CN104693824A - Cable asphalt and preparation method thereof - Google Patents
Cable asphalt and preparation method thereof Download PDFInfo
- Publication number
- CN104693824A CN104693824A CN201510119485.0A CN201510119485A CN104693824A CN 104693824 A CN104693824 A CN 104693824A CN 201510119485 A CN201510119485 A CN 201510119485A CN 104693824 A CN104693824 A CN 104693824A
- Authority
- CN
- China
- Prior art keywords
- cable
- asphalt
- cable asphalt
- petroleum pitch
- formula
- 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
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses cable asphalt and a preparation method thereof. The cable asphalt is prepared from the following components in proportion by weight: 98-194 parts of petroleum asphalt, 10-60 parts of additive, 3-7 parts of modifier, 2-5 parts of polymer and 2-10 parts of rubber powder. The preparation method of the cable asphalt comprises the following steps: (1) performing oxidation reaction on the petroleum asphalt and the additive under the action of the modifier to obtain oxidized petroleum asphalt; (2) mixing the oxidized petroleum asphalt, polymer and rubber powder, and stirring and developing to obtain the cable asphalt. The cable asphalt does not contain solid particle precipitates and has good performance; the needle penetration (0.1mm) of the cable asphalt at 25 DEG C is about 60, the needle penetration is higher at the same softening point, and the coating performance is better on the premise that the high-temperature performance is guaranteed; the low-temperature cold bending is qualified at 10 DEG C below zero, the low-temperature performance is better, and the performance of the cable asphalt can be kept under a low-temperature environment; after heat is stored at 200 DEG C, the softening point and the needle penetration of the cable asphalt are kept unchanged, and the safety in use is guaranteed under the continuous high-temperature environment; the cable asphalt is used for the outermost layer of a power transmission cable and have corrosion resistance and protection effects.
Description
Technical field
The present invention relates to a kind of cable asphalt and preparation method thereof, belong to petrochemical complex processing technique field.
Background technology
Cable asphalt is as a kind of special asphalt, and it has the market requirement widely.Many producers, in order to change ways to cater to market de-mands, often by soft or hard two kinds of pitches mediation substitutes, cause cable asphaltic products. quality on market very different.Traditional cable asphalt product processes adopts catalytic oxidation technique to be prepared, and the catalytic oxidation technique of pitch was just born as far back as 1930's, and its key problem in technology is the selection of catalyzer.Iron trichloride is first catalyzer being indicated in report, and soon, Vanadium Pentoxide in FLAKES is also used as air blowing of asphalt catalyzer.Afterwards, existing nearly hundred kinds of catalyzer are in the news, and more famous here have: aluminum chloride, zinc chloride, bromic acid, iron protochloride, Phenylsulfonic acid, metal oxide, sodium carbonate, sodium bicarbonate, cupric sulfide and boric acid etc. mainly Indian red, the Vanadium Pentoxide in FLAKES etc. of being wherein used widely.Be suitable for business's feedback through too much household electrical appliances cable pitch, the domestic cable asphalt adopting above catalytic oxidation technique to prepare there will be the throw out being difficult to remove in free asphalt-melting furnace after a time, affects to cable asphalt performance.At present, need the defect improving above cable asphalt, but the cable asphalt of preparation still meets SH/T0001-1990 standard.
Summary of the invention
The object of this invention is to provide a kind of cable asphalt and preparation method thereof, can not residual solids throw out in cable asphalt of the present invention, and its penetration degree (25 DEG C, 0.1mm) in about 60 (SH/T0001-1990 standard is more than 35), under identical softening temperature, the penetration degree of cable asphalt of the present invention is larger, illustrate that cable asphalt of the present invention is under the prerequisite ensureing high-temperature behavior, wraps up in attached performance better.
Cable asphalt provided by the invention, be made up of the component of following quality proportioning:
Petroleum pitch 98 ~ 194;
Additive 10 ~ 60;
Properties-correcting agent 3 ~ 7;
Polymkeric substance 2 ~ 5;
Rubber powder 2 ~ 10.
Cable asphalt of the present invention can be made up of the component of following quality proportioning:
Petroleum pitch 98 ~ 194, specifically can be 100;
Additive 45 ~ 50, specifically can be 40,45 or 50;
Properties-correcting agent 4.5 ~ 5, specifically can be 4.5 or 5;
Polymkeric substance 2.5 ~ 3, specifically can be 2.5,3 or 3.5;
Rubber powder 2 ~ 10, specifically can be 5.
