CN110229499B - All-plastic wire rod and method for manufacturing all-plastic wire rod - Google Patents
All-plastic wire rod and method for manufacturing all-plastic wire rod Download PDFInfo
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- CN110229499B CN110229499B CN201910367430.XA CN201910367430A CN110229499B CN 110229499 B CN110229499 B CN 110229499B CN 201910367430 A CN201910367430 A CN 201910367430A CN 110229499 B CN110229499 B CN 110229499B
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- 239000002861 polymer material Substances 0.000 claims abstract description 7
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- 239000002131 composite material Substances 0.000 claims description 25
- 229920000642 polymer Polymers 0.000 claims description 24
- 239000000376 reactant Substances 0.000 claims description 24
- 125000005442 diisocyanate group Chemical group 0.000 claims description 19
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- 150000002009 diols Chemical class 0.000 claims description 17
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- 238000006243 chemical reaction Methods 0.000 claims description 12
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- 239000000463 material Substances 0.000 claims description 9
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- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 7
- 229920002988 biodegradable polymer Polymers 0.000 claims description 7
- 239000004621 biodegradable polymer Substances 0.000 claims description 7
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 7
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 claims description 7
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 7
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 5
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- 239000005014 poly(hydroxyalkanoate) Substances 0.000 claims description 5
- 229920000903 polyhydroxyalkanoate Polymers 0.000 claims description 5
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 3
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 229920001748 polybutylene Polymers 0.000 claims 1
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- FZWBABZIGXEXES-UHFFFAOYSA-N ethane-1,2-diol;hexanedioic acid Chemical compound OCCO.OC(=O)CCCCC(O)=O FZWBABZIGXEXES-UHFFFAOYSA-N 0.000 description 1
- GPCIDUIBGGUBJG-UHFFFAOYSA-N hexanedioic acid;hexane-1,1-diol Chemical compound CCCCCC(O)O.OC(=O)CCCCC(O)=O GPCIDUIBGGUBJG-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/06—Polyurethanes from polyesters
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/12—Applications used for fibers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses an all-plastic wire rod and a manufacturing method thereof, wherein the all-plastic wire rod comprises the following components in parts by weight: 20-40 parts of polyester type shape memory polyurethane resin; 20-40 parts of biodegradable high polymer material; 10-20 parts of polyether polyurethane resin; 1-5 parts of low molecular alcohol modified diisocyanate; 1-5 parts of cellucotton. The all-plastic wire rod disclosed by the invention has the advantages of high hardness, strong fixing performance, good toughness, no elasticity, convenience in use and biodegradability, and can be widely applied to the fields of daily life, nursery gardening, engineering application, clothing and intelligent wearing.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to an all-plastic wire and a manufacturing method of the all-plastic wire.
Background
Wires are often used to secure, bind objects. The material sources of the current wire rods comprise fibers, cotton, metal wires, plastic wires and the like. Conventional cotton or fiber is soft and inconvenient for use in applications such as perforation; the metal wire has high hardness and strength and is widely applied to the field of buildings, but the fixing mode of the metal wire also has limitations, for example, the metal wire has limitation and damage to plant growth in the gardening fixing application, and a fixing scar is left; in recent years, plastic wires are also widely applied to the fields of packaging, fixing and the like, but common plastic wires have good elasticity, and if the plastic wires are elastically recovered in the binding process, the use process has some inconveniences. Then, wires of plastic metal wires are gradually developed, the fixity of the metal wires and the flexibility of the plastic wires are effectively combined, and the fixing effect and the construction convenience of the wires are better improved; however, the wire material of the plastic-coated metal wire is complex to process and inconvenient to recover, and the metal wire is easy to hurt users; therefore, a new wire rod is urgently needed in the market to solve the above problems.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention discloses an all-plastic wire rod which is used for solving the problems of poor elasticity, poor fixity and toughness and inconvenient use of the existing wire rod. The second purpose of the invention is to disclose a method for manufacturing an all-plastic wire.
One of the purposes of the invention is realized by adopting the following technical scheme:
the full-plastic wire comprises the following components in parts by weight:
as an improvement mode, the polyester type shape memory polyurethane resin is prepared from polyester diol and low molecular alcohol modified diisocyanate by a solvent-free polymerization method.
As an improvement mode, the polyester dihydric alcohol is at least one of poly adipic acid glycol ester dihydric alcohol, polyester diacid butanediol ester dihydric alcohol, polycaprolactone dihydric alcohol and polylactic acid dihydric alcohol.
As an improvement mode, the low molecular alcohol modified diisocyanate is prepared by mixing and reacting low molecular weight diol and diisocyanate, wherein the mass content of isocyanate groups is 5-30 wt%.
As a modification, the diisocyanate is at least one of toluene diisocyanate, diphenylmethane diisocyanate, hexamethylene diisocyanate and p-phenylene diisocyanate.
As an improvement mode, the low molecular weight dihydric alcohol is at least one of monoethylene glycol, 1, 4-butanediol and 1, 6-hexanediol.
As an improvement mode, the biodegradable polymer material is at least one of polylactic acid, polycaprolactone, polyhydroxybutyrate copolymer, polyhydroxybutyrate hexanoate copolyester, polyhydroxybutyrate hydroxyoctanoate copolyester, polyhydroxybutyrate hydroxydecanoate copolyester, poly-beta-hydroxybutyrate, poly (3-hydroxybutyrate-co-4-hydroxybutyrate) copolymer and poly-beta-hydroxybutyrate-beta-hydroxyvalerate copolymer; and/or the presence of a gas in the atmosphere,
the Shore hardness of the polyester type shape memory polyurethane resin is more than 90 degrees; and/or the presence of a gas in the atmosphere,
the Shore hardness of the polyether polyurethane resin is below 60 degrees.
The second purpose of the invention is realized by adopting the following technical scheme:
a method for manufacturing an all-plastic wire rod comprises the following steps:
mixing and melting (20-40) parts of polyester type shape memory polyurethane resin, (20-40) parts of biodegradable high polymer material, (10-20) parts of polyether polyurethane resin, (1-5) parts of low molecular alcohol modified diisocyanate and (1-5) parts of cellucotton to prepare a polymer composite material;
And drawing the polymer composite material to obtain the all-plastic wire.
As an improvement, the polyester type shape memory polyurethane resin is prepared by the following method:
mixing 1, 4-butanediol and toluene diisocyanate to prepare low molecular alcohol modified diisocyanate with the content of diisocyanate being 20%, then mixing and stirring the prepared low molecular alcohol modified diisocyanate and polybutylene adipate glycol to react for 5-40 minutes at room temperature to prepare a primary reactant, and then placing the primary reactant in an environment with the temperature of 60-80 ℃ to react for 6-10 hours to prepare the polyester type shape memory polyurethane resin; or,
mixing monoethylene glycol and p-phenylene diisocyanate to prepare low molecular alcohol modified diisocyanate with the content of diisocyanate being 15%, then mixing and stirring the prepared low molecular alcohol modified diisocyanate and polyethylene glycol adipate diol at room temperature for 5-40 minutes to prepare a primary reactant, and then placing the primary reactant in an environment with the temperature of 60-80 ℃ for reaction for 6-10 hours to prepare the polyester type shape memory polyurethane resin; or,
mixing 1, 6-hexanediol and hexamethylene diisocyanate to prepare low molecular alcohol modified diisocyanate with the content of diisocyanate being 10%, then mixing and stirring the prepared low molecular alcohol modified diisocyanate and poly adipic acid glycol ester diol at room temperature for 5-40 minutes to prepare a primary reactant, and then placing the primary reactant in an environment with the temperature of 60-80 ℃ for reaction for 6-10 hours to prepare the polyester type shape memory polyurethane resin.
