CN103909703A - High-strength high-toughness polyvinyl chloride sheet material and production method thereof - Google Patents
High-strength high-toughness polyvinyl chloride sheet material and production method thereof Download PDFInfo
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- CN103909703A CN103909703A CN201410059606.2A CN201410059606A CN103909703A CN 103909703 A CN103909703 A CN 103909703A CN 201410059606 A CN201410059606 A CN 201410059606A CN 103909703 A CN103909703 A CN 103909703A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
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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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
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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
- B29C48/25—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
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
-
- 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
- B29C2948/92609—Dimensions
- B29C2948/92647—Thickness
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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
- 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
- B29C2948/92895—Barrel or housing
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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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a high-strength high-toughness polyvinyl chloride sheet material, comprising hard polyvinyl chloride layers and soft layers alternately distributed, wherein the numbers of the hard polyvinyl chloride layers and the soft layers are both 2n (wherein n is an integer in a range of 1 to 5). A production method for the sheet material comprises the following steps: respectively adding raw materials for the hard polyvinyl chloride layers and the soft layers into two extruders; allowing fused and plasticized raw materials to enter into a lamination device through a junction station for alternate lamination; and after target layer numbers are reached, carrying out compression molding to prepare the high-strength high-toughness polyvinyl chloride sheet material. The sheet material can be used as a backing plate or panel for the compartment of a heavy truck, the carriage of a train, a ship, a factory, furniture, a building template, etc.
Description
Technical field
The present invention relates to polychlorovinyl sheet material field, be specifically related to a kind of high-intensity high-tenacity polychlorovinyl sheet material and production method thereof.
Background technology
Polyvinyl chloride (PVC) is China first, second-biggest-in-the-world universal synthetic resin material, there is excellent flame retardancy, wearability, resistance to chemical corrosion, comprehensive mechanical, the goods transparency, electrical insulating property, machinability, and cheap, reclaim the features such as convenient.At present, PVC has become application one of plastics variety the most widely, all be widely used in fields such as industry, building, agricultural, daily life, packaging, electric power, public utilities, be referred to as five large general-purpose plastics with polyethylene (PE), polypropylene (PP), polystyrene (PS) and ABS.Igelite, according to the number of added plasticizer, is divided into hard and soft two large classes.Rigid PVC mechanical strength is high, durable in use, for the production of structural member, and housing, toy, sheet material, tubing etc.Soft PVC quality softness, for the production of film, artificial leather, wallpaper.
Chinese patent CN102069579A discloses a kind of device for preparing nano laminated composite material, can produce laminar composite, and have advantages of at aspects such as mechanical property, barrier property, electric conductivity, optical properties unique.
Polychlorovinyl sheet material has higher hardness and mechanical strength, and improves along with the increase of molecular weight, reduces along with the rising of temperature.But pvc material in use easily becomes fragile, more serious at low temperatures.Therefore, be necessary to seek to develop a kind of polychlorovinyl sheet material with high-intensity high-tenacity.
Summary of the invention
In order to overcome the shortcoming and deficiency of prior art, the invention provides a kind of polychlorovinyl sheet material of high-intensity high-tenacity, this sheet material low price, is suitable for promoting on a large scale.
A kind of high-intensity high-tenacity polychlorovinyl sheet material, its special type is, comprises hard PVC layer and the soft layer of mutually alternately arranging, the number of plies of this hard PVC layer and soft layer is respectively 2
n, the integer that wherein n is 1-5.
Preferably, described polychlorovinyl sheet material thickness is 2mm～20mm, and the thickness of described hard PVC layer is 0.03mm～5mm, and the thickness of described soft layer is 0.03mm～5mm.
The present invention also provides the production method of described high-intensity high-tenacity polychlorovinyl sheet material, comprises the following steps:
(1) even mixed preparing hard PVC layer raw material and soft layer raw material;
(2) two kinds of raw materials are added respectively in two extruders, after fusion plastification, material enters lamination device through junction station, and constantly alternative stacked, reaches the target number of plies;
(3) compression molding sheet material, traction, cut-out, making the number of plies is 2X2
nhigh-intensity high-tenacity polychlorovinyl sheet material, the integer that wherein n is 1-5.
Preferably, described is 150～210 DEG C for the each Heating Zone Temperature of extruder that plastifies hard PVC layer raw material, it is 60～210 DEG C for the each Heating Zone Temperature of extruder that plastifies soft layer raw material, each section of temperature of junction station and lamination device is 60～220 DEG C, and the temperature of compression molding sheet material is 70～200 DEG C.
Preferably, in described hard PVC layer raw material, the ratio of each component is:
100 parts of hard polyvinylchloride resins
0.2～2.0 part of organic tin stabilizer
0.2～0.8 part of calcium stearate
0.3～0.6 part of Tissuemat E
10～40 parts, calcium carbonate
0.5～1.5 part of titanium dioxide
0.3～1.2 part, paraffin
0.1～2.0 part of ACR
0～20 part of fortifying fibre.
Preferably, described fortifying fibre is one or more in glass fibre, carbon fiber, string, polyphenylene sulfide fibre, polyimide fiber, polytetrafluoroethylene fibre.
Preferably, the raw material of described soft layer comprises in soft PVC, rubber, thermoplastic elastomer (TPE) any one.
Preferably, described rubber be in natural rubber, butadiene-styrene rubber, acrylonitrile-butadiene rubber, silicon rubber, butadiene rubber, isoprene rubber or EP rubbers one or more.
Preferably, described thermoplastic elastomer (TPE) is one or more in thermoplastic polyurethane, styrene analog thermoplastic elastomer, polyolefins thermoplastic elastomer, Halogen polyolefins thermoplastic elastomer, polyether ester analog thermoplastic elastomer, polyamide-based thermoplastic elastomer (TPE).
Preferably, in described soft layer raw material, the ratio of each component is:
100 parts of soft PVC resins
15～35 parts, plasticizer
1～5 part of stabilizing agent
1～2 part, antioxidant
1～2 part of ultra-violet absorber.
High-intensity high-tenacity polychlorovinyl sheet material of the present invention can be used as backing plate or the panel of heavy truck compartment, railway car, boats and ships, terminal ground, airport, fabrication facility floor, furniture, building template etc.
Brief description of the drawings
Fig. 1 is the structural representation of high-intensity high-tenacity polychlorovinyl sheet material of the present invention;
Fig. 2 is the production line schematic diagram of high-intensity high-tenacity polychlorovinyl sheet material of the present invention.
In figure: 1-hard PVC layer extruder, 2-soft layer extruder, 3-junction station, 4-lamination device, 5-sheet forming mould, 6-sheet material shaping equipment, 7-hauling machine, 8-cutting machine, 9-bracket.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
Embodiment 1
A kind of high-intensity high-tenacity polychlorovinyl sheet material, comprises hard PVC layer and the soft layer of mutually alternately arranging, and the number of plies of hard PVC layer and soft layer is respectively 16 layers.Sheet thickness is 16mm, and the thickness of described hard PVC layer is 0.5mm, and described soft layer is soft PVC layer, and its thickness is 0.5mm.The production method of described sheet material comprises the following steps: by 100 parts of hard polyvinylchloride resins, 1.5 parts of organic tin stabilizers, 0.4 part of calcium stearate, 0.5 part of Tissuemat E, 15 parts, calcium carbonate, 1.1 parts of titanium dioxides, 0.6 part, paraffin, 2.0 parts of ACR, 10 parts, glass fibre, evenly mixed preparing, adds in double screw extruder 1; By 100 parts of soft PVC resins, 25 parts, plasticizer, 3 parts of stabilizing agents, 1.5 parts, antioxidant, 1.2 parts of ultra-violet absorbers, evenly mixed preparing, adds in double screw extruder 2.After the abundant fusion plastification of raw material in two extruders, enter lamination device 4 through junction station 3, constantly alternative stacked, reach the target number of plies 32, then use sheet forming mould 5 and 6 compression moldings of sheet material shaping equipment, process hauling machine 7, cutting machine 8, send into bracket 9, make the number of plies and be the high-intensity high-tenacity polychlorovinyl sheet material of 32 layers.Wherein RPVC is 160～195 DEG C by the temperature of double screw extruder 1 each thermal treatment zone, soft PVC is 150～170 DEG C by the temperature of double screw extruder 2 each thermals treatment zone, each section of temperature of junction station and lamination device is 150～180 DEG C, and sheet die and sizing section temperature are 140～190 DEG C; High-intensity high-tenacity polychlorovinyl sheet material of the present invention, can be used as backing plate or the panel of heavy truck compartment, railway car, boats and ships, terminal ground, airport, fabrication facility floor, furniture etc.
Embodiment 2
A kind of high-intensity high-tenacity polychlorovinyl sheet material, comprises hard PVC layer and the soft layer of mutually alternately arranging, and the number of plies of hard PVC layer and soft layer is respectively 2 layers.Sheet thickness is 4mm, and the thickness of described RPVC layer is 1mm, and described soft layer is caoutchouc layer, and its thickness is 1mm.The production stage of described sheet material is as follows: by 100 parts of hard polyvinylchloride resins, 1.5 parts of organic tin stabilizers, 0.4 part of calcium stearate, 0.5 part of Tissuemat E, 15 parts, calcium carbonate, 1.1 parts of titanium dioxides, 0.6 part, paraffin, 2.0 parts of ACR, 10 parts, glass fibre, evenly mixed preparing, adds in double screw extruder 1; By 100 parts of natural rubbers, 70 parts of carbon blacks, 8 parts of softening agents, 5 parts, zinc oxide, 2 parts, sulphur, 1.2 parts of captaxs, 1 part of antioxidant 1010,1 part, paraffin, 1.5 parts, age resistor, evenly mixed preparing, adds in extruder 2.After the abundant fusion plastification of raw material in two extruders, enter lamination device 4 through junction station 3, constantly alternative stacked, reach the target number of plies 4, then in sheet forming mould 5 and 6 compression moldings of sheet material shaping equipment, through hauling machine 7, cutting machine 8, send into bracket 9, make the number of plies and be the high-intensity high-tenacity polychlorovinyl sheet material of 4 layers.Wherein RPVC is 160～195 DEG C by the temperature of double screw extruder 1 each thermal treatment zone, natural rubber is 60～70 DEG C by the temperature of double screw extruder 2 each thermals treatment zone, each section of temperature of junction station and lamination device is 70～170 DEG C, and sheet die and sizing section temperature are 90～160 DEG C.The high-intensity high-tenacity polychlorovinyl sheet material of producing, can be used as railway car ground, fabrication facility floor, furniture panel, building shutter panel.
Claims (10)
1. a high-intensity high-tenacity polychlorovinyl sheet material, its special type is, comprises hard PVC layer and the soft layer of mutually alternately arranging, the number of plies of this hard PVC layer and soft layer is respectively 2
n, the integer that wherein n is 1-5.
2. high-intensity high-tenacity polychlorovinyl sheet material according to claim 1, is characterized in that, described sheet thickness is 2mm～20mm, and the thickness of described hard PVC layer is 0.03mm～5mm, and the thickness of described soft layer is 0.03mm～5mm.
3. a production method for high-intensity high-tenacity polychlorovinyl sheet material described in claim 1, comprises the following steps:
(1) even mixed preparing hard PVC layer raw material and soft layer raw material;
(2) two kinds of raw materials are added respectively in two extruders, after fusion plastification, material enters lamination device through junction station, and constantly alternative stacked, reaches the target number of plies;
(3) compression molding sheet material, traction, cut-out, making the number of plies is 2X2
nhigh-intensity high-tenacity polychlorovinyl sheet material, the integer that wherein n is 1-5.
4. production method according to claim 3, it is characterized in that, it is 150～210 DEG C for the each Heating Zone Temperature of extruder that plastifies hard PVC layer raw material, it is 60～210 DEG C for the each Heating Zone Temperature of extruder that plastifies soft layer raw material, each section of temperature of junction station and lamination device is 60～220 DEG C, and the temperature of compression molding sheet material is 70～200 DEG C.
5. production method according to claim 3, is characterized in that, in the raw material of described hard PVC layer, the ratio of each component is:
100 parts of hard polyvinylchloride resins
0.2～2.0 part of organic tin stabilizer
0.2～0.8 part of calcium stearate
0.3～0.6 part of Tissuemat E
10～40 parts, calcium carbonate
0.5～1.5 part of titanium dioxide
0.3～1.2 part, paraffin
0.1～2.0 part of ACR
0～20 part of fortifying fibre.
6. production method according to claim 5, is characterized in that, described fortifying fibre is one or more in glass fibre, carbon fiber, string, polyphenylene sulfide fibre, polyimide fiber, polytetrafluoroethylene fibre.
7. production method according to claim 3, is characterized in that, the raw material of described soft layer comprises in soft PVC, rubber, thermoplastic elastomer (TPE) any one.
8. production method according to claim 7, is characterized in that, described rubber be in natural rubber, butadiene-styrene rubber, acrylonitrile-butadiene rubber, silicon rubber, butadiene rubber, isoprene rubber or EP rubbers one or more; Described thermoplastic elastomer (TPE) is one or more in thermoplastic polyurethane, styrene analog thermoplastic elastomer, polyolefins thermoplastic elastomer, Halogen polyolefins thermoplastic elastomer, polyether ester analog thermoplastic elastomer, polyamide-based thermoplastic elastomer (TPE).
