CN112625337A - Processing technology of environment-friendly degradable plastic cup - Google Patents
Processing technology of environment-friendly degradable plastic cup Download PDFInfo
- Publication number
- CN112625337A CN112625337A CN202011355878.9A CN202011355878A CN112625337A CN 112625337 A CN112625337 A CN 112625337A CN 202011355878 A CN202011355878 A CN 202011355878A CN 112625337 A CN112625337 A CN 112625337A
- Authority
- CN
- China
- Prior art keywords
- plastic cup
- auxiliary agent
- environment
- processing technology
- friendly degradable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920006238 degradable plastic Polymers 0.000 title claims abstract description 20
- 238000005516 engineering process Methods 0.000 title claims abstract description 18
- 239000004033 plastic Substances 0.000 claims abstract description 38
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 24
- 230000004048 modification Effects 0.000 claims abstract description 18
- 238000012986 modification Methods 0.000 claims abstract description 18
- 239000004014 plasticizer Substances 0.000 claims abstract description 10
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 9
- 239000007822 coupling agent Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000049 pigment Substances 0.000 claims abstract description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 6
- 229920002261 Corn starch Polymers 0.000 claims abstract description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 6
- 239000011425 bamboo Substances 0.000 claims abstract description 6
- 239000008120 corn starch Substances 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 5
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims abstract description 4
- 240000003183 Manihot esculenta Species 0.000 claims abstract description 4
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 claims abstract description 4
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 4
- 229920002472 Starch Polymers 0.000 claims abstract description 4
- 235000019698 starch Nutrition 0.000 claims abstract description 4
- 239000008107 starch Substances 0.000 claims abstract description 4
- 244000082204 Phyllostachys viridis Species 0.000 claims abstract 2
- 238000001816 cooling Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 239000012760 heat stabilizer Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000011265 semifinished product Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 244000173853 Sanguisorba officinalis Species 0.000 claims description 4
- 235000008282 Sanguisorba officinalis Nutrition 0.000 claims description 4
- 240000004584 Tamarindus indica Species 0.000 claims description 4
- 235000004298 Tamarindus indica Nutrition 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- 238000001782 photodegradation Methods 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- -1 polysiloxane Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 239000012856 weighed raw material Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical group [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 abstract description 6
- 238000006731 degradation reaction Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 6
- 239000003086 colorant Substances 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 230000001568 sexual effect Effects 0.000 abstract 1
- 241001330002 Bambuseae Species 0.000 description 4
- 235000008291 Poterium sanguisorba Nutrition 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
Classifications
-
- 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
- C08L3/02—Starch; Degradation products thereof, e.g. dextrin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
Abstract
The processing technology of the environment-friendly degradable plastic cup is characterized by comprising the following steps: the plastic cup mainly comprises food-grade PP, a main material, edible pigment and a modification auxiliary agent, wherein 10-20 parts of edible PP and 15-18 parts of the main material are used as matrixes to achieve the purpose of degradability, the main material is corn starch, cassava starch or bamboo powder, the production cost is low, the supply is stable, 3-6 parts of the modification auxiliary agent and 0.1-1 part of the edible pigment can produce plastic cups with different colors, the market competitiveness of the plastic cup is enhanced, the sexual auxiliary agent comprises a plasticizer which is a citrate plasticizer to change the plasticity of the raw materials, so that the quality of the plastic cup is prevented from being influenced by the brittleness of the raw materials, the modification auxiliary agent also comprises a coupling agent which is a silane coupling agent, all the materials are coupled by the coupling agent to be tightly combined, the modification auxiliary agent also comprises a light degradation promoter to accelerate the degradation speed of the plastic cup, and the modification auxiliary agent also comprises an antibacterial agent, the antibacterial agent is a mixture of folium Tamarindi Indicae extract and radix Sangusorbae water extract.
Description
Technical Field
The invention relates to the technical field of plastic cup production, in particular to a processing technology of an environment-friendly degradable plastic cup.
