CN107181156B - The method and electric power connector for preparing the method for electric power connector shell, preparing electric power connector - Google Patents
The method and electric power connector for preparing the method for electric power connector shell, preparing electric power connector Download PDFInfo
- Publication number
- CN107181156B CN107181156B CN201610139449.5A CN201610139449A CN107181156B CN 107181156 B CN107181156 B CN 107181156B CN 201610139449 A CN201610139449 A CN 201610139449A CN 107181156 B CN107181156 B CN 107181156B
- Authority
- CN
- China
- Prior art keywords
- electric power
- power connector
- temperature
- shell
- pbt
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/18—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for contact members
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
- B29K2067/006—PBT, i.e. polybutylene terephthalate
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention discloses the methods for preparing surface labeling type electronic connector shell using polybutylene terephthalate (PBT), feedstock composition comprising polybutylene terephthalate (PBT) and radiation crosslinker is shaped to uncrosslinked shell by becoming mould temperature Shooting Technique including (1) by this method, and (2) are crosslinked the polybutylene terephthalate (PBT) of the uncrosslinked shell using radiation, so that the electric power connector shell be made.The invention also discloses methods and electric power connector that electric power connector is prepared using polybutylene terephthalate (PBT).
Description
Technical field
The present invention relates to electronic products fields, and in particular, to a kind of method for preparing electric power connector shell, a kind of system
The method of standby electric power connector and a kind of electric power connector.
Background technique
One development trend of electronic product especially consumer electronics product is miniaturization, is thinning and economization.Disappear
Expense electron-like connector refers in consumer electronics product, to complete circuit or appliance chamber electronic component interconnected,
Separable linkage interface, including such as USB joint, SIM card inserts, CPU can be provided in electronic system for two subsystems
Socket, internal memory socket etc..Currently, the consumer electronics connector based on surface mounting technology (SMT) has become mainstream.On surface
In mounting technology, assembled usually using Reflow Soldering.
The shell of existing SMT type consumer electronics connector, mainly selects expensive high fluidity polymerizable mesogenic
Object (liquid crystal polymer, LCP) material carries out injection molding production preparation.The reason of selecting LCP is that other are common
It is not able to satisfy miniaturization in the sizing material (such as NYLON and PBT) of electric power connector shell, is thinning and SMT type consumer electronics company
Connecing device needs shell the technique requirement of reflux-resisting welded temperature.The cost of currently used LCP material is about 15 dollars/kilogram.
Other than expensive, LCP material is difficult to dye, and product is based on true qualities and black.
For replacing LCP material with the other materials of low cost, preparation can be subjected to the electric power connector shell of Reflow Soldering
Method, there is needs.
Polybutylene terephthalate (PBT) (polybutylene terephthalate, PBT) is one kind in Shooting Technique
In common material, relative inexpensiveness is also widely used in the manufacture of electric power connector.The price of PBT is about 3-5 dollars/
Kilogram.However, PBT be not particularly suited for surface attaching type it is small/preparation of miniature electronic connector shell.On the one hand, the flowing of PBT
Property is low, well below LCP material.When using common injection moulding process, the low-flow of PBT makes it be difficult to fill narrow mold
Space, to encounter very big difficulty when preparing shell element.On the other hand, the surface mounting technology of electric power connector is usual
Its shell is needed to bear high temperature, for example, shell needs to bear about 260 DEG C of temperature when using infrared (IR) Reflow Soldering.Generally
PBT product it is severely deformed at such temperatures or melting.
In the prior art, the method still without preparing the electric power connector shell of reflowable weldering using PBT.
Becoming mould temperature injection molding technology is a kind of injection molding technology based on dynamic die temperance control strategy, can be according to different process
The characteristics of stage, adjusts mold temperature, to effectively promote the quality of product while not reducing production efficiency.Become mould temperature note
It moulds in technique, for mold, generally there is high temperature temperature and low temperature to be kept to keep temperature.First by the original with mobility
Material injection is in the mold that high temperature keeps temperature.Since mold temperature is higher, raw material keeps sufficient mobility sufficiently to fill out
Mold filling tool.After filling mold, mold temperature is down to low temperature and keeps temperature.Raw material turns cold and solidifies at this time, is shaped to product.
The mold of simple high temperature causes raw material not solidify or solidify very slow, and the mold of simple low temperature leads to the too fast solidification of raw material and generates and infuse
Amount is insufficient.Become mould temperature technique and solves the above problem.The equipment and operating cost for becoming mould temperature Shooting Technique are higher than general injection molding.Cause
This, in general, the technique is chiefly used in preparing ultralong thin walled part or large-scale covering etc., such as the panel of panel TV set, because this
This large-scale thin part of kind filling needs the long period, needs to keep mold high temperature during this period.
Summary of the invention
In order to achieve the purpose that the electric power connector of Reflow Soldering can be subjected to the PBT raw material preparation of low cost, the present invention is mentioned
Following technical scheme is supplied.
[1] a kind of method for preparing electric power connector shell, the described method comprises the following steps:
(1) feedstock composition is shaped to uncrosslinked shell using change mould temperature Shooting Technique, wherein the feedstock composition
Comprising polybutylene terephthalate (PBT) and radiation crosslinker, the high temperature become in mould temperature Shooting Technique keeps temperature to be higher than institute
State the crystallization temperature of feedstock composition；
(2) it is crosslinked the polybutylene terephthalate (PBT) in the uncrosslinked shell using radiation, to be made on surface
Stable electric power connector shell under the operating condition of attachment process.
[2] method of electric power connector shell is prepared according to [1], wherein spoke described in the feedstock composition
Penetrate the 1 weight %-10 weight % that crosslinking agent is the polybutylene terephthalate (PBT).
[3] method of electric power connector shell is prepared according to [1], wherein the radiation crosslinker is three allyls
Base isocyanuric acid ester.
[4] method of electric power connector shell is prepared according to [1], wherein the radiation is electron beam irradiation.
[5] method of electric power connector shell is prepared according to [1], wherein the dosage of the radiation is 100kGy-
500kGy。
[6] method of electric power connector shell is prepared according to [1], wherein the height for becoming mould temperature Shooting Technique
It is 185 DEG C -205 DEG C that temperature, which keeps temperature, and it is 40 DEG C -60 DEG C that low temperature, which keeps temperature,.
[7] method of electric power connector shell is prepared according to [1], wherein the feedstock composition also contains face
Material.
[8] a kind of method for preparing electric power connector, which comprises
The method that electric power connector shell is prepared according to claim [1]-[7] prepares electric power connector shell
Body, and
The electric power connector is prepared by surface mount process using the electric power connector shell.
[9] method that electric power connector is prepared according to [8], wherein the surface mount process be included in 245 DEG C-
Reflow Soldering at a temperature of 270 DEG C.
[10] a kind of electronics by the method preparation for preparing electric power connector according to claim 8 or claim 9 connects
Device.
In the first aspect of the present invention, provides and a kind of prepare electric power connector shell using polybutylene terephthalate (PBT)
The method of body, the described method comprises the following steps: (1) feedstock composition being shaped to uncrosslinked shell using change mould temperature Shooting Technique
Body, wherein the feedstock composition includes polybutylene terephthalate (PBT) and radiation crosslinker, the change mould temperature Shooting Technique
In high temperature keep temperature be higher than the feedstock composition crystallization temperature；(2) made in the uncrosslinked shell using radiation
Polybutylene terephthalate (PBT) crosslinking, electric power connector shell stable under the operating condition of surface mount process is made
Body.
It include: on the one hand, during injection molding using the difficulty that PBT material prepares surface labeling type electronic connector shell
Fluence occurs for the poor fluidity in cold mold insufficient；On the other hand, the PBT shell being molded will in surface mount process
Undergo higher temperature and softening transform.Therefore, pass through normal injection moulding process, it is difficult to prepare surface attaching type by raw material of PBT
Electric power connector or connector shell.The above method of the invention solves these difficulties, thus creatively using low cost
PBT raw material realize the preparation of small/miniature surface-adhered type electric power connector shell.
