CN109575434A - A kind of extrusion grade high heat-resisting polypropylene material and preparation method thereof - Google Patents
A kind of extrusion grade high heat-resisting polypropylene material and preparation method thereof Download PDFInfo
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- CN109575434A CN109575434A CN201710915587.2A CN201710915587A CN109575434A CN 109575434 A CN109575434 A CN 109575434A CN 201710915587 A CN201710915587 A CN 201710915587A CN 109575434 A CN109575434 A CN 109575434A
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- high heat
- grade high
- antioxidant
- extrusion grade
- polypropylene material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
It is to be formed by polypropylene, mineral-filled, toughener, lubricant, antioxidant and compounding heat-resistant agent, the steady compounding agent of light through mixing, extruding pelletization the invention discloses a kind of extrusion grade high heat-resisting polypropylene material and preparation method thereof.Material of the present invention imparts the higher heat aging property of polypropylene material, light aging resisting property by using compounding heat-resistant agent.Guarantee the excellent mechanical property of materials simultaneously, further expands its application in terms of the conveying of chemical pipeline liquid and stocking system.
Description
Technical field
The invention belongs to polypropylene material technical fields, and in particular to a kind of extrusion grade high heat-resisting polypropylene material and its system
Preparation Method.
Background technique
As polypropylene pipe is used widely in terms of machine-building, petrochemical industry and all kinds of agroindustries, in recent years
Come, has spread over more areas.And because the impact strength of polypropylene material, ageing-resistant performance and heat resistance are slightly poor
Deng causing tubing market, there are certain limitations.But the raw material accounting of PP type is big, cost of material is low, and passes through modified energy,
Its excellent machine top performance, the most wide plastic product of dosage after having made it grow into polyethylene.
For many years, it is dedicated to the problems such as improving polypropylene based material, overcoming resistance to ag(e)ing, resistance to heat differential, and gradually expands it
Market application.
Summary of the invention
In view of the deficiencies of the prior art, the object of the present invention is to provide a kind of extrusion grade high heat-resisting polypropylene material and its systems
Preparation Method, it is intended to meet requirement of the current material in terms of fire-retardant/high tenacity.
Technical scheme is as follows:
A kind of extrusion grade high heat-resisting polypropylene material, the material are prepared by weight by following components:
The compounding heat-resistant agent be thioester antioxidant, matal deactivator and sulfur-bearing phenyl phosphites metalloid from
Sub- passivator is that 1:2:2 is constituted in mass ratio.
Further scheme, the polypropylene are at least one of homopolypropylene, copolymer polypropylene.
Described is mineral-filled at least one of talcum powder, calcium carbonate, mica powder.
The partial size mesh number of the mica powder, talcum powder and calcium carbonate is greater than 800 mesh.
The toughener is polyolefin thermoplastic elastomer or ethylene propylene diene rubber.
The antioxidant is selected from four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester (antioxidant
1010), β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester (1076), three [2.4- di-tert-butyl-phenyls]
At least one of phosphite ester (168).
The thioester antioxidant be the efficient auxiliary antioxidant Hostanox SE 10 of Clariant, matal deactivator 2,
2- oxalyl amido-bis- [ethyl -3- (3,5- di-tert-butyl-hydroxy phenyl)] propionic ester (MD-697), phosphorous containing sulfur phenenyl
Esters of gallic acid metal ion passivator is HOSTANOX OSP 1.
Another goal of the invention of the invention is to provide the preparation method of above-mentioned extrusion grade high heat-resisting polypropylene material, including
Following steps,
(1) polypropylene, mineral-filled, toughener, lubricant, antioxidant and compounding heat-resistant agent are added after mixing
High-speed mixer and mixing 5-8 minutes；
(2) mixture obtained by step (1) is added in extruder, squeezes out, traction, is granulated, injection molding through melt blending
Gained；The extruder is parallel dual-screw extruding machine, and draw ratio is at least 32~40, and the revolving speed of extruder is 180-
400 revs/min, extrusion temperature is 170-195 DEG C.
The present invention compared with the existing technology, is had the following advantages and beneficial effects:
The present invention selects compounding heat-resistant agent and antioxidant collocation to use, and material is made to have more excellent heat resistance, oxygen
It is longer to change induction time, by 2000 hours 150 DEG C of degree long term heat ageings, △ E variation was positively retained within 1.5.
In addition, the present invention, which compounds thioester antioxidant in heat-resistant agent, captures free radical, eventually in polymer degradation processes
Only chain reaction；MD-697 and sulfur-bearing phenyl phosphites metalloid ion passivator can form stable complexation with Gu, Mn plasma
Object reduces its catalysis inducing action to polymer degradation.
Specific embodiment
Extrusion grade high heat-resisting polypropylene material of the invention and its physical property see attached list 1.
Wherein polypropylene used be PPR1042, PP-K8003, PP-K8303,
It is used it is mineral-filled be talcum powder AH51210, calcium carbonate LD-1000C,
Toughener used is polyolefin thermoplastic elastomer 8150,8842,
It is with lubricator ethylene bis stearamide EBS/P-130,
Antioxidant used be 1010 and irgasfos 168,
Compounding heat-resistant agent used is thioesters Hostanox SE 10, matal deactivator MD-697, phosphorous containing sulfur phenenyl
The compound that esters of gallic acid metal ion passivator HOSTANOX OSP 1 is constituted in mass ratio for 1:2:2.
The present invention is further illustrated with reference to embodiments.
Embodiment 1
46g PPR1042,30g talcum powder AH51210,19g toughener -8150,1g are compounded into heat-resistant agent, 0.3g EBS/
P-130,0.2g antioxidant 1010 and 0.4g irgasfos 168 are put into according to the above ratio mixed 5-8 minutes in high-speed mixer after
It takes out, melt blending extrusion, traction, granulation is carried out in double screw extruder, it is 170~195 DEG C of extruder barrel temperature, fixed
180 revs/min of driving screw revolving speed.Obtained pellet is subjected to injection molding using injection moulding machine, 190 DEG C of injection temperature, is obtained
Iso standard mechanical test batten carries out properties of product test.Test data is shown in Table 1.
Embodiment 2
80g PPK8003,10g talcum powder AH51210,3g toughener -8150,0.4g are compounded into heat-resistant agent, 0.5g EBS/
P-130,0.1g antioxidant 1010 and 0.2g irgasfos 168 are put into according to the above ratio mixed 5-8 minutes in high-speed mixer after
It takes out, melt blending extrusion, traction, granulation is carried out in double screw extruder, it is 170~195 DEG C of extruder barrel temperature, fixed
180 revs/min of driving screw revolving speed.Obtained pellet is subjected to injection molding using injection moulding machine, 190 DEG C of injection temperature, is obtained
Iso standard mechanical test batten carries out properties of product test.Test data is shown in Table 1.
Embodiment 3
65g PPK8303,20g talcum powder AH51210,14g toughener -8842,1g are compounded into heat-resistant agent, 0.1g EBS/
P-130,0.3g antioxidant 1010 and 0.3g irgasfos 168 are put into according to the above ratio mixed 5-8 minutes in high-speed mixer after
It takes out, melt blending extrusion, traction, granulation is carried out in double screw extruder, it is 170~195 DEG C of extruder barrel temperature, fixed
180 revs/min of driving screw revolving speed.Obtained pellet is subjected to injection molding using injection moulding machine, 190 DEG C of injection temperature, is obtained
Iso standard mechanical test batten carries out properties of product test.Test data is shown in Table 1.
Embodiment 4
By 70g PPK8003,20g calcium carbonate LD-1000C, 9.5g toughener -8842,0.5g compounding heat-resistant agent,
0.1gEBS/P-130,0.3g antioxidant 1010 and 0.3g irgasfos 168 are put into high-speed mixer mix 5- according to the above ratio
It is taken out after 8 minutes, melt blending extrusion, traction, granulation, extruder barrel temperature 170~195 is carried out in double screw extruder
DEG C, fixed 180 revs/min of driving screw revolving speed.Obtained pellet is subjected to injection molding, injection temperature 190 using injection moulding machine
DEG C, iso standard mechanical test batten is obtained, properties of product test is carried out.Test data is shown in Table 1.
Comparative example
70g PPK8003,20g calcium carbonate LD-1000C, 9.5g toughener -8842,0.1g EBS/P-130,0.3g are resisted
Oxygen agent 1010 and 0.3g irgasfos 168 are put into according to the above ratio mixed 5-8 minutes in high-speed mixer after take out, in twin-screw
Melt blending extrusion, traction, granulation are carried out in extruder, 170~195 DEG C of extruder barrel temperature, fix driving screw revolving speed 180
Rev/min.Obtained pellet is subjected to injection molding using injection moulding machine, 190 DEG C of injection temperature, obtains the survey of iso standard mechanics
Testing bar carries out properties of product test.Test data is shown in Table 1:
Table 1
It can be seen that from upper table, after compounding heat-resistant agent is added in the present invention, material has more excellent heat resistance, oxidation
Induction time is longer, and by 2000 hours 150 DEG C of degree long term heat ageings, △ E variation was positively retained within 1.5.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to implementations here
Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be
Within protection scope of the present invention.
