CN112793102A - Injection molding process of automobile wire harness product - Google Patents
Injection molding process of automobile wire harness product Download PDFInfo
- Publication number
- CN112793102A CN112793102A CN202011505111.XA CN202011505111A CN112793102A CN 112793102 A CN112793102 A CN 112793102A CN 202011505111 A CN202011505111 A CN 202011505111A CN 112793102 A CN112793102 A CN 112793102A
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- injection molding
- pressure maintaining
- raw material
- wire harness
- molding process
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 50
- 239000002994 raw material Substances 0.000 claims abstract description 30
- 238000002347 injection Methods 0.000 claims abstract description 25
- 239000007924 injection Substances 0.000 claims abstract description 25
- 239000002245 particle Substances 0.000 claims abstract description 25
- 239000000047 product Substances 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 238000004806 packaging method and process Methods 0.000 claims abstract description 4
- 239000011265 semifinished product Substances 0.000 claims abstract description 4
- 238000001291 vacuum drying Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000003963 antioxidant agent Substances 0.000 claims description 9
- 230000003078 antioxidant effect Effects 0.000 claims description 9
- 239000012745 toughening agent Substances 0.000 claims description 9
- -1 polytetrafluoroethylene Polymers 0.000 claims description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 6
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 6
- 239000003063 flame retardant Substances 0.000 claims description 6
- 239000000314 lubricant Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 239000004114 Ammonium polyphosphate Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims description 3
- 229920001276 ammonium polyphosphate Polymers 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920001684 low density polyethylene Polymers 0.000 claims description 3
- 239000004702 low-density polyethylene Substances 0.000 claims description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical group [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- ZQKXQUJXLSSJCH-UHFFFAOYSA-N melamine cyanurate Chemical compound NC1=NC(N)=NC(N)=N1.O=C1NC(=O)NC(=O)N1 ZQKXQUJXLSSJCH-UHFFFAOYSA-N 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical group CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000004743 Polypropylene Substances 0.000 description 7
- 229920001155 polypropylene Polymers 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 230000000704 physical effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- 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
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of 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
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an injection molding process of an automobile wire harness product, which comprises the following steps: (1) drying raw material particles: putting the raw material particles into a vacuum drier for vacuum drying, so that the water content of the raw material particles is reduced to be below 0.01%; (2) plasticizing: putting the dried raw material particles into a charging barrel of a screw injection molding machine for plasticizing to enable the raw material to be in a molten state; (3) molding: extruding and injecting the melted raw materials into an injection mold; (4) pressure maintaining: the injection molding machine carries out pressure maintaining on the injection molding product twice at different pressure maintaining pressures, the same pressure maintaining flow and the same pressure maintaining time; (5) taking out the semi-finished product; (6) cutting a pouring gate; (7) and (6) inspecting and packaging. The invention is scientific and rigorous in formula, simple and controllable in production process, low in cost, small in pollution and worthy of popularization.
Description
Technical Field
The invention belongs to the technical field of plastic processing, and particularly relates to an injection molding process of an automobile wire harness product.
Background
Polypropylene (PP), a semi-crystalline thermoplastic, has many advantages of resistance to various organic solvents, acid and alkali corrosion resistance, good chemical stability, easy forming and the like, has been widely applied to various fields such as medical treatment, health, food, catering and the like, is a product with the largest usage amount and the fastest growth speed in high polymer materials in the world at present, and is an ideal material for preparing plastic products.
The automobile wire harness is usually produced by PP plastic through an injection molding process, and the setting of parameters such as equipment structure, temperature, pressure and the like in the existing injection molding machine and the injection molding process can all have important influence on the appearance quality and the performance of plastic products.
Disclosure of Invention
The invention mainly solves the technical problem of providing the injection molding process of the automobile wire harness product, and the injection molding process is scientific and rigorous in formula, simple and controllable in the production process, low in cost, small in pollution and worthy of popularization.
In order to solve the technical problems, the invention adopts a technical scheme that: the injection molding process of the automobile wire harness product comprises the following steps:
(1) drying raw material particles: putting the raw material particles into a vacuum drier for vacuum drying, so that the water content of the raw material particles is reduced to be below 0.01%;
wherein the raw material particles comprise the following components: 40-50 parts of PP particles; 10-15 parts of functional master batch; 0.3-0.8 part of antioxidant; 1-2 parts of a flame retardant; 0.1-0.5 part of toughening agent;
wherein the functional master batch comprises, by mass, 70-75 wt% of ammonium polyphosphate, 20-24 wt% of melamine cyanurate, 1-2 wt% of carrier resin, 0.1-0.3 wt% of styrene-acrylonitrile copolymer coated polytetrafluoroethylene, 0.1-0.3 wt% of dispersant and 0.1-0.3 wt% of lubricant;
the toughening agent is an epoxy resin toughening agent;
the flame retardant is magnesium hydroxide;
the antioxidant is antioxidant BHT;
(2) plasticizing: putting the dried raw material particles into a charging barrel of a screw injection molding machine for plasticizing to enable the raw material to be in a molten state;
(3) molding: extruding and injecting the melted raw materials into an injection mold;
(4) pressure maintaining: the injection molding machine carries out pressure maintaining on the injection molding product twice at different pressure maintaining pressures, the same pressure maintaining flow and different pressure maintaining time;
(5) taking out the semi-finished product;
(6) cutting a pouring gate;
(7) and (6) inspecting and packaging.
Further, in the step (3), injection molding is carried out in three times with the same injection molding time, the same injection molding pressure and different injection molding flow rates, and the first injection flow rate is 100cm3Second injection flow of 90cm3The third injection flow is 75cm3/s。
Further, the total injection time of three injections was 33 s.
Further, the temperature of the first section of the charging barrel in the injection molding machine in the step (2) is 280 ℃, the temperature of the second section is 275 ℃, the temperature of the third section is 265 ℃, the temperature of the fourth section is 260 ℃ and the temperature of the fifth section is 255 ℃.
Further, the pressure of the first pressure maintaining in the step (4) is 45mpa, the pressure maintaining time of the first pressure maintaining is 1s, the pressure maintaining pressure of the second pressure maintaining is 35mpa, the pressure maintaining time of the second pressure maintaining is 0.5s, and the pressure maintaining flow rate of the two pressure maintaining is 10cm3/s。
Further, the raw material particles in the step (1) are dried at 85 ℃ for 1-3 h.
Further, the carrier resin is low density polyethylene.
Further, the dispersant is stearic acid.
Further, the lubricant is polyethylene wax.
The invention has the beneficial effects that: by controlling key parameters such as a formula, injection pressure, temperature, injection flow, injection time and the like in injection molding processing, the PP plastic product processed and molded has good physical properties such as high tensile strength, smooth surface and the like, and the process parameters are easy to control, low in production cost and easy to popularize.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention, and to clearly and unequivocally define the scope of the present invention.
Example (b): an injection molding process of an automobile wire harness product comprises the following steps:
(1) drying raw material particles: putting the raw material particles into a vacuum drier for vacuum drying, so that the water content of the raw material particles is reduced to be below 0.01%;
wherein the raw material particles comprise the following components: 40-50 parts of PP particles; 10-15 parts of functional master batch; 0.3-0.8 part of antioxidant; 1-2 parts of a flame retardant; 0.1-0.5 part of toughening agent;
wherein the functional master batch comprises, by mass, 70-75 wt% of ammonium polyphosphate, 20-24 wt% of melamine cyanurate, 1-2 wt% of carrier resin, 0.1-0.3 wt% of styrene-acrylonitrile copolymer coated polytetrafluoroethylene, 0.1-0.3 wt% of dispersant and 0.1-0.3 wt% of lubricant;
the toughening agent is an epoxy resin toughening agent;
the flame retardant is magnesium hydroxide;
the antioxidant is antioxidant BHT;
(2) plasticizing: putting the dried raw material particles into a charging barrel of a screw injection molding machine for plasticizing to enable the raw material to be in a molten state;
(3) molding: extruding and injecting the melted raw materials into an injection mold;
(4) pressure maintaining: the injection molding machine carries out pressure maintaining on the injection molding product twice at different pressure maintaining pressures, the same pressure maintaining flow and different pressure maintaining time;
(5) taking out the semi-finished product;
(6) cutting a pouring gate;
(7) and (6) inspecting and packaging.
And (3) performing injection molding for three times at the same injection molding time, the same injection molding pressure and different injection molding flow rates, wherein the first injection flow rate is 100cm3Second injection flow of 90cm3The third injection flow is 75cm3/s。
The total injection time for the three injections was 33 s.
The first section temperature of the charging barrel in the injection molding machine in the step (2) is 280 ℃, the second section temperature is 275 ℃, the third section temperature is 265 ℃, the fourth section temperature is 260 ℃ and the fifth section temperature is 255 ℃.
The pressure maintaining pressure of the first pressure maintaining in the step (4) is 45mpa, the pressure maintaining time of the first pressure maintaining is 1s, the pressure maintaining pressure of the second pressure maintaining is 35mpa, the pressure maintaining time of the second pressure maintaining is 0.5s, and the pressure maintaining flow rate of the two pressure maintaining is 10cm3/s。
And (2) drying the raw material particles in the step (1) at 85 ℃ for 1-3 h.
The carrier resin is low density polyethylene.
The dispersant is stearic acid.
The lubricant is polyethylene wax.
The working principle of the invention is as follows: by controlling key parameters such as a formula, injection pressure, temperature, injection flow, injection time and the like in injection molding processing, the PP plastic product processed and molded has good physical properties such as high tensile strength, smooth surface and the like, and the process parameters are easy to control, low in production cost and easy to popularize.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications made by the present invention in the equivalent structure or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (9)
1. An injection molding process of an automobile wire harness product is characterized in that: the method comprises the following steps:
(1) drying raw material particles: putting the raw material particles into a vacuum drier for vacuum drying, so that the water content of the raw material particles is reduced to be below 0.01%;
wherein the raw material particles comprise the following components: 40-50 parts of PP particles; 10-15 parts of functional master batch; 0.3-0.8 part of antioxidant; 1-2 parts of a flame retardant; 0.1-0.5 part of toughening agent;
wherein the functional master batch comprises, by mass, 70-75 wt% of ammonium polyphosphate, 20-24 wt% of melamine cyanurate, 1-2 wt% of carrier resin, 0.1-0.3 wt% of styrene-acrylonitrile copolymer coated polytetrafluoroethylene, 0.1-0.3 wt% of dispersant and 0.1-0.3 wt% of lubricant;
the toughening agent is an epoxy resin toughening agent;
the flame retardant is magnesium hydroxide;
the antioxidant is antioxidant BHT;
(2) plasticizing: putting the dried raw material particles into a charging barrel of a screw injection molding machine for plasticizing to enable the raw material to be in a molten state;
(3) molding: extruding and injecting the melted raw materials into an injection mold;
(4) pressure maintaining: the injection molding machine carries out pressure maintaining on the injection molding product twice at different pressure maintaining pressures, the same pressure maintaining flow and different pressure maintaining time;
(5) taking out the semi-finished product;
(6) cutting a pouring gate;
(7) and (6) inspecting and packaging.
2. The injection molding process for an automotive wire harness article according to claim 1, wherein the injection molding process is characterized in thatThe method comprises the following steps: and (3) performing injection molding for three times at the same injection molding time, the same injection molding pressure and different injection molding flow rates, wherein the first injection flow rate is 100cm3Second injection flow of 90cm3The third injection flow is 75cm3/s。
3. The injection molding process of an automotive wire harness article according to claim 2, characterized in that: the total injection time for the three injections was 33 s.