" shell " as described herein generically refers to the parts of plastics of electric power connector, especially plastic box body part.
The shell of electric power connector is usually with the following functions: insulating to contact chip；It can be with the geometric position of fixed contact piece, to guarantee
It cooperates and the stability of size；Mechanical protection to contact chip and support are provided；Contact chip is environmentally isolated with out；Or they
Combination.
Preferably, radiation crosslinker is that 1 weight %-10 of polybutylene terephthalate (PBT) is heavy in the feedstock composition
Measure %.When within this range, the feedstock composition can be by being normally molded and cross-linking radiation reaches the suitable degree of cross linking.
Lower than this range, then the PBT degree of cross linking is inadequate after irradiating, and the heat resistance raising of shell is unobvious, is not used to surface mount work
Skill.If being higher than this range, excessive small molecule crosslinking agent is easy to be precipitated at high temperature, and in reflow process, surface of shell holds
It is easily formed and is bubbled.
Radiation crosslinker of the present invention is the crosslinking agent for referring to crosslink PBT under radiation effects.It can use
Radiation crosslinker include but is not limited to: Triallyl isocyanurate (TAIC) and trimethylol-propane trimethacrylate
(TMPTMA) etc..Preferably, the radiation crosslinker is TAIC.TAIC is to be solid under room temperature as the advantages of crosslinking agent,
What be can be convenient in injection molding is distributed in PBT, and additive amount is small, is not easy to be precipitated and is not easy self-crosslinking.
It is highly preferred that TAIC is the 1 weight %-10 weight % of PBT.In this proportional region, the feedstock composition can
To obtain optimal performance, the heat resistance of the PBT after crosslinking is greatly improved, and can be used for surface mount work with reflux-resisting welded temperature
Skill, surface of shell is without precipitation, no bubbling.
Available radiation includes but is not limited to: electron beam irradiation, co-60 radiation etc..Preferably, the radiation is electron beam
Radiation.It the advantage is that electron irradiation line concentrates orientation, utilization efficiency is high, does not generate radioactive waste, process safety.
The dosage of radiation need to enable the full cross-linked temperature to be resistant to Reflow Soldering of PBT, guarantee indeformable when shell is heated
Failure.Preferably, radiation dose range 100kGy-500kGy.When within this range, PBT crosslinking degree is moderate, heat resistance
It is improved, shell is enough to bear the temperature of Reflow Soldering and is suitable for surface mount process.Lower than this range, irradiation is insufficient,
The degree of cross linking is inadequate.In irradiation process, for PBT while crosslinking reaction, there is also high molecular degradations.Higher than this dosage model
It encloses, palliating degradation degree is greater than crosslinking degree, and the heat resistance of PBT can decline instead.
When becoming the injection molding of mould temperature, high temperature keeps temperature need to be higher than the crystallization temperature of feedstock composition, to allow material combination
Object keeps lower viscosity, and sufficiently die cavity is filled up in flowing after entering die cavity.To make injected sample shaping and demoulding, die cavity is filled up
Afterwards, mould temperature, shaping and demoulding are reduced.Preferably, it is 185 DEG C -205 DEG C that high temperature, which keeps temperature, and it is 40 DEG C -60 that low temperature, which keeps temperature,
℃。
In order to make the shell after crosslinking with radiation that there is good thermal stability, it is preferable that also contain in the feedstock composition
There is pigment.As long as the pigment does not influence the fundamental property of feedstock composition of the invention.Available pigment includes but not
It is limited to carbon black, titanium dioxide etc..Its amount is generally 0.5 weight %-5 weight % compared with feedstock composition.
In the second aspect of the present invention, a kind of connector prepared using first aspect present invention the method is provided
The method that shell prepares electric power connector by surface mount process, wherein the connector shell is substantially by the poly- of low cost
Mutual-phenenyl two acid bromide two alcohol ester is made.
