CN104761875B - A kind of polybutylene terephthalate (PBT) composite and preparation method thereof - Google Patents
A kind of polybutylene terephthalate (PBT) composite and preparation method thereof Download PDFInfo
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- CN104761875B CN104761875B CN201510181111.1A CN201510181111A CN104761875B CN 104761875 B CN104761875 B CN 104761875B CN 201510181111 A CN201510181111 A CN 201510181111A CN 104761875 B CN104761875 B CN 104761875B
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- pbt
- polybutylene terephthalate
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- 229920001707 polybutylene terephthalate Polymers 0.000 title claims abstract description 89
- -1 polybutylene terephthalate Polymers 0.000 title claims abstract description 53
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 claims abstract description 11
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims abstract description 11
- 239000001856 Ethyl cellulose Substances 0.000 claims abstract description 10
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims abstract description 10
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920001249 ethyl cellulose Polymers 0.000 claims abstract description 10
- 235000019325 ethyl cellulose Nutrition 0.000 claims abstract description 10
- 235000010234 sodium benzoate Nutrition 0.000 claims abstract description 10
- 239000004299 sodium benzoate Substances 0.000 claims abstract description 10
- 239000004698 Polyethylene Substances 0.000 claims abstract description 6
- 229920000573 polyethylene Polymers 0.000 claims abstract description 6
- HVQAJTFOCKOKIN-UHFFFAOYSA-N flavonol Natural products O1C2=CC=CC=C2C(=O)C(O)=C1C1=CC=CC=C1 HVQAJTFOCKOKIN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 235000011957 flavonols Nutrition 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims description 13
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 8
- 229920001684 low density polyethylene Polymers 0.000 claims description 8
- 239000004702 low-density polyethylene Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000008188 pellet Substances 0.000 claims description 8
- 238000010008 shearing Methods 0.000 claims description 8
- 238000000498 ball milling Methods 0.000 claims description 7
- 230000004927 fusion Effects 0.000 claims description 7
- 239000011787 zinc oxide Substances 0.000 claims description 6
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 5
- 239000001095 magnesium carbonate Substances 0.000 claims description 5
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 5
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 3
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 abstract 1
- 238000011056 performance test Methods 0.000 description 5
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 150000007946 flavonol Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
Open a kind of polybutylene terephthalate (PBT) composite of the present invention and preparation method thereof, this material, it is made up of the component comprising following weight portion: polybutylene terephthalate (PBT) 85 94 parts, polyethylene 20 30 parts, inorganic component 8 12 parts, 7 hydroxyl flavonol 8 12 parts, ethyl cellulose 58 parts, epoxy propane butyl ether 58 parts, 1,2 cyclohexane cyclohexanedimethanodibasic 2-glycidyl ester 46 parts and sodium benzoate 23 parts.The present invention also provides for the preparation method of this material.
Description
Technical field
The invention belongs to polymeric material field, particularly to a kind of polybutylene terephthalate (PBT) composite and
Preparation method.
Background technology
Polybutylene terephthalate (PBT) (PBT) is that milky is translucent to opaque, crystalline thermoplastic polyester.Poly-right
Benzene dicarboxylic acid butanediol ester thermostability, fatigue durability, the performance that self-lubricating and good weatherability etc. are excellent.
Its low-friction coefficient of polybutylene terephthalate (PBT), electrical insulating property is good, heat-proof water, bases, acids, oils.?
Under low temperature, polybutylene terephthalate (PBT) can crystallize rapidly, has good mouldability.
In society, the polybutylene terephthalate (PBT) of 43.7% for electronic apparatus industry, 36.1% poly-right
Benzene dicarboxylic acid butanediol ester is used for auto industry, and the polybutylene terephthalate (PBT) of 10.7% is used for mechanical industry, and 9.5%
Polybutylene terephthalate (PBT) is for other industry.
Summary of the invention
For above-mentioned demand, invention especially provides a kind of polybutylene terephthalate (PBT) composite and system thereof
Preparation Method.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of polybutylene terephthalate (PBT) composite, is made up of the component comprising following weight portion:
The mixing of one or more in titanium dioxide, magnesium carbonate and zinc oxide of the described inorganic component.
Described polyethylene is Low Density Polyethylene.
A kind of preparation method of polybutylene terephthalate (PBT) composite, the method comprises the following steps:
(1) polybutylene terephthalate (PBT) 85-94 part, polyethylene 20-30 part, inorganic component 8-12 part, 7-hydroxyl are weighed
Base flavonol 8-12 part, epoxy propane butyl ether 5-8 part, 1,2-cyclohexane cyclohexanedimethanodibasic 2-glycidyl ester 4-6 part and benzoic acid
Sodium 2-3 part；
(2) said components is added mix homogeneously in homogenizer, add ethyl cellulose 5-8 part of abundant ball milling, by pH
It is adjusted to 7.2-7.5；
(3) by pay-off, being sent into by the product of step 2 in double screw extruder, product is in the shearing, mixing of screw rod
Sufficiently fusion lower with conveying, after eventually passing extrusion, tie rod, cooling, makes polybutylene terephthalate (PBT) composite
Pellet.
In described step 2, the temperature in each district of double screw extruder is set to: 160-170 DEG C of I district, 175-180 DEG C of II district,
185-190 DEG C of III district, 190-200 DEG C of IV district, 210-220 DEG C of V district, 225-240 DEG C of VI district, 210-220 DEG C of VII district, VIII district
185-190 DEG C, 160-170 DEG C of VIIII district, head temperature 200-230 DEG C.
In described homogenizer, the temperature of mixing is 50-65 DEG C.
Compared with prior art, it has the beneficial effect that the present invention
(1) polybutylene terephthalate (PBT) that the present invention prepares due to add 7-hydroxyl flavonol, ethyl cellulose,
Epoxy propane butyl ether, 1,2-cyclohexane cyclohexanedimethanodibasic 2-glycidyl ester and sodium benzoate, there is good mechanical property, and resistance to
High temperature, corrosion resistance, fatigue durability and self-lubricating are good.
(2) polybutylene terephthalate (PBT) that the present invention prepares remains to keep good steady different use in environment
Qualitative and weatherability.
(3) polybutylene terephthalate (PBT) of the present invention, its preparation method is simple, it is easy to industrialized production.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1
(1) polybutylene terephthalate (PBT) 85kg, Low Density Polyethylene 20kg, titanium dioxide 8kg, 7-hydroxyl Huang are weighed
Alkanol 8kg, epoxy propane butyl ether 5kg, 1,2-cyclohexane cyclohexanedimethanodibasic 2-glycidyl ester 4kg and sodium benzoate 2kg；
(2) said components is added in homogenizer, mix homogeneously at 50 DEG C, add the ethyl cellulose of abundant ball milling
5kg, by pH regulator to 7.2；
(3) by pay-off, being sent into by the product of step 2 in double screw extruder, product is in the shearing, mixing of screw rod
Sufficiently fusion lower with conveying, after eventually passing extrusion, tie rod, cooling, makes polybutylene terephthalate (PBT) composite
Pellet；
In described step 2, the temperature in each district of double screw extruder is set to: 160 DEG C of I district, 175 DEG C of II district, III district 185
DEG C, 190 DEG C of IV district, 210 DEG C of V district, 225 DEG C of VI district, 210 DEG C of VII district, 185 DEG C of VIII district, 160 DEG C of VIIII district, head temperature
200℃。
The performance test results preparing polybutylene terephthalate (PBT) composite is as shown in table 1.
Embodiment 2
(1) polybutylene terephthalate (PBT) 85kg, Low Density Polyethylene 20kg, magnesium carbonate 8kg, 7-hydroxyl flavane are weighed
Alcohol 8kg, epoxy propane butyl ether 5kg, 1,2-cyclohexane cyclohexanedimethanodibasic 2-glycidyl ester 4kg and sodium benzoate 2kg；
(2) said components is added in homogenizer, mix homogeneously at 50 DEG C, add the ethyl cellulose of abundant ball milling
5kg, by pH regulator to 7.2；
(3) by pay-off, being sent into by the product of step 2 in double screw extruder, product is in the shearing, mixing of screw rod
Sufficiently fusion lower with conveying, after eventually passing extrusion, tie rod, cooling, makes polybutylene terephthalate (PBT) composite
Pellet；
In described step 2, the temperature in each district of double screw extruder is set to: 160 DEG C of I district, 175 DEG C of II district, III district 185
DEG C, 190 DEG C of IV district, 210 DEG C of V district, 225 DEG C of VI district, 210 DEG C of VII district, 185 DEG C of VIII district, 160 DEG C of VIIII district, head temperature
200℃。
The performance test results preparing polybutylene terephthalate (PBT) composite is as shown in table 1.
