CN103819869A - High-strength high-heat stability sensitive resin/polyether type TPU (Thermoplastic Poly-Urethane) alloy material - Google Patents
High-strength high-heat stability sensitive resin/polyether type TPU (Thermoplastic Poly-Urethane) alloy material Download PDFInfo
- Publication number
- CN103819869A CN103819869A CN201410094965.1A CN201410094965A CN103819869A CN 103819869 A CN103819869 A CN 103819869A CN 201410094965 A CN201410094965 A CN 201410094965A CN 103819869 A CN103819869 A CN 103819869A
- Authority
- CN
- China
- Prior art keywords
- polyether
- tpu
- resin
- susceptibility
- alloy material
- 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.)
- Granted
Links
- 239000004433 Thermoplastic polyurethane Substances 0.000 title claims abstract description 48
- 239000011347 resin Substances 0.000 title claims abstract description 48
- 229920005989 resin Polymers 0.000 title claims abstract description 48
- 239000000956 alloy Substances 0.000 title claims abstract description 27
- 239000004721 Polyphenylene oxide Substances 0.000 title abstract 6
- 229920000570 polyether Polymers 0.000 title abstract 6
- 239000003365 glass fiber Substances 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000004970 Chain extender Substances 0.000 claims abstract description 15
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 12
- 239000011159 matrix material Substances 0.000 claims abstract description 11
- 229930040373 Paraformaldehyde Natural products 0.000 claims abstract description 10
- 229920006324 polyoxymethylene Polymers 0.000 claims abstract description 10
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 10
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 9
- -1 Polyoxymethylene Polymers 0.000 claims abstract description 7
- 230000003647 oxidation Effects 0.000 claims description 11
- 239000003112 inhibitor Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 6
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000005453 pelletization Methods 0.000 claims description 3
- PTPIRFSXRFIROJ-UHFFFAOYSA-N 2-(3-hydroxyphenoxy)ethane-1,1-diol Chemical compound OC(O)COC1=CC=CC(O)=C1 PTPIRFSXRFIROJ-UHFFFAOYSA-N 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- ILHIHKRJJMKBEE-UHFFFAOYSA-N hydroperoxyethane Chemical compound CCOO ILHIHKRJJMKBEE-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 abstract description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract description 2
- 235000019253 formic acid Nutrition 0.000 abstract description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 abstract description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 abstract description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 2
- 238000000354 decomposition reaction Methods 0.000 abstract 2
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000000805 composite resin Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005297 material degradation process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a high-strength high-heat stability sensitive resin/polyether type TPU (Thermoplastic Poly-Urethane) alloy material. The high-strength high-heat stability sensitive resin/polyether type TPU alloy material comprises polyether type TPU, long glass fibers, a sensitive matrix resin, an anti-wear agent, a flow aid, a chain extender and an antioxidant. The highly flowing polyether type TPU and the anti-wear agent are used for improving the flowability of the sensitive resin (POM (Polyoxymethylene) or PVC (Poly Vinyl Chloride), so that the shortcoming of degradation of a sensitive material due to long retention time of the sensitive material is avoided; in addition, the hydroxyl-containing chain extender is added to overcome the shortcoming of reduction of the molecular weight of the TPU due to the processing process and to neutralize formic acid generated by decomposition and oxidization of the POM or hydrogen chloride generated by decomposition of the PVC, and as a result, the processing temperature range of the TPU and the application range of the sensitive material thereof are expanded. The high-strength high-heat stability sensitive resin/polyether type TPU alloy material is simple in process, convenient to operate, high in benefit and applicable to industrial production.
Description
Technical field
The present invention relates to material science, especially a kind of macromolecular material and preparation method thereof.
