CN105860545B - Siliceous polycarbonate and preparation method thereof - Google Patents
Siliceous polycarbonate and preparation method thereof Download PDFInfo
- Publication number
- CN105860545B CN105860545B CN201610410648.5A CN201610410648A CN105860545B CN 105860545 B CN105860545 B CN 105860545B CN 201610410648 A CN201610410648 A CN 201610410648A CN 105860545 B CN105860545 B CN 105860545B
- Authority
- CN
- China
- Prior art keywords
- polycarbonate
- resin
- preparation
- siliceous
- silicone polymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L87/00—Compositions of unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon bonds
- C08L87/005—Block or graft polymers not provided for in groups C08L1/00 - C08L85/04
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of siliceous polycarbonate and preparation method thereof comprising following component according to parts by weight: 80~98 parts of PC resin, 1~10 part of dimethyl silicone polymer, 1~10 part of SMA resin, 0.1~1 part of antioxidant, 0.1~1 part of lubricant.The preparation method includes the following steps: after PC resin, dimethyl silicone polymer, SMA resin, antioxidant and mix lubricant, to carry out being blended in double screw extruder to be granulated to get product.The present invention is with following the utility model has the advantages that being prepared using reactive extrursion, by reactive extrursion polycarbonate will be embedded in improve the low-temperature flexibility of material according to dimethyl siloxane, and silicone content can be adjusted as desired by the additional amount number for adjusting dimethyl silicone polymer, method flexibly and fast and eliminates expensive development cost, with production cost is saved, the feature of production efficiency and environmental protection is improved.
Description
Technical field
The present invention relates to a kind of siliceous polycarbonate and preparation method thereof, belong to technical field of polymer materials.
Background technique
Polycarbonate refers to the quasi polymer that macromolecular chain is made of carbonate constitutional repeating unit, English name
Polycarbonate, abbreviation PC, with excellent impact resistance and the transparency, excellent mechanical property and electrical insulating property make
With wide temperature range, dimensional stability is high, and creep resistant is high, is a kind of to integrate rigid, hard, tough typical plastics representative.By
Polycarbonate is made to be widely used in electronic apparatus, office appliance, precision machinery, medical treatment, labour protection, home-use in these advantages
Numerous field such as product and automobile.But the requirement with people to material property is higher and higher, it is general in some special dimensions
Logical bisphenol-A-type polycarbonate is no longer satisfied requirement.
It is well known that the conventional subzero 10 DEG C of erosion-resisting characteristics of PC are just remarkably decreased, the PC of siliceous copolymerization but -30 DEG C~-
40 DEG C, it is still able to maintain room temperature level, additionally there is better weather resistance and excellent flame retardant property.But it is siliceous poly-
Carbonic ester synthesis technology mainly concentrates a small number of poly- carbonic acid production firms, and price is significantly larger than common polycarbonate, seriously constrains
The application of siliceous polycarbonate.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of siliceous polycarbonate and preparation method thereof.
The present invention is achieved by the following technical solutions:
In a first aspect, the present invention provides a kind of siliceous polycarbonate comprising following component according to parts by weight:
Preferably, the PC resin is bisphenol A polycarbonate.
Preferably, in the SMA resin, the molar ratio of styrene and maleic anhydride is 1:1~2:1.
Preferably, the antioxidant is selected from four [β-(3,5- di-t-butyl 4- hydroxy phenyl) propionic acid] pentaerythrites
Ester, triethylene-glycol bis- [β-(3- tertiary butyl-4-hydroxy -5- aminomethyl phenyl) propionic esters], double stearyl alcohol pentaerythrites
One or more of diphosphites, three (2,4- di-tert-butyl-phenyl) phosphite esters.
Preferably, the lubricant is selected from atoleine, solid paraffin, silane polymer, fatty acid salt, tristearin
One of sour amide, calcium stearate, zinc stearate, methylene bis stearic amide and N, N- ethylene bis stearic acid amide are several
Kind.
Second aspect, the present invention provides a kind of preparation methods of siliceous polycarbonate as the aforementioned comprising following step
It is rapid:
After PC resin, dimethyl silicone polymer, SMA resin, antioxidant and mix lubricant, in double screw extruder
Be blended and is granulated to get product.
Preferably, the blending temperature of the double screw extruder be 260~320 DEG C, screw speed be 300~
1000r/min。
Preferably, the screw rod of the double screw extruder is the screw rod of moderate shear intensity or more.
The purpose of the present invention is preparing siliceous polycarbonate, the amount of added dimethyl silicone polymer is mainly according to mesh
Preceding content addition on sale on the market, furthermore if added dimethyl silicone polymer excessively can seriously reduce polycarbonate material
The heat resistance of material, it is unobvious that additive amount lacks the too low then effect of silicone content in then polycarbonate excessively, and the effect of the SMA added is then
It is that dimethyl silicone polymer and polycarbonate strand link together.
