CN106800664B - Antistatic dust-absorbing silicone rubber product and manufacturing method thereof - Google Patents
Antistatic dust-absorbing silicone rubber product and manufacturing method thereof Download PDFInfo
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- CN106800664B CN106800664B CN201710001933.6A CN201710001933A CN106800664B CN 106800664 B CN106800664 B CN 106800664B CN 201710001933 A CN201710001933 A CN 201710001933A CN 106800664 B CN106800664 B CN 106800664B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
- A44C5/0053—Flexible straps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2029/00—Belts or bands
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/06—Polyurethanes from polyesters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
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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
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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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
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
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- Thermal Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
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Abstract
The invention discloses an antistatic and dust-absorbing silicone rubber product and a manufacturing method thereof, wherein the antistatic and dust-absorbing silicone rubber product comprises the following steps: preparing raw materials, namely selecting a solid silicone rubber compound raw material, adding a vulcanizing agent, mixing color with color master batch, mixing color, slicing and splitting blanks for later use; selecting a TPU film for later use; preparing a primer and a coloring agent; spraying a film, wherein the prepared primer and the prepared colorant are uniformly sprayed on the same surface of the TPU film, and the TPU film is put into an oven to be baked; cutting, namely cutting the TPU film into a plurality of blank sheets with the sizes suitable for the product; and (3) performing on-machine compression molding, putting the cut blank into a lower die of a product die on a vulcanizing machine, enabling the surface sprayed with the primer to be upward, putting the prepared silicon rubber blank, starting the vulcanizing machine to close the die, and performing hot-press vulcanization molding under the conditions of set time and temperature to obtain the required product. After the silicon rubber is covered with a layer of TPU film, the defect that the existing silicon rubber product is easy to generate static adsorption dust can be thoroughly eliminated.
Description
Technical Field
The invention relates to a method for manufacturing a silicon rubber product, in particular to an anti-static dust-absorbing silicon rubber product and a manufacturing method thereof.
Background
In many existing decoration products made of silicon rubber materials, the inherent physical characteristics of the silicon rubber materials are that a high-height insulator easily generates static electricity to adsorb dust, so that the appearance of the products, namely the high-grade appreciation of customers, is reduced. By utilizing the characteristics that the TPU film is smooth and transparent, does not generate static electricity and does not adsorb dust, the defect can be thoroughly eliminated after the TPU film is covered on the silicone rubber, and the colors scattered on the bottom surface can be penetrated, so that the ornamental performance of the decorative part product is greatly improved, the decorative part product is more high-grade, is easier to accept by consumers, and stimulates the purchasing desire.
Disclosure of Invention
The invention aims to overcome the problem that the existing silicon rubber product is easy to generate static adsorption dust, and provides an anti-static dust adsorption silicon rubber product and a manufacturing method thereof.
In order to achieve the purpose, the invention provides a method for manufacturing an anti-static dust-absorbing silicone rubber product, which comprises the following steps:
A. preparing raw materials, namely selecting a solid silicon rubber compound raw material, adding 1-2% of a vulcanizing agent, mixing with color master batch for color mixing, slicing and splitting to obtain a silicon rubber blank for later use; selecting an aliphatic polyurethane type or polyether type TPU film with the thickness of 0.02-0.08 mm for later use;
B. preparing a primer, namely mixing 0.3-1.5 g of liquid silica gel raw material, 3-9 g of polyurethane and silica gel interfacial agent and 1.5-4.5 g of cyclohexane liquid, and uniformly stirring to prepare the primer for later use;
D. b, spraying a film, namely uniformly spraying the primer prepared in the step B on one surface of the TPU film prepared in the step A, and putting the TPU film into an oven for baking;
E. cutting, namely cutting the TPU film prepared in the step D into a plurality of blank sheets with the sizes suitable for the product;
F. and C, performing on-machine compression molding, namely putting the blank piece cut in the step E into a lower die of a product die on a vulcanizing machine, enabling the surface sprayed with the primer to be upward, then putting the silicon rubber blank prepared in the step A, starting the vulcanizing machine to mold, and performing hot-press vulcanization molding under the conditions of set time and temperature to obtain the required product.
And further comprising a step C of preparing a colorant, namely mixing 0.5-2.5 g of pearl essence, silver powder, glitter powder, toner, color paste and color paste, 0.5-2.5 g of liquid silica gel raw material, 3-9 g of polyurethane and silica gel interfacial agent and 3-9 g of cyclohexane liquid, and uniformly stirring to prepare the colorant for later use.
And D, spraying the coloring agent in the step C on the surface, sprayed with the primer, of the TPU film, and then putting the TPU film into an oven for baking.
Further, in the step D, the TPU film is baked in an oven for 10-30 minutes at the temperature of 100-200 ℃.
Further, the solid silicon rubber raw material in the step A is selected from the silicon rubber raw material with the Shore hardness of 30/40 degrees, 50/60 degrees or 70/80 degrees.
Further, the size of the TPU film selected in the step A is 250mm multiplied by 280mm per sheet.
Further, the amount of the polyurethane and silica gel interface agent in the step B and the step C is 1.5-4.5 g respectively.
Further, the corresponding size in the step E is that the edge of the blank sheet is 2-5 mm larger than the edge of the product.
The invention also comprises an antistatic dust-absorbing silicone rubber product which is a watch watchband.
The invention has the beneficial effects that: because the TPU film has the characteristics of smoothness, transparency, no generation of static electricity and no adsorption of dust, the defect that the existing silicon rubber product is easy to generate the static electricity and adsorb the dust can be thoroughly overcome by covering a layer of TPU film on the silicon rubber, and the colors distributed on the bottom surface can be transmitted, so that the ornamental value of the decorative part product is greatly improved, the decorative part product is higher in grade, is more easily accepted by consumers, and stimulates the purchase desire.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
The invention relates to a method for manufacturing an anti-static dust-absorption silicone rubber product, which comprises the following steps:
A. preparing raw materials, namely selecting a solid silicon rubber compound raw material, adding 1-2% of a vulcanizing agent, mixing with color master batch for color mixing, slicing and splitting to obtain a silicon rubber blank for later use; selecting an aliphatic polyurethane type or polyether type TPU film with the thickness of 0.02-0.08 mm for later use;
B. preparing a primer, namely mixing 0.3-1.5 g of liquid silica gel raw material, 3-9 g of polyurethane and silica gel interfacial agent and 1.5-4.5 g of cyclohexane liquid, and uniformly stirring to prepare the primer for later use;
D. b, spraying a film, namely uniformly spraying the primer prepared in the step B on one surface of the TPU film prepared in the step A, and putting the TPU film into an oven for baking;
E. cutting, namely cutting the TPU film prepared in the step D into a plurality of blank sheets with the sizes suitable for the product;
F. and C, performing on-machine compression molding, namely putting the blank piece cut in the step E into a lower die of a product die on a vulcanizing machine, enabling the surface sprayed with the primer to be upward, then putting the silicon rubber blank prepared in the step A (the blank is placed on the upper end surface of the TPU film to be contacted with the primer), starting the vulcanizing machine to close the die, and performing hot-press vulcanization molding under the conditions of set time and temperature to obtain the required product.
And step C, preparing a colorant, namely mixing 0.5-2.5 g of pearl essence, silver powder, glitter powder, toner, color paste and color paste, 0.5-2.5 g of liquid silica gel raw material, 3-9 g of polyurethane and silica gel interfacial agent and 3-9 g of cyclohexane liquid, and uniformly stirring to prepare the colorant for later use.
And D, spraying the coloring agent in the step C on one surface of the TPU film sprayed with the primer, and then putting the TPU film into an oven for baking.
And D, baking the TPU film in an oven at the temperature of 100-200 ℃ for 10-30 minutes.
And B, selecting the solid silicon rubber raw material in the step A as the silicon rubber raw material with the Shore hardness of 30/40 degrees, 50/60 degrees or 70/80 degrees.
The size of the TPU film selected in the step A is 250mmX280 mm/sheet or any other size.
And in the step B and the step C, 1.5-4.5 g of polyurethane and silica gel interface agent respectively.
And E, the corresponding size of the step E is that the edge of the blank sheet is 2-5 mm larger than the edge of the product.
The invention also comprises an antistatic dust-absorbing silicone rubber product which is a watch watchband.
Because the TPU film has the characteristics of smoothness, transparency, no generation of static electricity and no adsorption of dust, the defect that the existing silicon rubber product is easy to generate the static electricity and adsorb the dust can be thoroughly overcome by covering a layer of TPU film on the silicon rubber, and the colors distributed on the bottom surface can be transmitted, so that the ornamental value of the decorative part product is greatly improved, the decorative part product is higher in grade, is more easily accepted by consumers, and stimulates the purchase desire.
It should be noted that when step C is not included in the manufacturing process, the TPU film produced is in a transparent state; when the manufacturing method comprises the step C, the prepared TPU film is in a colored state, and the specific color is determined by the proportion of the raw materials of the colorant.
In addition, the antistatic and dust-absorbing silicone rubber product is not limited to a watch strap, and can be other silicone rubber products, such as cup pads, mobile phone covers and other products.
Claims (8)
1. A method for manufacturing an antistatic and dust-absorbing silicone rubber product is characterized by comprising the following steps: it comprises the following steps:
A. preparing raw materials, namely selecting a solid silicone rubber compound raw material, adding 1-2% of a vulcanizing agent, mixing with color master batch for color mixing, slicing and splitting to obtain a silicone rubber blank for later use; selecting an aliphatic polyurethane type or polyether type TPU film with the thickness of 0.02-0.08 mm for later use;
B. preparing a primer, namely mixing 0.3-1.5 g of liquid silica gel raw material, 3-9 g of polyurethane and silica gel interfacial agent and 1.5-4.5 g of cyclohexane liquid, and uniformly stirring to prepare the primer for later use;
C. preparing a colorant, namely mixing 0.5-2.5 g of pearl essence powder, silver powder, glitter powder, toner, color paste and color paste, 0.5-2.5 g of liquid silica gel raw material, 3-9 g of polyurethane and silica gel interfacial agent and 3-9 g of cyclohexane liquid, and uniformly stirring to prepare the colorant for later use;
D. b, spraying a film, namely uniformly spraying the primer prepared in the step B on one surface of the TPU film prepared in the step A, and putting the TPU film into an oven for baking;
E. cutting, namely cutting the TPU film prepared in the step D into a plurality of blank sheets with the sizes suitable for the product;
F. and C, performing on-machine compression molding, namely putting the blank piece cut in the step E into a lower die of a product die on a vulcanizing machine, enabling the surface sprayed with the primer to be upward, then putting the silicon rubber blank prepared in the step A, starting the vulcanizing machine to mold, and performing hot-press vulcanization molding under the conditions of set time and temperature to obtain the required product.
2. The method for manufacturing an antistatic and dust-absorbing silicone rubber product according to claim 1, wherein: and D, spraying the coloring agent in the step C on one surface of the TPU film sprayed with the primer, and then putting the TPU film into an oven for baking.
3. The method for manufacturing an antistatic and dust-absorbing silicone rubber product according to claim 2, wherein: and D, baking the TPU film in an oven at the temperature of 100-200 ℃ for 10-30 minutes.
4. The method for manufacturing an antistatic and dust-absorbing silicone rubber product according to claim 1, wherein: and B, selecting the solid silicon rubber raw material in the step A as the silicon rubber raw material with the Shore hardness of 30/40 degrees, 50/60 degrees or 70/80 degrees.
5. The method for manufacturing an antistatic and dust-absorbing silicone rubber product according to claim 1, wherein: the size of the TPU film selected in the step A is 250mmX280 mm/sheet.
6. The method for manufacturing an antistatic and dust-absorbing silicone rubber product according to claim 1, wherein: and in the step B and the step C, 1.5-4.5 g of polyurethane and silica gel interface agent respectively.
7. The method for manufacturing an antistatic and dust-absorbing silicone rubber product according to claim 1, wherein: and E, the corresponding size of the step E is that the edge of the blank sheet is 2-5 mm larger than the edge of the product.
8. The method for manufacturing the antistatic and dustproof silicone rubber product according to claim 1 is used for preparing the antistatic and dustproof silicone rubber product, and is characterized in that: the silicone rubber product is a watch watchband.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710001933.6A CN106800664B (en) | 2017-01-03 | 2017-01-03 | Antistatic dust-absorbing silicone rubber product and manufacturing method thereof |
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| CN201710001933.6A CN106800664B (en) | 2017-01-03 | 2017-01-03 | Antistatic dust-absorbing silicone rubber product and manufacturing method thereof |
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| CN106800664A CN106800664A (en) | 2017-06-06 |
| CN106800664B true CN106800664B (en) | 2021-04-13 |
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| CN113320058B (en) * | 2021-06-04 | 2022-07-12 | 湖南贝森新材料有限公司 | Production process of antibacterial medical silicone rubber |
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| US20080004395A1 (en) * | 2005-02-11 | 2008-01-03 | Invista North America S.A.R.L. | Aqueous polyurethaneurea compositions including dispersions and films |
| CN204614488U (en) * | 2015-05-23 | 2015-09-02 | 李和良 | A kind of environment-friendly type insulated anticorrosion shielded type cable |
| CN105001640A (en) * | 2015-06-18 | 2015-10-28 | 东莞劲胜精密组件股份有限公司 | Manufacturing method for solid-state silica gel art product |
| CN105086470B (en) * | 2015-09-11 | 2017-09-12 | 深圳市新纶科技股份有限公司 | A kind of antistatic silicone rubber and preparation method thereof |
| CN106349699A (en) * | 2016-08-23 | 2017-01-25 | 陈建琴 | Antistatic silicone rubber material for cable |
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Effective date of registration: 20220303 Address after: 511500 No. 61, Outang village, Henghe sub district office, Qingcheng District, Qingyuan City, Guangdong Province Patentee after: Qingyuan dongzhida watch Co.,Ltd. Address before: 518106 2nd floor, No.23 Longpan Road, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN DONGZHIDA TECHNOLOGY CO.,LTD. |
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Address after: 1st to 2nd floors of R&D workshop, No. 25 Baijia Science and Technology Innovation Park, No. 10 Xinwen Road, High tech Industrial Development Zone, Qingyuan City, Guangdong Province, 511500 Patentee after: Qingyuan dongzhida watch Co.,Ltd. Address before: 511500 No. 61, Outang village, Henghe sub district office, Qingcheng District, Qingyuan City, Guangdong Province Patentee before: Qingyuan dongzhida watch Co.,Ltd. |
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