High-barrier-property elastic environment-friendly polyethylene plastic glove as well as preparation method and application thereof
By using high-density polyethylene and linear low-density polyethylene in gloves and adding hydrophobic vinylated mica, maleic anhydride grafting POE and grafting additives, the problem of gloves becoming dull when processing chemicals is solved, achieving high barrier properties, mechanical strength and elastic effects, reducing costs and simplifying production processes.
Patent Information
- Application Number
- CN202510322208.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2025-06-03
AI Technical Summary
Existing gloves have the problem of feeling dull when dealing with chemicals, and traditional rubber gloves are costly, have low strength and are prone to damage, while polyethylene gloves have low strength, poor elasticity and poor durability.
High-density polyethylene and linear low-density polyethylene are used as the main materials, and the barrier properties, mechanical strength and elasticity of the gloves are improved by adding hydrophobic vinylated mica, maleic anhydride grafting POE and grafting additives. The gloves are prepared by recycled polyethylene plastic, with reduced costs and simple production process, and are prepared using traditional extrusion blow molding processes.
It realizes the high barrier properties, mechanical strength and elasticity of gloves, reduces costs, simplifies production processes, improves the durability and environmental protection of gloves, and is suitable for hand protection in various scenarios.
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Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of personal protective equipment, and in particular relates to a high-barrier elastic environmentally friendly polyethylene plastic glove and a preparation method and application thereof. Background Art
[0002] Generally, when handling chemicals in beauty salons, such as dyeing or perming, workers wear gloves to protect their hands. However, when wearing gloves to perform the above operations, there is a problem that the sense is inevitably dulled compared to the beauty operations performed with bare hands, and therefore, there is a problem that the accuracy is lower than when the beauty operations are performed with bare hands. For the above reasons, even if gloves are worn, the gloves should be worn as thin as possible and fit the hands to minimize the dullness. Representative examples of hair dyeing gloves are gloves made of synthetic rubber, which have the characteristics of low permeability, chemical resistance, solvent resistance, and reusability. Synthetic rubber materials, for example, can include chloroprene rubber, chlorosulfonated polyethylene rubber, nitrile rubber, polyurethane rubber, butyl rubber and silicone rubber. However, disposable gloves prepared from the above traditional rubber materials have the problems of high cost, low strength, easy damage, and difficulty in reducing thickness.
[0003] Although polyethylene gloves are low-cost and can be processed at low thickness, they have problems such as low strength, poor elasticity and poor durability, and cannot achieve the characteristics of rubber gloves that fit tightly to the hands. Summary of the invention
[0004] In view of the problems existing in the background technology, the purpose of the present invention is to provide an environmentally friendly polyethylene plastic glove and its preparation method and application. The material of the polyethylene glove not only has the characteristics of high barrier, high strength and elasticity, but also can be used to prepare thin and hand-fitting protective gloves. Moreover, the recycled polyethylene plastic can be further used, and the good processing performance and product performance are still maintained, so that the cost is reduced, and the production process is relatively simple, and the traditional extrusion blow molding process can be used for preparation. It can be learned from the test that the elastic polyethylene glove can be used in beauty, hospitals, factories, homes and other occasions.
[0005] In order to achieve the above object, in the first aspect, the present invention provides a high barrier elastic environmentally friendly polyethylene plastic glove, the components of which are as follows by weight:
[0006]
[0007] The grafting auxiliary agent can realize the grafting of POE, hydrophobic vinyl muscovite and polyethylene.
[0008] Furthermore, the high-density polyethylene is 100% recycled plastic (PCR); the linear low-density polyethylene is 100% recycled plastic (PCR).
[0009] Further, the hydrophobic vinylated muscovite is a muscovite with alkylenes grafted on its surface and between its layers.
[0010] Further, the POE is maleic anhydride-grafted POE.
