High-performance lens preparation method based on optical resin

Abstract

The invention discloses a high-performance lens preparation method based on optical resin, and particularly relates to the technical field of lens preparation, and the high-performance lens preparation method comprises the following steps: step 1, preparing optical resin, a thermoplastic material, unsaturated polyester resin, a flexibilizer and a modifier raw material; according to the invention, heating and ultraviolet irradiation are integrated to carry out curing treatment on the material, meanwhile, the formed material has certain antistatic performance, the definition and image quality of the lens are ensured, a conductive network is formed in the resin to eliminate electrostatic charges, the ion exchange resin exchanges ions in the resin to eliminate the electrostatic charges, and the antistatic performance of the lens is improved. And the surface active agent improves the conductivity of the surface of the resin material and reduces the accumulation of static electricity, so that the resin material achieves proper flowability, the flowability and viscosity of the resin are changed, and the resin is easier to fill a mold or form a required shape.

Description

Technical Field

[0001] The present invention relates to the technical field of lens preparation, and more particularly to a method for preparing a high-performance lens based on optical resin. Background Art

[0002] Optical resin is a transparent polymer material, usually used to manufacture optical components such as lenses. High-performance lenses refer to lenses that perform well in terms of optical performance, imaging quality, resolution, color reproduction, etc. High refractive index can make the lens more compact and lighter, thereby reducing the size and weight of the equipment. Low dispersion: Low dispersion can reduce chromatic aberration, making imaging clearer and colors more accurate. Good impact resistance: Optical resin has better impact resistance than traditional glass, which can effectively prevent damage to the lens caused by accidental impact.

[0003] Among them, after searching, it was found that the invention patent with patent application number CN201510868627.3 disclosed a high-refractive resin with controllable molecular weight and an environmentally friendly preparation method thereof. The preparation method adopts an addition reaction that does not produce small molecular byproducts, and controls the molecular weight of the product by rationally designing the addition sequence and ratio of the raw materials, thereby achieving control of the resin performance from a structural perspective;

[0004] The resin product of this method has a high refractive index and can be used in fields that require refractive properties, such as eyeglass lenses, optical lenses, and building materials. The general formula of the resin structure provided is structure I. However, when preparing high-performance lenses based on optical resins, static electricity will be generated due to friction. Static electricity will absorb dust and other impurities, affecting the clarity and image quality of the lens. Summary of the invention

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a method for preparing a high-performance lens based on an optical resin, aiming to solve the problems raised in the above-mentioned background technology.

[0006] The present invention is implemented in this way. The present invention provides the following technical solutions: a method for preparing a high-performance lens based on an optical resin, comprising the following steps;

[0007] Step 1: Prepare optical resin, thermoplastic material, unsaturated polyester resin, toughening agent and modifier raw materials;

[0008] Step 2: According to the required optical performance requirements, the resin ratio is carried out, including the ratio of resin to additives, the resin raw material and the additive raw material are mixed, and a uniform resin solution is prepared by heating and stirring;

[0009] Step 3: When preparing the additive, add the antistatic coating to the additive;

[0010] Step 4: obtaining a substrate by injection molding or extrusion molding, placing the substrate in a mold and grinding and polishing it to achieve the desired optical properties;

[0011] Step 5, curing the injection-molded resin lens by heating and ultraviolet irradiation;

[0012] Step 6: Surface treatment of the cured resin lens, including polishing and coating, is performed to ensure that it has optical properties and wear resistance. The prepared resin lens is tested, including optical and mechanical property tests, to ensure that it meets the required quality standards.

[0013] It can be seen that the above technical solution fully considers factors such as resin formula, molding process, curing treatment and surface treatment, and has certain innovation and practicality. It combines heating and ultraviolet irradiation to cure the material to ensure the molding accuracy of the material. At the same time, it can also make the material have certain antistatic properties after molding, ensuring the clarity and image quality of the lens;

[0014] Optionally, in a possible implementation manner, in the step 2, the additive is prepared by a premixing method: the antistatic additive is premixed with the resin and then injection molded;

[0015] Post-addition method: Antistatic coating is applied on the surface of the resin molded part, and the antistatic additive is evenly distributed on the surface through the coating process;

[0016] Dissolution method: dissolve the antistatic additive in a suitable solvent, then apply the solution on the resin surface to form an antistatic layer after the solvent evaporates;

[0017] In the step 3, the antistatic additive is one of a surfactant, an ion exchange resin, carbon fiber or metal particles, wherein the carbon fiber and the metal particles form a conductive network in the resin to achieve the effect of removing static electricity, the ion exchange resin eliminates static charge by exchanging ions in the resin, and improves the antistatic performance of the material, and the surfactant reduces the accumulation of static electricity by improving the conductivity of the resin material surface;

[0018] It can be seen that in the above technical solution, a conductive network is formed in the resin to achieve the effect of removing static electricity, eliminate static charge, improve the antistatic performance of the material, and reduce the accumulation of static electricity.

