CN102643474A - Polyethylene mixing material for high-cohesive-force electrolytic cathode plate sealing strip and preparation method thereof - Google Patents
Polyethylene mixing material for high-cohesive-force electrolytic cathode plate sealing strip and preparation method thereof Download PDFInfo
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- CN102643474A CN102643474A CN2012101393140A CN201210139314A CN102643474A CN 102643474 A CN102643474 A CN 102643474A CN 2012101393140 A CN2012101393140 A CN 2012101393140A CN 201210139314 A CN201210139314 A CN 201210139314A CN 102643474 A CN102643474 A CN 102643474A
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- Prior art keywords
- negative plate
- mixing material
- vilaterm
- high adhesion
- sealed strip
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- 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
- B29C2948/92904—Die; Nozzle zone
Abstract
The invention provides a polyethylene mixing material for a high-cohesive-force electrolytic cathode plate sealing strip and a preparation method thereof, which belong to the technical field of plastic processing and application and the technical field of wet electrolysis of metal including copper and the like. The polyethylene mixing material for producing the electrolytic cathode plate sealing strip comprises, by weight: 100 parts of polyethylene resin, 0.1-20 parts of linear low-density polyethylene resin, 0.1-10 parts of functional polymers, 0.1-1 part of antioxygen, 0.05-1 part of metal deactivator and appropriate parts of colorants. The mixing material has the advantages of being long in service life, high in cohesive strength with a cathode plate and the like.
Description
Technical field
The present invention relates to high adhesion electrolytic negative plate sealed strip with Vilaterm mixing material and preparation method, it is good to have with the negative plate adhesive property, and the characteristics that the life-span is long belong to the wet method electrolysis tech field of metals such as plastics processing and application technology and copper.
Background technology
At present, suitability for industrialized production high purity copper, manganese, zinc mainly adopt electrolytic method.Wherein, important production parts are negative plate, introduce negative charge through electrode, and bivalent cupric ion or mn ion, zine ion reduce on negative plate and form copper, manganese, zinc, through the unit of delaminating cathode copper are peeled then, form highly purified metal.Negative plate mainly adopts stainless steel or titanium to process, and for reaching the purpose of insulation, shape of product rule, need add one deck insulated enclosure bar on the both sides of negative plate.
The working method of sealed strip has two kinds: 1) through forcing machine the Vilaterm fusion is directly extruded and be attached on the negative plate cooling then; 2) produce the insulated enclosure bar earlier, be set on the negative plate then.Produce the insulated enclosure bar through first method; There is the shortcoming with metal polar plate viscosifying power difference in the polythene material of manufacturer's use at present; Owing to electrolyte temperature higher (the electrolytic copper temperature is generally at 65 ℃) in the electrolyzer, material receives thermo-oxidative ageing simultaneously, exists in the electrolytic solution in addition and contains transition metal; Make degradation process quicken, the sealed strip life-span of producing in this way is generally about 3 months.After the insulated enclosure bar was aging, deformity appearred in the electrolytic copper that causes producing, as problems such as knob, end face be uneven occurred, influenced production marketing.When reusing, earlier sealed strip is peeled from negative plate, to the polishing of sealed strip place, melt extrude moulding again again, this has increased labour intensity greatly, and production efficiency is not high yet.Sealed strip through second method is produced can be with reference to the structure of Granted publication CN 201169646Y (application number 200820096325.4) " the sealed insulation contained side bar of electrolytic negative plate "; The sealed strip of this structure is made up of sealed insulation bar contained side and tensioning rod; Under the effect of tensioning rod, sealed edge is clamped negative plate.Yet, especially when middle electrolyte temperature is higher, be more prone to occur creep because macromolecular material has creep properties; Make the insulated enclosure bar of said structure the not tight phenomenon of folder occur; Have to coat sealer in the junction of sealed strip and negative plate, this has not only increased cost, simultaneously because sealer and the bounding force of sealed strip own are not strong; Electrolytic solution is penetrated on the negative plate of sealed strip seals at; Make metallic reducing at the sealed strip place, under the effect of mechanical force, sealed strip is accelerated destruction when peeling off.
Thus, there is the defective that bounding force is strong, the life-span lacks in the sealed insulation contained side bar of existing electrolytic negative plate more.
Summary of the invention
Deficiency to prior art; The present invention provides a kind of electrolytic negative plate sealed strip to use the high adhesion polyethylene compsn; Produce sealed strip through extrusion by melting, use the High molecular weight polyethylene resin, be aided with linear low density polyethylene resin simultaneously and improve its toughness; Adding functional polymer increases the bounding force that constituent has solved constituent and negative plate, adds oxidation inhibitor and metal passivator and makes its life-span increase substantially.
The scheme that solves the problems of the technologies described above is: high adhesion electrolytic negative plate sealed strip is used the Vilaterm mixing material; The unit meter contains 100 parts of polyvinyl resins by weight; Linear low density polyethylene resin 0.1-20 part, functional polymer 0.1-10 part, oxidation inhibitor 0.1-1 part; Metal passivator 0.05-1 part, amount of colorant.
Described high adhesion electrolytic negative plate sealed strip is used the Vilaterm mixing material; Preferred scheme is: the unit meter contains 100 parts of polyvinyl resins by weight; Linear low density polyethylene resin 5-15 part, functional polymer 2-6 part, oxidation inhibitor 0.2-0.8 part; Metal passivator 0.06-0.08 part, amount of colorant.
Described high adhesion electrolytic negative plate sealed strip is used the Vilaterm mixing material, and preferred scheme is: said polyvinyl resin is a multipolymer, and comonomer is a terminal olefin, its density>=0.940g/cm
3, melt flow rate(MFR)≤1.0g/10min.
Described high adhesion electrolytic negative plate sealed strip is used the Vilaterm mixing material, and preferred scheme is: said linear low density polyethylene resin is a multipolymer, and comonomer is a terminal olefin, its density≤0.926g/cm
3, melt flow rate(MFR)≤2.0g/10min.
Described high adhesion electrolytic negative plate sealed strip is used the Vilaterm mixing material, and preferred scheme is: said functional polymer is an ethylene copolymer or poly material modified (preferred, the comonomer of said ethylene copolymer is a vinylformic acid; Preferably, said poly material modified be polycthylene grafted material; Preferably, said graft materials monomer is vinylformic acid, maleic anhydride, SY-Monomer G, vinylbenzene or said monomeric compound).
Described high adhesion electrolytic negative plate sealed strip is used the Vilaterm mixing material; Preferred scheme is: described oxidation inhibitor is major-minor oxidation inhibitor; The part by weight of major-minor oxidation inhibitor is that 1:0.2-3 is (preferred; Primary antioxidant is Hinered phenols or amine primary antioxidant, and auxiliary antioxidant is phosphorous acid esters).
Described high adhesion electrolytic negative plate sealed strip is used the Vilaterm mixing material, and preferred scheme is: described metal passivator is acid amides or hydrazide kind compound.
Described high adhesion electrolytic negative plate sealed strip is used the Vilaterm mixing material, and preferred scheme is: described tinting material is carbon black or its masterbatch.
Described high adhesion electrolytic negative plate sealed strip is used the Vilaterm mixing material, and preferred scheme is: the mass concentration of said black master is 5%-50%.
The present invention also provides the preparation method of said high adhesion electrolytic negative plate sealed strip with the Vilaterm mixing material, is undertaken by following operation:
A) by weight, polyvinyl resin, linear low density polyethylene resin, functional polymer, oxidation inhibitor, metal passivator, lubricant, tinting material is even in stirrer for mixing, squeeze into feed bin;
B) with the compound in the feed bin with twin screw or single screw rod extruding pelletization, processing parameter is selected as follows:
Body temperature: 170-220 ℃, 190-220 ℃, 200-225 ℃, 210-230 ℃, 210-230 ℃, 210-230 ℃, head temperature: 210-220 ℃;
Engine speed: 30-60 rev/min, feeding rotating speed: 160-180 rev/min;
C) the pellet paper and plastics compound bag packing that is cut into.
The present invention is aided with the toughness of linear low density polyethylene resin constituent simultaneously through using the High molecular weight polyethylene resin; Can satisfy industries such as electrolytic copper when mechanically peel to the requirement of sealed strip flexible; The adding functional polymer has increased the bounding force of constituent and negative plate greatly, and sealing effectiveness strengthens greatly, has overcome the phenomenon of electrolytic solution infiltration seals at; Add the life-span that oxidation inhibitor has improved the heat-resisting oxygen of constituent; Metal passivator makes transition metal ion reduce significantly the catalyzed degradation effect of constituent, and its life-span can be increased to more than 2 years, the tinting material carbon black of adding or its masterbatch; Have aged effect against sunshine, can improve the storage and the work-ing life of sealed strip.
Embodiment
Below in conjunction with embodiment technical scheme of the present invention is described.
The material that the present invention adopts has: polyvinyl resin, linear low density polyethylene resin, functional polymer, oxidation inhibitor, metal passivator, amount of colorant.
Described polyvinyl resin is a copolymerized macromolecule amount high density polyethylene(HDPE), and the requirement of each item performance index is: comonomer is a terminal olefin, its density>=0.940g/cm
3, melt flow rate(MFR)≤1.0g/10min.
Said linear low density polyethylene resin is a multipolymer, and comonomer is a terminal olefin, its density≤0.926g/cm
3, melt flow rate(MFR)≤2.0g/10min.The purpose that adds type low density polyethylene resin is further to improve the toughness of constituent.
Described functional polymer ethylene copolymer or poly material modified; The comonomer of ethylene copolymer is a vinylformic acid; Poly material modified be polycthylene grafted material, grafted monomer is vinylformic acid, maleic anhydride, SY-Monomer G, vinylbenzene or above-mentioned monomeric compound.It utilizes the polarity of functional polymer to improve the bonding force of constituent and negative plate as the time spent, improves sealing effectiveness.
Described oxidation inhibitor is the Hinered phenols material, and its effect is to catch the radical that Vilaterm is heated in processing or use or receives action of ultraviolet ray formation, guarantees the life-span that material uses.
Described metal passivator is acid amides or hydrazide kind compound; The adding of metal passivator can form inner complex with transition metal ion in the electrolytic solution especially cupric ion, iron ion; Reduce the catalyzed degradation of transition metal ion, thereby improve its life-span constituent.
The tinting material carbon black or its masterbatch that add are the screeners of UV-light, can improve the storage and the work-ing life of sealed strip by the radical of uviolizing generation.
Below be the embodiment of several kinds of different proportionings of the present invention:
Annotate: EAA is ethene and PEMULEN TR2, and LLDPE-g-MAH is the LLDPE grafted maleic anhydride, and LLDPE-g-AA (St) is a LLDPE graft acrylic acid vinylbenzene.
The present invention prepares high adhesion electrolytic negative plate sealed strip:
A) by weight, polyvinyl resin, linear low density polyethylene resin, functional polymer, oxidation inhibitor, metal passivator, tinting material is even in stirrer for mixing, squeeze into feed bin;
B) with the compound in the feed bin with twin screw or single screw rod extruding pelletization, processing parameter is selected as follows:
Body temperature: 170-220 ℃, 190-220 ℃, 200-225 ℃, 210-230 ℃, 210-230 ℃, 210-230 ℃, head temperature: 210-220 ℃;
Engine speed: 30-60 rev/min, feeding rotating speed: 160-180 rev/min;
C) the pellet paper and plastics compound bag packing that is cut into.
The performance representative value of the mixing material that the present invention obtains is seen table 1.
Table 1 high adhesion electrolytic negative plate sealed strip is with the performance performance representative value of Vilaterm mixing material
| Sequence number | Project | Performance |
| 1 | Tensile strength (MPa) | ≥25 |
| 2 | Elongation at break (%) | ≥350 |
| 3 | Oxidation induction time (min, 200 ℃) | ≥200 |
| 4 | 20 ℃ of volume specific resistances (Ω cm) | ≥1.5×10 13 |
| 5 | Dielectric strength (MV/m, 20 ℃) | ≥25.6 |
| 6 | Embrittlement temperature (℃) | ＜－70 |
| 7 | Stripping strength (N/cm) with pole plate | ≥50 |
Can find out that by last table good technique effect of the present invention is embodied in:
1, added functional polymer in the mixing material, the sealed strip that extrusion moulding obtains and the stripping strength of pole plate are high, good sealing effect;
2, added oxidation inhibitor, metal passivator in the mixing material, the life-span of material prolongs greatly, can reach more than 2 years;
3, toughness of material is good, when peeling off, can stand the impact of mechanical force, and is not broken;
Mixing material of the present invention can adopt single screw rod to carry out the production of insulated enclosure bar, and processing temperature is: fuselage 180-220 ℃, and head 210-230 ℃.Above processing condition can be adjusted as the case may be, and generally speaking, top temperature is not generally above 240 ℃.
Should be pointed out that above embodiment is the more representational example of the present invention, obvious technical scheme of the present invention is not limited to the foregoing description.A lot of distortion can also be arranged.From then on those of ordinary skill in the art with disclosed can mention or it is associated in the invention, all should think the claimed scope of this patent.
Claims (10)
1. high adhesion electrolytic negative plate sealed strip is used the Vilaterm mixing material, it is characterized by: the unit meter contains 100 parts of polyvinyl resins by weight, linear low density polyethylene resin 0.1-20 part; Functional polymer 0.1-10 part; Oxidation inhibitor 0.1-1 part, metal passivator 0.05-1 part, amount of colorant.
2. high adhesion electrolytic negative plate sealed strip is used the Vilaterm mixing material, it is characterized by: the unit meter contains 100 parts of polyvinyl resins by weight, linear low density polyethylene resin 5-15 part; Functional polymer 2-6 part; Oxidation inhibitor 0.2-0.8 part, metal passivator 0.06-0.08 part, amount of colorant.
