CN102516735B - Low-internal-stress electroplating PC/ABS alloy material and preparation method thereof - Google Patents
Low-internal-stress electroplating PC/ABS alloy material and preparation method thereof Download PDFInfo
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- CN102516735B CN102516735B CN2011104076970A CN201110407697A CN102516735B CN 102516735 B CN102516735 B CN 102516735B CN 2011104076970 A CN2011104076970 A CN 2011104076970A CN 201110407697 A CN201110407697 A CN 201110407697A CN 102516735 B CN102516735 B CN 102516735B
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a low-internal-stress electroplating PC/ABS alloy material and a preparation method thereof. The PC/ABS alloy material comprises components of, by weight: 30-80 parts of PC resin, 15-65 parts of ABS resin, 1-5 parts of PA resin, 0.1-1 part of an antioxidant, and 0.1-1 part of a lubricating agent. The preparation method of the alloy comprises the steps that: (a) PC resin, ABS resin, PA resin, the antioxidant, and the lubricating agent are mixed in a mixing and stirring machine; (b) a mixture obtained in the step a is blended and granulated by using a double-screw extruder, such that the low-internal-stress electroplating PC/ABS alloy material is obtained. The method is simple and feasible. With the PA resin, the PC/ABS alloy material is provided with better fluidity. During an injection molding procedure, the internal stress formed on a product is low. When the product is used in electroplating post processing, possibilities of reduced bonding forces between a plastic substrate and a plated layer or plated layer bursting caused by released internal stress are reduced. Therefore, electroplating effect of the PC/ABS alloy material is improved.
Description
Technical field
The invention belongs to polymer blended, Polymer Processing field, be specifically related to a kind of low internal stress and electroplate PC/ABS alloy material and preparation method thereof.
Background technology
As a kind of common material processing means, the plating of carrying out take plastics as base material has been widely used in the industries such as automobile, household electrical appliances, daily necessities and indoor and outdoor art work.The plating of plastics not only technique is comparatively complicated, and to the having relatively high expectations of plastic basis material, the composition of plastic basis material and performance have a great impact electroplating performance, and wherein the internal stress of plastic basis material is exactly impact to be electroplated an important factor of processing.
As everyone knows, plastic part can produce certain internal stress in injection molding process.If the internal stress of plastic part is excessive, when being used for electroplating post-treatment, its internal stress can cause plastic basis material and binding force of cladding material to descend or coating collapses skin, reduces the electroplating effect of plastic basis material.Therefore, the internal stress that the reduction plastic part produces in injection molding process will effectively be improved the electroplating effect of plastic basis material, and the processing fluidity of raising material itself is exactly a kind of effective way that reduces the product internal stress.
Summary of the invention
The object of the present invention is to provide a kind of low internal stress to electroplate the PC/ABS alloy material, low internal stress of the present invention electroplate the PC/ABS alloy material have internal stress low, electroplate the high characteristics of bonding force.Another object of the present invention is to provide the preparation method of this alloy material.
The present invention realizes by following technical scheme, and low internal stress of the present invention is electroplated the PC/ABS alloy material and comprised the component with following weight part:
30～80 parts of PC (polycarbonate) resins,
15～65 parts of ABS (acrylonitrile-butadiene-styrene copolymer) resins,
1～5 part of PA (polymeric amide) resin,
0.1～1 part, oxidation inhibitor,
0.1～1 part of lubricant.
Preferably, the relative molecular weight of described PC resin is 17000～30000g/mol, and its second-order transition temperature is 140～150 ℃.
Preferably, described ABS resin is the graft copolymer that acrylonitrile-butadiene-styrene (ABS) forms, its relative molecular weight is 100000～180000g/mol, wherein the divinyl weight percent content is 10～55%, the vinyl cyanide weight percent content is 15～32%, and the vinylbenzene weight percent content is 30～70%.
Preferably, described PA resin is one or both the combination in PA6 and PA66, and its intrinsic viscosity is 1.7～3.5.
Preferably, described oxidation inhibitor is two [β-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl) propionic ester], four [β-(3 of Triethylene glycol, 5-di-t-butyl 4-hydroxy phenyl) propionic acid] one or more mixing in pentaerythritol ester, three (2,4-di-tert-butyl-phenyl) phosphorous acid ester, two stearyl alcohol pentaerythritol diphosphites.
Preferably, described lubricant is silane polymer, solid paraffin, whiteruss, soap, fatty acid amide, calcium stearate, Zinic stearas, stearic amide, methylene bis stearic amide and N, the mixing of one or more in the N-ethylene bis stearic acid amide.
Second aspect the invention still further relates to the method that aforementioned low internal stress is electroplated the PC/ABS alloy material, comprises the steps:
(a) PC resin, ABS resin, PA resin, oxidation inhibitor and lubricant are added in mixing and blending machine mix;
(b) step a gained mixture is passed through twin screw extruder blend granulation, obtain low internal stress and electroplate the PC/ABS alloy particle.
Preferably, the barrel zone temperature of described forcing machine is 200～260 ℃, and screw speed is 200～600rpm.
Compared with prior art, the beneficial effect that the present invention has is: method of the present invention is simple, existence due to PA, make the PC/ABS alloy material have better mobility, the internal stress that product forms in injection molding process is lower, reduced because internal stresses release causes plastic substrate and binding force of cladding material decline or coating and collapsed the possibility of skin, thereby improved the electroplating effect of PC/ABS alloy material.
Embodiment
The present invention is described in detail below in conjunction with specific embodiment.Following examples will help those skilled in the art further to understand the present invention, but not limit in any form the present invention.Should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
In embodiment 1～4 and Comparative Examples 1, the PC resin is selected the PC201-22 of Korea S LG-DOW; ABS resin is selected the ABS8434 of Shanghai Gaoqiao petrochemical industry; The PA resin is selected the PA61010C2 of Mitsubishi; Oxidation inhibitor is Irganox 1076 and the Irganox 168 of Ciba company, and its weight ratio is 1: 1; Lubricant is commercially available tetramethylolmethane stearic acid.
In embodiment 1～4 and Comparative Examples 1, each component and content see Table 1:
Each component of table 1 and content
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative Examples 1 | |
| PC | 50 | 60 | 45 | 45 | 45 |
| ABS | 49 | 37 | 51 | 50 | 55 |
| PA6 | 1 | 3 | 4 | 5 | - |
| Oxidation inhibitor | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Lubricant | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
The preparation method is as follows:
(a) at first will mix in PC resin, ABS resin, PA resin, oxidation inhibitor and mix lubricant stirrer;
(b) then mixture is passed through twin screw extruder blend granulation, make low-stress and electroplate the PC/ABS alloy particle, the barrel zone temperature of forcing machine is 200～260 ℃, and screw speed is 200～600rpm.
Embodiment 5, implementation result
The low internal stress of above embodiment 1～4 and Comparative Examples 1 preparation is electroplated the PC/ABS alloy material as follows for the performance of automobile inside door handle product:
Table 1 embodiment 1～4 and Comparative Examples 1 product test result
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative Examples 1 | |
| Electroplate bonding force (N/cm) | 4.9 | 6.2 | 6.8 | 5.9 | 4.7 |
| Electroplate qualification rate (%) | 89 | 93 | 94 | 90 | 89 |
Embodiment 6
A, get the raw materials ready by following component and weight part:
80 parts of PC resins,
15 parts of ABS resin,
5 parts of PA resins,
0.5 part, oxidation inhibitor,
0.5 part of lubricant.
B, at first will mix in PC resin, ABS resin, PA resin, oxidation inhibitor and mix lubricant stirrer;
C, then with mixture by twin screw extruder blend granulation, make low-stress and electroplate the PC/ABS alloy particle, the barrel zone temperature of forcing machine is 200～260 ℃, screw speed is 200～600rpm.
The relative molecular weight of described PC resin is 17000g/mol, and its second-order transition temperature is 140 ℃;
Described ABS resin is the graft copolymer that acrylonitrile-butadiene-styrene (ABS) forms, its relative molecular weight is 100000g/mol, wherein the divinyl weight percent content is 55%, and the vinyl cyanide weight percent content is 15%, and the vinylbenzene weight percent content is 30%;
Described PA resin is PA6 and PA66, and its intrinsic viscosity is 1.7;
Described oxidation inhibitor is Triethylene glycol two [β-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl) propionic ester];
Described lubricant is N, the N-ethylene bis stearic acid amide.
Embodiment 7
The present embodiment is with embodiment 6, and institute's difference is:
Get the raw materials ready according to following component and weight part:
30 parts of PC resins,
65 parts of ABS resin,
5 parts of PA resins,
0.1 part, oxidation inhibitor,
0.1 part of lubricant.
The relative molecular weight of described PC resin is 30000g/mol, and its second-order transition temperature is 150 ℃;
Described ABS resin is the graft copolymer that acrylonitrile-butadiene-styrene (ABS) forms, its relative molecular weight is 180000g/mol, wherein the divinyl weight percent content is 10%, and the vinyl cyanide weight percent content is 20%, and the vinylbenzene weight percent content is 70%;
Described PA resin is PA66, and its intrinsic viscosity is 3.5;
Described oxidation inhibitor is four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester and three (2,4-di-tert-butyl-phenyl) phosphorous acid ester;
Described lubricant is methylene bis stearic amide and N, the mixing of N-ethylene bis stearic acid amide.
Embodiment 8
The present embodiment is with embodiment 6, and institute's difference is:
Get the raw materials ready according to following component and weight part:
60 parts of PC resins,
37 parts of ABS resin,
3 parts of PA resins,
1 part, oxidation inhibitor,
1 part of lubricant.
The relative molecular weight of described PC resin is 26000g/mol, and its second-order transition temperature is 145 ℃;
Described ABS resin is the graft copolymer that acrylonitrile-butadiene-styrene (ABS) forms, its relative molecular weight is 130000g/mol, wherein the divinyl weight percent content is 28%, and the vinyl cyanide weight percent content is 32%, and the vinylbenzene weight percent content is 40%;
Described PA resin is PA66, and its intrinsic viscosity is 2.0;
Described oxidation inhibitor is three (2,4-di-tert-butyl-phenyl) phosphorous acid ester;
Described lubricant is the calcium stearate fatty acid amide.
Embodiment 9
The present embodiment is with embodiment 6, and institute's difference is:
Get the raw materials ready according to following component and weight part:
48 parts of PC resins,
50 parts of ABS resin,
1 part of PA resin,
0.8 part, oxidation inhibitor,
0.2 part of lubricant.
The relative molecular weight of described PC resin is 26000g/mol, and its second-order transition temperature is 145 ℃;
Described ABS resin is the graft copolymer that acrylonitrile-butadiene-styrene (ABS) forms, its relative molecular weight is 160000g/mol, wherein the divinyl weight percent content is 35%, and the vinyl cyanide weight percent content is 15%, and the vinylbenzene weight percent content is 50%;
Described PA resin is PA6, and its intrinsic viscosity is 2.0;
Described oxidation inhibitor is two stearyl alcohol pentaerythritol diphosphites;
Described lubricant is the mixing of calcium stearate, Zinic stearas and stearic amide.
In sum, method of the present invention is simple, existence due to PA, make the PC/ABS alloy material have better mobility, the internal stress that product forms in injection molding process is lower, reduced because internal stresses release causes plastic substrate and binding force of cladding material decline or coating and collapsed the possibility of skin, thereby improved the electroplating effect of PC/ABS alloy material.
Claims (5)
1. a low internal stress is electroplated the PC/ABS alloy material, it is characterized in that, comprises the component with following weight part:
The relative molecular weight of described PC resin is 17000～30000g/mol, and its second-order transition temperature is 140～150 ℃;
Described ABS resin is the graft copolymer that acrylonitrile-butadiene-styrene (ABS) forms, the relative molecular weight of described ABS resin is 100000～180000g/mol, wherein the divinyl weight percent content is 10～55%, the vinyl cyanide weight percent content is 15～32%, and the vinylbenzene weight percent content is 30～70%;
Described PA resin is one or both the combination in PA6 and PA66, and its intrinsic viscosity is 1.7～3.5.
