CN115304904A - Anti-aging high-resilience earphone neck hanging wire and preparation method thereof - Google Patents
Anti-aging high-resilience earphone neck hanging wire and preparation method thereof Download PDFInfo
- Publication number
- CN115304904A CN115304904A CN202211099134.4A CN202211099134A CN115304904A CN 115304904 A CN115304904 A CN 115304904A CN 202211099134 A CN202211099134 A CN 202211099134A CN 115304904 A CN115304904 A CN 115304904A
- Authority
- CN
- China
- Prior art keywords
- melting
- glass powder
- low
- point glass
- aging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003712 anti-aging effect Effects 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 37
- 239000011521 glass Substances 0.000 claims abstract description 78
- 239000000843 powder Substances 0.000 claims abstract description 76
- 230000032683 aging Effects 0.000 claims abstract description 39
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 30
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims abstract description 18
- 229920001577 copolymer Polymers 0.000 claims abstract description 16
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 15
- 239000010703 silicon Substances 0.000 claims abstract description 15
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims abstract description 14
- 239000003921 oil Substances 0.000 claims abstract description 14
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 14
- 229920001971 elastomer Polymers 0.000 claims abstract description 13
- 239000000806 elastomer Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims abstract description 8
- ALVYUZIFSCKIFP-UHFFFAOYSA-N triethoxy(2-methylpropyl)silane Chemical compound CCO[Si](CC(C)C)(OCC)OCC ALVYUZIFSCKIFP-UHFFFAOYSA-N 0.000 claims abstract description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 5
- 239000010936 titanium Substances 0.000 claims abstract description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 51
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 47
- 239000004917 carbon fiber Substances 0.000 claims description 47
- 239000000725 suspension Substances 0.000 claims description 30
- 239000000243 solution Substances 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 27
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 238000001035 drying Methods 0.000 claims description 22
- 238000002791 soaking Methods 0.000 claims description 22
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- 239000000376 reactant Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 17
- 239000012768 molten material Substances 0.000 claims description 17
- 238000005406 washing Methods 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000001746 injection moulding Methods 0.000 claims description 6
- 230000007935 neutral effect Effects 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 238000000967 suction filtration Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 5
- 238000009210 therapy by ultrasound Methods 0.000 claims description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- 238000010306 acid treatment Methods 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims description 4
- 238000009832 plasma treatment Methods 0.000 claims description 4
- 239000012495 reaction gas Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000002715 modification method Methods 0.000 claims description 2
- 210000004243 sweat Anatomy 0.000 abstract description 24
- 239000002537 cosmetic Substances 0.000 abstract description 20
- 230000000052 comparative effect Effects 0.000 description 17
- 238000012360 testing method Methods 0.000 description 17
- 238000005336 cracking Methods 0.000 description 11
- 239000011159 matrix material Substances 0.000 description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 9
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229920001875 Ebonite Polymers 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000005562 fading Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000002087 whitening effect Effects 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000003238 somatosensory effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 229920006346 thermoplastic polyester elastomer Polymers 0.000 description 1
- 229940099259 vaseline Drugs 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The application relates to the technical field of composite materials, and particularly discloses an aging-resistant high-resilience earphone neck hanging wire and a preparation method thereof. The utility model provides an earphone of resistant ageing high resilience hangs neck line, its includes hangs neck frame, control area, hang the neck frame and include the following parts by weight raw materials: 20-30 parts of thermoplastic polyurethane elastomer, 25-40 parts of naphthenic oil, 10-15 parts of organic silicon copolymer, 10-15 parts of ethylene propylene diene monomer, 15-20 parts of isobutyl triethoxy silicon and 2-4 parts of anti-aging agent; the anti-aging agent is a composite anti-aging agent synthesized by using low-melting-point glass powder as a carrier and titanium tetrachloride as a titanium source. The earphone neck hanging wire obtained by the application has the advantages of high artificial sweat resistance, high cosmetic resistance and high aging resistance.
Description
Technical Field
The application relates to the technical field of composite materials, in particular to an aging-resistant high-resilience earphone neck hanging wire and a preparation method thereof.
Background
The existing Bluetooth earphones are divided into wired type and wireless type, two wired type Bluetooth earphones are connected through a cable, and the main structure of the existing wireless Bluetooth earphones comprises an in-ear type earphone, a head-wearing type earphone, a neck-hanging type earphone and the like; wherein, hang neck formula bluetooth headset because its use is worn the convenience, has received user's favor more and more.
The neck hanging type Bluetooth headset structurally comprises a neck hanging frame and a control area, wherein the neck hanging frame is hung on a neck and is made of elastic soft rubber materials, such as TPU materials; the control area is connected to the neck hanging frame, the control area is generally made of hard rubber, and a wire control and a battery box are arranged on the control area.
Under the influence of sweat stain, cosmetics, ultraviolet rays, high temperature and other factors, the neck hanging frame is easy to age, and the phenomena of cracking, whitening, oil formation and the like are generated, so that the normal use is influenced.
Disclosure of Invention
In order to improve the anti-aging effect of the earphone neck hanging wire, the application provides an earphone neck hanging wire with aging resistance and high resilience and a preparation method thereof.
