CN101942188A - Permanent antistatic PC/ASA compound material and preparation method thereof - Google Patents
Permanent antistatic PC/ASA compound material and preparation method thereof Download PDFInfo
- Publication number
- CN101942188A CN101942188A CN2010102941694A CN201010294169A CN101942188A CN 101942188 A CN101942188 A CN 101942188A CN 2010102941694 A CN2010102941694 A CN 2010102941694A CN 201010294169 A CN201010294169 A CN 201010294169A CN 101942188 A CN101942188 A CN 101942188A
- Authority
- CN
- China
- Prior art keywords
- asa
- static
- matrix material
- permanent anti
- inhibitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
Abstract
The invention belongs to the field of macromolecular compound materials, and relates to a permanent antistatic PC/ASA compound material. The compound materials comprises the following components in part by weight: 50 to 85 parts of PC, 10 to 30 parts of ASA, 5 to 20 parts of antistatic agent, 1 to 10 parts of compatilizer, 0.1 to 2 parts of antioxygen, 0.1 to 2 parts of light stabilizer and 0.1 to 1 part of other additives (such as lubricating agent). The permanent antistatic PC/ASA compound material has the advantages of high mechanical property and weather resistance, permanent antistatic property, long service life, low use cost and suitability for industrialized production and large-scale popularization and application. The invention also relates to a method for preparing the compound material.
Description
Technical field
The invention belongs to the polymer composite field, be specifically related to a kind of permanent anti-static PC/ASA matrix material; The present invention also relates to the preparation method of described PC/ASA matrix material simultaneously.
Background technology
It is polycarbonate-based that the PC/ASA material belongs to alloy, have the characteristic of PC and ASA concurrently, show as shock resistance, heat-resisting, glossiness is good, and also has excellent weathering resistance and chemical-resistant, be widely used in aspects such as automobile, business machine equipment, consumption electronic product, prospect is considerable.
In modern industry and daily life, the easy static of plastics and the sticking dust of inhaling, static hazard may cause heavy losses and disaster when serious.In general, prevent that polymer surfaces from producing the electrostatic method and mainly containing the air ionization method, the metallic contact electric discharge, the conducting material introductory technique, the surface forms the moisture absorption embrane method and uses static inhibitor etc.
Use maximum antistatic modes at present and just be to use static inhibitor.Antistatic material commonly used mainly is to add some low-molecular-weight static inhibitor in material on the market now, main dependence molecule thing is separated out to material surface formation hydrophilic layer and is produced antistatic effect, but it is short that its main drawback is antistatic time, not water-fast washing promptly can lose antistatic effect in the short period of time.Therefore for reaching permanent antistatic effect, emphasis has been considered the weather resistance of antistatic material in base material, and water-wash resistance is taken into account the consistency of antistatic material and PC/ASA simultaneously.Need emphasis to consider the problem of above aspect when therefore developing this permanent anti-static PC/ASA material.
Summary of the invention
The objective of the invention is to overcome above-mentioned shortcoming of the prior art, a kind of permanent anti-static PC/ASA material is provided, this material not only has excellent mechanical property and weathering resistance, and its antistatic property has persistence, thereby increase the service life, reduce the use cost ratio, be suitable for commercial scale production, large-scale promotion application.
For achieving the above object, the technical solution used in the present invention is: a kind of PC/ASA matrix material of permanent anti-static comprises: PC, ASA, static inhibitor, compatilizer, oxidation inhibitor, photostabilizer and lubricant.
Preferably, the weight part of above-mentioned composition is respectively:
PC 50～85；
ASA 10～30；
Static inhibitor 5～20;
Compatilizer 1～10;
Oxidation inhibitor 0.1～2;
Photostabilizer 0.1～2;
Lubricant 0.1～1;
Wherein, the weight part sum of PC, ASA and static inhibitor is 100 parts.
In the optimized technical scheme, the weight part of PC is 65 parts, and the weight part of ASA is 20 parts, and the weight part of static inhibitor is 15 parts.
Further in the optimized technical scheme, selected static inhibitor is a kind of polyethers hindered amines.