Background technology
Susceptibility resin is mainly thermally sensitive polyvinyl chloride (PVC) and polyoxymethylene (POM) material, and the too high meeting of processing temperature causes material degradation, and material property is significantly declined, thereby causes its range of application narrow, and produces toxic gas.Therefore the susceptibility resin composite materials of expecting intensity, tenacity excellent is to be difficult to development.Conventionally adopt inorganic particulate and fiber-like to strengthen susceptibility resin, but above-mentioned materials is in improving intensity and reducing costs, the toughness increase rate of matrix material is very little.Employing long fiber reinforcement technology can reduce the cost of material, can increase substantially again mechanical property and " floating fine " phenomenon of material; But common TPU viscosity is large, melting index is less, mobility is poor and hardness is low, and sensitive material is subject to the impact of processing temperature narrow range to make it prepare roving glass fiber to strengthen susceptibility resin/polyether-type TPU alloy material and be restricted.At present, on market, yet there are no susceptibility resin/polyether-type TPU alloy material that roving glass fiber strengthens.
Summary of the invention
The object of the invention is: a kind of high-strength high thermal stability susceptibility resin/polyether-type TPU alloy material and preparation method thereof is provided, it can improve intensity and the rigidity of susceptibility resin, significantly promote its toughness, reduce material friction coefficient, improve its processing characteristics, expand its range of application, to overcome the deficiencies in the prior art.
The present invention is achieved in that a kind of high-strength high thermal stability susceptibility resin/polyether-type TPU alloy material, calculate according to the mass fraction, comprise polyether-type TPU15～25 part, 30～60 parts of roving glass fibers, 20～45 parts of susceptibility matrix resins, 0.3～0.8 part of anti-wear agent, 0.4～0.6 part of flow aids, 0.4～0.6 part, 0.8～1.2 part of chainextender and oxidation inhibitor.
Described susceptibility resin is thermally sensitive polyoxymethylene or polyvinyl chloride.
The melting index of described polyether-type TPU is 25-55g/10min, 200 ℃/2.16Kg, and the shore hardness of TPU (D) is 65～85.
Described flow aids is long-chain polyfunctional group ester.
Described anti-wear agent is ultra-high molecular weight polysiloxane.
The hydroquinone two hydroxy ethyl ether that described chainextender is equivalent and Resorcinol dihydroxyethyl ether composition.
Get each component by above-mentioned mass fraction; By susceptibility matrix resin, polyether-type TPU drying for standby; After dried susceptibility matrix resin and Polyurethane Thermoplastic Elastomer are mixed with lubricant, oxidation inhibitor, mobility properties-correcting agent and chainextender, carry out blending extrusion, by realizing the device that continuous roving glass fiber extrudes, long glass fibres is flooded, cooling rear pelletizing becomes the particle of 8～12 mm, obtains high-strength high thermal stability susceptibility resin/polyether-type TPU alloy material.
The screw rod processing temperature of twin screw extruder is 180～200 ℃, and realizing the unit temp that continuous roving glass fiber extrudes is 200～230 ℃.
The drying temperature of susceptibility resin, polyether-type TPU is 80 ℃, and the time is 30h.
The device on the continuous roving glass fiber of described realization basis specifically adopts disclosed device in the application for a patent for invention that applicant is " 201110453139.8 " at the application number of application before.
Compared with prior art, the present invention has adopted high mobile polyether-type TPU, anti-wear agent to improve the mobility of susceptibility resin (POM or PVC), thereby solves sensitive material because of the long defect that causes sensitive material degraded of profit reduction and reserving time; And by adding the chainextender that contains hydroxyl to improve the defect that causes TPU molecular weight to reduce because of the course of processing, and in and POM decompose oxidation produce formic acid or PVC decompose produce hydrogenchloride, thereby widen its processing temperature scope and sensitive material range of application thereof.Technique of the present invention is simple, easy to operate, and high efficiency is suitable for carrying out suitability for industrialized production.
Embodiment
Embodiments of the invention 1: high-strength high thermal stability susceptibility resin/polyether-type TPU alloy material, calculate according to the mass fraction, comprise 25 parts of Polyurethane Thermoplastic Elastomer, 30 parts of roving glass fibers, POM45 part, 0.8 part of anti-wear agent, 0.5 part of flow aids, 0.5 part, 1.2 parts of chainextenders and oxidation inhibitor.