[0011] Further, the preparation method of the hydrophobic vinylated muscovite includes the following steps:
[0012] (1) By weight ratio, first mix 10 parts of muscovite with 100 parts of 25-35 wt% tetrabutylammonium hydroxide, stir at 70-90 °C for 12 h, then filter and wash with deionized water to obtain tetrabutylammonium hydroxide intercalated muscovite; then, disperse the tetrabutylammonium hydroxide intercalated muscovite in 100 parts of 20-30 wt% sodium methacrylate solution, stir at 60-70 °C for 2-4 h, cool to room temperature, add hydrochloric acid while stirring continuously to adjust the solution pH to 6-6.5, stir and maintain for 2-3 h, filter, wash with deionized water until neutral, centrifuge to dehydrate, and vacuum dry to obtain intercalated modified muscovite;
[0013] (2) By weight ratio, mix 100 parts of the intercalated modified muscovite with 10 parts of 20-30 wt% ethanol solution of vinyltrimethoxysilane, then heat and stir in a high-speed mixer, and finally place it in a vacuum drying oven to dry at a temperature of 100-110 °C for 3-5 hours, take it out and cool to room temperature to obtain hydrophobic vinylated muscovite; the parameters of the high-speed mixer: rotation speed 500-1500 revolutions per minute, temperature 90-100 °C, time 3-5 hours.
[0014] Further, the color of the masterbatch is one of black, red, gray, blue or green.
[0015] Further, the grafting assistant is trimethylolpropane triacrylate.
[0016] In order to achieve the above object, in the second aspect, the present invention provides a preparation method of an environmentally friendly polyethylene plastic glove, including the following steps:
[0017] (1) Mix high-density polyethylene, linear low-density polyethylene, hydrophobic vinylated muscovite, masterbatch, POE and grafting assistant evenly by weight in a high-speed mixer at a rotation speed of 200-500 revolutions per minute and a temperature not exceeding 60 °C to obtain a mixed material;
[0018] (2) Melt and plasticize the mixed material in step (1) with a twin-screw extruder and extrude and pelletize to obtain pellets; the barrel temperature range of the twin-screw extruder: 150-200 °C, the head temperature range: 180-200 °C;
[0019] (3) Blow the pellets described in step (2) and blow them into a film through a single-screw extruder to obtain a tubular film;
[0020] (4) Irradiate the tubular film described in step (3) with electron beam, with an irradiation dose of 4.5 - 6 Mard. After standing for 12 - 24 h, a pretreated tubular film is obtained;
[0021] (5) Subject the pretreated tubular film described in step (4) to hot pressing and cutting through an automatic glove machine to obtain a high-barrier elastic environmental protection polyethylene plastic glove.
[0022] In a third aspect, the present invention provides an application of a high-barrier elastic environmental protection polyethylene plastic glove, which can be applied to hair dyeing.
[0023] In a fourth aspect, the present invention provides an application of a high-barrier elastic environmental protection polyethylene plastic glove, which can be applied to medical protection, electronic processing, food processing, dining, household cleaning, factory protection or nursing washing.
[0024] The present invention has the following advantages:
[0025] (1) The present invention can use recycled polyethylene plastic to prepare disposable gloves. By adding hydrophobic vinylated muscovite, maleic anhydride grafted POE and grafting aids, the barrier property, mechanical strength and elasticity of the gloves are improved. Among them, the sheet-shaped barrier inorganic filler - muscovite is first intercalated with the cation exchanger tetrabutylammonium hydroxide for the first time, and then intercalated with the anion exchanger sodium methacrylate for the second time. It is found that the sequential use of tetrabutylammonium hydroxide and sodium methacrylate not only further expands the layer spacing of muscovite or exfoliates it into flakes to obtain intercalated modified muscovite; but also the muscovite treated with tetrabutylammonium hydroxide first is more conducive to the subsequent intercalation modification of sodium methacrylate, and increases the grafting hydrophobic modification effect of subsequent vinyltrimethoxysilane on the interlayer and surface of muscovite, greatly increasing the content of vinyl active functional groups on the interlayer and surface of muscovite; not only improving the dispersion of muscovite in the polyethylene resin and improving the interfacial bonding force between muscovite and the substrate, but also the vinyl active functional groups on its surface or interlayer can undergo grafting crosslinking with the main chain or straight chain of polyethylene or POE under electron beam irradiation through the grafting aid - trimethylolpropane triacrylate, further improving the mechanical strength of the polyethylene glove, and the three-dimensional grafting network generated starting from the layered muscovite forms a multi-dimensional crosslinking network to inhibit the molecular chain sliding of the polyethylene resin and improve the elasticity in all directions. Therefore, the polyethylene gloves prepared by this method not only have good barrier properties and strength, but also have good elasticity, meeting the performance requirements for polyethylene gloves to replace rubber gloves in the field of hair dyeing.
