CN106189122A - A kind of PBT PP alloy and preparation method thereof - Google Patents
A kind of PBT PP alloy and preparation method thereof Download PDFInfo
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- CN106189122A CN106189122A CN201610716812.5A CN201610716812A CN106189122A CN 106189122 A CN106189122 A CN 106189122A CN 201610716812 A CN201610716812 A CN 201610716812A CN 106189122 A CN106189122 A CN 106189122A
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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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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- 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
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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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of PBT PP alloy and preparation method thereof.The PBT PP alloy that the present invention provides, including: PBT75～90 weight portions, PP45～60 weight portions, glass fibre 30～45 weight portion, compatilizer 10～15 weight portion, dibutyl phthalate 10～15 weight portion, finishing agent 5～10 weight portion, lubricant 1.5～2 weight portion, pentaerythritol tetrathioglycollate 2～5 weight portion.Technical scheme can either meet high thermostability, high mechanical property, chemical reagent resistance, weatherability, excellent electrical property by the combination of rational proportioning and each component and water absorption rate is low can again the higher significant angularity of resistance to ag(e)ing, dimensional stability and processing characteristics and surface smoothness, the most also there is higher surface gloss and angularity, and its preparation technology is simple, low cost.
Description
Technical field
The invention belongs to new forms of energy and environmental protection and energy saving technical field, particularly relate to a kind of high-efficiency environment friendly PBT-PP alloy and
Its preparation method.
Background technology
PBT (polybutylene terephthalate (PBT)) is the thermoplastic engineering plastic of a kind of hemicrystalline, and it has high resistance to
Hot, high mechanical property, chemical reagent resistance, weatherability, excellent electrical property and water absorption rate is low.After enhancing modified
PBT, its mechanical performance is more excellent, is widely used in the fields such as electric, automobile, plant equipment.But due to PBT
Strand rigidity is relatively big, and it is to notch sensitive, and notch shock is low.PP (polypropylene) be the maximum general-purpose plastics of current consumption it
One, belong to a kind of those semi-crystalline materials, there is light weight, good electrical insulating property, chemical resistance, fatigue durability, thermostability, excellent
Good mechanical property and moulding processability, and price is minimum in general-purpose plastics, thus it is widely used in commercial production
Every field.But PP there is also some shortcomings, black brittleness is big, and resistance to ag(e)ing is bad and dimensional stability is poor.
In existing market, a kind of material can either not meet high thermostability, high mechanical property, chemically-resistant examination
Agent, weatherability, excellent electrical property and water absorption rate is low can again higher resistance to ag(e)ing, dimensional stability and processability
Energy.
Summary of the invention
In view of the problem existing for prior art, the present invention provides a kind of height with different mechanical property and smooth surface
PBT-PP alloy of the low warpage of gloss and preparation method thereof.
The technical scheme is that and the invention provides a kind of PBT-PP alloy, including
The component of following weight portion: PBT75～90 weight portions, PP45～60 weight portions, glass fibre 30～45 weight portion, compatilizer 10
～15 weight portions, dibutyl phthalate 10～15 weight portion, finishing agent 5～10 weight portion, lubricant 1.5～2 weight
Amount part, pentaerythritol tetrathioglycollate 2～5 weight portion.
The invention has the beneficial effects as follows: inventor's early stage has carried out the screening experiment of substantial amounts of component and consumption, unexpected
Discovery, technical scheme can either meet high thermostability, height by the combination of rational proportioning and each component
Mechanical property, chemical reagent resistance, weatherability, excellent electrical property and water absorption rate low can have again higher resistance to ag(e)ing,
Dimensional stability and the significant angularity of processing characteristics and surface smoothness, the most also have higher surface gloss and warpage
Degree, and its preparation technology is simple, low cost.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described PBT is 75 weight portions, and described PP is 45 weight portions, and described glass fibre is 30 weight portions, institute
Stating compatilizer is 10 weight portions, and described dibutyl phthalate is 10 weight portions, and described finishing agent is 5 weight portions, institute
Stating lubricant is 1.5 weight portions, and described pentaerythritol tetrathioglycollate is 2 weight portions.
