CN203004200U - Injection molding member - Google Patents
Injection molding member Download PDFInfo
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- CN203004200U CN203004200U CN 201220487251 CN201220487251U CN203004200U CN 203004200 U CN203004200 U CN 203004200U CN 201220487251 CN201220487251 CN 201220487251 CN 201220487251 U CN201220487251 U CN 201220487251U CN 203004200 U CN203004200 U CN 203004200U
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- injection
- glass fibers
- ejection formation
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Abstract
An injection molding member comprises an injection mold with a mold cavity and an injection port, and an injection-molded body which is disposed in the mold cavity of the injection mold, is injected out by the injection port, and comprises mutually-mixed aromatic polycarbonate, special-shaped glass fibers, a fire retardant and a functional additive, wherein the special-shaped glass fibers are glass fibers (flat glass fibers) with a high special shape ratio. Therefore, the injection-molded body adopts the aromatic polycarbonate and the special-shaped glass fibers as main raw materials; the formed blended material with a low glass fiber ratio (20-35%) has a high melt index value, high fluidity of more than 30 g/10 min, and a high flexural modulus of more than 6 GPa; the formed blended material with a high glass fiber ratio (40-50%) has good properties, such as a high melt index (MI) value, high fluidity of more than 50 g/10 min, and a high flexural modulus of more than 11 GPa, is applicable to thin flat plate injection molding processing; and finished products injected by the injection mold can reach the effects of reduced floating fibers, low warpage, and high rigidity quality.
Description
Technical field
the utility model is relevant for a kind of ejection formation member, espespecially a kind of ejection formation body that makes is with aromatic copolycarbonate (Polycarbonate, PC) with special-shaped glass fiber (Profiled Glass Fiber, PGF) as main material, formed mixing joined material (40～50%GF) had high melt index (Melt Index when containing high glass ratio, MI) value〉50g/10min(5kg/260 ℃) high fluidity, and the superperformances such as high bending modulus (Flexural Modulus) of 11GPa, use applicable to the processing of thin flat ejection formation, and after being penetrated by jetting mold, finished product reaches the effect that is minimized floating fibre and has low warpage properties and high rigid mass.
Background technology
In recent years mobile phone, carry game machine, personal digital assistant (Personal Digital Assistant, PDA), the machine integral body of tablet PC (Tablet), little pen electricity (NetBook) and ultra-thin pen electricity electronic equipments such as (UltraBook) is more and more higher to slim light-weighted requirement, in order to respond this requirement, utilize the electronic equipment external member of ejection formation manufacturing or inner member must possess slimming and high rigidity.In order to reach the thin type of this electronic equipment external member or inner member, when Jet forming machine carries out ejection formation, when realizing high ejaculation pressure or issuing velocity and hanging down the mould temperature, the lasting requirement of pursuing high rigidity, shaping thin wall and the dimensional stability of moulding material.
Aromatic copolycarbonate has the characteristics such as excellent heat resistance and resistance to impact, therefore be widely used into, inner member or the external member material of the 3C Product such as desktop PC and mobile computer and the transaction machines such as printer, duplicator and facsimile machine.
The relevant formed article shaped of aromatic copolycarbonate in recent years, particularly little pen electricity or the electric use of frivolous pen, the strong request slimming for lightweight.But little pen electricity or frivolous electricity of slimming tend to because external stress is out of shape, or because of the weight of inner body yielding, therefore aromatic copolycarbonate is required high rigidity and dimensional stability.
For rigidity and the dimensional stability of improveing aromatic copolycarbonate, once tried out strengthening material and packing material add the inorganic compounds such as glass fibre, carbon fiber, talcum powder, mica and calcium silicates in Merlon method.
aromatic copolycarbonate or aromatic copolycarbonate/acronitrile-butadiene-styrene (Acrylonitrile Butadiene Styrene, ABS) the noncrystalline rubber alloy such as copolymer is mixed and is joined resin, though have high dimensional stability or high tenacity, but because mobility is low, if add the fibrous reinforcing material of the ratio of width to height (Aspect Ratio), the further reduction of mobility meeting and mouldability can worsen more, therefore think that always the filling limit of fibrous reinforcing material is about 20wt%, reach the high rigidization of having of products formed with the noncrystalline resin, the slimming characteristic of low floating fibre and low warpage properties will be difficult to coexist.Therefore, generally the user can't to meet the user required when reality is used.
