CN109181266A - A kind of LED lamp cover uses up diffusion plastic matrix and preparation method - Google Patents
A kind of LED lamp cover uses up diffusion plastic matrix and preparation method Download PDFInfo
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- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2231—Oxides; Hydroxides of metals of tin
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- C08K7/00—Use of ingredients characterised by shape
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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Abstract
The present invention provides a kind of LED lamp covers to use up diffusion plastic matrix and preparation method.It will be added in tin oxide precursor sol after glass microballoon surface activation process, it stirs evenly and is atomized granulation, collection is placed in Muffle furnace and calcines, tin oxide cladding glass microballoon particle will finally be obtained after activating agent is handled, diffusion masterbatch is used up with resin carrier, auxiliary agent mixing extruding pelletization to get LED lamp cover.This method coats glass microballoon composite particles by tin oxide, manufactured masterbatch directly addition can prepare light diffusing sheet material, the material is used to ensure when LED lamp cover with high transparency, optical energy loss is smaller, and antistatic property is good, and LED light is converted into the area source of uniform-illumination by point light source, realize soft illuminating effect, light diffusion effect is good, and preparation process is simple, high production efficiency.
Description
Technical field
The present invention relates to LED light Material Fields, and in particular to LED light photodiffusion material, more particularly to a kind of LED lamp cover
Use up diffusion plastic matrix and preparation method.
Background technique
Light diffusing sheet is also known as uniform light board, in LED illumination and liquid crystal flat panel display industry extensive application, it is desirable that have
The features such as light diffusing height, light transmittance height.The main ingredient of light diffusing sheet is transparent resin substrate and adulterates therein few at present
Perhaps light diffusing agent, transparent resin substrate here include polycarbonate, polymethyl methacrylate and polystyrene.Light expands
The manufacturing method to fall apart is the high temperature for the transparent resin substrate for being doped with diffusion particle being heated to 210 ~ 230 DEG C, in molten
The continuous flat sheet of preset thickness, cooling after-hardening molding are extruded under state.
A kind of plate of the light diffusing sheet as macromolecule composition molds after die head often with high-pressure electrostatic, and electrostatic is past
Toward up to 20,000 volts, this has a security risk for operator, at the same high-pressure electrostatic can also adsorb it is different in production environment
Object often reduces the light transmittance of light diffusing sheet, cleans these foreign matters and then increase production cost.Therefore light diffusing sheet is produced
It include the process destaticed in technique, traditional technique is that generated electrostatic is removed using electrostatic rod.But light diffusing sheet into
High-pressure electrostatic can be had again again after entering subsequent processing, caused to need to eliminate electrostatic repeatedly in production technology, increased operator
The workload of member, and security risk is brought in production environment.Current process is given by increasing in light diffusing sheet production technology
The process that light diffusing sheet coats electrically conducting transparent thin layer coats layer of transparent conductive thin in the incidence surface or light-emitting surface of light diffusing sheet
Layer, so that once and for all goes to destatic.
Chinese invention patent application number 201410737722.5 discloses a kind of high shielding diffuser plate masterbatch and system
Preparation Method, and the method for preparing diffuser plate, by 10 ~ 11 parts of 100 parts of polystyrene, organic siliconresin, the partial size 2 of poidometer
~ 5 μm of 0.3 ~ 0.4 part of titanium dioxide, 0.15 ~ 0.2 part of fluorescent whitening agent, 0.02 ~ 0.025 part of mineral oil be blended after squeeze out and obtain
Then masterbatch is squeezed out using 6.1 parts of masterbatch and 100 parts of polystyrene blends and is obtained mixture, then imprinting moulding can be obtained
High high shielding diffuser plate thoroughly.Masterbatch is aided with the mesh that the industrial chemicals such as hyperchromic, toughening reach modifying plastics based on diffusion particle
, while making diffuser plate that there is diffusion function, also have the effect of high shielding.
It is compound that Chinese invention patent application number 201210040103.1 discloses a kind of polycarbonate suitable for LED lamp cover
Material and preparation method thereof, compound composition are 100 parts by weight by matrix polycarbonate material, and proportion is respectively as follows: poly- carbonic acid
100 parts of ester, 5 ~ 15 parts of light-scattering master batch, 0.2 ~ 1.0 part of fire retardant, 1 ~ 3 part of nanometer of master batch, 0.2 ~ 1.0 part of other auxiliary agents.The hair
It is bright to use based on engineering plastics polycarbonate, light diffusion master batch and nano assistant master batch are first manufactured by mixer, then will
Its high speed crushes, then is granulated the light diffusion master batch and other raw material blending extrusions with side feeding method.
Chinese invention patent application number 201210584658.2 discloses a kind of transparent plastic light diffusion master batch and its system
Preparation Method；Comprising count by weight percentage 2.5 ~ 7.5 parts of 1 ~ 8 part of 5 ~ 50 parts of light diffusing agent, lubrication dispersing agent, antioxidant,
2.5 ~ 7.5 parts and 27 ~ 91 parts of matrix resin of ultraviolet absorbing agent；And they are put into extruder after mixing and is carried out
Melting extrusion, extrudate are prepared into light diffusion master batch product after cooling and dicing, drying.
Chinese invention patent application number 201610266918.X discloses a kind of LED illumination and uses up diffusion fire-retardant polycarbonate
Organic light diffusing agent is added in material, the invention in composite base material, and light is soft, stability is good, is tightly combined between particle, just
In forming homogeneous system, organic light diffusing agent cooperates with fluorescent whitening agent cooperation, not only improves light transmittance, also the diffusion of promotion light
Effect, product glossiness are good.
According to above-mentioned, for LED lamp cover light diffusing sheet, that there are transparencies is low, is also easy to produce high-pressure electrostatic in existing scheme
Defect, and in the existing technical method for destaticing and enhancing the transparency, by coating the process of electrically conducting transparent thin layer, there are works
The many and diverse problem of skill.
Summary of the invention
Have the defects that transparency is low for the wider LED lamp cover light diffusing sheet of current application, be also easy to produce high-pressure electrostatic, and
There is cumbersome in the technical method of existing coating electrically conducting transparent thin layer, the present invention proposes that a kind of LED lamp cover is used up
Plastic matrix and preparation method are spread, to effectively realize the high grade of transparency and antistatic property of light diffusing sheet, and technique
Simply, easy to spread.
Specific technical solution of the present invention is as follows:
A kind of LED lamp cover uses up the preparation method of diffusion plastic matrix, comprising the following steps:
(1) tin tetrachloride is dissolved in the aqueous solution of alcohol, stirs evenly to form colloidal sol to get tin oxide precursor sol；
(2) glass microballoon and surfactant cetyl trimethylammonium bromide are subjected to mixed processing in a high speed mixer,
Then it is added in tin oxide precursor sol made from step (1), stirs evenly, dispersion liquid is made；
(3) dispersion liquid made from step (2) is granulated by atomization, particulate matter is collected, by the particulate matter of collection in Muffle furnace
It is calcined, tin oxide is made and coats glass microballoon particle；
(4) by tin oxide made from step (3) coat activated dose of glass microballoon particle activation processing, then with resin carrier, help
Agent mixing, and the extruding pelletization in screw extruder, obtained LED lamp cover use up diffusion masterbatch.
Glass microballoon is a kind of novel silicate material, diameter be 0.8mm hereinafter, hardness Morse 1.50 ~ 1.54 it
Between, there are excellent resistant to chemical etching, impact resistance, roundness is good, and uniform in size, it is excellent that translucency and reflectivity are good
Photodiffusion material；In addition, tin oxide is a kind of outstanding transparent conductive material.The present invention is by by the precursor and glass of tin oxide
Glass microballon mixed aerosol is granulated, and in the tin oxide of glass microballoon surface bonding layer of transparent conduction after calcining, passes through succinct work
Skill step obtains tin oxide cladding glass microballoon composite particles, realizes that filler high light transmission is modified, not only spreads with excellent light
Ability, and antistatic property is excellent.
Preferably, each parts by weight of raw materials is in step (1), 15 ~ 20 parts by weight of tin tetrachloride, 30 ~ 40 parts by weight of alcohol, water 40
~ 55 parts by weight.
Preferably, the temperature of step (2) described mixed processing is 80 ~ 90 DEG C, and revolving speed is 150 ~ 200r/min, time 20
~40min。
Preferably, each parts by weight of raw materials is 20 ~ 30 parts by weight of glass microballoon, cetyl trimethyl bromination in step (2)
2 ~ 5 parts by weight of ammonium, 65 ~ 78 parts by weight of tin oxide precursor sol.
Preferably, the temperature of step (3) described calcining is 400 ~ 450 DEG C, and the time is 3 ~ 6min.
Preferably, step (4) activator is ethylenediamine phosphate, phosphoric acid propane diamine, ammonium sulfate, ammonium chloride, sulfuric acid Asia
At least one of iron.
Preferably, step (4) resin carrier is transparent polycarbonate, polymethyl methacrylate, polystyrene
One of.
Preferably, step (4) described auxiliary agent include but is not limited to plasticizer, antioxidant, reinforcing agent, fire retardant, toughener,
At least one of lubricant, mould inhibitor, colorant, coupling agent, stabilizer, antistatic agent.
Preferably, each parts by weight of raw materials is in step (4), and tin oxide coats 20 ~ 40 parts by weight of glass microballoon particle, activation
2 ~ 3 parts by weight of agent, 47 ~ 75 parts by weight of resin carrier, 3 ~ 10 parts by weight of auxiliary agent.
The present invention also provides a kind of LED lamp covers that above-mentioned preparation method is prepared to use up diffusion plastic matrix.By chlorination
Tin is dissolved in alcohol solution and forms colloidal sol, using it as tin oxide presoma；By glass microballoon by surfactant cetyl three
Methyl bromide ammonium is handled, and is then added in tin oxide precursor sol, is stirred evenly；It is granulated and is collected by atomization, juxtaposition
It is calcined in Muffle furnace, obtains tin oxide cladding glass microballoon particle；By glass microballoon/tin oxide after activating agent is handled, with
Resin carrier, auxiliary agent etc. are granulated through screw extruder, obtain product.
The present invention provides a kind of LED lamp covers to use up diffusion plastic matrix and preparation method, compared with prior art, dashes forward
Out the characteristics of and excellent effect are:
1, it proposes to obtain the side that composite particles preparation LED lamp cover uses up diffusion plastic matrix using tin oxide cladding glass microballoon
Method.
2, tin oxide is obtained by succinct processing step and coats glass microballoon composite particles, realized filler high light transmission and change
Property, improve production efficiency.
3, masterbatch made of the present invention directly addition can prepare plate, can assign plate excellent light diffusing, the material
For ensuring that optical energy loss is smaller with high transparency when LED lamp cover, and antistatic property is good.
4, LED light is converted into the area source of uniform-illumination by the present invention by point light source, realizes soft illuminating effect.
Specific embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
Preparation process are as follows:
(1) tin tetrachloride is dissolved in alcohol solution, stirs evenly to form colloidal sol, is i.e. tin oxide precursor sol；Wherein, tetrachloro
Change 17 parts by weight of tin, 34 parts by weight of alcohol, 49 parts by weight of water；
(2) glass microballoon and surfactant cetyl trimethylammonium bromide are subjected to mixed processing in a high speed mixer,
Then it is added in tin oxide precursor sol made from step (1), stirs evenly, dispersion liquid is made；The temperature of mixed at high speed is
86 DEG C, revolving speed 170r/min, time 32min；Wherein, 26 parts by weight of glass microballoon, 3 weight of cetyl trimethylammonium bromide
Measure part, 71 parts by weight of tin oxide precursor sol；
(3) dispersion liquid made from step (2) is granulated by atomization, the particulate matter of collection is calcined in Muffle furnace, is made
Tin oxide coats glass microballoon particle；The temperature of calcining is 430 DEG C, time 5min；
(4) tin oxide made from step (3) is coated into activated dose of glass microballoon particle processing, then mixed with resin carrier, auxiliary agent
It closes, and the extruding pelletization in screw extruder, obtained LED lamp cover use up diffusion masterbatch；Activator is ethylenediamine phosphate；Resin carries
Body is transparent polycarbonate；Auxiliary agent is plasticizer polyethylene wax；Wherein, tin oxide cladding 28 parts by weight of glass microballoon particle,
2 parts by weight of activator, 65 parts by weight of resin carrier, 5 parts by weight of auxiliary agent.
Embodiment 2
Preparation process are as follows:
(1) tin tetrachloride is dissolved in alcohol solution, stirs evenly to form colloidal sol, is i.e. tin oxide precursor sol；Wherein, tetrachloro
Change 16 parts by weight of tin, 33 parts by weight of alcohol, 51 parts by weight of water；
(2) glass microballoon and surfactant cetyl trimethylammonium bromide are subjected to mixed processing in a high speed mixer,
Then it is added in tin oxide precursor sol made from step (1), stirs evenly, dispersion liquid is made；The temperature of mixed at high speed is
82 DEG C, revolving speed 160r/min, time 35min；Wherein, 22 parts by weight of glass microballoon, 3 weight of cetyl trimethylammonium bromide
Measure part, 75 parts by weight of tin oxide precursor sol；
(3) dispersion liquid made from step (2) is granulated by atomization, the particulate matter of collection is calcined in Muffle furnace, is made
Tin oxide coats glass microballoon particle；The temperature of calcining is 410 DEG C, time 5min；
(4) tin oxide made from step (3) is coated into activated dose of glass microballoon particle processing, then mixed with resin carrier, auxiliary agent
It closes, and the extruding pelletization in screw extruder, obtained LED lamp cover use up diffusion masterbatch；Activator is phosphoric acid propane diamine；Resin carries
Body is transparent polycarbonate；Auxiliary agent is toughener POE；Wherein, tin oxide coats 25 parts by weight of glass microballoon particle, activator
2 parts by weight, 69 parts by weight of resin carrier, 4 parts by weight of auxiliary agent.
Embodiment 3
Preparation process are as follows:
(1) tin tetrachloride is dissolved in alcohol solution, stirs evenly to form colloidal sol, is i.e. tin oxide precursor sol；Wherein, tetrachloro
Change 18 parts by weight of tin, 38 parts by weight of alcohol, 44 parts by weight of water；
(2) glass microballoon and surfactant cetyl trimethylammonium bromide are subjected to mixed processing in a high speed mixer,
Then it is added in tin oxide precursor sol made from step (1), stirs evenly, dispersion liquid is made；The temperature of mixed at high speed is
88 DEG C, revolving speed 190r/min, time 35min；Wherein, 27 parts by weight of glass microballoon, 4 weight of cetyl trimethylammonium bromide
Measure part, 69 parts by weight of tin oxide precursor sol；
(3) dispersion liquid made from step (2) is granulated by atomization, the particulate matter of collection is calcined in Muffle furnace, is made
Tin oxide coats glass microballoon particle；The temperature of calcining is 440 DEG C, time 4min；
(4) tin oxide made from step (3) is coated into activated dose of glass microballoon particle processing, then mixed with resin carrier, auxiliary agent
It closes, and the extruding pelletization in screw extruder, obtained LED lamp cover use up diffusion masterbatch；Activator is phosphoric acid propane diamine；Resin carries
Body is transparent polycarbonate；Auxiliary agent is silane coupling agent；Wherein, tin oxide cladding 36 parts by weight of glass microballoon particle, activation
3 parts by weight of agent, 53 parts by weight of resin carrier, 8 parts by weight of auxiliary agent.
Embodiment 4
Preparation process are as follows:
(1) tin tetrachloride is dissolved in alcohol solution, stirs evenly to form colloidal sol, is i.e. tin oxide precursor sol；Wherein, tetrachloro
Change 15 parts by weight of tin, 30 parts by weight of alcohol, 55 parts by weight of water；
(2) glass microballoon and surfactant cetyl trimethylammonium bromide are subjected to mixed processing in a high speed mixer,
Then it is added in tin oxide precursor sol made from step (1), stirs evenly, dispersion liquid is made；The temperature of mixed at high speed is
80 DEG C, revolving speed 150r/min, time 40min；Wherein, 20 parts by weight of glass microballoon, 2 weight of cetyl trimethylammonium bromide
Measure part, 78 parts by weight of tin oxide precursor sol；
(3) dispersion liquid made from step (2) is granulated by atomization, the particulate matter of collection is calcined in Muffle furnace, is made
Tin oxide coats glass microballoon particle；The temperature of calcining is 400 DEG C, time 6min；
(4) tin oxide made from step (3) is coated into activated dose of glass microballoon particle processing, then mixed with resin carrier, auxiliary agent
It closes, and the extruding pelletization in screw extruder, obtained LED lamp cover use up diffusion masterbatch；Activator is phosphoric acid propane diamine；Resin carries
Body is transparent polycarbonate；Auxiliary agent is zinc stearate stabilizer；Wherein, tin oxide cladding 20 parts by weight of glass microballoon particle,
2 parts by weight of activator, 75 parts by weight of resin carrier, 3 parts by weight of auxiliary agent.
Embodiment 5
Preparation process are as follows:
(1) tin tetrachloride is dissolved in alcohol solution, stirs evenly to form colloidal sol, is i.e. tin oxide precursor sol；Wherein, tetrachloro
Change 20 parts by weight of tin, 40 parts by weight of alcohol, 40 parts by weight of water；
(2) glass microballoon and surfactant cetyl trimethylammonium bromide are subjected to mixed processing in a high speed mixer,
Then it is added in tin oxide precursor sol made from step (1), stirs evenly, dispersion liquid is made；The temperature of mixed at high speed is
90 DEG C, revolving speed 200r/min, time 20min；Wherein, 30 parts by weight of glass microballoon, 5 weight of cetyl trimethylammonium bromide
Measure part, 65 parts by weight of tin oxide precursor sol；
(3) dispersion liquid made from step (2) is granulated by atomization, the particulate matter of collection is calcined in Muffle furnace, is made
Tin oxide coats glass microballoon particle；The temperature of calcining is 450 DEG C, time 3min；
(4) tin oxide made from step (3) is coated into activated dose of glass microballoon particle processing, then mixed with resin carrier, auxiliary agent
It closes, and the extruding pelletization in screw extruder, obtained LED lamp cover use up diffusion masterbatch；Activator is ammonium sulfate；Resin carrier is
Transparent polycarbonate；Auxiliary agent is antioxidant 1010；Wherein, tin oxide coats 40 parts by weight of glass microballoon particle, 3 weight of activator
Measure part, 47 parts by weight of resin carrier, 10 parts by weight of auxiliary agent.
Embodiment 6
Preparation process are as follows:
(1) tin tetrachloride is dissolved in alcohol solution, stirs evenly to form colloidal sol, is i.e. tin oxide precursor sol；Wherein, tetrachloro
Change 18 parts by weight of tin, 35 parts by weight of alcohol, 47 parts by weight of water；
(2) glass microballoon and surfactant cetyl trimethylammonium bromide are subjected to mixed processing in a high speed mixer,
Then it is added in tin oxide precursor sol made from step (1), stirs evenly, dispersion liquid is made；The temperature of mixed at high speed is
85 DEG C, revolving speed 180r/min, time 30min；Wherein, 25 parts by weight of glass microballoon, 4 weight of cetyl trimethylammonium bromide
Measure part, 71 parts by weight of tin oxide precursor sol；
(3) dispersion liquid made from step (2) is granulated by atomization, the particulate matter of collection is calcined in Muffle furnace, is made
Tin oxide coats glass microballoon particle；The temperature of calcining is 420 DEG C, time 4min；
(4) tin oxide made from step (3) is coated into activated dose of glass microballoon particle processing, then mixed with resin carrier, auxiliary agent
It closes, and the extruding pelletization in screw extruder, obtained LED lamp cover use up diffusion masterbatch；Activator is ferrous sulfate；Resin carrier
For transparent polycarbonate；Auxiliary agent is plasticizer polyethylene wax；Wherein, tin oxide coats 30 parts by weight of glass microballoon particle, work
2 parts by weight of agent, 62 parts by weight of resin carrier, 6 parts by weight of auxiliary agent.
Comparative example 1
Comparative example 1 does not coat glass microballoon using tin oxide, remaining is consistent with embodiment 6.
Optical diffusion plastic masterbatch made from embodiment 1-6, comparative example 1 and polycarbonate are prepared according to 1:8 mass ratio
It at having a size of 50mm × 50mm × 2mm sample, is tested according to GB/T 2410-2008, equipment uses Konica Minolta
CM-3600A spectral photometer, wave-length coverage are 400 ~ 740nm, measure the light transmittance and mist degree of sample.As shown in table 1.
Table 1:
Claims (10)
1. the preparation method that a kind of LED lamp cover uses up diffusion plastic matrix, which comprises the following steps:
(1) tin tetrachloride is dissolved in the aqueous solution of alcohol, stirs evenly to form colloidal sol to get tin oxide precursor sol；
(2) glass microballoon and surfactant cetyl trimethylammonium bromide are subjected to mixed processing in a high speed mixer,
Then it is added in tin oxide precursor sol made from step (1), stirs evenly, dispersion liquid is made；
(3) dispersion liquid made from step (2) is granulated by atomization, particulate matter is collected, by the particulate matter of collection in Muffle furnace
It is calcined, tin oxide is made and coats glass microballoon particle；
(4) by tin oxide made from step (3) coat activated dose of glass microballoon particle be activated after, then with resin carrier,
Auxiliary agent mixing, and the extruding pelletization in screw extruder, obtained LED lamp cover use up diffusion masterbatch.
2. a kind of LED lamp cover uses up the preparation method of diffusion plastic matrix according to claim 1, it is characterised in that: step
(1) each parts by weight of raw materials is in, 15 ~ 20 parts by weight of tin tetrachloride, 30 ~ 40 parts by weight of alcohol, 40 ~ 55 parts by weight of water.
3. a kind of LED lamp cover uses up the preparation method of diffusion plastic matrix according to claim 1, it is characterised in that: step
(2) temperature of the mixed processing is 80 ~ 90 DEG C, and revolving speed is 150 ~ 200r/min, and the time is 20 ~ 40min.
4. a kind of LED lamp cover uses up the preparation method of diffusion plastic matrix according to claim 1, it is characterised in that: step
(2) each parts by weight of raw materials is in, 20 ~ 30 parts by weight of glass microballoon, 2 ~ 5 parts by weight of cetyl trimethylammonium bromide, tin oxide
65 ~ 78 parts by weight of precursor sol.
5. a kind of LED lamp cover uses up the preparation method of diffusion plastic matrix according to claim 1, it is characterised in that: step
(3) temperature of the calcining is 400 ~ 450 DEG C, and the time is 3 ~ 6min.
6. a kind of LED lamp cover uses up the preparation method of diffusion plastic matrix according to claim 1, it is characterised in that: step
(4) activator is at least one of ethylenediamine phosphate, phosphoric acid propane diamine, ammonium sulfate, ammonium chloride, ferrous sulfate.
7. a kind of LED lamp cover uses up the preparation method of diffusion plastic matrix according to claim 1, it is characterised in that: step
(4) resin carrier is one of transparent polycarbonate, polymethyl methacrylate, polystyrene.
8. a kind of LED lamp cover uses up the preparation method of diffusion plastic matrix according to claim 1, it is characterised in that: step
(4) auxiliary agent includes but is not limited to plasticizer, antioxidant, reinforcing agent, fire retardant, toughener, lubricant, mould inhibitor, coloring
At least one of agent, coupling agent, stabilizer, antistatic agent.
9. a kind of LED lamp cover uses up the preparation method of diffusion plastic matrix according to claim 1, it is characterised in that: step
(4) each parts by weight of raw materials is in, and tin oxide coats 20 ~ 40 parts by weight of glass microballoon particle, 2 ~ 3 parts by weight of activator, resin and carries
47 ~ 75 parts by weight of body, 3 ~ 10 parts by weight of auxiliary agent.
10. a kind of LED lamp cover that any one of claim 1 ~ 9 preparation method is prepared uses up diffusion plastic matrix.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114773821A (en) * | 2022-03-31 | 2022-07-22 | 郑州圣莱特空心微珠新材料有限公司 | Formula and processing technology of high-light-transmission high-haze lampshade |
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2018
- 2018-09-21 CN CN201811104698.6A patent/CN109181266A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114773821A (en) * | 2022-03-31 | 2022-07-22 | 郑州圣莱特空心微珠新材料有限公司 | Formula and processing technology of high-light-transmission high-haze lampshade |
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Application publication date: 20190111 |
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