Above-mentioned cable asphalt, the penetration degree of described petroleum pitch can be 90 ~ 1101/10mm, specifically can be 901/10mm;
In the present invention, described petroleum pitch refers to and is obtained through oxidation and blending through atmospheric and vacuum distillation or resistates by crude oil.
Described additive can be and subtracts four line distilled oils, it is more reasonable that described additive makes the component of described cable asphalt distribute, compared with making the index routinely of cable asphalt of the present invention and not adding the cable asphalt of described additive, when same needle in-degree, more high and low temperature performance is better for its softening temperature.
Above-mentioned cable asphalt, described properties-correcting agent can be mineral acid.
Above-mentioned cable asphalt, described mineral acid can be polyphosphoric acid or phosphoric acid, P in described polyphosphoric acid
2o
5content is greater than 80%, and the molecular weight of described polyphosphoric acid is 330 ~ 340.
Above-mentioned cable asphalt, described polymkeric substance can be the mixture of star copolymer and line-type block polymer;
The mass ratio of described star copolymer and described line-type block polymer can be 1:1.5 ~ 3, specifically can be 1:1.5,1:2.5 or 1:1.5 ~ 2.5.
Above-mentioned cable asphalt, the structural formula of described star copolymer can be formula I,
(AB) nX formula I
The structural formula of described line-type block polymer can be formula II,
ABA formula II
In formula I and formula II, A can be polystyrene chain, and B can be polyhutadiene chain, n be 3 or 4, X be coupling agent residue, wherein coupling agent is trichlorosilane or tetrachloro silicane;
The weight-average molecular weight of described star copolymer can be 20 ~ 250,000, and the weight-average molecular weight of described line-type block polymer can be 8 ~ 250,000, and in described line-type block polymer, the block weight ratio of A/B is 1:2 ~ 4, specifically can be 31:69.
Above-mentioned cable asphalt, the particle diameter of described rubber powder can be 40 ~ 80 orders, specifically can be 60 orders.
In the present invention, described rubber powder refers to the rubber powder that junked tire processes.
Cable asphalt of the present invention, specifically can be made up of the component of following quality proportioning: the petroleum pitch of 100 mass parts, the additive of 45 mass parts, the properties-correcting agent of 4.5 mass parts, the polymkeric substance of 2.5 mass parts, the rubber powder of 5 mass parts; Also can be made up of the component of following quality proportioning: the petroleum pitch of 100 mass parts, the additive of 40 mass parts, the properties-correcting agent of 5 mass parts, the polymkeric substance of 3.5 mass parts, the rubber powder of 5 mass parts; Or can be made up of the component of following quality proportioning: the petroleum pitch of 100 mass parts, the additive of 50 mass parts, the properties-correcting agent of 5 mass parts, the polymkeric substance of 3 mass parts, the rubber powder of 5 mass parts.
Present invention also offers the preparation method of above-mentioned cable asphalt, comprise the steps: 1) under the effect of described properties-correcting agent, described petroleum pitch and described additive generation oxidizing reaction, obtain the petroleum pitch be oxidized;
2) petroleum pitch of described oxidation, described polymkeric substance and described rubber powder are mixed, growing through stirring, namely obtaining described cable asphalt.
Above-mentioned preparation method, step 2) in also comprise the petroleum pitch of described oxidation and described polymkeric substance stirred and the step sheared;
Adopt shears to carry out described shearing 1h in the present invention, the rotating speed of described shears can be 3000 ~ 5000RPM, specifically can be 3500RPM.
Above-mentioned cable asphalt, step 1) in, the condition of described oxidizing reaction is:
Temperature can be 190 ~ 220 DEG C, specifically can be 194 ~ 205 DEG C,
The time of ventilation oxidation can be 3 ~ 5h, specifically can be 4h,
Ventilation can be 1 ~ 3Lmin
-1kg
-1; Specifically can be 2Lmin
-1kg
-1,
Step 2) in, the condition of described growth is:
Temperature can be 160 ~ 200 DEG C, specifically can be 190 DEG C
Time can be 3 ~ 8h, specifically can be 4h.
Cable asphalt prepared by the present invention: softening temperature is between 85 ~ 100 DEG C, penetration degree (0.1mm, 25 DEG C) be not less than 50, flash-point (opening, DEG C) be not less than 260 DEG C, sag (70 DEG C, mm) be not more than 60, clod wash (-10 DEG C) is qualified, adhesion rate (0 DEG C, %) be not less than 95, heat storage post softening point raises (DEG C) and is not more than 15.