Background
At present, the disposable plastic cup is widely applied to daily life of people, but has the problems of difficult degradation and serious white pollution, and people pay more and more attention to the environmental problem along with the improvement of environmental awareness of people, so that the problem that people must solve is to develop the degradable disposable plastic cup. Therefore, an environment-friendly degradable plastic cup processing technology is provided to produce the degradable plastic cup.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the processing technology of the environment-friendly degradable plastic cup, which adopts edible PP and corn starch or bamboo powder as matrixes, greatly improves the degradation speed of the plastic cup, is environment-friendly and can effectively solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the processing technology of the environment-friendly degradable plastic cup mainly comprises food-grade PP, a main material, an edible pigment and a modification auxiliary agent, wherein the plastic cup comprises the following components in parts by weight:
as a preferred technical scheme of the invention, the specific production flow is as follows:
step A, screening all the components, and then weighing the screened components in proportion;
b, then putting the proportioned and weighed raw materials into a high-speed stirrer, stirring and mixing, heating the interior of the high-speed stirrer in the stirring process, heating to a required temperature, and uniformly and fully mixing the components under the action of corresponding rotating speed to obtain a mixed material;
step C, putting the mixed material with a certain temperature into a cooling machine for cooling, and obtaining the treated mixed material after cooling to the required temperature;
step D, putting the cooled mixed material into a conical double-screw extruder, and extruding in a melt form to obtain a semi-molten plastic pipe blank;
step E, then placing the obtained semi-molten plastic pipe blank into a mold, immediately introducing compressed air into the pipe blank to expand the pipe blank so that the outer wall of the plastic pipe blank is tightly attached to the inner wall of the mold, and in the process, ensuring that the mold is at the required temperature;
f, immediately stopping heating the die, cooling the plastic pipe blank which is subjected to the inflation treatment and is tightly attached to the inner wall of the die, opening the upper die after cooling for a period of time, taking out the cup-shaped semi-finished product, and placing the semi-finished product in the air for natural cooling;
step G: and finally, cutting off redundant rim charge and rim burrs of the completely cooled semi-finished plastic cup, wherein in the cutting process, water is added to the semi-finished plastic cup for humidifying, and the finished plastic cup can be obtained after the operation is finished.
As a preferred technical scheme of the invention, the main material is one of corn starch, cassava starch or bamboo powder.
According to a preferable technical scheme of the invention, the modification auxiliary agent comprises a plasticizer, and the plasticizer is a citrate plasticizer.
As a preferable technical scheme of the invention, the modification auxiliary agent comprises a coupling agent, and the coupling agent is a silane coupling agent.
As a preferable technical scheme of the invention, the modification auxiliary agent comprises a photodegradation promoter.
As a preferable technical scheme of the invention, the modification auxiliary agent comprises an antibacterial agent, and the antibacterial agent is a mixture of tamarind leaf extract and sanguisorba officinalis water extract.
As a preferable technical scheme of the invention, the modification auxiliary agent comprises a leveling agent, and the leveling agent is polyether modified polysiloxane.
As a preferable technical scheme of the invention, the modification auxiliary agent comprises a heat stabilizer, and the heat stabilizer is zinc stearate.
Compared with the prior art, the invention has the beneficial effects that: according to the processing technology of the environment-friendly degradable plastic cup, the food-grade PP and the corn starch or the bamboo powder are used as the matrix, so that the degradation speed of the plastic cup is greatly improved, the environment is protected, food-grade pigments can be added, the degradable plastic cups with different colors can be produced, and the market competitiveness is improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
The invention provides a technical scheme that: a processing technology of an environment-friendly degradable plastic cup mainly comprises food-grade PP, a main material, an edible pigment and a modification auxiliary agent, wherein 10-20 parts of the edible PP and 15-18 parts of the main material are used as matrixes to achieve the purpose of degradation, the main material is one of corn starch, cassava starch or bamboo powder, the production cost is low, the supply is stable, 3-6 parts of the modification auxiliary agent and 0.1-1 part of the edible pigment are used for producing plastic cups with different colors, the market competitiveness of the plastic cups is enhanced, the modification auxiliary agent comprises a plasticizer, the plasticizer is a citrate plasticizer to change the plasticity of raw materials, so that the quality of the plastic cups is prevented from being influenced by the fact that the raw materials are too brittle, the modification auxiliary agent also comprises a coupling agent, the coupling agent is a silane coupling agent, all materials are coupled by the coupling agent to be tightly combined, the modification auxiliary agent also comprises a photodegradation promoter, the modified auxiliary agent also comprises an antibacterial agent, the antibacterial agent is a mixture of the tamarind leaf extracting solution and the garden burnet root water extract, the mixture of the tamarind leaf extracting solution and the garden burnet root water extract is used as the antibacterial agent, the modified auxiliary agent is nontoxic, the production process is environment-friendly, the antibacterial effect is good, the breeding of bacteria can be inhibited, the modified auxiliary agent also comprises a flatting agent, the flatting agent is polyether modified polysiloxane and is used for improving the flowability of raw materials, the modified auxiliary agent also comprises a heat stabilizer, and the heat stabilizer is zinc stearate and is used for improving the stability of the raw materials;
the production process of the plastic cup comprises the following steps:
step A, screening all the components, and then weighing the screened components in proportion;
b, then putting the proportioned and weighed raw materials into a high-speed stirrer, stirring and mixing, heating the interior of the high-speed stirrer in the stirring process, heating to a required temperature, and uniformly and fully mixing the components under the action of corresponding rotating speed to obtain a mixed material;
step C, putting the mixed material with a certain temperature into a cooling machine for cooling, and obtaining the treated mixed material after cooling to the required temperature;
step D, putting the cooled mixed material into a conical double-screw extruder, and extruding in a melt form to obtain a semi-molten plastic pipe blank;
step E, then placing the obtained semi-molten plastic pipe blank into a mold, immediately introducing compressed air into the pipe blank to expand the pipe blank so that the outer wall of the plastic pipe blank is tightly attached to the inner wall of the mold, and in the process, ensuring that the mold is at the required temperature;
f, immediately stopping heating the die, cooling the plastic pipe blank which is subjected to the inflation treatment and is tightly attached to the inner wall of the die, opening the upper die after cooling for a period of time, taking out the cup-shaped semi-finished product, and placing the semi-finished product in the air for natural cooling;
step G: and finally, cutting off redundant rim charge and rim burrs of the completely cooled semi-finished plastic cup, wherein in the cutting process, water is added to the semi-finished plastic cup for humidifying, and the finished plastic cup can be obtained after the operation is finished.
Claims (9)
1. The processing technology of the environment-friendly degradable plastic cup is characterized by comprising the following steps: the plastic cup mainly comprises food-grade PP, a main material, an edible pigment and a modification auxiliary agent, and the plastic cup comprises the following components in parts by weight:
2. the processing technology of the environment-friendly degradable plastic cup according to claim 1 is characterized by comprising the following specific processes:
step A, screening all the components, and then weighing the screened components in proportion;
b, then putting the proportioned and weighed raw materials into a high-speed stirrer, stirring and mixing, heating the interior of the high-speed stirrer in the stirring process, heating to a required temperature, and uniformly and fully mixing the components under the action of corresponding rotating speed to obtain a mixed material;
step C, putting the mixed material with a certain temperature into a cooling machine for cooling, and obtaining the treated mixed material after cooling to the required temperature;
step D, putting the cooled mixed material into a conical double-screw extruder, and extruding in a melt form to obtain a semi-molten plastic pipe blank;
step E, then placing the obtained semi-molten plastic pipe blank into a mold, immediately introducing compressed air into the pipe blank to expand the pipe blank so that the outer wall of the plastic pipe blank is tightly attached to the inner wall of the mold, and in the process, ensuring that the mold is at the required temperature;
f, immediately stopping heating the die, cooling the plastic pipe blank which is subjected to the inflation treatment and is tightly attached to the inner wall of the die, opening the upper die after cooling for a period of time, taking out the cup-shaped semi-finished product, and placing the semi-finished product in the air for natural cooling;
step G: and finally, cutting off redundant rim charge and rim burrs of the completely cooled semi-finished plastic cup, wherein in the cutting process, water is added to the semi-finished plastic cup for humidifying, and the finished plastic cup can be obtained after the operation is finished.
3. The processing technology of the environment-friendly degradable plastic cup according to claim 1, characterized in that: the main material is one of corn starch, cassava starch or bamboo powder.
4. The processing technology of the environment-friendly degradable plastic cup according to claim 1, characterized in that: the modifying auxiliary agent comprises a plasticizer which is a citrate plasticizer.
5. The processing technology of the environment-friendly degradable plastic cup according to claim 1, characterized in that: the modifying auxiliary agent comprises a coupling agent, and the coupling agent is a silane coupling agent.
6. The processing technology of the environment-friendly degradable plastic cup according to claim 1, characterized in that: the modifying auxiliary agent comprises a photodegradation promoter.
7. The processing technology of the environment-friendly degradable plastic cup according to claim 1, characterized in that: the modifying auxiliary agent comprises an antibacterial agent, and the antibacterial agent is a mixture of tamarind leaf extract and sanguisorba officinalis water extract.
8. The processing technology of the environment-friendly degradable plastic cup according to claim 1, characterized in that: the modifying auxiliary agent comprises a leveling agent, and the leveling agent is polyether modified polysiloxane.
9. The processing technology of the environment-friendly degradable plastic cup according to claim 1, characterized in that: the modifying auxiliary agent comprises a heat stabilizer, and the heat stabilizer is zinc stearate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011355878.9A CN112625337A (en) | 2020-11-27 | 2020-11-27 | Processing technology of environment-friendly degradable plastic cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011355878.9A CN112625337A (en) | 2020-11-27 | 2020-11-27 | Processing technology of environment-friendly degradable plastic cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112625337A true CN112625337A (en) | 2021-04-09 |
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ID=75306433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011355878.9A Pending CN112625337A (en) | 2020-11-27 | 2020-11-27 | Processing technology of environment-friendly degradable plastic cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112625337A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113372650A (en) * | 2021-07-05 | 2021-09-10 | 山东小麦歌环保科技有限公司 | Antibacterial environment-friendly food packaging box and preparation process thereof |
| CN113583342A (en) * | 2021-08-05 | 2021-11-02 | 山东小麦歌环保科技有限公司 | Food packaging material and preparation method thereof |
-
2020
- 2020-11-27 CN CN202011355878.9A patent/CN112625337A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113372650A (en) * | 2021-07-05 | 2021-09-10 | 山东小麦歌环保科技有限公司 | Antibacterial environment-friendly food packaging box and preparation process thereof |
| CN113583342A (en) * | 2021-08-05 | 2021-11-02 | 山东小麦歌环保科技有限公司 | Food packaging material and preparation method thereof |
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