Because electric power connector shell made from first aspect present invention can be resistant to Reflow Soldering temperature (such as infrared reflow
260 DEG C or so of temperature of weldering), therefore Reflow Soldering can be carried out to it, surface labeling type electronic connector is made.Preferably,
The temperature of Reflow Soldering is 245 ° -270 DEG C.
The method of second aspect through the invention, the present inventor realize with cheap PBT preparation surface patch
Dress type electric power connector.
In the third aspect of the invention, the electric power connector of method preparation according to a second aspect of the present invention is provided.
By applying the feedstock composition comprising PBT material and crosslinking agent, thin-walled connector is realized using mould temperature technique is become
The injection molding of product, and realize that PBT cross-linking reaction can meet the requirement of Reflow Soldering using electron beam irradiation, the present invention realizes
With the PBT material of low cost prepare surface attaching type it is small/miniature electronic connector.Compare the existing work using LCP material
Skill, cost are substantially reduced (even only 1/4), and are suitable for doing the product of thinner walls.Use another of PBT material
Advantage is, since PBT color matching is easy, is suitable for producing the electric power connector of various colors, and the LCP material that prior art uses
It is difficult to dye, substantially based on true qualities and black.
Detailed description of the invention
Fig. 1 is the schematic diagram of the thin-walled electrical connections of injection molding.
Fig. 2 is showing the figure of influence of the Shooting Technique to product.
Fig. 3 be showing whether the figure of influence of the crosslinking with radiation to product.
Fig. 4 be showing whether the figure of influence of the cross-linking radiation to product reflux postwelding flatness.
Specific embodiment
The general preparation method of electric power connector is, the metal sheet (such as contact chip) for playing connection circuit function outside, lead to
It crosses injection molding and forms polymeric shells, then mounting related components again.Due to the needs of miniaturization, the wall thickness of shell is usually very thin.Fig. 1
Show the illustrative example for the electric power connector (SIM card inserts) that a thinnest part wall thickness is 0.1mm.Therefore, if shell
The mobility of material is low, and the material that will lead to flowing, which is not yet filled, completely to be formed the narrow die space of thin-walled and just cooled and solidified,
To be unable to get qualified shell.
The glass transition temperature of PBT material is at 30 DEG C or so, and crystallization temperature is usually as the difference of specific ingredient exists
180-205 DEG C, fusing point is at 225 DEG C or so.In general injection molding, the PBT material of the softening of its fusing point or more will be risen to
It injects in the lower mold of temperature, solidifies it rapidly.When preparing thin wall product, in order to keep its mobility, then need to improve
Mold temperature.Although and the mold temperature improved can make PBT material keep certain mobility, correspondingly also slow down significantly
Production efficiency.
Present inventors have surprisingly discovered that for miniature device electric power connector, if as raw material and made using PBT
Simultaneously cost is substantially reduced with usually change mould temperature injection molding technology, available good product used in large-scale device production.
Although becoming the equipment and a little higher than common injection molding of operating cost of mould temperature Shooting Technique, since the cost of PBT is logical far below at present
The LCP being often used, the cost of raw material reduces so that totle drilling cost substantially reduces, industrially highly beneficial.And utilize change mould temperature
Technique, available thinner wall.
Specifically, become mould temperature injection molding PBT shell to carry out by following steps.(1) by feedstock composition be warming up to 240 DEG C-
260 DEG C of temperature ranges, become viscous state raw material.(2) mold temperature is risen into 185 DEG C of -205 DEG C of temperature ranges.(3) by viscous state
Raw material be molded into mold, during this period, by mold temperature be maintained at high temperature keep temperature, range be 185 DEG C -205 DEG C.
(4) after being molded and completing the i.e. full die space of raw material filling, mold temperature is reduced with the rate of temperature fall of 10 DEG C -100 DEG C/min range
It spends to 40 DEG C of -60 DEG C of temperature ranges.(5) mold is maintained at 40 DEG C of -60 DEG C of low temperature and keeps temperature, so that the raw material in mold is complete
All solidstate.(6) it demoulds and is post-processed.
