CN110215043B - Processing technology of aluminum-plastic composite pipe for lipstick packaging - Google Patents
Processing technology of aluminum-plastic composite pipe for lipstick packaging Download PDFInfo
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- CN110215043B CN110215043B CN201910441529.XA CN201910441529A CN110215043B CN 110215043 B CN110215043 B CN 110215043B CN 201910441529 A CN201910441529 A CN 201910441529A CN 110215043 B CN110215043 B CN 110215043B
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/151—Coating hollow articles
- B29C48/152—Coating hollow articles the inner surfaces thereof
- B29C48/153—Coating both inner and outer surfaces
-
- 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
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
- A45D2040/0025—Details of lipstick or like casings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Cosmetics (AREA)
Abstract
The invention discloses a processing technology of an aluminum-plastic composite pipe for lipstick packaging, which relates to the technical field of aluminum-plastic composite material processing and comprises the following steps: (1) aluminum strip decontamination, (2) aluminum pipe processing, (3) plastic layer design, and (4) coextrusion compounding; according to the invention, the lipstick tube composed of the plastic inner layer, the aluminum tube and the plastic outer layer is prepared by co-extrusion compounding of the aluminum tube and the plastic layer, different appearance colors are given to the lipstick tube by selecting the pigment, the problem that the aluminum tube is directly used as the lipstick tube and a coating is formed on the aluminum tube by electrostatic spraying to give the lipstick tube the appearance colors is solved, the processing technology is simplified and the processing cost is reduced.
Description
The technical field is as follows:
the invention relates to the technical field of aluminum-plastic composite material processing, in particular to a processing technology of an aluminum-plastic composite pipe for lipstick packaging.
Background art:
lipstick is a kind of cosmetic for lip, and its main function is to give color tone to lips, emphasize or change the contour of two lips, and more show vitality and vitality. The lipstick tube is an important part of lipstick and is used to pack lipstick and prevent its quality change caused by long-term contact with air.
At present, lipstick tubes are mainly divided into full plastic lipstick tubes and aluminum-plastic composite tubes, and the aluminum-plastic composite tubes have the following advantages: high barrier property. The aluminum foil has excellent barrier properties such as light resistance, oxygen resistance and water resistance, can prevent external substances from entering the lipstick to enable the lipstick to be oxidized and deteriorated, and can prevent components such as water or glycerin in the lipstick from diffusing to the outside, so that the quality of the lipstick is effectively guaranteed. (2) The cost is low. In order to achieve the same physical properties such as barrier property, the aluminum-plastic composite pipe is less in material and low in cost compared with a full-plastic pipe, so that the economical efficiency is better. (3) By adjusting the structure and the process, the high-brightness effect can be achieved, and the method can be widely applied to the field of pipe-in-pipe.
The invention content is as follows:
the technical problem to be solved by the invention is to provide a processing technology of an aluminum-plastic composite pipe for lipstick packaging, wherein a lipstick pipe consisting of a plastic inner layer, an aluminum pipe and a plastic outer layer is prepared by co-extrusion compounding of the aluminum pipe and the plastic layer, and different appearance colors are given to the lipstick pipe by selecting pigments.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a processing technology of an aluminum-plastic composite pipe for lipstick packaging comprises the following steps:
(1) aluminum strip decontamination: carrying out decontamination treatment on the surface of the aluminum strip by using a cleaning agent, and drying in an air drying mode;
(2) processing an aluminum pipe: welding the aluminum strip into an aluminum pipe with uniform wall thickness by using an ultrasonic welding technology;
(3) designing a plastic layer: the plastic layer consists of a plastic inner layer and a plastic outer layer which are respectively formed on the inner wall and the outer wall of the aluminum pipe, and the plastic inner layer and the plastic outer layer are made of the following plastic particles;
the plastic particles are prepared by mixing and granulating polybutylene resin, polylactic acid, light calcium carbonate, oxidized polyethylene wax, pigment and antioxidant in a mass ratio of 55-75:10-20:5-15:1-10:0.5-5:0.5-5, and the plastic inner layer and the plastic outer layer are colored by the same or different pigments;
(4) co-extrusion compounding: adding the prepared plastic particles into an upper hopper of an extruder, introducing an aluminum pipe into a co-extrusion die, covering an inner extrusion plastic layer and an outer extrusion plastic layer on the aluminum pipe at the extrusion temperature of 220-.
The cleaning agent in the step (1) is alcohol with the volume concentration of 60-80%.
The air temperature of the air dried in the step (1) is 50-60 ℃.
And (4) mixing in the step (3) by adopting a double-helix conical mixer, wherein the revolution speed is 3.5r/min, and the rotation speed is 120 r/min.