[0026] (2) The gloves prepared by the present invention, by adding hydrophobic vinyl muscovite, maleic anhydride grafted POE and grafting aids to the raw materials, are found to be able to replace synthetic polyethylene as a resin base material with environmentally friendly plastics such as recycled polyethylene plastics, while still maintaining good processability and product performance, thereby further reducing costs. This indicates that the cross-linking modification additive system has good resin adaptability, does not have high requirements on resin purity or polarity, and has a wide range of available resin types.
[0027] (3) The raw material formula of the gloves of the present invention is relatively simple, and the production process can be used by conventional extrusion blow molding process, and existing equipment can be used for production with a little modification.
[0028] (4) The high-barrier elastic environmentally friendly polyethylene plastic gloves of the invention have better barrier properties and durability than existing polyethylene gloves. They can better prevent solvents and other substances in hair dye from staining the hands when dyeing hair for a long time, and reduce the number of replacements during use. They not only better protect the hands of users, but also reduce the number of gloves used and the amount of waste, and are more environmentally friendly.
[0029] Further features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention. DETAILED DESCRIPTION
[0030] In order to make the above-mentioned purposes, features and advantages of the invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below. In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.
[0031] First, the high barrier elastic environmentally friendly polyethylene plastic gloves according to the first aspect of the present invention are described, and the components by mass percentage include:
[0032]
[0033] The grafting auxiliary agent can realize the grafting of POE, hydrophobic vinyl muscovite and polyethylene.
[0034] In the high-barrier elastic environmentally friendly polyethylene plastic gloves of the present invention, the high-density polyethylene is 100% recycled plastic (PCR); the linear low-density polyethylene is 100% recycled plastic (PCR).
[0035] In the high barrier elastic environmentally friendly polyethylene plastic gloves of the present invention, the hydrophobic vinyl muscovite is muscovite with alkylene grafted on the surface and between the layers.
[0036] In the high-barrier elastic environmentally friendly polyethylene plastic gloves of the present invention, the POE is maleic anhydride-grafted POE.
[0037] In the high-barrier elastic environmentally friendly polyethylene plastic gloves of the present invention, the preparation method of the hydrophobic vinylated mica includes the following steps:
[0038] (1) By weight ratio, first mix 10 parts of mica with 100 parts of 25-35 wt% tetrabutylammonium hydroxide, and stir at 70-90 °C for 12 h, then filter and wash with deionized water to obtain tetrabutylammonium hydroxide intercalated mica; then, disperse the tetrabutylammonium hydroxide intercalated mica in 100 parts of 20-30 wt% sodium methacrylate solution, and stir at 60-70 °C for 2-4 h, then cool to room temperature and add hydrochloric acid while stirring continuously to adjust the pH of the solution to 6-6.5, stir and maintain for 2-3 h, filter, wash with deionized water until neutral, centrifuge to dehydrate, and vacuum dry to obtain intercalated modified mica;
[0039] (2) By weight ratio, mix 100 parts of the intercalated modified mica with 10 parts of 20-30 wt% ethanol solution of vinyltrimethoxysilane, then heat and stir in a high-speed mixer, and finally place it in a vacuum drying oven to dry at a temperature of 100-110 °C for 3-5 hours, take out and cool to room temperature to obtain hydrophobic vinylated mica; the parameters of the high-speed mixer: rotation speed 500-1500 revolutions per minute, temperature 90-100 °C, time 3-5 hours.
[0040] In the high-barrier elastic environmentally friendly polyethylene plastic gloves of the present invention, the color of the masterbatch is one of black, red, gray, blue or green.
[0041] In the high-barrier elastic environmentally friendly polyethylene plastic gloves of the present invention, the grafting assistant is trimethylolpropane triacrylate.
[0042] Secondly, the preparation method of the high-barrier elastic environmentally friendly polyethylene plastic gloves according to the second aspect of the present invention is described, including the following steps:
[0043] (1) Mix high-density polyethylene, linear low-density polyethylene, hydrophobic vinylated mica, masterbatch, POE and grafting assistant evenly by weight in a high-speed mixer at a rotation speed of 200-500 revolutions per minute and a temperature not exceeding 60 °C to obtain a mixed material;
[0044] (2) Melt and plasticize the mixed material in step (1) with a twin-screw extruder and extrude and pelletize to obtain pellets; the barrel temperature range of the twin-screw extruder: 150-200 °C, the head temperature range: 180-200 °C;
[0045] (3) Blow the pellets described in step (2) and blow them into a film by a single-screw extruder to obtain a tubular film;
[0046] (4) Irradiate the tubular film described in step (3) with an electron beam, with an irradiation dose of 4.5 - 6 Mrad. After standing for 12 - 24 h, a pretreated tubular film is obtained;
[0047] (5) Subject the pretreated tubular film described in step (4) to hot pressing and cutting by an automatic glove machine to obtain a high-barrier elastic environmentally friendly polyethylene plastic glove.
[0048] Furthermore, it is described that the high-barrier elastic environmentally friendly polyethylene plastic glove according to the third aspect of the present invention can be applied to hair dyeing.
[0049] Finally, it is described that the high-barrier elastic environmentally friendly polyethylene plastic glove according to the fourth aspect of the present invention can be applied to medical protection, electronic processing, food processing, dining, household cleaning, factory protection or nursing washing.
[0050] Hereinafter, the high-barrier elastic environmentally friendly polyethylene plastic glove of the present invention and its preparation method will be specifically described with reference to specific embodiments. The main raw materials and equipment used: Unless otherwise specified, the raw materials and equipment of each embodiment and comparative example are the same; materials without specifying specific models or types are sourced from the market or commonly available common models through usual channels, and no specific restrictions are made.
[0051] Example 1
[0052] I. Preparation steps of hydrophobic vinylated muscovite:
[0053] (1) By weight ratio, first mix 10 parts of muscovite with 100 parts of 25 wt% tetrabutylammonium hydroxide, stir at 70 °C for 12 h, then filter and wash with deionized water to obtain tetrabutylammonium hydroxide intercalated muscovite; then, disperse the tetrabutylammonium hydroxide intercalated muscovite in 100 parts of 20 wt% sodium methacrylate solution, stir at 60 °C for 2 h, cool to room temperature, and add hydrochloric acid to adjust the solution pH to 6 while continuously stirring, stir and maintain for 2 h, filter, wash with deionized water until neutral, centrifuge for dehydration, and vacuum dry to obtain intercalated modified muscovite;
[0054] (2) By weight ratio, mix 100 parts of the intercalated modified muscovite with 10 parts of 20 wt% vinyltrimethoxysilane ethanol solution, then heat and stir in a high-speed mixer, and finally place it in a vacuum drying oven to dry at a temperature of 100 °C for 3 hours, take it out and cool to room temperature to obtain hydrophobic vinylated muscovite; the parameters of the high-speed mixer: rotation speed 500 revolutions per minute, temperature 90 °C, time 3 hours.
[0055] II. Preparation steps of polyethylene gloves:
[0056] (1) By weight ratio, 50 parts of high-density polyethylene (RHE-YN52A9 NC002, 100% PCR, Kingfa Science & Technology), 50 parts of linear low-density polyethylene (RLLE-YN53A9 NC011, 100% PCR, Kingfa Science & Technology), 15 parts of hydrophobic vinylated muscovite, 1 part of red masterbatch (Color Wings Masterbatch Technology (Beijing) Co., Ltd.), 3 parts of maleic anhydride grafted POE and 1 part of trimethylolpropane triacrylate were mixed evenly with a high-speed mixer at a rotation speed of 2000 revolutions per minute and a temperature not exceeding 60 °C to obtain a mixed material;
[0057] (2) The mixed material described in step (1) was melt-plasticized and pelletized with a twin-screw extruder to obtain pellets; the barrel temperatures of the twin-screw extruder in each zone were: 150 °C, 165 °C, 175 °C, and 180 °C, and the head temperature was 170 °C;
[0058] (3) The pellets described in step (2) and the material blown into a film by a single-screw extruder to obtain a tubular film; the temperatures in each zone of the single-screw extruder were: 165 °C, 175 °C, 185 °C, and 190 °C;
[0059] (4) The tubular film described in step (3) was treated by electron beam irradiation with a radiation dose of 4.5 Mard. After standing for 12 h, a pretreated tubular film was obtained;
[0060] (5) The pretreated tubular film described in step (4) was hot-pressed and cut by an automatic glove machine to obtain a high-barrier elastic environmental protection polyethylene plastic glove with a double-layer thickness of 0.32 mm.