The trade mark of Polyurethane Thermoplastic Elastomer is 2103-80AE, and melt flow rate is 25-55g/10min(200 ℃/2.16Kg), and the shore hardness of TPU (D) is 65～85;
The trade mark of sensitive resin 1 polyoxymethylene is M90; The trade mark of sensitive resin 2 polyvinyl chloride is SG5; The trade mark of glass fibre is 4301H; The trade mark of anti-wear agent is LUBDE305; The trade mark of flow aids is ADP-1200; The trade mark of chainextender is ADR4300S; The trade mark of oxidation inhibitor is PUB350.
The preparation method of high-strength high thermal stability susceptibility resin/polyether-type TPU alloy material, gets each component by above-mentioned mass fraction; By susceptibility matrix resin, polyether-type TPU drying for standby; After dried susceptibility matrix resin and polyether-type TPU are mixed with anti-wear agent, oxidation inhibitor, mobility properties-correcting agent and chainextender, carry out blending extrusion, by realizing the device that continuous roving glass fiber extrudes, long glass fibres is flooded, cooling rear pelletizing becomes the particle of 8～12 mm, obtains high-strength high thermal stability susceptibility resin/polyether-type TPU alloy material.
The screw rod processing temperature of twin screw extruder is 175～200 ℃, and realizing the unit temp that continuous roving glass fiber extrudes is 200～230 ℃.
The drying temperature of susceptibility resin, polyether-type TPU is 80 ℃, and the time is 30h.
Embodiments of the invention 2: high-strength high thermal stability susceptibility resin/polyether-type TPU alloy material, calculate according to the mass fraction, comprise polyether-type TPU20 part, 40 parts of roving glass fibers, POM40 part, 0.7 part of anti-wear agent, 0.5 part of flow aids, 0.4 part, 1.0 parts of chainextenders and oxidation inhibitor.
Preparation method is with embodiment 1.
Embodiments of the invention 3: high-strength high thermal stability susceptibility resin/polyether-type TPU alloy material, calculate according to the mass fraction, comprise polyether-type TPU15 part, 50 parts of roving glass fibers, POM35 part, 0.5 part of anti-wear agent, 0.4 part of flow aids, 0.6 part, 1.0 parts of chainextenders and oxidation inhibitor.
Preparation method is with embodiment 1.
Embodiments of the invention 4: high-strength high thermal stability susceptibility resin/polyether-type TPU alloy material, calculate according to the mass fraction, comprise polyether-type TPU15 part, 60 parts of roving glass fibers, POM25 part, 0.3 part of anti-wear agent, 0.5 part of flow aids, 0.5 part, 0.8 part of chainextender and oxidation inhibitor.
Preparation method is with embodiment 1.
Salient features test: the product of producing is made standard testing batten according to standard, carry out every test, the performance test results of high-strength high thermal stability susceptibility resin/polyether-type TPU alloy material is as shown in table 1, and the performance test results of high-strength high thermal stability susceptibility resin/PVC alloy material is as shown in table 2.
Claims (9)
1. high-strength high thermal stability susceptibility resin/polyether-type TPU alloy material, it is characterized in that: calculate according to the mass fraction, comprise polyether-type TPU15～25 part, 30～60 parts of roving glass fibers, 20～45 parts of susceptibility matrix resins, 0.3～0.8 part of anti-wear agent, 0.4～0.6 part of flow aids, 0.4～0.6 part, 0.8～1.2 part of chainextender and oxidation inhibitor.
2. the high-strength high thermal stability susceptibility resin/polyether-type of one according to claim 1 TPU alloy material, is characterized in that: described susceptibility resin is thermally sensitive polyoxymethylene or polyvinyl chloride.
3. the high-strength high thermal stability susceptibility resin/polyether-type of one according to claim 1 TPU alloy material, is characterized in that: the melting index of described polyether-type TPU is 25-55g/10min, 200 ℃/2.16Kg, and the shore hardness D of TPU is 65～85.
4. the high-strength high thermal stability susceptibility resin/polyether-type of one according to claim 1 TPU alloy material, is characterized in that: described flow aids is long-chain polyfunctional group ester.
5. the high-strength high thermal stability susceptibility resin/polyether-type of one according to claim 1 TPU alloy material, is characterized in that: described anti-wear agent is ultra-high molecular weight polysiloxane.
