CN112606503A - High-performance plastic shell and preparation method thereof - Google Patents
High-performance plastic shell and preparation method thereof Download PDFInfo
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- CN112606503A CN112606503A CN202011553280.0A CN202011553280A CN112606503A CN 112606503 A CN112606503 A CN 112606503A CN 202011553280 A CN202011553280 A CN 202011553280A CN 112606503 A CN112606503 A CN 112606503A
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- mold
- synthetic resin
- plastic
- mold cavity
- plastic shell
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- 239000004033 plastic Substances 0.000 title claims abstract description 46
- 229920003023 plastic Polymers 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000000057 synthetic resin Substances 0.000 claims abstract description 23
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 23
- 239000000945 filler Substances 0.000 claims abstract description 19
- 239000000314 lubricant Substances 0.000 claims abstract description 16
- 239000004014 plasticizer Substances 0.000 claims abstract description 16
- 239000003086 colorant Substances 0.000 claims abstract description 13
- 229920000642 polymer Polymers 0.000 claims abstract description 13
- 239000003381 stabilizer Substances 0.000 claims abstract description 13
- 229920002799 BoPET Polymers 0.000 claims abstract description 12
- 238000001746 injection moulding Methods 0.000 claims abstract description 11
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 7
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 7
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 7
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical group CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- -1 polyethylene terephthalate Polymers 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical group [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 21
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/712—Weather resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a high-performance plastic shell and a preparation method thereof, wherein the high-performance plastic shell comprises a base layer, an inner protection layer and an outer protection layer, the inner protection layer is arranged on the outer side of the base layer, the outer protection layer is arranged on one side, away from the base layer, of the inner protection layer, and the base layer comprises the following components in percentage by weight: synthetic resin: 90-95%, 1-3% of filling agent, 1-2% of coloring agent, 1-2% of lubricant, 1-3% of plasticizer and 2-4% of stabilizing agent, the invention adds the transparent polymer formed by PET film layer and polyethylene glycol terephthalate when manufacturing the plastic shell by injection molding, thereby greatly improving the performance of the plastic shell and enabling the manufactured plastic shell to have good weather resistance, wear resistance and optical performance.
Description
Technical Field
The invention belongs to the field of plastic shells, and particularly relates to a high-performance plastic shell and a preparation method thereof.
Background
In the existing life, the plastic is widely applied and is an indispensable component in household appliances, automobiles, mobile phones, PCs, medical instruments and lighting appliances. With the continuous and stable growth of economy in China, industries such as household appliances, automobiles, mobile phones, PCs, medical appliances and the like benefit from good external environments and realize rapid development, the development of downstream industries further draws requirements on plastics, and the shell is often made of plastics.
However, most of the existing plastic shells have single function during manufacturing, and lack weather resistance, wear resistance and optical performance.
The invention content is as follows:
the present invention is directed to a high performance plastic housing and a method for manufacturing the same, which solves the above problems.
In order to solve the above problems, the present invention provides a technical solution:
the utility model provides a high performance plastic casing, includes the basic unit, interior sheath and outer jacket, the outside of basic unit is provided with interior sheath, one side that the basic unit was kept away from to interior sheath is provided with the outer jacket, the basic unit includes by weight percent that: synthetic resin: 90-95%, filler 1-3%, colorant 1-2%, lubricant 1-2%, plasticizer 1-3% and stabilizer 2-4%.
Preferably, the inner sheath layer is a transparent polymer made of polyethylene terephthalate.
Preferably, the outer protective layer is a PET film layer.
Preferably, the filler is a calcium carbonate filler, the lubricant is zinc stearate, and the plasticizer is dibutyl phthalate.
A preparation method of a high-performance plastic shell comprises the following steps:
s1, preparation: firstly, preheating and drying a particle raw material, and simultaneously fully cleaning a charging barrel;
s2, weighing the following raw materials: weighing synthetic resin, filler, colorant, lubricant, plasticizer and stabilizer with corresponding components according to weight percentage;
s3, heating the injected material: then, quantitatively injecting the granular synthetic resin into the cleaned charging barrel for multiple times, and heating the charging barrel to heat the granular synthetic resin in the charging barrel to reach a molten state;
s4, laying an inner protection layer and an outer protection layer: placing a transparent polymer formed by a PET film layer and polyethylene glycol terephthalate in a mold cavity of an injection mold;
s5, injecting the molten plastic into the mold cavity through the screw rod of the injection molding machine, keeping the pressure of the molten plastic for a certain time after the mold filling is finished, and keeping the molten plastic in the mold cavity for cooling for a certain time;
s6, opening the mold and removing the product.
Preferably, in step S4, an adhesive layer is coated on the surface of the transparent polymer composed of the PET film layer and the polyethylene terephthalate.
Preferably, in step S5, after performing the injection molding operation 5S, the mold cavity needs to be heated to 165-175 ℃, and then the low-speed injection molding is performed until the raw material fills the mold cavity.
Preferably, after the mold filling in the step S5 is finished, the pressure is increased to 8.2 to 9.3MPa, the pressure is maintained for 10min, and then the cooling is performed for 30 min.
Preferably, after the product is taken out in step S6, the corner impurity removing operation is performed on the casing base layer.
The invention has the beneficial effects that: according to the invention, the transparent polymer formed by the PET film layer and the polyethylene glycol terephthalate is added when the plastic shell is manufactured by injection molding, so that the performance of the plastic shell is greatly improved, and the manufactured plastic shell has good weather resistance, wear resistance and optical performance.
The specific implementation mode is as follows:
the specific implementation mode adopts the following technical scheme:
example (b):
the utility model provides a high performance plastic casing, includes the basic unit, interior sheath and outer jacket, the outside of basic unit is provided with interior sheath, one side that the basic unit was kept away from to interior sheath is provided with the outer jacket, the basic unit includes by weight percent that: synthetic resin: 90-95%, filler 1-3%, colorant 1-2%, lubricant 1-2%, plasticizer 1-3% and stabilizer 2-4%.
Wherein, the inner sheath layer is transparent polymer formed by polyethylene terephthalate.
Wherein, the outer jacket is the PET thin layer.
Wherein the filler is calcium carbonate filler, the lubricant is zinc stearate, and the plasticizer is dibutyl phthalate.
A preparation method of a high-performance plastic shell comprises the following steps:
s1, preparation: firstly, preheating and drying a particle raw material, and simultaneously fully cleaning a charging barrel;
s2, weighing the following raw materials: weighing synthetic resin, filler, colorant, lubricant, plasticizer and stabilizer with corresponding components according to weight percentage;
s3, heating the injected material: then, quantitatively injecting the granular synthetic resin into the cleaned charging barrel for multiple times, and heating the charging barrel to heat the granular synthetic resin in the charging barrel to reach a molten state;
s4, laying an inner protection layer and an outer protection layer: placing a transparent polymer formed by a PET film layer and polyethylene glycol terephthalate in a mold cavity of an injection mold;
s5, injecting the molten plastic into the mold cavity through the screw rod of the injection molding machine, keeping the pressure of the molten plastic for a certain time after the mold filling is finished, and keeping the molten plastic in the mold cavity for cooling for a certain time;
s6, opening the mold and removing the product.
In step S4, an adhesive layer is coated on the surface of the transparent polymer made of the PET film layer and the polyethylene terephthalate.
After the injection molding operation 5S in step S5, the mold cavity needs to be heated to 165-175 ℃, and then low-speed injection molding is performed until the mold cavity is filled with the raw material.
After the mold filling in the step S5 is finished, increasing the pressure to 8.2-9.3MPa, keeping the pressure for 10min, and then cooling for 30 min.
After the product is taken out in step S6, the corner impurity removing operation is required to be performed on the base layer of the casing.
The embodiment I, a high performance plastic casing, including basic unit, interior sheath and outer jacket, the outside of basic unit is provided with interior sheath, the one side that the basic unit was kept away from to interior sheath is provided with the outer jacket, the basic unit includes by weight percent to constitute by following component: synthetic resin: 92%, filler 1%, colorant 1%, lubricant 1.5%, plasticizer 1.5% and stabilizer 3%.
| Material | Synthetic resin | Filler | Coloring agent | Lubricant agent | Plasticizer | Stabilizer |
| Percentage of | 92% | 1% | 1% | 1.5% | 1.5% | 3% |
A preparation method of a high-performance plastic shell comprises the following steps:
s1, preparation: firstly, preheating and drying a particle raw material, and simultaneously fully cleaning a charging barrel;
s2, weighing the following raw materials: weighing synthetic resin, filler, colorant, lubricant, plasticizer and stabilizer with corresponding components according to weight percentage;
s3, heating the injected material: then, quantitatively injecting the granular synthetic resin into the cleaned charging barrel for multiple times, and heating the charging barrel to heat the granular synthetic resin in the charging barrel to reach a molten state;
s4, laying an inner protection layer and an outer protection layer: placing a transparent polymer formed by a PET film layer and polyethylene glycol terephthalate in a mold cavity of an injection mold;
s5, injecting the molten plastic into the mold cavity through the screw rod of the injection molding machine, keeping the pressure of the molten plastic for a certain time after the mold filling is finished, and keeping the molten plastic in the mold cavity for cooling for a certain time;
s6, opening the mold and removing the product.
