CN102585477A - Formula of Si-system halogen-free flame-retardant PC (Poly Carbonate) and preparation method of Si-system halogen-free flame-retardant PC - Google Patents
Formula of Si-system halogen-free flame-retardant PC (Poly Carbonate) and preparation method of Si-system halogen-free flame-retardant PC Download PDFInfo
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- CN102585477A CN102585477A CN2012100496120A CN201210049612A CN102585477A CN 102585477 A CN102585477 A CN 102585477A CN 2012100496120 A CN2012100496120 A CN 2012100496120A CN 201210049612 A CN201210049612 A CN 201210049612A CN 102585477 A CN102585477 A CN 102585477A
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- flame retardant
- free flame
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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
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- Mechanical Engineering (AREA)
- Fireproofing Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a formula of Si-system halogen-free flame-retardant PC (Poly Carbonate). The formula comprises the following components in parts by weight: 83-90 parts of PC, 6-10 parts of polysiloxane fire retardant, 0.2-1 part of antioxidant, 0.5-1 part of lubricating agent, 3-5 parts of MBS (Methyl methacrylate-Butadiene-Styrene) and 0.5-1 part of other processing agents. The invention also discloses a preparation method of Si-system halogen-free flame-retardant PC. The preparation method comprises the following steps: selecting a PC raw material, and then baking the material; stirring the PC raw material; adding silicone oil to stir; adding the antioxidant, the lubricating agent and other processing agents to stir; adding MBS to stir; finally, adding the polysiloxane fire retardant to stir to obtain a semi-finished product; extruding the semi-finished product; and cooling, and pelleting to obtain the finished product. The flame-retardant PC material produced by using the preparation method has the advantages of good color, good performance, good high temperature resistance, good abrasion resistance and high repeated utilization, and conforms to the environmentally-friendly requirement.
Description
Technical field
The present invention relates to a kind of silicon is prescription of halogen-free flame retardant PC and preparation method thereof.
Background technology
Traditional fire retardation PC generally is to be basic material with PC; Add bromide fire retardant or some phosphorus series non-halogen fire retardants according to certain ratio; Contain halogen during the PC that produces by former approach is fire-retardant, more or less environment is produced certain pollution, the material non-refractory that peace latter method is produced; Fire retardant decomposes easily and causes deterioration in material properties, and very big obstacle is particularly arranged aspect recycling.
Summary of the invention
The invention provides a kind of silicon is prescription of halogen-free flame retardant PC and preparation method thereof, and the fire retardation PC material that this method is produced not only good colors, performance is good, and heatproof is high, and wear resistance is good, and more compliance with environmental protection requirements, reuse are very high.
The present invention has adopted following technical scheme: a kind of silicon is the prescription of halogen-free flame retardant PC, and this formula constituent is: PC 83-90 part, ZGK 5 based flame retardant 6-10 part, inhibitor 0.2-1 part, lubricant 0.5-1 part, MBS 3-5 part, other processing aid 0.5-1 part.
Said oxidation inhibitor is the mixture of antioxidant 1010 and oxidation inhibitor 168, and said lubricant is the mixture of EBS and Zinic stearas, and said other processing aid is the silicone powder.
A kind of silicon is the making method of halogen-free flame retardant PC, and it may further comprise the steps: step 1, choose the PC raw material, then the baking material; Step 2 with the PC raw material stirring, adds silicone oil then and stirs for some time; Add inhibitor, lubricant and other processing aid again and stir for some time; Add MBS and stir for some time, add the ZGK 5 based flame retardant at last and stir for some time, obtain work in-process; Step 3 is extruded the work in-process in the step 2, cools off then, carries out pelletizing at last, obtains finished product.
In the said step 1 PC raw material was dried by the fire 4 hours under the 120-135 degree; Add silicone oil in the said step 2 and stirred 1-2 minute, add inhibitor, lubricant and other processing aid and stirred 1-2 minute, add MBS and stirred 30 seconds, add the ZGK 5 based flame retardant at last and stirred 30 seconds; Adopt the cocurrent and parallel twin screw that the work in-process in the step 2 are extruded in the said step 3, temperature setting range 220-245 degree, engine speed 350-600 changes, and screw rod is selected the polymolecularity screw combinations for use; Adopt water-cooled and air cooling way to cool off in the said step 3; Adopt the pelletizing of planer-type dicing machine in the said step 3, cut size of particles be 3*3mm.
The present invention has following beneficial effect: the fire retardation PC material that the present invention produces not only good colors, performance is good; Heatproof is high; Wear resistance is good; More compliance with environmental protection requirements, reuse are very high, and this flame-retarded resin is widely used in electronic apparatus, power tool shell, lamp box billboard, wrapping material etc. simultaneously.
Embodiment
The invention provides the prescription that a kind of silicon is halogen-free flame retardant PC, this formula constituent is: PC 83-90 part, ZGK 5 based flame retardant 6-10 part, inhibitor 0.2-1 part, lubricant 0.5-1 part, MBS 3-5 part, other processing aid 0.5-1 part; Said oxidation inhibitor is the mixture of antioxidant 1010 and oxidation inhibitor 168, and said lubricant is the mixture of EBS and Zinic stearas, and said other processing aid is the silicone powder.
It is the making method of halogen-free flame retardant PC that the present invention also provides a kind of silicon, it is characterized in that it may further comprise the steps: step 1, choose the PC raw material, and the baking material dries by the fire the PC raw material 4 hours under the 120-135 degree then; Step 2 with the PC raw material stirring, adds silicone oil then and stirred 1-2 minute, adds inhibitor, lubricant and other processing aid again and stirs 1-2 minute, adds MBS and stirs 30 seconds, adds the ZGK 5 based flame retardant at last and stirs 30 seconds, obtains work in-process; Step 3 adopts the cocurrent and parallel twin screw work in-process in the step 2 to be extruded temperature setting range 220-245 degree; Engine speed 350-600 changes; Screw rod is selected the polymolecularity screw combinations for use, adopts water-cooled and air cooling way to cool off then, adopts the planer-type dicing machine to carry out pelletizing at last; Cut size of particles be 3*3mm, obtain finished product.
Claims (8)
1. the prescription that silicon is halogen-free flame retardant PC is characterized in that this formula constituent is: PC 83-90 part, ZGK 5 based flame retardant 6-10 part, inhibitor 0.2-1 part, lubricant 0.5-1 part, MBS 3-5 part, other processing aid 0.5-1 part.
2. a kind of silicon according to claim 1 is the prescription of halogen-free flame retardant PC, it is characterized in that said oxidation inhibitor is the mixture of antioxidant 1010 and oxidation inhibitor 168, and said lubricant is the mixture of EBS and Zinic stearas, and said other processing aid is the silicone powder.
3. a kind of silicon according to claim 1 is the making method of halogen-free flame retardant PC, it is characterized in that it may further comprise the steps: step 1, choose the PC raw material, then the baking material;
Step 2 with the PC raw material stirring, adds silicone oil then and stirs for some time; Add inhibitor, lubricant and other processing aid again and stir for some time; Add MBS and stir for some time, add the ZGK 5 based flame retardant at last and stir for some time, obtain work in-process;
Step 3 is extruded the work in-process in the step 2, cools off then, carries out pelletizing at last, obtains finished product.
4. a kind of silicon according to claim 3 is the making method of halogen-free flame retardant PC, it is characterized in that in the said step 1 PC raw material being dried by the fire 4 hours under the 120-135 degree.
5. a kind of silicon according to claim 3 is the making method of halogen-free flame retardant PC; It is characterized in that adding in the said step 2 silicone oil stirred 1-2 minute; Adding inhibitor, lubricant and other processing aid stirred 1-2 minute; Add MBS and stirred 30 seconds, add the ZGK 5 based flame retardant at last and stirred 30 seconds.
6. a kind of silicon according to claim 3 is the making method of halogen-free flame retardant PC; It is characterized in that adopting in the said step 3 cocurrent and parallel twin screw that the work in-process in the step 2 are extruded; Temperature setting range 220-245 degree; Engine speed 350-600 changes, and screw rod is selected the polymolecularity screw combinations for use.
7. a kind of silicon according to claim 3 is the making method of halogen-free flame retardant PC, it is characterized in that adopting in the said step 3 water-cooled and air cooling way to cool off.
8. a kind of silicon according to claim 3 is the making method of halogen-free flame retardant PC, it is characterized in that in the said step 3 adopting the pelletizing of planer-type dicing machine, cut size of particles be 3*3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100496120A CN102585477A (en) | 2012-02-29 | 2012-02-29 | Formula of Si-system halogen-free flame-retardant PC (Poly Carbonate) and preparation method of Si-system halogen-free flame-retardant PC |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100496120A CN102585477A (en) | 2012-02-29 | 2012-02-29 | Formula of Si-system halogen-free flame-retardant PC (Poly Carbonate) and preparation method of Si-system halogen-free flame-retardant PC |
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| CN102585477A true CN102585477A (en) | 2012-07-18 |
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| CN2012100496120A Pending CN102585477A (en) | 2012-02-29 | 2012-02-29 | Formula of Si-system halogen-free flame-retardant PC (Poly Carbonate) and preparation method of Si-system halogen-free flame-retardant PC |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103772954A (en) * | 2014-02-16 | 2014-05-07 | 杨谢 | Formula and production process of low-addition-amount halogen-free flame-retardant reinforced PC (Polycarbonate) |
| CN104592732A (en) * | 2015-01-30 | 2015-05-06 | 泰州艳阳天塑料科技有限公司 | Formula of low-additive halogen-free flame-retardant reinforced PC (polycarbonate) and production method for formula |
| CN107304289A (en) * | 2016-04-15 | 2017-10-31 | 上海事塔塑料有限公司 | A kind of makrolon material of high HDT high fire-retardances grade and products thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101469112A (en) * | 2007-12-24 | 2009-07-01 | 上海杰事杰新材料股份有限公司 | High tenacity halogen-free flame-retardant glass fiber reinforced polycarbonate composition |
| CN101942186A (en) * | 2010-09-08 | 2011-01-12 | 中蓝晨光化工研究院有限公司 | Halogen-free flame-retardant polycarbonate material and preparation method thereof |
-
2012
- 2012-02-29 CN CN2012100496120A patent/CN102585477A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101469112A (en) * | 2007-12-24 | 2009-07-01 | 上海杰事杰新材料股份有限公司 | High tenacity halogen-free flame-retardant glass fiber reinforced polycarbonate composition |
| CN101942186A (en) * | 2010-09-08 | 2011-01-12 | 中蓝晨光化工研究院有限公司 | Halogen-free flame-retardant polycarbonate material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103772954A (en) * | 2014-02-16 | 2014-05-07 | 杨谢 | Formula and production process of low-addition-amount halogen-free flame-retardant reinforced PC (Polycarbonate) |
| CN104592732A (en) * | 2015-01-30 | 2015-05-06 | 泰州艳阳天塑料科技有限公司 | Formula of low-additive halogen-free flame-retardant reinforced PC (polycarbonate) and production method for formula |
| CN107304289A (en) * | 2016-04-15 | 2017-10-31 | 上海事塔塑料有限公司 | A kind of makrolon material of high HDT high fire-retardances grade and products thereof |
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Application publication date: 20120718 |