6. the alloy material material of a kind of high-strength high thermal stability susceptibility resin/polyether-type TPU according to claim 1, is characterized in that: the hydroquinone two hydroxy ethyl ether that described chainextender is equivalent and Resorcinol dihydroxyethyl ether composition.
7. the preparation method of a kind of high-strength high thermal stability susceptibility resin/polyether-type TPU alloy material as claimed in claim 1, is characterized in that: get each component by above-mentioned mass fraction; By susceptibility matrix resin, Polyurethane Thermoplastic Elastomer drying for standby; After dried susceptibility matrix resin and polyether-type TPU are mixed with anti-wear agent, oxidation inhibitor, mobility properties-correcting agent and chainextender, carry out blending extrusion, by realizing the device that continuous roving glass fiber extrudes, long glass fibres is flooded, cooling rear pelletizing becomes the particle of 8～12 mm, obtains high-strength high thermal stability TPU and susceptibility matrix material.
8. the preparation method of a kind of high-strength high thermal stability susceptibility resin/polyether-type TPU alloy material according to claim 5, it is characterized in that: the screw rod processing temperature of twin screw extruder is 180～200 ℃, realizing the unit temp that continuous roving glass fiber extrudes is 200～230 ℃.
9. the preparation method of a kind of high-strength high thermal stability susceptibility resin/polyether-type TPU alloy material according to claim 5, is characterized in that: susceptibility resin, polyether-type TPU drying temperature are 80 ℃, and the time is 30h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410094965.1A CN103819869B (en) | 2014-03-16 | 2014-03-16 | A kind of high-strength high thermal stability sensitivity resin/polyether-type TPU alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410094965.1A CN103819869B (en) | 2014-03-16 | 2014-03-16 | A kind of high-strength high thermal stability sensitivity resin/polyether-type TPU alloy material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103819869A true CN103819869A (en) | 2014-05-28 |
| CN103819869B CN103819869B (en) | 2016-07-06 |
Family
ID=50755176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410094965.1A Active CN103819869B (en) | 2014-03-16 | 2014-03-16 | A kind of high-strength high thermal stability sensitivity resin/polyether-type TPU alloy material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103819869B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106879088A (en) * | 2017-01-25 | 2017-06-20 | 浙江环龙新材料科技有限公司 | A kind of compound TPU film of conductive carbon fibre electrothermal cloth film for puncturing function with proof voltage |
| CN112226068A (en) * | 2020-10-29 | 2021-01-15 | 南通纳科达聚氨酯科技有限公司 | Super-hydrophobic wear-resistant TPU film and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102532864A (en) * | 2010-12-07 | 2012-07-04 | 合肥杰事杰新材料股份有限公司 | Continuous long fiber reinforced thermoplastic polyurethane material and preparation method thereof |
-
2014
- 2014-03-16 CN CN201410094965.1A patent/CN103819869B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102532864A (en) * | 2010-12-07 | 2012-07-04 | 合肥杰事杰新材料股份有限公司 | Continuous long fiber reinforced thermoplastic polyurethane material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王士才等: "反应挤出聚氨醋改性PVC材料的研制及性能研究", 《材料导报》, vol. 12, no. 4, 15 August 1998 (1998-08-15), pages 56 - 60 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106879088A (en) * | 2017-01-25 | 2017-06-20 | 浙江环龙新材料科技有限公司 | A kind of compound TPU film of conductive carbon fibre electrothermal cloth film for puncturing function with proof voltage |
| CN112226068A (en) * | 2020-10-29 | 2021-01-15 | 南通纳科达聚氨酯科技有限公司 | Super-hydrophobic wear-resistant TPU film and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103819869B (en) | 2016-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104177829B (en) | Toughened antiwear composite and preparation method thereof | |
| CN103087468A (en) | Polyether-ether-ketone composite material with high heat resistance and high wear resistance and preparation process thereof | |
| CN104610631A (en) | Ultra-thin resin foamed sheet as well as production method and application thereof | |
| CN103819829A (en) | High-performance engineering plastic/polyester type TPU (thermoplastic polyurethane) alloy material and preparation method thereof | |
