CN112873716A - Manufacturing process of heating silica gel sheet - Google Patents
Manufacturing process of heating silica gel sheet Download PDFInfo
- Publication number
- CN112873716A CN112873716A CN202110249568.7A CN202110249568A CN112873716A CN 112873716 A CN112873716 A CN 112873716A CN 202110249568 A CN202110249568 A CN 202110249568A CN 112873716 A CN112873716 A CN 112873716A
- Authority
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- Prior art keywords
- silica gel
- heating
- parts
- gel sheet
- manufacturing process
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- 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.)
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 75
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 51
- 239000000741 silica gel Substances 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000853 adhesive Substances 0.000 claims abstract description 10
- 230000001070 adhesive effect Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims description 26
- 239000007924 injection Substances 0.000 claims description 26
- 238000001816 cooling Methods 0.000 claims description 25
- 238000003723 Smelting Methods 0.000 claims description 15
- -1 polydimethylsiloxane Polymers 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 5
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 4
- 230000003078 antioxidant effect Effects 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000002270 dispersing agent Substances 0.000 claims description 4
- 239000003995 emulsifying agent Substances 0.000 claims description 4
- 239000003999 initiator Substances 0.000 claims description 4
- 239000002562 thickening agent Substances 0.000 claims description 4
- 239000012745 toughening agent Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000003623 enhancer Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 7
- 239000004753 textile Substances 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000003292 glue Substances 0.000 description 10
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 150000003505 terpenes Chemical class 0.000 description 2
- 235000007586 terpenes Nutrition 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
Images
Classifications
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14819—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being completely encapsulated
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14311—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles using means for bonding the coating to the articles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
- B29C2045/776—Measuring, controlling or regulating of velocity or pressure of moulding material determining the switchover point to the holding pressure
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the field of silica gel sheet heating products, in particular to a manufacturing process of a heating silica gel sheet. According to the process, the surfaces and the bottom surfaces of the graphene heating sheets are coated with the adhesive, and the positioning holes are matched with the positioning clamps, so that the graphene heating sheets and food-grade silica gel coated on the surfaces of the graphene heating sheets are stably connected; when the process is suitable for producing large-scale products, waste materials can be greatly reduced, the precision of the products can be controlled, special treatment on the materials is not needed, and the production process is simplified, so that the aims of saving the production cost, improving the product quality and reducing the labor cost are fulfilled; the heating silica gel sheet has the advantages of water resistance, heat resistance and air permeability, the heating wire is electrified to generate heat, and the heating silica gel sheet can be used for manufacturing electrothermal products such as silica gel heating gloves, silica gel heating pads and silica gel heating masks, and overcomes the defect that the traditional products such as textile heating can not be cleaned by water.
Description
Technical Field
The invention relates to the field of silica gel sheet heating products, in particular to a manufacturing process of a heating silica gel sheet.
Background
The existing heating cushion is formed by embedding low-power heating wires in a textile fabric, and the heating wires are electrified to generate heat, so that the temperature of the heating cushion is increased, a user is warmed, and the heating cushion is very suitable for being used in winter and some cold places. However, since the textile fabric has poor waterproof performance, and the heating gloves and the electric blanket are internally provided with the heating wires, in order to prevent the heating wires from generating electric leakage accidents when meeting water, the heating gloves and the electric blanket cannot be cleaned by water, and the cleaning is very troublesome.
Disclosure of Invention
In order to solve the problems, the invention provides a manufacturing process of a heating silica gel sheet, which can be used for manufacturing a waterproof heating pad, and the formed high-precision silica gel with few adhesive edges wraps a graphene heating sheet.
In order to achieve the purpose, the invention adopts the technical scheme that: a manufacturing process of a heating silica gel sheet comprises the following specific steps: step 1: coating adhesive on the surface and the bottom surface of the graphene heating sheet;
step 2: placing the processed graphene heating sheet in a mold, positioning and fixing, and then closing the mold;
and step 3: injecting liquid silica gel into the mould through an injection machine;
and 4, step 4: after the injection is finished, curing and molding;
and 5: opening the mold after molding to obtain a molded product, fixing the molded product in a cooling smelting tool, and introducing cooling circulating water into the cooling smelting tool to cool the product;
step 6: and fixing the product after the result is cooled in a shaping jig, and performing burr removal treatment on the product through the shaping jig.
Further, the surface of the graphene heating sheet is provided with a welding spot, the welding spot is electrically connected with a power line, and the power line extends out of the mold.
Furthermore, a plurality of positioning holes are formed in the surface of the graphene heating sheet.
Further, in the step 3, the injection speed of the injection machine is 65-85%, the injection pressure is 70-75 bar, and the maximum injection speed of the injection machine is 2.0 cm/s.
Further, in the step 4, the pressure maintaining pressure is kept at 75bar, and the pressure is kept unchanged for 0.5-2.5 s.
Further, in step 5, the temperature of the cooling circulating water is kept at 10-20 ℃, and the cooling time is 10-20 min.
Further, in step 5, the upper and lower part of cooling smelting tool all is provided with the die cavity that corresponds with the product size, just be provided with the pressure quick locking device that corresponds with the die cavity in the cooling smelting tool, it has the cooling circulation water to let in die cavity and the pressure quick locking device.
Further, in the step 1, the adhesive comprises 90-110 parts of alpha, omega-dihydroxy polydimethylsiloxane, 2-4 parts of antioxidant, 30-50 parts of heat-resistant agent, 3-5 parts of dispersing agent, 9-11 parts of emulsifier, 1-3 parts of initiator, 6-9 parts of thickening agent, 6-9 parts of viscosity enhancer and 2-4 parts of toughening agent according to parts by weight.
The invention has the beneficial effects that: according to the process, the surface and the bottom surface of the graphene heating sheet are coated with the high-temperature-resistant adhesive, so that the graphene heating sheet and the food-grade silica gel wrapped on the surface of the graphene heating sheet are stably connected; when the process is suitable for producing large-scale products, waste materials can be greatly reduced, the precision of the products can be controlled, special treatment on the materials is not needed, and the production process is simplified, so that the aims of saving the production cost, improving the product quality and reducing the labor cost are fulfilled; meanwhile, the heating silica gel sheet has the advantages of water resistance, heat resistance and air permeability, the heating wire is electrified to generate heat, and the heating silica gel sheet can be used for manufacturing electrothermal products such as silica gel heating gloves, silica gel heating pads and silica gel heating masks, and overcomes the defect that the traditional products such as textile heating can not be cleaned by water.
Drawings
Fig. 1 is a schematic structural diagram of a graphene heating sheet.
Fig. 2 is a schematic structural diagram of the heating silica gel sheet.
Fig. 3 is an internal perspective view of the heat-generating silicone sheet.
The reference numbers illustrate: 1. a graphene heating sheet; 11. positioning holes; 12. welding spots; 13. a power line; 2. silica gel.
Detailed Description
Referring to fig. 1-3, the present invention relates to a manufacturing process of a heating silica gel sheet, which comprises the following steps:
step 1: coating adhesive on the surface and the bottom surface of the graphene heating sheet 1;
step 2: placing the processed graphene heating sheet 1 in a mold, positioning and fixing, and then closing the mold;
and step 3: injecting the liquid silica gel 2 into the mould through an injection machine;
and 4, step 4: after the injection is finished, curing and molding;
and 5: opening the mold after molding to obtain a molded product, fixing the molded product in a cooling smelting tool, and introducing cooling circulating water into the cooling smelting tool to cool the product;
step 6: and fixing the product after the result is cooled in a shaping jig, and performing burr removal treatment on the product through the shaping jig.
According to the process, the surfaces and the bottom surfaces of the graphene heating sheets 1 are coated with adhesive, and the positioning holes 11 are matched with the positioning clamps, so that the graphene heating sheets 1 and the food-grade silica gel 2 coated on the surfaces of the graphene heating sheets 1 are stably connected; when the process is suitable for producing large-scale products, waste materials can be greatly reduced, the precision of the products can be controlled, special treatment on the materials is not needed, and the production process is simplified, so that the aims of saving the production cost, improving the product quality and reducing the labor cost are fulfilled; the heating silica gel 2 piece has the advantages of water resistance, heat resistance and air permeability, the heating wire is electrified to generate heat, and the heating silica gel 2 piece can be used for manufacturing electrothermal products such as silica gel 2 heating gloves, silica gel 2 heating pads, silica gel 2 heating masks and the like, and overcomes the defect that the traditional products such as textile heating and the like can not be cleaned by water.
Further, the surface of the graphene heating sheet 1 is provided with a welding spot 12, the welding spot 12 is electrically connected with a power line 13, and the power line 13 extends out of the mold.
Further, a plurality of positioning holes 11 are further formed in the surface of the graphene heating sheet 1. Through setting up locating hole 11, silica gel 2 can flow in locating hole 11 to constitute the reference column, so can further carry out position fixing to graphite alkene heating plate 1, be difficult for taking place the displacement at the injection rubber coating process, reduce the defective percentage.
Further, in the step 3, the injection speed of the injection machine is 65-85%, the injection pressure is 70-75 bar, and the maximum injection speed of the injection machine is 2.0 cm/s. Further, in the step 4, the pressure maintaining pressure is kept at 75bar, and the pressure is kept unchanged for 0.5-2.5 s. In order to improve the stability of injection molding encapsulation, the injection speed was 75%, the injection pressure was 75bar, and the holding pressure was 75 bar. The injection speed of 75% and the injection pressure of 75bar can ensure the uniformity of the liquid silica gel 2 in the injection molding process to be balanced, thereby improving the reliability of injection molding and encapsulation.
Further, in step 5, the temperature of the cooling circulating water is kept at 10-20 ℃, and the cooling time is 10-20 min. Further, in step 5, the lower half of cooling smelting tool is provided with the die cavity that corresponds with the product size, the upper half of cooling smelting tool is provided with the pressure quick locking device that corresponds with the die cavity, it has the cooling circulation water to let in die cavity and the pressure quick locking device. Because liquid silica gel 2 just solidifies the shape still unstable, the lower half of smelting tool is provided with the die cavity that corresponds with the product size, the first half of smelting tool is provided with the pressure quick locking device that corresponds with the die cavity, it has the cooling circulation water to let in die cavity and the pressure quick locking device. The liquid silica gel 2 which is just solidified is further shaped and stabilized through the smelting tool, and the elastic deformation is avoided after the secondary heating during the encapsulation.
Further, in the step 1, the adhesive comprises 90-110 parts of alpha, omega-dihydroxy polydimethylsiloxane, 2-4 parts of antioxidant, 30-50 parts of heat-resistant agent, 3-5 parts of dispersing agent, 9-11 parts of emulsifier, 1-3 parts of initiator, 6-9 parts of thickening agent, 6-9 parts of viscosity enhancer and 2-4 parts of toughening agent according to parts by weight. The heat-resistant agent consisting of the C5 petroleum resin and the terpene resin is added into the alpha-dihydroxy polydimethylsiloxane and the omega-dihydroxy polydimethylsiloxane, so that the peeling strength of the glue is improved, the bonding force of the glue is enhanced, and the C5 petroleum resin, the thermoplastic rubber and the terpene resin have good intersolubility, so that the strength of the glue is enhanced and the glue is not easy to crack; meanwhile, the C5 petroleum resin has good heat resistance, is beneficial to improving the high-temperature resistance of the glue, and enables the glue not to deform easily when the temperature rises, thereby being beneficial to keeping good bonding force of the glue under the high-temperature condition; the antioxidant consisting of alcohol and amide is added into the silica gel, so that the oxidation resistance of the silicone rubber can be improved, the thermal property of the silicone rubber can be improved, and the heat resistance of the silicone rubber is improved by about 40% compared with that of the traditional silica gel through tests; the glue disclosed by the invention is added with the dispersing agent, the emulsifying agent, the initiator, the thickening agent, the viscosity reinforcing agent and the toughening agent, so that the fusion speed of raw materials can be accelerated in the glue manufacturing process, and the cohesiveness of the chemical glue is improved.
And in this application, can also through 2 layers of independent setting surface silica gel and 2 layers of back silica gel, through 2 layers of surface silica gel, graphite alkene generate heat piece 1, 2 layers of back silica gel range upon range of in proper order, realize assembling as an organic whole through the mode of hot pressing.
The above embodiments are merely illustrative of the preferred embodiments of the present invention, and not restrictive, and various changes and modifications to the technical solutions of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are intended to fall within the scope of the present invention defined by the appended claims.
Claims (8)
1. A manufacturing process of a heating silica gel sheet is characterized by comprising the following steps: the method comprises the following specific steps:
step 1: coating adhesive on the surface and the bottom surface of the graphene heating sheet;
step 2: placing the processed graphene heating sheet in a mold, positioning and fixing, and then closing the mold;
and step 3: injecting liquid silica gel into the mould through an injection machine;
and 4, step 4: after the injection is finished, curing and molding;
and 5: opening the mold after molding to obtain a molded product, fixing the molded product in a cooling smelting tool, and introducing cooling circulating water into the cooling smelting tool to cool the product;
step 6: and fixing the product after the result is cooled in a shaping jig, and performing burr removal treatment on the product through the shaping jig.
2. The manufacturing process of the heating silica gel sheet according to claim 1, characterized in that: the surface of the graphene heating sheet is provided with a welding spot, the welding spot is electrically connected with a power line, and the power line extends out of the die.
3. The manufacturing process of the heating silica gel sheet according to claim 1, characterized in that: the surface of the graphene heating sheet is also provided with a plurality of positioning holes.
4. The manufacturing process of the heating silica gel sheet according to claim 1, characterized in that: in the step 3, the injection speed of the injection machine is 65-85%, the injection pressure is 70-75 bar, and the maximum injection speed of the injection machine is 2.0 cm/s.
5. The manufacturing process of the heating silica gel sheet according to claim 1, characterized in that: in the step 4, the pressure maintaining pressure is kept at 75bar, and the pressure is kept unchanged for 0.5-2.5 s.
6. The manufacturing process of the heating silica gel sheet according to claim 1, characterized in that: in step 5, the temperature of the cooling circulating water is kept at 10-20 ℃, and the cooling time is 10-20 min.
7. The manufacturing process of the heating silica gel sheet according to claim 1, characterized in that: in step 5, the upper and lower part of cooling smelting tool all is provided with the die cavity that corresponds with the product size, just be provided with the pressure quick locking device that corresponds with the die cavity in the cooling smelting tool, it has the cooling circulation water to let in die cavity and the pressure quick locking device.
8. The manufacturing process of the heating silica gel sheet according to claim 1, characterized in that: in the step 1, the adhesive comprises, by weight, 90-110 parts of alpha, omega-dihydroxy polydimethylsiloxane, 2-4 parts of antioxidant, 30-50 parts of heat-resistant agent, 3-5 parts of dispersing agent, 9-11 parts of emulsifier, 1-3 parts of initiator, 6-9 parts of thickening agent, 6-9 parts of viscosity enhancer and 2-4 parts of toughening agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110249568.7A CN112873716A (en) | 2021-03-08 | 2021-03-08 | Manufacturing process of heating silica gel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110249568.7A CN112873716A (en) | 2021-03-08 | 2021-03-08 | Manufacturing process of heating silica gel sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112873716A true CN112873716A (en) | 2021-06-01 |
Family
ID=76055656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110249568.7A Pending CN112873716A (en) | 2021-03-08 | 2021-03-08 | Manufacturing process of heating silica gel sheet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745124A (en) * | 2013-12-27 | 2015-07-01 | 比亚迪股份有限公司 | A sprayable glue solution, a preparing method thereof and a preparing method of injection moulding products with inserts |
| CN105291348A (en) * | 2015-11-05 | 2016-02-03 | 深圳市铠沃科技有限公司 | Technology for coating conductive resin and plastics through liquid silica gel |
| US20170043515A1 (en) * | 2015-08-13 | 2017-02-16 | Chih-Chia WEI | Thermoplastic Shell Assembly Formed Integrally by Embedding and Injection and Method for Manufacturing the Shell Assembly |
| CN108748860A (en) * | 2018-07-26 | 2018-11-06 | 东莞万德电子制品有限公司 | Metal and plastic cement combined process and its waterproof construction |
| CN109673069A (en) * | 2019-01-04 | 2019-04-23 | 珠海鸿儒通汇科技有限公司 | A kind of graphene silicone rubber heating pad and preparation method thereof |
| CN112063360A (en) * | 2020-08-19 | 2020-12-11 | 江苏斯瑞达材料技术股份有限公司 | Heat-resistant silica gel glue and preparation method thereof |
| TW202100331A (en) * | 2019-06-18 | 2021-01-01 | 精元電腦股份有限公司 | Method for manufacturing substrate device for keyboard wherein the keyboard substrate device is made of a carbon fiber sheet instead of an aluminum sheet |
-
2021
- 2021-03-08 CN CN202110249568.7A patent/CN112873716A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745124A (en) * | 2013-12-27 | 2015-07-01 | 比亚迪股份有限公司 | A sprayable glue solution, a preparing method thereof and a preparing method of injection moulding products with inserts |
| US20170043515A1 (en) * | 2015-08-13 | 2017-02-16 | Chih-Chia WEI | Thermoplastic Shell Assembly Formed Integrally by Embedding and Injection and Method for Manufacturing the Shell Assembly |
| CN105291348A (en) * | 2015-11-05 | 2016-02-03 | 深圳市铠沃科技有限公司 | Technology for coating conductive resin and plastics through liquid silica gel |
| CN108748860A (en) * | 2018-07-26 | 2018-11-06 | 东莞万德电子制品有限公司 | Metal and plastic cement combined process and its waterproof construction |
| CN109673069A (en) * | 2019-01-04 | 2019-04-23 | 珠海鸿儒通汇科技有限公司 | A kind of graphene silicone rubber heating pad and preparation method thereof |
| TW202100331A (en) * | 2019-06-18 | 2021-01-01 | 精元電腦股份有限公司 | Method for manufacturing substrate device for keyboard wherein the keyboard substrate device is made of a carbon fiber sheet instead of an aluminum sheet |
| CN112063360A (en) * | 2020-08-19 | 2020-12-11 | 江苏斯瑞达材料技术股份有限公司 | Heat-resistant silica gel glue and preparation method thereof |
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Application publication date: 20210601 |