CN107880470A - A kind of SBS composites - Google Patents
A kind of SBS composites Download PDFInfo
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- CN107880470A CN107880470A CN201711112511.2A CN201711112511A CN107880470A CN 107880470 A CN107880470 A CN 107880470A CN 201711112511 A CN201711112511 A CN 201711112511A CN 107880470 A CN107880470 A CN 107880470A
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- Prior art keywords
- sbs
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- sio
- humidity province
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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
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
-
- 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
-
- 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
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
-
- 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
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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- 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 invention provides a kind of SBS composites, wherein the former includes following component by weight：SBS 50 parts 80 parts；PP‑g‑SiO24 parts 8 parts；HDPE 10 parts 20 parts；LDPE 3 parts 5 parts；0.5 part of antioxidant 0.1 part；0.8 part of lubricant 0.2 part.Added in the SBS composites of the present invention in SiO2Surface grafting PP PP g SiO2, improve SiO2Compatibility between particle and SBS, HDPE are advantageous to further improve SiO2Decentralization of the particle in SBS, so as to be advantageous to the toughened and reinforced function of fully hair brightness inorganic rigid particle, so as to significantly improve the toughness of SBS composites and intensity.
Description
Technical field
The present invention relates to polymeric material field, more particularly to a kind of SBS composites.
Background technology
Polystyrene-polybutadiene-polystyrene block copolymer (SBS) have chemical stability it is good, it is inexpensive and processing
Convenient advantage, it is one of general-purpose plastics important in current commercial Application, but its impact strength is not high, it is yielding, seriously
Limit SBS extensive use.
In order to expand SBS application field, toughness reinforcing is typically carried out to SBS using inorganic rigid particle, improves the strong of material
Degree and toughness, but because the surface energy between inorganic rigid particle and SBS differs larger, bonding interface is weak, makes phase between the two
Capacitive is poor, easily reunites, and have impact on inorganic rigid particle and disperses in SBS matrixes, seriously limits modified effect.
How compatibility inorganic rigid particle and SBS between is improved, to obtain the SBS composites of function admirable, into
For this area technical barrier urgently to be resolved hurrily.
The content of the invention
The technical problem to be solved in the present invention is to provide SBS composites of a kind of function admirable and preparation method thereof.
In order to solve the above technical problems, SBS composites provided by the invention include following component by weight：
Above-mentioned PP-g-SiO2For polypropylene (PP) grafted silica (SiO2), above-mentioned HDPE is high density polyethylene (HDPE).
Preferably, the antioxidant is by four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and three
The mixing composition of (2,4- di-tert-butyl-phenyl) phosphite ester in mass ratio 1: 1.
Preferably, the lubricant is the one or more in zinc stearate and calcium stearate.
Added in the SBS composites of the present invention in SiO2Surface grafting PP PP-g-SiO2, improve SiO2Particle
Compatibility between SBS, HDPE are advantageous to further improve SiO2Decentralization of the particle in SBS, so as to be advantageous to fully
The toughened and reinforced function of brightness inorganic rigid particle is sent out, so as to significantly improve the toughness of SBS composites and intensity.
Embodiment
To enable the above-mentioned purpose of invention, feature and advantage more obvious understandable, below to the specific implementation of the present invention
Mode is described in detail.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
It is different from other manner described here using other to implement, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
Embodiment 1
(1) add 10mL ammoniacal liquor in 300 DEG C of 200mL absolute ethyl alcohol to stir, after adding 8g tetraethyl orthosilicates
It is quick to stir 5min moderate-speed mixer 10h again, it is changed into blueness to reaction solution, obtains Nano-meter SiO_22Solution；
(2) 700g PP and 10g PP-g-MAH are added in step (1) to obtained Nano-meter SiO_22Solution high speed stirs
10min, obtain compound；
(3) compound obtained in step (2) is put into banbury after being kneaded and taken out, that is, obtain product PP-
g-SiO2(P1), wherein, the temperature of the first humidity province of banbury is 100 DEG C, and the temperature in second temperature area is 150 DEG C, the 3rd
The temperature of humidity province is 160 DEG C, and the temperature of the 4th humidity province is 160 DEG C, and the temperature of the 5th humidity province is 160 DEG C, banbury
Head temperature is 180 DEG C, screw speed 120r/min；
(4) 50 parts of SBS, 4 parts of P1,10 parts of HDPE, 3 parts of LDPE, 0.05 part of four [β-(3,5- di-t-butyl -4- hydroxyls are weighed
Phenyl) propionic acid] pentaerythritol ester, 0.05 part of three (2,4- di-tert-butyl-phenyl) phosphite ester, 0.2 part of zinc stearate mixes and stirs
Mix uniformly, obtain compound；
(5) compound obtained in step (4) is put into the hopper of double screw extruder and taken out after extruding pelletization
It is hot-forming on vulcanizing press, that is, SBS composite S1 are obtained, wherein, double screw extruder includes six sequentially to arrange
Humidity province, the temperature of the first humidity province for DEG C, the temperature in second temperature area for DEG C, the temperature of the 3rd humidity province for DEG C, the 4th temperature
Spend the temperature in area for DEG C, the temperature of the 5th humidity province for DEG C, the temperature of the 6th humidity province for DEG C, the head temperature of double screw extruder
Spend for 180 DEG C, screw speed 120r/min, the processing temperature of vulcanizing press is 160 DEG C, rotating speed 180r/min.
Embodiment 2
(1) 20mL ammoniacal liquor is added in 400 DEG C of 300mL absolute ethyl alcohol to stir, add 16g tetraethyl orthosilicates
10min moderate-speed mixer 12h again are quickly stirred afterwards, are changed into blueness to reaction solution, are obtained Nano-meter SiO_22Solution；
(2) 1100g PP and 16g PP-g-MAH are added in step (1) to obtained Nano-meter SiO_22Solution high speed stirs
12min, obtain compound；
(3) compound obtained in step (2) is put into banbury after being kneaded and taken out, that is, obtain product PP-
g-SiO2(P2), wherein, the temperature of the first humidity province of banbury is 150 DEG C, and the temperature in second temperature area is 180 DEG C, the 3rd
The temperature of humidity province is 180 DEG C, and the temperature of the 4th humidity province is 180 DEG C, and the temperature of the 5th humidity province is 180 DEG C, banbury
Head temperature is 190 DEG C, screw speed 240r/min；
(4) 80 parts of SBS, 8 parts of P2,20 parts of HDPE, 5 parts of LDPE, 0.25 part of four [β-(3,5- di-t-butyl -4- hydroxyls are weighed
Phenyl) propionic acid] pentaerythritol ester, 0.25 part of three (2,4- di-tert-butyl-phenyl) phosphite ester, 0.8 part of calcium stearate mixes and stirs
Mix uniformly, obtain compound；
(5) compound obtained in step (4) is put into the hopper of double screw extruder and taken out after extruding pelletization
It is hot-forming on vulcanizing press, that is, SBS composite S2 are obtained, wherein, double screw extruder includes six sequentially to arrange
Humidity province, the temperature of the first humidity province for DEG C, the temperature in second temperature area for DEG C, the temperature of the 3rd humidity province for DEG C, the 4th temperature
Spend the temperature in area for DEG C, the temperature of the 5th humidity province for DEG C, the temperature of the 6th humidity province for DEG C, the head temperature of double screw extruder
Spend for 190 DEG C, screw speed 240r/min, the processing temperature of vulcanizing press is 190 DEG C, rotating speed 220r/min.
Embodiment 3
(1) 15mL ammoniacal liquor is added in 350 DEG C of 250mL absolute ethyl alcohol to stir, add 12g tetraethyl orthosilicates
10min moderate-speed mixer 12h again are quickly stirred afterwards, are changed into blueness to reaction solution, are obtained Nano-meter SiO_22Solution；
(2) 1000g PP and 13g PP-g-MAH are added in step (1) to obtained Nano-meter SiO_22Solution high speed stirs
10min, obtain compound；
(3) compound obtained in step (2) is put into banbury after being kneaded and taken out, that is, obtain product PP-
g-SiO2(P3), wherein, the temperature of the first humidity province of banbury is 125 DEG C, and the temperature in second temperature area is 175 DEG C, the 3rd
The temperature of humidity province is 180 DEG C, and the temperature of the 4th humidity province is 180 DEG C, and the temperature of the 5th humidity province is 180 DEG C, banbury
Head temperature is 180 DEG C, screw speed 210r/min；
(4) 65 parts of SBS, 6 parts of P3,15 parts of HDPE, 4 parts of LDPE, 0.1 part of four [β-(3, the 5- bis- tertiary base -4- hydroxyls of fourth 5 are weighed
Phenyl) propionic acid] pentaerythritol ester, 0.1 part of three (2,4- di-tert-butyl-phenyl) phosphite ester, 0.5 part of calcium stearate mixes and stirs
Mix uniformly, obtain compound；
(5) compound obtained in step (4) is put into the hopper of double screw extruder and taken out after extruding pelletization
It is hot-forming on vulcanizing press, that is, SBS composite S3 are obtained, wherein, double screw extruder includes six sequentially to arrange
Humidity province, the temperature of the first humidity province for DEG C, the temperature in second temperature area for DEG C, the temperature of the 3rd humidity province for DEG C, the 4th temperature
Spend the temperature in area for DEG C, the temperature of the 5th humidity province for DEG C, the temperature of the 6th humidity province for DEG C, the head temperature of double screw extruder
Spend for 190 DEG C, screw speed 210r/min, the processing temperature of vulcanizing press is 175 DEG C, rotating speed 190r/min.
Although the present invention is described with reference to above example, the present invention is not limited to above-described embodiment,
And be only defined by the appended claims, those of ordinary skill in the art easily can modify and change to it, but simultaneously
Without departing from the essential idea and scope of the present invention.
Claims (3)
1. a kind of SBS composites, it is characterised in that by weight including following component：
2. SBS composites according to claim 1, it is characterised in that the antioxidant is by four [β-(3,5- bis- tertiary fourths
Base -4- hydroxy phenyls) propionic acid] pentaerythritol ester and three (2,4- di-tert-butyl-phenyl) phosphite ester 1: 1 mixing groups in mass ratio
Into.
3. SBS composites according to claim 1, it is characterised in that the lubricant is zinc stearate and stearic acid
One or more in calcium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711112511.2A CN107880470A (en) | 2017-11-10 | 2017-11-10 | A kind of SBS composites |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711112511.2A CN107880470A (en) | 2017-11-10 | 2017-11-10 | A kind of SBS composites |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107880470A true CN107880470A (en) | 2018-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711112511.2A Pending CN107880470A (en) | 2017-11-10 | 2017-11-10 | A kind of SBS composites |
Country Status (1)
| Country | Link |
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| CN (1) | CN107880470A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109679265A (en) * | 2018-11-12 | 2019-04-26 | 包惠芳 | A kind of SBS composite material |
| CN112646266A (en) * | 2020-11-27 | 2021-04-13 | 杭州龙源电力有限公司 | Non-crosslinked polypropylene material and cable |
-
2017
- 2017-11-10 CN CN201711112511.2A patent/CN107880470A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109679265A (en) * | 2018-11-12 | 2019-04-26 | 包惠芳 | A kind of SBS composite material |
| CN112646266A (en) * | 2020-11-27 | 2021-04-13 | 杭州龙源电力有限公司 | Non-crosslinked polypropylene material and cable |
| CN112646266B (en) * | 2020-11-27 | 2022-11-11 | 杭州龙源电力有限公司 | Non-crosslinked polypropylene material and cable |
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Application publication date: 20180406 |