CN105885194A - Plastic bag prepared from modified sugarcane bagasse - Google Patents
Plastic bag prepared from modified sugarcane bagasse Download PDFInfo
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- CN105885194A CN105885194A CN201610366426.8A CN201610366426A CN105885194A CN 105885194 A CN105885194 A CN 105885194A CN 201610366426 A CN201610366426 A CN 201610366426A CN 105885194 A CN105885194 A CN 105885194A
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- plastic bag
- bagasse
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The invention discloses a plastic bag prepared from modified sugarcane bagasse. The plastic bag is prepared from linear low density polyethylene, the modified sugarcane bagasse, alpha-methylstyrene cyclic dimer, glycerol monostearate, starch, rosin, acrylamide, C9 petroleum resin, diethyl malonate and silicone glycol. According to the plastic bag prepared from the modified sugarcane bagasse, the sugarcane bagasse resources can be well utilized, the problem of poor compatibility of the sugarcane bagasse and plastic is solved, and the prepared plastic bag is greatly improved on the performance in all aspects and has the advantages of being low in energy consumption, small in pollution and low in protection cost. The longitudinal tensile strength of the plastic bag can reach 17.5 MPa, and the transverse tensile strength of the plastic bag can reach 16.4 MPa. The plastic bag is bright in gloss, good in transparency, high in bearing capability and capable of meeting the requirements of consumers for containing more articles and using repeatedly.
Description
Technical field
The present invention relates to plastic production field, particularly relate to plastic bag prepared by a kind of modified bagasse.
Background technology
Bagasse, as a kind of natural agricultural abandoned goods and materials source being widely present, has wide material sources, the feature such as inexpensive, renewable and pollution-free, and is increasingly favored in terms of macromolecular material with the biodegradable performance of its excellence.The topmost composition of bagasse is cellulose, next to that hemicellulose and lignin, wherein cellulose accounts for 40%～50%.Bagasse strand rigidity and polarity is the biggest and highly crystalline being orientated, and can give the higher modulus hot strength of composite and bending strength.But owing to there is stronger hydrogen bond action between bagasse hydroxyl, phenolic hydroxyl group, activity extreme difference so that its hydroxyl is more difficult has an effect with other atoms or group, directly affects the bagasse bonding with resin matrix, its material property being mixed with is the best, it is impossible to meet the demand preparing plastic bag.
Summary of the invention
It is an object of the invention to provide plastic bag prepared by a kind of modified bagasse.
Plastic bag prepared by a kind of modified bagasse, is made up of following component by weight: linear low density polyethylene 100, modified bagasse 8, α-methyl styrene cyclodimerization body 1, glyceryl monostearate 2, starch 8, Colophonium 4, acrylamide 2, C9 Petropols 1, diethyl malonate 1, silicon diol 0.5；
The preparation method of described modified bagasse is:
1) putting in ball mill by drying bagasse and abrasive media, be ground 8 minutes, temperature is maintained at 45-48 DEG C, and described abrasive media is the Kaolin being dried after mass concentration is 2.36% soaking with sodium hydroxide 30 minutes；
2) salicylic acid, ethanol, heptyl acetate being hybridly prepared into solution 1 by 5:30:1 mass ratio, then by through step 1) bagasse that processes adds in this solution 1, after stirring, stand 30 minutes, filter, be dried, again bagasse is added in the sodium carbonate liquor that mass concentration is 3.65%, it is heated to 90 DEG C, after being incubated 20 minutes, filters, washing, it is dried, described bagasse is 1:2 with the mass ratio of solution 1；
Described starch is corn starch, and described corn starch is through the microwave treatment 15s in advance of 450W；
Described starch, C9 Petropols, Colophonium and acrylamide process through premix: being mixed by starch, C9 Petropols, Colophonium and acrylamide rotating speed with 1200r/min in high-speed mixer, temperature of charge is adjusted to 64 DEG C, continues 30 minutes,.