In a first aspect, the application provides an aging-resistant high-resilience earphone hanging neck wire and a preparation method thereof, and the following technical scheme is adopted:
the anti-aging high-resilience earphone neck hanging wire comprises a neck hanging frame and a control area, wherein the neck hanging frame comprises the following raw materials in parts by weight: 20-30 parts of thermoplastic polyurethane elastomer, 25-40 parts of naphthenic oil, 10-15 parts of organic silicon copolymer, 10-15 parts of ethylene propylene diene monomer, 15-20 parts of isobutyl triethoxy silicon and 2-4 parts of anti-aging agent;
the anti-aging agent is a composite anti-aging agent synthesized by using low-melting-point glass powder as a carrier and titanium tetrachloride as a titanium source.
By adopting the technical scheme, the thermoplastic polyurethane elastomer has good compatibility with the organic silicon copolymer, and is cooperated with the naphthenic oil, so that the high tearing strength of the material is ensured, the silky touch feeling of the material is provided, and the water resistance and the sweat pollution resistance of the material are improved. The ethylene propylene diene monomer rubber has good elasticity, compression deformation resistance, weather resistance, ageing resistance, ozone resistance and chemical resistance, and the elasticity and ageing resistance of the material are improved by adding the ethylene propylene diene monomer rubber. The addition of the isobutyl triethoxy silicon improves the capability of the material for resisting ultraviolet rays, perspiration and cosmetics.
The low-temperature melting glass powder is a non-toxic, tasteless and pollution-free inorganic non-metallic material, has excellent performances of good temperature resistance, acid and alkali corrosion resistance, poor thermal conductivity, high insulation, low expansion, stable chemical performance, high hardness and the like, is not easy to react with other substances, does not react with most of acid and alkali, and effectively improves the capability of resisting ultraviolet rays, sweat stains and damages to cosmetics.
Titanium tetrachloride is used as a titanium source to synthesize the compound anti-aging agent by taking low-melting-point glass powder as a carrier, the surface of the anti-aging agent is formed by arranging numerous fine titanium oxide particles, and titanium oxide nanoparticles are orderly arranged to avoid a large amount of agglomeration, so that the anti-aging agent has a large specific surface area and active reaction sites, can absorb and reflect ultraviolet light in a wide waveband and scatter the ultraviolet light in all directions, greatly improves the ultraviolet shielding effect of the material, and improves the anti-aging capability of the material.
Preferably, the preparation method of the compound anti-aging agent comprises the following steps:
1) Soaking the low-melting-point glass powder in 20-25wt/% of sodium hydroxide solution, heating to 40-45 ℃, stirring and soaking for 1-2h, carrying out suction filtration and washing until the pH value is 7, then soaking the treated low-melting-point glass powder in 10-15wt/% of hydrochloric acid solution, stirring and soaking for 1-2h at 23-27 ℃, carrying out suction filtration and washing until the pH value is 7, and drying to obtain pretreated low-melting-point glass powder;
2) Taking pretreated low-melting-point glass powder, adding water to prepare a low-melting-point glass powder suspension, wherein the ratio of the low-melting-point glass powder to the water is that 1g of the low-melting-point glass powder corresponds to 300-400ml of water, heating the low-melting-point glass powder suspension to 50-55 ℃ and keeping the temperature unchanged, and then dropwise adding 10-15wt/% of hydrochloric acid to ensure that the pH value of the low-melting-point glass powder suspension is 5-6; dropwise adding a titanium tetrachloride absolute ethyl alcohol solution into the low-melting-point glass powder suspension, keeping the pH and the temperature of the suspension unchanged until the dropwise adding of the titanium tetrachloride absolute ethyl alcohol solution is finished, and keeping the temperature and the pH of the system to continuously react for 1h after the dropwise adding is finished; and after the reactants are cooled to room temperature, washing the reactants to be neutral, drying the reactants at 100-120 ℃ for 10-12h, and finally roasting at 500-550 ℃ for 2h to obtain the compound anti-aging agent.
By adopting the technical scheme, the low-melting-point glass powder is subjected to acid-base pretreatment, so that the roughness of the low-melting-point glass powder is improved, and convenience is provided for loading titanium oxide particles, and then titanium tetrachloride is dropwise added, so that the titanium oxide particles are orderly and tightly arranged on the low-melting-point glass powder, the inorganic nano-composite anti-aging agent is obtained, and the ultraviolet resistance effect of the anti-aging agent is greatly improved; meanwhile, the dispersibility of the low-melting-point glass powder in the organic matrix is improved, the bonding strength of the low-melting-point glass powder and the organic matrix is improved, and the ageing resistance of the material is further improved.
The treatment temperature, treatment time, solution concentration, etc. may be any value within the ranges defined herein, such as 20 to 25wt/% sodium hydroxide solution, may be 20wt/% sodium hydroxide solution, 22wt/% sodium hydroxide solution, 25wt/% sodium hydroxide solution, etc.
Preferably, the particle size of the low-melting glass powder is 5-10 μm.
By adopting the technical scheme, the particle size of the low-melting-point glass powder is limited, so that the load of titanium oxide particles is ensured, the dispersion of the glass powder in an organic matrix and the bonding strength of the glass powder and the organic matrix are ensured, and the improvement of the comprehensive properties of the material, such as ageing resistance, mechanical property and the like, is facilitated.
Preferably, the low-melting glass powder is subjected to surface modification treatment by a silane coupling agent.
By adopting the technical scheme, the silane coupling agent is used for carrying out surface treatment on the low-melting-point glass powder, so that the bonding strength of the glass powder and an organic matrix is improved, the probability of cracking of the material under the action of ultraviolet rays, sweat stains, cosmetics and the like is reduced, and the ageing resistance of the material is further improved.
Preferably, the neck hanging frame further comprises 5-7 parts by weight of carbon fiber.
By adopting the technical scheme, the carbon fiber is stable in property and high in tolerance to sweat stains and cosmetics, and after the carbon fiber is added, the carbon fiber plays a role in pulling in the material, so that the probability of cracking of the material under the action of ultraviolet rays, sweat stains, cosmetics and the like is reduced, and the anti-aging effect of the material is further improved.
Preferably, the carbon fiber is modified carbon fiber, and the modification method comprises the following steps:
1) Pretreatment of
Subjecting carbon fiber to ultrasonic treatment in anhydrous ethanol and water for 5-8min, and drying at 60-65 deg.C to obtain pretreated carbon fiber;
2) Plasma treatment
Treating the carbon fiber obtained in the step 1) by using plasma jet for 2-3min, wherein the plasma jet has the following condition parameters: argon is used as reaction gas, the airflow rate is 3L/min, the discharge voltage is 25kV, the current is 1mA, and the frequency is 10kHz; obtaining carbon fibers treated by plasma;
3) Acid treatment
Soaking the carbon fiber treated by the plasma obtained in the step 2) in 60-65wt/% of nitric acid for reacting for 80-90min, taking out and cleaning for 2-3 times, and drying to obtain the modified carbon fiber.
By adopting the technical scheme, the plasma and the acid oxidation are used for cooperatively treating the carbon fiber, and active sites and oxygen-containing functional groups are introduced to the surface of the carbon fiber material, wherein the plasma mainly plays a role in activating the surface of the carbon fiber and promotes the carbon fiber to contact with an acid solution so as to improve the efficiency of acid oxidation; the roughness of the treated carbon fiber is improved, the hydrophilicity is enhanced, the bonding strength of the carbon fiber and an organic matrix is effectively improved, the anti-cracking effect of the material is further improved, and the anti-aging performance is further improved.
The treatment temperature, the treatment time and the like can be any value in the range defined by the application, such as 5-8min of ultrasound, 5min of ultrasound, 7min of ultrasound, 8min of ultrasound and the like.
Preferably, the silicone copolymer is a silicone and urethane copolymer.
By adopting the technical scheme, the organic silicon and carbamate copolymer is a thermoplastic material, and the molecular chain of the organic silicon and carbamate copolymer contains more organic silicon units similar to silicon rubber, so that the organic silicon and carbamate copolymer has the characteristic of excellent silky touch, and the organic silicon and carbamate copolymer can endow the composite material with better silky touch through blending modification, thereby improving the somatosensory use effect of the neck hanging frame.
Preferably, the control area is a general grade or impact grade ABS material.
In a second aspect, the application provides a preparation method of an aging-resistant high-resilience earphone hanging neck wire, which adopts the following technical scheme:
a preparation method of an aging-resistant high-resilience earphone neck hanging wire comprises the following steps:
s1. Preparation of neck-hanging frame molten material
Uniformly mixing a thermoplastic polyurethane elastomer, naphthenic oil, a thermoplastic polyester elastomer, an organic silicon copolymer, ethylene propylene diene monomer and isobutyl triethoxy silicon in parts by weight, then adding the rest raw materials, uniformly mixing, and carrying out melt blending at the temperature of 200-220 ℃ to obtain a neck-hanging frame molten material;
s2, preparing molten material in a control area
Melting ABS material at 180-240 deg.c to obtain molten material in the control area;
s3, injection molding
And (3) injection molding the molten material of the neck hanging frame obtained in the step (1) and the molten material of the control area obtained in the step (2) to obtain the earphone neck hanging line.
By adopting the technical scheme, the preparation method is simple and easy to operate, has no special requirements on production equipment, and is suitable for industrial production.
In summary, the present application has the following beneficial effects:
1. according to the application, the thermoplastic polyurethane elastomer, the naphthenic oil, the organic silicon copolymer, the ethylene propylene diene monomer and the isobutyl triethoxy silicon are compounded to serve as an organic matrix, and the composite anti-aging agent synthesized by taking titanium tetrachloride as a titanium source as a carrier of low-melting-point glass powder is matched to prepare the neck hanging frame of the earphone neck hanging wire, so that the artificial sweat resistance, the cosmetic resistance and the aging resistance of the earphone neck hanging wire are improved.
2. The carbon fiber is preferably added and modified, so that the artificial sweat resistance, the cosmetic resistance and the aging resistance of the machine-hung neck line are further improved.
Detailed Description
The present application will be described in further detail with reference to examples.
Preparation examples of starting materials and intermediates
Raw materials
The raw materials of the examples of the present application can be obtained commercially:
the thermoplastic polyurethane elastomer is Germany Bayer injection grade TPU with the mark of 9392AU;
naphthenic oil is analytically pure;
the organic silicon copolymer is an organic silicon and carbamate copolymer, wherein the proportion of organic silicon monomers is 65 percent;
the silane coupling agent is a silane coupling agent KH550;
the length of the carbon fiber is 10-15 μm;
the ABS material is impact-resistant.
Preparation example
Preparation example I-1
A silane coupling agent modified low-melting-point glass powder is prepared by the following steps:
and soaking the low-melting-point glass powder in a silane coupling agent solution for 10min, taking out, and drying at 60 ℃ for 1h to obtain the silane coupling agent modified low-melting-point glass powder.
Preparation example II-1
A compound anti-aging agent is prepared by the following steps:
1) Soaking low-melting-point glass powder with the particle size of 5-10 mu m in 25wt/% of sodium hydroxide solution, heating to 40 ℃, stirring and soaking for 1.5h, carrying out suction filtration and washing until the pH value is 7, then soaking the treated low-melting-point glass powder in 10wt/% of hydrochloric acid solution, stirring and soaking for 1.5h at 25 ℃, carrying out suction filtration and washing until the pH value is 7, and drying to obtain pretreated low-melting-point glass powder;
2) Taking 100g of pretreated low-melting-point glass powder, adding 40L of water to prepare a low-melting-point glass powder suspension, heating the low-melting-point glass powder suspension to 50 ℃, keeping the temperature unchanged, and then dropwise adding 10-wt/% hydrochloric acid to enable the pH value of the low-melting-point glass powder suspension to be 5; dropwise adding a titanium tetrachloride absolute ethyl alcohol solution into the low-melting-point glass powder suspension, keeping the pH and the temperature of the suspension unchanged, finishing dropwise adding the titanium tetrachloride absolute ethyl alcohol solution within 20min, and keeping the temperature and the pH of the system to continuously react for 1h after finishing dropwise adding; and after the reactants are cooled to room temperature, washing the reactants to be neutral, drying the reactants at 100 ℃ for 12h, and finally roasting at 500 ℃ for 2h to obtain the compound anti-aging agent.
Preparation example II-2
A compound anti-aging agent is prepared by the following steps:
1) Soaking low-melting-point glass powder with the particle size of 5-10 mu m in 25wt/% of sodium hydroxide solution, heating to 40 ℃, stirring and soaking for 3h, filtering and washing until the pH value is 7, and drying to obtain pretreated low-melting-point glass powder;
2) Taking 100g of pretreated low-melting-point glass powder, adding 40L of water to prepare low-melting-point glass powder suspension, heating the low-melting-point glass powder suspension to 50 ℃, keeping the temperature unchanged, and then dropwise adding 10-wt/% hydrochloric acid to enable the pH value of the low-melting-point glass powder suspension to be 5; dropwise adding a titanium tetrachloride absolute ethyl alcohol solution into the low-melting-point glass powder suspension, keeping the pH and the temperature of the suspension unchanged, finishing dropwise adding the titanium tetrachloride absolute ethyl alcohol solution for 20min, and keeping the temperature and the pH of the system to continuously react for 1h after finishing dropwise adding; and after the reactants are cooled to room temperature, washing the reactants to be neutral, drying the reactants at 100 ℃ for 12h, and finally roasting at 500 ℃ for 2h to obtain the compound anti-aging agent.
Preparation example II-3
A compound anti-aging agent is prepared by the following steps:
1) Soaking the low-melting-point glass powder with the particle size of 5-10 mu m in 10wt/% hydrochloric acid solution, stirring and soaking for 3 hours at 25 ℃, filtering and washing until the pH value is 7, and drying to obtain pretreated low-melting-point glass powder;
2) Taking 100g of pretreated low-melting-point glass powder, adding 40L of water to prepare low-melting-point glass powder suspension, heating the low-melting-point glass powder suspension to 50 ℃, keeping the temperature unchanged, and then dropwise adding 10-wt/% hydrochloric acid to enable the pH value of the low-melting-point glass powder suspension to be 5; dropwise adding a titanium tetrachloride absolute ethyl alcohol solution into the low-melting-point glass powder suspension, keeping the pH and the temperature of the suspension unchanged, finishing dropwise adding the titanium tetrachloride absolute ethyl alcohol solution within 20min, and keeping the temperature and the pH of the system to continuously react for 1h after finishing dropwise adding; and after the reactants are cooled to room temperature, washing the reactants to be neutral, drying the reactants at 100 ℃ for 12h, and finally roasting at 500 ℃ for 2h to obtain the compound anti-aging agent.
Preparation example II-4
The preparation method of the compound anti-aging agent comprises the following steps:
taking 100g of low-melting-point glass powder with the particle size of 5-10 mu m, adding 40L of water to prepare low-melting-point glass powder suspension, heating the low-melting-point glass powder suspension to 50 ℃, keeping the temperature unchanged, and then dropwise adding 10-wt/% hydrochloric acid to ensure that the pH value of the low-melting-point glass powder suspension is 5; dropwise adding a titanium tetrachloride absolute ethyl alcohol solution into the low-melting-point glass powder suspension, keeping the pH and the temperature of the suspension unchanged, finishing dropwise adding the titanium tetrachloride absolute ethyl alcohol solution within 20min, and keeping the temperature and the pH of the system to continuously react for 1h after finishing dropwise adding; and after the reactants are cooled to room temperature, washing the reactants to be neutral, drying the reactants at 100 ℃ for 12h, and finally roasting at 500 ℃ for 2h to obtain the compound anti-aging agent.
Preparation example II-5
Unlike preparation example II-1, preparation example II-5 had a low-melting glass frit having a particle size of 10 to 13 μm.
Preparation example II-6
Unlike preparation example II-1, preparation example II-6 was a melting point glass frit derived from preparation example I-1.
Preparation example III-1
A modified carbon fiber is prepared by the following steps:
1) Pretreatment of
Subjecting carbon fiber to ultrasonic treatment in absolute ethyl alcohol and water for 6min, and drying at 60 deg.C for 30min to obtain pretreated carbon fiber;
2) Plasma treatment
Treating the carbon fiber obtained in the step 1) by using plasma jet, introducing argon gas serving as reaction gas into a normal-pressure plasma equipment cavity, wherein the airflow rate is 3L/min, the discharge voltage is 25kV, the current is 1mA, the frequency is 10kHz, igniting the plasma for pre-discharging for 10min, adjusting the plasma discharge parameters and the position of a sample plate, after the discharge is stable, placing the carbon fiber obtained in the step 1) on the sample plate at the position of 1cm of a plasma nozzle for fixing, and treating for 2min under the atmospheric pressure plasma jet to obtain the carbon fiber treated by using the plasma;
3) Acid treatment
Soaking the carbon fiber treated by the plasma obtained in the step 2) in 60wt/% of nitric acid for reacting for 90min, taking out and washing with water for 3 times, and drying at 60 ℃ for 30min to obtain the modified carbon fiber.
Preparation example III-2
A modified carbon fiber is prepared by the following steps:
1) Pretreatment of
Subjecting carbon fiber to ultrasonic treatment in absolute ethyl alcohol and water for 6min, and drying at 60 deg.C for 30min to obtain pretreated carbon fiber;
2) Plasma treatment
Treating the carbon fiber obtained in the step 1) by using plasma jet, introducing argon gas serving as reaction gas into a normal-pressure plasma equipment cavity, wherein the airflow rate is 3L/min, the discharge voltage is 25kV, the current is 1mA, the frequency is 10kHz, igniting the plasma for pre-discharging for 10min, adjusting the plasma discharge parameters and the position of a sample plate, after the discharge is stable, placing the carbon fiber obtained in the step 1) on the sample plate at the position of 1cm of a plasma nozzle for fixing, and treating for 2min under the atmospheric pressure plasma jet to obtain the carbon fiber treated by the plasma, namely the modified carbon fiber.
Preparation example III-3
A modified carbon fiber is prepared by the following steps:
1) Pretreatment of
Subjecting carbon fiber to ultrasonic treatment in absolute ethyl alcohol and water for 6min, and drying at 60 deg.C for 30min to obtain pretreated carbon fiber;
2) Acid treatment
Soaking the pretreated carbon fiber in 60wt/% of nitric acid for reacting for 90min, taking out, washing with water for 3 times, and drying at 60 ℃ for 30min to obtain the modified carbon fiber.
Examples
Examples 1 to 6
An aging-resistant high-resilience earphone neck hanging wire comprises a neck hanging frame and a control area, and the preparation method comprises the following steps:
s1. Preparation of neck-hanging frame molten material
According to the proportion shown in the table 1, uniformly mixing a thermoplastic polyurethane elastomer, naphthenic oil, an organic silicon copolymer, ethylene propylene diene monomer and isobutyl triethoxy silicon, then adding an inorganic anti-aging agent and carbon fibers, uniformly mixing, and carrying out melt blending at the temperature of 200 ℃ to obtain a neck-hanging frame melt;
s2, preparing molten material in a control area
Melting ABS material at 220 ℃ to obtain control area molten material;
s3, injection molding
And (3) injection molding the molten material of the neck hanging frame obtained in the step (1) and the molten material of the control area obtained in the step (2) to obtain the earphone neck hanging line.
TABLE 1 EXAMPLES 1-6 raw materials proportioning Table (kg)
The anti-aging agent was obtained from preparation example II-1.
Examples 7 to 11
In contrast to example 5, the antiaging agents of examples 7 to 11 were obtained from preparation examples II-2 to II-6, respectively
Examples 12 to 14
Unlike example 11, the carbon fibers in examples 12 to 14 were modified carbon fibers modified by preparation examples III-1 to III-3, respectively.
Comparative example
Comparative example 1
In contrast to example 1, comparative example 1 replaces the silicone copolymer with an equal amount of thermoplastic polyurethane elastomer.
Comparative example 2
Unlike example 1, comparative example 2 replaces naphthenic oil with an equal amount of thermoplastic polyurethane elastomer.
Comparative example 3
In contrast to example 1, in comparative example 3 the isobutyltriethoxysilicane was replaced with an equal amount of thermoplastic polyurethane elastomer.
Comparative example 4
Unlike example 1, the aging inhibitor in comparative example 4 was titanium oxide.
Comparative example 5
Unlike example 1, the aging inhibitor in comparative example 4 was UV622.
Performance test
Detection method/test method
The following performance tests were performed on the products of examples 1-14 and comparative examples 1-5:
artificial sweat resistance test: and (3) testing environment: 35 ℃ C., 75% RH, test method: putting filter paper in artifical sweat and fully soaking, gluing the filter paper that soaks the sweat on hang neck frame surface with the sticky tape to ensure that the test paper fully contacts with the product surface, then put in test environment, after 72 hours, take out the sample from test environment, and after placing 2 hours, inspect the product, and score the evaluation according to the standard of table 2: 30 professionals score and then average; a sweat formula; artificial sweat testing: solution ingredients (1) clean drying water,100g, (2) Na 2 HPO 4 ·12H 2 O,5g, (3) NaCl,5g, (4) acetic Acid giaial, 2g; the solution was mixed and tested and then placed in a 45 ℃ test chamber for 24 hours.
Cosmetic resistance test: smearing vaseline on the neck-hanging frame, heating to 35 deg.C, standing for 72H at 75% humidity, cooling to room temperature, waiting for 2H, and wiping with dust-free cloth; the product was tested after testing and scored according to the criteria of table 2: the average was taken after 30 professionals scored.
And (3) aging test: baking the sample at 120 ℃ for 3 days, then baking at 60 ℃ for 1 day, and carrying out auxiliary ultraviolet lamp irradiation in the baking process, checking the product, and carrying out scoring evaluation according to the standard of table 3: the average was taken after 30 professionals scored.
The results of the performance measurements are shown in Table 4.
TABLE 2 evaluation criteria for artificial sweat resistance and cosmetic products
| Product condition | Score of |
| No discoloration, peeling, falling, fading and cracking on the surface | 90-100 |
| Slight color change, peeling, falling off, fading and cracking on the surface | 60-80 |
| The surface has obvious color change, peeling, falling, fading and cracking | 0-50 |
TABLE 3 aging resistance scoring criteria
| Product condition | Score of |
| No blushing, oil and cracking on the surface | 90-100 |
| Slight whitening, greasiness and cracking on the surface | 60-80 |
| Obvious whitening, oil and cracking on the surface | 0-50 |
TABLE 4 Performance test results
Combining examples 1-14 and comparative examples 1-5, and combining table 4, it can be seen that the artificial sweat resistance, cosmetic resistance and aging resistance of the products of examples 1-14 are all higher than those of comparative examples 1-5, which indicates that the artificial sweat resistance, cosmetic resistance and aging resistance of the earphone neckline prepared by the application are better.
Combining example 1 with comparative examples 1-3, and table 4, it can be seen that the absence of silicone copolymer, naphthenic oil, and isobutyltriethoxysilicane in the raw materials of comparative examples 1-3, respectively, results in lower scores for the artificial sweat resistance, cosmetic resistance, and aging resistance of comparative examples 1-3 relative to example 1, probably because the raw materials in this application cooperate with each other to improve the aging resistance of the neck line of the earphone.
By combining the example 2 with the examples 4-6 and the table 4, the scores of the artificial sweat resistance, the cosmetic resistance and the aging resistance of the products in the examples 4-6 are higher than those of the products in the example 2, which shows that the artificial sweat resistance, the cosmetic resistance and the aging resistance of the earphone neck hanging line can be further improved by adding the carbon fiber.
By combining the example 5 with the examples 7-10 and combining the table 4, the scores of the artificial sweat resistance, the cosmetic resistance and the aging resistance of the product in the example 5 are higher than those of the products in the examples 7-10, which shows that the roughness of the low-melting-point glass powder can be improved by performing acid-base pretreatment on the low-melting-point glass powder, so that convenience is provided for loading titanium oxide particles, the titanium oxide particles are orderly and tightly arranged on the low-melting-point glass powder, and the ultraviolet resistance effect of the titanium oxide particles is greatly improved; meanwhile, the dispersibility of the low-melting-point glass powder in the organic matrix is improved, the bonding strength of the low-melting-point glass powder and the organic matrix is improved, and the artificial sweat resistance, the cosmetic resistance and the aging resistance of the material are further improved.
Combining examples 11-14 and table 4, it can be seen that the scores of the artificial sweat resistance, the cosmetic resistance and the aging resistance of the products of examples 12-13 are all higher than that of example 11, which shows that the plasma and acid oxidation synergistic treatment can be used for carbon fiber, active sites and oxygen-containing functional groups are introduced on the surface of the carbon fiber material, the roughness of the carbon fiber is improved, the hydrophilicity is enhanced, the bonding strength of the carbon fiber and an organic matrix is effectively improved, the cracking resistance effect of the material is further improved, and therefore the artificial sweat resistance, the cosmetic resistance and the aging resistance are improved.
The headphone neckline in examples 1-14 was subjected to a head-on expansion test: wearing hard rubber sleeves, stretching the hard rubber sleeves by 30cm, and then testing for 10000 times in total when the hard rubber sleeves are restored to the original shape; standing for 2h after testing, and measuring the head-wearing width; the judgment standard is as follows: the change of the head-wearing width is less than 20%, and the head-wearing shape is not changed; the soft and hard glue can not be separated, and the gap can be automatically recovered. The headset neckline tests in examples 1-14 were all passed.
The earphone neckline of examples 1 to 14 was subjected to a bijection product bonding force test: measuring the binding force of the soft and hard glue, fixing the hard glue of the product, and hanging the soft part for 3.5kg for 1min; testing is carried out in four directions; the judgment standard is as follows: the soft and hard glue can not be separated, and the gap can be automatically recovered. The headset neck line tests in examples 1-14 were all passed.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (9)
1. The utility model provides an earphone of resistant ageing high resilience hangs neck line, its includes hangs neck frame, control area, its characterized in that hangs the neck frame and includes following parts by weight raw materials: 20-30 parts of thermoplastic polyurethane elastomer, 25-40 parts of naphthenic oil, 10-15 parts of organic silicon copolymer, 10-15 parts of ethylene propylene diene monomer, 15-20 parts of isobutyl triethoxy silicon and 2-4 parts of anti-aging agent;
the anti-aging agent is a composite anti-aging agent synthesized by using low-melting-point glass powder as a carrier and titanium tetrachloride as a titanium source.
2. The aging-resistant high-resilience earphone neckline according to claim 1, wherein: the preparation method of the compound anti-aging agent comprises the following steps:
1) Soaking the low-melting-point glass powder in 20-25wt/% of sodium hydroxide solution, heating to 40-45 ℃, stirring and soaking for 1-2h, carrying out suction filtration and washing until the pH value is 7, then soaking the treated low-melting-point glass powder in 10-15wt/% of hydrochloric acid solution, stirring and soaking for 1-2h at 23-27 ℃, carrying out suction filtration and washing until the pH value is 7, and drying to obtain pretreated low-melting-point glass powder;
2) Taking pretreated low-melting-point glass powder, adding the pretreated low-melting-point glass powder into water to prepare a low-melting-point glass powder suspension, wherein the ratio of the low-melting-point glass powder to the water is that 1g of the low-melting-point glass powder corresponds to 300-400ml of the water, heating the low-melting-point glass powder suspension to 50-55 ℃, keeping the temperature unchanged, and then dropwise adding 10-15wt/% hydrochloric acid to enable the p H value of the low-melting-point glass powder suspension to be 5-6; dropwise adding a titanium tetrachloride absolute ethyl alcohol solution into the low-melting-point glass powder suspension, keeping the pH and the temperature of the suspension unchanged until the dropwise adding of the titanium tetrachloride absolute ethyl alcohol solution is finished, and keeping the temperature and the pH of the system to continuously react for 1h after the dropwise adding is finished; and after the reactants are cooled to room temperature, washing the reactants to be neutral, drying the reactants at 100-120 ℃ for 10-12h, and finally roasting the reactants at 500-550 ℃ for 2h to obtain the composite anti-aging agent.
3. The aging-resistant high-resilience earphone neckline according to claim 2, wherein: the particle size of the low-melting-point glass powder is 5-10 mu m.
4. The aging-resistant high-resilience earphone neckline according to claim 2, wherein: and the low-melting-point glass powder is subjected to surface modification treatment by a silane coupling agent.
5. The aging-resistant high-resilience earphone neckline according to claim 1, wherein: the neck hanging frame also comprises 5-7 parts by weight of carbon fiber.
6. The aging-resistant high-resilience earphone neckline according to claim 5, wherein: the carbon fiber is modified, and the modification method comprises the following steps:
1) Pretreatment of
Subjecting carbon fiber to ultrasonic treatment in anhydrous ethanol and water for 5-8min, and drying at 60-65 deg.C to obtain pretreated carbon fiber;
2) Plasma treatment
Treating the carbon fiber obtained in the step 1) by using plasma jet for 2-3min, wherein the plasma jet has the following condition parameters: argon is used as reaction gas, the airflow rate is 3L/min, the discharge voltage is 25kV, the current is 1mA, and the frequency is 10kHz; obtaining carbon fibers treated by plasma;
3) Acid treatment
Soaking the carbon fiber treated by the plasma obtained in the step 2) in 60-65wt/% of nitric acid for reacting for 80-90min, taking out and cleaning for 2-3 times, and drying to obtain the modified carbon fiber.
7. The aging-resistant high-resilience earphone neckline according to claim 1, wherein: the silicone copolymer is a silicone and urethane copolymer.
8. The aging-resistant high-resilience earphone neckline according to claim 1, wherein: the control area is made of general-purpose grade or impact grade ABS material.
9. A method for preparing the aging-resistant high-resilience earphone neckline according to any one of claims 1 to 8, comprising the following steps:
s1. Preparation of neck-hanging frame molten material
Uniformly mixing a thermoplastic polyurethane elastomer, naphthenic oil, an organic silicon copolymer, ethylene propylene diene monomer and isobutyl triethoxy silicon in parts by weight, then adding the rest raw materials, uniformly mixing, and carrying out melt blending at the temperature of 200-220 ℃ to obtain a neck-hanging frame molten material;
s2. Preparation of molten material in control area
Melting ABS material at 180-240 deg.c to obtain molten material in the control area;
s3, injection molding
And (3) injection molding the molten material of the neck hanging frame obtained in the step (1) and the molten material of the control area obtained in the step (2) to obtain the earphone neck hanging line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211099134.4A CN115304904B (en) | 2022-09-08 | 2022-09-08 | Aging-resistant high-resilience earphone neck hanging wire and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211099134.4A CN115304904B (en) | 2022-09-08 | 2022-09-08 | Aging-resistant high-resilience earphone neck hanging wire and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115304904A true CN115304904A (en) | 2022-11-08 |
| CN115304904B CN115304904B (en) | 2024-02-20 |
Family
ID=83866139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211099134.4A Active CN115304904B (en) | 2022-09-08 | 2022-09-08 | Aging-resistant high-resilience earphone neck hanging wire and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115304904B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105199368A (en) * | 2015-10-23 | 2015-12-30 | 上海交通大学 | Modified carbon fiber reinforced thermoplastic polyurethane composite and preparation method thereof |
