CN105037815A - Degradable plastic applicable to mobile phone shells and preparation method of degradable plastic - Google Patents
Degradable plastic applicable to mobile phone shells and preparation method of degradable plastic Download PDFInfo
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- CN105037815A CN105037815A CN201510355983.5A CN201510355983A CN105037815A CN 105037815 A CN105037815 A CN 105037815A CN 201510355983 A CN201510355983 A CN 201510355983A CN 105037815 A CN105037815 A CN 105037815A
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Abstract
The invention discloses degradable plastic applicable to mobile phone shells. The degradable plastic is characterized by comprising the following raw materials in parts by weight: 30-70 parts of corn starch, 10-40 parts of a biodegradation agent, 5-22 parts of ethylene and acrylic acid copolymers, 3-15 parts of polyvinyl alcohol, 5-16 parts of a flame retardant and 5-15 parts of an additive. The degradable plastic is a plastic product produced by utilizing the corn starch instead of a petroleum material, and the produced plastic product has a self-degradation function, so that environmental pollution is prevented; moreover, in a production process, the degradable plastic is starch plastic prepared by mixing such raw materials as the corn starch as well as the ethylene and acrylic acid copolymers, and the liquidity of the starch plastic is very high, so that the degradable plastic is very high in flexibility, oiling agent resistance, and heat sealability; according to a preparation method of the degradable plastic, various plant source dyes are added, so that the degradable plastic has a coloring function, and such plants have a certain anti-bacterial property.
Description
Technical field
The present invention relates to a kind of bio-degradable plastics, particularly relate to the coloured a kind of degradable plastics being applicable to mobile phone shell of a kind of tool.
Background technology
At present, plastics because its quality is light, intensity is high, the advantage such as stable chemical performance and cheapness and broad development in a lot of fields, but owing to still there is no appropriate treatment process with crossing the plastics such as plastics being used for mobile phone shell, generally all dispose as solid waste mostly, cause and form the pollutents such as acid rain in atmosphere, more and more serious to the pollution of physical environment, serious harm is caused to our life.
Summary of the invention
In order to solve traditional non-degradable plastic pollution environment, the problem of spoiled soil structure, the object of the present invention is to provide a kind of biological degradability good and application performance good be applicable to mobile phone shell biodegradable plastic.
The technical solution adopted for the present invention to solve the technical problems is: a kind of degradable plastics being applicable to mobile phone shell, it is characterized in that, comprise the raw material of following weight part: W-Gum 30 ~ 70 parts, biodegradation agent 10 ~ 40 parts, ethylene and acrylic acid copolymer 5 ~ 22 parts, polyvinyl alcohol 3 ~ 15 parts, fire retardant 5 ~ 16 parts and auxiliary agent 5 ~ 15 parts.
Preferably, described biodegradation agent is polyhydroxyalkanoate.
Preferably, also comprise vegetable dye, described vegetable dye weight part is 5 ~ 10 parts, described vegetable dye extracts from the plant can extracting pigment, and the described plant containing extracting pigment comprises: one or more plants in madder, Asian puccoon, bush, indigo, safflower, pomegranate, Chinese ilex, cape jasmine, turmeric, dye yam, Turkey-galls, purple perilla.
Preferably, the weight part of described each raw material is: W-Gum 45 parts, biodegradation agent 13 parts, ethylene and acrylic acid copolymer 10 parts, polyvinyl alcohol 8 parts, vegetable dye 8 parts, fire retardant 10 parts and auxiliary agent 6 parts.
Preferably, described fire retardant is phosphate type fire retardant, and described phosphate type fire retardant is the siliceous biphosphonate of polyaryl.
Preferably, described auxiliary agent comprises softening agent, lubricant, stablizer and oxidation inhibitor etc.
Be applicable to a preparation method for the degradable plastics of mobile phone shell, it is characterized in that, comprise the following steps:
(1) biodegradation agent, ethylene and acrylic acid copolymer, polyvinyl alcohol, fire retardant, auxiliary agent and water are added successively in high-speed mixer and stir 15 ~ 30 minutes, be mixed into uniform miscible body;
(2) W-Gum, ethylene and acrylic acid copolymer, polyvinyl alcohol, fire retardant, auxiliary agent and water are added successively in high-speed mixer and stir 15 ~ 30 minutes, be mixed into uniform miscible body;
(3), after miscible body step (1), (2) obtained by volume pump and weight-loss metering feeder and vegetable dye mixing, add in twin screw extruder, carry out mixing and extrude.
The beneficial effect that the present invention reaches: the plastics that a kind of degradable plastics being applicable to mobile phone shell of the present invention uses thermoplastic starch to produce, do not use petroleum, the plastics simultaneously produced can auto-degradation, can not to environment; Described a kind of degradable plastics production process for the blended obtained starch plastic of raw material, has good mobility, so plastics of the present invention have good flexibility, oil-proof composition and heat sealability with W-Gum, ethylene and acrylic acid copolymer; Described a kind of degradable plastics and preparation method thereof, by adding various plants source dyestuff, has painted effect, and these plants have certain germ resistance simultaneously.
Embodiment
The invention will be further described below.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
Be applicable to a degradable plastics for mobile phone shell, it is characterized in that, comprise the raw material of following weight part: W-Gum 30 ~ 70 parts, biodegradation agent 10 ~ 40 parts, ethylene and acrylic acid copolymer 5 ~ 22 parts, polyvinyl alcohol 3 ~ 15 parts, fire retardant 5 ~ 16 parts, vegetable dye 5 ~ 10 parts and auxiliary agent 5 ~ 15 parts, described biodegradation agent is polyhydroxyalkanoate, and described vegetable dye extracts from the plant can extracting pigment, and the described plant containing extracting pigment comprises: madder, Asian puccoon, bush, indigo, safflower, pomegranate, Chinese ilex, cape jasmine, turmeric, dye yam, Turkey-galls, one or more plants in purple perilla, the weight part of described each raw material is: W-Gum 45 parts, biodegradation agent 13 parts, ethylene and acrylic acid copolymer 10 parts, polyvinyl alcohol 8 parts, vegetable dye 8 parts, fire retardant 10 parts and auxiliary agent 6 parts, described fire retardant is phosphate type fire retardant, and described phosphate type fire retardant is the siliceous biphosphonate of polyaryl, and described auxiliary agent comprises softening agent, lubricant, stablizer and oxidation inhibitor etc.
Be applicable to a preparation method for the degradable plastics of mobile phone shell, it is characterized in that, comprise the following steps:
(1) biodegradation agent, ethylene and acrylic acid copolymer, polyvinyl alcohol, fire retardant, auxiliary agent and water are added successively in high-speed mixer and stir 15 ~ 30 minutes, be mixed into uniform miscible body;
(2) W-Gum, ethylene and acrylic acid copolymer, polyvinyl alcohol, fire retardant, auxiliary agent and water are added successively in high-speed mixer and stir 15 ~ 30 minutes, be mixed into uniform miscible body;
(3), after miscible body step (1), (2) obtained by volume pump and weight-loss metering feeder and vegetable dye mixing, add in twin screw extruder, carry out mixing and extrude.
The extracting method of described vegetable dye is: plant is cleaned, dry, pulverize after, under the condition of 20-50 DEG C, by the plant of having pulverized and organic solvent by 1: 50 ~ 200 solid-liquid ratio ultrasonic extraction 0.5-5h, suction filtration, filtrate is concentrated, dry, obtain powdered dye.
Embodiment 1: a kind of degradable plastics being applicable to mobile phone shell, the weight part of each raw material is: W-Gum 45 parts, biodegradation agent 13 parts, ethylene and acrylic acid copolymer 10 parts, polyvinyl alcohol 8 parts, vegetable dye 8 parts, fire retardant 10 parts and auxiliary agent 6 parts, described biodegradation agent is polyhydroxyalkanoate, described vegetable dye extracts from the plant can extracting pigment, described fire retardant is phosphate type fire retardant, described phosphate type fire retardant is the siliceous biphosphonate of polyaryl, described auxiliary agent comprises softening agent, lubricant, stablizer and oxidation inhibitor etc., described vegetable dye extracts from safflower, safflower is cleaned, dry, after pulverizing, under the condition of 30 DEG C, by the safflower pulverized and ethanol by 1: 60 solid-liquid ratio ultrasonic extraction 1h, suction filtration, filtrate is concentrated, dry, obtain powdered dye.
Be applicable to a preparation method for the degradable plastics of mobile phone shell, it is characterized in that, comprise the following steps:
(1) biodegradation agent, ethylene and acrylic acid copolymer, polyvinyl alcohol, fire retardant, auxiliary agent and water are added successively in high-speed mixer and stir 15 ~ 30 minutes, be mixed into uniform miscible body;
(2) W-Gum, ethylene and acrylic acid copolymer, polyvinyl alcohol, fire retardant, auxiliary agent and water are added successively in high-speed mixer and stir 15 ~ 30 minutes, be mixed into uniform miscible body;
(3), after miscible body step (1), (2) obtained by volume pump and weight-loss metering feeder and vegetable dye mixing, add in twin screw extruder, carry out mixing and extrude.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.
Claims (8)
1. be applicable to a degradable plastics for mobile phone shell, it is characterized in that, comprise the raw material of following weight part: W-Gum 30 ~ 70 parts, biodegradation agent 10 ~ 40 parts, ethylene and acrylic acid copolymer 5 ~ 22 parts, polyvinyl alcohol 3 ~ 15 parts, fire retardant 5 ~ 16 parts and auxiliary agent 5 ~ 15 parts.