In the technique scheme, described PC, ASA, static inhibitor, compatilizer, oxidation inhibitor, photostabilizer and lubricant all are to well known to a person skilled in the art composition commonly used, particularly:
Described PC is selected from: general bisphenol A polycarbonate on the industrial production, and its molecular weight is 10,000-40,000, be preferably 20,000-30,000.
Described ASA (acrylonitrile-styrene-acrylic ester graft copolymer) acrylic elastomer content by weight percentage is 30-70%.
Described compatilizer is selected from: ABS grafted maleic anhydride polymkeric substance.
Described oxidation inhibitor is selected from: antioxidant 1010, antioxidant 3114, oxidation inhibitor 626, the mixture of one or more in the oxidation inhibitor 168.
Be for the CAS of antioxidant 1010 number: 6683-19-8, molecular formula is: C
73H
108O
12, chemistry is by name: four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester;
Be for the CAS of antioxidant 3114 number: 27676-77-0, molecular formula is: C
48H
69N
3O
6, chemistry is by name: three (3, the 5-di-tert-butyl-4-hydroxyl benzyl) tricarbimide value;
Be for the CAS of oxidation inhibitor No. 626: 26741-53-7, molecular formula is: C
33H
50O
6P
2, chemistry is by name: the two diphosphites of two (2, the 4-di-tert-butyl-phenyl) tetramethylolmethane.
Be for the CAS of oxidation inhibitor No. 168: 31570-04-4, molecular formula is: C
42H
63O
3P, chemistry is by name: tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester;
Described photostabilizer is selected from: photostabilizer 944, photostabilizer 770, UV-3853, the mixture of one or more among the UV-2908.
Be for the CAS of photostabilizer No. 770: 52829-07-9, molecular formula is: C
28H
52O
4N
2, chemistry is by name: two (2,2,6,6-tetramethyl--4-piperidyl) sebate;
Be for the CAS of photostabilizer No. 944: 70624-18-9, molecular formula is: (C
35H
66N
8) n=
4-5, chemistry is by name: poly-[6-[(1,1,3,3-tetramethyl butyl) amino]]-1,3,5-triazines-2,4-[(2,2,6,6 ,-tetramethyl-4-piperidyl) imino-]-1, oneself two supports [(2,2,6,6-tetramethyl--4-piperidyl) imino-] of 6-}.
Be for the CAS of photostabilizer UV-3853 number: 167078-06-0, molecular formula is: C
27H
53NO
2, chemistry is by name: 2,2,6, and 6-tetramethyl--4-piperidines stearate;
Be for the CAS of photostabilizer UV-2908 number: 67845-93-63, molecular formula is: C
31H
54O
3, chemistry is by name: 5-di-tert-butyl-4-hydroxybenzoic acid cetyl ester.
The preparation method of above-mentioned permanent anti-static PC/ASA matrix material may further comprise the steps:
(1) takes by weighing raw material by above-mentioned weight proportion;
(2) with PC, ASA, static inhibitor and compatilizer 1000～2000 rev/mins of following high-speed mixing 1～10 minute; Add oxidation inhibitor, photostabilizer and lubricant then,, obtain Preblend 1000～2000 rev/mins of following high-speed mixing 1～10 minute;
(3) Preblend is fed in the twin screw extruder, wherein the temperature in each district of screw rod is 190～240 ℃, and screw speed is 200～500 rev/mins, and extruding pelletization can make permanent anti-static PC/ASA matrix material.
Because the technique scheme utilization, the present invention compared with prior art has following advantage:
1. this PC/ASA material not only has good permanent antistatic performance, and this material also has excellent mechanical property and good weathering resistance.
2. this PC/ASA material also has good flowing property, is applicable to commercial scale production.
3. the raw material of this PC/ASA material selection (PC, ASA, static inhibitor, compatilizer, oxidation inhibitor, photostabilizer and other auxiliary agents) all has the commercialization trade mark, compares cost with imported materials and items and declines to a great extent, and can be in large-scale application.
