CN101717527A - Potato starch degradation plastic product - Google Patents
Potato starch degradation plastic product Download PDFInfo
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- CN101717527A CN101717527A CN200910216372A CN200910216372A CN101717527A CN 101717527 A CN101717527 A CN 101717527A CN 200910216372 A CN200910216372 A CN 200910216372A CN 200910216372 A CN200910216372 A CN 200910216372A CN 101717527 A CN101717527 A CN 101717527A
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- potato starch
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- starch degradation
- plastic product
- degradation
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- Compositions Of Macromolecular Compounds (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
The invention relates to a potato starch degradation plastic product which comprises the following ingredients by weight percent: 20%-40% of biological potato starch degradation master batch, 5%-10% of metallocene, 1%-3% of biological degradation accelerant, 0.1%-1% of photosensitizer, 1%-5% of PE wax, 30%-50% of LLDPE and 10%-20% of HDPE. By using the strength and the thermoplastic processing property of the biological starch master batch, the ingredients can be used for processing various kinds of film products, blow molding products and injection molding products in different adding amounts, and the products have strong degradation ability and wide range of application.
Description
Technical field
The present invention relates to a kind of employing degradable plastic product, specifically, relate to a kind of utilize that the pure natural potato starch makes plastics.
Background technology
Plastics as a kind of novel material, have just obtained flourishly from mid-term in 20th century, and present sustainable growth situation year by year.Now, plastics are in the every profession and trade of mankind's activity; Each field has obtained widespread use, and our daily life more and more is difficult to leave plastics.In the plastic industry development, plastic material has also run into two difficult problems: (1) resource-constrained.Macromolecular compounds such as plastics are mainly derived from oil, and oil is non-renewable resource, have presented the situation of petering out on the earth.(2) to the pollution of ecotope.At present, the output of world's plastics has reached 200,000,000 tons, and the output of China's plastics is also at annual about 2,000 ten thousand tons.Increasing plastics in use for some time, become the waste plastic goods.Because plastics are difficult to decompose, the plastics amount that secondary recycling utilizes is less than 50% of plastics turnout.Therefore, the waste plastic goods just form a large amount of rubbish, cause the serious environmental pollution problem, and threaten existent environment of people.
Plastics film and disposable plastic goods occupy significant proportion in plastic garbage.Because waste plastics film density is little, surface-area is big, difficult degrades, is difficult to recycle, floating in people's living environment, causes very big destruction, forms extremely significantly visual pollution to ecotope.At these difficult problems, the degredation plastic goods have been subjected to people and have more and more paid close attention to, have miscellaneous degradable plastic product in the market, but its starting material mostly adopt the W-Gum master batch, and corn carries out plastics-production in a large number and has caused huge waste as itself can be used as a kind of grain.
Summary of the invention
The present invention is directed to deficiencies such as difficult degradation that existing plastics exist, not environmental protection, a kind of novel plastic goods with high degradation capability that utilize natural potato starch master batch to go out as raw material production are provided.
Technical scheme of the present invention is: a kind of potato starch degradation plastic product, described plastics are made of following composition according to weight ratio: biological potato starch degradation masterbatch--and-20～40%, metallocene---5%～10%, biodegradation promotor---1%～3%, photosensitizers---0.1%～1%, PE wax---1%～5%, LLDPE---30～50%, HDPE---10%～20%.
When making the packing bag series products, constitute by following composition according to weight ratio: biological potato starch degradation masterbatch---20～30%, metallocene---5%～10%, biodegradation promotor---1%～3%, photosensitizers---0.1%～1%, PE wax---1%～5%, LLDPE---40%～50%, HDPE---10%～20%.
During film articles such as making mulch film, constitute by following composition according to weight ratio: biological potato starch degradation masterbatch---30%～40%, metallocene---5%～10%, biodegradation promotor---1%～3%, photosensitizers---0.1%～1%, PE wax---1%～5%, LLDPE---30%～40%, HDPE---10%～20%.
The invention has the beneficial effects as follows: starch is the main raw material of biological potato starch degradation plastics (masterbatch), is a kind of natural high molecular substance of the high polymerization degree.Polarity is very strong, generally accounts for the 70-80% of masterbatch total amount, also is one of material that has in the material strong degradation function.Usually select for use granularity less than 200-300 purpose potato starch, because they have higher amylose content, and also cheap, buy easily.In addition, its easy and polymkeric substance generation graft reaction, easy and properties-correcting agent generation esterification starch is extruded and is made native starch be transformed into a kind of plastic matrix with plastic properties by high rigidity, high-crystallinity by miniaturization, modification processing, reaction.Because this masterbatch has certain intensity and thermoplastic processability, can be used for the processing of various types of films goods, blow-molded article, injection-molded item with different additions.
Embodiment
First specific embodiment of the present invention, a kind of packing bag that utilizes biological potato starch degradation masterbatch to produce as starting material, constitute by following composition according to weight ratio: biological potato starch degradation masterbatch---20%, metallocene---5%, biodegradation promotor 3%, photosensitizers---1%, PE wax---5%, LLDPE---50%, HDPE---16%.
Second specific embodiment of the present invention, a kind of packing bag that utilizes biological potato starch degradation masterbatch to produce as starting material, constitute by following composition according to weight ratio: biological potato starch degradation masterbatch---30%, metallocene---10%, biodegradation promotor---1.5%, photosensitizers---0.5%, PE wax---1%, LLDPE---40%, HDPE---17%.
The 3rd specific embodiment of the present invention, a kind of mulch film that utilizes biological potato starch degradation masterbatch to produce as starting material, constitute by following composition according to weight ratio: biological potato starch degradation masterbatch---40%, metallocene---5%, biodegradation promotor---1%, photosensitizers---1%, PE wax---3%, LLDPE---30%, HDPE---20%.
The 4th specific embodiment of the present invention, a kind of mulch film that utilizes biological potato starch degradation masterbatch to produce as starting material, constitute by following composition according to weight ratio: biological potato starch degradation masterbatch---35%, metallocene---10%, biodegradation promotor---3%, photosensitizers---0.5%, PE wax---1.5%, LLDPE---40%, HDPE---10%.
During production, utilize blown film equipment to extrude, wherein technical parameter is set at
Claims (3)
1. potato starch degradation plastic product, it is characterized in that described plastics are made of following composition according to weight ratio: biological potato starch degradation masterbatch---20～40%, metallocene---5%～10%, biodegradation promotor---1%～3%, photosensitizers---0.1%～1%, PE wax---1%～5%, LLDPE---30～50%, HDPE---10%～20%.
2. potato starch degradation plastic product as claimed in claim 1, it is characterized in that described plastics are made of following composition according to weight ratio: biological potato starch degradation masterbatch---20～30%, metallocene---5%～10%, biodegradation promotor---1%～3%, photosensitizers---0.1%～1%, PE wax---1%～5%, LLDPE---40%～50%, HDPE---10%～20%.
3. potato starch degradation plastic product as claimed in claim 1, it is characterized in that described plastics are made of following composition according to weight ratio: biological potato starch degradation masterbatch---30%～40%, metallocene---5%～10%, biodegradation promotor---1%～3%, photosensitizers---0.1%～1%, PE wax---1%～5%, LLDPE---30%～40%, HDPE---10%～20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910216372A CN101717527A (en) | 2009-11-26 | 2009-11-26 | Potato starch degradation plastic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910216372A CN101717527A (en) | 2009-11-26 | 2009-11-26 | Potato starch degradation plastic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101717527A true CN101717527A (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910216372A Pending CN101717527A (en) | 2009-11-26 | 2009-11-26 | Potato starch degradation plastic product |
Country Status (1)
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| CN (1) | CN101717527A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756086A (en) * | 2013-12-18 | 2014-04-30 | 戴骏超 | Formula for recyclable kitchen garbage bag film and film blowing bag-making method |
| CN103756112A (en) * | 2013-12-18 | 2014-04-30 | 戴骏超 | Anti-stretching and crease resistant agricultural mulching film |
| CN104945682A (en) * | 2015-06-26 | 2015-09-30 | 苏州云舒新材料科技有限公司 | Thermoplastic starch based mulching film composite material and method for preparing the same |
| CN105713241A (en) * | 2016-04-15 | 2016-06-29 | 上海福助工业有限公司 | Biodegradable thermoplastic starch resin film and preparation method thereof |
-
2009
- 2009-11-26 CN CN200910216372A patent/CN101717527A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756086A (en) * | 2013-12-18 | 2014-04-30 | 戴骏超 | Formula for recyclable kitchen garbage bag film and film blowing bag-making method |
| CN103756112A (en) * | 2013-12-18 | 2014-04-30 | 戴骏超 | Anti-stretching and crease resistant agricultural mulching film |
| CN103756112B (en) * | 2013-12-18 | 2016-09-14 | 戴骏超 | A kind of stretch-proof agricultural film of resistance to wrinkle |
| CN104945682A (en) * | 2015-06-26 | 2015-09-30 | 苏州云舒新材料科技有限公司 | Thermoplastic starch based mulching film composite material and method for preparing the same |
| CN105713241A (en) * | 2016-04-15 | 2016-06-29 | 上海福助工业有限公司 | Biodegradable thermoplastic starch resin film and preparation method thereof |
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Open date: 20100602 |