Compared with prior art, the present invention have it is following the utility model has the advantages that
It is prepared using reactive extrursion, polycarbonate will be embedded according to dimethyl siloxane to improve material by reactive extrursion
Low-temperature flexibility, and silicone content can be adjusted as desired by the additional amount number for adjusting dimethyl silicone polymer,
Method flexibly and fast and eliminates expensive development cost, has and saves production cost, improves the spy of production efficiency and environmental protection
Point.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
In the present invention, the bisphenol A polycarbonate scientific name is bis- (4 '-hydroxy phenyl) the propane polycarbonate of 2,2-,
English name Bisphenol-Atype po1ycarbonate is the polycarbonate of molecular backbone ester structure containing bisphenol-A；The benzene
The molar ratio of ethylene maleic acid anhydride copolymer SMA, styrene and maleic anhydride is 1:1 to 2:1；The polydimethylsiloxanes
Alkane passes through nSi (CH3)2Cl2+nH2O→[Si(CH3)2O]n+ 2nHCl reaction preparation, is then removed by way of vacuumizing mixed
The HCl gas in liquid is closed, thus dimethyl silicone polymer of the preparation containing active function groups；The antioxidant is selected from four [β-
(3,5- di-t-butyl 4- hydroxy phenyl) propionic acid] pentaerythritol ester, the bis- [β-(3- tertiary butyl-4-hydroxy -5- of triethylene-glycol
Aminomethyl phenyl) propionic ester], double stearyl alcohol pentaerythritol diphosphites, three (2,4- di-tert-butyl-phenyl) phosphite esters
One or more of mixture；The lubricant be selected from atoleine, solid paraffin, silane polymer, fatty acid salt,
One of stearic amide, calcium stearate, zinc stearate, methylene bis stearic amide and N, N- ethylene bis stearic acid amide or
Several mixtures.
Embodiment 1
1, it stocks up by following components and parts by weight:
2, PC resin, dimethyl silicone polymer, styrene-maleic anhydride copolymer SMA, antioxidant and lubricant are added
Enter to be added in mixing and blending machine and be mixed；
3, the mixture of step 2 is blended by double screw extruder and is granulated, alloy particle, the machine barrel temperature of extruder is made
Degree is 260 DEG C, screw speed 600rpm.
The relative molecular weight of the PC resin is 6000g/mol, and glass transition temperature is 150 DEG C；
The styrene-maleic anhydride copolymer SMA is SMA 1000, and the molar ratio of styrene and maleic anhydride is
1:1；
The dimethyl silicone polymer passes through nSi (CH3)2Cl2+nH2O→[Si(CH3)2O]n+ 2nHCl reaction preparation obtains
Obtaining is sealing end product；
The antioxidant is double stearyl alcohol pentaerythritol diphosphites；
The lubricant is the mixing of 0.2 part of atoleine and 0.1 part of solid paraffin.
Embodiment 2
1, it stocks up by following components and parts by weight:
2, PC resin, dimethyl silicone polymer, styrene-maleic anhydride copolymer SMA, antioxidant and lubricant are added
Enter to be added in mixing and blending machine and be mixed；
3, the mixture of step 2 is blended by double screw extruder and is granulated, alloy particle, the machine barrel temperature of extruder is made
Degree is 260 DEG C, screw speed 600rpm.
The relative molecular weight of the PC resin is 6000g/mol, and glass transition temperature is 150 DEG C；
The styrene-maleic anhydride copolymer SMA is SMA 1000, and the molar ratio of styrene and maleic anhydride is
1:1；
The dimethyl silicone polymer passes through nSi (CH3)2Cl2+nH2O→[Si(CH3)2O]n+ 2nHCl reaction preparation obtains
Obtaining is sealing end product；
The antioxidant is double stearyl alcohol pentaerythritol diphosphites；
The lubricant is the mixing of 0.2 part of atoleine and 0.1 part of solid paraffin.
Comparative example 1
1, it stocks up by following components and parts by weight:
2, PC resin, dimethyl silicone polymer, styrene-maleic anhydride copolymer SMA, antioxidant and lubricant are added
Enter to be added in mixing and blending machine and be mixed；
3, the mixture of step 2 is blended by double screw extruder and is granulated, alloy particle, the machine barrel temperature of extruder is made
Degree is 260 DEG C, screw speed 600rpm.
The relative molecular weight of the PC resin is 6000g/mol, and glass transition temperature is 150 DEG C；
The styrene-maleic anhydride copolymer SMA is SMA 1000, and the molar ratio of styrene and maleic anhydride is
1:1；
The dimethyl silicone polymer passes through nSi (CH3)2Cl2+nH2O→[Si(CH3)2O]n+ 2nHCl reaction preparation obtains
Obtaining is sealing end product；
The antioxidant is double stearyl alcohol pentaerythritol diphosphites；
The lubricant is the mixing of 0.2 part of atoleine and 0.1 part of solid paraffin.
Comparative example 2
1, it stocks up by following components and parts by weight:
2, PC resin, dimethyl silicone polymer, styrene-maleic anhydride copolymer SMA, antioxidant and lubricant are added
Enter to be added in mixing and blending machine and be mixed；
3, the mixture of step 2 is blended by double screw extruder and is granulated, alloy particle, the machine barrel temperature of extruder is made
Degree is 260 DEG C, screw speed 600rpm.
The relative molecular weight of the PC resin is 6000g/mol, and glass transition temperature is 150 DEG C；
The styrene-maleic anhydride copolymer SMA is SMA 1000, and the molar ratio of styrene and maleic anhydride is
1:1；
The dimethyl silicone polymer passes through nSi (CH3)2Cl2+nH2O→[Si(CH3)2O]n+ 2nHCl reaction preparation obtains
Obtaining is sealing end product；
The antioxidant is double stearyl alcohol pentaerythritol diphosphites；
The lubricant is the mixing of 0.2 part of atoleine and 0.1 part of solid paraffin.
Performance test
Embodiment and comparative example and polycarbonate injection moulded are subjected to ISO IZOD impact experiment.Test result is as follows:
1 scratch-resistant level estimate result of table
| Performance | Embodiment 1 | Embodiment 2 | Comparative example 1 | Comparative example 2 | Polycarbonate -2805 |
| IZOD23℃ | 91 | 88 | 80 | 84 | 85 |
| IZOD-30℃ | 64 | 54 | 9 | 13 | 12 |
In conclusion polymethyl siloxane, which is accessed polycarbonate, by SMA forms block copolymer, can significantly improve
The low temperature impact properties of material.Contain relative to prepared by the present invention known to direct addition polymethyl siloxane and pure polycarbonate
Silicon polycarbonate low temperature impact properties are obviously improved compared with polycarbonate.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (6)
1. a kind of siliceous polycarbonate, which is characterized in that including following component according to parts by weight:
The PC resin is bisphenol A polycarbonate；
In the SMA resin, the molar ratio of styrene and maleic anhydride is 1:1~2:1；
The dimethyl silicone polymer passes through nSi (CH3)2Cl2+nH2O→[Si(CH3)2O]n+ 2nHCl reaction preparation.
2. siliceous polycarbonate as described in claim 1, which is characterized in that the antioxidant is selected from four [β-(3,5- bis- tertiary fourths
Base 4- hydroxy phenyl) propionic acid] pentaerythritol ester, the bis- [β-(3- tertiary butyl-4-hydroxy -5- aminomethyl phenyl) third of triethylene-glycol
Acid esters], double stearyl alcohol pentaerythritol diphosphites, one of three (2,4- di-tert-butyl-phenyl) phosphite esters or several
Kind.
3. siliceous polycarbonate as described in claim 1, which is characterized in that the lubricant is selected from atoleine, solid stone
In wax, silane polymer, fatty acid salt, stearic amide, methylene bis stearic amide and N, N- ethylene bis stearic acid amide
It is one or more of.
4. a kind of preparation method of siliceous polycarbonate as described in claim 1, which comprises the steps of:
After PC resin, dimethyl silicone polymer, SMA resin, antioxidant and mix lubricant, carried out in double screw extruder
It is blended and is granulated to get product.
5. the preparation method of siliceous polycarbonate as claimed in claim 4, which is characterized in that the double screw extruder is total to
Mixed temperature is 260~320 DEG C, and screw speed is 300~1000r/min.
