CN102286201A - High-strength nylon complex and preparation method thereof - Google Patents
High-strength nylon complex and preparation method thereof Download PDFInfo
- Publication number
- CN102286201A CN102286201A CN201110194998XA CN201110194998A CN102286201A CN 102286201 A CN102286201 A CN 102286201A CN 201110194998X A CN201110194998X A CN 201110194998XA CN 201110194998 A CN201110194998 A CN 201110194998A CN 102286201 A CN102286201 A CN 102286201A
- Authority
- CN
- China
- Prior art keywords
- nylon
- percent
- mass percent
- strength
- mixture
- 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
-
- B29C47/92—
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention discloses a high-strength nylon complex which comprises the following components in percentage by mass: 43.1 percent to 74.4 percent of nylon 6 or nylon 66, 20 percent to 50 percent of alkali-free long glass fiber, 5 percent of magnesium salt whisker, 0.2 percent to 1 percent of nylon chain extender, 0.1 percent to 0.3 percent of antioxidant and 0.3 percent to 0.6 percent of lubricant. In the high-strength nylon complex disclosed by the invention, on the basis of the nylon 6 or the nylon 66 and the alkali-free long glass fiber which are used as the main materials, formula materials of the magnesium salt whisker, the nylon chain extender, the antioxidant and the lubricant are added, so that the physical and mechanism properties of the nylon complex can be greatly improved. The high-strength nylon complex disclosed by the invention has the advantages that the mechanical property is doubled; the thermal resistance is obviously improved; the forming shrinkage is reduced; the water absorption is reduced; and the creep resistance and the fatigue resistance are obviously improved.
Description
Technical field
The present invention relates to a kind of high-strength nylon mixture and preparation method thereof, relate in particular to and a kind of glass fibre is added in nylon (polymeric amide) matrix, the high-strength nylon mixture that makes with the blend extrusion method.
Background technology
Nylon (polymeric amide) has excellent mechanical property, physics, mechanical property, electrical property, advantages such as wear-resisting chemical-resistant resistance, as the tensile strength height, shock resistance is good, chemical-resistant resistance and oil-proofness are outstanding, are most widely used kinds in the five big general engineering plastic.The existing modification of nylon that occurs many interpolation glass fibre on the market, the easy warpage that exists with the Reinforced Nylon goods, mobile shortcoming such as relatively poor, but cause its injected articles size instability yielding easily, assembling behind the goods is produced detrimentally affect, have a strong impact on its use properties.Aspect prescription, owing to only select for use glass fibre to come the characteristic of Reinforced Nylon merely, also easily cause phenomenons such as the easy warpage of nylon, mobile difference, improve warpage and flowability even add mineral, but also can cause very big negative impact for mechanical property.And aspect production technique, the existing main volume type feeding that adopts is fed nylon, breeze and other additives simultaneously, side feeding roving glass fiber, and this kind production technique often makes unstable product quality.In addition, nylon also exists outstanding shortcoming, and is big as water-intake rate, causes poor dimensional stability etc., and nylon uses as engineering plastics, and mechanical property also needs further raising, so that obtain having the more polyamide material of high strength and heat-drawn wire.
Summary of the invention
Technical problem to be solved by this invention is the defective that overcomes prior art, the high-strength nylon mixture that provide a kind of and can improve exponentially that mechanical property, resistance toheat significantly improve, molding shrinkage reduces, water-intake rate reduces, anti-creep resistance and fatigue resistance significantly improves.
The technical solution adopted for the present invention to solve the technical problems is: a kind of high-strength nylon mixture, wherein aforesaid nylon composite are that 43.1%～74.4% nylon 6 or nylon 66, mass percent are that 20%～50% alkali-free long glass fibres, mass percent are that 5% magnesium salt whisker, mass percent are that 0.2%～1% nylon chainextender, mass percent are that 0.1%～0.3% oxidation inhibitor and mass percent are that 0.3%～0.6% lubricant is formed by mass percent.High-strength nylon mixture of the present invention is to add formula materials on the basis of nylon 6 or nylon 66, alkali-free long glass fibres at main raw: magnesium salt whisker, nylon chainextender, oxidation inhibitor and lubricant can have the physical and mechanical property that increases nylon composite greatly.Wherein, the magnesium salt whisker product that adds on the basis of traditional strongthener prescription is single palpus fibrous texture, and diameter is in nano-scale range, and magnesium salt whisker has very high physical and mechanical properties, the intensity of energy Reinforced Nylon composite materials after the adding; And magnesium salt whisker easily disperses, and is good with the consistency of resin, and the nylon product surface scratch resistance ability that makes is strong, dimensional stabilizing is difficult for buckling deformation, and can improves the ageing resistance of nylon product.In addition, the nylon chainextender that adds is by carrying out chemical reaction with the nylon end group in the course of processing, the molecular weight of nylon 6 or nylon 66 can forever be increased, improve the shock strength of nylon composite, increase the elongation at break of alkali-free long glass fibres simultaneously the Reinforced Nylon composition.The thermal-oxidative degradation reaction takes place in nylon 6 or nylon 66 easily, adds the premium properties that oxidation inhibitor can keep nylon 6 or nylon 66, prolongs the work-ing life of nylon composite.Lubricant has good lubricated, dissemination.
As the further design to the aforementioned techniques scheme: aforesaid nylon chainextender is two amine chainextenders or polyalcohols chainextender, and two amines expand and connect agent and can be diamino diamines methane (MDA); Described oxidation inhibitor is one or more in phenolic antioxidant, amine antioxidants, phosphite kind antioxidant and the sulfolipins oxidation inhibitor; Described lubricant is silicone powder or calcium stearate.
In addition, the invention still further relates to the preparation method of high-strength nylon mixture, its preparation process is:
1. nylon 6 or nylon 66 are put into dehumidifying heat pump, 110 ℃ temperature inner drying dehumidifying 8 hours;
2. through the nylon 6 behind the desiccant dehumidification or nylon 66 with magnesium salt whisker, nylon chainextender, oxidation inhibitor, that lubricant is put into the high speed mixer thorough mixing is standby after 2 minutes;
3. above-mentioned mixture in is 2. put into twin screw extruder, add the alkali-free long glass fibres at the glass fibre mouth place that twin screw is extruded simultaneously, make alkali-free long glass fibres and mixture thorough mixing, extrude nylon composite by twin screw extruder then;
4. nylon composite forms the nylon composite particle by the dicing machine blank then by tie rod after the moulding of cooling trough water-cooled, finishes the preparation of nylon composite.
As the further design that aforementioned preparation method is described: the fabrication process condition of aforesaid twin screw extruder is as follows:
Temperature is 250 ℃ of first segment barrels, 250 ℃ of the second joint barrels, 250 ℃ of the 3rd joint barrels, 240 ℃ of the 4th joint barrels, 240 ℃ of the 5th joint barrels, 240 ℃ of the 6th joint barrels, 230 ℃ of the 7th joint barrels, 230 ℃ of the 8th joint barrels, 230 ℃ of the 9th joint barrels;
The screw speed of aforesaid twin screw extruder is 450～500 commentaries on classics/min.
In sum, high-strength nylon mixture of the present invention is compared with the nylon material of prior art, it is as follows to have advantage: after nylon (polymeric amide) mixed with alkali-free long glass fibres and other prescriptions, the performance of the nylon composite of formation had outstanding variation mainly to show: mechanical property is multiplied, resistance toheat significantly improves, molding shrinkage reduces, water-intake rate reduction, creep resistance and fatigue resistance significantly improve.Simultaneously, utilize the made product of preparation method of high-strength nylon mixture can be used in high-intensity automobile, electronics etc. and require also can on other use fields, have boundless use range on the engineering plastics of high abrasion, high heat-resisting, high performance requirements.
