loaded cuprous oxide antibacterial agent is 0.1-2.0 per mill of the mass of the polyester slice.
Some embodiments disclose hollow polyester fiber floating mooring lines with 3 or 4 through cavities.
Some embodiments disclose hollow polyester fiber floating mooring lines, the through cavity being circular or elliptical in shape.
Some embodiments disclose hollow polyester fiber floating mooring ropes, and the particle size of the nano silver-loaded cuprous oxide antibacterial agent is 20-50 nm.
Some embodiments disclose hollow polyester fiber floating mooring lines that are twisted or braided.
In another aspect, some embodiments disclose a method of making a hollow polyester fiber floating mooring line for making a hollow polyester fiber floating mooring line, comprising:
(1) Granulating the polyester chip, the ethylene-vinyl acetate copolymer, the antioxidant 1010, the auxiliary antioxidant DLTP and the nano silver-loaded cuprous oxide antibacterial agent in a granulator to obtain a polyester modified composite material;
(2) Melt spinning the polyester modified composite material by a double-screw extruder, and metering and extruding the extrudate from a special spinneret plate by a metering pump arranged at an outlet of the double screw; the special-shaped spinneret plate comprises a plurality of regularly distributed spinneret holes, wherein a plurality of hollow pipes which are symmetrically distributed at the center of the spinneret holes are arranged in the spinneret holes and are used for forming a through cavity in the hollow polyester fiber;
(3) Cooling and solidifying by circular blowing, entering a spinning channel, carrying out oil feeding treatment and interlacing, adopting four pairs of hot rolls for stretching, using a wire collecting machine for winding, and controlling the hollow rate of the hollow polyester fibers by controlling the cooling and solidifying distance L of the hollow polyester fiber bundles to obtain the hollow polyester fiber bundles composed of the hollow polyester fibers; wherein the cooling distance is set to 20-45 mm, the stretch winding speed is set to 2800-3300 m/min, the total relaxation is 7-9%, the total stretching multiple is 5.0-7.1, the temperature of the first pair of hot rolls is set to 70-95 ℃, the temperature of the second pair of hot rolls is set to 110-130 ℃, the temperature of the third pair of hot rolls is set to 190-220 ℃, and the temperature of the fourth pair of hot rolls is set to 110-140 ℃;
(4) Performing primary twisting and secondary twisting on the hollow polyester fiber tows to obtain hollow polyester fiber tows;
(5) The hollow polyester fiber strand is made into a fiber twisted rope or a fiber braided rope by a twisting machine or a braiding machine.
Some embodiments disclose a method for making hollow polyester fiber floating mooring ropes, wherein the intrinsic viscosity of polyester chips is 0.90-1.05 dl/g, the content of terminal carboxylic acid is 25mol/t, and the content of diglycol is less than 1.2%.
Some embodiments disclose a method for manufacturing a hollow polyester fiber floating mooring rope, wherein the initial melting point of the antioxidant 1010 is not less than 110 ℃, the volatile content is not more than 0.5%, and the ash content is not more than 0.1%.
Some embodiments disclose a method of making hollow polyester fiber floating mooring lines having an acid number of the secondary antioxidant DLTP of no greater than 0.05mg KOH/g.
Some embodiments disclose a method of making a hollow polyester fiber floating mooring line having an ethylene-vinyl acetate copolymer friability temperature of less than-60 ℃.
According to the hollow polyester fiber floating mooring rope disclosed by the embodiment of the application, a specific amount of antioxidants, nano silver-loaded cuprous oxide antibacterial agents and other auxiliary agents are added in a master batch in the hollow polyester fiber, so that the raw material composition of fiber filaments, the fluidity and spinnability of spinning are optimized, smooth and smooth spinning production is ensured, the obtained hollow polyester fiber filaments have no broken filament phenomenon, compared with the existing polypropylene rope, the obtained hollow polyester fiber floating mooring rope has the advantages that the wear-resisting revolution is increased by more than 10%, the breaking strength is increased by more than 5%, the attachment area of fouling organisms on the surface of the mooring rope is reduced by more than 6%, the hollow polyester fiber floating mooring rope has the technical effects of excellent wear resistance, higher breaking strength and better antibacterial and antifouling effects, and has excellent ultraviolet resistance, improved safety performance, low production cost and good application prospect in the technical field of mooring ropes.