Further, described PBT intrinsic viscosity is 0.8-1.3dl/g.
Further, described compatilizer is EVA and/or EVA-g-MAH.
Further, described finishing agent is linear low density polyethylene (LLDPE).
Such scheme is used to provide the benefit that: employing linear low density polyethylene (LLDPE) can be preferably as finishing agent
Improve the surface brightness of PBT-PP alloy, and its cost performance is higher.
The present invention also provides for the preparation method of the PBT-PP alloy of a kind of above-mentioned high-efficiency environment friendly, and the method uses following step
Rapid: (1) weighs PBT75～90 weight portions, PP45～60 weight portions, compatilizer 10～15 weight portion, dibutyl phthalate
10～15 weight portions, finishing agent 5～10 weight portion, lubricant 1.5～2 weight portion, pentaerythritol tetrathioglycollate 2～5 weight
Part, and each component is positioned in high-speed mixer, mix homogeneously at ambient temperature；(2) mixed by what step (1) was produced
Compound is sent in double screw extruder, controls extrusion temperature and is 190-230 DEG C, and screw speed is 200-500 rev/min, is squeezing
Go out machine the 4th humidity province and add glass fibre 30～45 weight portion, through melt blending extrusion, tie rod, water cooled, dry, pelletizing
After obtain fiber glass reinforced PBT/PP alloy.
Such scheme is used to provide the benefit that: to use the PBT-PP alloy prepared of said method disclosure satisfy that high heat-resisting
Property, high mechanical property, chemical reagent resistance, weatherability, excellent electrical property and water absorption rate low can have again higher resistance to always
The property changed, dimensional stability and the significant angularity of processing characteristics and surface smoothness, the most also have higher surface gloss
And angularity, and its preparation technology is simple, and manufacturing cost is lower, and production efficiency is higher, it is possible to meet the need produced in enormous quantities
Ask.
Detailed description of the invention
Principle and feature to the present invention are described below, and example is served only for explaining the present invention, is not intended to limit
Determine the scope of the present invention.
The invention provides a kind of PBT-PP alloy, including the component of following weight portion: PBT75～90 weight portions, PP45
～60 weight portions, glass fibre 30～45 weight portion, compatilizer 10～15 weight portion, dibutyl phthalate 10～15 weight
Part, finishing agent 5～10 weight portion, lubricant 1.5～2 weight portion, pentaerythritol tetrathioglycollate 2～5 weight portion.
The invention has the beneficial effects as follows: inventor's early stage has carried out the screening experiment of substantial amounts of component and consumption, unexpected
Discovery, technical scheme can either meet high thermostability, height by the combination of rational proportioning and each component
Mechanical property, chemical reagent resistance, weatherability, excellent electrical property and water absorption rate low can have again higher resistance to ag(e)ing,
Dimensional stability and the significant angularity of processing characteristics and surface smoothness, the most also have higher surface gloss and warpage
Degree, and its preparation technology is simple, low cost.
It is introduced below by specific embodiment.
Embodiment 1
The PBT-PP alloy of a kind of high-efficiency environment friendly, including following weight portion: described PBT is 75 weight portions, described PP is 45
Weight portion, described glass fibre is 30 weight portions, and described compatilizer is 10 weight portions, and described dibutyl phthalate is 10 weights
Amount part, described finishing agent is 5 weight portions, and described lubricant is 1.5 weight portions, and described pentaerythritol tetrathioglycollate is 2 weight portions.
Embodiment 2
The PBT-PP alloy of a kind of high-efficiency environment friendly, including following weight portion: described PBT is 80 weight portions, described PP is 50
Weight portion, described glass fibre is 35 weight portions, and described compatilizer is 13 weight portions, and described dibutyl phthalate is 13 weights
Amount part, described finishing agent is 8 weight portions, and described lubricant is 1.8 weight portions, and described pentaerythritol tetrathioglycollate is 4 weight portions.
