CN105542382A - Plastic shell of electricity meter and application of plastic shell - Google Patents
Plastic shell of electricity meter and application of plastic shell Download PDFInfo
- Publication number
- CN105542382A CN105542382A CN201610047547.6A CN201610047547A CN105542382A CN 105542382 A CN105542382 A CN 105542382A CN 201610047547 A CN201610047547 A CN 201610047547A CN 105542382 A CN105542382 A CN 105542382A
- Authority
- CN
- China
- Prior art keywords
- mass ratio
- obtains
- prepares
- successively
- montmorillonite
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
- C08L2207/062—HDPE
Landscapes
- 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)
Abstract
The invention belongs to the field of plastic materials, and discloses a plastic shell of an electricity meter. The plastic shell of the electricity meter is prepared from polyethylene wax, dimethyl succinate, activated clay, graphite, aluminum hydroxide, magnesium hydroxide, sepiolite, white oil, silicon carbide, glass fibers, tributyl citrate, montmorillonite, kieselguhr, tetrabutyl titanate, ABS resin, high-density polyethylene and EPDM. The plastic shell of the electricity meter is good in mechanical performance, heat-resisting and flame-retarding performance and corrosion-resisting performance and suitable for application and popularization.
Description
Technical field
The invention belongs to plastic new material field, specifically disclose a kind of ammeter plastic casing and application thereof.
Background technology
Ammeter is the abbreviation of electric energy meter, is used to the instrument measuring electric energy, and also known as watt-hour meter, energy meter, electric energy meter, kilowatt-hour table, refers to the instrument measuring various electrical quantities.Ammeter housing mainly plays the function of protection ammeter internals, needs good mechanical property, good thermostability and flame retardant properties.Domestic current ammeter case material many employings flame-proof ABS.Although flame-proof ABS is cheap, rigidity is not fine.Adopt reinforced polycarbonate (PC) at present abroad, along with China's expanding economy, domestic also will employing in a large number strengthens PC as ammeter case material more.Polycarbonate is a kind of water white indefiniteness thermoplastic material, and its chemical property is weak acid resistant, resistance to weak base, resistance to neutral oil, not ultraviolet resistance and not resistance to highly basic, and its physical properties is linear expansivity: 38 × 10cm/cm
2, thermal change type temperature 135 DEG C, has poor stability, has that stress is easy to split, power of hitting notched Izod impact is low, wears no resistance, low on metalwork bounding force, viscosity large, the shortcoming such as poor fluidity and impact processing injection moulding.
The more of at present both at home and abroad research is polycarbonate modified ammeter case material, and its main component is polycarbonate, adds other fire retardant materials, and it often exists insufficient strength or the poor defect of thermostability, and various performance cannot have both; And a large amount of polycarbonate cost that uses is higher, reduces the profit margin of enterprise, does not utilize and promote the use of.Prior art urgently needs the ammeter plastic casing that high, the cold and hot stability of a kind of physical strength is high, flame retardant properties is better and with low cost.
Summary of the invention
The object of the invention is the many defects solving ammeter plastic casing in prior art, through lot of experiments and exploration, change existing raw material composition and preparation method, a kind of ammeter plastic casing and application thereof are provided.
To achieve these goals, technical scheme of the present invention realizes in the following way:
A kind of ammeter plastic casing, it is prepared by following raw material and obtains:
Polyethylene wax, dimethyl succinate, atlapulgite, graphite, aluminium hydroxide, magnesium hydroxide, sepiolite, white oil, silicon carbide, glass fibre, tributyl citrate, montmorillonite, diatomite, tetrabutyl titanate, ABS resin, high density polyethylene(HDPE) and terpolymer EP rubber.
Particularly, above-mentioned housing obtains according to following technique preparation:
Step 1) prepares material A: by polyethylene wax heat fused, then adds dimethyl succinate, atlapulgite and graphite, is uniformly mixed, obtain material A; Wherein, the mass ratio of polyethylene wax, dimethyl succinate, atlapulgite and graphite is 5:4:1:1;
Step 2) prepare material B: aluminium hydroxide, magnesium hydroxide and sepiolite are added to successively in ball mill, is ground to the compound that particle diameter is 1-5um, then with white oil mixing and stirring, obtain material B; Wherein, the mass ratio of aluminium hydroxide, magnesium hydroxide, sepiolite and white oil is 2:1:1:4;
Step 3) prepares material C: silicon carbide and glass fibre are added to successively in ball mill, be ground to the compound that particle diameter is 1-5um, then gained compound and tributyl citrate added in reactor, be heated to 70 DEG C, insulation reaction 10min, obtains material C; Wherein, the mass ratio of silicon carbide, glass fibre and tributyl citrate is 4:3:1;
Step 4) prepares material D: montmorillonite and diatomite are added to successively in ball mill, and be ground to the compound that particle diameter is 1-5um, then add in tetrabutyl titanate, 200 turns/min stirs 3 hours, is then placed in 4 DEG C of refrigerations 12 hours, obtains material D; Wherein, the mass ratio of montmorillonite, diatomite and tetrabutyl titanate is 7:5:2;
Step 5) prepares material E: by ABS resin, and high density polyethylene(HDPE) and terpolymer EP rubber are respectively 60 DEG C of preheatings 1 hour, and then mixing and stirring obtains major ingredient; Wherein, ABS resin, the mass ratio of high density polyethylene(HDPE) and terpolymer EP rubber is 12:7:3;
Step 6) prepares housing: material A, material B, material C, material D and material E are put into successively in stirred-tank reactor according to 17-20:12-15:6-9:2-3:100-120,500 turns/min stirs 3min, then enter twin screw extruder and be squeezed into molten state, by injector, molten mass is injected mould fast again, mould matched moulds cooling and shaping; After die sinking, finished product enters secondary mould, by cutting machine trimming and get final product in secondary mould.
The invention also discloses the application of above-mentioned housing in ammeter preparation.
Plastic material prepared by the present invention can also be applied to the housing of other products of preparation, comprises computer, TV and electrical condenser etc.
The beneficial effect that the present invention obtains mainly comprise following some:
Ammeter plastic casing of the present invention determine best material combination by test of many times, the good and excellent anti-corrosion performance of mechanical property, heat-proof combustion-resistant performance; The present invention has carried out modification to aluminium hydroxide and magnesium hydroxide, improves flame retardant properties, and improves plasticizing effect, shorten fusion time; The present invention by adding appropriate silicon carbide and glass fibre, and carries out modification to it, substantially increases intensity and the corrosion resistance nature of plastics; The present invention has also carried out modification to montmorillonite and diatomite, improves the bonding force between raw material, adds consistency and the stability of plastics, also possesses good anti-microbial property; The present invention with the addition of graphite and atlapulgite, improves adsorptivity and materials compatibility.
Embodiment
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the application's specific embodiment, carry out clearly, intactly describing to the present invention, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Embodiment 1
A kind of ammeter plastic casing, it is prepared by following raw material and obtains:
Polyethylene wax, dimethyl succinate, atlapulgite, graphite, aluminium hydroxide, magnesium hydroxide, sepiolite, white oil, silicon carbide, glass fibre, tributyl citrate, montmorillonite, diatomite, tetrabutyl titanate, ABS resin, high density polyethylene(HDPE) and terpolymer EP rubber.
Particularly, above-mentioned housing obtains according to following technique preparation:
Step 1) prepares material A: by polyethylene wax heat fused, then adds dimethyl succinate, atlapulgite and graphite, is uniformly mixed, obtain material A; Wherein, the mass ratio of polyethylene wax, dimethyl succinate, atlapulgite and graphite is 5:4:1:1;
Step 2) prepare material B: aluminium hydroxide, magnesium hydroxide and sepiolite are added to successively in ball mill, is ground to the compound that particle diameter is 1-5um, then with white oil mixing and stirring, obtain material B; Wherein, the mass ratio of aluminium hydroxide, magnesium hydroxide, sepiolite and white oil is 2:1:1:4;
Step 3) prepares material C: silicon carbide and glass fibre are added to successively in ball mill, be ground to the compound that particle diameter is 1-5um, then gained compound and tributyl citrate added in reactor, be heated to 70 DEG C, insulation reaction 10min, obtains material C; Wherein, the mass ratio of silicon carbide, glass fibre and tributyl citrate is 4:3:1;
Step 4) prepares material D: montmorillonite and diatomite are added to successively in ball mill, and be ground to the compound that particle diameter is 1-5um, then add in tetrabutyl titanate, 200 turns/min stirs 3 hours, is then placed in 4 DEG C of refrigerations 12 hours, obtains material D; Wherein, the mass ratio of montmorillonite, diatomite and tetrabutyl titanate is 7:5:2;
Step 5) prepares material E: by ABS resin, and high density polyethylene(HDPE) and terpolymer EP rubber are respectively 60 DEG C of preheatings 1 hour, and then mixing and stirring obtains major ingredient; Wherein, ABS resin, the mass ratio of high density polyethylene(HDPE) and terpolymer EP rubber is 12:7:3;
Step 6) prepares housing: material A, material B, material C, material D and material E are put into successively in stirred-tank reactor according to 17:12:6:2:100,500 turns/min stirs 3min, then enter twin screw extruder and be squeezed into molten state, by injector, molten mass is injected mould fast again, mould matched moulds cooling and shaping; After die sinking, finished product enters secondary mould, by cutting machine trimming and get final product in secondary mould.
Embodiment 2
A kind of ammeter plastic casing, it is prepared by following raw material and obtains:
Polyethylene wax, dimethyl succinate, atlapulgite, graphite, aluminium hydroxide, magnesium hydroxide, sepiolite, white oil, silicon carbide, glass fibre, tributyl citrate, montmorillonite, diatomite, tetrabutyl titanate, ABS resin, high density polyethylene(HDPE) and terpolymer EP rubber.
Particularly, above-mentioned housing obtains according to following technique preparation:
Step 1) prepares material A: by polyethylene wax heat fused, then adds dimethyl succinate, atlapulgite and graphite, is uniformly mixed, obtain material A; Wherein, the mass ratio of polyethylene wax, dimethyl succinate, atlapulgite and graphite is 5:4:1:1;
Step 2) prepare material B: aluminium hydroxide, magnesium hydroxide and sepiolite are added to successively in ball mill, is ground to the compound that particle diameter is 1-5um, then with white oil mixing and stirring, obtain material B; Wherein, the mass ratio of aluminium hydroxide, magnesium hydroxide, sepiolite and white oil is 2:1:1:4;
Step 3) prepares material C: silicon carbide and glass fibre are added to successively in ball mill, be ground to the compound that particle diameter is 1-5um, then gained compound and tributyl citrate added in reactor, be heated to 70 DEG C, insulation reaction 10min, obtains material C; Wherein, the mass ratio of silicon carbide, glass fibre and tributyl citrate is 4:3:1;
Step 4) prepares material D: montmorillonite and diatomite are added to successively in ball mill, and be ground to the compound that particle diameter is 1-5um, then add in tetrabutyl titanate, 200 turns/min stirs 3 hours, is then placed in 4 DEG C of refrigerations 12 hours, obtains material D; Wherein, the mass ratio of montmorillonite, diatomite and tetrabutyl titanate is 7:5:2;
Step 5) prepares material E: by ABS resin, and high density polyethylene(HDPE) and terpolymer EP rubber are respectively 60 DEG C of preheatings 1 hour, and then mixing and stirring obtains major ingredient; Wherein, ABS resin, the mass ratio of high density polyethylene(HDPE) and terpolymer EP rubber is 12:7:3;
Step 6) prepares housing: material A, material B, material C, material D and material E are put into successively in stirred-tank reactor according to 20:15:9:3:120,500 turns/min stirs 3min, then enter twin screw extruder and be squeezed into molten state, by injector, molten mass is injected mould fast again, mould matched moulds cooling and shaping; After die sinking, finished product enters secondary mould, by cutting machine trimming and get final product in secondary mould.