Drawings
FIG. 1A schematic view of the structure of the hollow fiber of example 1 polyester
Reference numerals
1. The hollow polyester fiber 10 penetrates through the cavity
11. Center of the machine
Detailed Description
The word "embodiment" as used herein does not necessarily mean that any embodiment described as "exemplary" is preferred or advantageous over other embodiments. Performance index testing in the examples herein, unless otherwise indicated, was performed using conventional testing methods in the art. It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure.
Unless otherwise defined, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; other test methods and techniques not specifically identified herein are those commonly employed by those of ordinary skill in the art.
The terms "substantially" and "about" are used herein to describe small fluctuations. For example, they may refer to less than or equal to ±5%, such as less than or equal to ±2%, such as less than or equal to ±1%, such as less than or equal to ±0.5%, such as less than or equal to ±0.2%, such as less than or equal to ±0.1%, such as less than or equal to ±0.05%. Numerical data presented or represented herein in a range format is used only for convenience and brevity and should therefore be interpreted flexibly to include not only the numerical values explicitly recited as the limits of the range, but also to include all the individual numerical values or sub-ranges encompassed within that range. For example, a numerical range of "1 to 5%" should be interpreted to include not only the explicitly recited values of 1% to 5%, but also include individual values and sub-ranges within the indicated range. Thus, individual values, such as 2%, 3.5% and 4%, and subranges, such as 1% to 3%, 2% to 4% and 3% to 5%, etc., are included in this numerical range. The same principle applies to ranges reciting only one numerical value. Moreover, such an interpretation applies regardless of the breadth of the range or the characteristics being described. Herein, the antioxidant 1010 is pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ]; the polyester is polyethylene terephthalate; the auxiliary antioxidant DLTP is a thioester auxiliary antioxidant.
In this document, including the claims, all conjunctions such as "comprising," including, "" carrying, "" having, "" containing, "" involving, "" containing, "and the like are to be construed as open-ended, i.e., to mean" including, but not limited to. Only the conjunctions "consisting of … …" and "consisting of … …" are closed conjunctions.
Numerous specific details are set forth in the following examples in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In the examples, some methods, means, instruments, devices, etc. well known to those skilled in the art are not described in detail in order to highlight the gist of the present application.
On the premise of no conflict, the technical features disclosed in the embodiments of the present application may be combined arbitrarily, and the obtained technical solution belongs to the disclosure of the embodiments of the present application.
In some embodiments, the hollow polyester fiber floating mooring rope is a fiber rope made of hollow polyester fibers, a plurality of through cavities distributed along the axial direction of the hollow polyester fibers are arranged in the hollow polyester fibers, the plurality of through cavities are identical in shape and symmetrically distributed by taking the center of the hollow polyester fibers as a symmetrical axis, the hollow rate of the hollow polyester fibers is 25-40%, and the density is 0.95-1.00g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the Wherein, the hollow polyester fiber is prepared from a polyester modified composite material, and the raw materials of the polyester modified composite material comprise: the antibacterial agent comprises a polyester slice, an ethylene-vinyl acetate copolymer, an antioxidant 1010, an auxiliary antioxidant DLTP and a nano silver-loaded cuprous oxide antibacterial agent, wherein the mass of the ethylene-vinyl acetate copolymer is 1.2-3.5 per mill of the mass of the polyester slice, the mass of the antioxidant 1010 is 0.1-2.5 per mill of the mass of the polyester slice, the mass of the auxiliary antioxidant DLTP is 0.5-1.2 per mill of the mass of the polyester slice, and the mass of the nano silver-loaded cuprous oxide antibacterial agent is 0.1-2.0 per mill of the mass of the polyester slice.
Generally, the antioxidant 1010 and the auxiliary antioxidant DLTP are used cooperatively, so that the hollow polyester fiber product is not degraded in the processing process, the oxidation resistance of the hollow polyester fiber is improved, and the service cycle is prolonged; the nano silver-loaded cuprous oxide antibacterial agent not only can enhance the strength of the hollow polyester fiber, but also has a certain antibacterial and antiseptic function, and reduces the attachment of fouling organisms on the rope in the use process of the rope for floating mooring; the ethylene-vinyl acetate copolymer improves the processing fluidity of spinning, so that the comprehensive performance of the hollow polyester fiber is obviously improved.
