CN112500636A - Formula of emulsion pump head and preparation method thereof - Google Patents
Formula of emulsion pump head and preparation method thereof Download PDFInfo
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- CN112500636A CN112500636A CN202011360774.7A CN202011360774A CN112500636A CN 112500636 A CN112500636 A CN 112500636A CN 202011360774 A CN202011360774 A CN 202011360774A CN 112500636 A CN112500636 A CN 112500636A
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- pump head
- emulsion pump
- antibacterial agent
- ethanol
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- 239000000839 emulsion Substances 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 92
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 56
- 239000002131 composite material Substances 0.000 claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 239000011787 zinc oxide Substances 0.000 claims abstract description 29
- 239000004014 plasticizer Substances 0.000 claims abstract description 23
- 239000004743 Polypropylene Substances 0.000 claims abstract description 21
- HCJLVWUMMKIQIM-UHFFFAOYSA-M sodium;2,3,4,5,6-pentachlorophenolate Chemical compound [Na+].[O-]C1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl HCJLVWUMMKIQIM-UHFFFAOYSA-M 0.000 claims abstract description 20
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 19
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 19
- 239000000314 lubricant Substances 0.000 claims abstract description 19
- 239000003381 stabilizer Substances 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims abstract description 17
- -1 polypropylene Polymers 0.000 claims abstract description 16
- 229920001155 polypropylene Polymers 0.000 claims abstract description 16
- 239000011347 resin Substances 0.000 claims abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 16
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 12
- 238000001746 injection moulding Methods 0.000 claims abstract description 10
- 238000002844 melting Methods 0.000 claims abstract description 10
- 230000008018 melting Effects 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims abstract description 3
- 150000001875 compounds Chemical class 0.000 claims abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 92
- 238000003756 stirring Methods 0.000 claims description 26
- 238000001035 drying Methods 0.000 claims description 14
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000009472 formulation Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 238000009210 therapy by ultrasound Methods 0.000 claims description 7
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 6
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- LUZSPGQEISANPO-UHFFFAOYSA-N butyltin Chemical compound CCCC[Sn] LUZSPGQEISANPO-UHFFFAOYSA-N 0.000 claims description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 2
- 239000008116 calcium stearate Substances 0.000 claims description 2
- 235000013539 calcium stearate Nutrition 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000001376 precipitating effect Effects 0.000 claims description 2
- 239000007800 oxidant agent Substances 0.000 claims 1
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 19
- 238000012545 processing Methods 0.000 abstract description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 description 24
- 229920003023 plastic Polymers 0.000 description 24
- 238000005303 weighing Methods 0.000 description 22
- 230000000052 comparative effect Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- 239000002244 precipitate Substances 0.000 description 10
- 238000001816 cooling Methods 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000011056 performance test Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000003674 animal food additive Substances 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000004714 phosphonium salts Chemical group 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical group 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
- 239000002453 shampoo Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/136—Phenols containing halogens
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/56—Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
- C08K5/57—Organo-tin compounds
- C08K5/58—Organo-tin compounds containing sulfur
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The application relates to the technical field of packaging processing, and particularly discloses a formula of an emulsion pump head and a preparation method thereof; the formula of the emulsion pump head comprises the following raw materials in parts by weight: 80-100 parts of polypropylene resin; 1-3 parts of an antioxidant; 1-5 parts of a composite antibacterial agent; 0.5-2 parts of a plasticizer; 0.1-0.5 part of lubricant; 1-3 parts of a stabilizer; the compound antibacterial agent is prepared by coating a silane coupling agent on the surface of zinc oxide and then grafting sodium pentachlorophenate. The preparation method comprises the following steps: the preparation method comprises the following steps of uniformly mixing polypropylene resin, an antioxidant, a composite antibacterial agent, a plasticizer, a lubricant and a stabilizer to obtain a material d; heating the material d to 180-200 ℃, melting, extruding and granulating to obtain a material e; and heating the material e to 170-190 ℃, and performing injection molding to obtain the emulsion pump head. The emulsion pump head prepared by the preparation method has good antibacterial performance.
Description
Technical Field
The application relates to the technical field of packaging bottle processing, in particular to a formula of an emulsion pump head and a preparation method thereof.