The preparation method of plastic bag prepared by a kind of modified bagasse, including:
1) will linear low density polyethylene, α-methyl styrene cyclodimerization body, glyceryl monostearate, diethyl malonate, silicon diol high-speed mixer mix with the rotating speed of 500r/min, temperature of charge is adjusted to 64 DEG C, continue 15 minutes, add modified bagasse the most again, after stirring 10 minutes with 1000r/min speed, temperature of charge is adjusted to 68 DEG C, add the starch through premix process, Colophonium, acrylamide, C9 Petropols mixture, temperature of charge is adjusted to 72 DEG C, stirs 20 minutes with 1500r/min speed；
2) adding in single screw extrusion machine after pelletize by the mixture obtained, be placed in inflation film manufacturing machine, temperature is 128 DEG C, blown film, and bag obtains plastic bag.
The present invention by carrying out substantial amounts of experimentation and various modification to bagasse, find to use and first drying bagasse and treated Kaolin are put into ball mill process, again by salicylic acid, ethanol, heptyl acetate is hybridly prepared into solution by 5:30:1 mass ratio to be added to bagasse in solution and processes after 30 minutes, sodium carbonate liquor is used to process again, greatly improve the activity of bagasse, change physics and the chemical state on bagasse surface, not only increase its compatibility, also improve its flexible and toughness, thus, greatly improve the laterally and longitudinally tensile strength of the plastic bag made, toughness and bearing capacity.
The present invention is by processing treated starch, C9 Petropols, Colophonium and acrylamide through premix under given conditions, the mixture obtained, it is prevented from preparing crosslinking that in the plastic bag course of processing, heat ageing causes, prevents gelation, plastic bag heat stability, the non-oxidizability made can greatly be improved, the compatibility between itself and each composition can be improved, moreover it is possible to play the effect of plasticising；nullDuring thermoplastics processing，Resin high polymer is generally of higher viscosity after melting，Melted high polymer is passing through cast gate、During the passages such as slit，Polymer melt must produce friction with processing equipment surface，Also the friction that relative motion produces is had between the macromolecule of polymer，These frictions are the most unfavorable to the processing of polymer，Serious friction can make the plastic bag surface of preparation become coarse，Lack gloss or flow liner occurs，The present invention is by by treated starch、C9 Petropols、Colophonium and acrylamide process through premix under given conditions，The mixture obtained coordinates the synergism of α-methyl styrene cyclodimerization body，The mobility of solution can be improved，Reduce friction，Make the high polymer solution can preferably mold filling and the demoulding，Improve the glossiness on plastic bag product surface，Improve impact strength and the hot strength of plastic bag product.
The invention has the beneficial effects as follows, compared with prior art:
The present invention prepares plastic bag prepared by modified bagasse can not only well make use of bagasse resource, also solve the problem of incompatibility difference between bagasse and plastics, the plastic bag various aspects of performance making preparation has greatly raising, has that energy consumption is low, it is little to pollute, production cost is low feature；Plastic bag longitudinal tensile strength of the present invention can reach 17.5MPa, and transverse tensile strength can reach 16.4MPa；Plastic bag bright in color of the present invention, transparency is good, and weight capacity is high, can meet client's many dresses thing and the requirement of Reusability.
Detailed description of the invention
Plastic bag prepared by a kind of modified bagasse, is made up of following component by weight: linear low density polyethylene 100, modified bagasse 8, α-methyl styrene cyclodimerization body 1, glyceryl monostearate 2, starch 8, Colophonium 4, acrylamide 2, C9 Petropols 1, diethyl malonate 1, silicon diol 0.5；
The preparation method of described modified bagasse is:
1) putting in ball mill by drying bagasse and abrasive media, be ground 8 minutes, temperature is maintained at 45-48 DEG C, and described abrasive media is the Kaolin being dried after mass concentration is 2.36% soaking with sodium hydroxide 30 minutes；
2) salicylic acid, ethanol, heptyl acetate being hybridly prepared into solution 1 by 5:30:1 mass ratio, then by through step 1) bagasse that processes adds in this solution 1, after stirring, stand 30 minutes, filter, be dried, again bagasse is added in the sodium carbonate liquor that mass concentration is 3.65%, it is heated to 90 DEG C, after being incubated 20 minutes, filters, washing, it is dried, described bagasse is 1:2 with the mass ratio of solution 1；
Described starch is corn starch, and described corn starch is through the microwave treatment 15s in advance of 450W；
Described starch, C9 Petropols, Colophonium and acrylamide process through premix: being mixed by starch, C9 Petropols, Colophonium and acrylamide rotating speed with 1200r/min in high-speed mixer, temperature of charge is adjusted to 64 DEG C, continues 30 minutes,.
The preparation method of plastic bag prepared by a kind of modified bagasse, including:
1) will linear low density polyethylene, α-methyl styrene cyclodimerization body, glyceryl monostearate, diethyl malonate, silicon diol high-speed mixer mix with the rotating speed of 500r/min, temperature of charge is adjusted to 64 DEG C, continue 15 minutes, add modified bagasse the most again, after stirring 10 minutes with 1000r/min speed, temperature of charge is adjusted to 68 DEG C, add the starch through premix process, Colophonium, acrylamide, C9 Petropols mixture, temperature of charge is adjusted to 72 DEG C, stirs 20 minutes with 1500r/min speed；
2) adding in single screw extrusion machine after pelletize by the mixture obtained, be placed in inflation film manufacturing machine, temperature is 128 DEG C, blown film, and bag obtains plastic bag.
The present invention by carrying out substantial amounts of experimentation and various modification to bagasse, find to use and first drying bagasse and treated Kaolin are put into ball mill process, again by salicylic acid, ethanol, heptyl acetate is hybridly prepared into solution by 5:30:1 mass ratio to be added to bagasse in solution and processes after 30 minutes, sodium carbonate liquor is used to process again, greatly improve the activity of bagasse, change physics and the chemical state on bagasse surface, not only increase its compatibility, also improve its flexible and toughness, thus, greatly improve the laterally and longitudinally tensile strength of the plastic bag made, toughness and bearing capacity.
The present invention is by processing treated starch, C9 Petropols, Colophonium and acrylamide through premix under given conditions, the mixture obtained, it is prevented from preparing crosslinking that in the plastic bag course of processing, heat ageing causes, prevents gelation, plastic bag heat stability, the non-oxidizability made can greatly be improved, the compatibility between itself and each composition can be improved, moreover it is possible to play the effect of plasticising；nullDuring thermoplastics processing，Resin high polymer is generally of higher viscosity after melting，Melted high polymer is passing through cast gate、During the passages such as slit，Polymer melt must produce friction with processing equipment surface，Also the friction that relative motion produces is had between the macromolecule of polymer，These frictions are the most unfavorable to the processing of polymer，Serious friction can make the plastic bag surface of preparation become coarse，Lack gloss or flow liner occurs，The present invention is by by treated starch、C9 Petropols、Colophonium and acrylamide process through premix under given conditions，The mixture obtained coordinates the synergism of α-methyl styrene cyclodimerization body，The mobility of solution can be improved，Reduce friction，Make the high polymer solution can preferably mold filling and the demoulding，Improve the glossiness on plastic bag product surface，Improve impact strength and the hot strength of plastic bag product.
Claims (2)
1. the plastic bag that prepared by modified bagasse, is made up of following component by weight: linear low density polyethylene 100, modified bagasse 8, α-methyl styrene cyclodimerization body 1, glyceryl monostearate 2, starch 8, Colophonium 4, acrylamide 2, C9 Petropols 1, diethyl malonate 1, silicon diol 0.5；
The preparation method of described modified bagasse is:
1) putting in ball mill by drying bagasse and abrasive media, be ground 8 minutes, temperature is maintained at 45-48 DEG C, and described abrasive media is the Kaolin being dried after mass concentration is 2.36% soaking with sodium hydroxide 30 minutes；
2) salicylic acid, ethanol, heptyl acetate being hybridly prepared into solution 1 by 5:30:1 mass ratio, then by through step 1) bagasse that processes adds in this solution 1, after stirring, stand 30 minutes, filter, be dried, again bagasse is added in the sodium carbonate liquor that mass concentration is 3.65%, it is heated to 90 DEG C, after being incubated 20 minutes, filters, washing, it is dried, described bagasse is 1:2 with the mass ratio of solution 1；
Described starch is corn starch, and described corn starch is through the microwave treatment 15s in advance of 450W；
Described starch, C9 Petropols, Colophonium and acrylamide process through premix: being mixed by starch, C9 Petropols, Colophonium and acrylamide rotating speed with 1200r/min in high-speed mixer, temperature of charge is adjusted to 64 DEG C, continues 30 minutes,.
The preparation method of plastic bag prepared by a kind of modified bagasse the most according to claim 1, it is characterised in that including:
1) will linear low density polyethylene, α-methyl styrene cyclodimerization body, glyceryl monostearate, diethyl malonate, silicon diol high-speed mixer mix with the rotating speed of 500r/min, temperature of charge is adjusted to 64 DEG C, continue 15 minutes, add modified bagasse the most again, after stirring 10 minutes with 1000r/min speed, temperature of charge is adjusted to 68 DEG C, add the starch through premix process, Colophonium, acrylamide, C9 Petropols mixture, temperature of charge is adjusted to 72 DEG C, stirs 20 minutes with 1500r/min speed；
2) adding in single screw extrusion machine after pelletize by the mixture obtained, be placed in inflation film manufacturing machine, temperature is 128 DEG C, blown film, and bag obtains plastic bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610366426.8A CN105885194A (en) | 2016-05-30 | 2016-05-30 | Plastic bag prepared from modified sugarcane bagasse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610366426.8A CN105885194A (en) | 2016-05-30 | 2016-05-30 | Plastic bag prepared from modified sugarcane bagasse |
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| Publication Number | Publication Date |
|---|---|
| CN105885194A true CN105885194A (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610366426.8A Pending CN105885194A (en) | 2016-05-30 | 2016-05-30 | Plastic bag prepared from modified sugarcane bagasse |
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| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177048A (en) * | 2014-08-10 | 2014-12-03 | 安徽锦洋氟化学有限公司 | Method for modifying fluorgypsum by adopting modified maize straw fiber |
| CN104774493A (en) * | 2015-03-26 | 2015-07-15 | 安徽雅美油墨有限公司 | Low-cost environmental-protection ink mixed with bagasse |
| CN104817759A (en) * | 2015-04-17 | 2015-08-05 | 柳州蔚园塑料彩印包装有限责任公司 | Plastic packaging bag preparation method |
-
2016
- 2016-05-30 CN CN201610366426.8A patent/CN105885194A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177048A (en) * | 2014-08-10 | 2014-12-03 | 安徽锦洋氟化学有限公司 | Method for modifying fluorgypsum by adopting modified maize straw fiber |
| CN104774493A (en) * | 2015-03-26 | 2015-07-15 | 安徽雅美油墨有限公司 | Low-cost environmental-protection ink mixed with bagasse |
| CN104817759A (en) * | 2015-04-17 | 2015-08-05 | 柳州蔚园塑料彩印包装有限责任公司 | Plastic packaging bag preparation method |
Non-Patent Citations (1)
| Title |
|---|
| 陈晓浪 等: "改性处理对水稻秸秆纤维结构和性能的影响", 《功能材料》 * |
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Application publication date: 20160824 |
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