2. low internal stress according to claim 1 is electroplated the PC/ABS alloy material, it is characterized in that, described oxidation inhibitor is two [β-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl) propionic ester], four [β-(3 of Triethylene glycol, 5-di-t-butyl 4-hydroxy phenyl) propionic acid] one or more mixing in pentaerythritol ester, three (2,4-di-tert-butyl-phenyl) phosphorous acid ester, two stearyl alcohol pentaerythritol diphosphites.
3. low internal stress according to claim 1 is electroplated the PC/ABS alloy material, it is characterized in that, described lubricant is silane polymer, solid paraffin, whiteruss, soap, calcium stearate fatty acid amide, calcium stearate, Zinic stearas, stearic amide, methylene bis stearic amide and N, the mixing of one or more in the N-ethylene bis stearic acid amide.
4. one kind prepares the method that the described low internal stress of claim 1 is electroplated the PC/ABS alloy material, it is characterized in that, comprises the steps:
A, PC resin, ABS resin, PA resin, oxidation inhibitor and lubricant are added in mixing and blending machine mix;
B, with step a gained mixture by twin screw extruder blend granulation, obtain low internal stress and electroplate the PC/ABS alloy particle.
5. preparation method according to claim 4, is characterized in that, the barrel zone temperature of described twin screw extruder is 200～260 ℃, and screw speed is 200～600rpm.
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| CN102516735B true CN102516735B (en) | 2013-06-12 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103224699A (en) * | 2013-04-27 | 2013-07-31 | 上海锦湖日丽塑料有限公司 | Low linear expansion coefficient PC/ABS alloy composition and preparation method thereof |
| CN103333480B (en) * | 2013-07-19 | 2015-10-28 | 上海锦湖日丽塑料有限公司 | Plating PC/ABS alloy material of a kind of low coefficient of linear expansion and preparation method thereof |
| CN103342864B (en) * | 2013-07-19 | 2016-05-11 | 上海锦湖日丽塑料有限公司 | A kind of electroplating ABS resin with high-bond and preparation method thereof |
| CN103602053B (en) * | 2013-11-05 | 2016-06-29 | 上海锦湖日丽塑料有限公司 | Easily plating PC/ABS alloy material of plating and preparation method thereof |
| CN103694663A (en) * | 2013-12-19 | 2014-04-02 | 上海锦湖日丽塑料有限公司 | Low-emission polycarbonate/acrylonitrile butadiene styrene (PC/ABS) alloy material and preparation method thereof |
| CN104072968B (en) * | 2014-07-10 | 2016-02-03 | 上海锦湖日丽塑料有限公司 | A kind of high resistance to fatigue PC/ABS alloy material and preparation method thereof |
| CN106084720B (en) * | 2016-06-21 | 2018-04-10 | 宁波帅特龙集团有限公司 | PC/ABS alloys and preparation method thereof |
| CN106810840B (en) * | 2016-12-27 | 2019-05-10 | 天津金发新材料有限公司 | A kind of novel low stress PC composition |
| CN108891327B (en) * | 2018-06-22 | 2021-09-17 | 宁波帅特龙集团有限公司 | Rolling curtain cup stand |
| CN111154219B (en) * | 2018-11-07 | 2022-08-05 | 万华化学集团股份有限公司 | Low-internal-stress electroplating composition and preparation method thereof |
| CN109651753A (en) * | 2018-11-30 | 2019-04-19 | 金旸（厦门）新材料科技有限公司 | A kind of ABS/PA/PC acoustic absorption composite material, preparation method and applications |
| CN111073251A (en) * | 2019-12-23 | 2020-04-28 | 宁波帅特龙集团有限公司 | High-yield high-strength electroplating PC/ABS alloy and preparation method thereof |
| CN111117195A (en) * | 2019-12-30 | 2020-05-08 | 上海普利特复合材料股份有限公司 | Low-internal-stress electroplating-grade PC/ABS alloy material and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
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