CN104292614A - Plastic for injection molding of mutual inductor shells - Google Patents
Plastic for injection molding of mutual inductor shells Download PDFInfo
- Publication number
- CN104292614A CN104292614A CN201410476319.1A CN201410476319A CN104292614A CN 104292614 A CN104292614 A CN 104292614A CN 201410476319 A CN201410476319 A CN 201410476319A CN 104292614 A CN104292614 A CN 104292614A
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- Prior art keywords
- parts
- mutual inductor
- plastic
- transformer casing
- polypropylene
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
- 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
- C08L2201/08—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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Insulating Of Coils (AREA)
Abstract
The invention discloses a plastic for injection molding of mutual inductor shells, relating to the technical field of mutual inductor manufacturing. The plastic comprises the following raw materials in parts by weight: 60-75 parts of polypropylene, 1-3 parts of paraffin, 5-10 parts of anti-ageing agents, 3-8 parts of accelerants, 6-9 parts of adhesives and 10-15 parts of toughening agents. By taking the polypropylene as the main raw material, the plastic is light in weight, good in mechanical property, impact-resistant and good in molding property, has relatively high heat resistance, does not absorb water, does not react with most of chemicals, does not have toxicity and has good electric insulation property; by adding the anti-ageing agents, the plastic is durable and ageing-resistant; by adding the adhesives, the adhesiveness is high, so that the plastic is easy to be adhered to the surfaces of mutual inductors; and by adding the accelerants, the plastic is easier to mold.
Description
Technical field
The present invention relates to technical field of mutual inductor manufacture, be specifically related to a kind of transformer casing injection plastics.
Background technology
Mutual inductor is also called instrument transformer, it is the general designation of current transformer and voltage transformer, high-voltage can be become low voltage, big current becomes small area analysis, for measuring or securing system, high-voltage or big current scaling transformation are mainly become normal low voltage or standard small area analysis by its function, to realize metrical instrument, the stdn of proterctive equipment and automatic control equipment, miniaturization, mutual inductor also can be used to separate high-voltage system simultaneously, to ensure the safety of the person and equipment, on the circuit card of air-conditioning, practicality is a kind of very little mutual inductor, mutual inductance electric current is minimum, so very high to the technical requirements of producing this small-sized mutual inductor, Variable Control is very meticulous, a bit little variation of mutual inductor self structure all likely causes the result of use of mutual inductor, so need this type of small-sized mutual inductor to be placed in a closed environment, improve its job stability, the volume of this type of mutual inductor is very little, glass-fiber-plate cannot be used to make pack case, the method of current use is by mutual inductor outer wrap one deck plastics, the technique means of current use the mutual inductor made is put into the mould of injection moulding machine, injection polypropylene wraps up, polypropylene reactance voltage, arc resistance is good, but its winter hardiness is poor, low temperature impact strength is low, easy light in using, heat and the effect of oxygen and aging, toughness is bad, tackiness is poor, there will be difficult shaping during injection moulding, the situation that there will be aged deterioration has been used for a long time to occur.
Summary of the invention
For the problems referred to above, the invention provides a kind of transformer casing injection plastics, convenient formation, use stable.
In order to solve the problem, technical scheme provided by the invention is:
A kind of transformer casing injection plastics, is characterized in that: the raw material comprising following weight part: polypropylene 60 ~ 75 parts, 1 ~ 3 part, paraffin, antiager: 5 ~ 10 parts, promotor: 3 ~ 8 parts, tackiness agent: 6 ~ 9 parts, toughner: 10 ~ 15 parts.
Preferably, described transformer casing injection plastics, comprises the raw material of following weight part: polypropylene 60 ~ 70 parts, 1 ~ 2 part, paraffin, antiager: 8 ~ 10 parts, promotor: 5 ~ 8 parts, tackiness agent: 6 ~ 7 parts, toughner: 13 ~ 15 parts.
