CN104151786A - Preparation method of environment-friendly antibacterial polybutylene terephthalate alloy composite material - Google Patents
Preparation method of environment-friendly antibacterial polybutylene terephthalate alloy composite material Download PDFInfo
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- CN104151786A CN104151786A CN201310178523.0A CN201310178523A CN104151786A CN 104151786 A CN104151786 A CN 104151786A CN 201310178523 A CN201310178523 A CN 201310178523A CN 104151786 A CN104151786 A CN 104151786A
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Abstract
The invention provides a preparation method of an environment-friendly antibacterial polybutylene terephthalate alloy composite material and belongs to the technical field of preparing the high polymer materials. The preparation method comprises the following steps: firstly, putting 100-112 parts of polybutylene terephthalate weighed according to the parts by weight into a drying oven for drying at 106 DEG C for 11.5 hours, and then putting the dried material, together with 21-27 parts of polyamide resin, 13-18 parts of olefin resin, 6-9 parts of compatilizer, 0.2-0.5 part of antibacterial agent, 20-30 parts of glass fiber powder, 0.7-1.4 parts of antioxidant, 0.6-0.9 part of lubricant and 0.7-1.7 parts of carbon black all weighed according to the parts by weight, into a high-speed mixer and mixing for 15 minutes, next, transferring the mixture to a parallel twin-screw extruder for melt extrusion, and carrying out cooling and grain-sized dicing to finally obtain the environment-friendly antibacterial polybutylene terephthalate alloy composite material. The environment-friendly antibacterial polybutylene terephthalate alloy composite material has the following performance indexes: tensile strength of 115-127MPa, bending strength of 190-225MPa, and notch impact strength of 11.5-13.4kj/m<2>; due to the added antibacterial agent, no bacterium can be bred even in the long-term use process of the environment-friendly antibacterial polybutylene terephthalate alloy composite material.
Description
Technical field
The invention belongs to field of polymer material preparing technology, be specifically related to a kind of preparation method of polybutylene terephthalate alloy composite materials of environment-friendly antibacterial.
Background technology
Have because polybutylene terephthalate is poly-that intensity is high, surface hardness is excellent, good electrical property and the feature such as high temperature resistant, thereby it is a kind of engineering plastics of high comprehensive performance, is widely used in automobile, electronic apparatus and mechanical manufacturing field.Along with people are to the improving constantly of this type of material requirements, the particularly appearance requirement increasingly stringent to goods.The daily electric shell that in prior art, material is made is thus long when duration of service one, easily grows mould, causes macroscopic irregularity.Disclosed a kind of antibiotic polymer composite material in the open CN101298511A of patent, it uses transesterify, polycondensation and melting method, and by the processing of antiseptic-germicide montmorillonite intercalation, the method exists performance difficulty to be difficult to meet industrial amplification production requirement.Therefore the preparation method who is necessary then to explore the polybutylene terephthalate alloy composite materials that is made up this defect, the applicant has done repeatedly and good try for this reason, and technical scheme described below produces under this background.
Summary of the invention
Task of the present invention is the preparation method of the polybutylene terephthalate alloy composite materials that a kind of environment-friendly antibacterial is provided, and the method not only technique is terse, and the material that can make to obtain has excellent intensity, the good feature of environmental protection and desirable antibacterial effect.
Task of the present invention completes like this, a kind of preparation method of polybutylene terephthalate alloy composite materials of environment-friendly antibacterial, it is first will in 100～112 parts of input loft drier of the polybutylene terephthalate resin taking by weight, at 106 DEG C, to be dried 11.5h, obtain dried feed, 21～27 parts of the polyamide resins again this dried feed companion being taken by weight, 13～18 parts of olefin resins, 6 ~ 9 parts of compatilizers, 0.2 ~ 0.5 part of antiseptic-germicide, 20 ~ 30 parts of glass fiber powders, 0.7 ~ 1.4 part, oxidation inhibitor, in 0.6 ~ 0.9 part of lubricant and 0.7 ~ 1.7 part of input high-speed mixer of carbon black, mix 15min, obtain compound, then compound is transferred in parallel twin screw extruder and melt extrudes, after cooling and pelletizing, obtain the polybutylene terephthalate alloy composite materials of environment-friendly antibacterial.
In one embodiment of the invention, described polybutylene terephthalate resin is fusing point at the polybutylene terephthalate resin of 222 DEG C.
In another embodiment of the present invention, described polyamide resin is fusing point at the polycaprolactam of 230 DEG C.
In yet another embodiment of the present invention, described olefin resin is fusing point at the metallocene PE resin of 130 DEG C.
In another embodiment of the present invention, the polyvinyl resin that described compatilizer is maleic anhydride graft.
Also have in an embodiment of the present invention, described antiseptic-germicide is pyrimidine zinc sulfate.
More of the present invention and in an embodiment, described glass fiber powder is the glass fibre grinding, length is at 60～100 microns.
In of the present invention and then an embodiment, described oxidation inhibitor is the two dodecane esters of thio-2 acid.
Of the present invention again more and in an embodiment, described lubricant is stearic amide.