Claims (8)
1. a kind of extrusion grade high heat-resisting polypropylene material, it is characterised in that: it is prepared by weight by following components:
46-80 parts of polypropylene
It is 10-30 parts mineral-filled
3-20 parts of toughener
0.1-0.5 parts of lubricant
0.2-0.8 parts of antioxidant
Heat-resistant agent 0.4-1 parts of compounding
The compounding heat-resistant agent is that thioester antioxidant, matal deactivator and sulfur-bearing phenyl phosphites metalloid ion subtract
Agent living is that 1:2:2 is constituted in mass ratio.
2. extrusion grade high heat-resisting polypropylene material according to claim 1, it is characterised in that: the polypropylene is homopolymerization
At least one of polypropylene, copolymer polypropylene.
3. extrusion grade high heat-resisting polypropylene material according to claim 1, it is characterised in that: described is mineral-filled for cunning
At least one of mountain flour, calcium carbonate, mica powder.
4. extrusion grade high heat-resisting polypropylene material according to claim 3, it is characterised in that: the mica powder, talcum powder
It is greater than 800 mesh with the partial size mesh number of calcium carbonate.
5. extrusion grade high heat-resisting polypropylene material according to claim 1, it is characterised in that: the toughener is polyene
Hydrocarbon thermoplastic elastomer (TPE) or ethylene propylene diene rubber.
6. extrusion grade high heat-resisting polypropylene material according to claim 1, it is characterised in that: the antioxidant is selected from four
[β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester (antioxidant 1010), β-(3,5- di-t-butyl -4- hydroxyls
Base phenyl) propionic acid n-octadecyl alcohol ester (1076), at least one of three [2.4- di-tert-butyl-phenyl] phosphite esters (168).
7. extrusion grade high heat-resisting polypropylene material according to claim 1, it is characterised in that: the thioester antioxidant
For the efficient auxiliary antioxidant Hostanox SE 10 of Clariant, matal deactivator 2,2- oxalyl amido-bis- [ethyl -3-(3,
5- di-tert-butyl-hydroxy phenyl)] propionic ester (MD-697), sulfur-bearing phenyl phosphites metalloid ion passivator is
HOSTANOX OSP 1。
8. such as the preparation method of the described in any item extrusion grade high heat-resisting polypropylene materials of claim 1-7, it is characterised in that: packet
Include following steps,
(1) polypropylene, mineral-filled, toughener, lubricant, antioxidant and compounding heat-resistant agent are added after mixing high mixed
It is mixed 5-8 minutes in machine；
(2) mixture obtained by step (1) is added in extruder, squeezes out, traction, is granulated through melt blending, obtained by injection molding；
The extruder is parallel dual-screw extruding machine, and draw ratio is at least 32~40, the revolving speed of extruder be 180-400 turn/
Point, extrusion temperature is 170-195 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710915587.2A CN109575434A (en) | 2017-09-29 | 2017-09-29 | A kind of extrusion grade high heat-resisting polypropylene material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710915587.2A CN109575434A (en) | 2017-09-29 | 2017-09-29 | A kind of extrusion grade high heat-resisting polypropylene material and preparation method thereof |
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| CN109575434A true CN109575434A (en) | 2019-04-05 |
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| CN201710915587.2A Pending CN109575434A (en) | 2017-09-29 | 2017-09-29 | A kind of extrusion grade high heat-resisting polypropylene material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110922679A (en) * | 2019-11-14 | 2020-03-27 | 中广核俊尔（上海）新材料有限公司 | Scratch-resistant and light-aging-resistant polypropylene material and preparation method thereof |
| CN112480526A (en) * | 2020-10-19 | 2021-03-12 | 镇江星扬电气管业有限公司 | High-temperature-resistant modified PPH (polypropylene random) pipe and preparation method thereof |
| CN114106457A (en) * | 2021-10-20 | 2022-03-01 | 广东聚石化学股份有限公司 | Extrusion type flame-retardant polypropylene material and preparation method and application thereof |
-
2017
- 2017-09-29 CN CN201710915587.2A patent/CN109575434A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110922679A (en) * | 2019-11-14 | 2020-03-27 | 中广核俊尔（上海）新材料有限公司 | Scratch-resistant and light-aging-resistant polypropylene material and preparation method thereof |
| CN112480526A (en) * | 2020-10-19 | 2021-03-12 | 镇江星扬电气管业有限公司 | High-temperature-resistant modified PPH (polypropylene random) pipe and preparation method thereof |
| CN114106457A (en) * | 2021-10-20 | 2022-03-01 | 广东聚石化学股份有限公司 | Extrusion type flame-retardant polypropylene material and preparation method and application thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190405 |
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| WD01 | Invention patent application deemed withdrawn after publication |