Embodiment
The embodiment of the invention 1 described a kind of high-strength nylon mixture, nylon composite are that 43.1% nylon 6, mass percent are that 50% alkali-free long glass fibres, mass percent are that 5% magnesium salt whisker, mass percent are that 1% nylon chainextender, mass percent are that 0.3% oxidation inhibitor and mass percent are that 0.6% lubricant is formed by mass percent.The high-strength nylon mixture of present embodiment is to add formula materials on the basis of nylon 6, alkali-free long glass fibres at main raw: magnesium salt whisker, nylon chainextender, oxidation inhibitor and lubricant can increase the physical and mechanical property of nylon composite greatly.Wherein, the magnesium salt whisker product that adds on the basis of traditional strongthener prescription is single palpus fibrous texture, and diameter is in nano-scale range, and magnesium salt whisker has very high physical and mechanical properties, enables the intensity of Reinforced Nylon composite materials after the adding; And magnesium salt whisker easily disperses, and is good with the consistency of resin, and the nylon product surface scratch resistance ability that makes is strong, dimensional stabilizing is difficult for buckling deformation, and can improves the ageing resistance of nylon product.In addition, the nylon chainextender that adds is by carrying out chemical reaction with the nylon end group in the course of processing, the molecular weight of nylon 6 can forever be increased, improve the shock strength of nylon composite, increase the elongation at break of alkali-free long glass fibres simultaneously the Reinforced Nylon composition.The thermal-oxidative degradation reaction takes place in nylon 6 easily, adds the premium properties that oxidation inhibitor can keep nylon 6, prolongs the work-ing life of nylon composite.Lubricant has good lubricated, dissemination.
Aforesaid nylon chainextender is two amine chainextenders, and this nylon chainextender is a diamino diamines methane (MDA).Oxidation inhibitor is the Synergistic blend of space hindered phenol antioxygen and phosphonate; Lubricant is the silicone powder.
In addition, present embodiment also relates to the preparation method of high-strength nylon mixture, and its preparation process is:
1. nylon 6 or nylon 66 are put into dehumidifying heat pump, 110 ℃ temperature inner drying dehumidifying 8 hours;
2. through the nylon 6 behind the desiccant dehumidification or nylon 66 with magnesium salt whisker, nylon chainextender, oxidation inhibitor, that lubricant is put into the high speed mixer thorough mixing is standby after 2 minutes;
3. above-mentioned mixture in is 2. put into twin screw extruder, add the alkali-free long glass fibres at the glass fibre mouth place that twin screw is extruded simultaneously, make alkali-free long glass fibres and mixture thorough mixing, extrude nylon composite by twin screw extruder then;
4. nylon composite forms the nylon composite particle by the dicing machine blank then by tie rod after the moulding of cooling trough water-cooled, finishes the preparation of nylon composite.
The fabrication process condition of aforesaid twin screw extruder is as follows:
Temperature is 250 ℃ of first segment barrels, 250 ℃ of the second joint barrels, 250 ℃ of the 3rd joint barrels, 240 ℃ of the 4th joint barrels, 240 ℃ of the 5th joint barrels, 240 ℃ of the 6th joint barrels, 230 ℃ of the 7th joint barrels, 230 ℃ of the 8th joint barrels, 230 ℃ of the 9th joint barrels;
The screw speed of aforesaid twin screw extruder is 450～500 commentaries on classics/min.
Embodiment 2
Present embodiment 2 is to change on the basis of embodiment 1, and it is specific as follows:
The preparation method who keeps the high-strength nylon mixture among the embodiment 1, mainly be that the component prescription of high-strength nylon mixture is made change, promptly the high-strength nylon mixture is that 74.4% nylon 66, mass percent are that 20% alkali-free long glass fibres, mass percent are that 5% magnesium salt whisker, mass percent are that 0.2% nylon chainextender, mass percent are that 0.1% oxidation inhibitor and mass percent are that 0.3% lubricant is formed by mass percent.Wherein the magnesium salt whisker product is single palpus fibrous texture, and diameter is in nano-scale range, and magnesium salt whisker has very high physical and mechanical properties, enables the intensity of Reinforced Nylon composite materials after the adding.The nylon chainextender adopts the two hexanolactams (CBC) of carbonyl; Oxidation inhibitor is the two diphosphites of two (2.4-di-tert-butyl-phenyl) tetramethylolmethanes; Lubricant is a calcium stearate.