Background
The development of polypropylene industry, PP has advantages of high chemical stability, good heat resistance, easy processing, safety, environmental protection, low price and the like, and the PP has more and more extensive coverage in people's life. In general, a pump head is attached to a bottle opening of a bottle for containing shampoo or cosmetics, and the lotion in the bottle is taken out by pressing. Bacteria are easy to breed at the outlet of the pump head of the emulsion made of PP plastic, and when the pump head is pressed to extrude the emulsion, the bacteria contact the scalp or the face and invade the surface of the skin to cause adverse effects.
In the related art, a quaternary phosphonium salt group or a quaternary ammonium salt group having antibacterial properties has been added to a PP material to impart antibacterial properties to the PP material.
In view of the above-mentioned related art, the inventors considered that the antibacterial property of the emulsion pump head is improved by adding only a single antibacterial agent, and the antibacterial property is limited.
Disclosure of Invention
In order to improve the antibacterial effect of the emulsion pump head, the application provides a formula of the emulsion pump head and a preparation method thereof.
The formula and the preparation method of the emulsion pump head provided by the application adopt the following technical scheme:
in a first aspect, the present application provides a formulation for an emulsion pump head, using the following technical scheme:
the formula of the emulsion pump head comprises the following raw materials in parts by weight:
80-100 parts of polypropylene resin;
1-3 parts of an antioxidant;
1-5 parts of a composite antibacterial agent;
0.5-2 parts of a plasticizer;
0.1-0.5 part of lubricant;
1-3 parts of a stabilizer;
the compound antibacterial agent is prepared by coating a silane coupling agent on the surface of zinc oxide and then grafting sodium pentachlorophenate.
By adopting the technical scheme, the composite antibacterial agent is added into the formula, the composite antibacterial agent combines the advantages of the inorganic antibacterial agent and the natural antibacterial agent, the cost of the antibacterial agent can be reduced, the heat resistance of the natural antibacterial agent can be enhanced, the prepared emulsion pump head is safe and environment-friendly, the antibacterial effect is good, the brittleness can be reduced by the plasticizer added into the formula, and the plastic is easy to process and form; the antioxidant and the stabilizer added in the formula can prevent the pump head from being heated and oxidized in the heating forming or high-temperature use process, so that the plastic is yellowed, cracked and the like; the lubricant added in the formula has the function of preventing the plastic from being stuck on a metal mould during molding, and simultaneously, the surface of the plastic is smooth and beautiful. Therefore, the prepared emulsion pump head has better antibacterial performance and excellent comprehensive performance.
Optionally, the feed additive is prepared from the following raw materials in parts by weight:
85-95 parts of polypropylene resin;
1.5-2.5 parts of antioxidant;
2-4 parts of a composite antibacterial agent;
1-1.5 parts of a plasticizer;
0.2-0.4 part of lubricant;
1.5-2.5 parts of a stabilizer.
By adopting the technical scheme and optimizing the formula, the prepared emulsion pump head has better antibacterial performance and comprehensive performance.
Optionally, the composite antibacterial agent is prepared from the following raw materials in parts by weight:
2-5 parts of a silane coupling agent;
80-120 parts of zinc oxide;
3-5 parts of sodium pentachlorophenate.
By adopting the technical scheme, the zinc oxide is used as the inorganic antibacterial agent, so that the composite antibacterial agent has the advantages of low mobility, safety and environmental protection, the sodium pentachlorophenate has excellent antibacterial rate, and the prepared composite antibacterial agent has better antibacterial effect by combining the zinc oxide with the sodium pentachlorophenate.
Optionally, the composite antibacterial agent comprises the following preparation steps:
putting a silane coupling agent into ethanol, adding zinc oxide into the ethanol, and uniformly stirring to obtain a material a;
mixing the material a for 10-30min, centrifuging, precipitating, and drying to obtain modified nano zinc oxide;
placing the modified nano zinc oxide in ethanol, and carrying out ultrasonic treatment for 20-60min to obtain a material b;
adding sodium pentachlorophenate into the material b, uniformly stirring, heating to 50-60 ℃, and stirring for reaction for 3-5h to obtain a material c;
and filtering, washing and drying the material c to obtain the composite antibacterial agent.
By adopting the technical scheme, two different types of antibacterial agents can be compounded, so that the antibacterial performance is better.
Optionally, the antioxidant comprises antioxidant 1010.
By adopting the technical scheme, the antioxidant 1010 can prevent the plastic from being heated and oxidized during heating forming or high-temperature use, so that the plastic is yellowed, cracked and the like.
Optionally, the plasticizer is one or more of dioctyl phthalate, dibutyl phthalate or diethyl phthalate.
By adopting the technical scheme, dioctyl phthalate or dibutyl phthalate or diethyl phthalate is a high-boiling-point organic compound which can be mixed and dissolved with resin, is nontoxic and odorless and is stable to light and heat, and the brittleness can be obviously reduced when the dioctyl phthalate or dibutyl phthalate or diethyl phthalate is added into pp plastics, so that the plastics are easy to process and form.
Optionally, the lubricant comprises calcium stearate.
Optionally, the stabilizer comprises butyltin mercaptide.
In a second aspect, the present application provides a method for preparing an emulsion pump head, which adopts the following technical scheme:
a preparation method of an emulsion pump head is characterized by comprising the following steps: the preparation method comprises the following preparation steps:
uniformly mixing polypropylene resin, an antioxidant, a composite antibacterial agent, a plasticizer, a lubricant and a stabilizer to obtain a material d; heating the material d to 180-200 ℃, melting, extruding and granulating to obtain a material e;
and heating the material e to 170-190 ℃, and performing injection molding to obtain the emulsion pump head.
By adopting the technical scheme, the process for preparing the emulsion pump head is simple, and the prepared emulsion pump head has good comprehensive performance.
In summary, the present application has the following beneficial effects:
1. the composite antibacterial agent is added into the formula, and combines the advantages of the inorganic antibacterial agent and the natural antibacterial agent, so that the cost of the antibacterial agent can be reduced, the heat resistance of the natural antibacterial agent can be enhanced, the prepared emulsion pump head is safe and environment-friendly, the antibacterial effect is good, the brittleness can be reduced by the plasticizer added into the formula, and the plastic can be easily processed and molded; the antioxidant and the stabilizer added in the formula can prevent the pump head from being heated and oxidized in the heating forming or high-temperature use process, so that the plastic is yellowed, cracked and the like; the lubricant added in the formula has the function of preventing the plastic from being stuck on a metal mould during molding, and simultaneously, the surface of the plastic is smooth and beautiful. Therefore, the prepared emulsion pump head has better antibacterial performance and excellent comprehensive performance.
2. The method has simple preparation process and is convenient for preparing the emulsion pump head.
Detailed Description
The present application will be described in further detail with reference to examples.
Preparation of composite antibacterial agent
Preparation example 1
The composite antibacterial agent comprises the following preparation steps:
weighing 150L of ethanol, placing the ethanol in a container a, adding 2kg of silane coupling agent, continuously stirring in the adding process, adding 80kg of zinc oxide after the adding is finished, and uniformly stirring to obtain a material a;
placing the material a in a high-speed dispersion machine, mixing for 10min at the speed of 1000r/min, centrifuging to obtain a precipitate, and drying the precipitate in an oven to obtain the modified nano zinc oxide;
weighing 200L of ethanol, placing the ethanol in a container b, placing the prepared modified nano zinc oxide in the ethanol, and carrying out ultrasonic treatment for 20min to obtain a material b;
adding 3kg of sodium pentachlorophenate into the material b, uniformly stirring the sodium pentachlorophenate in an ethanol system, heating the ethanol to 50 ℃, and stirring for reaction for 5 hours to obtain a material c;
and (3) filtering the material c, weighing the solid, washing with ethanol, placing in an oven after washing, controlling the temperature to be 50 ℃, and drying to obtain the composite antibacterial agent.
Preparation example 2
The composite antibacterial agent comprises the following preparation steps:
weighing 150L of ethanol, placing the ethanol in a container a, adding 2kg of silane coupling agent, continuously stirring in the adding process, adding 80kg of zinc oxide after the adding is finished, and uniformly stirring to obtain a material a;
placing the material a in a high-speed dispersion machine, mixing for 20min at the speed of 1000r/min, centrifuging to obtain a precipitate, and drying the precipitate in an oven to obtain the modified nano zinc oxide;
weighing 200L of ethanol, placing the ethanol in a container b, placing the prepared modified nano zinc oxide in the ethanol, and performing ultrasonic treatment for 40min to obtain a material b;
adding 3kg of sodium pentachlorophenate into the material b, uniformly stirring the sodium pentachlorophenate in an ethanol system, heating the ethanol to 55 ℃, and reacting for 4 hours under stirring to obtain a material c;
and (3) filtering the material c, weighing the solid, washing with ethanol, placing in an oven after washing, controlling the temperature to be 50 ℃, and drying to obtain the composite antibacterial agent.
Preparation example 3
The composite antibacterial agent comprises the following preparation steps:
weighing 150L of ethanol, placing the ethanol in a container a, adding 2kg of silane coupling agent, continuously stirring in the adding process, adding 80kg of zinc oxide after the adding is finished, and uniformly stirring to obtain a material a;
placing the material a in a high-speed dispersion machine, mixing for 30min at the speed of 1000r/min, centrifuging to obtain precipitate, and drying the precipitate in an oven to obtain modified nano zinc oxide;
weighing 200L of ethanol, placing the ethanol in a container b, placing the prepared modified nano zinc oxide in the ethanol, and carrying out ultrasonic treatment for 60min to obtain a material b;
adding 3kg of sodium pentachlorophenate into the material b, uniformly stirring the sodium pentachlorophenate in an ethanol system, heating the ethanol to 60 ℃, and stirring for reacting for 3 hours to obtain a material c;
and (3) filtering the material c, weighing the solid, washing with ethanol, placing in an oven after washing, controlling the temperature to be 50 ℃, and drying to obtain the composite antibacterial agent.
Preparation example 4
The composite antibacterial agent comprises the following preparation steps:
weighing 150L of ethanol, placing the ethanol in a container a, adding 3.5kg of silane coupling agent, continuously stirring in the adding process, adding 100kg of zinc oxide after the adding is finished, and uniformly stirring to obtain a material a;
placing the material a in a high-speed dispersion machine, mixing for 20min at the speed of 1000r/min, centrifuging to obtain a precipitate, and drying the precipitate in an oven to obtain the modified nano zinc oxide;
weighing 200L of ethanol, placing the ethanol in a container b, placing the prepared modified nano zinc oxide in the ethanol, and performing ultrasonic treatment for 40min to obtain a material b;
adding 4kg of sodium pentachlorophenate into the material b, uniformly stirring the sodium pentachlorophenate in an ethanol system, heating the ethanol to 55 ℃, and stirring for reacting for 4 hours to obtain a material c;
and (3) filtering the material c, weighing the solid, washing with ethanol, placing in an oven after washing, controlling the temperature to be 50 ℃, and drying to obtain the composite antibacterial agent.
Preparation example 5
The composite antibacterial agent comprises the following preparation steps:
weighing 150L of ethanol, placing the ethanol in a container a, adding 5kg of silane coupling agent, continuously stirring in the adding process, adding 120kg of zinc oxide after the adding is finished, and uniformly stirring to obtain a material a;
placing the material a in a high-speed dispersion machine, mixing for 20min at the speed of 1000r/min, centrifuging to obtain a precipitate, and drying the precipitate in an oven to obtain the modified nano zinc oxide;
weighing 200L of ethanol, placing the ethanol in a container b, placing the prepared modified nano zinc oxide in the ethanol, and performing ultrasonic treatment for 40min to obtain a material b;
adding 5kg of sodium pentachlorophenate into the material b, uniformly stirring the sodium pentachlorophenate in an ethanol system, heating the ethanol to 55 ℃, and reacting for 4 hours under stirring to obtain a material c;
and (3) filtering the material c, weighing the solid, washing with ethanol, placing in an oven after washing, controlling the temperature to be 50 ℃, and drying to obtain the composite antibacterial agent.
Examples
Example 1
An emulsion pump head, comprising the following preparation steps;
weighing 80kg of polypropylene resin, 1kg of antioxidant, 1kg of composite antibacterial agent prepared in preparation example 1, 0.5kg of plasticizer, 0.1kg of lubricant and 1kg of stabilizer, and uniformly mixing to obtain a material d;
placing the material d in a double-screw extruder, heating to 180 ℃, melting, extruding, granulating and cooling to obtain a material e;
placing the material e into an injection molding machine, heating the material e to 170 ℃, and injecting the material e into a mold to obtain an emulsion pump head;
wherein the plasticizer is dioctyl phthalate.
Example 2
An emulsion pump head, comprising the following preparation steps;
weighing 80kg of polypropylene resin, 1kg of antioxidant, 1kg of composite antibacterial agent prepared in preparation example 1, 0.5kg of plasticizer, 0.1kg of lubricant and 1kg of stabilizer, and uniformly mixing to obtain a material d;
placing the material d in a double-screw extruder, heating to 190 ℃, melting, extruding, granulating and cooling to obtain a material e;
placing the material e into an injection molding machine, heating the temperature to 180 ℃, and injecting the material e into a mold to obtain an emulsion pump head;
wherein the plasticizer is dibutyl phthalate.
Example 3
An emulsion pump head, comprising the following preparation steps;
weighing 80kg of polypropylene resin, 1kg of antioxidant, 1kg of composite antibacterial agent prepared in preparation example 1, 0.5kg of plasticizer, 0.1kg of lubricant and 1kg of stabilizer, and uniformly mixing to obtain a material d;
placing the material d in a double-screw extruder, heating to 200 ℃, melting, extruding, granulating and cooling to obtain a material e;
placing the material e into an injection molding machine, heating the temperature to 190 ℃, and injecting the material e into a mold to obtain an emulsion pump head;
wherein the plasticizer is diethyl phthalate.
Example 4
An emulsion pump head, comprising the following preparation steps;
weighing 85kg of polypropylene resin, 1.5kg of antioxidant, 2kg of the composite antibacterial agent prepared in preparation example 1, 1kg of plasticizer, 0.2kg of lubricant and 1.5kg of stabilizer, and uniformly mixing to obtain a material d;
placing the material d in a double-screw extruder, heating to 190 ℃, melting, extruding, granulating and cooling to obtain a material e;
placing the material e into an injection molding machine, heating the temperature to 180 ℃, and injecting the material e into a mold to obtain an emulsion pump head;
wherein the plasticizer is dioctyl phthalate and dibutyl phthalate.
Example 5
An emulsion pump head, comprising the following preparation steps;
weighing 90kg of polypropylene resin, 2kg of antioxidant, 3kg of the composite antibacterial agent prepared in preparation example 1, 1.3kg of plasticizer, 0.3kg of lubricant and 2kg of stabilizer, and uniformly mixing to obtain a material d;
placing the material d in a double-screw extruder, heating to 190 ℃, melting, extruding, granulating and cooling to obtain a material e;
and (3) placing the material e into an injection molding machine, heating to 180 ℃, and injecting the material e into a mold to obtain the emulsion pump head.
Example 6
An emulsion pump head, comprising the following preparation steps;
weighing 95kg of polypropylene resin, 2.5kg of antioxidant, 4kg of the composite antibacterial agent prepared in preparation example 1, 1.5kg of plasticizer, 0.4kg of lubricant and 2.5kg of stabilizer, and uniformly mixing to obtain a material d;
placing the material d in a double-screw extruder, heating to 190 ℃, melting, extruding, granulating and cooling to obtain a material e;
and (3) placing the material e into an injection molding machine, heating to 180 ℃, and injecting the material e into a mold to obtain the emulsion pump head.
Example 7
An emulsion pump head, comprising the following preparation steps;
weighing 100kg of polypropylene resin, 3kg of antioxidant, 5kg of the composite antibacterial agent prepared in preparation example 1, 2kg of plasticizer, 0.5kg of lubricant and 3kg of stabilizer, and uniformly mixing to obtain a material d;
placing the material d in a double-screw extruder, heating to 190 ℃, melting, extruding, granulating and cooling to obtain a material e;
and (3) placing the material e into an injection molding machine, heating to 180 ℃, and injecting the material e into a mold to obtain the emulsion pump head.
Examples 8 to 11
Examples 8 to 11 are different from the examples in that the composite antibacterial agent prepared in preparation example 1 was replaced with the same amount of the composite antibacterial agent prepared in preparation examples 2 to 5.
Comparative example
Comparative example 1
Comparative example 1 differs from example 1 in that: the emulsion pump head prepared by using the same amount of zinc oxide to replace the composite antibacterial agent.
Comparative example 2
Comparative example 1 differs from example 1 in that: and replacing the composite antibacterial agent with the same amount of sodium pentachlorophenate to prepare the emulsion pump head.
Performance test
The antibacterial performance of the prepared plastic is detected by adopting a GB/T31402-2015 plastic surface antibacterial performance test method;
the tensile property of the prepared plastic is detected by measuring the tensile property of the plastic in GB/T1040.2-2006;
the mechanical impact property of the plastic is detected by measuring the bending property of the plastic in GB/T9341-2008.