Embodiment 3
The performance test of ammeter plastic casing prepared by the present invention:
1. the tensile strength of the housing prepared of the embodiment of the present invention 1 and embodiment 2, elongation at break and heat-resistant fireproof better performances, the visible table 1 of concrete detected result:
Table 1
| Group | Tensile strength (N/mm 2） | Elongation at break (%) | The highest tolerable temperature (DEG C) | Flame retardant resistance UL-94 |
| Embodiment 1 | 25.1 | 239 | 236 | V-0 |
| Embodiment 2 | 24.7 | 243 | 239 | V-0 |
2. corrosion resistance test: test materials is dipped into 120h in the sodium hydroxide solution of 5%, each Specifeca tion speeification measures, in table 2.
Table 2
| Group | Tensile strength conservation rate (%) | Elongation at break (%) |
| Embodiment 1 | 99.1 | 98.7 |
| Embodiment 2 | 99.2 | 98.9 |
Finally, it is also to be noted that what enumerate above is only several specific embodiments of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be had.All distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate, all should think protection scope of the present invention.
Claims (3)
1. an ammeter plastic casing, it is prepared by following raw material and obtains:
Polyethylene wax, dimethyl succinate, atlapulgite, graphite, aluminium hydroxide, magnesium hydroxide, sepiolite, white oil, silicon carbide, glass fibre, tributyl citrate, montmorillonite, diatomite, tetrabutyl titanate, ABS resin, high density polyethylene(HDPE) and terpolymer EP rubber.
2. housing according to claim 1, is characterized in that, described housing obtains according to following technique preparation:
Step 1) prepares material A: by polyethylene wax heat fused, then adds dimethyl succinate, atlapulgite and graphite, is uniformly mixed, obtain material A; Wherein, the mass ratio of polyethylene wax, dimethyl succinate, atlapulgite and graphite is 5:4:1:1;
Step 2) prepare material B: aluminium hydroxide, magnesium hydroxide and sepiolite are added to successively in ball mill, is ground to the compound that particle diameter is 1-5um, then with white oil mixing and stirring, obtain material B; Wherein, the mass ratio of aluminium hydroxide, magnesium hydroxide, sepiolite and white oil is 2:1:1:4;
Step 3) prepares material C: silicon carbide and glass fibre are added to successively in ball mill, be ground to the compound that particle diameter is 1-5um, then gained compound and tributyl citrate added in reactor, be heated to 70 DEG C, insulation reaction 10min, obtains material C; Wherein, the mass ratio of silicon carbide, glass fibre and tributyl citrate is 4:3:1;
Step 4) prepares material D: montmorillonite and diatomite are added to successively in ball mill, and be ground to the compound that particle diameter is 1-5um, then add in tetrabutyl titanate, 200 turns/min stirs 3 hours, is then placed in 4 DEG C of refrigerations 12 hours, obtains material D; Wherein, the mass ratio of montmorillonite, diatomite and tetrabutyl titanate is 7:5:2;
Step 5) prepares material E: by ABS resin, and high density polyethylene(HDPE) and terpolymer EP rubber are respectively 60 DEG C of preheatings 1 hour, and then mixing and stirring obtains major ingredient; Wherein, ABS resin, the mass ratio of high density polyethylene(HDPE) and terpolymer EP rubber is 12:7:3;
Step 6) prepares housing: material A, material B, material C, material D and material E are put into successively in stirred-tank reactor according to 17-20:12-15:6-9:2-3:100-120,500 turns/min stirs 3min, then enter twin screw extruder and be squeezed into molten state, by injector, molten mass is injected mould fast again, mould matched moulds cooling and shaping; After die sinking, finished product enters secondary mould, by cutting machine trimming and get final product in secondary mould.
3. the housing described in claim 1 or 2 is applied in ammeter preparation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610047547.6A CN105542382A (en) | 2016-01-22 | 2016-01-22 | Plastic shell of electricity meter and application of plastic shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610047547.6A CN105542382A (en) | 2016-01-22 | 2016-01-22 | Plastic shell of electricity meter and application of plastic shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105542382A true CN105542382A (en) | 2016-05-04 |
Family
ID=55821962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610047547.6A Pending CN105542382A (en) | 2016-01-22 | 2016-01-22 | Plastic shell of electricity meter and application of plastic shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105542382A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106101338A (en) * | 2016-05-26 | 2016-11-09 | 李聪 | A kind of simple mobile phone protection set |
| CN107254136A (en) * | 2017-05-10 | 2017-10-17 | 天长市通联焊业有限公司 | A kind of ammeter housing PC/ABS alloy materials and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103421225A (en) * | 2012-05-21 | 2013-12-04 | 特茂热导工业股份有限公司 | Electrical insulation heat-conductive fireproof material |
| CN104479254A (en) * | 2014-12-30 | 2015-04-01 | 国家电网公司 | Preparation process of electric ammeter shell material |
-
2016
- 2016-01-22 CN CN201610047547.6A patent/CN105542382A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103421225A (en) * | 2012-05-21 | 2013-12-04 | 特茂热导工业股份有限公司 | Electrical insulation heat-conductive fireproof material |
| CN104479254A (en) * | 2014-12-30 | 2015-04-01 | 国家电网公司 | Preparation process of electric ammeter shell material |
Non-Patent Citations (4)
| Title |
|---|
| 吴培熙 等: "《塑料制品生产工艺手册 第三版》", 31 October 2004, 化学工业出版社 材料科学与工程出版中心 * |
| 周殿明 主编: "《塑料成型技术》", 31 October 2014, 机械工业出版社 * |
| 咸才军 主编: "《纳米建材》", 31 August 2003, 化学工业出版社 材料科学与工程出版中心 * |
| 慕成斌 等: "《通信光纤光缆材料及产业发展》", 30 June 2015, 同济大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106101338A (en) * | 2016-05-26 | 2016-11-09 | 李聪 | A kind of simple mobile phone protection set |
| CN107254136A (en) * | 2017-05-10 | 2017-10-17 | 天长市通联焊业有限公司 | A kind of ammeter housing PC/ABS alloy materials and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101613480B (en) | Enhanced polybutylene terephthalate flame-retardant heat conduction material preparation method | |
| CN104479255A (en) | Electric ammeter shell material | |
| CN101580632B (en) | High-gloss high-performance fiber glass reinforced PBT material and preparation method thereof | |
| CN104479353B (en) | Novel halogen-free flame-retardant composition, halogen-free flame-retardant PBT engineering plastic composite material and preparation method thereof | |
| CN100406520C (en) | Environmental-friendly fire-retardant PC/PBT plastic alloy | |
| CN103665688A (en) | Electricity meter casing and preparation method thereof | |
| CN103788588A (en) | Low-warping high-rigidity conductive PBT composite material and preparation method | |
| CN101407621A (en) | Flame-retardant PBT / PC plastic alloy and manufacturing method thereof | |
| CN103601976A (en) | Glass fiber reinforced polypropylene material for swimming pool staircase footplate and preparation method of glass fiber reinforced polypropylene material | |
| CN104479254A (en) | Preparation process of electric ammeter shell material | |
| CN104130503B (en) | A kind of insulating material for power system and application | |
| CN105440628B (en) | One kind enhancing fire retardation PC/PPO composite material and preparation method thereof | |
| CN105623183A (en) | Preparation technique of television case | |
| CN108624006A (en) | A kind of high flowing fiberglass reinforced fire retardant PC/PBT alloy materials and preparation method thereof | |
| CN107418119A (en) | A kind of fire-retardant power electric meter sheathing material and preparation method thereof | |
| CN107974020A (en) | A kind of reinforced aromatic vinyl copolymer compositions and its application | |
| CN110982245A (en) | Modified polyphenyl ether resin material and preparation method and application thereof | |
| CN103073865A (en) | PC and copolyester blend and preparation method thereof | |
| CN101787190B (en) | Flame-retarding environment-friendly high-intensity PC-AS composite material and preparation method thereof | |
| CN104448574A (en) | Environment-friendly weather-resistant flame-retardant PP material and preparation method thereof | |
| CN107189272A (en) | A kind of power electric meter sheathing material and preparation method thereof | |
| CN104725797B (en) | Method for preparing flame-retardant plastic composite material | |
| CN102850750B (en) | Preparation method of halogen-free flame retardant polypropylene modified polycarbonate alloy material | |
| CN105542382A (en) | Plastic shell of electricity meter and application of plastic shell | |
| CN104559128A (en) | Preparation process for composite material of household appliance housing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160504 |