In the step (3), a double-screw extrusion granulator is adopted for granulation, the rotating speed of a main machine is 450-: the first region is 180-.
The antioxidant in the step (3) is selected from one of antioxidant 168, antioxidant 1010, antioxidant 1076, antioxidant B215 and antioxidant B225.
The temperature of the cooling water cooled in the step (4) is 15-20 ℃.
The thickness of the plastic inner layer and the plastic outer layer in the step (4) is 10-50 μm.
In the invention, the polybutylene resin and the polylactic acid are used as resin processing raw materials of the plastic layer, and play a role in forming a plastic film; the light calcium carbonate is used as a filler and plays a role in enhancing the mechanical property of the plastic layer; the oxidized polyethylene wax is used as a dispersing agent and plays a role in promoting the uniform blending of the filler, the pigment and the resin; the antioxidant serves to impart oxidation resistance to the plastic layer.
In order to improve the enhancement effect of the oxidized polyethylene wax on the service performance of the plastic layer, the oxidized polyethylene wax is modified, and the hydroxyl contained in the oxidized polyethylene wax structure and the carboxyl contained in the polyaspartic acid structure are subjected to esterification reaction.
The oxidized polyethylene wax is modified by polyaspartic acid, and the specific modification method comprises the following steps: heating oxidized polyethylene wax to a melting point, preserving heat, adding polyaspartic acid and concentrated sulfuric acid after the oxidized polyethylene wax is completely converted into a molten state, continuously maintaining the temperature at the melting point of the oxidized polyethylene wax, stopping heating after the esterification reaction is finished, naturally cooling to room temperature, adding water for washing, filtering, drying the obtained filter residue at 60 ℃, and crushing into particles to obtain the modified oxidized polyethylene wax; the polyaspartic acid is acidified with hydrochloric acid to convert the sodium carboxylate to a carboxylic acid prior to use.
The mass ratio of the oxidized polyethylene wax to the polyaspartic acid is 10: 1-10.
In order to further improve the cleaning effect of the cleaning agent on the oil stain on the surface of the aluminum strip, the invention also prepares the cleaning agent by self, and the specific technical scheme is as follows:
the cleaning agent is lauric acid-nerolidol ester with the mass concentration of 5-20%.
The lauric acid-nerolidol esterified substance is prepared by taking lauric acid and nerolidol as reaction raw materials and carrying out esterification reaction under the catalysis of concentrated sulfuric acid, wherein the molar ratio of the lauric acid to the nerolidol is 1: 1-1.2.
Lauric acid and nerolidol are subjected to esterification reaction to generate a novel compound, the compound has good surface decontamination effect on metal products, and has strong use safety and environmental protection, and no corrosion effect on the metal products.
The invention has the beneficial effects that: according to the lipstick tube, the lipstick tube consisting of the plastic inner layer, the aluminum tube and the plastic outer layer is prepared through co-extrusion compounding of the aluminum tube and the plastic layer, different appearance colors are given to the lipstick tube through selection of the pigment, the problem that the aluminum tube is directly used as the lipstick tube and a coating is formed on the aluminum tube through electrostatic spraying to give the lipstick tube the appearance colors is solved, the processing technology is simplified, and the processing cost is reduced; meanwhile, the plastic inner layer and the plastic outer layer can also effectively prevent the lipstick from deteriorating or affecting the normal use effect due to the seepage of the components of the lipstick inside and the oxygen and moisture in the outside air entering the inside; and the prepared plastic inner layer and the plastic outer layer have good self wear resistance and corrosion resistance, and the appearance quality of the lipstick tube cannot be influenced by abrasion.
The specific implementation mode is as follows:
in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the following examples and comparative examples, BP2400 from Han Dalin was used as polybutene resin, PDLLA from Bo Li Bio-materials Ltd in Shenzhen city was used as polylactic acid, precipitated calcium carbonate from Mingdong ultra-fine powder Ltd was used as precipitated calcium carbonate having an average particle diameter of 1-3 μm, H108P from Qingdao Hao chemical Co Ltd was used as oxidized polyethylene wax, 3117 brilliant red from Shandong Yu hong New pigment Ltd was used as pigment, B225 from Pasv was used as antioxidant, and PASP from Hebei synergetic environmental protection science and technology Ltd was used as polyaspartic acid.
Example 1
Processing the aluminum-plastic composite pipe:
(1) aluminum strip decontamination: carrying out decontamination treatment on the surface of the aluminum strip by using a cleaning agent, wherein the cleaning agent selects alcohol with the volume concentration of 70-80%, and drying the aluminum strip in an air drying mode at the air temperature of 60 ℃;
(2) processing an aluminum pipe: welding the aluminum strip into an aluminum pipe with uniform wall thickness by using an ultrasonic welding technology;
(3) designing a plastic layer: the plastic layer consists of a plastic inner layer and a plastic outer layer which are respectively formed on the inner wall and the outer wall of the aluminum pipe, and the plastic inner layer and the plastic outer layer are made of the following plastic particles;
the plastic particles are prepared by mixing and granulating polybutylene resin, polylactic acid, light calcium carbonate, oxidized polyethylene wax, pigment and antioxidant in a mass ratio of 60:12:10:4:1:0.8, and the plastic inner layer and the plastic outer layer are colored by the same pigment;
(4) co-extrusion compounding: adding the prepared plastic particles into a feeding hopper of an extruder, introducing an aluminum pipe into a co-extrusion die, covering an extruded plastic inner layer and an extruded plastic outer layer on the aluminum pipe, wherein the thicknesses of the plastic inner layer and the plastic outer layer are both 35 mu m, the extrusion temperature is 225 ℃, and after extrusion, carrying out water cooling to obtain the aluminum-plastic composite pipe, wherein the cooling water temperature is 20 ℃.
In the step (3), a double-helix conical mixer is adopted for mixing materials, the revolution speed is 3.5r/min, and the rotation speed is 120 r/min; the granulation adopts a double-screw extrusion granulator, the rotating speed of a main machine is 450r/min, the pressure of a machine head is 20MPa, the vacuum degree of a charging barrel is-0.06 MPa, and the working temperature is as follows: first zone 187 ℃, second zone 192 ℃, third zone 195 ℃, fourth zone 198 ℃, fifth zone 206 ℃, sixth zone 224 ℃, seventh zone 225 ℃, eighth zone 213 ℃, ninth zone 218 ℃.
Example 2
By taking the example 1 as a contrast, the process operation is completely the same as that of the example 1 except that the example 2 with different dosage of the oxidized polyethylene wax is set.
The plastic particles are prepared by mixing and granulating polybutylene resin, polylactic acid, light calcium carbonate, oxidized polyethylene wax, pigment and antioxidant in a mass ratio of 60:12:10:5:1: 0.8.
Example 3
The procedure of example 3 was carried out in the same manner as in example 1 except that the modified oxidized polyethylene wax was used as a control in example 1.
Modification of oxidized polyethylene wax: heating 10g of oxidized polyethylene wax to a melting point, preserving heat, adding 3.2g of polyaspartic acid and 0.5g of concentrated sulfuric acid after the oxidized polyethylene wax is completely converted into a molten state, continuously maintaining the temperature at the melting point of the oxidized polyethylene wax, stopping heating after the esterification reaction is finished, naturally cooling to room temperature, adding 30g of water for washing, filtering, drying the obtained filter residue at 60 ℃, and crushing into particles to obtain the modified oxidized polyethylene wax; the polyaspartic acid is acidified with hydrochloric acid to convert the sodium carboxylate to a carboxylic acid prior to use.
Example 4
In comparison with example 1, example 4 was prepared by replacing alcohol with an equal amount of a cleanser made of lauric acid-nerolidol ester, and the rest of the process was identical to example 1.
Preparation of lauric acid-nerolidol esterified substance: adding 10g of lauric acid and 11g of nerolidol into 100g of methanol, adding 0.5g of concentrated sulfuric acid, heating to a reflux state, keeping the temperature and stirring for 3 hours, stopping heating, recovering the methanol through reduced pressure concentration, adding water to dissolve a concentrated residue, and freeze-drying to prepare powder. The prepared lauric acid-nerolidol esterified substance is dissolved by water to prepare the cleaning agent with the mass concentration of 10%.
Comparative example 1
The procedure of comparative example 1 was carried out in the same manner as in example 1 except that the oxidized polyethylene wax was not added as a control.
Comparative example 2
Using example 4 as a control, a control example 2 was set in which the lauric acid-nerolidol esterified substance was replaced with a mixture of equal amounts of lauric acid and nerolidol, and the rest of the process operation was exactly the same as in example 4.
The lipstick tubes prepared by the examples 1-4 and the comparative examples 1-2 were respectively processed, and the cleaning effect of the cleaning agent in the step (1) on the oil stain on the surface of the aluminum strip and the usability of the plastic outer layer prepared in the step (4) were tested, and the test results are shown in table 1.
The oil stain removal rate is calculated by the following formula (oil stain amount before decontamination-oil stain amount after decontamination)/oil stain amount before decontamination) multiplied by 100 percent in unit percent.
GB/T3960-2016 friction coefficient, Rtec friction wear tester.
GB/T1037-1988 water vapor transmission rate, temperature 23 +/-0.6 ℃, relative humidity 90 +/-2%, unit g/(m)2.24h)。
GB/T1038-3/(m2.24h.0.1MPa)。
TABLE 1
As can be seen from table 1, the lauric acid-nerolidol ester as the cleaning agent component can significantly improve the removal rate of the oil stain on the surface of the aluminum belt, and the modified oxidized polyethylene wax can effectively enhance the wear resistance, oxygen barrier property and water barrier property of the plastic layer.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A processing technology of an aluminum-plastic composite pipe for lipstick packaging is characterized in that: the method comprises the following steps:
(1) aluminum strip decontamination: carrying out decontamination treatment on the surface of the aluminum strip by using a cleaning agent, and drying in an air drying mode;
(2) processing an aluminum pipe: welding the aluminum strip into an aluminum pipe with uniform wall thickness by using an ultrasonic welding technology;
(3) designing a plastic layer: the plastic layer consists of a plastic inner layer and a plastic outer layer which are respectively formed on the inner wall and the outer wall of the aluminum pipe, and the plastic inner layer and the plastic outer layer are made of the following plastic particles;
the plastic particles are prepared by mixing and granulating polybutylene resin, polylactic acid, light calcium carbonate, oxidized polyethylene wax, pigment and antioxidant in a mass ratio of 55-75:10-20:5-15:1-10:0.5-5:0.5-5, and the plastic inner layer and the plastic outer layer are colored by the same or different pigments;
(4) co-extrusion compounding: adding the prepared plastic particles into a feeding hopper of an extruder, introducing an aluminum pipe into a co-extrusion die, covering an extrusion plastic inner layer and an extrusion plastic outer layer on the aluminum pipe at the extrusion temperature of 220-;
the oxidized polyethylene wax is modified by polyaspartic acid, and the specific modification method comprises the following steps: heating oxidized polyethylene wax to a melting point, preserving heat, adding polyaspartic acid and concentrated sulfuric acid after the oxidized polyethylene wax is completely converted into a molten state, continuously maintaining the temperature at the melting point of the oxidized polyethylene wax, stopping heating after the esterification reaction is finished, naturally cooling to room temperature, adding water for washing, filtering, drying the obtained filter residue at 60 ℃, and crushing into particles to obtain the modified oxidized polyethylene wax; the polyaspartic acid is acidified by hydrochloric acid to convert sodium carboxylate into carboxylic acid before use; the mass ratio of the oxidized polyethylene wax to the polyaspartic acid is 10: 1-10.
2. The processing technology of the aluminum-plastic composite pipe for lipstick packaging according to claim 1, characterized in that: the cleaning agent in the step (1) is alcohol with the volume concentration of 60-80%.
3. The processing technology of the aluminum-plastic composite pipe for lipstick packaging according to claim 1, characterized in that: the air temperature of the air dried in the step (1) is 50-60 ℃.
4. The processing technology of the aluminum-plastic composite pipe for lipstick packaging according to claim 1, characterized in that: and (4) mixing in the step (3) by adopting a double-helix conical mixer, wherein the revolution speed is 3.5r/min, and the rotation speed is 120 r/min.
5. The processing technology of the aluminum-plastic composite pipe for lipstick packaging according to claim 1, characterized in that: in the step (3), a double-screw extrusion granulator is adopted for granulation, the rotating speed of a main machine is 450-: the first region is 180-.
6. The processing technology of the aluminum-plastic composite pipe for lipstick packaging according to claim 1, characterized in that: the antioxidant in the step (3) is selected from one of antioxidant 168, antioxidant 1010, antioxidant 1076, antioxidant B215 and antioxidant B225.
7. The processing technology of the aluminum-plastic composite pipe for lipstick packaging according to claim 1, characterized in that: the temperature of the cooling water cooled in the step (4) is 15-20 ℃.
8. The processing technology of the aluminum-plastic composite pipe for lipstick packaging according to claim 1, characterized in that: the thickness of the plastic inner layer and the plastic outer layer in the step (4) is 10-50 μm.
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Denomination of invention: Processing technology of aluminum-plastic composite tube for lipstick packaging Effective date of registration: 20220812 Granted publication date: 20211130 Pledgee: Anhui Huaiyuan Rural Commercial Bank Co.,Ltd. Pledgor: ANHUI YUJIA ALUMINUM PLASTIC TECHNOLOGY Co.,Ltd. Registration number: Y2022980012452 |
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