6. the preparation method of siliceous polycarbonate as claimed in claim 4, which is characterized in that the spiral shell of the double screw extruder
Bar is the screw rod of moderate shear intensity or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410648.5A CN105860545B (en) | 2016-06-13 | 2016-06-13 | Siliceous polycarbonate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410648.5A CN105860545B (en) | 2016-06-13 | 2016-06-13 | Siliceous polycarbonate and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105860545A CN105860545A (en) | 2016-08-17 |
| CN105860545B true CN105860545B (en) | 2019-05-10 |
Family
ID=56650078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610410648.5A Active CN105860545B (en) | 2016-06-13 | 2016-06-13 | Siliceous polycarbonate and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105860545B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107759914A (en) * | 2017-10-19 | 2018-03-06 | 中广核俊尔（上海）新材料有限公司 | A kind of automobile-used modified ASA material and preparation method thereof |
| CN109337276A (en) * | 2018-09-13 | 2019-02-15 | 广东锦湖日丽高分子材料有限公司 | A kind of ASA resin composition of low-temperature impact-resistant and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4861829A (en) * | 1985-12-06 | 1989-08-29 | Bayer Aktiengesellschaft | Thermoplastic polycarbonate moulding materials |
| US5023297A (en) * | 1989-12-22 | 1991-06-11 | General Electric Company | Impact and solvent resistant polycarbonate composition |
| CN104004335A (en) * | 2014-05-05 | 2014-08-27 | 上海锦湖日丽塑料有限公司 | High-safety polycarbonate composition and preparation method thereof |
| CN104845308A (en) * | 2014-11-19 | 2015-08-19 | 青岛同创节能环保工程有限公司 | Flame-retardant and modified PC/PBT alloy material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201335275A (en) * | 2012-01-27 | 2013-09-01 | Cheil Ind Inc | Polycarbonate resin composition with excellent colorability, impact resistance and scratch resistance |
-
2016
- 2016-06-13 CN CN201610410648.5A patent/CN105860545B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4861829A (en) * | 1985-12-06 | 1989-08-29 | Bayer Aktiengesellschaft | Thermoplastic polycarbonate moulding materials |
| US5023297A (en) * | 1989-12-22 | 1991-06-11 | General Electric Company | Impact and solvent resistant polycarbonate composition |
| CN104004335A (en) * | 2014-05-05 | 2014-08-27 | 上海锦湖日丽塑料有限公司 | High-safety polycarbonate composition and preparation method thereof |
| CN104845308A (en) * | 2014-11-19 | 2015-08-19 | 青岛同创节能环保工程有限公司 | Flame-retardant and modified PC/PBT alloy material |
Non-Patent Citations (1)
| Title |
|---|
| "Karstedt 催化剂对聚硅氧烷/PC 阻燃性能的影响";陈科，等;《复合材料学报》;20110630;第28卷(第3期);第42-49页 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105860545A (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105899607B (en) | Poly carbonate resin composition | |
| CN106147187B (en) | A kind of high glaze halogen-free flame retardant PC material and preparation method thereof | |
| CN105849153B (en) | Copolycarbonate and the composition comprising the Copolycarbonate | |
| CN102977592B (en) | A kind of POSS/PA6 composite and preparation method thereof | |
| CN104086968B (en) | A kind of makrolon/polylactic acid alloy material of scratch-resistant and preparation method thereof | |
| CN107903567A (en) | A kind of flame-proof ABS/POK alloys and preparation method thereof | |
| CN102731921B (en) | Weatherproof polymer alloy used for replacing ABS | |
| CN110229491A (en) | A kind of composite material and preparation method of transparent halogen-free and flame-retardant polycarbonate | |
| CN105860545B (en) | Siliceous polycarbonate and preparation method thereof | |
| CN1159413C (en) | Flame retardant and flame-retardant resin composition contg. same | |
| CN110204879A (en) | Polycarbonate compositions and preparation method thereof | |
| CN112552663A (en) | High-fluidity flame-retardant polylactic acid composite material | |
| CN115011096B (en) | High-hardness scratch-resistant polycarbonate composite material and preparation method thereof | |
| CN104725797B (en) | Method for preparing flame-retardant plastic composite material | |
| CN105860489B (en) | Low-friction coefficient PC/ABS alloy materials and preparation method thereof | |
| CN104119662A (en) | Double-component compatilizer-toughened low-temperature-resistant PC/ABS (polycarbonate/acrylonitrile-butadiene-styrene) alloy and preparation method thereof | |
| CN110483970A (en) | A kind of high-intensitive modified PC material | |
| CN102358800B (en) | Halogen free flame retardant PC / ABS alloy and preparation method thereof | |
| CN106589889A (en) | High-performance polycarbonate composite material and preparation method and application thereof | |
| CN108017894B (en) | High-low temperature resistant hydrolysis-resistant PC alloy and preparation method thereof | |
| CN102850761B (en) | Scratch-resistant polycarbonate and preparation method thereof | |
| CN109280354A (en) | A kind of PC-PET alloy and its preparation method and application with low-temperature impact resistance and ageing-resistant performance | |
| CN114230999A (en) | Halogen-free flame-retardant antistatic polycarbonate resin composition and preparation method thereof | |
| CN103467959A (en) | High-heat-resistance easily-formed halogen-free flame-retardant polycarbonate (PC) composition and preparation method thereof | |
| CN114479407A (en) | Thin-wall flame-retardant polycarbonate material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |