CN108752775A - A kind of flame-retarded heat-conducting recycling PS composite material and preparation methods - Google Patents
A kind of flame-retarded heat-conducting recycling PS composite material and preparation methods Download PDFInfo
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- CN108752775A CN108752775A CN201810639356.8A CN201810639356A CN108752775A CN 108752775 A CN108752775 A CN 108752775A CN 201810639356 A CN201810639356 A CN 201810639356A CN 108752775 A CN108752775 A CN 108752775A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/267—Magnesium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of flame-retarded heat-conducting recycle PS composite material and preparation methods, weigh 80 parts -100 parts recycling PS, 20 parts -30 parts of recycling PC, 12 parts of -16 parts of fire retardants, 3 parts of -5 parts of calcium silicate whiskers, 8 parts of -12 parts of Bi2O3, 0.1 part of -0.5 part of antioxidant, 0.1 part of -0.3 part of SEBS-g-MAH be mixed and stirred for uniformly, obtaining mixture；By obtained mixture by double screw extruder extruding pelletization to get to PS composite materials.This technology innovatively carries out compounding as main flame retardant using eight bromine bisphenol S ethers and anhydrous magnesium carbonate, and calcium silicate whisker promotes the flame retardant property of PS composite materials as synergistic flame retardant jointly；As synergistic flame retardant, it has typical porous structure, can be catalyzed and be expanded into carbon calcium silicate whisker, promotes the flame retardant property of PS composite materials.
Description
Technical field
The invention belongs to technical field of polymer materials, a kind of flame-retarded heat-conducting recycling PS composite materials and its system are particularly related to
Preparation Method.
Background technology
Recycling polystyrene (PS) be common polyolefin feed back one kind, it can be widely applied to automobile, household electrical appliances,
The fields such as machinery.But the shortcomings of its there is also toughness low, poor fire, general thermal conductivity, which greatly limits recycling PS
Application.
Given this reason, the technical program innovation have synthesized a kind of flame-retarded heat-conducting recycling PS composite materials, it impacts tough
Property it is also very excellent, this extend recycling PS composite materials application range, have very important significance.
Invention content
The object of the present invention is to provide a kind of flame-retarded heat-conductings to recycle PS composite material and preparation methods, to solve recycling PS
The problems such as toughness of material is low, poor fire and thermal conductivity are general.
The present invention is achieved by the following technical solutions：
A kind of flame-retarded heat-conducting recycling PS composite materials, it is composed of the following components by weight：
The fire retardant is the mixture of eight bromine bisphenol S ethers and anhydrous magnesium carbonate.
The mass ratio of the eight bromines bisphenol S ether and anhydrous magnesium carbonate is 3：1.
The synergistic flame retardant is calcium silicate whisker.
The heat filling is bismuth oxide.
The antioxidant is three (2,4- di-t-butyl) phenyl-phosphites, four [β-(3,5- di-tert-butyl-hydroxy phenyl)
Propionic acid] pentaerythritol ester or 1,3,5- trimethyls -2,4, one kind or several in 6- (3,5- di-t-butyl -4- hydroxyphenylmethyls) benzene
The mixing of kind.
The compatilizer is SEBS-g-MAH.
Any of the above-described flame-retarded heat-conducting recycles the preparation method of PS composite materials, includes the following steps：
(1) weigh 80 parts -100 parts recycling PS, 20 parts -30 parts of recycling PC, 12 parts of -16 parts of fire retardants, 3 parts of -5 parts of silicon
Sour calcium pyroborate, 8 parts of -12 parts of Bi2O3, 0.1 part of -0.5 part of antioxidant, 0.1 part of -0.3 part of SEBS-g-MAH be mixed and stirred for uniformly,
Obtain mixture；
(2) by the mixture obtained in step (1) by double screw extruder extruding pelletization to get to PS composite materials.
The step (2) is specially：The mixture obtained in step (1) is put into the hopper of double screw extruder and is squeezed
Go out to be granulated to get to PS composite materials, wherein the double screw extruder includes six humidity provinces sequentially arranged, area's temperature
160~180 DEG C of degree, two 210~250 DEG C of area's temperature, three 210~250 DEG C of area's temperature, four 210~250 DEG C of area's temperature, five area's temperature
210~250 DEG C of degree, six 210~250 DEG C of area's temperature, 210~250 DEG C of head temperature, 200~280r/min of screw speed.
The method have the benefit that：
1, this technology innovatively carries out compounding as main flame retardant using eight bromine bisphenol S ethers and anhydrous magnesium carbonate, and calcium silicates is brilliant
The flame retardant property of PS composite materials must be promoted jointly as synergistic flame retardant.
2, as synergistic flame retardant, it has typical porous structure, can be catalyzed and be expanded into carbon calcium silicate whisker, is promoted
The flame retardant property of PS composite materials.
3、Bi2O3Addition improve the heat conductivilitys of PS composite materials.
4, the addition of PC improves the toughness of PS composite materials.
5, this technology is obtained recycles PS composite materials, and at low cost, toughness is good, and anti-flammability, thermal conductivity are also very excellent, tool
There is prodigious dissemination.
Specific implementation mode
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is merely exemplary, only
It can be used for explanation and illustration technical scheme of the present invention, and be not to be construed as the limitation to technical solution of the present invention.
The application provides a kind of flame-retarded heat-conducting recycling PS composite materials, composed of the following components by weight：
Fire retardant is the mixture of eight bromine bisphenol S ethers and anhydrous magnesium carbonate；The quality of eight bromine bisphenol S ethers and anhydrous magnesium carbonate
Than being 3：1.
Synergistic flame retardant is calcium silicate whisker.
Heat filling is bismuth oxide (Bi2O3)。
Antioxidant is three (2,4- di-t-butyls) phenyl-phosphites (abbreviation Irganox168), the four [β-of BASF AG
(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester (abbreviation Irganox1010) or 1,3,5- trimethyls -2,4,
The mixing of one or more of 6- (3,5- di-t-butyl -4- hydroxyphenylmethyls) benzene (abbreviation Irganox1330).
Compatilizer is SEBS-g-MAH.
Any of the above-described flame-retarded heat-conducting recycles the preparation method of PS composite materials, includes the following steps：
(1) weigh 80 parts -100 parts recycling PS, 20 parts -30 parts of recycling PC, 12 parts of -16 parts of fire retardants, 3 parts of -5 parts of silicon
Sour calcium pyroborate, 8 parts of -12 parts of Bi2O3, 0.1 part of -0.5 part of antioxidant, 0.1 part of -0.3 part of SEBS-g-MAH be mixed and stirred for uniformly,
Obtain mixture；
(2) by the mixture obtained in step (1) by double screw extruder extruding pelletization to get to PS composite materials.
Step (2) is specially：The mixture obtained in step (1) is put into the hopper of double screw extruder to squeeze out and be made
Grain is to get to PS composite materials, wherein and double screw extruder includes six humidity provinces sequentially arranged, area's temperature 160~
180 DEG C, two 210~250 DEG C of area's temperature, three 210~250 DEG C of area's temperature, four 210~250 DEG C of area's temperature, five area's temperature 210~
250 DEG C, six 210~250 DEG C of area's temperature, 210~250 DEG C of head temperature, 200~280r/min of screw speed.
Embodiment 1
(1) 80 parts of recycling PS, 20 parts of recycling PC, 9 part of eight bromine bisphenol S ether, 3 parts of anhydrous magnesium carbonates, 3 parts of calcium silicates crystalline substances are weighed
Palpus, 8 parts of Bi2O3, 0.1 part of Irganox168,0.1 part of SEBS-g-MAH be mixed and stirred for uniformly, obtaining mixture；
(2) by the mixture extruding pelletization obtained in step (1) to get to recycling PS composite materials P1.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 160 DEG C of area's temperature, two 210 DEG C of area's temperature,
Three 210 DEG C of area's temperature, four 210 DEG C of area's temperature, five 210 DEG C of area's temperature, six 210 DEG C of area's temperature, 210 DEG C of head temperature, screw rod turn
Fast 200r/min.
Embodiment 2
(1) 100 parts of recycling PS, 30 parts of recycling PC, 12 part of eight bromine bisphenol S ether, 4 parts of anhydrous magnesium carbonates, 5 parts of calcium silicates are weighed
Whisker, 12 parts of Bi2O3, 0.1 part of Irganox168,0.2 part of Irganox1010,0.2 part of Irganox1330,0.3 part of SEBS-g-
MAH is mixed and stirred for uniformly, obtaining mixture；
(2) by the mixture extruding pelletization obtained in step (1) to get to recycling PS composite materials P2.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 180 DEG C of area's temperature, two 250 DEG C of area's temperature,
Three 250 DEG C of area's temperature, four 250 DEG C of area's temperature, five 250 DEG C of area's temperature, six 250 DEG C of area's temperature, 250 DEG C of head temperature, screw rod turn
Fast 280r/min.
Embodiment 3
(1) 90 parts of recycling PS, 25 parts of recycling PC, 10.5 part of eight bromine bisphenol S ether, 3.5 parts of anhydrous magnesium carbonates, 4 parts of silicon are weighed
Sour calcium pyroborate, 10 parts of Bi2O3, 0.1 part of Irganox168,0.2 part of Irganox1010,0.2 part of SEBS-g-MAH be mixed and stirred for
Uniformly, mixture is obtained；
(2) by the mixture extruding pelletization obtained in step (1) to get to recycling PS composite materials P3.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 170 DEG C of area's temperature, two 230 DEG C of area's temperature,
Three 230 DEG C of area's temperature, four 230 DEG C of area's temperature, five 230 DEG C of area's temperature, six 230 DEG C of area's temperature, 230 DEG C of head temperature；Screw rod turns
Fast 240r/min.
Embodiment 4
(1) 95 parts of recycling PS, 27 parts of recycling PC, 12 part of eight bromine bisphenol S ether, 4 parts of anhydrous magnesium carbonates, 3 parts of calcium silicates are weighed
Whisker, 9 parts of Bi2O3, 0.1 part of Irganox1010,0.2 part of Irganox1330,0.1 part of SEBS-g-MAH be mixed and stirred for uniformly,
Obtain mixture；
(2) by the mixture extruding pelletization obtained in step (1) to get to recycling PS composite materials P4.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 165 DEG C of area's temperature, two 215 DEG C of area's temperature,
Three 215 DEG C of area's temperature, four 215 DEG C of area's temperature, five 215 DEG C of area's temperature, six 215 DEG C of area's temperature, 215 DEG C of head temperature；Screw rod turns
Fast 260r/min.
Embodiment 5
(1) 85 parts of recycling PS, 24 parts of recycling PC, 9 part of eight bromine bisphenol S ether, 3 parts of anhydrous magnesium carbonates, 4 parts of calcium silicates crystalline substances are weighed
Palpus, 11 parts of Bi2O3, 0.1 part of Irganox1010,0.2 part of Irganox168,0.3 part of SEBS-g-MAH be mixed and stirred for uniformly, obtaining
To mixture；
(2) by the mixture extruding pelletization obtained in step (1) to get to recycling PS composite materials P5.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 170 DEG C of area's temperature, two 230 DEG C of area's temperature,
Three 225 DEG C of area's temperature, four 225 DEG C of area's temperature, five 225 DEG C of area's temperature, six 225 DEG C of area's temperature, 225 DEG C of head temperature；Screw rod turns
Fast 250r/min.
Comparative example 1
(1) it is mixed that 95 parts of recycling PS, 0.1 part of Irganox1010,0.2 part of Irganox168,0.1 part of SEBS-g-MAH are weighed
Merging stirs evenly, and obtains mixture；
(2) by the mixture extruding pelletization obtained in step (1) to get to recycling PS composite materials D1.
Wherein each area's temperature of double screw extruder and screw speed are respectively：One 170 DEG C of area's temperature, two 230 DEG C of area's temperature,
Three 225 DEG C of area's temperature, four 225 DEG C of area's temperature, five 225 DEG C of area's temperature, six 225 DEG C of area's temperature, 225 DEG C of head temperature；Screw rod turns
Fast 250r/min.
Performance test：
Batten test, test is made with injection molding machine in recycling PS composite materials prepared by above-described embodiment 1-5 and comparative example 1
Data such as following table：
1 each embodiment of table and the test of comparative example properties of product
It can also be seen that the toughness of embodiment 1-5, anti-flammability, heat conductivility will be better than comparative example 1 from table.This for
The application field of extension recycling PS composite materials, has very important significance.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And deformation, the scope of the present invention are extremely equally limited by appended claims.
Claims (8)
1. a kind of flame-retarded heat-conducting recycles PS composite materials, which is characterized in that composed of the following components by weight：
The fire retardant is the mixture of eight bromine bisphenol S ethers and anhydrous magnesium carbonate.
2. flame-retarded heat-conducting according to claim 1 recycles PS composite materials, which is characterized in that the eight bromines bisphenol S ether and
The mass ratio of anhydrous magnesium carbonate is 3：1.
3. flame-retarded heat-conducting according to claim 1 recycles PS composite materials, which is characterized in that the synergistic flame retardant is silicon
Sour calcium pyroborate.
4. flame-retarded heat-conducting according to claim 1 recycles PS composite materials, which is characterized in that the heat filling is oxidation
Bismuth.
5. flame-retarded heat-conducting according to claim 1 recycles PS composite materials, which is characterized in that the antioxidant be three (2,
4- di-t-butyls) phenyl-phosphite, four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters or 1,3,5- tri-
Methyl -2,4, the mixing of one or more of 6- (3,5- di-t-butyl -4- hydroxyphenylmethyls) benzene.
6. flame-retarded heat-conducting according to claim 1 recycles PS composite materials, which is characterized in that the compatilizer is SEBS-
g-MAH。
7. any one of the claims 1 to 6 flame-retarded heat-conducting recycles the preparation method of PS composite materials, which is characterized in that packet
Include following steps：
(1) weigh 80 parts -100 parts recycling PS, 20 parts -30 parts of recycling PC, 12 parts of -16 parts of fire retardants, 3 parts of -5 parts of calcium silicates
Whisker, 8 parts of -12 parts of Bi2O3, 0.1 part of -0.5 part of antioxidant, 0.1 part of -0.3 part of SEBS-g-MAH be mixed and stirred for uniformly, obtaining
Mixture；
(2) by the mixture obtained in step (1) by double screw extruder extruding pelletization to get to PS composite materials.
8. the preparation method of flame-retarded heat-conducting recycling PS composite materials according to claim 7, which is characterized in that the step
(2) it is specially：The mixture obtained in step (1) is put into in the hopper of double screw extruder extruding pelletization to get to PS
Composite material, wherein the double screw extruder includes six humidity provinces sequentially arranged, 160~180 DEG C of area's temperature, and two
210~250 DEG C of area's temperature, three 210~250 DEG C of area's temperature, four 210~250 DEG C of area's temperature, five 210~250 DEG C of area's temperature, six
210~250 DEG C of area's temperature, 210~250 DEG C of head temperature, 200~280r/min of screw speed.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114539713A (en) * | 2022-04-20 | 2022-05-27 | 山东海科创新研究院有限公司 | Synergistic flame retardant, flame-retardant ABS composite material and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787188A (en) * | 2009-02-06 | 2010-07-28 | 深圳市科聚新材料有限公司 | Flame-retardant PC/HIPS composite material and preparation method thereof |
| CN103131110A (en) * | 2011-11-29 | 2013-06-05 | 上海杰事杰新材料(集团)股份有限公司 | Inflaming retarding poly carbonate(PC)/poly styrene (PS) mixed alloy materials and manufacture method and purpose thereof |
| CN103232644A (en) * | 2013-04-01 | 2013-08-07 | 深圳市亚塑科技有限公司 | Polystyrene composite material and its preparation method |
| CN107216559A (en) * | 2017-07-21 | 2017-09-29 | 安徽江淮汽车集团股份有限公司 | A kind of PS PC composites and preparation method thereof |
| CN107400343A (en) * | 2017-09-15 | 2017-11-28 | 安徽江淮汽车集团股份有限公司 | A kind of fire-retardant scratch-resistant PBT composite and preparation method thereof |
-
2018
- 2018-06-20 CN CN201810639356.8A patent/CN108752775B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787188A (en) * | 2009-02-06 | 2010-07-28 | 深圳市科聚新材料有限公司 | Flame-retardant PC/HIPS composite material and preparation method thereof |
| CN103131110A (en) * | 2011-11-29 | 2013-06-05 | 上海杰事杰新材料(集团)股份有限公司 | Inflaming retarding poly carbonate(PC)/poly styrene (PS) mixed alloy materials and manufacture method and purpose thereof |
| CN103232644A (en) * | 2013-04-01 | 2013-08-07 | 深圳市亚塑科技有限公司 | Polystyrene composite material and its preparation method |
| CN107216559A (en) * | 2017-07-21 | 2017-09-29 | 安徽江淮汽车集团股份有限公司 | A kind of PS PC composites and preparation method thereof |
| CN107400343A (en) * | 2017-09-15 | 2017-11-28 | 安徽江淮汽车集团股份有限公司 | A kind of fire-retardant scratch-resistant PBT composite and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 周文英等: "《导热高分子材料》", 30 April 2014, 国防工业出版社 * |
| 赵德水: "《现代科技知识词典》", 30 June 1997, 河海大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114539713A (en) * | 2022-04-20 | 2022-05-27 | 山东海科创新研究院有限公司 | Synergistic flame retardant, flame-retardant ABS composite material and preparation method thereof |
| CN114539713B (en) * | 2022-04-20 | 2023-08-11 | 山东海科创新研究院有限公司 | Synergistic flame retardant, flame-retardant ABS composite material and preparation method thereof |
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