Embodiment 3
(1) polybutylene terephthalate (PBT) 94kg, Low Density Polyethylene 30kg, magnesium carbonate 12kg, 7-hydroxyl Huang are weighed
Alkanol 12kg, epoxy propane butyl ether 8kg, 1,2-cyclohexane cyclohexanedimethanodibasic 2-glycidyl ester 6kg and sodium benzoate 3kg；
(2) said components is added in homogenizer, mix homogeneously at 65 DEG C, add the ethyl cellulose of abundant ball milling
8kg, by pH regulator to 7.5；
(3) by pay-off, being sent into by the product of step 2 in double screw extruder, product is in the shearing, mixing of screw rod
Sufficiently fusion lower with conveying, after eventually passing extrusion, tie rod, cooling, makes polybutylene terephthalate (PBT) composite
Pellet；
In described step 2, the temperature in each district of double screw extruder is set to: 170 DEG C of I district, 180 DEG C of II district, III district 190
DEG C, 200 DEG C of IV district, 220 DEG C of V district, 240 DEG C of VI district, 220 DEG C of VII district, 190 DEG C of VIII district, 170 DEG C of VIIII district, head temperature
230℃。
The performance test results preparing polybutylene terephthalate (PBT) composite is as shown in table 1.
Embodiment 4
(1) polybutylene terephthalate (PBT) 94kg, Low Density Polyethylene 30kg, zinc oxide 12kg, 7-hydroxyl Huang are weighed
Alkanol 12kg, epoxy propane butyl ether 8kg, 1,2-cyclohexane cyclohexanedimethanodibasic 2-glycidyl ester 6kg and sodium benzoate 3kg；
(2) said components is added in homogenizer, mix homogeneously at 65 DEG C, add the ethyl cellulose of abundant ball milling
8kg, by pH regulator to 7.5；
(3) by pay-off, being sent into by the product of step 2 in double screw extruder, product is in the shearing, mixing of screw rod
Sufficiently fusion lower with conveying, after eventually passing extrusion, tie rod, cooling, makes polybutylene terephthalate (PBT) composite
Pellet；
In described step 2, the temperature in each district of double screw extruder is set to: 170 DEG C of I district, 180 DEG C of II district, III district 190
DEG C, 200 DEG C of IV district, 220 DEG C of V district, 240 DEG C of VI district, 220 DEG C of VII district, 190 DEG C of VIII district, 170 DEG C of VIIII district, head temperature
230℃。
The performance test results preparing polybutylene terephthalate (PBT) composite is as shown in table 1.
Embodiment 5
(1) polybutylene terephthalate (PBT) 90kg, Low Density Polyethylene 25kg, zinc oxide 10kg, 7-hydroxyl Huang are weighed
Alkanol 10kg, epoxy propane butyl ether 6kg, 1,2-cyclohexane cyclohexanedimethanodibasic 2-glycidyl ester 5kg and sodium benzoate 3kg；
(2) said components is added in homogenizer, mix homogeneously at 55 DEG C, add the ethyl cellulose of abundant ball milling
6kg, by pH regulator to 7.4；
(3) by pay-off, being sent into by the product of step 2 in double screw extruder, product is in the shearing, mixing of screw rod
Sufficiently fusion lower with conveying, after eventually passing extrusion, tie rod, cooling, makes polybutylene terephthalate (PBT) composite
Pellet；
In described step 2, the temperature in each district of double screw extruder is set to: 165 DEG C of I district, 175 DEG C of II district, III district 185
DEG C, 195 DEG C of IV district, 215 DEG C of V district, 230 DEG C of VI district, 215 DEG C of VII district, 185 DEG C of VIII district, 165 DEG C of VIIII district, head temperature
210℃。
The performance test results preparing polybutylene terephthalate (PBT) composite is as shown in table 1.
Comparative example
Weigh polybutylene terephthalate (PBT) 90kg, Low Density Polyethylene 25kg, zinc oxide 10kg, expoxy propane butyl
Ether 6kg and sodium benzoate 3kg；Said components is added in homogenizer, mix homogeneously at 55 DEG C；Sent into by pay-off
In double screw extruder, product screw rod shearing, mixing and conveying under sufficiently fuse, eventually pass extrusion, tie rod, cooling
After, make the pellet of polybutylene terephthalate (PBT) composite；Wherein, the temperature in each district of double screw extruder is set to: I
165 DEG C of district, 175 DEG C of II district, 195 DEG C of III district, 230 DEG C of IV district.
Table 1
The invention is not restricted to embodiment here, those skilled in the art are according to the announcement of the present invention, without departing from the present invention
Improvement and amendment that category is made all should be within protection scope of the present invention.
Claims (5)
1. a polybutylene terephthalate (PBT) composite, it is characterised in that be made up of the component comprising following weight portion:
Polybutylene terephthalate (PBT) 85-94 part,
Polyethylene 20-30 part,
Inorganic component 8-12 part,
7-hydroxyl flavonol 8-12 part,
Ethyl cellulose 5-8 part,
Epoxy propane butyl ether 5-8 part,
1,2-cyclohexane cyclohexanedimethanodibasic 2-glycidyl ester 4-6 part,
Sodium benzoate 2-3 part；
The mixing of one or more in titanium dioxide, magnesium carbonate and zinc oxide of the described inorganic component.
Polybutylene terephthalate (PBT) composite the most according to claim 1, it is characterised in that described polyethylene is low
Density polyethylene.
3. the preparation method of a polybutylene terephthalate (PBT) composite, it is characterised in that the method includes following step
Rapid:
(1) polybutylene terephthalate (PBT) 85-94 part, polyethylene 20-30 part, inorganic component 8-12 part, 7-hydroxyl Huang are weighed
Alkanol 8-12 part, epoxy propane butyl ether 5-8 part, 1,2-cyclohexane cyclohexanedimethanodibasic 2-glycidyl ester 4-6 part and sodium benzoate 2-3
Part；
(2) said components is added mix homogeneously in homogenizer, add ethyl cellulose 5-8 part of abundant ball milling, by pH regulator
To 7.2-7.5；
(3) by pay-off, the product of step (2) is sent in double screw extruder, product screw rod shearing, mixing and
The lower sufficiently fusion of conveying, after eventually passing extrusion, tie rod, cooling, makes polybutylene terephthalate (PBT) composite
Pellet；
The mixing of one or more in titanium dioxide, magnesium carbonate and zinc oxide of the described inorganic component.
The preparation method of polybutylene terephthalate (PBT) composite the most according to claim 3, it is characterised in that institute
State the temperature in each district of double screw extruder in step (3) to be set to: 160-170 DEG C of I district, 175-180 DEG C of II district, III district 185-
190 DEG C, 190-200 DEG C of IV district, 210-220 DEG C of V district, 225-240 DEG C of VI district, 210-220 DEG C of VII district, VIII district 185-190
DEG C, 160-170 DEG C of IX district, head temperature 200-230 DEG C.
The preparation method of polybutylene terephthalate (PBT) composite the most according to claim 3, it is characterised in that institute
State the temperature of mixing in homogenizer and be 50-65 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510181111.1A CN104761875B (en) | 2015-04-16 | 2015-04-16 | A kind of polybutylene terephthalate (PBT) composite and preparation method thereof |
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| CN201510181111.1A CN104761875B (en) | 2015-04-16 | 2015-04-16 | A kind of polybutylene terephthalate (PBT) composite and preparation method thereof |
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| CN104761875B true CN104761875B (en) | 2016-12-07 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1986639A (en) * | 2005-12-23 | 2007-06-27 | 中国科学院化学研究所 | Thermosetting resin-base composite material and its preparing |
| CN103374178A (en) * | 2012-04-23 | 2013-10-30 | 合肥杰事杰新材料股份有限公司 | Low-odor continuous fiber enhanced polypropylene composite material and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6350847A (en) * | 1986-08-21 | 1988-03-03 | Fuji Photo Film Co Ltd | Electrostatic recording film |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1986639A (en) * | 2005-12-23 | 2007-06-27 | 中国科学院化学研究所 | Thermosetting resin-base composite material and its preparing |
| CN103374178A (en) * | 2012-04-23 | 2013-10-30 | 合肥杰事杰新材料股份有限公司 | Low-odor continuous fiber enhanced polypropylene composite material and preparation method thereof |
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