CN103992607B - A kind of saturating ultrared polymethylmethacrylacomposition composition - Google Patents
A kind of saturating ultrared polymethylmethacrylacomposition composition Download PDFInfo
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- CN103992607B CN103992607B CN201310421890.9A CN201310421890A CN103992607B CN 103992607 B CN103992607 B CN 103992607B CN 201310421890 A CN201310421890 A CN 201310421890A CN 103992607 B CN103992607 B CN 103992607B
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- infrared ray
- polymethylmethacrylacomposition composition
- polymethylmethacrylacomposition
- ultrared
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Abstract
The saturating ultrared polymethylmethacrylacomposition composition that the present invention provides, including: polymethyl methacrylate, infrared ray transparent agent, case hardness modifying agent.The saturating ultrared polymethylmethacrylacomposition composition that the present invention provides has high transmitance to different wave length infrared ray, infrared transmittivity is up to more than 80%, visible light transmission is less than 1%, maintain mechanical property, thermal property and the conformability to environment, low cost of manufacture that plexiglass is excellent.
Description
Technical field
The present invention relates to a kind of polymeric composition, particularly relate to a kind of saturating ultrared polymethyl methacrylate
Compositions.
Background technology
After newton prism obtains solar spectrum, have passed through more than 100 year, Britain astronomer Wei Hexie
You find that the maximum position producing heat effect is in the heat effect experiment of research solar spectrum part in 1800
At the infrared end of visible spectrum, it was referred to as " invisible light " at that time, to ampere in 1835, it is the most infrared
Line.Infrared ray is also a kind of electromagnetic wave, and its wavelength is between 0.75～1000 μm.
In the different research fields such as military affairs, space, industrial technology, according to the mechanism of production of infra-red radiation,
Transmission feature and the difference of detection method, and certain window (the i.e. correspondence transmitted in an atmosphere in view of infrared ray
Earth atmosphere in transparent wave band), be generally divided into four fields.I.e. near infrared region (0.75～3 μm),
Middle infrared (3.0～6.0 μm), far-infrared band (6.0～15 μm) and extra-far infrared district (15～1000 μm).
Infrared ray, in addition to the general aspects with electromagnetic wave, also has some special character.Firstly, since it is infrared
Line can not directly cause the visual effect of human eye, and its wavelength is close with visible ray again, therefore uses infrared
Radiating light source just has preferable disguise.Secondly, in nature, all temperature object higher than 0K is all
To give off the infrared ray of different temperatures with the difference of its temperature, therefore to the measurement of infrared intensity and point
A kind of method that analysis just becomes detecting object Temperature Distribution generally adapted to.It addition, certain the several spy in infrared ray
Standing wave length has good penetrance in an atmosphere.Just because of infrared ray has above-mentioned characteristic so that infrared ray is in army
Thing and the every field such as civilian have important application.
Semi-conducting material is one of most important basic material of electronics industry.At full speed along with laser and infrared technique
Development, the superperformance that semi-conducting material is presented in terms of infrared optics day by day causes the attention of people.Make
For infrared optical material, it is desirable to it has；(1) wide infrared through wave band；(2) to different wave length infrared ray
There is high transmitance；(3) different wave length infrared ray is had preferable refractive index and low dispersion；(4) material has
Good mechanics, thermal property and the conformability to environment；(5) variously-shaped and big size easily it is processed into；
(6) low cost of manufacture.At present, from elemental semiconductor germanium, silicon to semiconductor GaAs, GaP, ZnS,
The application in infrared optics field such as ZnSe is more and more extensive.They are forward looking infrared systems (FLIRs), swash
The important infrared optical material of the aspects such as light window and guided missile kuppe, but manufacturing cost is higher.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency, it is provided that a kind of saturating ultrared polymethyl methacrylate group
Compound, with low cost, infrared light transmission is high, it is seen that light percent of pass is low.
The saturating ultrared polymethylmethacrylacomposition composition that the present invention provides, by percentage, bag
Include:
Polymethyl methacrylate 97.5-99.5wt%；
Infrared ray transparent agent 0.05-0.6wt%；
Case hardness modifying agent 0.8-1.6wt%.
Preferably, described infrared ray transparent agent selected from calcium fluoride, Afluon (Asta), fluorination, calcium sulfide, magnesium sulfide,
One or more in sulfuration.
Preferably, described case hardness modifying agent selected from silicone surface-modifying dose, inorganic silicon surface modifier,
One or more in the oxide of barium.
Preferably, described ultrared polymethylmethacrylacomposition composition can also comprise 0.2-1.2wt%
Pigment.
In foregoing of the present invention, described pigment can select the various pigment that the art is conventional, such as market
The white carbon black of upper sale, ferrum oxide, cobalt oxide, titanium dioxide, pigment red 122 (are mainly composed of 2,9 dimethyl
Quinacridone), in organic light yellow, phthalocyanine blue, peacock green, lemon yellow, copper sulfate or acrylic paints etc. one
Kind or several mixture.
Preferably, described ultrared polymethylmethacrylacomposition composition can also comprise light stabilizer, example
Such as Octabenzone etc..
Preferably, described ultrared polymethylmethacrylacomposition composition can also comprise fire retardant, such as
One or more in poly aryl phosphate ester, magnesium hydroxide, barium hydroxide and perfluorobutyl potassium sulfonate.
Preferably, described ultrared polymethylmethacrylacomposition composition can also comprise lubricant, such as
One or more in the double stearic acid acyl ammonium of pentaerythritol stearate, ethylene, stearate and dimethylsilane.
Preferably, described ultrared polymethylmethacrylacomposition composition can also comprise toughener, such as
Styrene butadiene thermoplasticelastomer (SBS), ethylene-vinyl acetate copolymer (EVA), chlorination gather
One or more in second (CPE) etc..
Present invention also offers the preparation method of a kind of above-mentioned ultrared polymethylmethacrylacomposition composition,
Comprise the following steps:
Step 1, is mixed in proportion polymethyl methacrylate with pigment；
Step 2, mixture step 1 obtained mixes in proportion with infrared ray transparent agent, case hardness modifying agent
Close uniformly；
Step 3, extruding pelletization.
Preferably, step 3 use parallel dual-screw extruding machine carry out pelletize.
Preferably, the technological parameter using parallel dual-screw extruding machine to carry out pelletize in step 3 is: district's temperature
180-200 DEG C, two district's temperature 200-230 DEG C, three district's temperature 250-270 DEG C, four district's temperature 250-270 DEG C,
Five district's temperature 240-260 DEG C, six district's temperature 230-250 DEG C, seven district's temperature 250 DEG C, eight district's temperature 230-240
DEG C, die head temperature 250-270 DEG C, residence time of material 2-3min, pressure 10-20MPa, screw speed
300-500 turns/min.
Preferably, described infrared ray transparent agent, case hardness modifying agent were first carrying out surface before step 2
Process.
Preferably, described surface process exactly surface of the work is cleaned, cleans, deburring, descale
Deng.
The saturating ultrared polymethylmethacrylacomposition composition that the present invention provides has height to different wave length infrared ray
Transmitance, infrared transmittivity is up to more than 80%, it is seen that light percent of pass be less than 1%, maintain poly-first
Mechanical property, thermal property and the conformability to environment, the low cost of manufacture that base methacrylate resin is excellent.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated, to be more fully understood that the present invention.
Embodiment 1
Weigh polymethyl methacrylate 98.5Kg, calcium fluoride 0.2Kg, Afluon (Asta) 0.3Kg, organosilicon table
Face modifying agent 1Kg and carbon black 0.2Kg；
Polymethyl methacrylate and carbon black are uniformly mixed, to calcium fluoride, Afluon (Asta) and silicone surface-modifying
Agent carries out surface process；
Each material is stirred a pot high speed (900r/min) stirring 5min at height, after preliminary mixing, from charge door
Place joins in parallel dual-screw extruding machine, and parallel dual-screw extruding machine rushes feed zone and is followed successively by the temperature of head
190 DEG C, 220 DEG C, 255 DEG C, 265 DEG C, 255 DEG C, 250 DEG C, 245 DEG C, 240 DEG C, die head temperature is
260 DEG C, residence time of material 3min, pressure 20MPa, 350 turns/min of screw speed.Through the most double spiral shells
After bar extruder extrusion, pelletize packaging, obtains ultrared polymethylmethacrylacomposition composition.
Embodiment 2
Weigh polymethyl methacrylate 98.3Kg, calcium fluoride 0.2Kg, zinc fluoride 0.3Kg, organosilicon table
Face modifying agent 1Kg and ferrum oxide 0.2Kg；Prepare ultrared poly-according to the same manner as in Example 1
Methyl methacrylate compositions.
Embodiment 3
Weigh polymethyl methacrylate 98.6Kg, calcium fluoride 0.2Kg, zinc fluoride 0.3Kg, organosilicon table
Face modifying agent 1Kg, ferrum oxide 0.2Kg and Octabenzone 0.1Kg；According to and real
Execute the identical mode of example 1 and prepare ultrared polymethylmethacrylacomposition composition.
Embodiment 4
Weigh polymethyl methacrylate 98.5Kg, calcium sulfide 0.2Kg, zinc fluoride 0.3Kg, zinc sulfide 0.2Kg,
Ba oxide 1Kg and ferrum oxide 0.2Kg；Prepare ultrared poly-according to the same manner as in Example 1
Methyl methacrylate compositions.
Embodiment 5
Weigh polymethyl methacrylate 99Kg, calcium sulfide 0.2Kg, zinc fluoride 0.3Kg, zinc sulfide 0.2Kg,
Inorganic silicon surface modifier 1Kg and ferrum oxide 0.2Kg；Prepare red according to the same manner as in Example 1
The polymethylmethacrylacomposition composition of outside line.
The saturating ultrared polymethylmethacrylacomposition composition prepared is placed in temperature is 120-130 DEG C
Being dried 4-6 hour in air dry oven, sample preparation on injection machine, cooling is tested after placing 24h, test
Result is as shown in table 1, and testing standard is U.S.ASTM standard, particularly as follows:
Hot strength standard: ASTM D638, batten a size of 57mm × 13mm × 3.2mm, stretching speed
Degree is 50mm/min；
Bending strength standard: ASTM D790, batten a size of 128mm × 13mm × 3.2mm, bending speed
Degree is 20mm/min；
Chalpy impact standard: ASTM D256, batten a size of 63.5mm × 12.7mm × 3.2mm,
Breach residue width is 10.71mm；
Transmittance (spectrophotometer): batten is homemade colour table 45mm × 12.5mm × 2mm；
The saturating ultrared polymethylmethacrylacomposition composition the performance test results that table 1 present invention provides
As seen from the above table, the saturating ultrared polymethylmethacrylacomposition composition that the present invention provides is to different ripples
Long infrared ray has high transmitance, and infrared light transmission is up to more than 80%, it is seen that light percent of pass is less than 1%,
Maintain the excellent mechanical property of plexiglass, thermal property.
Being described in detail the specific embodiment of the present invention above, but it is intended only as example, the present invention is also
It is not restricted to particular embodiments described above.To those skilled in the art, any the present invention is carried out
Equivalent modifications and substitute the most all among scope of the invention.Therefore, without departing from the spirit of the present invention and model
Enclose lower made impartial conversion and amendment, all should contain within the scope of the invention.
Claims (4)
1. a saturating ultrared polymethylmethacrylacomposition composition, it is characterised in that percentage,
Comprise:
Described compositions also comprises Octabenzone as light stabilizer；Described surface is hard
Degree modifying agent is selected from the oxide of barium；Described infrared ray transparent agent is selected from calcium fluoride, Afluon (Asta), zinc fluoride, sulfur
Change one or more in calcium, magnesium sulfide, zinc sulfide；Described pigment one in white carbon black and ferrum oxide or
Two kinds；
Wherein, described compositions uses following steps to prepare:
Step 1, is mixed in proportion polymethyl methacrylate with pigment；
Step 2, mixture step 1 obtained mixes in proportion with infrared ray transparent agent, case hardness modifying agent
Closing uniformly, wherein, infrared ray transparent agent, case hardness modifying agent were first carrying out surface before step 2
Reason, by each material in height stirs pot with 900r/min high-speed stirred 5min；
Step 3, extruding pelletization.
Polymethylmethacrylacomposition composition the most according to claim 1, it is characterised in that described compositions
Also comprise one or more in fire retardant, lubricant, toughener.
Polymethylmethacrylacomposition composition the most according to claim 1, it is characterised in that adopt in step 3
Pelletize is carried out with parallel dual-screw extruding machine.
4. the polymethylmethacrylacomposition composition as described in any one in claim 1-3 is partly led in preparation
Application in body.
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| CN201310421890.9A CN103992607B (en) | 2013-09-16 | 2013-09-16 | A kind of saturating ultrared polymethylmethacrylacomposition composition |
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| CN103992607B true CN103992607B (en) | 2016-10-05 |
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| EP3395875B2 (en) * | 2017-04-24 | 2023-01-25 | Covestro Deutschland AG | Laser beam-permeable substrate material for sensor applications |
| CN112151660A (en) * | 2020-10-27 | 2020-12-29 | 佛山市国星光电股份有限公司 | Light emitting device |
| CN112151659A (en) * | 2020-10-27 | 2020-12-29 | 佛山市国星光电股份有限公司 | Infrared light emitting device and method of manufacturing the same |
| CN112724629B (en) * | 2020-12-15 | 2022-05-20 | 金发科技股份有限公司 | Polycarbonate composition and preparation method and application thereof |
| CN112745651B (en) * | 2020-12-15 | 2022-05-20 | 金发科技股份有限公司 | Flame-retardant polycarbonate composition and preparation method and application thereof |
| CN112724630B (en) * | 2020-12-15 | 2022-05-17 | 金发科技股份有限公司 | Infrared-transmitting flame-retardant polycarbonate composition and preparation method and application thereof |
| CN114015181A (en) * | 2021-12-02 | 2022-02-08 | 海越红外光学研究院(广东)有限公司 | High-heat-resistance anti-red-exposure infrared-transmitting optical composite material composition and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60188449A (en) * | 1984-03-09 | 1985-09-25 | Asahi Chem Ind Co Ltd | Methacrylate resin composition for infrared filter |
| DE10303193A1 (en) * | 2003-01-27 | 2004-07-29 | Allod Gmbh & Co. Kg | White, laser-transmissive plastic material for laser transmission welding contains thermoplastic base component, micronised zinc sulfide as white pigment and other additives, e.g. lubricants and antioxidants |
| CN102079855A (en) * | 2010-12-06 | 2011-06-01 | 上海杜卡乐聚合体有限公司 | Infrared transmission polymer plastic granule and manufacturing process thereof |
| CN102690508A (en) * | 2012-03-26 | 2012-09-26 | 深圳市科聚新材料有限公司 | Light-tight infrared-transmissive polycarbonate material and preparation method thereof |
-
2013
- 2013-09-16 CN CN201310421890.9A patent/CN103992607B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60188449A (en) * | 1984-03-09 | 1985-09-25 | Asahi Chem Ind Co Ltd | Methacrylate resin composition for infrared filter |
| DE10303193A1 (en) * | 2003-01-27 | 2004-07-29 | Allod Gmbh & Co. Kg | White, laser-transmissive plastic material for laser transmission welding contains thermoplastic base component, micronised zinc sulfide as white pigment and other additives, e.g. lubricants and antioxidants |
| CN102079855A (en) * | 2010-12-06 | 2011-06-01 | 上海杜卡乐聚合体有限公司 | Infrared transmission polymer plastic granule and manufacturing process thereof |
| CN102690508A (en) * | 2012-03-26 | 2012-09-26 | 深圳市科聚新材料有限公司 | Light-tight infrared-transmissive polycarbonate material and preparation method thereof |
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Granted publication date: 20161005 Termination date: 20170916 |