CN102627836B - Master batch for solar backing base membrane and preparation method thereof - Google Patents
Master batch for solar backing base membrane and preparation method thereof Download PDFInfo
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- CN102627836B CN102627836B CN201210105835.4A CN201210105835A CN102627836B CN 102627836 B CN102627836 B CN 102627836B CN 201210105835 A CN201210105835 A CN 201210105835A CN 102627836 B CN102627836 B CN 102627836B
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Abstract
The invention aims to disclose a master batch for a solar backing base membrane and a preparation method thereof. A formula of the master batch consists of the following substances in percentage by weight: 28-45 percent of thermoplastic resin, 40-70 percent of an inorganic additive, 1-10 percent of a dispersing agent and 1-5 percent of an antioxidant. Compared with the prior art, the master batch prepared according to the formula has excellent dispersing performance and high polyester compatibility; a solar backing base membrane produced by adding 25 percent of the master batch into polyester through a bidirectional stretching process has a soft, flat and smooth surface; the master batch is free from lap marks, tears, particles, air bubbles and needle holes, has the elongation at break of over 110 percent, the tensile breaking strength of over 160MPa, the water vapor permeation rate of less than 1.7 percent and the whiteness of over 94, and is widely applied to solar backing base membranes; and the aims of the invention are fulfilled.
Description
Technical field
The present invention relates to a kind of polyester master particle and preparation method thereof, particularly a kind of sun power backing basement membrane master batch that is applicable to sun power backing basement membrane and preparation method thereof.
Background technology
Master batch is by a high proportion of inorganic additives and polyester, add again in the situation of oxidation inhibitor of a small amount of dispersant with high efficiency, the plastic colorant forming through good distribution, its selected dispersion agent has good wet and dissemination to tinting material, and has good consistency with polyester material.That is: inorganic additives+carrier+dispersion agent+oxidation inhibitor=sun power backing basement membrane master batch.
Existing master batch technical matters is general, and what adopt is wet processing, and master batch material forms through water grinding, phase inversion, washing, dry and granulation, and only in this way quality product just can be guaranteed.
In addition, pigment, in milled processed, also should carry out a series of master batch technology for detection, as measured the projects such as the fineness of sand milling slurries, the diffusion of measuring sand milling slurries, the solids content of measuring sand milling slurries and mensuration mill base fineness.
The shortcoming that existing master batch exists is to add in polyester under high adding proportion, through stretch processes, the sun power backing membrane surface unfairness of producing is bright and clean, there are wrinkle, tear, particle, bubble and pin hole, elongation at break is low, and fracture tensile strength can not meet the demands, and water vapor transmittance is higher than 2%, whiteness, lower than 90, is easily stopped up filtering net etc. in production process.
In sum, for the defect of prior art, need especially a kind of sun power backing basement membrane master batch and preparation method thereof, to solve above-mentioned problem.
Summary of the invention
The present invention aims to provide a kind of sun power backing basement membrane master batch and preparation method thereof, solves the defect of above-mentioned prior art, and master batch temperature tolerance is good, strainability is excellent and the spinning cycle is long, is widely used in sun power backing basement membrane.
For achieving the above object, technical problem solved by the invention can realize by the following technical solutions:
On the one hand, the invention provides a kind of sun power backing basement membrane master batch, it is characterized in that the component that it comprises following weight percent: thermoplastic polyester 28%-45%, inorganic additives 40%-70%, dispersion agent 1%-10% and oxidation inhibitor 1-5%.
In one embodiment of the invention, described thermoplastic resin comprises polyethylene terephthalate, polypropylene terephthalate and polybutylene terephthalate.
In one embodiment of the invention, described inorganic additives comprises Rutile type Titanium Dioxide, anatase thpe white powder, magnesium oxide, silicon-dioxide, zinc sulphide, barium sulfate, zinc oxide and calcium carbonate.
In one embodiment of the invention; described oxidation inhibitor comprises three (2.4-di-tert-butyl-phenyl) phosphorous acid ester; four [β-(3; 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and N; N'-pair-(3-(3,5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine.
In one embodiment of the invention, described dispersion agent comprises vinyl bis-stearamides and tetrafluoroethylene wax.
In one embodiment of the invention, described sun power backing basement membrane is 0.1%-0.5%(wt with the moisture content of master batch), limiting viscosity:>=0.2, thermotolerance: 300 DEG C (adopting DIN53772 standard), strainability :≤1.0barcm
2/ g.