The void fraction of a hollow polyester fiber generally refers to the percentage of the volume of the hollow cavity to the volume of the hollow polyester fiber, which may also be referred to as the hollowness; when the hollow rate is less than 25%, the manufactured fiber rope can not be ensured to float on the water surface to serve as a floating mooring rope, and when the hollow rate is higher than 40%, the strength of the hollow polyester fiber can be greatly influenced, and the use safety of the hollow polyester fiber is influenced.
As an alternative embodiment, in the hollow polyester fiber floating mooring line, the number of through cavities in the hollow polyester fiber is set to 3 or 4. The number of through cavities is usually multiple, so that the volume of the cavities in the polyester fiber can be effectively increased, the density of the cavities is reduced, and the floating capacity of the polyester fiber is improved; the plurality of through cavities are uniformly distributed in the polyester fiber, so that the strength of the polyester fiber can be effectively prevented from being reduced, the use safety of the polyester fiber is improved, for example, 3 and 4 cavities are uniformly distributed in the fiber in a central symmetry mode. When too few through cavities are formed, for example, only one through cavity is formed, hollow polyester fibers are easy to break in the using process, the safety is poor, the fiber density is not easy to reduce, when too many through cavities are formed, the cavity rate is large, the fiber strength is reduced, the manufacturing difficulty of a spinning die head is increased, and the manufacturing cost is increased.
As an alternative embodiment, in the hollow polyester fiber floating mooring line, the through cavity in the hollow polyester fiber is circular or elliptical in shape. The shape of the cavity is round or oval, so that the polyester fiber body can be ensured to have enough strength to be used as a mooring rope, and the use safety of the mooring rope is ensured.
As an alternative embodiment, in the hollow polyester fiber floating mooring rope, the granularity of the nano silver-loaded cuprous oxide antibacterial agent in the hollow polyester fiber is 20-50 nm.
As an alternative embodiment, the hollow polyester fiber floating mooring line is a twisted or braided line.
In some embodiments, the method for manufacturing the hollow polyester fiber floating mooring rope specifically comprises the following steps:
(1) Granulating the polyester chip, the ethylene-vinyl acetate copolymer, the antioxidant 1010, the auxiliary antioxidant DLTP and the nano silver-loaded cuprous oxide antibacterial agent in a granulator to obtain a polyester modified composite material;
(2) Melt spinning the polyester modified composite material by a double-screw extruder, and metering and extruding the extrudate from a special spinneret plate by a metering pump arranged at an outlet of the double screw; the special-shaped spinneret plate comprises a plurality of regularly distributed spinneret holes, wherein a plurality of hollow pipes which are symmetrically distributed at the center of the spinneret holes are arranged in the spinneret holes and are used for forming a through cavity in the hollow polyester fiber;
(3) Cooling and solidifying by circular blowing, entering a spinning channel, carrying out oil feeding treatment and interlacing, adopting four pairs of hot rolls for stretching, using a wire collecting machine for winding, and controlling the hollow rate of the hollow polyester fibers by controlling the cooling and solidifying distance L of the hollow polyester fiber bundles to obtain the hollow polyester fiber bundles composed of the hollow polyester fibers; wherein the cooling distance is set to 20-45 mm, the stretch winding speed is set to 2800-3300 m/min, the total relaxation is 7-9%, the total stretching multiple is 5.0-7.1, the temperature of the first pair of hot rolls is set to 70-95 ℃, the temperature of the second pair of hot rolls is set to 110-130 ℃, the temperature of the third pair of hot rolls is set to 190-220 ℃, and the temperature of the fourth pair of hot rolls is set to 110-140 ℃;
(4) Performing primary twisting and secondary twisting on the hollow polyester fiber tows to obtain hollow polyester fiber tows;
(5) The hollow polyester fiber strand is made into a fiber twisted rope or a fiber braided rope by a twisting machine or a braiding machine.
In the process of manufacturing the hollow polyester fiber, in the process of shaping the molten polyester modified composite material from the basis of the special-shaped spinneret plate, the strength of the hollow polyester fiber can be controlled by controlling the stretching multiple of the hot roller, the hollow polyester fiber is also beneficial to forming a hollow structure, and as an optional implementation mode, the total stretching multiple is controlled between 5.0 and 7.1, so that the hollow polyester fiber filament with excellent performance can be manufactured.
In the spinneret hole arranged on the special spinneret plate, a plurality of pipelines are arranged to form a plurality of cavities, inert gas is introduced in the spinneret process to prevent molten polyester compound or impurities from adhering in the spinneret hole, and effective cavities can be formed in the polyester fiber, and the number, the size, the shape and the like of the cavities can be controlled generally so as to control the hollow rate of the hollow polyester fiber within a proper range. The through cavities are symmetrically distributed, so that stable bridging parts are formed among the through cavities, and the structural strength of the spinneret orifices is improved.
In general, the hollow ratio of the hollow fibers can be controlled by controlling the distance L of the strand cooling solidification, which is usually the distance from the solidification point of the strand to the spinneret), for example, a preferable range is 20 mm.ltoreq.L.ltoreq.45 mm; generally, the method for controlling the cooling and solidifying distance L of the filament bundles comprises controlling the speed of the annular air blowing, for example, the air speed is in a more preferable range of 0.4-1 m/s, the air speed is in a more preferable range of 0.4-0.7 m/s, the cooling and solidifying distance L can be controlled by controlling the temperature of the annular air blowing, for example, the temperature of the annular air blowing can be controlled to be lower than 215 ℃, and the more preferable temperature is 180-210 ℃.
Some embodiments disclose a method for making hollow polyester fiber floating mooring ropes, wherein the intrinsic viscosity of polyester chips is 0.90-1.05 dl/g, the content of terminal carboxylic acid is 25mol/t, and the content of diglycol is less than 1.2%.
Some embodiments disclose a method for manufacturing a hollow polyester fiber floating mooring rope, wherein the initial melting point of the antioxidant 1010 is not less than 110 ℃, the volatile content is not more than 0.5%, and the ash content is not more than 0.1%.
Some embodiments disclose a method of making hollow polyester fiber floating mooring lines having an acid number of the secondary antioxidant DLTP of no greater than 0.05mg KOH/g.
Some embodiments disclose a method of making a hollow polyester fiber floating mooring line having an ethylene-vinyl acetate copolymer friability temperature of less than-60 ℃.
The technical details are further described below in connection with the examples.
Example 1
Three-strand hollow polyester fiber floating mooring twisting rope
The manufacturing process of the three-strand hollow polyester fiber floating mooring twisted rope comprises the following steps:
(1) Granulating the polyester chip, the ethylene-vinyl acetate copolymer, the antioxidant 1010, the auxiliary antioxidant DLTP and the nano silver-loaded cuprous oxide antibacterial agent in a granulator to obtain a polyester modified composite material; wherein, the intrinsic viscosity of the polyester chip is 0.90dl/g, the content of end group carboxylic acid is 25mol/t, and the content of diglycol is less than 1.2%; the mass of the ethylene-vinyl acetate copolymer is 1.2 per mill of that of the polyester chip, and the brittleness temperature is less than-60 ℃; the mass of the antioxidant 1010 is 0.1 per mill of that of the polyester chip, the initial melting point is not less than 110 ℃, the volatile content is not more than 0.5 percent, and the ash content is not more than 0.1 percent; the mass of the auxiliary antioxidant DLTP is 0.5 per mill of the mass of the polyester chip, and the acid value is not more than 0.05mg KOH/g; the mass of the nano silver-loaded cuprous oxide antibacterial agent is 0.1 per mill of the mass of the polyester chip, and the granularity is 20-50 nm;
(2) Melt spinning the polyester modified composite material by a double-screw extruder, and metering and extruding the extrudate from a special spinneret plate by a metering pump arranged at an outlet of the double screw; the special-shaped spinneret plate comprises a plurality of regularly distributed round spinneret holes, wherein four oval hollow tubes are symmetrically distributed in the center of each spinneret hole and are used for forming oval through cavities in hollow polyester fibers;
(3) Cooling and solidifying by circular blowing, entering a spinning channel, carrying out oil feeding treatment and interlacing, adopting four pairs of hot rolls for stretching, winding by using a wire winding machine, and controlling the hollow rate of hollow polyester fibers by controlling the cooling and solidifying distance L of the hollow polyester fiber bundles to obtain hollow polyester fiber bundles composed of the hollow polyester fibers, wherein the hollow rate of the hollow polyester fibers is 37%, and the specification is 1100dtex/96f; wherein the cooling distance is set to 30mm, the stretch winding speed is set to 2800m/min, the total relaxation is 7%, the total stretching multiple is 5.0, the temperature of the first pair of hot rolls is set to 70 ℃, the temperature of the second pair of hot rolls is set to 110 ℃, the temperature of the third pair of hot rolls is set to 190 ℃, and the temperature of the fourth pair of hot rolls is set to 110 ℃;
(4) Performing primary twisting and secondary twisting on the hollow polyester fiber tows to obtain hollow polyester fiber tows; the first twist is set to 80 twist/m, and the second twist is set to 110 twist/m;
(5) The hollow polyester fiber rope is manufactured into three hollow polyester fiber floating mooring twisting ropes with the specification of 150mm and the breaking strength of 6180kN by a three-strand twisting machine.
Fig. 1 is a schematic illustration of a hollow polyester fiber floating mooring three-strand rope structure as disclosed in example 1.
Floating property test: a section of three hollow polyester fiber floating mooring twisted ropes with the length of 20cm is taken, two ends of the three hollow polyester fiber floating mooring twisted ropes are bundled and put into water, and the three hollow polyester fiber floating mooring twisted ropes are kept stand for 24 hours, 1 week and 4 weeks to observe the floating state in the water, so that the result shows that the three hollow polyester fiber floating mooring twisted ropes in the embodiment 1 have good floating property, still float on the water surface after being kept stand for 4 weeks and do not sink into the water.
Example 2
Eight-strand hollow polyester fiber floating mooring single braided rope
The manufacturing process of the eight-strand hollow polyester fiber floating mooring single braided rope comprises the following steps:
(1) Granulating the polyester chip, the ethylene-vinyl acetate copolymer, the antioxidant 1010, the auxiliary antioxidant DLTP and the nano silver-loaded cuprous oxide antibacterial agent in a granulator to obtain a polyester modified composite material; wherein, the intrinsic viscosity of the polyester chip is 1.05dl/g, the content of end group carboxylic acid is 25mol/t, and the content of diglycol is less than 1.2%; the mass of the ethylene-vinyl acetate copolymer is 3.5 per mill of that of the polyester chip, and the brittleness temperature is less than-60 ℃; the mass of the antioxidant 1010 is 2.0 per mill of that of the polyester chip, the initial melting point is not less than 110 ℃, the volatile content is not more than 0.5 percent, and the ash content is not more than 0.1 percent; the mass of the auxiliary antioxidant DLTP is 1.2 per mill of the mass of the polyester chip, and the acid value is not more than 0.05mg KOH/g; the mass of the nano silver-loaded cuprous oxide antibacterial agent is 2.0 per mill of the mass of the polyester chip, and the granularity is between 20 and 50nm;
(2) Melt spinning the polyester modified composite material by a double-screw extruder, and metering and extruding the extrudate from a special spinneret plate by a metering pump arranged at an outlet of the double screw; the special-shaped spinneret plate comprises a plurality of regularly distributed round spinneret holes, wherein four oval hollow tubes are symmetrically distributed in the center of each spinneret hole and are used for forming oval through cavities in hollow polyester fibers;
(3) Cooling and solidifying by circular blowing, entering a spinning channel, carrying out oil feeding treatment and interlacing, adopting four pairs of hot rolls for stretching, winding by using a wire winding machine, and controlling the hollow rate of hollow polyester fibers by controlling the cooling and solidifying distance L of the hollow polyester fiber bundles to obtain hollow polyester fiber bundles composed of the hollow polyester fibers, wherein the hollow rate of the hollow polyester fibers is 28%, and the specification is 1100dtex/96f; wherein the cooling distance is set to 40mm, the stretch winding speed is set to 3300m/min, the total relaxation is 9%, the total stretching multiple is 7.1, the temperature of the first pair of hot rolls is set to 95 ℃, the temperature of the second pair of hot rolls is set to 130 ℃, the temperature of the third pair of hot rolls is set to 210 ℃, and the temperature of the fourth pair of hot rolls is set to 120 ℃;
(4) The hollow polyester fiber tows are circularly twisted into rope yarns on a 250-ring twisting machine, the twist is set to be 100 twists/m, and the twisting direction comprises an S direction and a Z direction, so that the S direction rope yarns and the Z direction rope yarns are obtained; twisting rope yarns on a 722 type ring twisting machine to form rope strands, wherein the twist is set to be 80 twists/m, and the twisting direction comprises an S direction and a Z direction, so that the S direction and the Z direction rope strands are obtained;
(5) Braiding by a large cable braiding machine, and braiding the hollow polyester fiber strands to form eight-strand hollow polyester fiber floating mooring single braided ropes, wherein the specification is 112mm, and the breaking strength is 1920kN.
Floating property test: a section of 20cm eight-strand hollow polyester fiber floating mooring single braided rope is taken, two ends of the eight-strand hollow polyester fiber floating mooring single braided rope are bundled and put into water, the eight-strand hollow polyester fiber floating mooring single braided rope is stood for 24 hours, 1 week and 4 weeks to observe the floating state in the water, and the result shows that the eight-strand hollow polyester fiber floating mooring single braided rope of the embodiment 1 has good floating property, still floats on the water surface after being stood for 4 weeks and does not sink into the water.
According to the hollow polyester fiber floating mooring rope disclosed by the embodiment of the application, a specific amount of antioxidants, nano silver-loaded cuprous oxide antibacterial agents and other auxiliary agents are added in a master batch in the hollow polyester fiber, so that the raw material composition of fiber filaments, the fluidity and spinnability of spinning are optimized, smooth and smooth spinning production is ensured, the obtained hollow polyester fiber filaments have no broken filament phenomenon, compared with the existing polypropylene rope, the obtained hollow polyester fiber floating mooring rope has the advantages that the wear-resisting revolution is increased by more than 10%, the breaking strength is increased by more than 5%, the attachment area of fouling organisms on the surface of the mooring rope is reduced by more than 6%, the hollow polyester fiber floating mooring rope has the technical effects of excellent wear resistance, higher breaking strength and better antibacterial and antifouling effects, and has excellent ultraviolet resistance, improved safety performance, low production cost and good application prospect in the technical field of mooring ropes.
Technical details disclosed in the technical schemes and embodiments disclosed in the application are only illustrative of the inventive concepts of the application and are not limiting of the technical schemes of the application, and all the technical details disclosed in the application, such as non-creative changes, substitutions or combinations, have the same inventive concepts as the application and are within the protection scope of the claims of the application.
Claims (3)
1. The hollow polyester fiber floating mooring rope is characterized in that the floating mooring rope is a fiber rope made of hollow polyester fibers, a plurality of through cavities distributed along the axial direction of the hollow polyester fibers are formed in the hollow polyester fibers, the through cavities are elliptical in shape and symmetrically distributed by taking the center of the hollow polyester fibers as a symmetry axis, the hollow rate of the hollow polyester fibers is 25-40%, and the density of the hollow polyester fibers is 0.95-1.00g/cm 3 ；
The hollow polyester fiber is prepared from a polyester modified composite material, and the preparation raw materials of the polyester modified composite material comprise: polyester chips, ethylene-vinyl acetate copolymer, antioxidant 1010, auxiliary antioxidant DLTP and nano silver-loaded cuprous oxide antibacterial agent, wherein the intrinsic viscosity of the polyester chips is 0.90-1.05 dl/g, the content of terminal carboxylic acid is 25mol/t, and the content of diglycol is less than 1.2%; the mass of the ethylene-vinyl acetate copolymer is 1.2-3.5 per mill of that of the polyester chip, and the brittleness temperature of the ethylene-vinyl acetate copolymer is less than-60 ℃; the mass of the antioxidant 1010 is 0.1-2.5 per mill of that of the polyester chip, the initial melting point of the antioxidant 1010 is not less than 110 ℃, the volatile content is not more than 0.5 percent, and the ash content is not more than 0.1 percent; the mass of the auxiliary antioxidant DLTP is 0.5-1.2 per mill of that of the polyester chip, and the acid value of the auxiliary antioxidant DLTP is not more than 0.05mg KOH/g; the mass of the nano silver-loaded cuprous oxide antibacterial agent is 0.1-2.0 per mill of the mass of the polyester chip; the granularity of the nano silver-loaded cuprous oxide antibacterial agent is 20-50 nm;
the hollow polyester fiber floating mooring rope is manufactured by the following manufacturing method, and specifically comprises the following steps:
(1) Granulating the polyester chip, the ethylene-vinyl acetate copolymer, the antioxidant 1010, the auxiliary antioxidant DLTP and the nano silver-loaded cuprous oxide antibacterial agent in a granulator to obtain a polyester modified composite material;
(2) Melt spinning the polyester modified composite material by a double-screw extruder, and metering and extruding the extrudate by a metering pump arranged at the outlet of the double screw from a special-shaped spinneret plate; the special-shaped spinneret plate comprises a plurality of regularly distributed spinneret holes, wherein a plurality of hollow pipes are arranged in the spinneret holes and are symmetrically distributed at the center of the spinneret holes, so that a through cavity in the hollow polyester fiber is formed;
(3) Cooling and solidifying by circular blowing, entering a spinning channel, carrying out oil feeding treatment and interlacing, adopting four pairs of hot rolls for stretching, using a wire collecting machine for winding, and controlling the hollow rate of the hollow polyester fibers by controlling the cooling and solidifying distance L of the hollow polyester fiber bundles to obtain the hollow polyester fiber bundles composed of the hollow polyester fibers; wherein the cooling distance is set to 20-45 mm, the stretch winding speed is set to 2800-3300 m/min, the total relaxation is 7-9%, the total stretching multiple is 5.0-7.1, the temperature of the first pair of hot rolls is set to 70-95 ℃, the temperature of the second pair of hot rolls is set to 110-130 ℃, the temperature of the third pair of hot rolls is set to 190-220 ℃, and the temperature of the fourth pair of hot rolls is set to 110-140 ℃;
(4) Performing primary twisting and secondary twisting on the hollow polyester fiber tows to obtain hollow polyester fiber tows;
(5) The hollow polyester fiber strand is made into a fiber twisted rope or a fiber braided rope by a twisting machine or a braiding machine.
2. The hollow polyester fiber floating mooring line according to claim 1 wherein the number of through cavities is set to 3 or 4.
3. The hollow polyester fiber floating mooring line according to claim 1 wherein the hollow polyester fiber floating mooring line is a twisted or braided line.
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| JPH01183588A (en) * | 1988-01-07 | 1989-07-21 | Teijin Ltd | Polyester rope |
| JP2000303254A (en) * | 1999-02-19 | 2000-10-31 | Unitika Ltd | High strength hollow fiber for industrial material |
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| CN105899718A (en) * | 2014-01-10 | 2016-08-24 | （株）纳米未来生活 | Antibacterial fiber material, antibacterial fibers, master batch for manufacturing antibacterial fibers, and method for manufacturing antibacterial fibers |
| CN108442000A (en) * | 2018-03-08 | 2018-08-24 | 无锡索力得科技发展有限公司 | A kind of rigid line rope production method for imitating high-strength and high-modulus polyester industrial yarn |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH01183588A (en) * | 1988-01-07 | 1989-07-21 | Teijin Ltd | Polyester rope |
| JP2000303254A (en) * | 1999-02-19 | 2000-10-31 | Unitika Ltd | High strength hollow fiber for industrial material |
| JP2003055836A (en) * | 2001-08-20 | 2003-02-26 | Toray Ind Inc | Hollow fiber for rope, method for producing the same and rope for industrial material |
| CN105899718A (en) * | 2014-01-10 | 2016-08-24 | （株）纳米未来生活 | Antibacterial fiber material, antibacterial fibers, master batch for manufacturing antibacterial fibers, and method for manufacturing antibacterial fibers |
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