CN103242599A - Soft cold-resistant polyvinyl chloride (PVC) refrigerator sealing strip and preparation method thereof - Google Patents
Soft cold-resistant polyvinyl chloride (PVC) refrigerator sealing strip and preparation method thereof Download PDFInfo
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- CN103242599A CN103242599A CN2013101512178A CN201310151217A CN103242599A CN 103242599 A CN103242599 A CN 103242599A CN 2013101512178 A CN2013101512178 A CN 2013101512178A CN 201310151217 A CN201310151217 A CN 201310151217A CN 103242599 A CN103242599 A CN 103242599A
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- pvc
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- sealed strip
- soft cold
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- 239000004800 polyvinyl chloride Substances 0.000 title abstract 3
- 238000007789 sealing Methods 0.000 title abstract 2
- 238000002360 preparation method Methods 0.000 title description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 24
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 12
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000012188 paraffin wax Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 9
- 229920013649 Paracril Polymers 0.000 claims description 7
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 5
- 239000004615 ingredient Substances 0.000 claims description 5
- 238000005453 pelletization Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000003115 biocidal effect Effects 0.000 claims description 2
- 241000894006 Bacteria Species 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 229920000459 Nitrile rubber Polymers 0.000 abstract 1
- 239000003242 anti bacterial agent Substances 0.000 abstract 1
- 230000000844 anti-bacterial effect Effects 0.000 abstract 1
- 238000009395 breeding Methods 0.000 abstract 1
- 230000001488 breeding effect Effects 0.000 abstract 1
- 229920000915 polyvinyl chloride Polymers 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 101100161887 Caenorhabditis elegans acr-5 gene Proteins 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 235000021438 curry Nutrition 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
- B29C48/92—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a soft cold-resistant polyvinyl chloride (PVC) refrigerator sealing strip, comprising the following components in parts by mass: 100 parts of PVC, 40 to 50 parts of DOP, 5 to 10 parts of DOA, 5 to 10 parts of DOS, 10 to 30 parts of light calcium carbonate, 0.5 to 1.5 parts of lead stearate, 0.2 to 1 part of paraffin, 2.5 to 6 parts of ACR, 10 to 30 parts of nitrile rubber and 0.2 to 0.5 part of antibacterial agent. The product has excellent oil resistance and antibacterial property, so greasy dirt and bacteria breeding can be reduced; the Shore hardness can reach 70, the tensile strength is 15 MPa, the elongation at break is 355 percent; the product is soft, so the shock resistance is excellent; and the cold resistance is excellent, so the product can be applied at -35 DEG C, can be widely used and can continuously replace the conventional materials.
Description
Technical field
The present invention relates to building material field, relate in particular to a kind of soft cold-resistant PVC refrigerator sealed strip and preparation method thereof.
Background technology
Development along with social cityization, technicalization, hommization, domestic environment is more and more paid close attention to by the human consumer, decoration is as improving the most direct mode of domestic environment, wherein refrigerator is as the electrical equipment of closeness to life, the sealed strip of its refrigerator has determined the heat insulation refrigeration of refrigerator, and the consequent is not showing of problem such as Cold-proof oilproof of the increase of refrigerator sealed strip usage quantity and sealed strip.
Existing refrigerator sealed strip, the main employing increases fin at sealed strip, Chinese patent 201120073626.7 has been announced a kind of refrigerator sealed strip, but consider the oil-proofness, winter hardiness, the germ resistance equal angles that do not solve the refrigerator sealed strip from material itself, it is slightly not enough that prior art just seems.
Summary of the invention
The invention provides a kind of soft cold-resistant PVC refrigerator sealed strip and preparation method thereof, solve that cold-resistant effect in the current refrigerator sealed strip is bad, oil-proofness is poor, tensile strength is low and technical problem such as germ resistance difference.
The present invention is by the following technical solutions:
A kind of soft cold-resistant PVC refrigerator sealed strip is made up of following raw materials according, with the mass fraction representation is:
PVC 100；
DOP 40—50；
DOA 5-10；
DOS 5-10；
Light calcium carbonate 10-30;
Lead stearate 0.5-1.5;
Paraffin 0.2-1;
ACR 2.5-6；
Paracril 10-30;
Antiseptic-germicide 0.2-0.5.
As a kind of optimal technical scheme of the present invention: described PVC adopts the PVC of WS-1300 model.
As a kind of optimal technical scheme of the present invention: described antibiotic one or more mixtures of selecting for use among ABM or the TM-800.