[0019] Optionally, in a possible implementation manner, during the injection molding in step 4, the mold is cleaned and coated to ensure the molding quality of the resin in the mold, and an injection molding machine is used for automatic injection molding, and multiple injection molding and pressure control are performed as needed to ensure the molding quality. During the curing treatment in step 6, the lens is preferentially heated to allow the resin material to reach a suitable fluidity, and then irradiated with ultraviolet light to activate the curing agent and complete the curing process;

[0020] Heating changes the fluidity and viscosity of the resin, making it easier to fill the mold or form the desired shape. Then, the UV curing process is used to better control the flow and curing process of the resin for better molding quality.

[0021] It can be seen that in the above technical solution, heating treatment is performed first to make the resin material reach appropriate fluidity, change the fluidity and viscosity of the resin, make it easier to fill the mold or form the required shape, ensure the lens molding accuracy, and at the same time, ultraviolet irradiation curing better controls the flow and curing of the resin to obtain better molding quality;

[0022] In the step 1, the thermoplastic material is one of polycarbonate, polymethyl methacrylate, and polyester, and the unsaturated polyester resin is one of diallyl phthalate and diallyl isophthalate, so that the subsequent lens has a good refractive index and good heat resistance, as well as impact resistance. In the step 1, the formula ratio of the resin raw material and the additive raw material is determined according to the properties of the specific resin material and the additive, including:

[0023] Weighing method: According to the formula ratio, accurately weigh the required amount of resin raw materials and additive raw materials, and then put them into the mixing container;

[0024] Liquid injection method: For liquid resin raw materials and additive raw materials, use a syringe or other liquid delivery equipment to inject them into the mixing container according to the formula ratio;

[0025] After the resin raw materials and additive raw materials are placed in the mixing container, they are prepared into a uniform resin solution through the following process steps:

[0026] Heating: According to the requirements of the resin material, heat the raw materials in the mixing container to a certain temperature to improve the fluidity and solubility of the mixture.

[0027] Stirring: Use a stirring device, such as a stirring rod or a stirrer, to stir the heated raw materials to ensure that the resin and additives are fully mixed to form a uniform resin solution.

[0028] Technical effects and advantages of the present invention:

[0029] 1. The present invention takes full account of factors such as resin formula, molding process, curing treatment and surface treatment during preparation, and has certain innovation and practicality. It combines heating and ultraviolet irradiation to cure the material to ensure the molding accuracy of the material. At the same time, it can also make the material have certain antistatic properties after molding, ensuring the clarity and image quality of the lens;

[0030] 2. The present invention achieves the effect of removing static electricity by forming a conductive network in the resin, eliminating static charge. The ion exchange resin eliminates static charge by exchanging ions in the resin, thereby improving the antistatic performance of the material. The surfactant reduces the accumulation of static electricity by improving the conductivity of the resin material surface.

[0031] 3. After the material of the present invention is formed, it is preferentially subjected to heat treatment to allow the resin material to achieve appropriate fluidity, change the fluidity and viscosity of the resin, make it easier to fill the mold or form the desired shape, ensure the lens molding accuracy, and at the same time, ultraviolet irradiation curing can better control the flow and curing of the resin to obtain better molding quality.

[0032] In order to more clearly illustrate the technical solutions in the present disclosure, the following briefly introduces the drawings required to be used in some embodiments of the present disclosure. Obviously, the drawings described below are only drawings of some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can also be obtained based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams, and are not limitations on the actual size of the product involved in the embodiments of the present disclosure, the actual process of the method, the actual timing of the signal, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions in the present disclosure, the following briefly introduces the drawings required to be used in some embodiments of the present disclosure. Obviously, the drawings described below are only drawings of some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can also be obtained based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams, and are not limitations on the actual size of the product involved in the embodiments of the present disclosure, the actual process of the method, the actual timing of the signal, etc.

[0034] Figure 1 It is a schematic diagram of the process of the present invention. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] A method for preparing a high-performance lens based on an optical resin comprises the following steps:

[0037] Step 1: Prepare optical resin, thermoplastic material, unsaturated polyester resin, toughening agent and modifier raw materials;

[0038] Step 2: According to the required optical performance requirements, the resin ratio is carried out, including the ratio of resin to additives, the resin raw material and the additive raw material are mixed, and a uniform resin solution is prepared by heating and stirring;

[0039] Step 3: When preparing the additive, add the antistatic coating to the additive;

[0040] Step 4: obtaining a substrate by injection molding or extrusion molding, placing the substrate in a mold and grinding and polishing it to achieve the desired optical properties;

[0041] Step 5, curing the injection-molded resin lens by heating and ultraviolet irradiation;

[0042] Step 6: Surface treatment of the cured resin lens, including polishing and coating, is performed to ensure that it has optical properties and wear resistance. The prepared resin lens is tested, including optical and mechanical property tests, to ensure that it meets the required quality standards.