4. The injection molding process of an automotive wire harness article according to claim 1, characterized in that: the first section temperature of the charging barrel in the injection molding machine in the step (2) is 280 ℃, the second section temperature is 275 ℃, the third section temperature is 265 ℃, the fourth section temperature is 260 ℃ and the fifth section temperature is 255 ℃.
5. The injection molding process of an automotive wire harness article according to claim 1, characterized in that: the pressure maintaining pressure of the first pressure maintaining in the step (4) is 45mpa, the pressure maintaining time of the first pressure maintaining is 1s, the pressure maintaining pressure of the second pressure maintaining is 35mpa, the pressure maintaining time of the second pressure maintaining is 0.5s, and the pressure maintaining flow rate of the two pressure maintaining is 10cm3/s。
6. The injection molding process of an automotive wire harness article according to claim 1, characterized in that: and (2) drying the raw material particles in the step (1) at 85 ℃ for 1-3 h.
7. The injection molding process of an automotive wire harness article according to claim 1, characterized in that: the carrier resin is low density polyethylene.
8. The injection molding process of an automotive wire harness article according to claim 1, characterized in that: the dispersant is stearic acid.
9. The injection molding process of an automotive wire harness article according to claim 1, characterized in that: the lubricant is polyethylene wax.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505111.XA CN112793102A (en) | 2020-12-18 | 2020-12-18 | Injection molding process of automobile wire harness product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505111.XA CN112793102A (en) | 2020-12-18 | 2020-12-18 | Injection molding process of automobile wire harness product |
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| Publication Number | Publication Date |
|---|---|
| CN112793102A true CN112793102A (en) | 2021-05-14 |
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ID=75806945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011505111.XA Pending CN112793102A (en) | 2020-12-18 | 2020-12-18 | Injection molding process of automobile wire harness product |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746607A (en) * | 2012-07-05 | 2012-10-24 | 浙江富丽新材料有限公司 | Insulated and heat conducting environment-friendly flame-retardant ABS (Acrylonitrile Butadiene Styrene) resin and preparation method thereof |
| CN105419106A (en) * | 2016-01-08 | 2016-03-23 | 深圳职业技术学院 | Halogen-free flame retardant resin and preparation method thereof |
| CN110355938A (en) * | 2019-07-29 | 2019-10-22 | 天津提爱思塑料制品有限公司 | A kind of injection molding production technology of automobile moulding |
| CN110591228A (en) * | 2019-10-09 | 2019-12-20 | 江苏万纳普新材料科技有限公司 | Special flame-retardant synergistic functional master batch for polypropylene modification and preparation method thereof |
| CN111086153A (en) * | 2020-03-25 | 2020-05-01 | 宁波四维尔工业有限责任公司 | Automobile thick-wall automobile logo and injection molding process |
-
2020
- 2020-12-18 CN CN202011505111.XA patent/CN112793102A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746607A (en) * | 2012-07-05 | 2012-10-24 | 浙江富丽新材料有限公司 | Insulated and heat conducting environment-friendly flame-retardant ABS (Acrylonitrile Butadiene Styrene) resin and preparation method thereof |
| CN105419106A (en) * | 2016-01-08 | 2016-03-23 | 深圳职业技术学院 | Halogen-free flame retardant resin and preparation method thereof |
| CN110355938A (en) * | 2019-07-29 | 2019-10-22 | 天津提爱思塑料制品有限公司 | A kind of injection molding production technology of automobile moulding |
| CN110591228A (en) * | 2019-10-09 | 2019-12-20 | 江苏万纳普新材料科技有限公司 | Special flame-retardant synergistic functional master batch for polypropylene modification and preparation method thereof |
| CN111086153A (en) * | 2020-03-25 | 2020-05-01 | 宁波四维尔工业有限责任公司 | Automobile thick-wall automobile logo and injection molding process |
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