[0061] Example 2
[0062] I. Preparation steps of hydrophobic vinylated muscovite:
[0063] (1) By weight ratio, first, 10 parts of muscovite were mixed with 100 parts of 35 wt% tetrabutylammonium hydroxide and stirred at 90 °C for 12 h, then filtered and washed with deionized water to obtain tetrabutylammonium hydroxide intercalated muscovite; then, the tetrabutylammonium hydroxide intercalated muscovite was dispersed in 100 parts of 30 wt% sodium methacrylate solution and stirred at 70 °C for 4 h. After cooling to room temperature, hydrochloric acid was added under continuous stirring to adjust the solution pH to 6.5, stirred and maintained for 3 h, filtered, washed with deionized water to neutrality, centrifuged for dehydration, and vacuum dried to obtain intercalated modified muscovite;
[0064] (2) Mix 100 parts of intercalated modified muscovite with 10 parts of an ethanol solution of 30 wt% vinyltrimethoxysilane by weight ratio, then heat and stir in a high-speed mixer, and finally place it in a vacuum drying oven to dry at a temperature of 110 °C for 5 hours. Take it out and cool it to room temperature to obtain hydrophobic vinylated muscovite; the parameters of the high-speed mixer: rotation speed 1500 revolutions per minute, temperature 100 °C, time 5 hours.
[0065] II. Preparation steps of polyethylene gloves:
[0066] (1) Mix 50 parts of high-density polyethylene (RHE-YN52A9 NC002, 100% PCR, Kingfa Science & Technology), 50 parts of linear low-density polyethylene (RLLE-YN53A9 NC011, 100% PCR, Kingfa Science & Technology), 25 parts of hydrophobic vinylated muscovite, 2 parts of blue masterbatch (Color Wings Masterbatch Technology (Beijing) Co., Ltd.), 5 parts of maleic anhydride grafted POE and 2 parts of trimethylolpropane triacrylate evenly in a high-speed mixer at a rotation speed of 500 revolutions per minute and a temperature not exceeding 60 °C to obtain a mixed material;
[0067] (2) Melt and plasticize the mixed material in step (1) with a twin-screw extruder and extrude it into pellets; the barrel temperatures of the twin-screw extruder are: 165 °C, 175 °C, 185 °C and 190 °C, and the head temperature is 180 °C;
[0068] (3) Blow the pellets in step (2) into a film with a single-screw extruder to obtain a tubular film; the temperatures of each zone of the single-screw extruder are: 175 °C, 178 °C, 185 °C and 190 °C;
[0069] (4) Irradiate the tubular film in step (3) with electron beam irradiation at an irradiation dose of 6 Mard, and let it stand for 24 h to obtain a pretreated tubular film;
[0070] (5) Thermally press and cut the pretreated tubular film in step (4) with an automatic glove machine to obtain a high-barrier elastic environmentally friendly polyethylene plastic glove with a double-layer thickness of 0.35 mm.
[0071] Example 3
[0072] I. Preparation steps of hydrophobic vinylated muscovite:
[0073] (1) By weight ratio, first mix 10 parts of muscovite with 100 parts of 30 wt% tetrabutylammonium hydroxide, stir at 80 °C for 12 h, then filter, wash with deionized water to obtain tetrabutylammonium hydroxide intercalated muscovite; then, disperse the tetrabutylammonium hydroxide intercalated muscovite in 100 parts of 25 wt% sodium methacrylate solution, stir at 65 °C for 3 h, cool to room temperature, add hydrochloric acid under continuous stirring to adjust the solution pH to 6.2, stir and maintain for 2.5 h, filter, wash with deionized water until neutral, centrifuge to dehydrate, and vacuum dry to obtain intercalated modified muscovite;
[0074] (2) By weight ratio, mix 100 parts of the intercalated modified muscovite with 10 parts of 25 wt% vinyltrimethoxysilane ethanol solution, then heat and stir in a high-speed mixer, and finally place in a vacuum drying oven to dry at 105 °C for 4 h, take out and cool to room temperature to obtain hydrophobic vinylated muscovite; the parameters of the high-speed mixer: rotation speed 800 r / min, temperature 95 °C, time 4 h.
[0075] II. Preparation steps of polyethylene gloves:
[0076] (1) By weight ratio, mix 50 parts of high-density polyethylene (RHE-YN52A9 NC002, 100% PCR, Kingfa Science & Technology), 50 parts of linear low-density polyethylene (RLLE-YN53A9 NC011, 100% PCR, Kingfa Science & Technology), 20 parts of hydrophobic vinylated muscovite, 1.5 parts of black masterbatch (Color Wings Masterbatch Technology (Beijing) Co., Ltd.), 4 parts of maleic anhydride grafted POE and 1.5 parts of trimethylolpropane triacrylate evenly in a high-speed mixer at a rotation speed of 350 r / min and a temperature not exceeding 60 °C to obtain a mixed material;
[0077] (2) Melt and plasticize the mixed material in step (1) with a twin-screw extruder and extrude into pellets; the barrel temperatures of the twin-screw extruder are: 160 °C, 170 °C, 180 °C and 185 °C, and the head temperature is 175 °C;
[0078] (3) Blow the pellets in step (2) into a film with a single-screw extruder to obtain a tubular film; the temperatures of each zone of the single-screw extruder are: 170 °C, 175 °C, 180 °C and 186 °C;
[0079] (4) Irradiate the tubular film in step (3) with an electron beam, with an irradiation dose of 5 Mard, and let it stand for 18 h to obtain a pretreated tubular film;
[0080] (5) Thermally press and cut the pretreated tubular film in step (4) with an automatic glove machine to obtain a high-barrier elastic environmental protection polyethylene plastic glove with a double-layer thickness of 0.3 mm.
[0081] Comparative Example 1
[0082] Except that muscovite was not subjected to the intercalation treatment in step (1) and was only treated with vinyltrimethoxysilane, others were the same as in Example 3.
[0083] Comparative Example 2
[0084] Except that sodium methacrylate was replaced by sodium carboxymethylcellulose, others were the same as in Example 3.
[0085] Comparative Example 3
[0086] Except that vinyltrimethoxysilane was replaced by γ-aminopropyltriethoxysilane, others were the same as in Example 3.
[0087] Performance Test
[0088] 1. Determination of Tensile Strength, Elongation at Break and Elastic Recovery Rate
[0089] According to Part 3 of the national standard "Determination of Tensile Properties of Plastics" (GB\T1040.3 - 2006), the test conditions for films and sheets: dumbbell-shaped specimens with a length of 150 mm, a narrow parallel width of 10 mm, a tensile speed of 50 mm / min, and a room temperature of 25°C.
[0090] Elastic recovery rate: After the specimen fractured by stretching was allowed to stand for 5 min, it was re-spliced, and the length after splicing was measured. Elastic recovery rate = elongation at break (%) - (length after splicing / 150 mm) × 100%
[0091] 2. Barrier Property
[0092] (1) Prepare hair dye: Weigh 5 parts of propylene glycol, 5 parts of ethanol, 1 part of monoethanolamine, 2 parts of sodium thiosulfate, 1 part of sodium dodecyl sulfate, 0.5 part of hydrogen peroxide, 0.5 part of polyethylene glycol, 1 part of hydroxyethyl cellulose, 0.2 part of p-phenylenediamine and 0.2 part of m-phenylenediamine by weight.
[0093] Fill 100 g of hair dye into the glove interior, exhaust the gas, seal it by heat sealing, and leave it standing at a weak vacuum and high temperature in a vacuum glove box for 48 hours (temperature 60°C, vacuum degree 0.02 MPa), weigh it, and calculate the weight reduction.
[0094] The performance test results of the products obtained in the above examples and comparative examples are shown in Table 1.
[0095] Table 1 Performance Test Results of Biodegradable Gloves
[0096]
[0097]
[0098] As can be seen from Table 1, the gloves prepared by the present invention are added with hydrophobic vinylated mica, maleic anhydride grafted POE and grafting aids, which improve the barrier property (anti-leakage property), mechanical strength and elasticity of the gloves; in addition, the preparation method of the present invention is simple and can be realized by slightly modifying the existing equipment. The gloves of the present invention can be used for hand protection in occasions such as hospitals, factories or families.