3. high adhesion electrolytic negative plate sealed strip according to claim 1 and 2 is used the Vilaterm mixing material, it is characterized by: said polyvinyl resin is a multipolymer, and comonomer is a terminal olefin, its density>=0.940g/cm
3, melt flow rate(MFR)≤1.0g/10min.
4. high adhesion electrolytic negative plate sealed strip according to claim 1 and 2 is used the Vilaterm mixing material, it is characterized by: said linear low density polyethylene resin is a multipolymer, and comonomer is a terminal olefin, its density≤0.926g/cm
3, melt flow rate(MFR)≤2.0g/10min.
5. high adhesion electrolytic negative plate sealed strip according to claim 1 and 2 is used the Vilaterm mixing material; It is characterized by: said functional polymer is an ethylene copolymer or poly material modified (preferred, the comonomer of said ethylene copolymer is a vinylformic acid; Preferably, said poly material modified be polycthylene grafted material; Preferably, said graft materials monomer is vinylformic acid, maleic anhydride, SY-Monomer G, vinylbenzene or said monomeric compound).
6. high adhesion electrolytic negative plate sealed strip according to claim 1 and 2 is used the Vilaterm mixing material; It is characterized by: described oxidation inhibitor is major-minor oxidation inhibitor; The part by weight of major-minor oxidation inhibitor is that 1:0.2-3 is (preferred; Primary antioxidant is Hinered phenols or amine primary antioxidant, and auxiliary antioxidant is phosphorous acid esters).
7. high adhesion electrolytic negative plate sealed strip according to claim 1 and 2 is used the Vilaterm mixing material, it is characterized by: described metal passivator is acid amides or hydrazide kind compound.
8. high adhesion electrolytic negative plate sealed strip according to claim 1 and 2 is used the Vilaterm mixing material, it is characterized by: described tinting material is carbon black or its masterbatch.
9. high adhesion electrolytic negative plate sealed strip according to claim 8 is used the Vilaterm mixing material, it is characterized by: the mass concentration of said black master is 5%-50% (being preferably 20%-30%).
According to claim 1 or 2 said high adhesion electrolytic negative plate sealed strips with the preparation method of Vilaterm mixing material, it is characterized by: undertaken by following operation:
A) by weight, polyvinyl resin, linear low density polyethylene resin, functional polymer, oxidation inhibitor, metal passivator, lubricant, tinting material is even in stirrer for mixing, squeeze into feed bin;
B) with the compound in the feed bin with twin screw or single screw rod extruding pelletization, processing parameter is selected as follows:
Body temperature: 170-220 ℃, 190-220 ℃, 200-225 ℃, 210-230 ℃, 210-230 ℃, 210-230 ℃, head temperature: 210-220 ℃;
Engine speed: 30-60 rev/min, feeding rotating speed: 160-180 rev/min;
C) the pellet paper and plastics compound bag packing that is cut into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101393140A CN102643474B (en) | 2012-05-08 | 2012-05-08 | Polyethylene mixing material for high-cohesive-force electrolytic cathode plate sealing strip and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101393140A CN102643474B (en) | 2012-05-08 | 2012-05-08 | Polyethylene mixing material for high-cohesive-force electrolytic cathode plate sealing strip and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102643474A true CN102643474A (en) | 2012-08-22 |
| CN102643474B CN102643474B (en) | 2013-12-04 |
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| CN2012101393140A Expired - Fee Related CN102643474B (en) | 2012-05-08 | 2012-05-08 | Polyethylene mixing material for high-cohesive-force electrolytic cathode plate sealing strip and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1407009A (en) * | 2001-08-24 | 2003-04-02 | 夏平 | Antistatic polyolefine film |
| CN1464005A (en) * | 2002-06-11 | 2003-12-31 | 上海高分子功能材料研究所 | Silicon alkyl cross bonding polyethylene fire-retardancy insulating plastics |
| CN102241850A (en) * | 2011-06-22 | 2011-11-16 | 青岛润兴塑料新材料有限公司 | Polyethylene modified plastic with high performance and double resistance and manufacture method thereof |
-
2012
- 2012-05-08 CN CN2012101393140A patent/CN102643474B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1407009A (en) * | 2001-08-24 | 2003-04-02 | 夏平 | Antistatic polyolefine film |
| CN1464005A (en) * | 2002-06-11 | 2003-12-31 | 上海高分子功能材料研究所 | Silicon alkyl cross bonding polyethylene fire-retardancy insulating plastics |
| CN102241850A (en) * | 2011-06-22 | 2011-11-16 | 青岛润兴塑料新材料有限公司 | Polyethylene modified plastic with high performance and double resistance and manufacture method thereof |
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| CN102643474B (en) | 2013-12-04 |
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