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Irradiation-resistant melt-blown polypropylene composite material as well as preparation method and application thereof

A composite material, polypropylene technology, applied in the direction of single-component polyolefin rayon, rayon manufacturing, textiles and papermaking, etc., can solve problems such as the influence of polypropylene meltblown properties, and achieve the effect of suitable fluidity

Pending Publication Date: 2020-12-11
中国同辐股份有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although additives such as antioxidants and light stabilizers can improve the radiation resistance of polypropylene to a certain extent, the addition of additives will also have an important impact on the melt-blown performance of polypropylene.

Method used

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  • Irradiation-resistant melt-blown polypropylene composite material as well as preparation method and application thereof
  • Irradiation-resistant melt-blown polypropylene composite material as well as preparation method and application thereof
  • Irradiation-resistant melt-blown polypropylene composite material as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-3

[0031] These examples provide a radiation-resistant melt-blown polypropylene composite material, and the dosage of specific components is shown in Table 1.

[0032] Table 1

[0033]

[0034] Among them, in Table 1, polypropylene is CGN Juner’s special polypropylene for melt-blown cloth, the model is PPB-1500; polyethylene is Dow Chemical Company’s 2045G polyethylene; the ultraviolet light absorber is triazole ultraviolet light absorber UV-328 was purchased from Shanghai Macklin Technology Co., Ltd.; the light stabilizer was polymeric high molecular weight hindered amine light stabilizer 622, purchased from Shanghai Macklin Technology Co., Ltd.; the antioxidant was 4,4′-methylene Bis(2,6-di-tert-butylphenol) (antioxidant 702) was purchased from Shanghai Aladdin Biochemical Technology Co., Ltd.

[0035] The preparation method of the above-mentioned radiation-resistant melt-blown polypropylene composite material includes the following steps: weighing each raw material accordi...

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PUM

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Abstract

The invention discloses an irradiation-resistant melt-blown grade polypropylene composite material as well as a preparation method and application thereof. The polypropylene composite material comprises the following raw materials in percentage by mass: 90-95% of polypropylene; 3-8% of polyethylene; 1.5-3% of triallyl isocyanurate; 0.1-2% of an ultraviolet absorber; 0.01-0.5% of a light stabilizer; and 0.01-0.5% of an antioxidant. The preparation method comprises the following steps of: mixing the raw materials according to the formula, carrying out melt extrusion, and granulating. The invention also discloses application of the composite material in preparation of polypropylene melt-blown non-woven fabrics. The composite material provided by the invention has excellent and appropriate fluidity while realizing irradiation resistance, and is suitable for polypropylene melt-blown non-woven fabrics sterilized by irradiation.

Description

technical field [0001] The invention belongs to the technical field of melt-blown polypropylene, and in particular relates to a radiation-resistant melt-blown polypropylene composite material and its preparation method and application. Background technique [0002] Polypropylene is a macromolecular polymer obtained by addition reaction of propylene monomer under the action of a catalyst. It is a general-purpose plastic with wide application. Due to the advantages of low price, convenient processing and good mechanical properties, polypropylene is widely used in the fields of medical equipment, electronic appliances and daily necessities. With the development of industry, meltblown non-woven fabrics (the meltblown method of meltblown fabrics refers to that after the high polymer is melted by a screw extruder, it is blown by a high-temperature airflow at a certain speed to make the melt fine stream receive extreme It is a processing technology that stretches to form ultrafine ...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L23/06C08L67/02C08K5/3475C08K5/13C08K5/3492D01F6/46D01F1/10D04H1/544D04H1/56
CPCC08L23/12D01F6/46D01F1/106D01F1/10D04H1/544D04H1/56C08L2201/08C08L2203/12C08L2205/03
Inventor 尹玉吉崔磊胡江涛邢哲吴国忠王贵超
Owner 中国同辐股份有限公司
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