[0099] Although some specific embodiments of the present invention have been described in detail by way of examples, those skilled in the art should understand that the above examples are only for illustration and not for limiting the scope of the present invention. Those skilled in the art should understand that the above embodiments can be modified without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.
Claims
1. A high barrier elastic environmentally friendly polyethylene plastic glove, characterized in that: The ingredients by mass include: The grafting auxiliary agent can realize the grafting of POE, hydrophobic vinyl muscovite and polyethylene.
2. The high barrier elastic environmentally friendly polyethylene plastic gloves according to claim 1, characterized in that: The high-density polyethylene is 100% recycled plastic (PCR); the linear low-density polyethylene is 100% recycled plastic (PCR).
3. The high barrier elastic environmentally friendly polyethylene plastic gloves according to claim 1, characterized in that: The hydrophobic vinyl muscovite is muscovite with alkylene grafted on the surface and between the layers.
4. The high barrier elastic environmentally friendly polyethylene plastic gloves according to any one of claims 1 to 3, characterized in that: The POE is maleic anhydride grafted POE.
5. The high barrier elastic environmentally friendly polyethylene plastic gloves according to claim 1 or 3, characterized in that: The preparation method of the hydrophobic vinyl muscovite comprises the following steps: (1) According to the weight ratio, 10 parts of muscovite and 100 parts of 25-35wt% tetrabutylammonium hydroxide are first mixed, and stirred at 70-90°C for 12 hours, filtered, and washed with deionized water to obtain tetrabutylammonium hydroxide intercalated muscovite; then, the tetrabutylammonium hydroxide intercalated muscovite is dispersed in 100 parts of 20-30wt% sodium methacrylate solution, and stirred at 60-70°C for 2-4 hours, cooled to room temperature, and hydrochloric acid is added under continuous stirring to adjust the solution pH to 6-6.5, stirred and maintained for 2-3 hours, filtered, washed with deionized water until neutral, centrifuged and dehydrated, and vacuum dried to obtain intercalated modified muscovite; (2) According to the weight ratio, 100 parts of the intercalated modified muscovite and 10 parts of a 20-30wt% vinyltrimethoxysilane ethanol solution are mixed, and then heated and stirred in a high-speed stirrer, and finally placed in a vacuum drying oven at a temperature of 100-110° C. for 3-5 hours, taken out and cooled to room temperature to obtain hydrophobic vinyl muscovite; the parameters of the high-speed stirrer are: speed 500-1500 rpm, temperature 90-100° C., time 3-5 hours.
6. The high barrier elastic environmentally friendly polyethylene plastic gloves according to claim 1, characterized in that: The color of the masterbatch is one of black, red, gray, blue or green.
7. The high barrier elastic environmentally friendly polyethylene plastic gloves according to claim 1, characterized in that: The grafting auxiliary agent is trimethylolpropane triacrylate.
8. The method for preparing the high barrier elastic environmentally friendly polyethylene plastic gloves according to any one of claims 1 to 7, characterized in that: The following steps are involved: (1) high-density polyethylene, linear low-density polyethylene, hydrophobic vinyl muscovite, masterbatch, POE and grafting aid are mixed uniformly by a high-speed mixer according to weight proportions, at a speed of 200-500 rpm and a temperature of no more than 60° C. to obtain a mixture; (2) melt-plasticizing and extruding the mixed material in step (1) using a twin-screw extruder to obtain pellets; the barrel temperature of the twin-screw extruder is in the range of 150-200° C., and the head temperature is in the range of 180-200° C.; (3) blowing the pellets in step (2) into a film through a single screw extruder to obtain a tubular film; (4) treating the tubular film described in step (3) with electron beam irradiation at a dose of 4.5-6 Mard, and standing for 12-24 hours to obtain a pretreated tubular film; (5) The pretreated tube film described in step (4) is subjected to hot pressing and cutting by an automatic glove machine to obtain high-barrier elastic environmentally friendly polyethylene plastic gloves.
9. Application of high barrier elastic environmentally friendly polyethylene plastic gloves prepared by the preparation method of claim 1-7 or claim 8, characterized in that: Can be applied to dyed hair.
10. Application of high barrier elastic environmentally friendly polyethylene plastic gloves prepared according to claims 1-7 or the preparation method of claim 8, characterized in that: It can be applied to medical protection, electronic processing, food processing, dining, home cleaning, factory protection or care washing.