Preferably, described transformer casing injection plastics, comprises the raw material of following weight part: polypropylene 70 ~ 75 parts, paraffin: 2 ~ 3, antiager: 5 ~ 8 parts, promotor: 3 ~ 5 parts, tackiness agent: 7 ~ 9 parts, toughner: 10 ~ 13 parts.
Preferably, described antiaging agent is the wherein one of zinc oxide, Tyox B, tertiary amine
Preferably, described promotor be trolamine etc., iron trichloride, tetramethyl thiourea wherein a kind of.
Preferably, described tackiness agent is the wherein one of urethane, polystyrene, polyacrylic ester.
Preferably, described toughner is the wherein one of styrene butadiene, chlorinatedpolyethylene, chloroprene rubber.
Compared with prior art, beneficial effect of the present invention is: using polypropylene as main raw material, and quality is light, and mechanical property is good, shock-resistant, moulding processability is good, has higher thermotolerance, do not absorb water, do not react with most pharmaceutical chemicals, nontoxicity, electrical insulating property is good, adds protective agent, durable in use, can not be aging, add tackiness agent, binding property is high, easily stick to mutual inductor surface, add promotor, more easily shaping.
Embodiment
The present invention will be further described below:
Embodiment one:
A kind of transformer casing injection plastics, comprises the raw material of following weight part: polypropylene 60 parts, 3 parts, paraffin, 10 parts, zinc oxide, trolamine etc. 8 parts, urethane 6 parts, styrene butadiene 15 parts.
Practical approach of the present invention is: first weighed by various raw material by weight, by the mixing that stirs after load weighted various raw mill powdered, the raw material mixed is put into injection moulding machine material box, open injection moulding machine, setting injection temperature is 200 DEG C, injection moulding is set as 30 seconds heat-up time, first do not put into mutual inductor, plastics of the present invention are injected in injection mold, taking-up plastic component after injection moulding completes, 100N shock test is carried out at subzero 30 DEG C of temperature, impact 20 times, without fracture, without distortion, mutual inductor is put into injection machine mould and carries out injection moulding, the mutual inductor that after injection moulding completes, taking-up is shaping, outer inspection mutual inductor, shaping complete, leakless, without disappearance, mutual inductor after shaping is put into oxygen case and is heated to 60 DEG C, place 48 hours, rear taking-up mutual inductor, detect transformer casing plastics without aging, test mutual inductor electrical property, electrical property is normal.
Embodiment two:
A kind of transformer casing injection plastics, comprises the raw material of following weight part: polypropylene 70 parts, 2 parts, paraffin, Tyox B 8 parts, iron trichloride 5 parts, polystyrene 9 parts, chlorinatedpolyethylene 10 parts.
Practical approach of the present invention is: first weighed by various raw material by weight, by the mixing that stirs after load weighted various raw mill powdered, the raw material mixed is put into injection moulding machine material box, open injection moulding machine, setting injection temperature is 210 DEG C, injection moulding is set as 25 seconds heat-up time, first do not put into mutual inductor, plastics of the present invention are injected in injection mold, taking-up plastic component after injection moulding completes, 110N shock test is carried out at subzero 30 DEG C of temperature, impact 25 times, without fracture, without distortion, mutual inductor is put into injection machine mould and carries out injection moulding, the mutual inductor that after injection moulding completes, taking-up is shaping, outer inspection mutual inductor, shaping complete, leakless, without disappearance, mutual inductor after shaping is put into oxygen case and is heated to 70 DEG C, place 50 hours, rear taking-up mutual inductor, detect transformer casing plastics without aging, test mutual inductor electrical property, electrical property is normal.
Embodiment three:
A kind of transformer casing injection plastics, comprises the raw material of following weight part: polypropylene 75 parts, 1 part, paraffin, tertiary amine 5 parts, tetramethyl thiourea 3 parts, polyacrylic ester 7 parts, chloroprene rubber 13 parts.
Practical approach of the present invention is: first weighed by various raw material by weight, by the mixing that stirs after load weighted various raw mill powdered, the raw material mixed is put into injection moulding machine material box, open injection moulding machine, setting injection temperature is 220 DEG C, injection moulding is set as 35 seconds heat-up time, first do not put into mutual inductor, plastics of the present invention are injected in injection mold, taking-up plastic component after injection moulding completes, 150N shock test is carried out at subzero 30 DEG C of temperature, impact 30 times, without fracture, without distortion, mutual inductor is put into injection machine mould and carries out injection moulding, the mutual inductor that after injection moulding completes, taking-up is shaping, outer inspection mutual inductor, shaping complete, leakless, without disappearance, mutual inductor after shaping is put into oxygen case and is heated to 60 DEG C, place 55 hours, rear taking-up mutual inductor, detect transformer casing plastics without aging, test mutual inductor electrical property, electrical property is normal.
Embodiment four:
A kind of transformer casing injection plastics, comprises the raw material of following weight part: polypropylene 72 parts, 1 part, paraffin, tertiary amine 7 parts, tetramethyl thiourea 3 parts, polyacrylic ester 7 parts, chloroprene rubber 12 parts.
Practical approach of the present invention is: first weighed by various raw material by weight, by the mixing that stirs after load weighted various raw mill powdered, the raw material mixed is put into injection moulding machine material box, open injection moulding machine, setting injection temperature is 220 DEG C, injection moulding is set as 35 seconds heat-up time, first do not put into mutual inductor, plastics of the present invention are injected in injection mold, taking-up plastic component after injection moulding completes, 150N shock test is carried out at subzero 30 DEG C of temperature, impact 30 times, without fracture, without distortion, mutual inductor is put into injection machine mould and carries out injection moulding, the mutual inductor that after injection moulding completes, taking-up is shaping, outer inspection mutual inductor, shaping complete, leakless, without disappearance, mutual inductor after shaping is put into oxygen case and is heated to 60 DEG C, place 55 hours, rear taking-up mutual inductor, detect transformer casing plastics without aging, test mutual inductor electrical property, electrical property is normal.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (7)
1. a transformer casing injection plastics, is characterized in that: the raw material comprising following weight part: polypropylene 60 ~ 75 parts, 1 ~ 3 part, paraffin, antiager 5 ~ 10 parts, promotor 3 ~ 8 parts, 6 ~ 9 parts, tackiness agent, toughner 10 ~ 15 parts.
2. transformer casing injection plastics according to claim 1, is characterized in that: the raw material comprising following weight part: polypropylene 60 ~ 70 parts, 1 ~ 2 part, paraffin, antiager 8 ~ 10 parts, promotor 5 ~ 8 parts, 6 ~ 7 parts, tackiness agent, toughner 13 ~ 15 parts.
3. transformer casing injection plastics according to claim 1, is characterized in that: the raw material comprising following weight part: polypropylene 70 ~ 75 parts, paraffin 2 ~ 3, antiager 5 ~ 8 parts, promotor 3 ~ 5 parts, 7 ~ 9 parts, tackiness agent, toughner 10 ~ 13 parts.
4. transformer casing injection plastics according to claim 1, is characterized in that: described antiaging agent is the wherein one of zinc oxide, Tyox B, tertiary amine.
5. transformer casing injection plastics according to claim 1, is characterized in that: described promotor be trolamine etc., iron trichloride, tetramethyl thiourea wherein a kind of.
6. transformer casing injection plastics according to claim 1, is characterized in that: described tackiness agent is the wherein one of urethane, polystyrene, polyacrylic ester.