As an improvement, the biodegradable polymer material is one of polylactic acid, polycaprolactone and polyhydroxyalkanoate, and the method for manufacturing the all-plastic wire rod comprises the following steps:
mixing and melting 40 parts of the polyester type shape memory polyurethane resin, 40 parts of the polylactic acid, 10 parts of the polyether polyurethane resin, 5 parts of the low molecular alcohol modified diisocyanate and 5 parts of the fiber cotton to prepare a polymer composite material, and then drawing the polymer composite material to prepare the all-plastic wire rod; or,
mixing and melting 40 parts of the polyester type shape memory polyurethane resin, 30 parts of the polycaprolactone, 5 parts of the polyether polyurethane resin, 3 parts of the low molecular alcohol modified diisocyanate and 3 parts of the cellucotton to prepare a polymer composite material, and then drawing the polymer composite material to prepare the all-plastic wire rod; or,
mixing and melting 30 parts of the polyester type shape memory polyurethane resin, 40 parts of the polyhydroxyalkanoate, 5 parts of the polyether polyurethane resin, 5 parts of the low molecular alcohol modified diisocyanate and 5 parts of the cellucotton to prepare a polymer composite material, and then drawing the polymer composite material to prepare the all-plastic wire.
Compared with the prior art, the components of the embodiment of the invention comprise (20-40) parts of polyester type shape memory polyurethane resin, (20-40) parts of biodegradable high polymer material, (10-20) parts of polyether type polyurethane resin, (1-5) parts of low molecular alcohol modified diisocyanate and (1-5) parts of cellucotton. The polyester type shape memory polyurethane resin and the biodegradable high polymer material provide good fixing performance; the polyether polyurethane resin provides good toughness; the low molecular alcohol modified diisocyanate improves the compatibility of the resin; the mechanical strength of the cellucotton is enhanced; therefore, the all-plastic wire has the advantages of high hardness, strong fixing performance, good toughness, no elasticity, convenience in use and biodegradability, and can be widely applied to the fields of daily life, nursery gardening, engineering application, clothing and intelligent wearing.
Drawings
Fig. 1 is a schematic flow chart of a manufacturing method of an all-plastic wire rod disclosed in an embodiment of the invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
The embodiment of the invention discloses an all-plastic wire which comprises the following components in parts by weight:
wherein, the polyester type shape memory polyurethane resin and the biodegradable polymer material are main functional materials of the full plastic wire and provide fixing performance; the polyether polyurethane resin is used for adjusting the flexibility of the composite wire; the low molecular alcohol modified diisocyanate is used for improving the compatibility of the resin; the cellucotton is used for enhancing the mechanical strength. The all-plastic wire rod provided by the embodiment has the advantages of high hardness, strong fixing performance, good toughness, no elasticity, convenience in use and biodegradability, and can be widely applied to the fields of daily life, nursery gardening, engineering application, clothes, intelligent wearing and the like to realize the functions of binding, fixing, shaping and the like.
As a modification of this embodiment, the polyester-type shape memory polyurethane resin is prepared from polyester diol and low molecular alcohol modified diisocyanate by a solvent-free polymerization method. The Shore hardness of the prepared polyester type shape memory polyurethane resin is above 90 degrees. The polyether polyurethane resin is a commercial polyether polyurethane resin with Shore hardness below 60 degrees.
As an improvement of this embodiment, the polyester diol is at least one of poly (hexanediol adipate) diol, poly (ethylene glycol adipate) diol, polyester butanediol diacid, polycaprolactone diol, and polylactic acid diol.
As a modification of this example, the low molecular alcohol-modified diisocyanate is prepared by mixing and reacting a low molecular weight diol with a diisocyanate, wherein the mass content of isocyanate groups is 5 wt% to 30 wt%.
As a modification of this embodiment, the low molecular weight diol is at least one of monoethylene glycol, 1, 4-butanediol, and 1, 6-hexanediol.
