CN109454958B - PETG-AS composite optical diffusion plate and preparation method thereof - Google Patents
PETG-AS composite optical diffusion plate and preparation method thereof Download PDFInfo
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- CN109454958B CN109454958B CN201811323536.1A CN201811323536A CN109454958B CN 109454958 B CN109454958 B CN 109454958B CN 201811323536 A CN201811323536 A CN 201811323536A CN 109454958 B CN109454958 B CN 109454958B
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- 238000009792 diffusion process Methods 0.000 title claims abstract description 65
- 230000003287 optical effect Effects 0.000 title claims abstract description 49
- 239000002131 composite material Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title description 8
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 47
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 43
- 239000003963 antioxidant agent Substances 0.000 claims description 23
- 230000003078 antioxidant effect Effects 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- 230000003712 anti-aging effect Effects 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 13
- 238000001125 extrusion Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 230000032683 aging Effects 0.000 claims description 9
- 238000003490 calendering Methods 0.000 claims description 6
- 229940126062 Compound A Drugs 0.000 claims description 5
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 3
- 235000006708 antioxidants Nutrition 0.000 description 19
- 239000012745 toughening agent Substances 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 238000013329 compounding Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 229920001893 acrylonitrile styrene Polymers 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000005338 frosted glass Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- -1 polyethylene terephthalate-1, 4-cyclohexanedimethanol Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
Abstract
The invention discloses a PETG-AS composite optical diffusion plate, which comprises the following components: PETG; an AS; sanding master batch; and (4) diffusing the master batch. According to the invention, the AS and the PETG are compounded, the frosted master batch and the diffusion master batch are added, the optical diffusion plate which is frosted, has a texture and is softer and more comfortable in light transmission is prepared, the AS has good temperature resistance, the PETG has outstanding toughness and high impact resistance, the plate is complemented by the AS and the PETG in performance, the obtained plate has good toughness, good impact resistance and good temperature resistance, the thermal deformation temperature of the plate reaches 85-95 ℃, the plate can be directly processed and molded into a lampshade with frosted texture, the forming is very easy, the process is simplified, the yield is improved, the frosted effect is good, the service life is long, and meanwhile, the AS and the PETG are nontoxic, environment-friendly and low in price, so that the manufacturing cost is saved, and the optical diffusion plate is environment-friendly, economical and practical.
Description
Technical Field
The invention relates to a PETG-AS composite optical diffusion plate and a preparation method thereof.
Background
The existing optical plate for manufacturing the lampshade generally has the problems of poor heat resistance and poor impact resistance, the lampshade is easily heated to deform due to the heat of a light source when the optical plate is used for a long time, the service life is prolonged, the optical plate is easily damaged by impact in the transportation process, and the problem is solved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a PETG-AS composite optical diffusion plate and a preparation method thereof.
The scheme of the invention is realized as follows:
the PETG-AS composite optical diffusion plate comprises the following components:
PETG
AS
frosted master batch
And (4) diffusing the master batch.
Further, the proportion of the PETG, AS, the sanding master batch and the diffusion master batch is AS follows:
further, the paint also comprises an antioxidant.
Further, the paint also comprises an aging resistant agent.
The composite board further comprises at least one layer of board A and at least one layer of board B, wherein the board A and the board B are arranged in an overlapping mode, the board A contains PETG and frosted master batch, and the board B contains AS and diffusion master batch.
Further, the plate comprises two plates with the layer A and one plate with the layer B, wherein the plate with the layer B is arranged between the two plates with the layer A.
A preparation method of a PETG-AS composite optical diffusion plate comprises the following steps:
automatically and uniformly mixing PETG, the frosted master batch, the antioxidant and the anti-aging agent according to a set proportion by a mixer to obtain a mixed material A;
automatically and uniformly mixing AS, the diffusion master batch, the antioxidant and the anti-aging agent according to a set proportion by a mixer to obtain a mixed material B;
melt-extruding the compound A through an extrusion device to form a layer A material;
melt-extruding the compound B through an extrusion device to form a layer B material;
and distributing and overlapping the material of the layer A and the material of the layer B through a distributor, and then calendering and molding through rolling equipment to obtain the PETG-AS composite optical diffusion plate.
The invention has the beneficial effects that:
according to the invention, the AS and the PETG are compounded, and the frosted master batch and the diffusion master batch are added, so that the optical diffusion plate which has frosted texture and is softer and more comfortable in light transmission is prepared, the AS has good temperature resistance, the PETG has outstanding toughness and high impact resistance, the plate is complemented by the performances of the AS and the PETG, the obtained plate has good toughness, good impact resistance and good temperature resistance, the plate can be directly processed and molded into a lampshade with frosted texture, the forming is very easy, the process is simplified, the yield is improved, the frosted effect is good, the service life is long, and meanwhile, the AS and the PETG are nontoxic and environment-friendly, and have low price, so that the manufacturing cost is saved, and the optical diffusion plate is environment-friendly, economical and practical.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The technical solution of the present invention will be further described below, and the present invention is not limited to the following specific embodiments.
The invention provides a PETG-AS composite optical diffusion plate which comprises the following components:
AS (acrylonitrile-styrene copolymer)
PETG (ethylene terephthalate-1, 4-cyclohexylenedimethylene terephthalate, polyethylene terephthalate-1, 4-cyclohexanedimethanol ester)
Frosted master batch
Diffusion masterbatch
That is, the PETG-AS composite optical diffusion plate provided by the invention is a composite plate of raw materials AS, PETG, frosted master batch and diffusion master batch.
The PETG-AS composite optical diffusion plate provided by the invention can be used for preparing an optical lampshade, has good optical characteristics, and the prepared optical lampshade has good frosted texture by adding the frosted master batch, so that the traditional process of sand blasting after the lampshade is formed is omitted, the process is simplified, meanwhile, the diffusion master batch is added, the scattering and the perspective of the plate to light are increased, and the comfortable light transmission effect is achieved.
Wherein, AS is obtained by polymerizing acrylonitrile and styrene AS raw materials by a suspension method, has large rigidity, excellent hardness, dimensional stability and higher bearing capacity, and has excellent high temperature resistance, the heat distortion temperature reaches 82-105 ℃, but the AS has poorer toughness, is brittle and easy to break, and the preparation of the optical plate by using the AS AS the raw material can not meet the requirement of forming a lampshade by plate molding in later processing, wherein, PETG has excellent mechanical property and processing performance, has outstanding toughness and high impact strength, the toughness is 15-20 times stronger than that of general PMMA, and is 5-10 times stronger than that of impact modified PMMA, the impact strength is 3-10 times of that of modified polyacrylate, and has very wide processing range, high mechanical strength and excellent flexibility, but the heat distortion temperature is lower (below 70 ℃), wherein, the frosted master batch has less use amount, the frosted glass has the characteristics of obvious and good texture, high cost performance and the like, and has good light transmission, and the light transmittance can reach 88-90 percent, wherein the master batch is diffused, so that the scattering and the transmission of light can be increased, a luminous source and a glaring light source are shielded, the emitted light can be more flexible, and the comfortable effect of light transmission and opaqueness is achieved. Therefore, in the invention, the AS and the PETG are compounded, and the frosted master batch and the diffusion master batch are added to prepare the optical diffusion plate which has frosted texture and is softer and more comfortable in light transmission, the AS has good temperature resistance, the PETG has outstanding toughness and high impact resistance, and the plate has good toughness, impact resistance and temperature resistance through the performance complementation of the AS and the PETG, wherein the thermal deformation temperature of the plate reaches 85-95 ℃, the plate can be directly processed and molded into a lampshade with frosted texture, and is easy to mold, the process is simplified, the yield is improved, the frosted effect is good, the service life is long, and meanwhile, the AS and the PETG are nontoxic, environment-friendly and low in price, so that the manufacturing cost is saved, and the optical diffusion plate is environment-friendly, economic and practical.
The prepared PETG-AS composite optical diffusion plate has excellent light transmission performance, frosted texture and light transmission, the light transmission rate can reach 88% -90% (only 2% -3% lower than that of a PMMA plate), but the PETG-AS composite optical diffusion plate has better tensile strength, bending strength and impact strength than the existing optical diffusion plate, and the comprehensive performance of the PETG-AS composite optical diffusion plate is better than that of the existing optical diffusion plate.
Specifically, the components of the plate further comprise an auxiliary agent such as an antioxidant and an aging resistant agent, wherein the antioxidant is used for delaying or inhibiting the polymer oxidation process, so as to prevent the aging of the polymer and prolong the service life of the polymer, for example, the antioxidant is an antioxidant DLTP, for example, the antioxidant 1076, for example, the antioxidant is a mixture of a plurality of antioxidants, wherein the aging resistant agent and the antioxidant are compounded for effectively slowing down the aging of the plastic, for example, the aging resistant agent is an ultraviolet absorbent, for example, an ultraviolet absorbent UV-P, so that the product can still keep the original transparency or color after being exposed to light and heat for a long time, and the product is a high-efficiency aging resistant agent.
The PETG-AS composite optical diffusion plate provided by the invention comprises at least one layer of plate A and at least one layer of plate B, wherein the layer of plate A and the layer of plate B are arranged in an overlapping manner, the layer of plate A contains PETG and frosted master batch, and the layer of plate B contains AS and diffusion master batch.
That is to say, the PETG-AS composite optical diffusion plate provided by the present invention may have various combination structures, in one embodiment, the plate is a double-layer structure, that is, the PETG-AS composite optical diffusion plate is a diffusion plate in which an a-layer plate and a B-layer plate are combined, and includes an a-layer plate and a B-layer plate, the a-layer plate and the B-layer plate are overlapped and are an AB structure or a BA structure, and in another embodiment, the plate is a triple-layer structure, that is, the PETG-AS composite optical diffusion plate is a diffusion plate in which two a-layer plates and a B-layer plate are combined, and includes two a-layer plates and one B-layer plate, and the B-layer plate is disposed between the two a-layer plates and is an ABA structure.
The PETG material and the frosted master batch are A-layer plate components, the AS material and the diffusion master batch are B-layer plate components, the refractive index of AS is the same AS that of PETG, the compatibility is excellent, the transparency of PETG and AS is very high, the frosted master batch enables the plate to form frosted texture, and meanwhile, the diffusion master batch has good light transmission, the diffusion master batch increases the scattering and transmission of light, shields a luminous source and a glaring light source, enables the emitted light to be softer and achieves the comfortable effect of light transmission and opaqueness, so that the PETG-AS composite optical diffusion plate which is formed by overlapping the A-layer plate and the B-layer plate and is made of the material of the A-layer plate different from the material of the B-layer plate can achieve very high light transmission, and has frosted texture and softer and more comfortable light transmission.
Further, in order to realize the preparation of the PETG-AS composite optical diffusion plate, the following components and proportions for preparing the PETG-AS composite optical diffusion plate are provided:
further, the anti-oxidant and the anti-aging agent are also included:
the invention also provides a preparation method of the PETG-AS composite optical diffusion plate, which comprises the following steps:
(1) automatically and uniformly mixing PETG, the frosted master batch, the antioxidant and the anti-aging agent according to a set proportion by a mixer to obtain a mixed material A;
(2) automatically and uniformly mixing AS, the diffusion master batch, the antioxidant and the anti-aging agent according to a set proportion by a mixer to obtain a mixed material B;
(3) melt-extruding the compound A through an extrusion device to form a layer A material;
(4) melt-extruding the compound B through an extrusion device to form a layer B material;
(5) and distributing and overlapping the material of the layer A and the material of the layer B through a distributor, and then calendering and molding through rolling equipment to obtain the PETG-AS composite optical diffusion plate.
And the PETG-AS composite optical diffusion plate is obtained by distributing and overlapping the material of the layer A and the material of the layer B through a distributor, distributing and overlapping the materials of the layer A and the layer B into structures such AS AB, BA or ABA, and the like, and calendering and compounding the structures through a three-roll calender.
It should be understood that, in order to improve the toughness of the whole board, in particular, the PETG, the sanding master batch, the antioxidant, the anti-aging agent and the toughening agent are mixed and are automatically and uniformly stirred by the compounder to obtain the compound a, so that the board of the layer a has better toughness and better uniformity. It is worth mentioning that the compatilizer and the toughening agent added in the embodiment are the compatilizer and the toughening agent which do not affect the transparency of the plate.
It should be understood that, in order to improve the toughness of the whole sheet material, in particular, AS, the diffusion master batch, the antioxidant, the anti-aging agent and the toughening agent are mixed and are automatically and uniformly stirred by the compounder to obtain the compound B, so that the sheet material with the layer B has better toughness and better uniformity. It is worth mentioning that the compatilizer and the toughening agent added in the embodiment are the compatilizer and the toughening agent which do not affect the transparency of the plate.
Further, in order to improve the adhesion between the plate material of the layer A and the plate material of the layer B and avoid the separation of the plate material of the layer A and the plate material of the layer B, specifically, a compatilizer is added into the compound material A and the compound material B to increase the adhesion, and the adhesion is better by increasing the compatibility between the plate material of the layer A and the plate material of the layer B to form a stable plate structure.
The invention is further described below with reference to examples.
Example 1
And (2) automatically and uniformly mixing 90 parts by weight of PETG, 2 parts by weight of frosted master batch, 0.5 part by weight of antioxidant and 0.2 part by weight of anti-aging agent by using a blender, thus obtaining a compound A.
And (3) automatically and uniformly mixing 90 parts by weight of AS, 2 parts by weight of diffusion master batch, 0.5 part by weight of antioxidant and 0.2 part by weight of anti-aging agent by using a mixer to obtain a compound B.
Compound a was melt extruded through an extrusion apparatus to form a layer a material.
Compound B was melt extruded through an extrusion apparatus to form a B layer material.
And (3) distributing and overlapping the layer A material and the layer B material into an ABA structure through a distributor, calendering and compounding through a three-roll calender, and cooling and curing to obtain the PETG-AS composite optical diffusion board.
Through tests, the PETG-AS composite optical diffusion board prepared by the embodiment has excellent light transmission performance, the light transmittance is 88%, the heat deformation temperature is up to 87 ℃, the frosted texture is good, the frosted effect is obvious, the notch impact strength is 780J/M, the bending strength is 127MPa, and the PETG-AS composite optical diffusion board has excellent bending strength and notch impact strength.
Example 2
And (2) automatically and uniformly mixing 10 parts by weight of PETG, 2 parts by weight of frosted master batch, 0.5 part by weight of antioxidant and 0.2 part by weight of anti-aging agent by using a blender, thus obtaining a compound A.
And (3) automatically and uniformly mixing 90 parts by weight of AS, 2 parts by weight of diffusion master batch, 0.5 part by weight of antioxidant and 0.2 part by weight of anti-aging agent by using a mixer to obtain a compound B.
Compound a was melt extruded through an extrusion apparatus to form a layer a material.
Compound B was melt extruded through an extrusion apparatus to form a B layer material.
And (3) distributing and overlapping the layer A material and the layer B material into an ABA structure through a distributor, calendering and compounding through a three-roll calender, and cooling and curing to obtain the PETG-AS composite optical diffusion board.
Through tests, the PETG-AS composite optical diffusion board prepared by the embodiment has excellent light transmission performance, the light transmittance reaches 89%, the heat deformation temperature reaches up to 95 ℃, the frosted texture is good, the frosted effect is obvious, the notch impact strength reaches 720J/M, the bending strength reaches 116MPa, and the PETG-AS composite optical diffusion board has excellent bending strength and notch impact strength.
Compared with the first embodiment, the heat distortion temperature of the plate prepared in the second embodiment is slightly higher than that of the first embodiment, but the toughness and the impact strength of the plate are not as good as those of the first embodiment. As AS has higher thermal deformation temperature and PETG has excellent toughness and impact strength, the sheets with different properties can be obtained by adjusting the proportion of AS and PETG in the formula (namely adjusting the thickness proportion of the A-layer sheet and the B-layer sheet of the sheet), and the adjustment is specifically carried out according to the production requirement. The above embodiments are two preferred embodiments provided by the present invention.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (3)
1. A PETG-AS composite optical diffusion plate is characterized by comprising: the composite plate comprises at least one layer A plate and at least one layer B plate, wherein the layer A plate and the layer B plate are arranged in an overlapping mode, the layer A plate contains PETG, frosted master batch, an antioxidant and an aging resistant agent, and the layer B plate contains AS, diffusion master batch, the antioxidant and the aging resistant agent;
the PETG, the AS, the frosted master batch and the diffusion master batch are mixed according to the following ratio:
PETG 10-90 weight portions
AS 10-90 parts by weight
1-45 parts of frosted master batch
0.05-9 parts of diffusion master batch.
2. The PETG-AS composite optical diffusion sheet of claim 1, comprising two of the A-layer sheets and one of the B-layer sheets, the B-layer sheet being disposed between the two A-layer sheets.
3. The method for preparing the PETG-AS composite optical diffusion plate AS claimed in claim 1, which comprises the following steps:
automatically and uniformly mixing PETG, the frosted master batch, the antioxidant and the anti-aging agent according to a set proportion by a mixer to obtain a mixed material A;
automatically and uniformly mixing AS, the diffusion master batch, the antioxidant and the anti-aging agent according to a set proportion by a mixer to obtain a mixed material B;
melt-extruding the compound A through an extrusion device to form a layer A material;
melt-extruding the compound B through an extrusion device to form a layer B material;
and distributing and overlapping the material of the layer A and the material of the layer B through a distributor, and then calendering and molding through rolling equipment to obtain the PETG-AS composite optical diffusion plate.
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| CN103073867B (en) * | 2012-12-28 | 2015-03-11 | 东莞市普凯塑料科技有限公司 | Light diffusion master batch for transparent plastics and preparation method thereof |
| CN103148438A (en) * | 2013-01-16 | 2013-06-12 | 张海峰 | Light-emitting/transmitting plastic lampshade and manufacture method thereof |
| CN203551808U (en) * | 2013-08-07 | 2014-04-16 | 东莞市鑫聚光电科技有限公司 | Lightweight light diffusion plate |
| CN104277434B (en) * | 2014-06-30 | 2016-08-17 | 厦门福鑫德进出口贸易有限公司 | A kind of nano combined silicon wafer LED diffuser plate and preparation method thereof |
| CN105153651A (en) * | 2015-07-20 | 2015-12-16 | 江苏民扬塑胶科技有限公司 | Optical-grade PETG high-transparency plate and preparation method therefor |
| CN105172307A (en) * | 2015-09-25 | 2015-12-23 | 深圳卡乐板实业有限公司 | Production technology of compound resin light-transmitting board |
| CN205878048U (en) * | 2015-12-31 | 2017-01-11 | 钟莉 | Dull polish lamp shade that optical property is good |
| CN205553449U (en) * | 2015-12-31 | 2016-09-07 | 钟莉 | Good dull polish plastics panel of dull polish effect |
| CN206726695U (en) * | 2017-04-26 | 2017-12-08 | 广州位连智能科技有限公司 | A kind of stereo-advertisement lamp box that can quickly assemble |
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2018
- 2018-11-08 CN CN201811323536.1A patent/CN109454958B/en active Active
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Denomination of invention: A PETG-AS composite optical diffusion plate and its preparation method Granted publication date: 20210423 Pledgee: China Construction Bank Corporation Huizhou Dayawan Branch Pledgor: HUIZHOU CITY BENNIAO XIANFEI OPTICAL MATERIALS Co.,Ltd. Registration number: Y2024440000002 |
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