As a kind of optimal technical scheme of the present invention: the preparation method of described soft cold-resistant PVC refrigerator sealed strip is:
The first step: take by weighing various raw materials according to ratio of quality and the number of copies mentioned above;
Second step: above-mentioned raw materials was put into high-speed mixer and mixing 10 minutes, various compositions are uniformly dispersed, order of addition(of ingredients) is PVC, DOP, DOA, DOS, lead stearate, light calcium carbonate, other auxiliary agents, and whipping temp is 90-110 degree centigrade;
The 3rd step: mixed material of second step is rendered in the twin screw extruder that length-to-diameter ratio is 20:1, the extruding pelletization temperature is set to: a district: 90 ℃, 110 ℃ in two districts, 130 ℃ in three districts, 135 ℃ in four districts, the extrusion moulding temperature is set to: 90 ℃, 120 ℃, 135 ℃, 140 ℃, 155 ℃ of mouth moulds, rotating speed 20-40r/min.
All raw materials that the present invention uses are know altogether existing, and using method and function are prior art.
A kind of soft cold-resistant PVC refrigerator sealed strip of the present invention adopts above technical scheme compared with prior art, and have following technique effect: 1, oil-proofness and germ resistance are good, can reduce growing of greasy dirt and bacterium; 2, shore hardness can reach 70, tensile strength 15MPa, and elongation at break 355%, and be soft, excellent shock resistance; 3, cold tolerance excellence can be used down at-35 ℃, can be used widely, and constantly substitute current material.
Embodiment
Set forth content of the present invention by the following examples in further detail.
Embodiment 1:
The first step: take by weighing various raw materials according to ratio of quality and the number of copies hereinafter described
PVC 100；
DOP 50；
DOA 10；
DOS 10；
Light calcium carbonate 25;
Lead stearate 15;
Paraffin 0.5;
ACR 5；
Paracril 10;
ABM 0.2。
Second step: above-mentioned raw materials was put into high-speed mixer and mixing 10 minutes, various compositions are uniformly dispersed, order of addition(of ingredients) is PVC, DOP, DOA, DOS, lead stearate, light calcium carbonate, other auxiliary agents, and whipping temp is 90-110 degree centigrade;
The 3rd step: mixed material of second step is rendered in the twin screw extruder that length-to-diameter ratio is 20:1, the extruding pelletization temperature is set to: a district: 90 ℃, 110 ℃ in two districts, 130 ℃ in three districts, 135 ℃ in four districts, the extrusion moulding temperature is set to: 90 ℃, 120 ℃, 135 ℃, 140 ℃, 155 ℃ of mouth moulds, rotating speed 20-40r/min.
Embodiment 2:
The first step: take by weighing various raw materials according to ratio of quality and the number of copies hereinafter described
PVC 100；
DOP 40；
DOA 5；
DOS 5；
Light calcium carbonate 10;
Lead stearate 1.0;
Paraffin 0.2;
ACR 2.5；
Paracril 20;
ABM 0.3。
Second step: above-mentioned raw materials was put into high-speed mixer and mixing 10 minutes, various compositions are uniformly dispersed, order of addition(of ingredients) is PVC, DOP, DOA, DOS, lead stearate, light calcium carbonate, other auxiliary agents, and whipping temp is 90-110 degree centigrade;
The 3rd step: mixed material of second step is rendered in the twin screw extruder that length-to-diameter ratio is 20:1, the extruding pelletization temperature is set to: a district: 90 ℃, 110 ℃ in two districts, 130 ℃ in three districts, 135 ℃ in four districts, the extrusion moulding temperature is set to: 90 ℃, 120 ℃, 135 ℃, 140 ℃, 155 ℃ of mouth moulds, rotating speed 20-40r/min.
Embodiment 3:
The first step: take by weighing various raw materials according to ratio of quality and the number of copies hereinafter described
PVC 100；
DOP 45；
DOA 8；
DOS 8；
Light calcium carbonate 20;
Lead stearate 1.5;
Paraffin 1;
ACR 6；
Paracril 30;
ABM 0.5。
Second step: above-mentioned raw materials was put into high-speed mixer and mixing 10 minutes, various compositions are uniformly dispersed, order of addition(of ingredients) is PVC, DOP, DOA, DOS, lead stearate, light calcium carbonate, other auxiliary agents, and whipping temp is 90-110 degree centigrade;
The 3rd step: mixed material of second step is rendered in the twin screw extruder that length-to-diameter ratio is 20:1, the extruding pelletization temperature is set to: a district: 90 ℃, 110 ℃ in two districts, 130 ℃ in three districts, 135 ℃ in four districts, the extrusion moulding temperature is set to: 90 ℃, 120 ℃, 135 ℃, 140 ℃, 155 ℃ of mouth moulds, rotating speed 20-40r/min.
Composition all components in above embodiment and the Comparative Examples all can commercially be bought, PVC can buy in the meaningful trade Co., Ltd of East-Shanghai benevolence, DOP can buy in the poly-chemical industry company limited of Shanghai Qi, DOA buys in Shanghai first U.S. Fine Chemical Co., Ltd, DOS can converge in Guangzhou and chemical industry company limited buys, light calcium carbonate can hundred million peak Chemical Industry Science Co., Ltd be bought in Guangzhou, paracril can reach capable industry and trade company limited at Beijing space and buy, lead stearate can be moulded auxiliary agent company limited in the Shijiazhuang City moral and buy, ABM can buy in Shanghai He Te chemical industry company limited, and ACR can buy in the sharp trade Co., Ltd of Changzhou curry favour.
Test performance:
Test performance: embodiment 1 ~ 3 is carried out tensile strength test and elongation at break test, the results are shown in Table one:
| DOA | DOS | Paracril | ABM | Cold-resistant temperature | Shore hardness | Tensile strength/MPa | Elongation at break/% | |
| Embodiment 1 | 10 | 10 | 10 | 0.2 | -35 | 70 | 15 | 355 |
| Embodiment 2 | 5 | 5 | 20 | 0.3 | -30 | 65 | 14 | 330 |
| Embodiment 3 | 8 | 8 | 30 | 0.5 | -32 | 68 | 14.5 | 340 |
Table one
Above-described embodiment just is used for content of the present invention is set forth, rather than restriction, therefore in the implication suitable with claims of the present invention and any change in the scope, all should think to be included in the scope of claims.
Claims (4)
1. soft cold-resistant PVC refrigerator sealed strip, it is characterized in that: its composition with the mass fraction representation is:
PVC 100；
DOP 40—50；
DOA 5-10；
DOS 5-10；
Light calcium carbonate 10-30;
Lead stearate 0.5-1.5;
Paraffin 0.2-1;
ACR 2.5-6；
Paracril 10-30;
Antiseptic-germicide 0.2-0.5.
2. a kind of soft cold-resistant PVC refrigerator sealed strip according to claim 1 is characterized in that: the PVC of described PVC employing WS-1300 model.
3. a kind of soft cold-resistant PVC refrigerator sealed strip according to claim 1 is characterized in that: one or more mixtures among the described antibiotic ABM of selecting for use or the TM-800.
4. method for preparing the described soft cold-resistant PVC refrigerator sealed strip of claim 1 is characterized in that step is:
The first step: take by weighing various raw materials according to ratio of quality and the number of copies mentioned above;
Second step: above-mentioned raw materials was put into high-speed mixer and mixing 10 minutes, various compositions are uniformly dispersed, order of addition(of ingredients) is PVC, DOP, DOA, DOS, lead stearate, light calcium carbonate, other auxiliary agents, and whipping temp is 90-110 degree centigrade;
The 3rd step: mixed material of second step is rendered in the twin screw extruder that length-to-diameter ratio is 20:1, the extruding pelletization temperature is set to: a district: 90 ℃, 110 ℃ in two districts, 130 ℃ in three districts, 135 ℃ in four districts, the extrusion moulding temperature is set to: 90 ℃, 120 ℃, 135 ℃, 140 ℃, 155 ℃ of mouth moulds, rotating speed 20-40r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101512178A CN103242599A (en) | 2013-04-27 | 2013-04-27 | Soft cold-resistant polyvinyl chloride (PVC) refrigerator sealing strip and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101512178A CN103242599A (en) | 2013-04-27 | 2013-04-27 | Soft cold-resistant polyvinyl chloride (PVC) refrigerator sealing strip and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103242599A true CN103242599A (en) | 2013-08-14 |
Family
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|---|---|---|---|