Embodiment
For being expressly understood technology contents of the present invention, the present invention is further described below in conjunction with embodiment:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| PC | 69 | 67 | 65 | 63 |
| ASA | 21 | 21 | 20 | 20 |
| Static inhibitor | 10 | 12 | 15 | 17 |
| Compatilizer | 5 | 5 | 5 | 5 |
| Oxidation inhibitor | 0.6 | 0.6 | 0.6 | 0.6 |
| Photostabilizer | 0.3 | 0.3 | 0.3 | 0.3 |
| Lubricant | 0.2 | 0.2 | 0.2 | 0.2 |
Earlier PC, ASA, static inhibitor and compatilizer are mixed under 1200 rev/mins rotating speed and stirred 3 minutes, add oxidation inhibitor, photostabilizer and other additives then, under 1500 rev/mins rotating speed, stirred 5 minutes, obtain Preblend.In this Preblend feeding twin screw extruder,, obtain permanent anti-static PC/ASA matrix material at 220 ℃ of following extruding pelletizations.To survey performance as shown in the table.
In sum, the prepared PC/ASA of the present invention has good permanent antistatic performance, excellent mechanical property and good weather resistance.
These embodiment only are used to the present invention is described and should not limit the scope of this invention.In addition, after having read content of the present invention, those skilled in the art make the change or the modification of the various equivalent form of values to the present invention, and these equivalent form of values belong to claims institute restricted portion of the application equally.
Claims (9)
1. permanent anti-static PC/ASA matrix material, comprising: PC, ASA, static inhibitor, compatilizer, oxidation inhibitor, photostabilizer and lubricant is characterized in that according to weight part, the weight part of above-mentioned composition is respectively:
PC 50～85；
ASA 10～30；
Static inhibitor 5～20;
Compatilizer 1～10;
Oxidation inhibitor 0.1～2;
Photostabilizer 0.1～2;
Lubricant 0.1～1;
Wherein, the weight part sum of PC, ASA and static inhibitor is 100 parts.
2. according to the described permanent anti-static PC/ASA of claim 1 matrix material, it is characterized in that: described PC is selected from bisphenol A polycarbonate general on the industrial production, and its molecular weight is 10,000-40, and 000, be preferably 20,000-30,000.
3. according to the described permanent anti-static PC/ASA of claim 1 matrix material, it is characterized in that: described ASA (acrylonitrile-styrene-acrylic ester graft copolymer) acrylic elastomer content by weight percentage is 30-70%.
4. according to the described permanent anti-static PC/ASA of claim 1 matrix material, it is characterized in that: described static inhibitor is selected from: one or more in polyether ester, polyether ester amides, the polyetheramides.
5. according to the described permanent anti-static PC/ASA of claim 1 matrix material, it is characterized in that: described compatilizer is selected from: a kind of ABS maleic anhydride grafted polymer.
6. according to the described permanent anti-static PC/ASA of claim 1 matrix material, it is characterized in that: described oxidation inhibitor is selected from: the mixture of Hinered phenols antioxidant and phosphite ester kind antioxidant.
7. according to the described permanent anti-static PC/ASA of claim 1 matrix material, it is characterized in that: described photostabilizer is selected from: the benzotriazole category uv-absorbing agent.
8. according to the described permanent anti-static PC/ASA of claim 1 matrix material, it is characterized in that: described other additives are selected from: various toner additives and lubricant.
9. the preparation method of a permanent anti-static PC/ASA matrix material is characterized in that: may further comprise the steps:
(1) takes by weighing raw material by the described weight proportion of claim 1;
(2) with PC, ASA, static inhibitor and compatilizer 1000～2000 rev/mins of following high-speed mixing 1～10 minute; Add oxidation inhibitor, photostabilizer and other additives then, obtained Preblend in 1～10 minute 1000～2000 rev/mins of following high-speed mixing;
(3) Preblend is fed in the twin screw extruder, preheat 3～5 minutes, wherein the temperature in each district of screw rod is 190～240 ℃, and screw speed is 200～500 rev/mins, and extruding pelletization can make permanent anti-static PC/ASA matrix material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102941694A CN101942188A (en) | 2010-09-28 | 2010-09-28 | Permanent antistatic PC/ASA compound material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102941694A CN101942188A (en) | 2010-09-28 | 2010-09-28 | Permanent antistatic PC/ASA compound material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101942188A true CN101942188A (en) | 2011-01-12 |
Family
ID=43434402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102941694A Pending CN101942188A (en) | 2010-09-28 | 2010-09-28 | Permanent antistatic PC/ASA compound material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101942188A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146169A (en) * | 2013-03-05 | 2013-06-12 | 苏州旭光聚合物有限公司 | PC/ASA (Poly Carbonate/ Acrylonitrile Styrene Acrylate Copolymer) antistatic surface material and preparation method thereof |
| CN103625065A (en) * | 2012-08-23 | 2014-03-12 | 上海杰事杰新材料(集团)股份有限公司 | ASA/AS and modified PC co-extrusion material, preparation method and application thereof |
| CN103709712A (en) * | 2013-12-27 | 2014-04-09 | 吴江市东泰电力特种开关有限公司 | Heat-resistant hydrolysis-resistant PC/ASA (polycarbonate/acrylonitrile-styrene-acrylate graft copolymer) alloy material |
| CN104788932A (en) * | 2015-04-28 | 2015-07-22 | 上海锦湖日丽塑料有限公司 | Antistatic PC/ASA alloy material with excellent thermal stability and preparation method thereof |
| CN104893270A (en) * | 2015-05-25 | 2015-09-09 | 宁波高新区卓尔化工科技有限公司 | Antistatic polycarbonate (PC)/ acrylonitrile-styrene-acrylic acid copolymer (ASA) alloy plastic and preparation method thereof |
| CN107082981A (en) * | 2017-05-09 | 2017-08-22 | 台州博尔特塑胶电子有限公司 | A kind of antistatic cushion of persistence and preparation method thereof |
| CN108026349A (en) * | 2015-09-25 | 2018-05-11 | Ptt全球化学股份有限公司 | Thermoplastic compounds with improved mechanical performance |
| CN109851972A (en) * | 2018-11-19 | 2019-06-07 | 椤惧缓 | A kind of ASA-PVC composite material |
| CN111138823A (en) * | 2019-12-25 | 2020-05-12 | 江苏金发科技新材料有限公司 | Noise-reduction permanent antistatic polycarbonate styrene resin alloy and preparation method thereof |
| CN112646341A (en) * | 2020-11-27 | 2021-04-13 | 张家港大塚化学有限公司 | Preparation process of halogen-free flame-retardant, antistatic, high-wear-resistance and high-strength PC/ASA alloy |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1424349A (en) * | 2001-12-12 | 2003-06-18 | 上海杰事杰新材料股份有限公司 | Weatherproof styrene engineering plastic alloy and preparation thereof |
| CN101213254A (en) * | 2005-07-08 | 2008-07-02 | 通用电气公司 | Low gloss thermoplastic composition, method of making, and articles formed therefrom |
| CN101759982A (en) * | 2008-12-23 | 2010-06-30 | 上海普利特复合材料股份有限公司 | Antistatic and ultraviolet resistant PC/ASA material composition |
-
2010
- 2010-09-28 CN CN2010102941694A patent/CN101942188A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1424349A (en) * | 2001-12-12 | 2003-06-18 | 上海杰事杰新材料股份有限公司 | Weatherproof styrene engineering plastic alloy and preparation thereof |
| CN101213254A (en) * | 2005-07-08 | 2008-07-02 | 通用电气公司 | Low gloss thermoplastic composition, method of making, and articles formed therefrom |
| CN101759982A (en) * | 2008-12-23 | 2010-06-30 | 上海普利特复合材料股份有限公司 | Antistatic and ultraviolet resistant PC/ASA material composition |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103625065A (en) * | 2012-08-23 | 2014-03-12 | 上海杰事杰新材料(集团)股份有限公司 | ASA/AS and modified PC co-extrusion material, preparation method and application thereof |
| CN103146169A (en) * | 2013-03-05 | 2013-06-12 | 苏州旭光聚合物有限公司 | PC/ASA (Poly Carbonate/ Acrylonitrile Styrene Acrylate Copolymer) antistatic surface material and preparation method thereof |
| CN103709712A (en) * | 2013-12-27 | 2014-04-09 | 吴江市东泰电力特种开关有限公司 | Heat-resistant hydrolysis-resistant PC/ASA (polycarbonate/acrylonitrile-styrene-acrylate graft copolymer) alloy material |
| CN104788932A (en) * | 2015-04-28 | 2015-07-22 | 上海锦湖日丽塑料有限公司 | Antistatic PC/ASA alloy material with excellent thermal stability and preparation method thereof |
| CN104893270A (en) * | 2015-05-25 | 2015-09-09 | 宁波高新区卓尔化工科技有限公司 | Antistatic polycarbonate (PC)/ acrylonitrile-styrene-acrylic acid copolymer (ASA) alloy plastic and preparation method thereof |
| CN108026349A (en) * | 2015-09-25 | 2018-05-11 | Ptt全球化学股份有限公司 | Thermoplastic compounds with improved mechanical performance |
| CN108026349B (en) * | 2015-09-25 | 2021-06-08 | Ptt全球化学股份有限公司 | Thermoplastic composition with improved mechanical properties |
| CN107082981A (en) * | 2017-05-09 | 2017-08-22 | 台州博尔特塑胶电子有限公司 | A kind of antistatic cushion of persistence and preparation method thereof |
| CN107082981B (en) * | 2017-05-09 | 2019-08-27 | 台州博尔特塑胶电子有限公司 | A kind of antistatic cushion of persistence and preparation method thereof |
| CN109851972A (en) * | 2018-11-19 | 2019-06-07 | 椤惧缓 | A kind of ASA-PVC composite material |
| CN111138823A (en) * | 2019-12-25 | 2020-05-12 | 江苏金发科技新材料有限公司 | Noise-reduction permanent antistatic polycarbonate styrene resin alloy and preparation method thereof |
| CN112646341A (en) * | 2020-11-27 | 2021-04-13 | 张家港大塚化学有限公司 | Preparation process of halogen-free flame-retardant, antistatic, high-wear-resistance and high-strength PC/ASA alloy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101942188A (en) | Permanent antistatic PC/ASA compound material and preparation method thereof | |
| CN101967274A (en) | Permanent antistatic polycarbonate (PC)/acrylonitrile-butadiene-styrene (ABS) composite material and preparation method thereof | |
| CN101962475A (en) | Permanent antistatic mineral filled nylon composite material and preparation method thereof | |
| CN101481483B (en) | Antistatic teflon film and preparation thereof | |
| CN101982499A (en) | Low-odor dispersed PC/ABS composite material and preparation method thereof | |
| CN101659786B (en) | Nylon composite material with low fuel oil permeability rate used for fuel oil tank and preparation method thereof | |
| CN104140633B (en) | Plastic overmold TPE fire retardant material and preparation method thereof | |
| CN102417690B (en) | Polyformaldehyde composite material and preparation method thereof | |
| CN101787159A (en) | Low-VOC scratch-resistant modified polypropylene composite material and preparation method thereof | |
| CN101280095A (en) | Glass fiber reinforced polyethylene glycol terephthalate composite material and preparation thereof | |
| CN103965575A (en) | Charging wire material for electric vehicles and preparation method thereof | |
| CN101134841A (en) | Shockproof conductive polyphenyl ether polyamide compound and method for making same | |
| CN101948612B (en) | Antistatic polyester and preparation method thereof | |
| CN102020825A (en) | Flame-retardant permanent antistatic ABS material and preparation method thereof | |
| CN106366610A (en) | High-glowing filament scratch-resistant PC material suitable for tablet computer shell and preparation method thereof | |
| CN102702612B (en) | High-flow precipitation-resistant halogen-free flame-retardant polypropylene composite material and preparation method thereof | |
| CN103214778A (en) | Impact-resistant polystyrene composition and preparation method thereof | |
| CN1252182C (en) | High efficiency polyphenylether composition and its application | |
| CN102786767B (en) | Halogen-free flame retardant ABS with super high flow and preparation method thereof | |
| CN103360732A (en) | Alloy for recovering polyethylene glycol terephthalate/acrylonitrile-butadiene-styrene copolymer and preparation method thereof | |
| CN112724573A (en) | Polyester alloy composition with good heat resistance and preparation method and application thereof | |
| CN109957243A (en) | A kind of thermoplastic halogen-free flame retarding biology base PA56 and PA66 composite material and preparation method | |
| CN105237983B (en) | Halogen-free flame retardant PC composite and preparation method thereof | |
| CN102775681A (en) | High-temperature precipitation-resistant halogen-free flame-retardant polypropylene composition and preparation method thereof | |
| CN102417658A (en) | Permanently antistatic polyamide 66/polypropylene (PA66/PP) alloy, and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20110112 |