On the other hand, the invention provides the preparation method of a kind of sun power backing basement membrane master batch, it is characterized in that, it comprises the steps:
(1) add as required thermoplastic polyester and inorganic additives and pulverize;
(2) add as required dispersion agent and oxidation inhibitor mix and are dried;
(3) carry out melting batch mixing, then cooling and carry out pelletizing;
(4) dedusting is dry, makes sun power backing basement membrane master batch.
In one embodiment of the invention, described melting batch mixing is to melt extrude by twin-screw mixer forcing machine, and described screw speed is 300RPM-320RPM, and mixing time is 500 seconds-800 seconds, and mixture temperature is 100 DEG C-150 DEG C.
In one embodiment of the invention, described cooling mode is water cooling, and cooling temperature is 30 DEG C-80 DEG C.
Master batch and preparation method thereof for sun power backing basement membrane of the present invention, compared with prior art, good and good with the polyester consistency of master batch dispersing property producing by above-mentioned formula, under 25% high adding proportion, add in polyester, through stretch processes, the sun power backing membrane surface of producing is soft smooth bright and clean, there is no wrinkle, tear, particle, bubble, pin hole, elongation at break is greater than 110%, fracture tensile strength is greater than 160MPa, water vapor transmittance is below 1.7%, whiteness is greater than 94, be widely used in sun power backing basement membrane, realize object of the present invention.
Embodiment
Further illustrate by the following examples the present invention, but should be understood that these embodiment are exemplary, the present invention is not limited thereto.
Sun power backing basement membrane master batch of the present invention, the component that it comprises following weight percent: thermoplastic polyester 28%-45%, inorganic additives 40%-70%, dispersion agent 1%-10% and oxidation inhibitor 1-5%.
In the present invention, described thermoplastic resin comprises polyethylene terephthalate, polypropylene terephthalate and polybutylene terephthalate.
Described inorganic additives comprises Rutile type Titanium Dioxide, anatase thpe white powder, magnesium oxide, silicon-dioxide, zinc sulphide, barium sulfate, zinc oxide and calcium carbonate.
Described oxidation inhibitor comprises three (2.4-di-tert-butyl-phenyl) phosphorous acid ester; four [β-(3; 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and N, N'-pair-(3-(3,5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine.
Described dispersion agent comprises vinyl bis-stearamides and tetrafluoroethylene wax.
In the present invention, described sun power backing basement membrane is 0.1%-0.5%(wt with the moisture content of master batch), limiting viscosity:>=0.2, thermotolerance: 300 DEG C (adopting DIN53772 standard), strainability :≤1.0barcm
2/ g.
The preparation method of master batch for sun power backing basement membrane of the present invention, it comprises the steps:
(1) add as required thermoplastic polyester and inorganic additives and pulverize;
(2) add as required dispersion agent and oxidation inhibitor mix and are dried;
(3) carry out melting batch mixing, then cooling and carry out pelletizing;
(4) dedusting is dry, makes sun power backing basement membrane master batch.
In the present invention, described melting batch mixing is to melt extrude by twin-screw mixer forcing machine, and described screw speed is 300RPM-320RPM, and mixing time is 500 seconds-800 seconds, and mixture temperature is 100 DEG C-150 DEG C.
Described cooling mode is water cooling, and cooling temperature is 30 DEG C-80 DEG C.
Embodiment 1:
In the present embodiment, the component that its formula contains following weight percent: polyethylene terephthalate 28%, magnesium oxide 5%, silicon-dioxide 5%, titanium dioxide 60% and three (2.4-di-tert-butyl-phenyl) phosphorous acid ester 1%, vinyl bis-stearamides 1%.
Described melting batch mixing is to melt extrude by twin-screw mixer forcing machine, and described screw speed is 300RPM, and mixing time is 500 seconds, and mixture temperature is 100 DEG C.
Described cooling mode is water cooling, and cooling temperature is 30 DEG C.
The moisture content of the master batch producing by above-mentioned formula is 0.1%(wt), limiting viscosity:>=0.2, thermotolerance: 300 DEG C (adopting DIN53772 standard), strainability :≤1.0barcm
2/ g.
Embodiment 2:
In the present embodiment, the component that its formula contains following weight ratio: polybutylene terephthalate 45%, magnesium oxide 5%, barium sulfate 5%, titanium dioxide 30% and four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 5%, vinyl bis-stearamides 10%.
Described melting batch mixing is to melt extrude by twin-screw mixer forcing machine, and described screw speed is 320RPM, and mixing time is 800 seconds, and mixture temperature is 150 DEG C.
Described cooling mode is water cooling, and cooling temperature is 80 DEG C.
The moisture content of the master batch producing by above-mentioned formula is 0.5%(wt), limiting viscosity:>=0.2, thermotolerance: 300 DEG C (adopting DIN53772 standard), strainability :≤1.0barcm
2/ g.
Embodiment 3:
In the present embodiment; the component that its formula contains following weight ratio: Poly(Trimethylene Terephthalate) 31%, magnesium oxide 5%, zinc sulphide 10%; titanium dioxide 50% and N; N'-pair-(3-(3,5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine 2%, tetrafluoroethylene wax 2%.
Described melting batch mixing is to melt extrude by twin-screw mixer forcing machine, and described screw speed is 310RPM, and mixing time is 700 seconds, and mixture temperature is 120 DEG C.
Described cooling mode is water cooling, and cooling temperature is 70 DEG C.
The moisture content of the master batch producing by above-mentioned formula is 0.3%(wt), limiting viscosity:>=0.2, thermotolerance: 300 DEG C (adopting DIN53772 standard), strainability :≤1.0barcm
2/ g.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. a sun power backing basement membrane master batch, it is characterized in that, the component that comprises following weight percent: polybutylene terephthalate 45%, magnesium oxide 5%, barium sulfate 5%, titanium dioxide 30% and four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 5%, vinyl bis-stearamides 10%;
Described sun power backing basement membrane is 0.1%-0.5%wt with the moisture content of master batch, limiting viscosity:>=0.2, and thermotolerance: 300 DEG C, adopt DIN53772 standard, strainability :≤1.0barcm
2/ g.
2. a preparation method for master batch for sun power backing basement membrane, is characterized in that, it comprises the steps:
(1) add as required thermoplastic polyester and inorganic additives and pulverize;
(2) add as required dispersion agent and oxidation inhibitor mix and are dried;
(3) carry out melting batch mixing, then cooling and carry out pelletizing;
(4) dedusting is dry, makes sun power backing basement membrane master batch.
3. the preparation method of master batch for sun power backing basement membrane according to claim 2, it is characterized in that, described melting batch mixing is to melt extrude by twin-screw mixer forcing machine, described screw speed is 300rpm-320rpm, mixing time is 500 seconds-800 seconds, and mixture temperature is 100 DEG C-150 DEG C.
4. the preparation method of master batch for sun power backing basement membrane according to claim 2, is characterized in that, described cooling mode is water cooling, and cooling temperature is 30 DEG C-80 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210105835.4A CN102627836B (en) | 2012-04-11 | 2012-04-11 | Master batch for solar backing base membrane and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210105835.4A CN102627836B (en) | 2012-04-11 | 2012-04-11 | Master batch for solar backing base membrane and preparation method thereof |
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| CN102627836A CN102627836A (en) | 2012-08-08 |
| CN102627836B true CN102627836B (en) | 2014-07-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105542279A (en) * | 2016-01-18 | 2016-05-04 | 常州市双成塑母料有限公司 | Preparation method of highly-filled polyethylene master batch |
| CN108001009A (en) * | 2017-11-22 | 2018-05-08 | 安徽国风塑业股份有限公司 | A kind of novel B OPTT films and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608055A (en) * | 2008-06-16 | 2009-12-23 | 东莞市宝临塑胶有限公司 | A kind of imitated ceramic plastic material |
| CN102020833A (en) * | 2011-01-18 | 2011-04-20 | 南通市东方塑胶有限公司 | Reinforced flame retardant polyester with high molding rate and fluidity and production method thereof |
| CN102093689A (en) * | 2010-12-27 | 2011-06-15 | 金发科技股份有限公司 | Master batch with light scattering function, and preparation method and application thereof |
| CN102146198A (en) * | 2011-01-11 | 2011-08-10 | 深圳市科聚新材料有限公司 | Polybutylece terephthalate (PBT) filler masterbatch and preparation method thereof |
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- 2012-04-11 CN CN201210105835.4A patent/CN102627836B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608055A (en) * | 2008-06-16 | 2009-12-23 | 东莞市宝临塑胶有限公司 | A kind of imitated ceramic plastic material |
| CN102093689A (en) * | 2010-12-27 | 2011-06-15 | 金发科技股份有限公司 | Master batch with light scattering function, and preparation method and application thereof |
| CN102146198A (en) * | 2011-01-11 | 2011-08-10 | 深圳市科聚新材料有限公司 | Polybutylece terephthalate (PBT) filler masterbatch and preparation method thereof |
| CN102020833A (en) * | 2011-01-18 | 2011-04-20 | 南通市东方塑胶有限公司 | Reinforced flame retardant polyester with high molding rate and fluidity and production method thereof |
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