7. transformer casing injection plastics according to claim 1, is characterized in that: described toughner is the wherein one of styrene butadiene, chlorinatedpolyethylene, chloroprene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410476319.1A CN104292614A (en) | 2014-09-17 | 2014-09-17 | Plastic for injection molding of mutual inductor shells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410476319.1A CN104292614A (en) | 2014-09-17 | 2014-09-17 | Plastic for injection molding of mutual inductor shells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104292614A true CN104292614A (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410476319.1A Pending CN104292614A (en) | 2014-09-17 | 2014-09-17 | Plastic for injection molding of mutual inductor shells |
Country Status (1)
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| CN (1) | CN104292614A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105111548A (en) * | 2015-09-16 | 2015-12-02 | 合肥海畅电气技术有限公司 | Protection insulation shell for general type watch strap type contact temperature sensor |
| CN105548628A (en) * | 2015-12-24 | 2016-05-04 | 江苏麟派电力科技有限公司 | Production technology of distribution-automation-system high and effective intelligent fault indicator |
| CN107603123A (en) * | 2017-10-16 | 2018-01-19 | 佛山市华电互感开关有限公司 | A kind of transformer casing material of high temperature resistant and low temperature |
| CN118507243A (en) * | 2024-07-15 | 2024-08-16 | 株洲宏达磁电科技有限公司 | Method for preparing inductor by adopting composite magnetic fluid integrated injection molding and prepared inductor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916067A (en) * | 2006-09-07 | 2007-02-21 | 浙江俊尔新材料有限公司 | Modified, weather resisting polypropylene material |
| EP2248853A1 (en) * | 2006-08-16 | 2010-11-10 | Dow Global Technologies Inc. | Polymeric material and process for forming and using same |
| CN103396612A (en) * | 2013-08-15 | 2013-11-20 | 常州思道高分子材料科技有限公司 | Modified polypropylene material for micro-motor housing |
| CN103483667A (en) * | 2013-10-01 | 2014-01-01 | 青岛三立新源电器有限公司 | Modified flame-retardant wearproof polyethylene plastic |
-
2014
- 2014-09-17 CN CN201410476319.1A patent/CN104292614A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2248853A1 (en) * | 2006-08-16 | 2010-11-10 | Dow Global Technologies Inc. | Polymeric material and process for forming and using same |
| CN1916067A (en) * | 2006-09-07 | 2007-02-21 | 浙江俊尔新材料有限公司 | Modified, weather resisting polypropylene material |
| CN103396612A (en) * | 2013-08-15 | 2013-11-20 | 常州思道高分子材料科技有限公司 | Modified polypropylene material for micro-motor housing |
| CN103483667A (en) * | 2013-10-01 | 2014-01-01 | 青岛三立新源电器有限公司 | Modified flame-retardant wearproof polyethylene plastic |
Non-Patent Citations (3)
| Title |
|---|
| 乐为主编: "《机电设备装调与维护技术基础》", 31 January 2010, article "粘合剂", pages: 13 * |
| 卓昌明主编: "《塑料应用技术手册》", 31 May 2013, article "冲击性能", pages: 171 * |
| 李子东 等编: "《胶黏剂助剂》", 28 February 2005, article "促进剂", pages: 104 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105111548A (en) * | 2015-09-16 | 2015-12-02 | 合肥海畅电气技术有限公司 | Protection insulation shell for general type watch strap type contact temperature sensor |
| CN105548628A (en) * | 2015-12-24 | 2016-05-04 | 江苏麟派电力科技有限公司 | Production technology of distribution-automation-system high and effective intelligent fault indicator |
| CN105548628B (en) * | 2015-12-24 | 2018-06-22 | 江苏麟派电力科技股份有限公司 | A kind of production technology of electrical power distribution automatization system high efficiency smart fault detector |
| CN107603123A (en) * | 2017-10-16 | 2018-01-19 | 佛山市华电互感开关有限公司 | A kind of transformer casing material of high temperature resistant and low temperature |
| CN118507243A (en) * | 2024-07-15 | 2024-08-16 | 株洲宏达磁电科技有限公司 | Method for preparing inductor by adopting composite magnetic fluid integrated injection molding and prepared inductor |
| CN118507243B (en) * | 2024-07-15 | 2024-10-11 | 株洲宏达磁电科技有限公司 | Method for preparing inductor by adopting composite magnetic fluid integrated injection molding and prepared inductor |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150121 |
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| RJ01 | Rejection of invention patent application after publication |