CN103102609A - Mining high-impact flame-retardant special material for polyvinyl chloride (PVC)/6000-mesh superfine coarse whiting ore - Google Patents
Mining high-impact flame-retardant special material for polyvinyl chloride (PVC)/6000-mesh superfine coarse whiting ore Download PDFInfo
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- CN103102609A CN103102609A CN 201110358047 CN201110358047A CN103102609A CN 103102609 A CN103102609 A CN 103102609A CN 201110358047 CN201110358047 CN 201110358047 CN 201110358047 A CN201110358047 A CN 201110358047A CN 103102609 A CN103102609 A CN 103102609A
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Abstract
The invention relates to a mining high-impact flame-retardant special material for polyvinyl chloride (PVC)/6,000-mesh superfine coarse whiting ore and belongs to the technical field of high molecular materials. The mining high-impact flame-retardant special material for the PVC/6,000-mesh superfine coarse whiting ore is prepared from the following raw materials: PVC, an organic tin type stabilizer, a processing modifier, a plasticizer, a surface treating agent, an internal lubricant, an external lubricant, a flame retardant, a toughening agent and 6,000-mesh coarse whiting. The preparation method of the high-impact flame-retardant special material comprises the following steps of: fully mixing all the raw materials uniformly through a high-speed mixer to prepare PVC powder; and performing extrusion granulation on the PVC powder through an extruder to form a PVC/6000-mesh superfine coarse whiting antistatic cable hook special material. The mining high-impact flame-retardant special material for the PVC/6000-mesh superfine coarse whiting has high dispersity and compatibility, and can be used for improving the fluidity and processability of a system, endowing a PVC cable hook product with high physical and mechanical properties, ensuring that the product achieves toughening and strengthening effects and has high flame retardance, improving the safety in use, and lowering the cost of a PVC injection-molded item.
Description
Technical field
The present invention relates to technical field of polymer materials, especially the fire-retardant PP Pipe Compound of the mining high-impact of PVC/6000 order ultrafine heavy calcium.
Background technology
PVC injection moulding at present causes quality product to descend with the common inorganic powder mother material of a large amount of interpolation of particulate material, and is to such an extent as to PVC finished product material produce market is very different, increasingly competitive.The fire-retardant PP Pipe Compound of the mining high-impact of PVC/6000 order ultrafine heavy calcium of our company's development has following application characteristic: the fire-retardant PP Pipe Compound of this mining high-impact of PVC/6000 order ultrafine heavy calcium has higher dispersiveness and compatible; Improve by auxiliary agent and add toughner, fire retardant has good system mobility and processing characteristics, gives goods good physical and mechanical properties; Be enterprise's decrease material cost under the prerequisite that guarantees polyvinyl chloride fabricated product quality, improve the competitive power of enterprise market.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide to reduce costs, can satisfy simultaneously again the fire-retardant PP Pipe Compound of the mining high-impact of PVC/6000 order ultrafine heavy calcium that its outward appearance and internal performance require.
The present invention is achieved through the following technical solutions:
PVC/6000 order water-ground limestone valve PP Pipe Compound, it is characterized in that: its component and parts by weight are respectively:
90～110 parts of PVC;
6,000 3～30 parts of order water-ground limestones;
1.5～5 parts of organic tin stablizers;
0.5～4.5 part of modifier;
1～5 part, softening agent;
0.2～2 part of surface treatment agent;
0.3～1.2 part of internal lubricant;
0.4～1.5 part of external lubricant;
2～3 parts of toughner
3～6 parts of fire retardants
And, also can add pigment in the fire-retardant PP Pipe Compound of the described formation PVC/6000 mining high-impact of order ultrafine heavy calcium.
And described PVC is SG-7 type polyvinyl chloride resin or SG-8 type polyvinyl chloride resin or level injection moulding PVC resin specially.
And described calcium carbonate is 6000 purpose water-ground limestones, its Li Jing of 90%＜=2 μ m.
And described stablizer is the organic tin stablizer.
And described modifier is ACR-401 or polyacrylate(s) material.
And described softening agent is dioctyl phthalate (DOP) (DOP) or epoxy soybean oil.
And described surface treatment agent is silane or titanic acid ester or aluminate coupling agent or stearic acid, and the arbitrary combination mixture of above-mentioned substance.
And described internal lubricant is polyethylene wax or multi-alcohol or stearate or stearic acid.
And described external lubricant is paraffin.
And described toughner agent is CPE, and fire retardant is micro-capsule red phosphorus.
And its technology of preparing comprises the following steps:
(1) 6000 order water-ground limestones of preparation modification:
6000 order water-ground limestones are put into the high mixer high speed to be mixed, temperature begins dehumidifier when reaching 80 ℃ to 90 ℃, after temperature reaches 100 ℃ to 130 ℃, add surface treatment agent mix and blend 5 to 10min, then the compound in high mixer is put into and carried out coolingly in cold mixer, be cooled to the 6000 order inorganic material powders that discharging after 30 ℃ to 50 ℃ obtains modification;
(2) powder of the fire-retardant PP Pipe Compound of the preparation PVC/6000 mining high-impact of order ultrafine heavy calcium:
with PVC, softening agent is put into high mixer, mix and blend, temperature begins dehumidifier when reaching 75 ℃ to 90 ℃, in the time of dehumidifier with stablizer, 6000 order water-ground limestones after modification, internal lubricant, external lubricant, pigment is put into high mixer and is continued mix and blend, when temperature rises to 110 ℃ to 130 ℃, with the compound in high mixer put into carry out in cold mixer cooling, add processing toughner and fire retardant when being cooled to 70 ℃ to 80 ℃, discharging after continuing to be cooled to 30 ℃ to 50 ℃, the material of emitting is the powder of the fire-retardant PP Pipe Compound of the mining high-impact of PVC/6000 order ultrafine heavy calcium,
(3) the fire-retardant PP Pipe Compound of the preparation PVC/6000 mining high-impact of order ultrafine heavy calcium:
Powder extruding pelletization on twin screw extruder with the fire-retardant PP Pipe Compound of the mining high-impact of PVC/6000 order ultrafine heavy calcium, one district's temperature is 80～110 ℃ from the spout to the die head, two 80～110 ℃ of district's temperature, three 90～130 ℃ of district's temperature, four 95～130 ℃ of district's temperature, five 95～150 ℃ of district's temperature, six 50～140 ℃ of district's temperature, seven 60～150 ℃ of district's temperature, residence time is 0.5 ~ 2min, and engine speed is 200～600r/min, discharging, extrude rear cooling, dry, pelletizing, the fire-retardant PP Pipe Compound finished product of the mining high-impact of PVC/6000 order ultrafine heavy calcium.
Beneficial effect of the present invention and advantage are:
1. reasonably to add particle diameter be 6000 purpose water-ground limestones to the fire-retardant PP Pipe Compound internal medicine of the mining high-impact of this PVC/6000 order ultrafine heavy calcium, and improved the technique of powder preparation, adopt the operation of dehumidifying and modification in preparation process, 6000 order heavy calcium carbonate powders of interpolation are changed to Organic by inorganic nature, change into the oleophilic drainage performance by surface hydrophilic oleophobic performance, the problem of particle aggregation and bad dispersibility when successfully having solved 6000 order heavy calcium carbonate powders interpolation, make the fire-retardant PP Pipe Compound process systems of the mining high-impact of PVC/6000 order ultrafine heavy calcium improve dispersed and compatible, improvement system flowing property and processing characteristics, and can give PVC valve goods physical and mechanical properties preferably, toughness and erosion-resisting characteristics have been improved.
2. the 6000 order water-ground limestones used of the present invention, its grain footpath＜=2 μ m(of 90% can be expressed as D90≤2 μ m), both had advantages of the part nano-powder, substantially solved again the shortcoming of nano-powder " easily reunite, the difficult dispersion ".
3. the present invention can be according to practical situation, under the prerequisite that does not reduce performance index, select 6000 order water-ground limestones of Different adding amount to reach the purpose that reduces production costs, can save 5%～15% cost according to different additions and the product comparison of corresponding common fillers, effectively improve the market competitiveness of product.The fire-retardant PP Pipe Compound thermostability of the mining high-impact of PVC/6000 order ultrafine heavy calcium involved in the present invention obtains larger raising than traditional product.
Embodiment
The present invention is described in further detail by following examples, and following embodiment is illustrative, is not determinate, can not limit protection scope of the present invention with following embodiment.
Embodiment: the fire-retardant formula of special material of the mining high-impact of PVC/6000 order ultrafine heavy calcium:
PVC 120kg
Stablizer (commercially available organotin stabilizer) 5kg
Modifier (commercially available ACR-401 or polyacrylate(s) material) 3.3kg
Softening agent (DOP or ESO) 3.5kg
Internal lubricant (autogamy) 0.35kg
Paraffin (WAX) 0.44kg
Titanium dioxide (TiO2) 2kg
Whitening agent (commercially available) 0.05kg
6000 order water-ground limestone 26kg
Surface treatment agent (autogamy) 0.68kg
Toughner 2.5kg
Fire retardant 3kg
The 6000 order water-ground limestones of 15kg are put into high mixer (SRL-Z500/1000) high speed to be mixed, temperature begins dehumidifier when reaching 80 ℃, after reaching 110 ℃, temperature adds surface treatment agent mixing 10min, put compound into cold mixer, be cooled to the 6000 order water-ground limestones that discharging after 50 ℃ obtains modification; PVC, softening agent are put into high mixer, mix and blend, temperature begins dehumidifier when reaching 80 ℃, in the time of dehumidifier, 6000 order water-ground limestones, internal lubricant, paraffin, titanium dioxide, whitening agent after stablizer, modification are put into high mixer and continued mix and blend, when temperature rises to 120 ℃, with the compound in high mixer put into carry out in cold mixer cooling, add processing toughner and fire retardant when being cooled to 80 ℃, continue to be cooled to discharging after 40 ℃, the material of emitting is the powder of the fire-retardant PP Pipe Compound of the mining high-impact of PVC/6000 order ultrafine heavy calcium.
The powder of the fire-retardant PP Pipe Compound of the mining high-impact of PVC/6000 order ultrafine heavy calcium of producing by this formula namely can be made into the fire-retardant PP Pipe Compound of the mining high-impact of PVC/6000 order ultrafine heavy calcium through the extrusion shaping machine extruding pelletization.
The manufacturing process of the fire-retardant PP Pipe Compound of high-impact that PVC/6000 order ultrafine heavy calcium is mining is:
At the upper extruding pelletization of twin screw extruder (TE75/180 parallel dual-screw compounding extrusion unit), its extruding and pelletizing process (temperature ℃) parameter is as follows by following processing condition:
| One district | 2nd district | 3rd district | 4th district | 5th district | 6th district | 7th district | |
| Temperature, ℃ | 80～110 | 80～110 | 90～130 | 95～130 | 95～130 | 50～140 | 60～150 |
Residence time is 0.5 ~ 2min, and engine speed is 400r/min,, discharging, extrude rear cooling, dry, the fire-retardant PP Pipe Compound finished product of the mining high-impact of pelletizing PVC/6000 order ultrafine heavy calcium.
Above examples of implementation can be according to practical situation, under the prerequisite that does not reduce performance index, select 6000 order water-ground limestones of Different adding amount to reach the purpose that reduces production costs, can save 5%～15% cost according to different additions and the product comparison of corresponding common fillers.
Claims (10)
1.PVC/6000 the fire-retardant PP Pipe Compound of the mining high-impact of order ultrafine heavy calcium, it is characterized in that: its component and parts by weight are respectively:
90～110 parts of PVC;
6,000 3～30 parts of order water-ground limestones;
1.5～5 parts of organic tin stablizers;
0.5～4.5 part of modifier;
1～5 part, softening agent;
0.2～2 part of surface treatment agent;
0.3～1.2 part of internal lubricant;
0.4～1.5 part of external lubricant;
2～3 parts of toughner
3～6 parts of fire retardants.
2.
The fire-retardant PP Pipe Compound of the mining high-impact of PVC/6000 order ultrafine heavy calcium according to claim 1 is characterized in that: also can add pigment in the fire-retardant PP Pipe Compound of the described formation PVC/6000 mining high-impact of order water-ground limestone.
3. the fire-retardant PP Pipe Compound of the mining high-impact of PVC/6000 order ultrafine heavy calcium according to claim 1, it is characterized in that: described PVC is SG-7 type polyvinyl chloride resin or SG-8 type polyvinyl chloride resin or injection moulding PVC resin specially.
4. the fire-retardant PP Pipe Compound of the mining high-impact of PVC/6000 order ultrafine heavy calcium according to claim 1, it is characterized in that: described calcium carbonate is 6000 purpose water-ground limestones, its Li Jing of 90%＜=2 μ m.
5. the fire-retardant PP Pipe Compound of the mining high-impact of PVC/6000 order ultrafine heavy calcium according to claim 1, it is characterized in that: described stablizer is the organic tin stablizer.
6. the fire-retardant PP Pipe Compound of the mining high-impact of PVC/6000 order ultrafine heavy calcium according to claim 1, it is characterized in that: described modifier is ACR-401 or polyacrylate(s) material.
7. the fire-retardant PP Pipe Compound of the mining high-impact of PVC/6000 order ultrafine heavy calcium according to claim 1, it is characterized in that: described softening agent is dioctyl phthalate (DOP) (DOP) or epoxy soybean oil.
8. the fire-retardant PP Pipe Compound of the mining high-impact of PVC/6000 order ultrafine heavy calcium according to claim 1, it is characterized in that: described surface treatment agent is silane or titanic acid ester or aluminate coupling agent or stearic acid, and the arbitrary combination mixture of above-mentioned substance.
9. the fire-retardant PP Pipe Compound of the mining high-impact of PVC/6000 order ultrafine heavy calcium according to claim 1, it is characterized in that: described internal lubricant is polyethylene wax or multi-alcohol or stearate or stearic acid; Described external lubricant is paraffin.
10. the fire-retardant PP Pipe Compound of the mining high-impact of PVC/6000 order ultrafine heavy calcium according to claim 1, it is characterized in that: described static inhibitor is that the CPE. fire retardant is micro-capsule red phosphorus.
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| CN 201110358047 CN103102609A (en) | 2011-11-14 | 2011-11-14 | Mining high-impact flame-retardant special material for polyvinyl chloride (PVC)/6000-mesh superfine coarse whiting ore |
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| CN 201110358047 CN103102609A (en) | 2011-11-14 | 2011-11-14 | Mining high-impact flame-retardant special material for polyvinyl chloride (PVC)/6000-mesh superfine coarse whiting ore |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103881269A (en) * | 2014-03-21 | 2014-06-25 | 上海翔洲电气科技有限公司 | Plastic mine cable hook material |
| CN104231476A (en) * | 2014-09-10 | 2014-12-24 | 苏州新区枫盛塑料制品厂 | Environment-friendly PVC (polyvinyl chloride) plastic colloidal particle formula |
| CN104479244A (en) * | 2014-11-25 | 2015-04-01 | 新疆西部节水科技股份有限公司 | High-performance mining pipe and preparation method thereof |
| CN113234292A (en) * | 2021-04-01 | 2021-08-10 | 广东联塑科技实业有限公司 | High-toughness flame-retardant insulating PVC material and preparation method and application thereof |
-
2011
- 2011-11-14 CN CN 201110358047 patent/CN103102609A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103881269A (en) * | 2014-03-21 | 2014-06-25 | 上海翔洲电气科技有限公司 | Plastic mine cable hook material |
| CN104231476A (en) * | 2014-09-10 | 2014-12-24 | 苏州新区枫盛塑料制品厂 | Environment-friendly PVC (polyvinyl chloride) plastic colloidal particle formula |
| CN104479244A (en) * | 2014-11-25 | 2015-04-01 | 新疆西部节水科技股份有限公司 | High-performance mining pipe and preparation method thereof |
| CN113234292A (en) * | 2021-04-01 | 2021-08-10 | 广东联塑科技实业有限公司 | High-toughness flame-retardant insulating PVC material and preparation method and application thereof |
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Application publication date: 20130515 |