2. a kind of degradable plastics being applicable to mobile phone shell according to claim 1, is characterized in that, described biodegradation agent is polyhydroxyalkanoate.
3. a kind of degradable plastics being applicable to mobile phone shell according to claim 1, is characterized in that, also comprise vegetable dye, and described vegetable dye weight part is 5 ~ 10 parts.
4. a kind of degradable plastics being applicable to mobile phone shell according to claim 3, it is characterized in that, described vegetable dye extracts from the plant can extracting pigment, and the described plant containing extracting pigment comprises: one or more plants in madder, Asian puccoon, bush, indigo, safflower, pomegranate, Chinese ilex, cape jasmine, turmeric, dye yam, Turkey-galls, purple perilla.
5. a kind of degradable plastics being applicable to mobile phone shell according to claim 3, it is characterized in that, the weight part of described each raw material is: W-Gum 45 parts, biodegradation agent 13 parts, ethylene and acrylic acid copolymer 10 parts, polyvinyl alcohol 8 parts, vegetable dye 8 parts, fire retardant 10 parts and auxiliary agent 6 parts.
6. a kind of degradable plastics being applicable to mobile phone shell according to claim 1, is characterized in that, described fire retardant is phosphate type fire retardant, and described phosphate type fire retardant is the siliceous biphosphonate of polyaryl.
7. a kind of degradable plastics being applicable to mobile phone shell according to claim 1, it is characterized in that, described auxiliary agent comprises softening agent, lubricant, stablizer and oxidation inhibitor etc.
8. be applicable to a preparation method for the degradable plastics of mobile phone shell, it is characterized in that, comprise the following steps:
(1) biodegradation agent, ethylene and acrylic acid copolymer, polyvinyl alcohol, fire retardant, auxiliary agent and water are added successively in high-speed mixer and stir 15 ~ 30 minutes, be mixed into uniform miscible body;
(2) W-Gum, ethylene and acrylic acid copolymer, polyvinyl alcohol, fire retardant, auxiliary agent and water are added successively in high-speed mixer and stir 15 ~ 30 minutes, be mixed into uniform miscible body;
(3), after miscible body step (1), (2) obtained by volume pump and weight-loss metering feeder and vegetable dye mixing, add in twin screw extruder, carry out mixing and extrude.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510355983.5A CN105037815A (en) | 2015-06-25 | 2015-06-25 | Degradable plastic applicable to mobile phone shells and preparation method of degradable plastic |
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| CN201510355983.5A CN105037815A (en) | 2015-06-25 | 2015-06-25 | Degradable plastic applicable to mobile phone shells and preparation method of degradable plastic |
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| CN105037815A true CN105037815A (en) | 2015-11-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106144192A (en) * | 2016-08-31 | 2016-11-23 | 曹蓉蓉 | The cylindrical plastic bottle cap of a kind of band soup ladle and manufacture the plastics of this bottle cap |
| CN106188640A (en) * | 2016-08-31 | 2016-12-07 | 曹俪馨 | A kind of sealed plastic bottle cap and manufacture the plastics of this bottle cap |
| CN113444349A (en) * | 2021-06-15 | 2021-09-28 | 上海乐亿塑料制品有限公司 | Green nontoxic packaging bag and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073457A (en) * | 1991-11-07 | 1993-06-23 | 诺瓦蒙特股份公司 | Produce the method for plasticised polyvinyl alcohol and be used to prepare the thermoplastic compounds of starch-based, biodegradable |
| CN1597751A (en) * | 2004-08-03 | 2005-03-23 | 王茜 | Raw material of fully bios degradation plastic and preparation process thereof |
-
2015
- 2015-06-25 CN CN201510355983.5A patent/CN105037815A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073457A (en) * | 1991-11-07 | 1993-06-23 | 诺瓦蒙特股份公司 | Produce the method for plasticised polyvinyl alcohol and be used to prepare the thermoplastic compounds of starch-based, biodegradable |
| CN1597751A (en) * | 2004-08-03 | 2005-03-23 | 王茜 | Raw material of fully bios degradation plastic and preparation process thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106144192A (en) * | 2016-08-31 | 2016-11-23 | 曹蓉蓉 | The cylindrical plastic bottle cap of a kind of band soup ladle and manufacture the plastics of this bottle cap |
| CN106188640A (en) * | 2016-08-31 | 2016-12-07 | 曹俪馨 | A kind of sealed plastic bottle cap and manufacture the plastics of this bottle cap |
| CN106188640B (en) * | 2016-08-31 | 2019-02-05 | 曹俪馨 | A kind of sealed plastic bottle cap and the plastics for manufacturing the bottle cap |
| CN113444349A (en) * | 2021-06-15 | 2021-09-28 | 上海乐亿塑料制品有限公司 | Green nontoxic packaging bag and preparation method thereof |
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