CN104945681A - Degradable plastics and method for preparing the same - Google Patents
Degradable plastics and method for preparing the same Download PDFInfo
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- CN104945681A CN104945681A CN201510356031.5A CN201510356031A CN104945681A CN 104945681 A CN104945681 A CN 104945681A CN 201510356031 A CN201510356031 A CN 201510356031A CN 104945681 A CN104945681 A CN 104945681A
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Abstract
The invention discloses degradable plastics which are characterized by comprising, by weight parts, 30-70 parts of thermoplastic starch, 10-40 parts of biodegradation agents, 3-20 parts of plasticizer, 5-15 parts of lignin, 5-22 parts of ethylene and acrylic copolymer, 3-15 parts of polyvinyl alcohol and 5-10 parts of vegetable dye. According to the degradable plastics and a method for preparing the degradable plastics, no petroleum raw material is used for plastic products produced by the thermoplastic starch; and the produced plastic products can be degraded by itself and cause no pollution to the environment. The starch plastics are prepared from the starch and the ethylene and acrylic copolymer through blending in the process of producing the degradable plastics and have very good liquidity. The plastics have very good softness, oil resistance and heat sealing performances. According to the degradable plastics and the method for preparing the degradable plastics, various plant source dyes are added and have effects of coloring; and plants have a certain antibacterial property.
Description
Technical field
The present invention relates to a kind of bio-degradable plastics, particularly relate to the coloured bio-degradable plastics 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 the plastics crossed, 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 the biodegradable plastic that application performance is good.
The technical solution adopted for the present invention to solve the technical problems is: a kind of degradable plastics, it is characterized in that, comprise the raw material of following weight part: thermoplastic starch 30 ~ 70 parts, biodegradation agent 10 ~ 40 parts, 3 ~ 20 parts, softening agent, 5 ~ 15 parts, xylogen, ethylene and acrylic acid copolymer 5 ~ 22 parts, polyvinyl alcohol 3 ~ 15 parts, vegetable dye 5 ~ 10 parts.
Preferably, described thermoplastic starch comprises W-Gum, yam starch, sweet potato starch and tapioca (flour), and treated starch.
Preferably, described biodegradation agent is polyhydroxyalkanoate.
Preferably, 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: thermoplastic starch 45 parts, biodegradation agent 13 parts, 8 parts, softening agent, 8 parts, xylogen, ethylene and acrylic acid copolymer 10 parts, polyvinyl alcohol 8 parts, vegetable dye 8 parts.
A preparation method for degradable plastics, is characterized in that, comprises the following steps:
(1) biodegradation agent, softening agent, xylogen, ethylene and acrylic acid copolymer, polyethylene alcohol and water are added in high-speed mixer successively stir 15 ~ 30 minutes, be mixed into uniform miscible body;
(2) thermoplastic starch, softening agent, xylogen, ethylene and acrylic acid copolymer, polyethylene alcohol and water are added in high-speed mixer successively stir 15 ~ 30 minutes, be mixed into uniform miscible body;
(3) the miscible body obtained in step (1), (2) by volume pump and weight-loss metering feeder and vegetable dye 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 of the present invention and preparation method thereof 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 starch, 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.
A kind of degradable plastics, it is characterized in that, comprise the raw material of following weight part: thermoplastic starch 30 ~ 70 parts, biodegradation agent 10 ~ 40 parts, 3 ~ 20 parts, softening agent, 5 ~ 15 parts, xylogen, ethylene and acrylic acid copolymer 5 ~ 22 parts, polyvinyl alcohol 3 ~ 15 parts, vegetable dye 5 ~ 10 parts, described thermoplastic starch comprises W-Gum, yam starch, sweet potato starch and tapioca (flour), and treated starch, described biodegradation agent is polyhydroxyalkanoate, described vegetable dye extracts from the plant can extracting pigment, 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: thermoplastic starch 45 parts, biodegradation agent 13 parts, 8 parts, softening agent, 8 parts, xylogen, ethylene and acrylic acid copolymer 10 parts, polyvinyl alcohol 8 parts, vegetable dye 8 parts.
A preparation method for degradable plastics, is characterized in that, comprises the following steps:
(1) biodegradation agent, softening agent, xylogen, ethylene and acrylic acid copolymer, polyethylene alcohol and water are added in high-speed mixer successively stir 15 ~ 30 minutes, be mixed into uniform miscible body;
(2) thermoplastic starch, softening agent, xylogen, ethylene and acrylic acid copolymer, polyethylene alcohol and water are added in high-speed mixer successively stir 15 ~ 30 minutes, be mixed into uniform miscible body;
(3) the miscible body obtained in step (1), (2) by volume pump and weight-loss metering feeder and vegetable dye 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, the weight part of described each raw material is: thermoplastic starch 45 parts, biodegradation agent 13 parts, 8 parts, softening agent, 8 parts, xylogen, ethylene and acrylic acid copolymer 10 parts, polyvinyl alcohol 8 parts, vegetable dye 8 parts, described thermoplastic starch is W-Gum, described biodegradation agent is polyhydroxyalkanoate, 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: 100 solid-liquid ratio ultrasonic extraction 1h, suction filtration, filtrate is concentrated, dry, obtain powdered dye.
A preparation method for degradable plastic material formula, is characterized in that, comprises the following steps:
(1) biodegradation agent, softening agent, xylogen, ethylene and acrylic acid copolymer, polyethylene alcohol and water are added in high-speed mixer successively stir 15 ~ 30 minutes, be mixed into uniform miscible body;
(2) thermoplastic starch, softening agent, xylogen, ethylene and acrylic acid copolymer, polyethylene alcohol and water are added in high-speed mixer successively stir 15 ~ 30 minutes, be mixed into uniform miscible body;
(3) the miscible body obtained in step (1), (2) by volume pump and weight-loss metering feeder and vegetable dye 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 (6)
1. a degradable plastics, is characterized in that, comprises the raw material of following weight part: thermoplastic starch 30 ~ 70 parts, biodegradation agent 10 ~ 40 parts, 3 ~ 20 parts, softening agent, 5 ~ 15 parts, xylogen, ethylene and acrylic acid copolymer 5 ~ 22 parts, polyvinyl alcohol 3 ~ 15 parts, vegetable dye 5 ~ 10 parts.
2. a kind of degradable plastics according to claim 1, is characterized in that, described thermoplastic starch comprises W-Gum, yam starch, sweet potato starch and tapioca (flour), and treated starch.
3. a kind of degradable plastics according to claim 1, is characterized in that, described biodegradation agent is polyhydroxyalkanoate.
4. a kind of degradable plastics according to claim 1, 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 according to claim 1, is characterized in that, the weight part of described each raw material is: thermoplastic starch 45 parts, biodegradation agent 13 parts, 8 parts, softening agent, 8 parts, xylogen, ethylene and acrylic acid copolymer 10 parts, polyvinyl alcohol 8 parts, vegetable dye 8 parts.
6. a preparation method for degradable plastics, is characterized in that, comprises the following steps:
(1) biodegradation agent, softening agent, xylogen, ethylene and acrylic acid copolymer, polyethylene alcohol and water are added in high-speed mixer successively stir 15 ~ 30 minutes, be mixed into uniform miscible body;
(2) thermoplastic starch, softening agent, xylogen, ethylene and acrylic acid copolymer, polyethylene alcohol and water are added in high-speed mixer successively stir 15 ~ 30 minutes, be mixed into uniform miscible body;
(3) the miscible body obtained in step (1), (2) by volume pump and weight-loss metering feeder and vegetable dye add in twin screw extruder, carry out mixing and extrude.
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| CN201510356031.5A CN104945681A (en) | 2015-06-25 | 2015-06-25 | Degradable plastics and method for preparing the same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106496762A (en) * | 2016-11-23 | 2017-03-15 | 广西大学 | A kind of Degradable environment-friendlyplastic plastic and preparation method thereof |
| CN107383438A (en) * | 2017-08-24 | 2017-11-24 | 郭青华 | A kind of degradation plastic and preparation method thereof |
| CN110613163A (en) * | 2017-12-20 | 2019-12-27 | 南通大学 | Application of degraded acetate fiber containing composite photosensitive additive in cigarette filter tip |
| CN111635564A (en) * | 2020-05-28 | 2020-09-08 | 佛山市爱地球环保新材料科技有限公司 | Novel material capable of being dissolved after damp-heat sterilization for protective clothing and preparation method |
| CN111923546A (en) * | 2020-08-13 | 2020-11-13 | 安庆市芊芊纸业有限公司 | Environment-friendly degradable waterproof coating packaging paper and preparation method thereof |
| CN112898671A (en) * | 2021-04-25 | 2021-06-04 | 王玲 | Preparation method of degradable environment-friendly plastic lunch box |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN102702580A (en) * | 2012-07-06 | 2012-10-03 | 西南科技大学 | Full-biodegradable starch-base in-situ fiber reinforced composite material and preparation method thereof |
-
2015
- 2015-06-25 CN CN201510356031.5A patent/CN104945681A/en active Pending
Patent Citations (3)
| 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 |
| CN102702580A (en) * | 2012-07-06 | 2012-10-03 | 西南科技大学 | Full-biodegradable starch-base in-situ fiber reinforced composite material and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106496762A (en) * | 2016-11-23 | 2017-03-15 | 广西大学 | A kind of Degradable environment-friendlyplastic plastic and preparation method thereof |
| CN107383438A (en) * | 2017-08-24 | 2017-11-24 | 郭青华 | A kind of degradation plastic and preparation method thereof |
| CN110613163A (en) * | 2017-12-20 | 2019-12-27 | 南通大学 | Application of degraded acetate fiber containing composite photosensitive additive in cigarette filter tip |
| CN111635564A (en) * | 2020-05-28 | 2020-09-08 | 佛山市爱地球环保新材料科技有限公司 | Novel material capable of being dissolved after damp-heat sterilization for protective clothing and preparation method |
| CN111923546A (en) * | 2020-08-13 | 2020-11-13 | 安庆市芊芊纸业有限公司 | Environment-friendly degradable waterproof coating packaging paper and preparation method thereof |
| CN112898671A (en) * | 2021-04-25 | 2021-06-04 | 王玲 | Preparation method of degradable environment-friendly plastic lunch box |
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Application publication date: 20150930 |