Embodiment 3
The PBT-PP alloy of a kind of high-efficiency environment friendly, including following weight portion: described PBT is 90 weight portions, described PP is 60
Weight portion, described glass fibre is 45 weight portions, and described compatilizer is 15 weight portions, and described dibutyl phthalate is 15 weights
Amount part, described finishing agent is 10 weight portions, and described lubricant is 2 weight portions, and described pentaerythritol tetrathioglycollate is 5 weight portions.
Wherein, described PBT intrinsic viscosity is 0.8-1.3dl/g, and described compatilizer is EVA and/or EVA-g-MAH, by above-mentioned
The PBT of content and compatilizer can preferably increase the mechanical property of whole PBT-PP alloy, and the most described finishing agent is
Linear low density polyethylene (LLDPE), adding of polyethylene is more cheap, and cost performance is higher, it is possible to reduce manufacturing cost, simultaneously its for
PBT-PP alloy surface brightness to heighten effect more significantly.
Comparative example 1
Described dibutyl phthalate replaces with propylene-glycol ethyl ether, and described propylene-glycol ethyl ether is that remaining is equal for 30 weight portions
Same as in Example 1.
Comparative example 2
Compared with comparative example 1, comparative example two is not added pentaerythritol tetrathioglycollate and finishing agent remaining all with implement
Example 1 is identical.
Comparative example 3
The weight portions such as described dibutyl phthalate are replaced with polyvinyl butyral resin, remaining all with embodiment 1 phase
With.
Measure of merit
The PBT-PP alloy of high-efficiency environment friendly prepared by mensuration above-described embodiment and comparative example is right in adding culturing pool to respectively
With the clean-up effect of water quality in pond, and respectively COD clearance and heavy metal copper ion concentration are measured.
The test condition of described hot strength (Mpa) is 50mm/min, and the test condition of described bending strength (Mpa) is
2mm/min, the test condition of described notch impact strength and shrinkage factor is to carry out at 23 DEG C, and the test condition of described glossiness is
60 ° of angles.
Test result is as shown in table 1.
Table 1
According to the data in table 1 it can be seen that compared with comparative example 1-3, PBT/PP alloy prepared by the present invention has height
The characteristic that gloss, warpage are low.The mechanical property of material increased, and material remains low warpage properties, and lustrous surface also has
Being improved, the glossiness of material significantly improves；The present invention provides the glossiness of material the highest, and warpage is minimum.Obtained by the present invention
High glaze, low warp glass fiber strengthen PBT-PP alloy material can be widely applied to the industry such as automobile, household electrical appliances, be particularly well-suited to
There is high gloss and the product of low warpage requirement.
The present invention also provides for the preparation method of the PBT-PP alloy of a kind of above-mentioned high-efficiency environment friendly, and the method uses following step
Rapid: (1) weighs PBT75～90 weight portions, PP45～60 weight portions, compatilizer 10～15 weight portion, dibutyl phthalate
10～15 weight portions, finishing agent 5～10 weight portion, lubricant 1.5～2 weight portion, pentaerythritol tetrathioglycollate 2～5 weight
Part, and each component is positioned in high-speed mixer, mix homogeneously at ambient temperature；(2) mixed by what step (1) was produced
Compound is sent in double screw extruder, controls extrusion temperature and is 190-230 DEG C, and screw speed is 200-500 rev/min, is squeezing
Go out machine the 4th humidity province and add glass fibre 30～45 weight portion, through melt blending extrusion, tie rod, water cooled, dry, pelletizing
After obtain fiber glass reinforced PBT/PP alloy.
The PBT-PP alloy using said method to prepare disclosure satisfy that high thermostability, high mechanical property, chemically-resistant try
Agent, weatherability, excellent electrical property and water absorption rate is low can again higher resistance to ag(e)ing, dimensional stability and processing characteristics
Significantly angularity and surface smoothness, the most also has higher surface gloss and angularity, and its preparation technology letter
Single, manufacturing cost is lower, and production efficiency is higher, it is possible to meet the demand produced in enormous quantities.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (6)
1. a PBT-PP alloy, it is characterised in that include the component of following weight portion: PBT75～90 weight portions, PP45～60
Weight portion, glass fibre 30～45 weight portion, compatilizer 10～15 weight portion, dibutyl phthalate 10～15 weight portion,
Finishing agent 5～10 weight portion, lubricant 1.5～2 weight portion, pentaerythritol tetrathioglycollate 2～5 weight portion.
PBT-PP alloy the most according to claim 1, it is characterised in that described PBT is 75 weight portions, described PP is 45 weights
Amount part, described glass fibre is 30 weight portions, and described compatilizer is 10 weight portions, and described dibutyl phthalate is 10 weight
Part, described finishing agent is 5 weight portions, and described lubricant is 1.5 weight portions, and described pentaerythritol tetrathioglycollate is 2 weight portions.
PBT-PP alloy the most according to claim 1, it is characterised in that described PBT intrinsic viscosity is 0.8-1.3dl/
g。
PBT-PP alloy the most according to claim 1, it is characterised in that described compatilizer is EVA and/or EVA-g-
MAH。
PBT-PP alloy the most according to claim 1 is characterized in that, described finishing agent is that linear, low density gathers
Ethylene.
6. the preparation method according to the PBT-PP alloy described in any one of claim 1 to 5, it is characterised in that the method
Use following steps: (1) weighs PBT75～90 weight portions, PP45～60 weight portions, compatilizer 10～15 weight portion, adjacent benzene two
Formic acid dibutyl ester 10～15 weight portion, finishing agent 5～10 weight portion, lubricant 1.5～2 weight portion, pentaerythritol tetrathioglycollate 2
～5 weight portions, and each component is positioned in high-speed mixer, mix homogeneously at ambient temperature；(2) by system in step (1)
The mixture taken is sent in double screw extruder, controls extrusion temperature and is 190-230 DEG C, and screw speed is 200-500 rev/min
Clock, adds glass fibre 30～45 weight portion in extruder the 4th humidity province, through melt blending extrusion, tie rod, water cooled, dry
Fiber glass reinforced PBT/PP alloy is obtained after dry, pelletizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716812.5A CN106189122A (en) | 2016-08-24 | 2016-08-24 | A kind of PBT PP alloy and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610716812.5A CN106189122A (en) | 2016-08-24 | 2016-08-24 | A kind of PBT PP alloy and preparation method thereof |
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| CN106189122A true CN106189122A (en) | 2016-12-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093040A (en) * | 2019-06-05 | 2019-08-06 | 华东交通大学 | Additive and preparation method, PP/PET blending modified material and preparation method |
| CN115475780A (en) * | 2022-09-26 | 2022-12-16 | 金海龙 | Preparation process of PP composite material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104592722A (en) * | 2015-02-03 | 2015-05-06 | 上海日之升新技术发展有限公司 | High-luster low-warpage glass fiber reinforced PBT/PP (Polybutylene Terephthalate/Polypropylene) alloy and preparation method thereof |
| CN104817831A (en) * | 2015-05-21 | 2015-08-05 | 国网智能电网研究院 | Electric-insulation thermoplastic resin composition and preparation method thereof |
-
2016
- 2016-08-24 CN CN201610716812.5A patent/CN106189122A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104592722A (en) * | 2015-02-03 | 2015-05-06 | 上海日之升新技术发展有限公司 | High-luster low-warpage glass fiber reinforced PBT/PP (Polybutylene Terephthalate/Polypropylene) alloy and preparation method thereof |
| CN104817831A (en) * | 2015-05-21 | 2015-08-05 | 国网智能电网研究院 | Electric-insulation thermoplastic resin composition and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093040A (en) * | 2019-06-05 | 2019-08-06 | 华东交通大学 | Additive and preparation method, PP/PET blending modified material and preparation method |
| CN115475780A (en) * | 2022-09-26 | 2022-12-16 | 金海龙 | Preparation process of PP composite material |
| CN115475780B (en) * | 2022-09-26 | 2023-09-26 | 广州市文逸通讯设备有限公司 | Preparation process of PP composite material |
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Application publication date: 20161207 |