As a modification of this embodiment, the diisocyanate is at least one of toluene diisocyanate, diphenylmethane diisocyanate, hexamethylene diisocyanate, and p-phenylene diisocyanate.
As an improvement of this embodiment, the biodegradable polymer material is at least one of polylactic acid, polycaprolactone, polyhydroxybutyrate copolymer, polyhydroxybutyrate hexanoate copolyester, polyhydroxybutyrate hydroxyoctanoate copolyester, polyhydroxybutyrate hydroxydecanoate copolyester, poly-beta-hydroxybutyrate, poly (3-hydroxybutyrate-co-4-hydroxybutyrate) copolymer, and poly-beta-hydroxybutyrate-beta-hydroxyvalerate copolymer.
Preferably, the diameter of the all-plastic wire rod is 0.5mm-5.0 mm.
Referring to fig. 1, a method S10 for manufacturing an all-plastic wire according to an embodiment of the present invention includes the following steps:
step S11, mixing and melting (20-40) parts of polyester type shape memory polyurethane resin, (20-40) parts of biodegradable high polymer material, (10-20) parts of polyether type polyurethane resin, (1-5) parts of low molecular alcohol modified diisocyanate, and (1-5) parts of cellucotton to prepare a polymer composite material;
and step S12, drawing the polymer composite material to obtain the all-plastic wire.
The all-plastic wire prepared by the method S10 for preparing the all-plastic wire provided by the embodiment has the advantages of high hardness, strong fixing performance, good toughness, no elasticity, convenience in use and biodegradability, and can be widely applied to the fields of daily life, nursery gardening, engineering application, clothing, intelligent wearing and the like to realize the functions of binding, fixing, shaping and the like.
Wherein, the polyester type shape memory polyurethane resin can be prepared by any one of the following three methods:
method one
Mixing 1, 4-butanediol and toluene diisocyanate to prepare low molecular alcohol modified diisocyanate with the content of diisocyanate of 20%, then mixing and stirring the prepared low molecular alcohol modified diisocyanate and polybutylene adipate diol at room temperature to react for 5-40 minutes to prepare a primary reactant, and then placing the primary reactant in an environment at 60-80 ℃ to react for 6-10 hours to prepare the polyester type shape memory polyurethane resin.
Method two
Mixing monoethylene glycol and p-phenylene diisocyanate to prepare low molecular alcohol modified diisocyanate with the content of diisocyanate being 15%, then mixing and stirring the prepared low molecular alcohol modified diisocyanate and polyethylene glycol adipate diol at room temperature for 5-40 minutes to prepare a primary reactant, and then placing the primary reactant in an environment with the temperature of 60-80 ℃ for reaction for 6-10 hours to prepare the polyester type shape memory polyurethane resin.
Method III
Mixing 1, 6-hexanediol and hexamethylene diisocyanate to prepare low molecular alcohol modified diisocyanate with the content of diisocyanate being 10%, then mixing and stirring the prepared low molecular alcohol modified diisocyanate and poly adipic acid glycol ester diol at room temperature for 5-40 minutes to prepare a primary reactant, and then placing the primary reactant in an environment with the temperature of 60-80 ℃ for reaction for 6-10 hours to prepare the polyester type shape memory polyurethane resin.
The manufacturing process of the all-plastic wire rod is illustrated in the following three specific examples, which are to be construed as merely illustrative and not exhaustive:
example one
Mixing 1, 4-butanediol and toluene diisocyanate to prepare low molecular alcohol modified diisocyanate with the content of diisocyanate of 20%, then mixing and stirring the prepared low molecular alcohol modified diisocyanate and polybutylene adipate diol at room temperature for reaction for 30 minutes to prepare a primary reactant, and then placing the primary reactant in an environment with the temperature of 80 ℃ for reaction for 8 hours to prepare polyester type shape memory polyurethane resin; then mixing and melting 40 parts of polyester type shape memory polyurethane resin, 40 parts of polylactic acid, 10 parts of polyether polyurethane resin, 5 parts of low molecular alcohol modified diisocyanate and 5 parts of cellucotton to prepare a polymer composite material, and then drawing the polymer composite material to prepare the all-plastic wire. Specifically, the all-plastic wire rod can be manufactured by adopting single-screw wire drawing equipment in an extrusion mode, the diameter of the extruded all-plastic wire rod can be 1.0mm, and the shape fixing rate of the manufactured all-plastic wire rod reaches 100%; the tensile strength is 27 MPa; the elongation at break is 254%, and the fixing effect is good.
Example two
Mixing monoethylene glycol and p-phenylene diisocyanate to prepare low molecular alcohol modified diisocyanate with the content of diisocyanate of 15%, then mixing and stirring the prepared low molecular alcohol modified diisocyanate and polyethylene glycol adipate diol at room temperature for reaction for 30 minutes to prepare a primary reactant, and then placing the primary reactant in an environment with the temperature of 80 ℃ for reaction for 8 hours to prepare the polyester type shape memory polyurethane resin. Then mixing and melting 40 parts of polyester type shape memory polyurethane resin, 30 parts of polycaprolactone, 5 parts of polyether polyurethane resin, 3 parts of low molecular alcohol modified diisocyanate and 3 parts of cellucotton to prepare a polymer composite material, and then drawing the polymer composite material to prepare the all-plastic wire. Specifically, the all-plastic wire rod can be obtained by extrusion manufacturing of single-screw wire drawing equipment, and the diameter of the extruded all-plastic wire rod can be 1.5 mm. The prepared all-plastic wire has good fixing effect.
EXAMPLE III
Mixing 1, 6-hexanediol and hexamethylene diisocyanate to prepare low molecular alcohol modified diisocyanate with the content of diisocyanate being 10%, then mixing and stirring the prepared low molecular alcohol modified diisocyanate and poly adipic acid glycol ester diol at room temperature for reaction for 30 minutes to prepare a primary reactant, and then placing the primary reactant in an environment with the temperature of 80 ℃ for reaction for 8 hours to prepare the polyester type shape memory polyurethane resin; then mixing and melting 30 parts of the polyester type shape memory polyurethane resin, 40 parts of polyhydroxyalkanoate, 5 parts of polyether polyurethane resin, 5 parts of low molecular alcohol modified diisocyanate and 5 parts of cellucotton to prepare a polymer composite material, and then drawing the polymer composite material to prepare the all-plastic wire rod. Specifically, the all-plastic wire rod can be manufactured by adopting single-screw wire drawing equipment in an extrusion mode, and the diameter of the extruded all-plastic wire rod can be 2.5 mm. The prepared full-plastic wire has good fixing effect.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (7)
1. The all-plastic wire is characterized by comprising the following components in parts by weight:
20-40 parts of polyester type shape memory polyurethane resin;
20-40 parts of a biodegradable polymer material;
10-20 parts of polyether polyurethane resin;
1-5 parts of low molecular alcohol modified diisocyanate;
1-5 parts of cellucotton;
the polyester type shape memory polyurethane resin is prepared from polyester diol and low molecular alcohol modified diisocyanate by a solvent-free polymerization method;
the low molecular alcohol modified diisocyanate is prepared by mixing and reacting low molecular weight dihydric alcohol and diisocyanate, wherein the mass content of isocyanate groups is 5-30 wt%;
the low molecular weight dihydric alcohol is at least one of monoethylene glycol, 1, 4-butanediol and 1, 6-hexanediol.
2. The all-plastic wire rod of claim 1, wherein the polyester diol is at least one of polyhexamethylene adipate diol, polyethylene glycol adipate diol, polybutylene glycol adipate diol, polycaprolactone diol, and polylactic acid diol.
3. The all-plastic wire rod of claim 1, wherein the diisocyanate is at least one of toluene diisocyanate, diphenylmethane diisocyanate, hexamethylene diisocyanate, and p-phenylene diisocyanate.