Embodiment 3
Present embodiment 3 is to change on the basis of embodiment 1 equally, and it is specific as follows:
The preparation method who keeps the high-strength nylon mixture among the embodiment 1, mainly be that the component prescription of high-strength nylon mixture is made change, promptly the high-strength nylon mixture is that 48.8% nylon 6, mass percent are that 45% alkali-free long glass fibres, mass percent are that 5% magnesium salt whisker, mass percent are that 0.5% nylon chainextender, mass percent are that 0.2% oxidation inhibitor and mass percent are that 0.5% lubricant is formed by mass percent.Wherein the magnesium salt whisker product is single palpus fibrous texture, and diameter is in nano-scale range, and magnesium salt whisker has very high physical and mechanical properties, enables the intensity of Reinforced Nylon composite materials after the adding.The nylon chainextender adopts the two oxazolines (PBO) of phenyl; Oxidation inhibitor is Sodium phosphate dibasic; Lubricant is a calcium stearate.
The above only is preferred embodiment of the present invention, is not technology contents of the present invention is done any pro forma restriction.Every foundation technical spirit of the present invention all still belongs in the scope of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (4)
1. high-strength nylon mixture is characterized in that: described nylon composite is that 43.1%～74.4% nylon 6 or nylon 66, mass percent are that 20%～50% alkali-free long glass fibres, mass percent are that 5% magnesium salt whisker, mass percent are that 0.2%～1% nylon chainextender, mass percent are that 0.1%～0.3% oxidation inhibitor and mass percent are that 0.3%～0.6% lubricant is formed by mass percent.
2. high-strength nylon mixture according to claim 1 is characterized in that: described nylon chainextender is two amine chainextenders or polyalcohols chainextender, and the expansion of two amines connects agent and can be diamino diamines methane (MDA); Described oxidation inhibitor is one or more in phenolic antioxidant, amine antioxidants, phosphite kind antioxidant and the sulfolipins oxidation inhibitor; Described lubricant is silicone powder or calcium stearate.
3. preparation method according to the described high-strength nylon mixture of claim 1, it is characterized in that: described preparation process is:
1. nylon 6 or nylon 66 are put into dehumidifying heat pump, 110 ℃ temperature inner drying dehumidifying 8 hours;
2. through the nylon 6 behind the desiccant dehumidification or nylon 66 with magnesium salt whisker, nylon chainextender, oxidation inhibitor, that lubricant is put into the high speed mixer thorough mixing is standby after 2 minutes;
3. above-mentioned mixture in is 2. put into twin screw extruder, add the alkali-free long glass fibres at the glass fibre mouth place that twin screw is extruded simultaneously, make alkali-free long glass fibres and mixture thorough mixing, extrude nylon composite by twin screw extruder then;
4. nylon composite forms the nylon composite particle by the dicing machine blank then by tie rod after the moulding of cooling trough water-cooled, finishes the preparation of nylon composite.
4. the preparation method of high-strength nylon mixture according to claim 3 is characterized in that: the fabrication process condition of described twin screw extruder is as follows:
Temperature is 250 ℃ of first segment barrels, 250 ℃ of the second joint barrels, 250 ℃ of the 3rd joint barrels, 240 ℃ of the 4th joint barrels, 240 ℃ of the 5th joint barrels, 240 ℃ of the 6th joint barrels, 230 ℃ of the 7th joint barrels, 230 ℃ of the 8th joint barrels, 230 ℃ of the 9th joint barrels;
The screw speed of described twin screw extruder is 450～500 commentaries on classics/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110194998XA CN102286201A (en) | 2011-07-13 | 2011-07-13 | High-strength nylon complex and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110194998XA CN102286201A (en) | 2011-07-13 | 2011-07-13 | High-strength nylon complex and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102286201A true CN102286201A (en) | 2011-12-21 |
Family
ID=45332967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110194998XA Pending CN102286201A (en) | 2011-07-13 | 2011-07-13 | High-strength nylon complex and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102286201A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436009A (en) * | 2013-09-23 | 2013-12-11 | 上海纳岩新材料科技有限公司 | Long glass fiber reinforced nylon composite material and preparation method thereof |
| CN103450678A (en) * | 2013-08-28 | 2013-12-18 | 宁波伊德尔新材料有限公司 | Waterproof alcoholysis high-temperature resistant renewable nylon 66 composite material and preparation method thereof |
| CN103910995A (en) * | 2013-01-05 | 2014-07-09 | 合肥杰事杰新材料股份有限公司 | High-molecular composition used for plastic building template and its preparation method |
| CN105219077A (en) * | 2015-11-14 | 2016-01-06 | 华文蔚 | A kind of enhancing conductive nylon material and preparation method thereof |
| CN105348718A (en) * | 2015-11-26 | 2016-02-24 | 中广核俊尔新材料有限公司 | High-temperature-compression-resistant thermoplastic elastomer for nylon adhesion and preparing method and application thereof |
| CN106280431A (en) * | 2016-08-30 | 2017-01-04 | 厦门建霖工业有限公司 | A kind of bio-based nylon composite materials and its preparation method and application |
| CN108610627A (en) * | 2018-03-06 | 2018-10-02 | 重庆知遨科技有限公司 | A kind of long glass fiber reinforced nylon plate and preparation method thereof for suitcase |
| CN109736672A (en) * | 2018-12-29 | 2019-05-10 | 商秋(上海)新材料科技有限公司 | A kind of ultra-silent energy-saving slab bridge window |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525434A (en) * | 2009-04-08 | 2009-09-09 | 株洲时代新材料科技股份有限公司 | Basic magnesium sulfate whisker reinforced modified reaction injection nylon composite material and preparation method thereof |
| CN101659787A (en) * | 2009-09-14 | 2010-03-03 | 浙江工业大学 | Special material of high-strength flame-retardant reinforced nylon 6 and preparation method thereof |
| CN101747623A (en) * | 2008-12-22 | 2010-06-23 | 上海日之升新技术发展有限公司 | Calcium sulfate crystal whisker glass fiber composite reinforcing nylon material and preparation method thereof |
-
2011
- 2011-07-13 CN CN201110194998XA patent/CN102286201A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101747623A (en) * | 2008-12-22 | 2010-06-23 | 上海日之升新技术发展有限公司 | Calcium sulfate crystal whisker glass fiber composite reinforcing nylon material and preparation method thereof |
| CN101525434A (en) * | 2009-04-08 | 2009-09-09 | 株洲时代新材料科技股份有限公司 | Basic magnesium sulfate whisker reinforced modified reaction injection nylon composite material and preparation method thereof |
| CN101659787A (en) * | 2009-09-14 | 2010-03-03 | 浙江工业大学 | Special material of high-strength flame-retardant reinforced nylon 6 and preparation method thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910995A (en) * | 2013-01-05 | 2014-07-09 | 合肥杰事杰新材料股份有限公司 | High-molecular composition used for plastic building template and its preparation method |
| CN103450678A (en) * | 2013-08-28 | 2013-12-18 | 宁波伊德尔新材料有限公司 | Waterproof alcoholysis high-temperature resistant renewable nylon 66 composite material and preparation method thereof |
| CN103450678B (en) * | 2013-08-28 | 2016-04-13 | 宁波伊德尔新材料有限公司 | The preparation method of water-fast alcoholysis is high temperature resistant regeneration nylon 66 composite material |
| CN103436009A (en) * | 2013-09-23 | 2013-12-11 | 上海纳岩新材料科技有限公司 | Long glass fiber reinforced nylon composite material and preparation method thereof |
| CN103436009B (en) * | 2013-09-23 | 2015-12-09 | 上海纳岩新材料科技有限公司 | Long glass fiber reinforced nylon composite materials and preparation method thereof |
| CN105219077A (en) * | 2015-11-14 | 2016-01-06 | 华文蔚 | A kind of enhancing conductive nylon material and preparation method thereof |
| CN105348718A (en) * | 2015-11-26 | 2016-02-24 | 中广核俊尔新材料有限公司 | High-temperature-compression-resistant thermoplastic elastomer for nylon adhesion and preparing method and application thereof |
| CN106280431A (en) * | 2016-08-30 | 2017-01-04 | 厦门建霖工业有限公司 | A kind of bio-based nylon composite materials and its preparation method and application |
| CN106280431B (en) * | 2016-08-30 | 2018-10-26 | 厦门建霖健康家居股份有限公司 | A kind of biology base nylon composite materials and its preparation method and application |
| CN108610627A (en) * | 2018-03-06 | 2018-10-02 | 重庆知遨科技有限公司 | A kind of long glass fiber reinforced nylon plate and preparation method thereof for suitcase |
| CN109736672A (en) * | 2018-12-29 | 2019-05-10 | 商秋(上海)新材料科技有限公司 | A kind of ultra-silent energy-saving slab bridge window |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102286201A (en) | High-strength nylon complex and preparation method thereof | |
| CN102167867B (en) | Continuous glass fiber reinforced polypropylene/nylon alloy chopped material and preparation method thereof | |
| CN111040440B (en) | Low-density high-wear-resistance nylon composite material and preparation method and application thereof | |
| CN103059562B (en) | High-glossiness anti-warping high-strength PA6 (polyamide 6) composite material, and preparation and application thereof | |
| CN110982258A (en) | Floating-fiber-free high-glass-fiber-reinforced nylon material and preparation method thereof | |
| CN1789337A (en) | High-performance reinforced nylon | |
| WO2012103747A1 (en) | Highly fatigue-resistant glass fiber reinforced nylon material and preparation method therefor | |
| CN109306179B (en) | Use of polyamide 5X as an agent for improving the apparent mass of a reinforced thermoplastic composition | |
| CN103497484A (en) | High-modulus high-strength high-heatproofnesspolyoxymethylene composite material and preparation method thereof | |
| CN103102684A (en) | Weather-proof and hydrolysis-resistant continuous glass fiber reinforced polyamide composite material and its preparation method | |
| CN103087468A (en) | Polyether-ether-ketone composite material with high heat resistance and high wear resistance and preparation process thereof | |
| CN113549323B (en) | High-strength high-fluidity low-warpage long glass fiber reinforced polyamide composite material and preparation method and application thereof | |
| CN104130570A (en) | Polyamide composite material, preparation method thereof, and application thereof to prepare automobile door handles | |
| CN103483801A (en) | Thermoplastic polyurethane composite material and preparation method thereof | |
| CN110903650B (en) | High-crystallinity polyphenylene sulfide composite material easy to machine and mold and preparation method and application thereof | |
| CN103214834A (en) | Polyamide composite material, as well as preparation method and application thereof | |
| CN112852149A (en) | Flame-retardant antistatic glass fiber reinforced nylon 6 composite material and preparation method thereof | |
| CN103509342A (en) | Glass fiber reinforced polyphenylene sulfide resin and preparation method thereof | |
| CN101191012A (en) | High glazing and high liquidity long glass fiber-reinforced polyamide composite material and preparation method thereof | |
| CN110903640A (en) | High-fluidity high-impact-resistance nylon material and preparation method thereof | |
| CN103739952A (en) | PP (propylene) composite material capable of replacing ABS (Acrylonitrile Ethylene Styrene) and preparation method of PP composite material | |
| CN111647269B (en) | Polyamide material with excellent appearance, low water absorption and self-tapping sliding wire resistance as well as preparation method and application thereof | |
| CN106566159A (en) | Application of polyamide acting as flow accelerant in improving glossiness of reinforced ASA composite | |
| CN103087515A (en) | High-content glass fiber reinforced nylon 6 composite material and preparation method thereof | |
| CN115584122A (en) | Manufacturing method of nylon composite material with stable size |
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 |
Application publication date: 20111221 |