The utility model content
The utility model main purpose is, overcome the problems referred to above that known existing thin-walled ejection formation skill meets with and provide a kind of thin-walled ejection formation body that makes to join material with aromatic copolycarbonate and special-shaped glass as mixing of main material, making to contain mixing of low glass ratio (20～35%) and join material and have high melt index (1.2kg/300 ℃) value〉high fluidity of 30g/10min and the high bending modulus of 6GPa; Separately containing mixing of high glass ratio (40～50%) joins material and has high melt index (5kg/260 ℃) value〉high fluidity of 50g/10min and the superperformances such as high bending modulus of 11GPa, process applicable to the thin flat ejection formation and use, and after being penetrated by jetting mold, finished product reaches the effect that is minimized floating fibre and has low warpage properties and high rigid mass.
To achieve these objectives, a kind of ejection formation member of the utility model comprises:
One jetting mold includes a die cavity and an exit wound of bullet that communicates with this die cavity; And
One ejection formation body is located in the die cavity of this jetting mold and by this exit wound of bullet and is penetrated, and wherein, the bending modulus of this ejection formation body is more than 11GPa, and melt index is more than 50g/10min.
In the utility model above-described embodiment, this jetting mold includes a master mold and a male model, and this master mold is relative to this male model rear this die cavity of formation.
In the utility model above-described embodiment, this ejection formation body includes aromatic copolycarbonate, special-shaped glass fiber, fireproof agent and the functional additive of mutual mixing, and this special-shaped glass fiber is special-shaped glass, and the addition of this aromatic copolycarbonate is that the addition of 30～50wt%, this special-shaped glass fiber is that the addition of 20～50wt%, this fireproof agent is that the addition of 9～15wt% and this functional additive is 1～9wt%.
In the utility model above-described embodiment, this aromatic copolycarbonate is thermoplastic resin, and it also can be selected from the composition of the two compositions of aromatic copolycarbonate/acronitrile-butadiene-styrene (Acrylonitrile Butadiene Styrene, ABS).
In the utility model above-described embodiment, this special-shaped glass fiber, its abnormity is than between 1.5～6, its the ratio of width to height (Aspect Ratio) also can be the packing material of above special-shaped glass fiber and low draw ratio such as glass dust, calcium silicates, calcium carbonate, how rice clay, how rice silicon chip, talcous at least a composition between 15～300.
In the utility model above-described embodiment, this fireproof agent is that phosphorus is fireproof agent, optional organic compound from organic phosphoric acid ester or phosphorous-nitrogen bond, suc as formula the aromatic phosphoric ester class of (GO) 3P=O, wherein each G independent system alkyl, cycloalkyl, aryl, alkaryl or aralkyl.Both can linking together so that cyclic group to be provided of G group, for example diphosphonic acid diphenyl pentaerythritol.in addition, other aromatic phosphate acid ester class that is fit to can be two (dodecyl) esters of phosphorus phenyl, two (neopentyl) esters of phosphoric acid phenyl, phosphoric acid phenyl two (3, 5, 5 '-trimethyl hexyl) ester, phosphoric acid ethyl diphenyl ester, phosphoric acid 2-ethylhexyl two-(p-methylphenyl) ester, phosphoric acid two (2-ethylhexyl) is to the toluene ester, tricresyl phosphate, two (2-ethylhexyl) phenyl esters of phosphoric acid, tricresyl phosphate (nonyl phenyl) ester, phosphoric acid two (dodecyl) is to the toluene ester, di(2-ethylhexyl)phosphate butyl phenyl ester, phosphoric acid 2-chloroethyl diphenyl ester, phosphoric acid p-methylphenyl two (2, 5, 5 '-trimethyl hexyl) ester, phosphoric acid 2-chloroethyl hexyl diphenyl ester and fellow.
In the utility model above-described embodiment, this fireproof agent also can be inorganic combustion inhibitor, can be selected from the sulphonic acids of potassium perfluorobutane sulfonate (Potassium Nonafluoro-1-butane-sulfonate or title Rimar salt) or diphenyl sulfone acid potassium.
in the utility model above-described embodiment, this functional additive can comprise and is selected from the siloxanes coupling agent, PET (Polyethylene Terephthalate, PET), acrylonitrile styrene (Acrylonitrile Styrene, AS), acrylonitrile-EPDM rubber-styrene copolymer (Acrylonitrile Ethylenepropylene Styrene, AES), styrene-acrylonitrile silica gel (Styrene Acrylonitrile Silicone, SAS), acrylonitrile styrene acryl (Acrylonitrile Styrene Acrylate, ASA), Kynoar (Polyvinylidene Fluoride or Polyvinylidene Difluoride, PVDF), and polytetrafluoroethylene (PTFE) (Polytetrafluoroethylene, PTFE) at least a composition, system contains hydroxy in this siloxanes coupling agent wherein, epoxy radicals, carboxylic acid group and amino different functional groups.
In the utility model above-described embodiment, this ejection formation body can further comprise a dispersing aid, and it is for comprising aliphatic cured or phosphorus-containing compound, and can be selected from the organic phosphorus compound of phosphate compound, bi-ester of phosphite or phosphinate compound.
Description of drawings
Fig. 1 is the utility model schematic appearance.
Fig. 2 is the utility model decomposing state schematic diagram.
Fig. 3 is that the utility model uses view.
Label declaration:
Jetting mold 1;
Exit wound of bullet 101;
Master mold 11;
Die cavity 12;
Aromatic copolycarbonate 21;
Special-shaped glass fiber 22;
Fireproof agent 23;
Functional additive 24.
The specific embodiment
See also Fig. 1～shown in Figure 3, be respectively the utility model schematic appearance, the utility model decomposing state schematic diagram and the utility model and use view.As shown in the figure: the utility model is a kind of ejection formation member, and it includes at least a jetting mold 1 and an ejection formation body 2 consists of.
The above-mentioned jetting mold of carrying 1 includes a male model 10 and a master mold 11, and this master mold 11 is relative to this male model 10 rear formation one die cavity 12, and this male model 10 has an exit wound of bullet 101 that communicates with this die cavity 12.The aspect of the jetting mold 1 shown in the utility model is only an example, and the form of this male model 10, master mold 11 is not limited to form described in the utility model.
this ejection formation body 2 is located in the die cavity 12 of this jetting mold 1 and is penetrated by this exit wound of bullet 101, it includes the aromatic copolycarbonate (Polycarbonate of mutual mixing, PC) 21, special-shaped glass fiber (Profiled Glass Fiber, PGF) 22, fireproof agent 23 and functional additive 24 form mixes batching, when this mixes special-shaped glass fiber 22 content in batching between 20～35% the time, under the test condition of 1.2kg/300 ℃, the melt index of this ejection formation body 2 (Melt Index, MI) more than 30g/10min, and its bending modulus (Flexural Modulus) is more than 6GPa, mix special-shaped glass fiber 22 content in batching between 40～50% the time when this, under the test condition of 5kg/260 ℃, the melt index of this ejection formation body 2 is more than 50g/10min, and its bending modulus is more than 11GPa.Wherein, this special-shaped glass fiber be high abnormity than glass (flat glass), and the addition of this aromatic copolycarbonate 21 is that the addition of 30～50wt%, this special-shaped glass fiber 22 is that the addition of 20～50wt%, this fireproof agent 23 is that the addition of 9～15wt% and this functional additive 24 is 1～9wt%.In this way, consist of a brand-new ejection formation member by said apparatus.
Above-mentioned aromatic copolycarbonate 21 is thermoplastic resin, and it also can be selected from the composition of the two compositions of aromatic copolycarbonate/acronitrile-butadiene-styrene (Acrylonitrile Butadiene Styrene, ABS).
Above-mentioned special-shaped glass fiber 22, its abnormity is than between 1.5～6, its the ratio of width to height (Aspect Ratio) also can be the underfill material of above special-shaped glass fiber and low draw ratio such as glass dust, calcium silicates, calcium carbonate, how rice clay, how rice silicon chip, talcous at least a composition between 15～300.
Above-mentioned fireproof agent 23 is fireproof agent for phosphorus, optional organic compound from organic phosphoric acid ester and/or phosphorous-nitrogen bond, and suc as formula the aromatic phosphoric ester class of (GO) 3P=O, wherein each G independent system alkyl, cycloalkyl, aryl, alkaryl or aralkyl.Both can linking together so that cyclic group to be provided of G group, for example diphosphonic acid diphenyl pentaerythritol.in addition, other aromatic phosphate acid ester class that is fit to can be two (dodecyl) esters of phosphorus phenyl, two (neopentyl) esters of phosphoric acid phenyl, phosphoric acid phenyl two (3, 5, 5 '-trimethyl hexyl) ester, phosphoric acid ethyl diphenyl ester, phosphoric acid 2-ethylhexyl two-(p-methylphenyl) ester, phosphoric acid two (2-ethylhexyl) is to the toluene ester, tricresyl phosphate, two (2-ethylhexyl) phenyl esters of phosphoric acid, tricresyl phosphate (nonyl phenyl) ester, phosphoric acid two (dodecyl) is to the toluene ester, di(2-ethylhexyl)phosphate butyl phenyl ester, phosphoric acid 2-chloroethyl diphenyl ester, phosphoric acid p-methylphenyl two (2, 5, 5 '-trimethyl hexyl) ester, phosphoric acid 2-chloroethyl hexyl diphenyl ester and fellow.
Above-mentioned fireproof agent 23 also can be inorganic combustion inhibitor, can be selected from the sulphonic acids of potassium perfluorobutane sulfonate (Potassium Nonafluoro-1-butane-sulfonate or title Rimar salt) and diphenyl sulfone acid potassium.
above-mentioned functions additive 24 can comprise and is selected from the siloxanes coupling agent, PET (Polyethylene Terephthalate, PET), acrylonitrile styrene (Acrylonitrile Styrene, AS), acrylonitrile-EPDM rubber-styrene copolymer (Acrylonitrile Ethylenepropylene Styrene, AES), styrene-acrylonitrile silica gel (Styrene Acrylonitrile Silicone, SAS), acrylonitrile styrene acryl (Acrylonitrile Styrene Acrylate, ASA), Kynoar (Polyvinylidene Fluoride or Poly-vinylidene Difluoride, PVDF), and polytetrafluoroethylene (PTFE) (Polytetrafluoroethylene, PTFE) at least one composition, contain hydroxy in this siloxanes coupling agent wherein, epoxy radicals, carboxylic acid group and amino different functional groups.
In the utility model above-described embodiment, this ejection formation body can further comprise a dispersing aid, and it is for comprising aliphatic cured or phosphorus-containing compound, and can be selected from the organic phosphorus compound of phosphate compound, bi-ester of phosphite and phosphinate compound.
The utility model is in a preferred embodiment, above-mentioned ejection formation body 2 comprises special-shaped glass fiber 22 take the aromatic copolycarbonate 21 of 38wt% and 45wt% as main material, be aided with the fireproof agent 23 of 12wt% and the functional additive 24 of 5wt% and be auxiliary material, mix via general process conditions.When using, after this male model 10 forms this die cavity 12 with these master mold 11 matched moulds, from the injection of exerting pressure of this exit wound of bullet 101, make this ejection formation body 2 be shaped into the aspect that this die cavity 12 is moulded, with taking out products formed after die sinking the aforementioned ejection formation body 2 that mixes.by this, make products formed see through aromatic copolycarbonate 21 in this ejection formation body 2, special-shaped glass fiber 22, fireproof agent 23 and functional additive 24 are minimized floating fibre and have the quality of low warpage properties and high rigidity, and because the special-shaped glass fiber 22 in this ejection formation body 2 is that high abnormity is than the material of glass (flat glass), has the high abnormity ratio between 1.5～6, and the ratio of width to height between 15～300, show after deliberation its good uniformity and have low warpage properties and the more high superperformance of rigidity, therefore, the utility model is with aromatic copolycarbonate and special-shaped glass ejection formation body 2 main materials as the ejection formation member, can make ejection formation body 2, when it mixes special-shaped glass fiber 22 content of joining in material between 20～35% the time, under the test condition of 1.2kg/300 ℃, the melt index of this ejection formation body 2 (Melt Index, MI) more than 30g/10min, and its bending modulus (Flexural Modulus) is more than 6GPa, also or when it mix special-shaped glass fiber 22 content of joining in material between 40～50% the time, under the test condition of 5kg/260 ℃, the melt index of this ejection formation body 2 is more than 50g/10min, and its bending modulus is more than 11GPa, and then uses applicable to the processing of thin-walled ejection formation.
In sum, the utility model is a kind of ejection formation member, can effectively improve the various shortcoming of use, can make the ejection formation body with aromatic copolycarbonate and special-shaped glass as main material, formed mixing joined material have high melt index (Melt Index, MI) value when being contained low glass ratio (20～35%)〉high fluidity of 30g/10min and the high bending modulus (Flexural Modulus) of 6GPa; When separately containing high glass ratio, (40～50%) have high MI value〉high fluidity of 50g/10min and the superperformances such as high bending modulus of 11GPa, use applicable to the processing of thin flat ejection formation, and after being penetrated by jetting mold, finished product reaches the effect that is minimized floating fibre and has low warpage properties and high rigid mass, and then make generation of the present utility model can more progressive, more practical, more meet user's palpus, really met new patent application important document, the whence proposes patent application in accordance with the law.
Claims (2)
1. ejection formation member is characterized in that comprising:
One jetting mold includes a die cavity and an exit wound of bullet that communicates with this die cavity; And
One ejection formation body is located in the die cavity of this jetting mold and by this exit wound of bullet and is penetrated, and the bending modulus of this ejection formation body is more than 11GPa, and melt index is more than 50g/10min.
2. ejection formation member according to claim 1, is characterized in that, this jetting mold includes a master mold and a male model, and this master mold is relative to this male model rear this die cavity of formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220487251 CN203004200U (en) | 2012-09-24 | 2012-09-24 | Injection molding member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220487251 CN203004200U (en) | 2012-09-24 | 2012-09-24 | Injection molding member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203004200U true CN203004200U (en) | 2013-06-19 |
Family
ID=48595830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220487251 Expired - Fee Related CN203004200U (en) | 2012-09-24 | 2012-09-24 | Injection molding member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203004200U (en) |
-
2012
- 2012-09-24 CN CN 201220487251 patent/CN203004200U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JINDE PLASTIC SCIENCE + TECHNOLOGY (DONGGUAN) CO., Free format text: FORMER OWNER: GINAR TECHNOLOGY CO., LTD. Effective date: 20140805 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: TAIWAN, CHINA TO: 523000 DONGGUAN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140805 Address after: 523000 Guangdong city of Dongguan province Tangxia Zhen Jiao Tang Cun Xiang Wang Industrial Zone B Patentee after: Shanxi moral plastics science and technology (Dongguan) company limited Address before: Nangang village Chinese Park Taiwan Taoyuan County township at shitsugan No. 29-45 Patentee before: Ginar Technology Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160708 Address after: 223001 west of Nanchang Road, Qianjiang Road, Huaiyin District, Jiangsu, Huaian Patentee after: JIANGSU JINLUN PLASTIC TECHNOLOGY CO., LTD. Address before: 523000 Guangdong city of Dongguan province Tangxia Zhen Jiao Tang Cun Xiang Wang Industrial Zone B Patentee before: Shanxi moral plastics science and technology (Dongguan) company limited |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20200924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |