CN113817312A - Production and manufacturing process of degradable environment-friendly optical mirror bracket - Google Patents
Production and manufacturing process of degradable environment-friendly optical mirror bracket Download PDFInfo
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- CN113817312A CN113817312A CN202111082617.9A CN202111082617A CN113817312A CN 113817312 A CN113817312 A CN 113817312A CN 202111082617 A CN202111082617 A CN 202111082617A CN 113817312 A CN113817312 A CN 113817312A
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- ORJVQPIHKOARKV-UHFFFAOYSA-N Nuciferine Natural products C1C2=CC=CC=C2C2=C(OC)C(OC)=CC3=C2C1N(C)CC3 ORJVQPIHKOARKV-UHFFFAOYSA-N 0.000 claims description 3
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Classifications
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C5/00—Constructions of non-optical parts
- G02C5/008—Spectacles frames characterized by their material, material structure and material properties
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- 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
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- 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
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a production and manufacturing process of a degradable environment-friendly optical mirror frame, which takes a plastic titanium high molecular material as a basic raw material, improves the performance of the raw material by melting and mixing a filler and plastic titanium, realizes the performance difference of a mirror frame and mirror legs by adding different fillers, adopts filler cellulose nanocrystal powder, poly adipic acid particles, poly lactic acid particles, glass fibers, white PPC plastic powder and plant dyes in the processing process of the mirror frame, optimizes the support property and the shear resistance of the mirror frame, adopts filler cellulose nanocrystal powder, poly adipic acid particles, polyvinyl alcohol powder, white PPC plastic powder, plant dyes and starch in the processing process of the mirror legs, and optimizes the flexibility of the mirror legs; the biodegradation rate of the mirror frame is improved by adding natural materials, so that the mirror frame is more in line with the design requirements of environmental protection.
Description
Technical Field
The invention relates to the technical field of spectacle frame production and processing, in particular to a production and manufacturing process of a degradable environment-friendly optical spectacle frame.
Background
With the development of the eyeglass industry, and under the background that people pay more and more attention to ecological environment and sustainable development problems, the degradable environment-friendly material is used for manufacturing the optical eyeglass frame and is more and more favored by the technical field of eyeglass frame production and processing. The design of the degradable environment-friendly material optical frame simultaneously satisfies the following requirements: the material is not popular in the market, becomes a 'short-lived' material, generates waste, and is contrary to the original intention of adopting degradable environment-friendly materials. The optical lens holder of present degradable environmental protection material includes metal mirror holder and non-metal mirror holder, and wherein the material that metal mirror holder often adopted has: pure titanium, titanium alloys, beta titanium and memory titanium alloys (titanium nickel alloys); the non-metal spectacle frame is made of the following materials: cellulose acetate, TR-90 (plastic titanium polymer material), tungsten titanium (composite material), PA66, and the like.
However, the spectacle frame made of metal or nonmetal materials has certain defects:
for example, in a metal spectacle frame, a pure titanium material is soft, so that the spectacle frame is difficult to manufacture more finely, and the stability and the strength can be ensured only by making lines thicker; the titanium alloy has high welding difficulty, inert gas is required to protect the titanium alloy during welding, so that the titanium alloy cannot be oxidized, otherwise, the titanium alloy cannot be welded, and the optical frame has a single style; although beta titanium is light in material and has better fatigue resistance and environmental corrosion resistance, the manufactured spectacle frame has poor wearing stability and is easy to deform. In addition, the processing technology of the metal spectacle frame is high in requirement, the processes of obtaining raw materials, purifying, heat treating, antiseptic treatment and the like are complex, the energy consumption is high, and the recycling difficulty after scrapping is high.
Regarding the spectacle frame made of non-metal materials, the commonly used cellulose acetate materials have the defects of extremely poor stability and easy deformation; the tungsten titanium spectacle frame often has the defects of easy breakage at the pile head of the spectacle leg, super brittleness of materials, poor shearing resistance and the like, and has higher processing difficulty; PA66 (nylon 66 material) is light and light as the material, but does not have the advantages of high tensile strength, flexibility and impact resistance; TR90 (plastic titanium polymer material) material is light in weight, excellent in flexibility, and widely used for manufacturing spectacle frames at present, but has the defect that the surface layer is easy to peel or fade. The spectacle frame made of non-metallic materials has the defects and the problem of slow degradation speed.
The application of the degradable environment-friendly material is a necessary trend for the development of the green ecological society and a necessary trend for the selection of materials for manufacturing the optical lens frame in the future. The material research of present optical mirror holder develops to green ization, novel compound, direction that can recycle gradually, and the emergence of these degradable environmental protection materials will certainly can improve functions such as service function, economic function, optical mirror holder form variety that optical mirror holder made, also can improve people's positive attitude to optical mirror holder, brings our new impression in the vision from this.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a production process of a degradable environment-friendly optical mirror bracket, which takes a plastic titanium high polymer material as a basic raw material, improves the performance of the raw material by melting and mixing a filler and the plastic titanium, realizes the performance difference of a mirror frame and mirror legs by adding different fillers, optimizes the support property and the shear resistance of the mirror frame, and optimizes the flexibility of the mirror legs; the biodegradation rate of the mirror frame is improved by adding natural materials, so that the mirror frame is more in line with the design requirements of environmental protection.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
the production and manufacturing process of the degradable environment-friendly optical frame comprises a frame, glasses legs and hinges, wherein the hinges comprise connecting pieces a and b used for connecting the frame and the glasses legs respectively, and the production and manufacturing process comprises the following procedures:
(1) manufacture of hinges
Titanium alloy or stainless steel is used as a raw material, and a connecting piece a and a connecting piece b are manufactured through machining, wherein the connecting piece a is provided with an extending part a for fixedly connecting the glasses frame, and the connecting piece b is provided with an extending part b for fixedly connecting the glasses legs;
(2) making of mirror frame
Preparation of S1 raw material and filler:
raw materials: plastic titanium particle
Filling: cellulose nanocrystal powder, poly adipic acid particles, polylactic acid particles, glass fibers, white PPC plastic powder and vegetable dye
S2, manufacturing a composite material:
s2.0, heating plastic titanium particles to a complete molten state and keeping the temperature at 250-300 ℃;
s2.1, taking the addition amount of plastic titanium particles as a reference, adding 0.5-3% of cellulose nanocrystal powder, 2-7% of glass fiber and 5-10% of white PPC plastic powder into molten plastic titanium, and increasing the heating temperature to 350-420 ℃ until the mixture is in a completely molten state and keeping the temperature for 10-18 min;
s2.2, reducing the temperature to 200-220 ℃, adding 15-20% of poly adipic acid particles and 8-10% of polylactic acid particles, and maintaining the temperature of the mixture at 200-220 ℃ until the mixture is in a completely molten state;
s2.3, reducing the temperature to 120-150 ℃, and adding a specific amount of plant dye with a specific color according to the design requirement of a product;
s2.4, stirring or vibrating the molten mixed material to homogenize the mixing;
s3 injection molding:
s3.0, placing the extension part a of the connecting piece a in an injection mold, wherein the position of the extension part a corresponds to the molding position of a pile head of a mirror frame in the injection mold;
s3.1, preheating an injection mold to 40-50 ℃;
s3.2, injecting the molten mixture into an injection mold, and waiting for the mixture to be completely crystallized and solidified;
s3.3, demolding to obtain a primary mirror frame;
s4 appearance processing: polishing the demoulded mirror frame to make the surface of the mirror frame smooth;
(3) making of glasses legs
Preparation of S1 raw material and filler:
raw materials: plastic titanium particle
Filling: cellulose nanocrystal powder, poly adipic acid particles, polyvinyl alcohol powder, white PPC plastic powder, plant dye and starch
S2, manufacturing a composite material:
s2.0, heating plastic titanium particles to a complete molten state and keeping the temperature at 250-300 ℃;
s2.1, taking the addition amount of plastic titanium particles as a reference, adding 0.5-3% of cellulose nanocrystal powder, 5-10% of white PPC plastic powder and 2-5% of starch into molten plastic titanium, and increasing the heating temperature to 350-420 ℃ until the mixture is in a completely molten state and keeping the temperature for 10-18 min;
s2.2, reducing the temperature to 200-220 ℃, adding 15-20% of poly adipic acid particles and 4-8% of polyvinyl alcohol powder, and maintaining the temperature of the mixture at 200-220 ℃ until the mixture is in a completely molten state;
s2.3, reducing the temperature to 120-150 ℃, and adding a specific amount of plant dye with a specific color according to the design requirement of a product;
s2.4, stirring or vibrating the molten mixed material to homogenize the mixing;
s3 injection molding:
s3.0, placing the extension part b of the connecting piece b in an injection mold, wherein the position of the extension part b corresponds to the forming position of a leg pile head of a glasses leg in the injection mold;
s3.1, preheating an injection mold to 40-50 ℃;
s3.2, injecting the molten mixture into an injection mold, and waiting for the mixture to be completely crystallized and solidified;
s3.3, demolding to obtain a primary glasses leg;
s4 appearance processing: polishing the demolded glasses legs to make the surfaces of the glasses legs smooth;
(4) assembling and installing: and hinging the connecting piece b connected with the glasses legs with the connecting piece a connected with the glasses frame to realize the combined installation of the glasses legs and the glasses frame, wherein the two sides of the glasses frame are respectively connected with one glasses leg.
Compared with the prior art, the production and manufacturing process of the degradable environment-friendly optical frame adopting the technical scheme has the following beneficial effects:
one, plastic titanium macromolecular material, TR90 promptly, have lighter, the good advantage of pliability, but the mirror holder of its TR90 material degradation rate itself is lower, and surface adhesion is more weak, and the polyadipic acid granule has good degradability (100% biodegradable rate), and has better adhesive force, through forming the copolymer with plastic titanium and polyadipic acid, be favorable to promoting this mirror holder material's degradation speed and degradation rate, improve the material adhesive force simultaneously, do benefit to and prevent that the top layer from droing and prevent pigment and run off.
Secondly, modifying the plastic titanium-poly adipic acid blend by adopting polylactic acid to form a spherical permeable reticular structure in the blend, so that the composite material has higher yield stress and elastic modulus; in the manufacturing process of the glasses legs, the polyvinyl alcohol is adopted to modify the plastic titanium-poly adipic acid blend so as to greatly improve the tensile strength and the fracture deformation rate of the composite material, thereby being beneficial to improving the flexibility of the glasses legs and avoiding the glasses legs from being fractured due to frequent breaking, and in addition, the polyvinyl alcohol also has good biodegradability.
In the manufacturing process of the mirror frame, the glass fiber is added to improve the rigidity, the shock resistance, the flame retardance and the corrosion resistance of the composite material, the adhesion with plastic titanium is good, the strength of the mirror frame is improved, the light transmittance can be improved, and the color expression after the dye is added is facilitated.
And fourthly, adding the cellulose nanocrystal powder before adding the poly adipic acid particles, so that the compatibility of the composite material can be improved, the mechanical property and the rheological property of the composite material are improved, the dispersion degree of the poly adipic acid and other materials in molten plastic titanium is improved, and the degradability of the composite material is maintained.
And fifthly, adding polylactic acid and poly adipic acid to form a permeable net structure in the plastic titanium-poly adipic acid blend, and filling the added plant dye into the permeable net structure in a permeable manner, wherein the plant dye has no pollution and degradability but poor stability, and the plant dye molecules are fixed and protected in the permeable net structure to prevent color loss.
And sixthly, the addition of the white PPC plastic powder can improve the thermal stability and the crystallization capacity of the composite material, so that the composite material is quickly solidified and stabilized in the injection molding process, and the influence on the color expression of the composite material is avoided being reduced to the maximum extent.
Preferably, in the steps (2) and (3), modified cellulose nanocrystals are used as the cellulose nanocrystal powder, and the modified cellulose nanocrystals may be octadecyl isocyanate-functional cellulose nanocrystals, acetic anhydride-modified cellulose nanocrystals, or adipic acid-functional cellulose nanocrystals.
The cellulose nanocrystals modified by octadecyl isocyanate or acetic anhydride are adopted, so that the thermal property, rheological property and mechanical property of the composite material are enhanced; the cellulose nanocrystals modified by adipic acid are adopted, so that the relative crystallinity of the nanocrystals is enhanced, and the crystallization capacity of the composite material is further enhanced.
Preferably, in the substep S2.1 of step S2 of the step (2), 0.2% to 0.5% of montmorillonite, 0.4% to 0.8% of sepiolite and 0.2% to 0.4% of nano titanium dioxide are added to the molten plastic titanium, so that the reflectivity of the composite material to different wavelengths of light can be changed, and the transmission of ultraviolet rays and visible light can be reduced.
Preferably, in the substep S2.2 of step S2 in the step (3), 0.8% -1.2% of acetylated green bamboo fiber or 1.5% -2% of lignin is added to the molten plastic titanium, and the acetylated green bamboo fiber and the lignin are all natural high molecular materials, so that the biodegradable composite material has better biodegradability, can improve the elastic modulus of the composite material, shows ideal tensile property, has lower acquisition cost, and conforms to the concept of green sustainable development.
Preferably, 3% to 8% lotus leaf extract is added in substep S2.3 of step S2 of step (2) and substep S2.3 of step S2 of step (3).
Preferably, the lotus leaf extract comprises nuciferine and lotus leaf surface wax.
The lotus leaf extract can improve the hydrophobicity of the material, and can effectively prevent sweat from being stuck on the surface of the spectacle frame for a long time when the spectacles are worn, so that the discomfort of a wearer is relieved, and the spectacle frame can be prevented from being corroded by the sweat; in addition, nuciferine in folium Nelumbinis extract has antimitotic effect and has strong antibacterial effect.
In the substep S2.4 of the step S2 of the step (2) and the substep S2.4 of the step S2 of the step (3), the molten mixture was subjected to oscillatory mixing using a high-frequency oscillatory mixing apparatus, and the vibration frequency was set to 5000-7000 Hz.
Preferably, in the step (1), a through hole is formed in the extending part a by means of stamping, casting or cutting, a through hole is formed in the extending part b by means of stamping, casting or cutting, when the spectacle frame and the spectacle arm are subjected to injection molding, the extending part a/the extending part b are directly cast in the spectacle frame/the spectacle arm, and the molten mixed material enters the through hole of the extending part a/the extending part b, so that the solidified spectacle frame/spectacle arm and the extending part a/the extending part b have stronger connection stability, and the service life of the spectacle is prolonged.
Drawings
Fig. 1 is a process flow diagram of an embodiment of a manufacturing process of the degradable environment-friendly optical frame of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the process for producing the degradable environment-friendly optical frame comprises a frame, glasses legs and hinges, wherein the hinges comprise connecting pieces a and b for respectively connecting the frame and the glasses legs, and the connecting pieces a and b are hinged to each other, and the process comprises the following steps:
(1) manufacture of hinges
The method comprises the following steps of taking titanium alloy or stainless steel as a raw material, machining to form a connecting piece a and a connecting piece b, wherein the connecting piece a is provided with an extending part a for fixedly connecting a spectacle frame, the connecting piece b is provided with an extending part b for fixedly connecting spectacle legs, a through hole is formed in the extending part a in a stamping, casting or cutting mode, and a through hole is formed in the extending part b in a stamping, casting or cutting mode;
(2) making of mirror frame
Preparation of S1 raw material and filler:
raw materials: plastic titanium particle
Filling: preparing a composite material from adipic acid functionalized cellulose nanocrystal powder, poly adipic acid particles, polylactic acid particles, glass fibers, white PPC plastic powder, a plant dye, montmorillonite, sepiolite and nano titanium dioxide S2:
s2.0, heating plastic titanium particles to a complete molten state and keeping the temperature at 250 ℃;
s2.1 adding 1.5 percent of adipic acid functional cellulose nanocrystal powder, 5 percent of glass fiber, 8 percent of white PPC plastic powder, and the like into molten plastic titanium by taking the adding amount of the plastic titanium particles as a reference,
0.3 percent of montmorillonite, 0.5 percent of sepiolite and 0.2 percent of nano titanium dioxide, increasing the heating temperature to 370 ℃,
until the mixture is in a completely molten state and the temperature is kept for 15 min;
s2.2, reducing the temperature to 200 ℃, adding 20 percent of poly adipic acid particles and 8 percent of polylactic acid particles,
maintaining the temperature of the mixture at 200 ℃ until the mixture is in a completely molten state;
s2.3, reducing the temperature to 125 ℃, adding a specific amount of plant dye with a specific color according to the design requirement of the product, and then adding 4% of lotus leaf extract;
s2.4, oscillating and mixing the molten mixed material by adopting high-frequency oscillation mixing equipment, wherein the vibration frequency is designed to be 5500Hz so as to homogenize the mixing;
s3 injection molding:
s3.0, placing the extension part a of the connecting piece a in an injection mold, wherein the position of the extension part a corresponds to the molding position of a pile head of a frame in the injection mold;
s3.1, preheating an injection mold to 42 ℃;
s3.2, injecting the molten mixture into an injection mold, and waiting for the mixture to be completely crystallized and solidified;
s3.3, demolding to obtain a primary mirror frame;
s4 appearance processing: polishing the demoulded mirror frame to make the surface of the mirror frame smooth;
(3) making of glasses legs
Preparation of S1 raw material and filler:
raw materials: plastic titanium particle
Filling: adipic acid functionalized cellulose nanocrystal powder, poly adipic acid particles, polyvinyl alcohol powder, white PPC plastic powder, plant dye, starch and acetylated green bamboo fiber
S2, manufacturing a composite material:
s2.0, heating plastic titanium particles to a complete molten state and keeping the temperature at 250 ℃;
s2.1, taking the addition amount of plastic titanium particles as a reference, adding 1.5% of adipic acid functional cellulose nanocrystal powder, 8% of white PPC plastic powder, 2% of starch and 1.1% of acetylated green bamboo fiber into molten plastic titanium, and increasing the heating temperature to 380 ℃ until the mixture is in a completely molten state and keeping the temperature for 10-18 min;
s2.2, reducing the temperature to 200 ℃, adding 20 percent of poly adipic acid particles and 6 percent of polyvinyl alcohol powder,
maintaining the temperature of the mixture at 200 ℃ until the mixture is in a completely molten state;
s2.3, reducing the temperature to 125 ℃, adding a specific amount of plant dye with a specific color according to the design requirement of the product, and then adding 4% of lotus leaf extract;
s2.4, oscillating and mixing the molten mixed material by adopting high-frequency oscillation mixing equipment, wherein the vibration frequency is designed to be 5500Hz so as to homogenize the mixing;
s3 injection molding:
s3.0, placing the extension part b of the connecting piece b in an injection mold, wherein the position of the extension part b corresponds to the forming position of a leg pile head of a glasses leg in the injection mold;
s3.1, preheating an injection mold to 42 ℃;
s3.2, injecting the molten mixture into an injection mold, and waiting for the mixture to be completely crystallized and solidified;
s3.3, demolding to obtain a primary glasses leg;
s4 appearance processing: polishing the demolded glasses legs to make the surfaces of the glasses legs smooth;
(4) assembling and installing: the connecting piece b connected with the glasses legs is hinged with the connecting piece a connected with the glasses frame, so that the glasses legs and the glasses frame are assembled, and the two sides of the glasses frame are respectively connected with one glasses leg.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (8)
1. The utility model provides a production manufacturing process of degradable environmental protection optical mirror holder, optical mirror holder includes picture frame, mirror leg and hinge, the hinge is including being used for connecting piece a and the connecting piece b of picture frame and mirror leg respectively, its characterized in that includes following process:
(1) manufacture of hinges
Titanium alloy or stainless steel is used as a raw material, and a connecting piece a and a connecting piece b are manufactured through machining, wherein the connecting piece a is provided with an extending part a for fixedly connecting the glasses frame, and the connecting piece b is provided with an extending part b for fixedly connecting the glasses legs;
(2) making of mirror frame
Preparation of S1 raw material and filler:
raw materials: plastic titanium particle
Filling: cellulose nanocrystal powder, poly adipic acid particles, polylactic acid particles, glass fibers, white PPC plastic powder and vegetable dye
S2, manufacturing a composite material:
s2.0, heating plastic titanium particles to a complete molten state and keeping the temperature at 250-300 ℃;
s2.1, taking the addition amount of plastic titanium particles as a reference, adding 0.5-3% of cellulose nanocrystal powder, 2-7% of glass fiber and 5-10% of white PPC plastic powder into molten plastic titanium, and increasing the heating temperature to 350-420 ℃ until the mixture is in a completely molten state and keeping the temperature for 10-18 min;
s2.2, reducing the temperature to 200-220 ℃, adding 15-20% of poly adipic acid particles and 8-10% of polylactic acid particles, and maintaining the temperature of the mixture at 200-220 ℃ until the mixture is in a completely molten state;
s2.3, reducing the temperature to 120-150 ℃, and adding a specific amount of plant dye with a specific color according to the design requirement of a product;
s2.4, stirring or vibrating the molten mixed material to homogenize the mixing;
s3 injection molding:
s3.0, placing the extension part a of the connecting piece a in an injection mold, wherein the position of the extension part a corresponds to the molding position of a pile head of a mirror frame in the injection mold;
s3.1, preheating an injection mold to 40-50 ℃;
s3.2, injecting the molten mixture into an injection mold, and waiting for the mixture to be completely crystallized and solidified;
s3.3, demolding to obtain a primary mirror frame;
s4 appearance processing: polishing the demoulded mirror frame to make the surface of the mirror frame smooth;
(3) making of glasses legs
Preparation of S1 raw material and filler:
raw materials: plastic titanium particle
Filling: cellulose nanocrystal powder, poly adipic acid particles, polyvinyl alcohol powder, white PPC plastic powder, plant dye and starch
S2, manufacturing a composite material:
s2.0, heating plastic titanium particles to a complete molten state and keeping the temperature at 250-300 ℃;
s2.1, taking the addition amount of plastic titanium particles as a reference, adding 0.5-3% of cellulose nanocrystal powder, 5-10% of white PPC plastic powder and 2-5% of starch into molten plastic titanium, and increasing the heating temperature to 350-420 ℃ until the mixture is in a completely molten state and keeping the temperature for 10-18 min;
s2.2, reducing the temperature to 200-220 ℃, adding 15-20% of poly adipic acid particles and 4-8% of polyvinyl alcohol powder, and maintaining the temperature of the mixture at 200-220 ℃ until the mixture is in a completely molten state;
s2.3, reducing the temperature to 120-150 ℃, and adding a specific amount of plant dye with a specific color according to the design requirement of a product;
s2.4, stirring or vibrating the molten mixed material to homogenize the mixing;
s3 injection molding:
s3.0, placing the extension part b of the connecting piece b in an injection mold, wherein the position of the extension part b corresponds to the forming position of a leg pile head of a glasses leg in the injection mold;
s3.1, preheating an injection mold to 40-50 ℃;
s3.2, injecting the molten mixture into an injection mold, and waiting for the mixture to be completely crystallized and solidified;
s3.3, demolding to obtain a primary glasses leg;
s4 appearance processing: polishing the demolded glasses legs to make the surfaces of the glasses legs smooth;
(4) assembling and installing: and hinging the connecting piece b connected with the glasses legs with the connecting piece a connected with the glasses frame to realize the combined installation of the glasses legs and the glasses frame, wherein the two sides of the glasses frame are respectively connected with one glasses leg.
2. The process of claim 1, wherein in step (2) and step (3), the cellulose nanocrystal powder is modified cellulose nanocrystals, and the modified cellulose nanocrystals can be octadecyl isocyanate-functionalized cellulose nanocrystals, acetic anhydride-modified cellulose nanocrystals, or adipic acid-functionalized cellulose nanocrystals.
3. The process for producing a degradable environment-friendly optical frame according to claim 1, wherein in the substep S2.1 of the step S2 in the step (2), 0.2 to 0.5% of montmorillonite, 0.4 to 0.8% of sepiolite and 0.2 to 0.4% of nano titanium dioxide are added to the molten plastic titanium.
4. The process for producing a degradable environmentally friendly optical frame as claimed in claim 1, wherein in substep S2.2 of step S2 of step (3), 0.8% -1.2% of acetylated green bamboo fiber or 1.5% -2% of lignin is added to the molten plastic titanium.
5. The process for producing a degradable environment-friendly optical frame according to claim 1, wherein 3% to 8% of lotus leaf extract is added in substep S2.3 of step S2 of step (2) and substep S2.3 of step S2 of step (3).
6. The process for producing a degradable environment-friendly optical frame according to claim 5, wherein the lotus leaf extract comprises nuciferine and lotus leaf surface wax.
7. The process for producing a degradable environment-friendly optical frame as claimed in claim 1, wherein in the substep S2.4 of the step S2 of the process (2) and the substep S2.4 of the step S2 of the process (3), the molten mixture is mixed by oscillation using a high-frequency oscillation mixing device, and the vibration frequency is designed to be 5000-7000 Hz.
8. The process for producing a degradable environmentally friendly optical frame according to claim 1, wherein in the step (1), the through hole is formed in the extension part a by punching, casting or cutting, and the through hole is formed in the extension part b by punching, casting or cutting.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111082617.9A CN113817312A (en) | 2021-09-15 | 2021-09-15 | Production and manufacturing process of degradable environment-friendly optical mirror bracket |
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| CN202111082617.9A CN113817312A (en) | 2021-09-15 | 2021-09-15 | Production and manufacturing process of degradable environment-friendly optical mirror bracket |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63136019A (en) * | 1986-11-28 | 1988-06-08 | Daiseru Hiyurusu Kk | Frame of spectacles |
| JP2002055313A (en) * | 2000-08-08 | 2002-02-20 | Fukui Megane Kogyo Kk | Spectacle frame member using magnesium alloy |
| CN108381957A (en) * | 2018-01-25 | 2018-08-10 | 温州市珍视光学有限公司 | A kind of preparation method of TR spectacle frames |
-
2021
- 2021-09-15 CN CN202111082617.9A patent/CN113817312A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63136019A (en) * | 1986-11-28 | 1988-06-08 | Daiseru Hiyurusu Kk | Frame of spectacles |
| JP2002055313A (en) * | 2000-08-08 | 2002-02-20 | Fukui Megane Kogyo Kk | Spectacle frame member using magnesium alloy |
| CN108381957A (en) * | 2018-01-25 | 2018-08-10 | 温州市珍视光学有限公司 | A kind of preparation method of TR spectacle frames |
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