The present invention has the following advantages:
(1) cable asphalt of the present invention's production, solid deposits can not be produced when melting in smelting furnace, make to there will not be in smelting furnace the throw out being difficult to remove, not containing solid particles sediment thing in the cable asphalt of preparation, cable performance prepared by cable asphalt is good.
(2) compared with the cable asphalt that prepared by the cable asphalt prepared of the present invention and prior art, 25 DEG C of penetration degrees (0.1mm) are in about 60 (SH/T0001-1990 standard is more than 35), under identical softening temperature, the penetration degree of cable asphalt of the present invention is larger, illustrate that cable asphalt of the present invention is under the prerequisite ensureing high-temperature behavior, wrap up in attached performance better, be easy to construction.
(3) cable asphalt low temperature of the present invention clod wash is qualified at-10 DEG C, and low-temperature performance is better, keeps its performance under ensureing to wait low temperature environment in the winter time.
(4) cable asphalt of the present invention is after 200 DEG C of heat storages, and its softening temperature and penetration degree remain unchanged substantially, under ensure that continuous high temperature environment in summer, and the security of use.
(5) cable asphalt of the present invention is used for the outermost layer of feeder cable, plays anticorrosion and provide protection, makes feeder cable safer.
Accompanying drawing explanation
Fig. 1 is the cable asphalt prepared in the embodiment of the present invention schematic diagram for cable covering.
Embodiment
The experimental technique used in following embodiment if no special instructions, is ordinary method.
Material used in following embodiment, reagent etc., if no special instructions, all can obtain from commercial channels.
In following embodiment, (structural formula is ABA type to LG type SBS, A/B block weight ratio is 31:69, weight-average molecular weight can be 8 ~ 250,000) and 411 star-shaped sbs (structural formula is (AB) nX type, and weight-average molecular weight can be 20 ~ 250,000) be all purchased from LG chemical company of Korea S.
P in polyphosphoric acid in following embodiment
2o
5content is greater than 80%, and its molecular weight is 330 ~ 340.
The preparation of embodiment 1, cable asphalt
The 90# petroleum pitch (namely penetration degree is 901/10mm) of 100 mass parts is heated to 140 ~ 160 DEG C to flow state, under the state stirred, add the additive (subtracting four line distilled oils) of 45 mass parts and the polyphosphoric acid of 4.5 mass parts; Then being warming up to 194 ~ 205 DEG C, ventilation is 2Lmin
-1kg
-1under condition, carry out oxidizing reaction 4h; Then under 190 DEG C of conditions, add the polymkeric substance of 2.5 mass parts, shearing manipulation 1h is carried out by shears (rotating speed is 4500RPM), in the process sheared, add 60 object rubber powders of 5 mass parts gradually, then, under 190 DEG C of conditions, stir growth 4 hours, namely obtain cable asphalt.Wherein, polymkeric substance is the mixture of LG type SBS and LG401 star-shaped sbs, and weight ratio is 1:1.5.
The product performance of cable asphalt prepared by the present embodiment, as shown in table 1, the indices of cable asphalt of the present invention all meets the requirement of SH/T0001-1990 standard, but 25 of cable asphalt prepared by the present invention DEG C of penetration degrees (0.1mm) are 60, be 35 higher than the 25 DEG C of penetration degrees (0.1mm) required in SH/T0001-1990 standard.
As shown in Figure 1, cable asphalt prepared by the present invention, for the outermost layer protective layer of cable, plays anticorrosion and provide protection to cable.
The preparation of embodiment 2, cable asphalt
The 90# petroleum pitch of 100 mass parts is heated to 140 ~ 160 DEG C to flow state, under the state stirred, adds the additive (subtracting four line distilled oils) of 40 mass parts and the polyphosphoric acid of 5 mass parts; Then being warming up to 194 ~ 205 DEG C, ventilation is 2Lmin
-1kg
-1under condition, carry out oxidizing reaction 4h; Then under 190 DEG C of conditions, add the polymkeric substance of 3.5 mass parts, carry out shearing manipulation 1h by shears (rotating speed is 3500RPM), when shearing, progressively add 60 object rubber powders of 5 mass parts, then under 190 DEG C of conditions, stir growth 4 hours, namely obtain cable asphalt.Wherein, polymkeric substance is the mixture of LG type SBS and LG401 star-shaped sbs, and weight ratio is 1:1.5.