By above-mentioned change mould temperature technique, so that PBT material has enough mobility to be filled mold during injection molding,
And then reduction mold temperature makes PBT crystallisation solidification.Using mould temperature technique is become, sufficiently thin shell can be prepared, is used for electronics
Connector.
Fig. 2 is by taking SIM card inserts product as an example, it is shown that influence of the Shooting Technique to product.Fig. 2 (a) and (b) are existing skills
Commonly pass through the electric power connector for being commonly molded preparation in art as raw material using LCP.Fig. 2 (a) shows that the prior art can obtain
Wall thickness is the product of 0.2mm, and Fig. 2 (b) is shown when it is desirable that preparing the product of 0.1mm, although LCP material flowability is high,
The problem of apparent fluence deficiency still occurs.As a comparison, a kind of PBT that it is about 195 DEG C with crystallization temperature that Fig. 2 (c), which is shown,
Material is raw material, keeps temperature to carry out becoming obtained product (the target wall thickness of mould temperature injection molding using 180 DEG C of high temperature as mold
0.1mm).Fig. 2 (d) and (e) are to keep temperature become obtained by the injection molding of mould temperature with 195 DEG C of high temperature same PBT material
Product, wall thickness is respectively 0.2mm and 0.1mm.As it can be seen that PBT material is still fast when high temperature keeps temperature to be lower than crystallization temperature
Speed crystallization is not enough to prepare qualified product to be unable to fully filling mold.But when high temperature keeps temperature to be higher than crystallization temperature
When, the extraordinary product of filling can be made, succeed wall thickness is designed down to 0.1mm, and such thin-walled by
LCP material is unable to reach by commonly injection molding.
But, the temperature of the unbearable Reflow Soldering of electric power connector shell only obtained through the above steps, is not suitable for
Such as surface mounting operation.This is because temperature is again above its crystallization temperature when in for example, about 260 DEG C progress Reflow Solderings
Degree, PBT material is by softening transform.
Generally, there is reflow step in surface mount process.It can be infrared reflow weldering, hot air reflux weldering, gas phase
Reflow Soldering etc..It typically results in the temperature that shell is subjected to 245 DEG C -270 DEG C.Directly using shell made of PBT common in injection molding
Body can not be resistant to temperature high in this way.
In response to this problem, in the method for the invention, the present inventor adds in polybutylene terephthalate (PBT)
Add radiation crosslinker, be configured to feedstock composition, wherein the crosslinking agent be radiation crosslinker, and in step (2) at
Semi-finished product after type carry out crosslinking with radiation, to make the heat resistance of case material greatly improve, under the operating temperature of Reflow Soldering
It keeps stablizing.In this way the step of so that PBT material on the one hand can under the opposite injection temperature in lower temperature energy
Softening injection molding is enough carried out, on the other hand can be subjected to higher than the Reflow Soldering temperature of injection temperature when carrying out such as surface mount again
Without deformed damaged, to successfully solve the electricity for being appropriate for Reflow Soldering using the PBT material manufacture of relative low price
Sub-connector shell is especially small-sized/thin-walled electric power connector shell the problem of.
Fig. 3 shows the influence of crosslinking with radiation.Fig. 3 (a) and (b) are to have to pass through with non-crosslinked by becoming mould respectively
The electric power connector of the PBT electric power connector shell of temperature injection molding, their differences in appearance are little.Fig. 3 (c) and (d) be (a) and
(b) appearance of the electric power connector after carrying out infrared reflow weldering.As it can be seen that the electric power connector shell of crosslinking without radiation without
Method is subjected to Reflow Soldering and deformation failure.But it can be subjected to Reflow Soldering by the electric power connector shell of crosslinking with radiation, therefore also fitted
It closes and uses surface mounting technology.
Another benefit using PBT material is good coloring.Since PBT color matching is easy, it is suitable for producing various
The electric power connector shell of color, and the LCP material that prior art uses is difficult to dye, substantially based on true qualities and black.
In short, although the method for preparing electrical connections shell of the invention and required equipment are than conventional LCP injection moulding
It is slightly complicated, but since the cost of primary raw material PBT is far below LCP material (about 1/5-1/3), it is big in totle drilling cost
It is big to reduce, it can be down to 1/4 of totle drilling cost when using LCP.In addition, become mould temperature technique can manufacture it is thinner than conventional LCP shell
Shell.Moreover, the color of PBT product more horn of plenty.
After electric power connector shell of the invention has been made, electronics can further be made by surface mount process and connect
Connect device.The general flow of surface mount process successively includes dispensing, attachment, Reflow Soldering, cleaning.The technique is this field
Well known to technical staff.Due to the crosslinked rear tolerable Reflow Soldering temperature of PBT shell of the invention, table can be carried out to it
Face attachment process.
The present invention is to successfully be made the surface labeling type electronic connector that case material is substantially PBT.With LCP shell
The product of body is compared, and shell cost of the invention is much lower.Therefore, the cost of final products is greatly reduced.
Illustrate the present invention by the following examples.
The preparation of 1 SIM card inserts of embodiment
5 weight % radiation crosslinker TAIC are added in polybutylene terephthalate (PBT) plastic pellet, after mixing,
It is made into raw material constituent, and extruding pelletization.Using injection molding machine injection molding, 260 DEG C of barrel temperature, increases mold temperature and arrive
195 DEG C, 80MPa injection pressure, pressure maintaining 5s waits material full of after die cavity, mould temperature is quickly down to 50 DEG C, PBT, that is, plastic, at this time
The SIM card inserts of wall thickness only 0.1mm can be obtained in demoulding.Using the electron beam irradiation SIM card inserts, irradiation dose is
500kGy.Product after irradiation, by the process flow that 260 DEG C of high temperature refluxes weld, surface has no melting, no bubbling, product ruler
Very little and flatness meets the requirements.
Flatness is evaluated after 2 Reflow Soldering of embodiment
Four SIM card inserts are prepared in the same manner as example 1, the difference is that irradiation dose is respectively
114kGy, 182kGy, 419kGy and without cross-linking radiation.Measure flatness of each sample before and after Reflow Soldering.Fig. 4 is shown
Measurement result.It can be seen from figure 4 that uncrosslinked sample flatness after Reflow Soldering substantially reduces, and pass through cross-linking radiation
Sample flatness after Reflow Soldering reduces very little, meets industrial requirement.
Claims (10)
1. a kind of method for preparing electric power connector shell, the described method comprises the following steps:
(1) feedstock composition is shaped to uncrosslinked shell using change mould temperature Shooting Technique, wherein the feedstock composition includes
Polybutylene terephthalate (PBT) and radiation crosslinker, the high temperature become in mould temperature Shooting Technique keep temperature to be higher than the original
The crystallization temperature of feed composition；
(2) it is crosslinked the polybutylene terephthalate (PBT) in the uncrosslinked shell using radiation, to be made in surface mount
Stable electric power connector shell under the operating condition of technique.
2. the method according to claim 1 for preparing electric power connector shell, wherein spoke described in the feedstock composition
Penetrate the 1 weight %-10 weight % that crosslinking agent is the polybutylene terephthalate (PBT).
3. the method according to claim 1 for preparing electric power connector shell, wherein the radiation crosslinker is three allyls
Base isocyanuric acid ester.
4. the method according to claim 1 for preparing electric power connector shell, wherein the radiation is electron beam irradiation.
5. the method according to claim 1 for preparing electric power connector shell, wherein the dosage of the radiation is
100kGy-500kGy。
6. the method according to claim 1 for preparing electric power connector shell, wherein the height for becoming mould temperature Shooting Technique
It is 185 DEG C -205 DEG C that temperature, which keeps temperature, and it is 40 DEG C -60 DEG C that low temperature, which keeps temperature,.
7. the method according to claim 1 for preparing electric power connector shell, wherein the feedstock composition also contains face
Material.
8. a kind of method for preparing electric power connector, which comprises
According to claim 1, the method that electric power connector shell is prepared described in -7 prepare electric power connector shell, and
The electric power connector is prepared by surface mount process using the electric power connector shell.
9. the method according to claim 8 for preparing electric power connector, wherein the surface mount process is included in 245
Reflow Soldering at a temperature of DEG C -270 DEG C.
10. a kind of electric power connector by the method preparation for preparing electric power connector according to claim 8 or claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610139449.5A CN107181156B (en) | 2016-03-11 | 2016-03-11 | The method and electric power connector for preparing the method for electric power connector shell, preparing electric power connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610139449.5A CN107181156B (en) | 2016-03-11 | 2016-03-11 | The method and electric power connector for preparing the method for electric power connector shell, preparing electric power connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107181156A CN107181156A (en) | 2017-09-19 |
| CN107181156B true CN107181156B (en) | 2019-08-16 |
Family
ID=59829890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610139449.5A Active CN107181156B (en) | 2016-03-11 | 2016-03-11 | The method and electric power connector for preparing the method for electric power connector shell, preparing electric power connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107181156B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100688810B1 (en) * | 1999-05-26 | 2007-02-28 | 스미토모덴코파인폴리머 가부시키가이샤 | Heat-resistant engineering plastic resin composition and molded article obtained therefrom |
| JP4120776B2 (en) * | 2001-07-09 | 2008-07-16 | ソニー株式会社 | Biodegradable plastic material, biodegradable plastic molding, and method for producing the biodegradable plastic molding |
| CN202922854U (en) * | 2012-09-13 | 2013-05-08 | 格林精密部件（惠州）有限公司 | Highlight traceless injection part moulding system |
-
2016
- 2016-03-11 CN CN201610139449.5A patent/CN107181156B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107181156A (en) | 2017-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105566902A (en) | Preparation method of nylon powder for selective laser sintering | |
| CN105773907B (en) | A kind of joints of optical fibre electronic tag plug and its injection moulding process | |
| CN104610762A (en) | Filled low-temperature modulation wax for precision casting and preparation method thereof | |
| CN107181156B (en) | The method and electric power connector for preparing the method for electric power connector shell, preparing electric power connector | |
| CN212936368U (en) | Shell with heat dissipation function | |
| CN104497542A (en) | Preparation process of power capacitor shell | |
| CN104140647B (en) | A kind of conduction pbt material | |
| CN106738608A (en) | Mould the preparation technology and the light fixture using the radiating piece of bag hardware radiating piece | |
| CN105365148A (en) | Manufacturing process of car lamp reflector | |
| CN202639579U (en) | Integrated temperature-controlled electric soldering iron | |
| CN106065171A (en) | A kind of high durable PC ASA alloy material and preparation method thereof | |
| CN205123857U (en) | Vehicle -mounted camera | |
| CN110240793A (en) | A kind of environment-friendly type IMD operation panel and its in-mould injection moulding integrated process | |
| JP2003003074A (en) | Silica-containing resin composition and its precision molding | |
| CN111454679B (en) | LED (light-emitting diode) mould pressing packaging adhesive and using method thereof | |
| CN210670257U (en) | Vehicle-mounted camera and shell injection mold thereof | |
| CN104140646B (en) | The anti-oxidant pbt material of a kind of Halogen | |
| CN107390412B (en) | Integrated rubber-iron frame with good flatness after molding and manufacturing method thereof | |
| CN106003668A (en) | Preparation method of silica gel vibrating diaphragm and silica gel vibrating diaphragm | |
| CN105647133A (en) | Carbon fiber modified PBT (polybutylene terephthalate) composite material and preparation method thereof | |
| CN100406228C (en) | Fossula type cam canister production method | |
| CN103660128B (en) | LED integrated forming technique | |
| CN102729437B (en) | Injection molding piece panel forming method and air conditioner display device | |
| CN107599293A (en) | Backlight glue frame iron case integrated forming technique | |
| CN109777079B (en) | Modified polyphenyl ether alloy material and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |