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Anti-impacting anti-ageing modified polypropylene material and preparation method thereof

A polypropylene material and anti-aging technology, which is applied in the field of preparation of new impact-resistant and anti-aging polypropylene materials, can solve the problems of reduced mechanical properties such as tensile strength, loss of gloss, poor low-temperature impact performance, etc., and achieve physical and mechanical properties and Improved thermo-oxidative aging resistance, simple process, and high efficiency

Inactive Publication Date: 2014-04-16
长沙达联塑料有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The pure polypropylene resin material has poor impact resistance, especially at low temperature.
In addition, because the tertiary carbon atoms on the polypropylene molecular chain are prone to aging under the action of ultraviolet rays, oxygen, light, and heat, the mechanical properties such as surface cracks, gloss loss, impact strength, and tensile strength are greatly reduced.

Method used

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  • Anti-impacting anti-ageing modified polypropylene material and preparation method thereof

Examples

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Embodiment Construction

[0028] In order to better understand the present invention, examples are given in detail.

[0029] As shown in Table 1, the polypropylene resin used in this example is Daqing Petrochemical T30S Jun polypropylene with a melt index of 3, and the talc powder is commercially available 1600 mesh talc powder, which is dried at 100°C-110°C for 2 hours It is obtained by adding the coupling agent KH792 according to the specified ratio. The antioxidant is lrganox1010, the light stabilizer is Tinuvin 770, the ultraviolet absorber is UV-531, the toughening agent is American Dow POE8150, and the compatibilizer is commercially available maleic acid rod grafted PP.

[0030] Dry the polypropylene resin at 75°C-85°C for 4-6 hours, then add talc powder, antioxidant 1010, Tinuvin 770, UV-531, POE Dow 8150, maleic anhydride grafted PP according to the ratio specified in Table 1 The raw materials are mixed in a high-speed mixer for 10 minutes, put into a twin-screw extruder, extruded, drawn, air...

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Abstract

The invention relates to an anti-impacting anti-ageing modified polypropylene material and a preparation method thereof and aims at providing the anti-impacting anti-ageing modified polypropylene material which has basic physical characteristics of polypropylene and simultaneously has improved anti-impacting performance and good anti-ageing performance. The material comprises, by weight, 65-85% of polypropylene, 5-25% of inorganic fillers, 0.3-1.5% of antioxidant, 0.2-1.0% of light stabilizer, 0.2-1.0% of ultraviolet absorber, 5-15% of flexibilizer, 5-15% of compatilizer and 0.2-1.0% of coupling agent. Experiment results show that the material can achieve the purposes, and products can be widely applied to the fields such as electronics and electrics, automobile and household appliances, communication devices and building materials.

Description

technical field [0001] The invention relates to the technical field of modification of plastic polymer materials, in particular to the preparation of a novel impact-resistant and aging-resistant polypropylene material. Background technique [0002] Polypropylene is a thermoplastic with low density, high surface hardness, good heat resistance, chemical stability, and good insulation. It is widely used in various fields of production and life. Especially in the field of automobile and construction, it is more widely used. However, pure polypropylene resin materials have poor impact resistance, especially low temperature impact properties. In addition, because the tertiary carbon atoms on the polypropylene molecular chain are prone to aging under the action of ultraviolet rays, oxygen, light, and heat, the mechanical properties such as surface cracks, gloss loss, impact strength, and tensile strength of the product are greatly reduced. This limits the application of PP in the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/12C08K13/06C08K9/06C08K9/04C08K3/34C08K5/134C08K5/524C08K5/3475C08K5/07C08L23/08C08L51/06B29B9/06B29B13/06B29C47/92B29C48/92
CPCB29C48/40B29C48/92B29C2948/9259B29C2948/92704B29C2948/92885B29C2948/92895
Inventor 陈建生
Owner 长沙达联塑料有限公司
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