TABLE 1 basic Performance test of emulsion Pump heads prepared in examples 1-11 and comparative examples 1-2
As can be seen by combining examples 1 to 11 and comparative examples 1 to 2 and by combining table 1, the overall performance of the emulsion pump heads prepared in examples 1 to 11 is superior to that of the pump heads prepared in comparative examples 1 to 2, especially the antibacterial performance of the pump heads prepared in comparative examples 1 to 2 with the addition of a single antibacterial agent is significantly superior, and the tensile strength and the impact strength of the plastic pump heads prepared in examples 1 to 11 are not much different from those of the plastic pump heads prepared in comparative examples 1 to 2;
compared with the comparative examples 1-3, the plastic pump head prepared by the preparation process of the example 2 has better antibacterial effect under the same formula;
the plastic pump head prepared in example 7 has better antibacterial performance under the same preparation process conditions as those obtained in comparative example 2 and examples 4 to 7;
comparative example 5 and examples 8-11 gave the best antimicrobial performance of the plastic pump head prepared in example 9 under the same process conditions and the same formulation.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (9)
1. The formula of the emulsion pump head is characterized by comprising the following raw materials in parts by weight:
80-100 parts of polypropylene resin;
1-3 parts of an antioxidant;
1-5 parts of a composite antibacterial agent;
0.5-2 parts of a plasticizer;
0.1-0.5 part of lubricant;
1-3 parts of a stabilizer;
the compound antibacterial agent is prepared by coating a silane coupling agent on the surface of zinc oxide and then grafting sodium pentachlorophenate.
2. A formulation for an emulsion pump head as claimed in claim 1, wherein: the composition is prepared from the following raw materials in parts by weight:
85-95 parts of polypropylene resin;
1.5-2.5 parts of antioxidant;
2-4 parts of a composite antibacterial agent;
1-1.5 parts of a plasticizer;
0.2-0.4 part of lubricant;
1.5-2.5 parts of a stabilizer.
3. A formulation for an emulsion pump head as claimed in claim 1, wherein: the composite antibacterial agent is prepared from the following raw materials in parts by weight:
2-5 parts of a silane coupling agent;
80-120 parts of zinc oxide;
3-5 parts of sodium pentachlorophenate.
4. A formulation for an emulsion pump head as claimed in claim 1, wherein: the composite antibacterial agent comprises the following preparation steps:
putting a silane coupling agent into ethanol, adding zinc oxide into the ethanol, and uniformly stirring to obtain a material a;
mixing the material a for 10-30min, centrifuging, precipitating, and drying to obtain modified nano zinc oxide;
placing the modified nano zinc oxide in ethanol, and carrying out ultrasonic treatment for 20-60min to obtain a material b;
adding sodium pentachlorophenate into the material b, uniformly stirring, heating to 50-60 ℃, and stirring for reaction for 3-5h to obtain a material c;
and filtering, washing and drying the material c to obtain the composite antibacterial agent.
5. A formulation for an emulsion pump head as claimed in claim 1, wherein: the antioxidant comprises pit oxidizer 1010.
6. A formulation for an emulsion pump head as claimed in claim 1, wherein: the plasticizer is one or more of dioctyl phthalate, dibutyl phthalate or diethyl phthalate.
7. A formulation for an emulsion pump head as claimed in claim 1, wherein: the lubricant comprises calcium stearate.
8. A formulation for an emulsion pump head as claimed in claim 1, wherein: the stabilizer comprises butyltin mercaptide.
9. A method of making an emulsion pump head as recited in claims 1-8, wherein: the preparation method comprises the following preparation steps:
uniformly mixing polypropylene resin, an antioxidant, a composite antibacterial agent, a plasticizer, a lubricant and a stabilizer to obtain a material d;
heating the material d to 180-200 ℃, melting, extruding and granulating to obtain a material e;
and heating the material e to 170-190 ℃, and performing injection molding to obtain the emulsion pump head.
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Cited By (1)
| 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 |
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| CN105196621A (en) * | 2008-10-31 | 2015-12-30 | 美国圣戈班性能塑料公司 | Multilayer Flexible Tubing |
| CN105647008A (en) * | 2016-01-21 | 2016-06-08 | 苏州市景荣科技有限公司 | Preparation method of abrasion-resistant fold-resistant polypropylene composite sole material |
| CN106436438A (en) * | 2016-11-04 | 2017-02-22 | 张日龙 | Mould-proof antibacterial food packaging paper and preparation method thereof |
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| CN101724284A (en) * | 2008-10-31 | 2010-06-09 | 中国石油化工股份有限公司 | Anti-bacterial thermoplastic composite and preparation method thereof |
| CN105196621A (en) * | 2008-10-31 | 2015-12-30 | 美国圣戈班性能塑料公司 | Multilayer Flexible Tubing |
| CN105647008A (en) * | 2016-01-21 | 2016-06-08 | 苏州市景荣科技有限公司 | Preparation method of abrasion-resistant fold-resistant polypropylene composite sole material |
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Application publication date: 20210316 |