| CN2013101512178A Withdrawn CN103242599A (en) | 2013-04-27 | 2013-04-27 | Soft cold-resistant polyvinyl chloride (PVC) refrigerator sealing strip and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739987A (en) * | 2013-12-09 | 2014-04-23 | 吴江市董鑫塑料包装厂 | PVC sealing strip sectional material |
| CN103819838A (en) * | 2013-11-21 | 2014-05-28 | 江苏兆胜建材有限公司 | Antibacterial rubber-plastic product and preparation method thereof |
| CN104292703A (en) * | 2014-10-30 | 2015-01-21 | 六安索伊电器制造有限公司 | PVC granules for refrigerator door seal and preparation method for PVC granules |
| CN104945768A (en) * | 2015-05-26 | 2015-09-30 | 山西中德塑钢型材有限责任公司 | Formula for modifying adhesive properties of polyvinyl chloride (PVC) soft products by using nitrile-butadiene rubber |
| WO2017067504A1 (en) * | 2015-10-21 | 2017-04-27 | 大电塑料（上海）有限公司 | Foamed pvc material, preparation method and use thereof |
| CN106609014A (en) * | 2015-10-21 | 2017-05-03 | 大电塑料（上海）有限公司 | Refrigerator door seal, preparation method and application thereof |
| CN109988378A (en) * | 2019-01-14 | 2019-07-09 | 桐乡市炬力塑胶有限公司 | A kind of refrigerator sealing strip |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0275647A (en) * | 1988-09-12 | 1990-03-15 | Shin Etsu Chem Co Ltd | Vinyl chloride resin sheet |
| CN101104720A (en) * | 2007-07-06 | 2008-01-16 | 海信科龙电器股份有限公司 | A kind of environment-friendly plastic material and preparation method thereof |
| CN101151960A (en) * | 2006-09-27 | 2008-04-02 | 国家农产品保鲜工程技术研究中心（天津） | Cold resistant film for vine and cold resistant overwintering method using the same |
-
2013
- 2013-04-27 CN CN2013101512178A patent/CN103242599A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0275647A (en) * | 1988-09-12 | 1990-03-15 | Shin Etsu Chem Co Ltd | Vinyl chloride resin sheet |
| CN101151960A (en) * | 2006-09-27 | 2008-04-02 | 国家农产品保鲜工程技术研究中心（天津） | Cold resistant film for vine and cold resistant overwintering method using the same |
| CN101104720A (en) * | 2007-07-06 | 2008-01-16 | 海信科龙电器股份有限公司 | A kind of environment-friendly plastic material and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 吴茂英: ""PVC用热稳定剂金属皂的特性研究"", 《现代塑料加工应用》 * |
| 夏振华: ""高性能冰箱门封条用PVC粒料的制备"", 《聚氯乙烯》 * |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819838A (en) * | 2013-11-21 | 2014-05-28 | 江苏兆胜建材有限公司 | Antibacterial rubber-plastic product and preparation method thereof |
| CN103819838B (en) * | 2013-11-21 | 2016-03-02 | 赢胜（江苏）节能有限公司 | A kind of antibacterial Plastic Rubber Products and preparation method thereof |
| CN103739987A (en) * | 2013-12-09 | 2014-04-23 | 吴江市董鑫塑料包装厂 | PVC sealing strip sectional material |
| CN104292703A (en) * | 2014-10-30 | 2015-01-21 | 六安索伊电器制造有限公司 | PVC granules for refrigerator door seal and preparation method for PVC granules |
| CN104945768A (en) * | 2015-05-26 | 2015-09-30 | 山西中德塑钢型材有限责任公司 | Formula for modifying adhesive properties of polyvinyl chloride (PVC) soft products by using nitrile-butadiene rubber |
| WO2017067504A1 (en) * | 2015-10-21 | 2017-04-27 | 大电塑料（上海）有限公司 | Foamed pvc material, preparation method and use thereof |
| CN106609011A (en) * | 2015-10-21 | 2017-05-03 | 大电塑料（上海）有限公司 | Foaming PVC material, preparation method and uses thereof |
| CN106609014A (en) * | 2015-10-21 | 2017-05-03 | 大电塑料（上海）有限公司 | Refrigerator door seal, preparation method and application thereof |
| CN106609011B (en) * | 2015-10-21 | 2019-03-22 | 大电塑料（上海）有限公司 | A kind of foamed PVC material and its preparation method and use |
| CN106609014B (en) * | 2015-10-21 | 2019-03-26 | 大电塑料（上海）有限公司 | A kind of refrigerator door seal and its preparation method and use |
| CN109988378A (en) * | 2019-01-14 | 2019-07-09 | 桐乡市炬力塑胶有限公司 | A kind of refrigerator sealing strip |
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Application publication date: 20130814 |