4. The all-plastic wire of claim 1, wherein the biodegradable polymer material is at least one of polylactic acid, polycaprolactone, polyhydroxybutyrate, and polyhydroxybutyrate copolymers; and/or the presence of a gas in the atmosphere,
the Shore hardness of the polyester type shape memory polyurethane resin is more than 90 degrees; and/or the presence of a gas in the atmosphere,
the Shore hardness of the polyether polyurethane resin is below 60 degrees.
5. A method for manufacturing an all-plastic wire rod for use in the production of the all-plastic wire rod according to any one of claims 1 to 3, comprising the steps of:
mixing and melting (20-40) parts of polyester type shape memory polyurethane resin, (20-40) parts of biodegradable high polymer material, (10-20) parts of polyether polyurethane resin, (1-5) parts of low molecular alcohol modified diisocyanate and (1-5) parts of cellucotton to prepare a polymer composite material;
and drawing the polymer composite material to obtain the all-plastic wire.
6. The method for producing an all-plastic wire rod according to claim 5, wherein the polyester-type shape memory polyurethane resin is produced by the method comprising:
mixing 1, 4-butanediol and toluene diisocyanate to prepare low molecular alcohol modified diisocyanate with the content of diisocyanate being 20%, then mixing and stirring the prepared low molecular alcohol modified diisocyanate and polybutylene adipate glycol to react for 5-40 minutes at room temperature to prepare a primary reactant, and then placing the primary reactant in an environment with the temperature of 60-80 ℃ to react for 6-10 hours to prepare the polyester type shape memory polyurethane resin; or,
Mixing monoethylene glycol and p-phenylene diisocyanate to prepare low molecular alcohol modified diisocyanate with the content of diisocyanate being 15%, then mixing and stirring the prepared low molecular alcohol modified diisocyanate and polyethylene glycol adipate diol at room temperature for 5-40 minutes to prepare a primary reactant, and then placing the primary reactant in an environment with the temperature of 60-80 ℃ for reaction for 6-10 hours to prepare the polyester type shape memory polyurethane resin; or,
mixing 1, 6-hexanediol and hexamethylene diisocyanate to prepare low molecular alcohol modified diisocyanate with the content of diisocyanate being 10%, then mixing and stirring the prepared low molecular alcohol modified diisocyanate and poly adipic acid glycol ester diol at room temperature for 5-40 minutes to prepare a primary reactant, and then placing the primary reactant in an environment with the temperature of 60-80 ℃ for reaction for 6-10 hours to prepare the polyester type shape memory polyurethane resin.
7. The method for manufacturing an all-plastic wire rod according to claim 5, wherein the biodegradable polymer material is one of polylactic acid, polycaprolactone, and polyhydroxyalkanoate, and the method for manufacturing an all-plastic wire rod comprises:
Mixing and melting 40 parts of the polyester-type shape memory polyurethane resin, 40 parts of the polylactic acid, 10 parts of the polyether polyurethane resin, 5 parts of the low molecular alcohol modified diisocyanate and 5 parts of the cellucotton to prepare a polymer composite material, and then drawing the polymer composite material to prepare the all-plastic wire rod; or,
mixing and melting 40 parts of the polyester-type shape memory polyurethane resin, 30 parts of the polycaprolactone, 5 parts of the polyether polyurethane resin, 3 parts of the low molecular alcohol modified diisocyanate and 3 parts of the cellucotton to prepare a polymer composite material, and then drawing the polymer composite material to prepare the all-plastic wire rod; or,
mixing and melting 30 parts of the polyester type shape memory polyurethane resin, 40 parts of the polyhydroxyalkanoate, 5 parts of the polyether polyurethane resin, 5 parts of the low molecular alcohol modified diisocyanate and 5 parts of the cellucotton to obtain a polymer composite material, and then drawing the polymer composite material to obtain the all-plastic wire rod.
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