| CN104987677A (en) | Hollow glass bead modified PBT (Polybutylene Terephthalate) composite material and preparation method therefor | |
| Gong et al. | Toughening effect of cellulose nanowhiskers on polyvinyl acetate: fracture toughness and viscoelastic analysis | |
| CN104629338A (en) | Permanently antistatic PC/ABS modified alloy, and preparation method thereof | |
| CN103589059A (en) | Radiation crosslinking polypropylene heat shrinkable belt base material | |
| CN103013075A (en) | PET (polyethylene terephthalate) composite material as well as preparation method and application thereof | |
| CN103772796A (en) | Expanded graphite modified injection molding grade ultra-high molecular weight polyethylene and preparation method thereof | |
| CN103289342A (en) | High heat conduction reinforced PC/PBT alloy | |
| CN102585495A (en) | Hydrolysis-resistant glass fiber reinforced polyamide 66 (PA66) composite material and preparation method thereof | |
| CN113717453A (en) | Graphene conductive polymer composite material for carrier roller, preparation method and application | |
| CN103819869A (en) | High-strength high-heat stability sensitive resin/polyether type TPU (Thermoplastic Poly-Urethane) alloy material | |
| CN105295152A (en) | Boneless windshield wiper rubber strip special material having low noise, high wear resistance and high adhesive power and preparation method thereof | |
| CN106279862A (en) | A kind of antibacterial pipeline of self-lubricating ultrahigh molecular weight polyethylene abrasion-proof | |
| CN111117221A (en) | Low-water-absorption composite material and preparation method thereof | |
| CN103435898B (en) | TPO leather substance | |
| CN102585475A (en) | High-transparent anti-wear anti-scraping PC (Poly Carbonate) material and preparation method thereof | |
| CN104479279A (en) | Composite material for preparing textile plastic pipe | |
| CN103524941A (en) | Wear-resistant scratch-resistant plastic | |
| Li et al. | The mechanical and tribological properties of MAH-grafted HDPE-filled clay/PEI composites | |
| CN105504530A (en) | Wear-resistant polypropylene composite material and preparation method thereof | |
| CN104893176A (en) | CNT (carbon nano-tube)-based polymer modified cable material with hollow glass beads added as well as preparation method of cable material | |
| CN108727764A (en) | A kind of graphene heat conduction masterbatch and preparation method for elastomeric material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB02 | Change of applicant information |
Inventor after: Zhang Daohai Inventor after: Guo Jianbing Inventor after: Qu Jin Inventor after: Wu Bin Inventor after: Qin Shuhao Inventor before: Guo Jianbing Inventor before: Zhang Daohai Inventor before: Qu Jin Inventor before: Wu Bin Inventor before: Qin Shuhao |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161219 Address after: Anshun City, Guizhou province Pingba District 561000 summer cloud dragon Industrial Park Road No. 1 Patentee after: KANGMINGYUAN (GUIZHOU) TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 550014 Baiyun District, Baiyun District, Guizhou, Guiyang new material industrial park, No. A2-6 Patentee before: GUIZHOU MATERIAL INDUSTRIAL TECHNOLOGY INSTITUTE |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A high strength and high thermal stability sensitive resin / polyether TPU alloy Effective date of registration: 20200806 Granted publication date: 20160706 Pledgee: Huangshong branch of rural credit cooperative association of Pingba District, Anshun City Pledgor: KANGMINGYUAN (GUIZHOU) TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2020980004735 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220915 Granted publication date: 20160706 Pledgee: Huangshong branch of rural credit cooperative association of Pingba District, Anshun City Pledgor: KANGMINGYUAN (GUIZHOU) TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2020980004735 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A High Strength and High Thermal Stability Sensitive Resin/Polyether TPU Alloy Material Effective date of registration: 20230810 Granted publication date: 20160706 Pledgee: Xiaohe Sub-branch of Guiyang Rural Commercial Bank Co.,Ltd. Pledgor: KANGMINGYUAN (GUIZHOU) TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2023980051583 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |