CN114292457A - Ultraviolet-blocking plastic and preparation method thereof - Google Patents
Ultraviolet-blocking plastic and preparation method thereof Download PDFInfo
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- CN114292457A CN114292457A CN202111663800.8A CN202111663800A CN114292457A CN 114292457 A CN114292457 A CN 114292457A CN 202111663800 A CN202111663800 A CN 202111663800A CN 114292457 A CN114292457 A CN 114292457A
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- 229920003023 plastic Polymers 0.000 title claims abstract description 44
- 239000004033 plastic Substances 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 230000004888 barrier function Effects 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 30
- 229920005989 resin Polymers 0.000 claims abstract description 30
- 239000011347 resin Substances 0.000 claims abstract description 30
- 230000000903 blocking effect Effects 0.000 claims abstract description 27
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 20
- 239000011707 mineral Substances 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 20
- 239000002250 absorbent Substances 0.000 claims abstract description 19
- 230000002745 absorbent Effects 0.000 claims abstract description 19
- 239000000654 additive Substances 0.000 claims abstract description 13
- 230000000996 additive effect Effects 0.000 claims abstract description 12
- 239000000049 pigment Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000003963 antioxidant agent Substances 0.000 claims description 8
- 229920001903 high density polyethylene Polymers 0.000 claims description 8
- 239000004700 high-density polyethylene Substances 0.000 claims description 8
- 230000003078 antioxidant effect Effects 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 239000000314 lubricant Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 4
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 239000012964 benzotriazole Substances 0.000 claims description 3
- 125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 claims description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 238000004040 coloring Methods 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 229920006122 polyamide resin Polymers 0.000 claims description 2
- 229920005668 polycarbonate resin Polymers 0.000 claims description 2
- 239000004431 polycarbonate resin Substances 0.000 claims description 2
- 229920001225 polyester resin Polymers 0.000 claims description 2
- 239000004645 polyester resin Substances 0.000 claims description 2
- 229920005749 polyurethane resin Polymers 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002195 synergetic effect Effects 0.000 abstract description 4
- 238000013329 compounding Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 5
- UAUDZVJPLUQNMU-UHFFFAOYSA-N Erucasaeureamid Natural products CCCCCCCCC=CCCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-UHFFFAOYSA-N 0.000 description 4
- 239000006087 Silane Coupling Agent Substances 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical group CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- UJRDRFZCRQNLJM-UHFFFAOYSA-N methyl 3-[3-(benzotriazol-2-yl)-5-tert-butyl-4-hydroxyphenyl]propanoate Chemical compound CC(C)(C)C1=CC(CCC(=O)OC)=CC(N2N=C3C=CC=CC3=N2)=C1O UJRDRFZCRQNLJM-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- JLZIIHMTTRXXIN-UHFFFAOYSA-N 2-(2-hydroxy-4-methoxybenzoyl)benzoic acid Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1C(O)=O JLZIIHMTTRXXIN-UHFFFAOYSA-N 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention provides ultraviolet barrier plastic and a preparation method thereof, and relates to the technical field of plastic materials. The ultraviolet barrier plastic provided by the invention comprises the following preparation raw materials in parts by weight: 84-99.3 parts of a resin material; 0.1-3 parts of an ultraviolet absorbent; 0.2-2 parts of an additive; 0.3-1 part of pigment; 0.1-10 parts of mineral powder. According to the invention, the mineral powder and the ultraviolet absorbent are added into the resin material in a compounding manner, so that the effect of efficiently blocking ultraviolet can be achieved, and the ultraviolet blocking timeliness is improved through the synergistic effect of controlling the addition amount of each raw material. The example result shows that the UV blocking rate of the ultraviolet blocking plastic provided by the invention is more than 95%, and the ultraviolet blocking plastic still has excellent ultraviolet blocking effect after being irradiated by ultraviolet for two weeks.
Description
Technical Field
The invention relates to the technical field of plastic materials, in particular to ultraviolet-blocking plastic and a preparation method thereof.
Background
At present, ultraviolet blocking agents (such as ultraviolet absorption blocking materials produced by German basf and Japan) with blocking effect reaching 70 percent mainly achieve the purpose of absorbing ultraviolet rays by sacrificing effective structures, and the energy of the ultraviolet rays is higher, so that the structures of the materials are easy to damage. The ultraviolet barrier products on the market have the problems of narrow effective wave band and limited barrier effect, and the barrier effect of the material can be rapidly reduced along with the lengthening of the ultraviolet irradiation time, so that the ultraviolet barrier timeliness is reduced.
Disclosure of Invention
The invention aims to provide ultraviolet barrier plastic which is high in ultraviolet barrier rate and high in ultraviolet barrier timeliness.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides ultraviolet barrier plastic which comprises the following preparation raw materials in parts by weight:
preferably, the resin material includes a high-density polyethylene resin, a polyester resin, a polyamide resin, a polyurethane resin, a polypropylene resin, or a polycarbonate resin.
Preferably, the ultraviolet absorbent has an ultraviolet blocking rate of 40-70%.
Preferably, the ultraviolet absorbent is benzotriazole ultraviolet absorbent.
Preferably, the additives include one or more of antioxidants, compatibilizers, dispersants, and lubricants.
Preferably, the colorant is yellow.
Preferably, the particle size of the mineral powder is 400-1000 meshes.
Preferably, the mineral powder comprises TiO2、BaSO4、CaCO3Kaolin or SiO2。
The invention provides a preparation method of the ultraviolet barrier plastic, which comprises the following steps:
mixing a resin material, an ultraviolet absorbent, an additive, a pigment and mineral powder to obtain a premix;
and extruding the premix through an extruder to obtain the ultraviolet barrier plastic.
Preferably, the extruder is a twin screw extruder; the temperature of a charging barrel of the extruder is 110-150 ℃; the rotating speed of the screw is 300-400 r/min; the vacuum degree is 0.5-0.8 MPa.
The invention provides ultraviolet barrier plastic which comprises the following preparation raw materials in parts by weight: 84-99.3 parts of a resin material; 0.1-3 parts of an ultraviolet absorbent; 0.2-2 parts of an additive; 0.3-1 part of pigment; 0.1-10 parts of mineral powder. According to the invention, the mineral powder and the ultraviolet absorbent are added into the resin material in a compounding manner, so that the effect of efficiently blocking ultraviolet can be achieved, and the ultraviolet blocking timeliness is improved through the synergistic effect of controlling the addition amount of each raw material. The example result shows that the UV blocking rate of the ultraviolet blocking plastic provided by the invention is more than 95%, and the ultraviolet blocking plastic still has excellent ultraviolet blocking effect after being irradiated by ultraviolet for two weeks.
The ultraviolet barrier plastic provided by the invention can block ultraviolet light, protect semiconductor application parts, and protect ultraviolet sensitive and reactive materials from being damaged by the ultraviolet light to cause reaction.
Detailed Description
The invention provides ultraviolet barrier plastic which comprises the following preparation raw materials in parts by weight:
in the present invention, all the starting materials for the preparation are commercially available products known to those skilled in the art unless otherwise specified.
In the invention, the raw materials for preparing the ultraviolet barrier plastic comprise 84-99.3 parts by weight of resin materials, preferably 90-98 parts by weight. In the present invention, the resin material preferably includes a High Density Polyethylene (HDPE) resin, a Polyester (PET) resin, a Polyamide (PA) resin, a polyurethane (TPU) resin, a polypropylene (PP) resin, or a Polycarbonate (PC) resin, and more preferably, a HDPE resin.
In the invention, the raw materials for preparing the ultraviolet barrier plastic comprise 0.1-3 parts of ultraviolet absorbent, preferably 0.3-1 part, based on the weight parts of the resin material. In the invention, the ultraviolet blocking rate of the ultraviolet absorbent is preferably 40-70%, and more preferably 50-60%. In the invention, the ultraviolet absorbent is preferably benzotriazole ultraviolet absorbent, and particularly preferably Solvay Cyasorb UV3638F, CyatoteUV 400 or BASF TinUVin 1130.
In the invention, the raw materials for preparing the ultraviolet barrier plastic comprise 0.2-2 parts of additive, preferably 0.8-1.5 parts by weight of resin material. In the present invention, the additive preferably includes one or more of an antioxidant, a compatibilizer, a dispersant and a lubricant, and more preferably an antioxidant, a dispersant and a lubricant. In the present invention, the antioxidant is preferably an antioxidant 1010; the dispersing agent is preferably a silane coupling agent; the lubricant is preferably erucamide.
In the invention, the raw materials for preparing the ultraviolet barrier plastic comprise 0.3-1 part by weight of pigment, preferably 0.4-0.8 part by weight of pigment based on the weight part of the resin material. In the present invention, the coloring material is preferably a yellow coloring material; the pigment is preferably titanium yellow.
In the invention, the raw materials for preparing the ultraviolet barrier plastic comprise 0.1-10 parts of mineral powder, preferably 0.5-3 parts of mineral powder by weight of the resin material. In the invention, the granularity of the mineral powder is preferably 400-1000 meshes, and more preferably 600-800 meshes. In the present invention, the mineral powder preferably comprises TiO2、BaSO4、CaCO3Kaolin or SiO2. In the invention, the mineral powder has a shielding effect on ultraviolet rays, and the ultraviolet barrier property of the plastic can be obviously improved by compounding the mineral powder with an ultraviolet absorbent.
The invention also provides a preparation method of the ultraviolet barrier plastic, which comprises the following steps:
mixing a resin material, an ultraviolet absorbent, an additive, a pigment and mineral powder to obtain a premix;
and extruding the premix through an extruder to obtain the ultraviolet barrier plastic.
The invention mixes the resin material, the ultraviolet absorbent, the additive, the pigment and the mineral powder to obtain the premix. In the present invention, the mixing is preferably carried out in a high-speed stirrer; the mixing speed is preferably 100-200 r/min, and more preferably 120-170 r/min; the mixing time is preferably 2-10 min, and more preferably 4-6 min; the mixing temperature is preferably 30-80 ℃.
After the premix is obtained, the premix is extruded by an extruder to obtain the ultraviolet barrier plastic. In the present invention, the extruder is preferably a twin-screw extruder; the temperature of a cylinder of the extruder is preferably 110-170 ℃, and more preferably 150-160 ℃; the rotating speed of the screw is preferably 300-400 r/min; the vacuum degree is preferably 0.5-0.8 MPa.
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
According to the weight portion, 98 portions of HDPE resin, 0.3 portion of ultraviolet absorbent BASF TinUVin1130, 0.8 portion of additive (the concrete composition is antioxidant 10100.1 portions, silane coupling agent 0.3 portion, erucamide 0.4 portion), 0.4 portion of pigment titanium yellow and 0.5 portion of 600 mesh TiO2Mixing, adding all the materials into a high-speed stirrer, and stirring at the rotating speed of 150r/min for 5min to obtain a premix; and adding the premix into a double-screw extruder through a main feeding port for co-extrusion, wherein the temperature of a charging barrel of the double-screw extruder is 110-150 ℃, the rotating speed of a screw is 300-400 r/min, and the vacuum degree is 0.5-0.8 MPa, so as to obtain the ultraviolet barrier plastic.
Comparative example 1
According to the weight portion, 93.8 portions of HDPE resin, 0.8 portion of additive (the concrete composition is antioxidant 10100.1 portions, silane coupling agent 0.3 portion and erucamide 0.4 portion), 0.4 portion of pigment titanium yellow and 5 portions of 600-mesh TiO2Mixing, adding all the materials into a high-speed stirrer, and stirring at the rotating speed of 150r/min for 5min to obtain a premix; and adding the premix into a double-screw extruder through a main feeding port for co-extrusion, wherein the temperature of a charging barrel of the double-screw extruder is 110-150 ℃, the rotating speed of a screw is 300-400 r/min, and the vacuum degree is 0.5-0.8 MPa, so as to obtain the ultraviolet barrier plastic.
Comparative example 2
Mixing 96.8 parts of HDPE resin, 2 parts of ultraviolet absorbent BASF tinUVin1130, 0.8 part of additive (10100.1 parts of antioxidant, 0.3 part of silane coupling agent and 0.4 part of erucamide) and 0.4 part of pigment titanium yellow in parts by weight, adding the mixture into a high-speed mixer, and stirring for 5min at the rotating speed of 150r/min to obtain a premix; and adding the premix into a double-screw extruder through a main feeding port for co-extrusion, wherein the temperature of a charging barrel of the double-screw extruder is 110-150 ℃, the rotating speed of a screw is 300-400 r/min, and the vacuum degree is 0.5-0.8 MPa, so as to obtain the ultraviolet barrier plastic.
Test example
The ultraviolet blocking effect of the ultraviolet blocking plastics prepared in the example 1 and the comparative examples 1-2 is shown in the table 1; the uv blocking aging properties are shown in table 2.
TABLE 1 ultraviolet blocking Effect of ultraviolet blocking plastics prepared in example 1 and comparative examples 1 to 2
As can be seen from table 1, the ultraviolet transmittance of the ultraviolet blocking plastic prepared in example 1 is the lowest, which indicates that the ultraviolet blocking effect of the material can be greatly improved by adopting the synergistic effect of the ultraviolet absorbent and the mineral powder.
TABLE 2 UV-blocking aging results for example 1 and comparative examples 1-2
As can be seen from table 2, the ultraviolet transmittance of the ultraviolet blocking plastic prepared in example 1 is the lowest, and the ultraviolet blocking rate is still above 95% after two weeks of ultraviolet irradiation, which indicates that the ultraviolet blocking timeliness of the material can be significantly improved by adopting the synergistic effect of the ultraviolet absorber and the mineral powder.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An ultraviolet barrier plastic comprises the following preparation raw materials in parts by weight:
2. the ultraviolet-blocking plastic according to claim 1, wherein the resin material comprises a high-density polyethylene resin, a polyester resin, a polyamide resin, a polyurethane resin, a polypropylene resin, or a polycarbonate resin.
3. The ultraviolet-blocking plastic as claimed in claim 1, wherein the ultraviolet absorber has an ultraviolet blocking rate of 40 to 70%.
4. The ultraviolet-blocking plastic according to claim 1 or 3, wherein the ultraviolet absorber is a benzotriazole-based ultraviolet absorber.
5. The ultraviolet-blocking plastic of claim 1, wherein the additive comprises one or more of an antioxidant, a compatibilizer, a dispersant, and a lubricant.
6. The ultraviolet-blocking plastic material as claimed in claim 1, wherein said coloring material is yellow.
7. The ultraviolet-blocking plastic according to claim 1, wherein the mineral powder has a particle size of 400 to 1000 mesh.
8. The UV-blocking plastic according to claim 1 or 7, wherein the mineral powder comprises TiO2、BaSO4、CaCO3Kaolin or SiO2。
9. The method for preparing the ultraviolet barrier plastic of any one of claims 1 to 8, which comprises the following steps:
mixing a resin material, an ultraviolet absorbent, an additive, a pigment and mineral powder to obtain a premix;
and extruding the premix through an extruder to obtain the ultraviolet barrier plastic.
10. The method of manufacturing according to claim 9, wherein the extruder is a twin-screw extruder; the temperature of a charging barrel of the extruder is 110-150 ℃; the rotating speed of the screw is 300-400 r/min; the vacuum degree is 0.5-0.8 MPa.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111663800.8A CN114292457A (en) | 2021-12-31 | 2021-12-31 | Ultraviolet-blocking plastic and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111663800.8A CN114292457A (en) | 2021-12-31 | 2021-12-31 | Ultraviolet-blocking plastic and preparation method thereof |
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| CN114292457A true CN114292457A (en) | 2022-04-08 |
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| CN202111663800.8A Pending CN114292457A (en) | 2021-12-31 | 2021-12-31 | Ultraviolet-blocking plastic and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107652540A (en) * | 2017-09-25 | 2018-02-02 | 广东圆融新材料有限公司 | A kind of uvioresistant poly acrylic composite and its preparation method and application |
| CN110591242A (en) * | 2019-09-28 | 2019-12-20 | 武汉鑫恒顺科技有限公司 | HIPS semi-transparent highlight toughening weather-resistant color master batch |
| CN110835438A (en) * | 2019-12-03 | 2020-02-25 | 福建鑫邦新材料科技有限公司 | Uvioresistant EVA color master batch and preparation method thereof |
-
2021
- 2021-12-31 CN CN202111663800.8A patent/CN114292457A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107652540A (en) * | 2017-09-25 | 2018-02-02 | 广东圆融新材料有限公司 | A kind of uvioresistant poly acrylic composite and its preparation method and application |
| CN110591242A (en) * | 2019-09-28 | 2019-12-20 | 武汉鑫恒顺科技有限公司 | HIPS semi-transparent highlight toughening weather-resistant color master batch |
| CN110835438A (en) * | 2019-12-03 | 2020-02-25 | 福建鑫邦新材料科技有限公司 | Uvioresistant EVA color master batch and preparation method thereof |
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