| KR101760060B1 (en) * | 2017-01-10 | 2017-07-20 | 주식회사 한별씨앤이 | Titanium dioxide photocatalyst composition for glass coating and preparation method thereof |
| CN107841223A (en) * | 2017-11-24 | 2018-03-27 | 广东华兹卜新材料科技有限公司 | A kind of coated by titanium dioxide hollow glass micropearl insulating moulding coating and preparation method thereof |
| KR101893353B1 (en) * | 2017-10-13 | 2018-09-03 | 이국성 | Resin composition fabricated by carbon fiber and thermoplastic polymer and resin composition manufactured by the same |
| CN109675590A (en) * | 2017-10-18 | 2019-04-26 | 封丽娟 | A kind of preparation method of titanium dioxide |
| CN109705646A (en) * | 2018-12-27 | 2019-05-03 | 江苏仁通节能科技有限公司 | A kind of titanium dioxide compounded mix and preparation method thereof, reflective heat-insulation paint |
| CN110564130A (en) * | 2018-06-06 | 2019-12-13 | 湖北文理学院 | seawater corrosion resistant thermoplastic polyurethane elastomer rubber and preparation method thereof |
| CN111944279A (en) * | 2020-08-21 | 2020-11-17 | 东莞市鼎誉新材料有限公司 | Neck-hanging line sizing material based on polyester elastomer and preparation method and application thereof |
| CN114634703A (en) * | 2022-04-24 | 2022-06-17 | 普特美橡塑原料(东莞)有限公司 | Silica gel-like handfeel elastomer composite suitable for wearable equipment and preparation method thereof |
-
2022
- 2022-09-08 CN CN202211099134.4A patent/CN115304904B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105199368A (en) * | 2015-10-23 | 2015-12-30 | 上海交通大学 | Modified carbon fiber reinforced thermoplastic polyurethane composite and preparation method thereof |
| KR101760060B1 (en) * | 2017-01-10 | 2017-07-20 | 주식회사 한별씨앤이 | Titanium dioxide photocatalyst composition for glass coating and preparation method thereof |
| KR101893353B1 (en) * | 2017-10-13 | 2018-09-03 | 이국성 | Resin composition fabricated by carbon fiber and thermoplastic polymer and resin composition manufactured by the same |
| CN109675590A (en) * | 2017-10-18 | 2019-04-26 | 封丽娟 | A kind of preparation method of titanium dioxide |
| CN107841223A (en) * | 2017-11-24 | 2018-03-27 | 广东华兹卜新材料科技有限公司 | A kind of coated by titanium dioxide hollow glass micropearl insulating moulding coating and preparation method thereof |
| CN110564130A (en) * | 2018-06-06 | 2019-12-13 | 湖北文理学院 | seawater corrosion resistant thermoplastic polyurethane elastomer rubber and preparation method thereof |
| CN109705646A (en) * | 2018-12-27 | 2019-05-03 | 江苏仁通节能科技有限公司 | A kind of titanium dioxide compounded mix and preparation method thereof, reflective heat-insulation paint |
| CN111944279A (en) * | 2020-08-21 | 2020-11-17 | 东莞市鼎誉新材料有限公司 | Neck-hanging line sizing material based on polyester elastomer and preparation method and application thereof |
| CN114634703A (en) * | 2022-04-24 | 2022-06-17 | 普特美橡塑原料(东莞)有限公司 | Silica gel-like handfeel elastomer composite suitable for wearable equipment and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115304904B (en) | 2024-02-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11434350B2 (en) | Cellulose resin composition, molded body and product using same, and a method for producing cellulose resin composition | |
| CN111534202B (en) | Hydrophilic anti-fogging coating and preparation method thereof | |
| CN115304904A (en) | Anti-aging high-resilience earphone neck hanging wire and preparation method thereof | |
| CN115262231B (en) | Self-repairing self-cleaning electromagnetic shielding fabric coating and preparation method and application thereof | |
| CN113308117A (en) | Silica gel watch band and preparation method thereof | |
| CN109023932B (en) | Fabric softener | |
| CN113045911A (en) | Processing method of sericite powder for rubber filler | |
| CN106349469A (en) | Synthesis method of reaction-type multifunctional copolyesters | |
| CN112323255A (en) | Oil-smoke-resistant efficient filtering melt-blown fabric and preparation method thereof | |
| CN114197209A (en) | Skin-feel fabric | |
| CN112895525A (en) | Preparation method of solvent-free automotive interior synthetic leather | |
| CN112375308A (en) | High-strength self-healing rubber material and preparation method thereof | |
| CN113214542B (en) | Composite antimony trioxide flame retardant and preparation method thereof | |
| CN109467845A (en) | A kind of fire-retardant and smoke-inhibiting type PVC composite material and preparation method | |
| EP4083132A1 (en) | Composite flame retardant, flame-retardant vibration-damping rubber with excellent comprehensive performance, and preparation methods thereof | |
| EP1616905A4 (en) | Rubber composition and tire using the same | |
| CN109503999A (en) | A kind of chlorovinyl flame retardant section bar and preparation method thereof | |
| CN107056840B (en) | A kind of preparation method of response type nitrogen phosphorus fire retardant | |
| CN114634703A (en) | Silica gel-like handfeel elastomer composite suitable for wearable equipment and preparation method thereof | |
| CN114292532A (en) | Magnesium hydroxide ultra-fining and surface modification method and application thereof | |
| CN112064165A (en) | Antistatic textile fabric and preparation method thereof | |
| CN110804309A (en) | 3D printing polymer powder material and preparation method thereof | |
| CN113789042B (en) | Flame-retardant environment-friendly PC-ABS composite plastic master batch and preparation method thereof | |
| CN111334002B (en) | Earplug manufacturing material and preparation method thereof | |
| CN109610035A (en) | Cage type polysilsesquioxane and nanometer Tai Ji stone are total to modified polyester fiber and preparation method thereof and textile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |