Smooth and brightened anti-aging master batch for PE (polyethylene) cloth and preparation method of smooth and brightened anti-aging master batch

Abstract

The invention discloses a slipping and brightening anti-aging master batch for PE cloth and a preparation method of the slipping and brightening anti-aging master batch, the master batch comprises the following components: polyethylene resin, an antioxidant, an ultraviolet light absorber, a brightening agent, a slipping agent, a dispersing agent and the balance of an auxiliary agent, and the invention relates to the technical field of anti-aging master batches for PE cloth. By adding the antioxidant and the ultraviolet light absorber, the aging process of the PE cloth can be effectively delayed, the anti-aging performance of the PE cloth can be enhanced, through the synergistic effect of the components, the PE cloth can still keep good physical performance and chemical stability after being exposed to ultraviolet and oxygen environments for a long time, and therefore the service life of the PE cloth is prolonged, and the service life of the PE cloth is prolonged. By adding the brightening agent, the surface of the PE cloth is smoother and rich in gloss, the appearance quality of the PE cloth is remarkably improved, the brightening agent can form a uniform bright layer on the surface of the cloth, the attractiveness is improved, and the market competitiveness is improved.

Description

Technical Field

[0001] The invention relates to the technical field of anti-aging masterbatch for PE cloth, in particular to a smooth and brightening anti-aging masterbatch for PE cloth and a preparation method thereof. Background Art

[0002] In modern industrial production, polyethylene (PE) fabrics are widely used in various packaging materials, building materials, agricultural films and other fields due to their excellent physical properties and chemical stability. However, as the use time increases, PE fabrics are easily affected by oxidation and ultraviolet rays in the natural environment, resulting in material aging, performance degradation, and shortened service life. Therefore, how to improve the anti-aging performance of PE fabrics and extend their service life has become an important issue of concern to the industry.

[0003] In the prior art, in order to solve the aging problem of PE fabrics, the method of adding anti-aging masterbatches to PE fabrics is usually adopted. These anti-aging masterbatches usually contain antioxidants and ultraviolet absorbers to improve the anti-aging performance of PE fabrics. However, the existing anti-aging masterbatches still have some shortcomings in practical applications: Insufficient anti-aging performance: Although many existing anti-aging masterbatches have added antioxidants and ultraviolet absorbers, their anti-aging effects are still limited. Especially under long-term exposure to strong ultraviolet rays and oxygen, the aging phenomenon of PE fabrics is still relatively serious, and it is difficult to meet the needs of long-term use. At the same time, due to the characteristics of the material during the production process, PE fabrics are usually dull in color and lack gloss. Although some existing anti-aging masterbatches try to add brighteners, their brightening effect is not obvious, and it is difficult to significantly improve the gloss of PE fabrics, affecting the appearance quality and market competitiveness of the product. During the use of PE fabrics, the smoothness of the surface is also an important indicator. While improving the anti-aging performance, some existing anti-aging masterbatches fail to take into account the smoothness of PE fabrics, which makes the PE fabric feel poor during use and affects the user experience.

[0004] To this end, the present invention provides a smooth and brightening anti-aging masterbatch for PE cloth and a preparation method thereof to solve the above problems. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a smooth and brightening anti-aging masterbatch for PE cloth and a preparation method thereof, which solves the above problems.

[0006] To achieve the above objectives, the present invention is implemented through the following technical scheme: a smooth and brightening anti-aging masterbatch for PE cloth, the masterbatch comprising the following components:

[0007] Polyethylene resin, antioxidant, UV absorber, brightener, lubricant, dispersant, and the rest are auxiliary agents.

[0008] Preferably, the mass percentage of each component in the masterbatch is: polyethylene resin 70-80%, antioxidant 2-5%, ultraviolet absorber 1-3%, brightener 1-3%, lubricant 1-3%, dispersant 0.5-2%, and the rest are auxiliary agents.

[0009] Preferably, the antioxidant is one or a combination of phenolic antioxidants and amine antioxidants.

[0010] Preferably, the ultraviolet absorber is one or a combination of a benzophenone ultraviolet absorber and a benzotriazole ultraviolet absorber.

[0011] Preferably, the brightener is one or a combination of an organic silicon compound and a fatty amide compound.

[0012] Preferably, the lubricant is one or any combination of an amide lubricant, a siloxane lubricant and an organic phosphide.

[0013] Preferably, the auxiliary agents include antistatic agents, lubricants, plasticizers, stabilizers and pigments or dyes.

[0014] A method for preparing a smooth and brightening anti-aging masterbatch for PE cloth comprises the following steps:

[0015] Step 1: Weigh polyethylene resin, antioxidant, ultraviolet absorber, brightener, lubricant, dispersant, antistatic agent, lubricant, plasticizer, stabilizer and pigment or dye according to mass percentage;

[0016] Step 2: Mix the components in a high-speed mixer to obtain a uniform mixture;

[0017] Step 3: Extruding and granulating the mixture in a twin-screw extruder to obtain masterbatch;

[0018] Step 4: Cooling and cutting the masterbatch obtained by extrusion granulation to obtain the smooth and brightening anti-aging masterbatch for the PE cloth.

[0019] Preferably, in step 2, the components are mixed in the high-speed mixer for 5-10 minutes.

[0020] Preferably, the temperature range of extrusion granulation in the twin-screw extruder in step three is 160-200°C.

[0021] Beneficial Effects

[0022] The present invention provides a smooth and bright anti-aging masterbatch for PE cloth and a preparation method thereof. Compared with the prior art, it has the following beneficial effects:

[0023] (1) The smooth and brightening anti-aging masterbatch for PE cloth and its preparation method can effectively delay the aging process of PE cloth and enhance its anti-aging performance through the added antioxidant and ultraviolet absorber. Through the synergistic effect of these components, the PE cloth can still maintain good physical properties and chemical stability when exposed to ultraviolet and oxygen environment for a long time, thereby extending its service life. By adding the brightener, the surface of the PE cloth is smoother and more shiny, which significantly improves the appearance quality of the PE cloth. The brightener can form a uniform bright layer on the surface of the cloth, which not only increases the aesthetics, but also improves the market competitiveness.

[0024] (2) The lubricating and brightening anti-aging masterbatch for PE cloth and its preparation method make the PE cloth softer and smoother by adding a lubricating agent, and the use experience is significantly improved. The reasonable addition of antistatic agent, lubricant, plasticizer, stabilizer and pigment or dye makes the masterbatch not only have anti-aging, brightening and lubricating functions, but also has further improvements in antistatic, lubricity, flexibility and color. The synergistic effect of these auxiliary agents enhances the comprehensive performance of PE cloth, making it perform better in a variety of application environments. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Embodiment 1:

[0027] The invention discloses a lubricating and brightening anti-aging masterbatch for PE cloth. The mass percentages of the components in the masterbatch are as follows: 75% polyethylene resin, 3% antioxidant, 2% ultraviolet absorber, 2% brightener, 2% lubricant, 1% dispersant, 1% antistatic agent, 2% lubricant, 2% plasticizer, 3% stabilizer and 7% pigment or dye.

[0028] The polyethylene resin, antioxidant, ultraviolet absorber, brightener, lubricant, dispersant, antistatic agent, lubricant, plasticizer, stabilizer and pigment or dye are weighed according to mass percentage, and the components are mixed in a high-speed mixer for 5-10 minutes to obtain a uniform mixture, and the mixture is extruded and granulated in a twin-screw extruder to obtain a masterbatch, and the masterbatch obtained by extrusion granulation is cooled and cut to obtain the lubricating and brightening anti-aging masterbatch for PE cloth.

[0029] Embodiment 2:

[0030] The invention discloses a lubricating and brightening anti-aging masterbatch for PE cloth. The mass percentages of the components in the masterbatch are as follows: 72% of polyethylene resin, 4% of antioxidant, 3% of ultraviolet absorber, 2% of brightener, 1% of lubricant, 1.5% of dispersant, 2% of antistatic agent, 2% of lubricant, 3% of plasticizer, 3% of stabilizer and 6.5% of pigment or dye.

[0031] The polyethylene resin, antioxidant, ultraviolet absorber, brightener, lubricant, dispersant, antistatic agent, lubricant, plasticizer, stabilizer and pigment or dye are weighed according to mass percentage, and the components are mixed in a high-speed mixer for 5-10 minutes to obtain a uniform mixture, and the mixture is extruded and granulated in a twin-screw extruder to obtain a masterbatch, and the masterbatch obtained by extrusion granulation is cooled and cut to obtain the lubricating and brightening anti-aging masterbatch for PE cloth.

[0032] Embodiment three:

[0033] The invention discloses a lubricating and brightening anti-aging masterbatch for PE cloth. The mass percentages of the components in the masterbatch are as follows: 70% polyethylene resin, 5% antioxidant, 2% ultraviolet absorber, 3% brightener, 1% lubricant, 2% dispersant, 2% antistatic agent, 3% lubricant, 3% plasticizer, 4% stabilizer and 5% pigment or dye.

[0034] The polyethylene resin, antioxidant, ultraviolet absorber, brightener, lubricant, dispersant, antistatic agent, lubricant, plasticizer, stabilizer and pigment or dye are weighed according to mass percentage, and the components are mixed in a high-speed mixer for 5-10 minutes to obtain a uniform mixture, and the mixture is extruded and granulated in a twin-screw extruder to obtain a masterbatch, and the masterbatch obtained by extrusion granulation is cooled and cut to obtain the lubricating and brightening anti-aging masterbatch for PE cloth.

[0035] Embodiment 4:

[0036] The invention discloses a lubricating and brightening anti-aging masterbatch for PE cloth. The mass percentages of the components in the masterbatch are as follows: 78% of polyethylene resin, 2% of antioxidant, 1.5% of ultraviolet absorber, 1.5% of brightener, 1% of lubricant, 1% of dispersant, 1% of antistatic agent, 2% of lubricant, 2% of plasticizer, 2% of stabilizer and 8% of pigment or dye.

[0037] The polyethylene resin, antioxidant, ultraviolet absorber, brightener, lubricant, dispersant, antistatic agent, lubricant, plasticizer, stabilizer and pigment or dye are weighed according to mass percentage, and the components are mixed in a high-speed mixer for 5-10 minutes to obtain a uniform mixture, and the mixture is extruded and granulated in a twin-screw extruder to obtain a masterbatch, and the masterbatch obtained by extrusion granulation is cooled and cut to obtain the lubricating and brightening anti-aging masterbatch for PE cloth.

[0038] Embodiment five:

[0039] The invention discloses a lubricating and brightening anti-aging masterbatch for PE cloth. The mass percentages of the components in the masterbatch are as follows: 74% polyethylene resin, 3.5% antioxidant, 2.5% ultraviolet absorber, 2.5% brightener, 1.5% lubricant, 1% dispersant, 2% antistatic agent, 2% lubricant, 2% plasticizer, 2% stabilizer and 7% pigment or dye.

[0040] The polyethylene resin, antioxidant, ultraviolet absorber, brightener, lubricant, dispersant, antistatic agent, lubricant, plasticizer, stabilizer and pigment or dye are weighed according to mass percentage, and the components are mixed in a high-speed mixer for 5-10 minutes to obtain a uniform mixture, and the mixture is extruded and granulated in a twin-screw extruder to obtain a masterbatch, and the masterbatch obtained by extrusion granulation is cooled and cut to obtain the lubricating and brightening anti-aging masterbatch for PE cloth.

[0041] Embodiment six:

[0042] The invention discloses a lubricating and brightening anti-aging masterbatch for PE cloth. The mass percentages of the components in the masterbatch are as follows: 76% polyethylene resin, 3% antioxidant, 2% ultraviolet absorber, 2% brightener, 2% lubricant, 1.5% dispersant, 1.5% antistatic agent, 2% lubricant, 2% plasticizer, 2% stabilizer and 6% pigment or dye.

[0043] The polyethylene resin, antioxidant, ultraviolet absorber, brightener, lubricant, dispersant, antistatic agent, lubricant, plasticizer, stabilizer and pigment or dye are weighed according to mass percentage, and the components are mixed in a high-speed mixer for 5-10 minutes to obtain a uniform mixture, and the mixture is extruded and granulated in a twin-screw extruder to obtain a masterbatch, and the masterbatch obtained by extrusion granulation is cooled and cut to obtain the lubricating and brightening anti-aging masterbatch for PE cloth.

[0044] Embodiment seven:

[0045] The invention discloses a lubricating and brightening anti-aging masterbatch for PE cloth. The mass percentages of the components in the masterbatch are as follows: 73% polyethylene resin, 3% antioxidant, 3% ultraviolet absorber, 2% brightener, 1% lubricant, 1% dispersant, 2% antistatic agent, 3% lubricant, 2% plasticizer, 3% stabilizer and 7% pigment or dye.

[0046] The polyethylene resin, antioxidant, ultraviolet absorber, brightener, lubricant, dispersant, antistatic agent, lubricant, plasticizer, stabilizer and pigment or dye are weighed according to mass percentage, and the components are mixed in a high-speed mixer for 5-10 minutes to obtain a uniform mixture, and the mixture is extruded and granulated in a twin-screw extruder to obtain a masterbatch, and the masterbatch obtained by extrusion granulation is cooled and cut to obtain the lubricating and brightening anti-aging masterbatch for PE cloth.

[0047] Embodiment eight:

[0048] The invention discloses a lubricating and brightening anti-aging masterbatch for PE cloth. The mass percentages of the components in the masterbatch are as follows: 71% of polyethylene resin, 4% of antioxidant, 2% of ultraviolet absorber, 3% of brightener, 2% of lubricant, 1% of dispersant, 2% of antistatic agent, 3% of lubricant, 3% of plasticizer, 2% of stabilizer and 7% of pigment or dye.

[0049] The polyethylene resin, antioxidant, ultraviolet absorber, brightener, lubricant, dispersant, antistatic agent, lubricant, plasticizer, stabilizer and pigment or dye are weighed according to mass percentage, and the components are mixed in a high-speed mixer for 5-10 minutes to obtain a uniform mixture, and the mixture is extruded and granulated in a twin-screw extruder to obtain a masterbatch, and the masterbatch obtained by extrusion granulation is cooled and cut to obtain the lubricating and brightening anti-aging masterbatch for PE cloth.

[0050] Comparative Example 1:

[0051] The mass percentage of each component in the masterbatch is: polyethylene resin 80%, brightener 3%, lubricant 2%, dispersant 1%, antistatic agent 2%, lubricant 2%, plasticizer 2%, stabilizer 2%, pigment or dye 6%.

[0052] The components are mixed in a high-speed mixer for 5-10 minutes to obtain a uniform mixture, the mixture is extruded and granulated in a twin-screw extruder to obtain master batches, and the master batches obtained by extrusion granulation are cooled and cut.

[0053] Comparative Example 2:

[0054] Polyethylene resin 80%, antioxidant 5%, lubricant 2%, dispersant 1%, antistatic agent 1%, lubricant 1%, plasticizer 1%, stabilizer 1%, pigment or dye 8%.

[0055] The components are mixed in a high-speed mixer for 5-10 minutes to obtain a uniform mixture, the mixture is extruded and granulated in a twin-screw extruder to obtain master batches, and the master batches obtained by extrusion granulation are cooled and cut.

[0056] The masterbatches obtained in Examples 1 to 8 and Comparative Examples 1 to 2 were used to manufacture PE cloth, and the obtained PE cloth was subjected to performance tests, including anti-aging performance, brightening effect, smoothness, and stability test of the obtained masterbatches. The test results are shown in Table 1.

[0057] Table 1 Performance test results

[0058]

[0059]

[0060] The anti-aging properties of Examples 1 to 8 are all excellent, thanks to the reasonable addition of antioxidants and ultraviolet absorbers. In Comparative Examples 1 and 2, the anti-aging properties are poor, indicating that the lack of antioxidants and ultraviolet absorbers seriously affects the anti-aging ability of the masterbatch. The reasonable use of brighteners in the examples makes the brightening effect generally better, especially in Examples 2, 3, 5 and 8. The brightening effect of Comparative Example 2 is poor due to the lack of brightener addition. The slipperiness performance in Examples 1, 6, 7 and 8 is particularly outstanding, thanks to the reasonable addition of slip agents. At the same time, the quality stability of the masterbatch in the examples is excellent, thanks to the reasonable ratio and uniform mixing of the components.

[0061] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0062] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0063] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A smooth and brightening anti-aging masterbatch for PE cloth, characterized in that: The masterbatch comprises the following components: Polyethylene resin, antioxidant, UV absorber, brightener, lubricant, dispersant, and the rest are auxiliary agents.

2. The anti-aging masterbatch for PE cloth with smoothness and brightening according to claim 1, characterized in that: The mass percentages of the components in the masterbatch are: polyethylene resin 70-80%, antioxidant 2-5%, ultraviolet absorber 1-3%, brightener 1-3%, lubricant 1-3%, dispersant 0.5-2%, and the rest are auxiliary agents.

3. The anti-aging masterbatch for PE cloth with smoothness and brightening according to claim 1, characterized in that: The antioxidant is one or a combination of phenolic antioxidants and amine antioxidants.

4. The anti-aging masterbatch for PE cloth with smoothness and brightening according to claim 1, characterized in that: The ultraviolet absorber is one or a combination of a benzophenone ultraviolet absorber and a benzotriazole ultraviolet absorber.

5. The anti-aging masterbatch for PE cloth with smoothness and brightening according to claim 1, characterized in that: The brightener is one or a combination of an organic silicon compound and a fatty amide compound.

6. The anti-aging masterbatch for PE cloth with smoothness and brightening according to claim 1, characterized in that: The lubricant is one or any combination of an amide lubricant, a siloxane lubricant and an organic phosphide.

7. The anti-aging masterbatch for PE cloth with smoothness and brightening according to claim 2, characterized in that: The auxiliary agents include antistatic agents, lubricants, plasticizers, stabilizers and pigments or dyes.

8. A method for preparing a smooth and brightening anti-aging masterbatch for PE cloth according to any one of claims 1 to 7, characterized in that: The following steps are involved: Step 1: Weigh polyethylene resin, antioxidant, ultraviolet absorber, brightener, lubricant, dispersant, antistatic agent, lubricant, plasticizer, stabilizer and pigment or dye according to mass percentage; Step 2: Mix the components in a high-speed mixer to obtain a uniform mixture; Step 3: Extruding and granulating the mixture in a twin-screw extruder to obtain masterbatch; Step 4: Cooling and cutting the masterbatch obtained by extrusion granulation to obtain the smooth and brightening anti-aging masterbatch for the PE cloth.

9. The method for preparing the smooth and brightening anti-aging masterbatch for PE cloth according to claim 8, characterized in that: In the step 2, the components are mixed in the high-speed mixer for 5-10 minutes.

10. The method for preparing the smooth and brightening anti-aging masterbatch for PE cloth according to claim 8, characterized in that: The temperature range of extrusion granulation in the twin-screw extruder in step 3 is 160-200°C.

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