In again of the present invention and then an embodiment, described carbon black is the carbon black that channel process is produced.
The polybutylene terephthalate alloy composite materials of the environment-friendly antibacterial of being prepared by the inventive method has following performance index after tested: tensile strength 115～127MPa, flexural strength 190～225MPa, notched Izod impact strength 11.5～13.4kj/m
2; Have antiseptic-germicide owing to adding, therefore life-time service can breed bacteria.
Embodiment
Embodiment 1:
First the fusing point taking is by weight dried in 100 parts of input loft drier of polybutylene terephthalate resin of 222 DEG C at 106 DEG C to 11.5h, obtain dried feed, again by this dried feed in company with the fusing point taking by weight 27 parts of the polycaprolactams of 230 DEG C, fusing point is 15 parts of the metallocene PE resins of 130 DEG C, by 6 parts of the polyvinyl resins of maleic anhydride graft, 0.2 part, pyrimidine zinc sulfate, length is in 25 parts, the milled glass fiber powder of 60～100 microns, 0.7 part of the two dodecane ester of thio-2 acid, in 0.9 part of stearic amide and 1.2 parts of input high-speed mixers of carbon black of being produced by channel process, mix 15min, obtain compound, then compound is transferred in parallel twin screw extruder and melt extrudes (extruder temperature is 250-275 DEG C), go out the polybutylene terephthalate alloy composite materials that twin screw extruder obtains environment-friendly antibacterial after cooling and pelletizing.
Embodiment 2:
First the fusing point taking is by weight dried in 11200 parts of input loft drier of polybutylene terephthalate resin of 222 DEG C at 106 DEG C to 11.5h, obtain dried feed, again by this dried feed in company with the fusing point taking by weight 21 parts of the polycaprolactams of 230 DEG C, fusing point is 13 parts of the metallocene PE resins of 130 DEG C, by 9 parts of the polyvinyl resins of maleic anhydride graft, 0.5 part, pyrimidine zinc sulfate, length is in 20 parts, the milled glass fiber powder of 60～100 microns, 1.4 parts of the two dodecane esters of thio-2 acid, in 0.8 part of stearic amide and 1.5 parts of input high-speed mixers of carbon black of being produced by channel process, mix 15min, obtain compound, then compound is transferred in parallel twin screw extruder and melt extrudes (extruder temperature is 250 DEG C), go out the polybutylene terephthalate alloy composite materials that twin screw extruder obtains environment-friendly antibacterial after cooling and pelletizing.
Embodiment 3:
First the fusing point taking is by weight dried in 105 parts of input loft drier of polybutylene terephthalate resin of 222 DEG C at 106 DEG C to 11.5h, obtain dried feed, again by this dried feed in company with the fusing point taking by weight 23 parts of the polycaprolactams of 230 DEG C, fusing point is 18 parts of the metallocene PE resins of 130 DEG C, by 8 parts of the polyvinyl resins of maleic anhydride graft, 0.3 part, pyrimidine zinc sulfate, length is in 30 parts, the milled glass fiber powder of 60～100 microns, 1 part of the two dodecane ester of thio-2 acid, in 0.6 part of stearic amide and 0.7 part of input high-speed mixer of carbon black of being produced by channel process, mix 15min, obtain compound, then compound is transferred in parallel twin screw extruder and melt extrudes (extruder temperature is 265 DEG C), go out the polybutylene terephthalate alloy composite materials that twin screw extruder obtains environment-friendly antibacterial after cooling and pelletizing.
Embodiment 4:
First the fusing point taking is by weight dried in 110 parts of input loft drier of polybutylene terephthalate resin of 222 DEG C at 106 DEG C to 11.5h, obtain dried feed, again by this dried feed in company with the fusing point taking by weight 25 parts of the polycaprolactams of 230 DEG C, fusing point is 17 parts of the metallocene PE resins of 130 DEG C, by 7 parts of the polyvinyl resins of maleic anhydride graft, 0.4 part, pyrimidine zinc sulfate, length is in 27 parts, the milled glass fiber powder of 60～100 microns, 1.2 parts of the two dodecane esters of thio-2 acid, in 0.7 part of stearic amide and 1.7 parts of input high-speed mixers of carbon black of being produced by channel process, mix 15min, obtain compound, then compound is transferred in parallel twin screw extruder and melt extrudes (extruder temperature is 270 DEG C), go out the polybutylene terephthalate alloy composite materials that twin screw extruder obtains environment-friendly antibacterial after cooling and pelletizing.
The polybutylene terephthalate alloy composite materials of the environment-friendly antibacterial being obtained by above-described embodiment 1 to 4 has following technique effect after tested:
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Tensile strength MPa | 116 | 119 | 124 | 127 |
| Flexural strength MPa | 190 | 201 | 213 | 225 |
| Notched Izod impact strength Kj/m 2 | 11.7 | 12.2 | 12.8 | 13.4 |
Claims (10)
1.
a kind of preparation method of polybutylene terephthalate alloy composite materials of environment-friendly antibacterial, it is characterized in that it is first will in 100～112 parts of input loft drier of the polybutylene terephthalate resin taking by weight, at 106 DEG C, to be dried 11.5h, obtain dried feed, 21～27 parts of the polyamide resins again this dried feed companion being taken by weight, 13～18 parts of olefin resins, 6 ~ 9 parts of compatilizers, 0.2 ~ 0.5 part of antiseptic-germicide, 20 ~ 30 parts of glass fiber powders, 0.7 ~ 1.4 part, oxidation inhibitor, in 0.6 ~ 0.9 part of lubricant and 0.7 ~ 1.7 part of input high-speed mixer of carbon black, mix 15min, obtain compound, then compound is transferred in parallel twin screw extruder and melt extrudes, after cooling and pelletizing, obtain the polybutylene terephthalate alloy composite materials of environment-friendly antibacterial.
2.
the preparation method of the polybutylene terephthalate alloy composite materials of environment-friendly antibacterial according to claim 1, is characterized in that described polybutylene terephthalate resin is fusing point at the polybutylene terephthalate resin of 222 DEG C.
3.
the preparation method of the polybutylene terephthalate alloy composite materials of environment-friendly antibacterial according to claim 1, is characterized in that described polyamide resin is fusing point at the polycaprolactam of 230 DEG C.
4.
the preparation method of the polybutylene terephthalate alloy composite materials of environment-friendly antibacterial according to claim 1, is characterized in that described olefin resin is fusing point at the metallocene PE resin of 130 DEG C.
5.
the preparation method of the polybutylene terephthalate alloy composite materials of environment-friendly antibacterial according to claim 1, is characterized in that the polyvinyl resin that described compatilizer is maleic anhydride graft.
6.
the preparation method of the polybutylene terephthalate alloy composite materials of environment-friendly antibacterial according to claim 1, is characterized in that described antiseptic-germicide is pyrimidine zinc sulfate.
7.
the preparation method of the polybutylene terephthalate alloy composite materials of environment-friendly antibacterial according to claim 1, is characterized in that described glass fiber powder is the glass fibre grinding, and length is at 60～100 microns.
8.
the preparation method of the polybutylene terephthalate alloy composite materials of environment-friendly antibacterial according to claim 1, is characterized in that described oxidation inhibitor is the two dodecane esters of thio-2 acid.
9.
the preparation method of the polybutylene terephthalate alloy composite materials of environment-friendly antibacterial according to claim 1, is characterized in that described lubricant is stearic amide.
10.
the preparation method of the polybutylene terephthalate alloy composite materials of environment-friendly antibacterial according to claim 1, is characterized in that described carbon black is the carbon black that channel process is produced.
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| CN201310178523.0A CN104151786A (en) | 2013-05-14 | 2013-05-14 | Preparation method of environment-friendly antibacterial polybutylene terephthalate alloy composite material |
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| CN201310178523.0A CN104151786A (en) | 2013-05-14 | 2013-05-14 | Preparation method of environment-friendly antibacterial polybutylene terephthalate alloy composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109535664A (en) * | 2018-10-30 | 2019-03-29 | 惠州市中海源新材料科技有限公司 | A kind of connector high molecular material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3903042A (en) * | 1974-06-11 | 1975-09-02 | Celanese Corp | Stabilized polyalkylene terephthalate resin composition |
| CN1108673A (en) * | 1993-12-28 | 1995-09-20 | 大赛璐化学工业株式会社 | Thermoplastic resin composition |
| CN101565536A (en) * | 2009-05-08 | 2009-10-28 | 南通中蓝工程塑胶有限公司 | Flame-retardant polybutylece terephthalate resin composition with high glow wire ignition temperature |
| CN102344673A (en) * | 2011-09-13 | 2012-02-08 | 金发科技股份有限公司 | Glass fiber reinforced polyamide/polyester alloy and preparation method thereof |
| CN102918108A (en) * | 2010-05-27 | 2013-02-06 | 胜技高分子株式会社 | Polybutylene terephthalate resin composition |
-
2013
- 2013-05-14 CN CN201310178523.0A patent/CN104151786A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3903042A (en) * | 1974-06-11 | 1975-09-02 | Celanese Corp | Stabilized polyalkylene terephthalate resin composition |
| CN1108673A (en) * | 1993-12-28 | 1995-09-20 | 大赛璐化学工业株式会社 | Thermoplastic resin composition |
| CN101565536A (en) * | 2009-05-08 | 2009-10-28 | 南通中蓝工程塑胶有限公司 | Flame-retardant polybutylece terephthalate resin composition with high glow wire ignition temperature |
| CN102918108A (en) * | 2010-05-27 | 2013-02-06 | 胜技高分子株式会社 | Polybutylene terephthalate resin composition |
| CN102344673A (en) * | 2011-09-13 | 2012-02-08 | 金发科技股份有限公司 | Glass fiber reinforced polyamide/polyester alloy and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109535664A (en) * | 2018-10-30 | 2019-03-29 | 惠州市中海源新材料科技有限公司 | A kind of connector high molecular material |
| CN109535664B (en) * | 2018-10-30 | 2020-12-01 | 惠州市中海源新材料科技有限公司 | High polymer material for connector |
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Application publication date: 20141119 |