9. production method according to claim 3, is characterized in that, in the raw material of described soft layer, the ratio of each component is:
100 parts of soft PVC resins
15～35 parts, plasticizer
1～5 part of stabilizing agent
1～2 part, antioxidant
1～2 part of ultra-violet absorber.
10. production method according to claim 3, is characterized in that, in the raw material of described soft layer, the ratio of each component is:
100 parts of natural rubbers
70 parts of carbon blacks
8 parts of softening agents
5 parts, zinc oxide
2 parts, sulphur
1.2 parts of captaxs
1 part of antioxidant 1010
1 part, paraffin
1.5 parts, age resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410059606.2A CN103909703A (en) | 2014-02-23 | 2014-02-23 | High-strength high-toughness polyvinyl chloride sheet material and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410059606.2A CN103909703A (en) | 2014-02-23 | 2014-02-23 | High-strength high-toughness polyvinyl chloride sheet material and production method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103909703A true CN103909703A (en) | 2014-07-09 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410059606.2A Pending CN103909703A (en) | 2014-02-23 | 2014-02-23 | High-strength high-toughness polyvinyl chloride sheet material and production method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086201A (en) * | 2015-06-03 | 2015-11-25 | 西安昊锐电子科技有限公司 | Reinforcing material for PVC plastic panel and preparation for reinforcing material for PVC plastic panel |
| CN105131440A (en) * | 2015-09-24 | 2015-12-09 | 四川大学 | High-hardness low-compression permanent set rubber material and preparation method thereof |
| CN105153673A (en) * | 2015-07-15 | 2015-12-16 | 常州市武进金阳光电子有限公司 | Crack, oil and high temperature resistant polymer modified exterior wall material and production technology thereof |
| CN105585835A (en) * | 2016-02-29 | 2016-05-18 | 欧士玺 | Heat-insulation cushion for vehicles and manufacturing method thereof |
| CN106243424A (en) * | 2016-07-28 | 2016-12-21 | 无锡市凯达来塑胶有限公司 | A kind of frivolous floor of polrvinyl chloride |
| CN109705486A (en) * | 2017-10-25 | 2019-05-03 | 江苏瑞凌新能源科技有限公司 | A kind of superhard automobile parts plastic formula |
| CN110559487A (en) * | 2019-08-08 | 2019-12-13 | 东华大学 | High-toughness thermosetting layered elastomer of poly citrate and preparation method thereof |
| CN112873613A (en) * | 2021-03-09 | 2021-06-01 | 姜坤 | Repairing material and preparation process thereof |
-
2014
- 2014-02-23 CN CN201410059606.2A patent/CN103909703A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086201A (en) * | 2015-06-03 | 2015-11-25 | 西安昊锐电子科技有限公司 | Reinforcing material for PVC plastic panel and preparation for reinforcing material for PVC plastic panel |
| CN105153673A (en) * | 2015-07-15 | 2015-12-16 | 常州市武进金阳光电子有限公司 | Crack, oil and high temperature resistant polymer modified exterior wall material and production technology thereof |
| CN105131440A (en) * | 2015-09-24 | 2015-12-09 | 四川大学 | High-hardness low-compression permanent set rubber material and preparation method thereof |
| CN105131440B (en) * | 2015-09-24 | 2017-12-22 | 四川大学 | A kind of high rigidity low compression set elastomeric material and preparation method thereof |
| CN105585835A (en) * | 2016-02-29 | 2016-05-18 | 欧士玺 | Heat-insulation cushion for vehicles and manufacturing method thereof |
| CN106243424A (en) * | 2016-07-28 | 2016-12-21 | 无锡市凯达来塑胶有限公司 | A kind of frivolous floor of polrvinyl chloride |
| CN109705486A (en) * | 2017-10-25 | 2019-05-03 | 江苏瑞凌新能源科技有限公司 | A kind of superhard automobile parts plastic formula |
| CN110559487A (en) * | 2019-08-08 | 2019-12-13 | 东华大学 | High-toughness thermosetting layered elastomer of poly citrate and preparation method thereof |
| CN112873613A (en) * | 2021-03-09 | 2021-06-01 | 姜坤 | Repairing material and preparation process thereof |
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Application publication date: 20140709 |