The second embodiment, a high performance plastic casing, including basic unit, interior sheath and outer jacket, the outside of basic unit is provided with interior sheath, the one side that the basic unit was kept away from to interior sheath is provided with the outer jacket, the basic unit includes by weight percent that: synthetic resin: 91%, filler 1.5%, colorant 1.5%, lubricant 1%, plasticizer 2% and stabilizer 3%.
| Material | Synthetic resin | Filler | Coloring agent | Lubricant agent | Plasticizer | Stabilizer |
| Percentage of | 91% | 1.5% | 1.5% | 1% | 2% | 3% |
A preparation method of a high-performance plastic shell comprises the following steps:
s1, preparation: firstly, preheating and drying a particle raw material, and simultaneously fully cleaning a charging barrel;
s2, weighing the following raw materials: weighing synthetic resin, filler, colorant, lubricant, plasticizer and stabilizer with corresponding components according to weight percentage;
s3, heating the injected material: then, quantitatively injecting the granular synthetic resin into the cleaned charging barrel for multiple times, and heating the charging barrel to heat the granular synthetic resin in the charging barrel to reach a molten state;
s4, laying an inner protection layer and an outer protection layer: placing a transparent polymer formed by a PET film layer and polyethylene glycol terephthalate in a mold cavity of an injection mold;
s5, injecting the molten plastic into the mold cavity through the screw rod of the injection molding machine, keeping the pressure of the molten plastic for a certain time after the mold filling is finished, and keeping the molten plastic in the mold cavity for cooling for a certain time;
s6, opening the mold and removing the product.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (9)
1. The utility model provides a high performance plastic casing, its characterized in that, includes the basic unit, protects layer and outer jacket in, the outside of basic unit is provided with interior sheath, the one side of keeping away from the basic unit in the interior sheath is provided with the outer jacket, the basic unit includes by weight percent to constitute: synthetic resin: 90-95%, filler 1-3%, colorant 1-2%, lubricant 1-2%, plasticizer 1-3% and stabilizer 2-4%.
2. The plastic housing as claimed in claim 1, wherein the inner sheath is a transparent polymer of polyethylene terephthalate.
3. The plastic housing as claimed in claim 1, wherein the outer sheath is a PET film.
4. The plastic housing as claimed in claim 1, wherein the filler is calcium carbonate filler, the lubricant is zinc stearate, and the plasticizer is dibutyl phthalate.
5. The preparation method of the high-performance plastic shell is characterized by comprising the following steps of:
s1, preparation: firstly, preheating and drying a particle raw material, and simultaneously fully cleaning a charging barrel;
s2, weighing the following raw materials: weighing synthetic resin, filler, colorant, lubricant, plasticizer and stabilizer with corresponding components according to weight percentage;
s3, heating the injected material: then, quantitatively injecting the granular synthetic resin into the cleaned charging barrel for multiple times, and heating the charging barrel to heat the granular synthetic resin in the charging barrel to reach a molten state;
s4, laying an inner protection layer and an outer protection layer: placing a transparent polymer formed by a PET film layer and polyethylene glycol terephthalate in a mold cavity of an injection mold;
s5, injecting the molten plastic into the mold cavity through the screw rod of the injection molding machine, keeping the pressure of the molten plastic for a certain time after the mold filling is finished, and keeping the molten plastic in the mold cavity for cooling for a certain time;
s6, opening the mold and removing the product.
6. The method as claimed in claim 5, wherein step S4 comprises coating an adhesive on the surface of the transparent polymer of PET film layer and PET.
7. The method as claimed in claim 5, wherein the step S5, after the injection operation for 5S, is to heat the mold cavity to 165-175 ℃, and then to perform low-speed injection until the mold cavity is filled with the raw material.
8. The method as claimed in claim 5, wherein after the step S5 of filling the mold, the pressure is increased to 8.2-9.3MPa and kept for 10min, and then cooled for 30 min.
9. The method as claimed in claim 5, wherein the removing of the corner impurities from the substrate of the plastic casing is required after the product is taken out in step S6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011553280.0A CN112606503A (en) | 2020-12-24 | 2020-12-24 | High-performance plastic shell and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011553280.0A CN112606503A (en) | 2020-12-24 | 2020-12-24 | High-performance plastic shell and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112606503A true CN112606503A (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011553280.0A Pending CN112606503A (en) | 2020-12-24 | 2020-12-24 | High-performance plastic shell and preparation method thereof |
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| Country | Link |
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| CN (1) | CN112606503A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101600313A (en) * | 2008-06-06 | 2009-12-09 | 深圳富泰宏精密工业有限公司 | Shell and preparation method thereof |
| CN103665917A (en) * | 2013-11-29 | 2014-03-26 | 南宁市日建塑料包装有限责任公司 | Novel plastic formula |
| US20170267416A1 (en) * | 2014-12-02 | 2017-09-21 | Danapak Flexibles A/S | A lid sheet, a method for manufacture, and a package |
-
2020
- 2020-12-24 CN CN202011553280.0A patent/CN112606503A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101600313A (en) * | 2008-06-06 | 2009-12-09 | 深圳富泰宏精密工业有限公司 | Shell and preparation method thereof |
| CN103665917A (en) * | 2013-11-29 | 2014-03-26 | 南宁市日建塑料包装有限责任公司 | Novel plastic formula |
| US20170267416A1 (en) * | 2014-12-02 | 2017-09-21 | Danapak Flexibles A/S | A lid sheet, a method for manufacture, and a package |
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Application publication date: 20210406 |