[0043] In step 2, the additive is prepared by premixing: the antistatic additive is premixed with the resin and then injection molded;

[0044] Post-addition method: Antistatic coating is applied on the surface of the resin molded part, and the antistatic additive is evenly distributed on the surface through the coating process;

[0045] Dissolution method: dissolve the antistatic additive in a suitable solvent, then apply the solution on the resin surface to form an antistatic layer after the solvent evaporates;

[0046] The antistatic additive is one of surfactants, ion exchange resins, carbon fibers or metal particles. The carbon fibers and metal particles form a conductive network in the resin to achieve the effect of removing static electricity. The ion exchange resin eliminates static charge by exchanging ions in the resin to improve the antistatic performance of the material. The surfactant reduces the accumulation of static electricity by improving the conductivity of the resin material surface.

[0047] During the injection molding in step 4, the mold is cleaned and coated to ensure the molding quality of the resin in the mold. At the same time, an injection molding machine is used for automatic injection molding, and multiple injection molding and pressure control are performed as needed to ensure the molding quality. During the curing treatment in step 6, the lens is first heated to make the resin material reach appropriate fluidity, and then irradiated with ultraviolet rays to activate the curing agent and complete the curing process;

[0048] Heating changes the fluidity and viscosity of the resin, making it easier to fill the mold or form the desired shape. Then, the UV curing process is used to better control the flow and curing process of the resin for better molding quality.

[0049] In step 1, the thermoplastic material is one of polycarbonate, polymethyl methacrylate, and polyester, and the unsaturated polyester resin is one of diallyl phthalate and diallyl isophthalate, so that the subsequent lens has a good refractive index and good heat resistance, as well as impact resistance. In step 1, the formula ratio of the resin raw material and the additive raw material is determined according to the properties of the specific resin material and the additive, including:

[0050] Weighing method: According to the formula ratio, accurately weigh the required amount of resin raw materials and additive raw materials, and then put them into the mixing container;

[0051] Liquid injection method: For liquid resin raw materials and additive raw materials, use a syringe or other liquid delivery equipment to inject them into the mixing container according to the formula ratio;

[0052] After the resin raw materials and additive raw materials are placed in the mixing container, they are prepared into a uniform resin solution through the following process steps:

[0053] Heating: According to the requirements of the resin material, heat the raw materials in the mixing container to a certain temperature to improve the fluidity and solubility of the mixture.

[0054] Stirring: Use stirring equipment, such as a stirring rod or a stirrer, to stir the heated raw materials to ensure that the resin and additives are fully mixed to form a uniform resin solution;

[0055] When the above structure is used, it is necessary to prepare optical resin, thermoplastic material, unsaturated polyester resin, toughening agent and modifier raw materials, and carry out resin proportioning, including the proportion of resin and additives, according to the required optical performance requirements, mix the resin raw materials and the additive raw materials, and prepare them into a uniform resin solution by heating and stirring;

[0056] When the additive is prepared, an antistatic coating is added to the additive, a substrate is obtained by injection molding or extrusion molding, and the substrate is placed in a mold and polished to achieve the desired optical properties;

[0057] Curing treatment is performed on the injection-molded resin lens, which is cured by heating and ultraviolet irradiation. The cured resin lens is surface treated, including polishing and coating, to make it have optical properties and wear resistance. The prepared resin lens is tested, including optical and mechanical performance tests, to ensure that it meets the required quality standards;

[0058] In step 2, the additive is prepared by premixing: the antistatic additive is premixed with the resin and then injection molded;

[0059] Post-addition method: Antistatic coating is applied on the surface of the resin molded part, and the antistatic additive is evenly distributed on the surface through the coating process;

[0060] Dissolution method: dissolve the antistatic additive in a suitable solvent, then apply the solution on the resin surface to form an antistatic layer after the solvent evaporates;

[0061] The antistatic additive is one of surfactants, ion exchange resins, carbon fibers or metal particles. The carbon fibers and metal particles form a conductive network in the resin to achieve the effect of removing static electricity. The ion exchange resin eliminates static charge by exchanging ions in the resin to improve the antistatic performance of the material. The surfactant reduces the accumulation of static electricity by improving the conductivity of the resin material surface.

[0062] During the injection molding in step 4, the mold is cleaned and coated to ensure the molding quality of the resin in the mold. At the same time, an injection molding machine is used for automatic injection molding, and multiple injection molding and pressure control are performed as needed to ensure the molding quality. During the curing treatment in step 6, the lens is first heated to make the resin material reach appropriate fluidity, and then irradiated with ultraviolet rays to activate the curing agent and complete the curing process;

[0063] Heating changes the fluidity and viscosity of the resin, making it easier to fill the mold or form the desired shape. Then, the UV curing process is used to better control the flow and curing process of the resin for better molding quality.

[0064] Different from the prior art, the present application discloses a method for preparing a high-performance lens based on an optical resin, which solidifies the material by combining heating and ultraviolet irradiation, and can also make the material have certain antistatic properties after molding, thereby ensuring the clarity and image quality of the lens. Static charge is eliminated by forming a conductive network in the resin. Ion exchange resin eliminates static charge by exchanging ions in the resin, thereby improving the antistatic performance of the material. Surfactants improve the conductivity of the resin material surface, reduce the accumulation of static electricity, enable the resin material to achieve appropriate fluidity, change the fluidity and viscosity of the resin, and make it easier to fill the mold or form the desired shape.

[0065] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for preparing a high-performance lens based on an optical resin, characterized in that: The steps include: Step 1: Prepare optical resin, thermoplastic material, unsaturated polyester resin, toughening agent and modifier raw materials; Step 2: According to the required optical performance requirements, the resin ratio is carried out, including the ratio of resin to additives, the resin raw material and the additive raw material are mixed, and a uniform resin solution is prepared by heating and stirring; Step 3: When preparing the additive, add the antistatic coating to the additive; Step 4: obtaining a substrate by injection molding or extrusion molding, placing the substrate in a mold and grinding and polishing it to achieve the desired optical properties; Step 5, curing the injection-molded resin lens by heating and ultraviolet irradiation; Step six: Surface treatment of the cured resin lens, including polishing and coating, is performed to make it have optical properties and wear resistance. The prepared resin lens is tested, including tests on optical and mechanical properties.

2. The method for preparing a high-performance lens based on an optical resin according to claim 1, characterized in that: In the step 2, the additive is prepared by premixing: the antistatic additive is premixed with the resin and then injection molded; Post-addition method: Antistatic coating is applied on the surface of the resin molded part, and the antistatic additive is evenly distributed on the surface through the coating process; Dissolution method: dissolve the antistatic additive in a suitable solvent, then apply the solution on the resin surface to form an antistatic layer after the solvent evaporates.

3. The method for preparing a high-performance lens based on an optical resin according to claim 1, characterized in that: In the step three, the antistatic additive includes one of a surfactant, an ion exchange resin, carbon fiber or metal particles.

4. The method for preparing a high-performance lens based on an optical resin according to claim 3, characterized in that: in, Carbon fibers and metal particles form a conductive network in the resin to achieve the effect of removing static electricity. Ion exchange resin eliminates static charge by exchanging ions in the resin and improves the antistatic properties of the material. Surfactants reduce the accumulation of static electricity by improving the conductivity of the resin material surface.

5. The method for preparing a high-performance lens based on an optical resin according to claim 1, characterized in that: During the injection molding in step 4, the mold is cleaned and coated to ensure the molding quality of the resin in the mold. At the same time, an injection molding machine is used for automatic injection molding, and multiple injection molding and pressure control are performed as needed to ensure the molding quality.

6. The method for preparing a high-performance lens based on an optical resin according to claim 1, characterized in that: During the curing process in step 6, the lens is first heated to allow the resin material to reach a suitable fluidity, and then irradiated with ultraviolet light to activate the curing agent and complete the curing process; Heating changes the fluidity and viscosity of the resin, making it easier to fill the mold or form the desired shape. Then, the UV curing process is used to better control the flow and curing process of the resin for better molding quality.

7. The method for preparing a high-performance lens based on an optical resin according to claim 1, characterized in that: In the step 1, the thermoplastic material is one of polycarbonate, polymethyl methacrylate, and polyester, and the unsaturated polyester resin is one of diallyl phthalate and diallyl isophthalate, so that the subsequent lens has a good refractive index and good heat resistance, as well as impact resistance.

8. The method for preparing a high-performance lens based on optical resin according to claim 1, characterized in that: In the step 1, the formula ratio of the resin raw material and the additive raw material is determined according to the properties of the specific resin material and the additive, including: Weighing method: According to the formula ratio, accurately weigh the required amount of resin raw materials and additive raw materials, and then put them into the mixing container; Liquid injection method: For liquid resin raw materials and additive raw materials, use a syringe or other liquid delivery equipment to inject them into the mixing container according to the formula ratio; After the resin raw materials and additive raw materials are placed in the mixing container, they are prepared into a uniform resin solution through the following process steps: Heating: According to the requirements of the resin material, heat the raw materials in the mixing container to a certain temperature to improve the fluidity and solubility of the mixture. Stirring: Use a stirring device, such as a stirring rod or a stirrer, to stir the heated raw materials to ensure that the resin and additives are fully mixed to form a uniform resin solution.

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