The product performance of cable asphalt prepared by the present embodiment, as shown in table 1, the indices of cable asphalt of the present invention all meets the requirement of SH/T0001-1990 standard, but 25 of cable asphalt prepared by the present invention DEG C of penetration degrees (0.1mm) are 61, be 35 higher than the 25 DEG C of penetration degrees (0.1mm) required in SH/T0001-1990 standard.
The preparation of embodiment 3, cable asphalt
The 90# petroleum pitch of 100 mass parts is heated to 140 ~ 160 DEG C to flow state, under the state stirred, adds the additive (subtracting four line distilled oils) of 50 mass parts and the polyphosphoric acid of 5 mass parts; Then being warming up to 194 ~ 205 DEG C, ventilation is 2Lmin
-1kg
-1under condition, carry out oxidizing reaction 4h; Then under 190 DEG C of conditions, add the polymkeric substance of 3 mass parts, carry out shearing manipulation 1h by shears (rotating speed is 4000RPM), in the process sheared, progressively add the rubber powder of 5 mass parts, then under 190 DEG C of conditions, stir growth 4 hours, namely obtain cable asphalt.Wherein, polymkeric substance is the mixture of LG type SBS and LG401 star-shaped sbs, and weight ratio is 1:1.5.
The product performance of cable asphalt prepared by the present embodiment, as shown in table 1, the indices of cable asphalt of the present invention all meets the requirement of SH/T0001-1990 standard, but 25 of cable asphalt prepared by the present invention DEG C of penetration degrees (0.1mm) are 63, be 35 higher than the 25 DEG C of penetration degrees (0.1mm) required in SH/T0001-1990 standard.
The preparation of embodiment 4, cable asphalt
The 90# petroleum pitch of 100 mass parts is heated to 140 ~ 160 DEG C to flow state, under the state stirred, adds the additive (subtracting four line distilled oils) of 50 mass parts and the polyphosphoric acid of 5 mass parts; Then being warming up to 194 ~ 205 DEG C, ventilation is 2Lmin
-1kg
-1under condition, carry out oxidizing reaction 4h; Then under 190 DEG C of conditions, add the polymkeric substance of 3 mass parts, carry out shearing manipulation 1h by shears (rotating speed is 4000RPM), in the process sheared, progressively add the rubber powder of 5 mass parts, then under 190 DEG C of conditions, stir growth 4 hours, namely obtain cable asphalt.Wherein, polymkeric substance is the mixture of LG type SBS and LG401 star-shaped sbs, and weight ratio is 1:2.5.
The product performance of cable asphalt prepared by the present embodiment, as shown in table 1, the indices of cable asphalt of the present invention all meets the requirement of SH/T0001-1990 standard, but 25 of cable asphalt prepared by the present invention DEG C of penetration degrees (0.1mm) are 58, be 35 higher than the 25 DEG C of penetration degrees (0.1mm) required in SH/T0001-1990 standard.
The character of cable asphalt product in table 1 embodiment
The technical requirements (SH/T0001-1990) of table 2 cable asphalt
Table 2 is the technical requirements of cable asphalt, contrast table 1 and table 2 known, cable asphalt product prepared by the present invention, meets the requirement of the cable asphalt that national standard SH/T0001-1990 specifies.
Claims (10)
1. a cable asphalt, is characterized in that: described cable asphalt is made up of the component of following quality proportioning:
Petroleum pitch 98 ~ 194;
Additive 10 ~ 60;
Properties-correcting agent 3 ~ 7;
Polymkeric substance 2 ~ 5;
Rubber powder 2 ~ 10.
2. cable asphalt according to claim 1, is characterized in that: the penetration degree of described petroleum pitch is 90 ~ 1101/10mm;
Described additive is for subtracting four line distilled oils.
3. cable asphalt according to claim 1 and 2, is characterized in that: described properties-correcting agent is mineral acid.
4. cable asphalt according to claim 3, is characterized in that: described mineral acid is polyphosphoric acid or phosphoric acid.
5. the cable asphalt according to any one of claim 1-4, is characterized in that: described polymkeric substance is the mixture of star copolymer and line-type block polymer;
The mass ratio of described star copolymer and described line-type block polymer is 1:1.5 ~ 3.
6. cable asphalt according to claim 5, is characterized in that: the structural formula of described star copolymer is formula I,
(AB) nX formula I
The structural formula of described line-type block polymer is formula II,
ABA formula II
In formula I and formula II, A is polystyrene chain, and B is polyhutadiene chain, n be 3 or 4, X be coupling agent residue, wherein coupling agent is trichlorosilane or tetrachloro silicane;
The weight-average molecular weight of described star copolymer is 20 ~ 250,000, and the weight-average molecular weight of described line-type block polymer is 8 ~ 250,000, and in described line-type block polymer, the block weight ratio of A/B is 1:2 ~ 4.
7. the cable asphalt according to any one of claim 1-6, is characterized in that: the particle diameter of described rubber powder is 40 ~ 80 orders.
8. the preparation method of the cable asphalt according to any one of claim 1-7, comprises the steps: 1) under the effect of described properties-correcting agent, described petroleum pitch and described additive generation oxidizing reaction, obtain the petroleum pitch be oxidized;
2) petroleum pitch of described oxidation, described polymkeric substance and described rubber powder are mixed, growing through stirring, namely obtaining described cable asphalt.
9. preparation method according to claim 8, is characterized in that: step 1) before to be also included in temperature be, under 140 ~ 160 DEG C of conditions, described petroleum pitch is heated to flow state;
Step 2) in also comprise the petroleum pitch of described oxidation and described polymkeric substance stirred and the step sheared.
10. cable asphalt according to claim 8 or claim 9, is characterized in that: step 1) in, the condition of described oxidizing reaction is:
Temperature is 190 ~ 220 DEG C,
The time of ventilation oxidation is 3 ~ 5h,
Ventilation is 1 ~ 3Lmin
-1kg
-1;
Step 2) in, the condition of described growth is:
Temperature is 160 ~ 200 DEG C,
Time is 3 ~ 8h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510119485.0A CN104693824B (en) | 2015-03-18 | 2015-03-18 | A kind of cable asphalt and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510119485.0A CN104693824B (en) | 2015-03-18 | 2015-03-18 | A kind of cable asphalt and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104693824A true CN104693824A (en) | 2015-06-10 |
| CN104693824B CN104693824B (en) | 2016-10-12 |
Family
ID=53341393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510119485.0A Active CN104693824B (en) | 2015-03-18 | 2015-03-18 | A kind of cable asphalt and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104693824B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041561A (en) * | 2018-01-17 | 2019-07-23 | 中国石油化工股份有限公司 | Low cis polybutadiene rubber and preparation method thereof and anti-aging agent and its application |
| CN113231248A (en) * | 2021-05-17 | 2021-08-10 | 中天科技海缆股份有限公司 | Coating device and method for cable protective layer |
| CN114836050A (en) * | 2022-05-18 | 2022-08-02 | 中国石油大学(华东) | Submarine cable asphalt and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101104739A (en) * | 2007-06-27 | 2008-01-16 | 中国海洋石油总公司 | Gelatine powder modified asphalt and processing method thereof |
| CN101479344A (en) * | 2006-05-31 | 2009-07-08 | 伊诺弗斯公司 | Method for preparing an improved bitumen by addition of polyphosphoric acid and cross-linkable polymer background |
| CN103232713A (en) * | 2013-05-03 | 2013-08-07 | 中海油（青岛）重质油加工工程技术研究中心有限公司 | Large-aperture permeable asphalt and preparation method thereof |
| CN103305014A (en) * | 2013-05-06 | 2013-09-18 | 中海油（青岛）重质油加工工程技术研究中心有限公司 | SBS (stimulated brillouin scattering) modified asphalt and preparation method thereof |
| US20140366774A1 (en) * | 2013-06-13 | 2014-12-18 | Ceca S.A. | Additives for industrial bitumen |
-
2015
- 2015-03-18 CN CN201510119485.0A patent/CN104693824B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101479344A (en) * | 2006-05-31 | 2009-07-08 | 伊诺弗斯公司 | Method for preparing an improved bitumen by addition of polyphosphoric acid and cross-linkable polymer background |
| CN101104739A (en) * | 2007-06-27 | 2008-01-16 | 中国海洋石油总公司 | Gelatine powder modified asphalt and processing method thereof |
| CN103232713A (en) * | 2013-05-03 | 2013-08-07 | 中海油（青岛）重质油加工工程技术研究中心有限公司 | Large-aperture permeable asphalt and preparation method thereof |
| CN103305014A (en) * | 2013-05-06 | 2013-09-18 | 中海油（青岛）重质油加工工程技术研究中心有限公司 | SBS (stimulated brillouin scattering) modified asphalt and preparation method thereof |
| US20140366774A1 (en) * | 2013-06-13 | 2014-12-18 | Ceca S.A. | Additives for industrial bitumen |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041561A (en) * | 2018-01-17 | 2019-07-23 | 中国石油化工股份有限公司 | Low cis polybutadiene rubber and preparation method thereof and anti-aging agent and its application |
| CN113231248A (en) * | 2021-05-17 | 2021-08-10 | 中天科技海缆股份有限公司 | Coating device and method for cable protective layer |
| CN114836050A (en) * | 2022-05-18 | 2022-08-02 | 中国石油大学(华东) | Submarine cable asphalt and preparation method thereof |
| CN114836050B (en) * | 2022-05-18 | 2023-09-08 | 中国石油大学(华东) | Submarine cable asphalt and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104693824B (en) | 2016-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103589281B (en) | A kind of fire-resistant anticorrosion paint based on Graphene and preparation method thereof | |
| CN104693824A (en) | Cable asphalt and preparation method thereof | |
| CN112795191A (en) | High CTI polyphenylene sulfide composite material and preparation method thereof | |
| MX2012005956A (en) | Preparation of industrial asphalt. | |
| CN104194145A (en) | Environment-friendly nano modified halogen-free flame retardant polypropylene and preparation method thereof | |
| CN101570611A (en) | Nuclear power 1E-level K3-type thermal shrinkage material and preparation process | |
| CN101724277B (en) | Flame retarding asphalt composition for roads and preparation method thereof | |
| CN109880176B (en) | Low temperature cerammed polymer-based composites | |
| CN109777128A (en) | A kind of high isoparaffin Wax-for preventing rubber and preparation method thereof | |
| CN103849413B (en) | Asphalt additive, modified pitch, and preparation method thereof, the preparation method of application and pitch carbide | |
| CN103881185A (en) | Fire-retardant modified polyethylene material and preparation method thereof | |
| CN104862549A (en) | Silicon-aluminum intermediate alloy AlSi50 and preparation method thereof | |
| CN116462903A (en) | High-flame-retardance low-heat-release polyolefin sheath material and preparation method thereof | |
| CN103709657A (en) | Halogen-free flame retardant PC/PET alloy material and preparation method thereof | |
| CN103173124B (en) | A kind of metal rust-proofing wax based on emulsifying wax and preparation method thereof | |
| CN103509253A (en) | Submerged pump cable rubber sheath rubber composition | |
| CN102702660B (en) | Halogen-free and flame retardant ACS (Acrylonitrile-Chlorinated polyethylene-Styrene)/PC (Poly Carbonate) alloy | |
| CN107759926B (en) | Flame-retardant smoke-suppression type PVC (polyvinyl chloride) with phosphomolybdate and preparation method thereof | |
| CN107858096A (en) | A kind of high temperature resistant waterproof coating and preparation method thereof | |
| CN105351413A (en) | High-temperature-resistant organic friction lining of automobile brake and manufacturing method of friction lining | |
| CN104277408B (en) | Halogen-free flameproof oligocene ether content plug material and preparation method thereof | |
| CN109836835B (en) | Ceramic modified asphalt insulating tape | |
| CN104726180A (en) | High temperature resistant synthetic lubricating oil for aeroengines, and production method thereof | |
| CN105802125A (en) | Flame-retardant high-temperature-resistant boron phenolic resin composition and preparation method thereof | |
| WO2017075744A1 (en) | Compound additive for preventing spontaneous combustion of diesel antiwear agent |
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 | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170302 Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Patentee after: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee after: CNOOC RESEARCH INSTITUTE OF REFINING AND PETROCHEMICALS (BEIJING) Co.,Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Patentee before: CHINA OFFSHORE OIL & GAS DEVELOPMENT & UTILIZATION Co. Patentee before: CNOOC (QINGDAO) HEAVY OIL PROCESSING ENGINEERING TECHNOLOGY RESEARCH CENTER Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: CNOOC RESEARCH INSTITUTE OF REFINING AND PETROCHEMICALS (BEIJING) Co.,Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: CNOOC RESEARCH INSTITUTE OF REFINING AND PETROCHEMICALS (BEIJING) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180528 Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: CNOOC RESEARCH INSTITUTE OF REFINING AND PETROCHEMICALS (BEIJING) Co.,Ltd. Co-patentee after: CNOOC (QINGDAO) HEAVY OIL PROCESSING ENGINEERING TECHNOLOGY RESEARCH CENTER Co.,Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: CNOOC RESEARCH INSTITUTE OF REFINING AND PETROCHEMICALS (BEIJING) Co.,Ltd. |