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Anti-stress whitening transparent filling master batch for polypropylene and preparation method thereof

A technology of anti-stress whitening and filling masterbatch, applied in the polymer field, can solve the problems of low smoothness and wear resistance, whitening, affecting product transparency, etc., to improve smoothness and wear resistance, reduce Manufacturing cost, effect of good application value

Inactive Publication Date: 2018-01-30
ANHUI JIHONG MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the deficiencies of the above-mentioned prior art, the purpose of the present invention is to solve the problem that the smoothness and wear resistance of the product surface in the prior art are not high, moisture absorption, and when the filling amount is large, the transparency of the product will be affected, and the product will appear under the impact of external force. Problems such as whitening phenomenon, for this reason, the present invention provides a kind of anti-stress whitening transparent filling master batch for polypropylene and its preparation method

Method used

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  • Anti-stress whitening transparent filling master batch for polypropylene and preparation method thereof
  • Anti-stress whitening transparent filling master batch for polypropylene and preparation method thereof

Examples

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Effect test

Embodiment 1

[0030] A kind of anti-stress whitening transparent filling master batch for polypropylene, the raw materials used are respectively 23Kg of polypropylene, 55Kg of 1250 mesh transparent powder, 12Kg of polysiloxane, 1Kg of organic carboxylate nucleating agent according to weight percentage, Compatibilizer 8Kg, methacryloxypropyltrimethoxysilane 0.6Kg, antioxidant 0.4Kg.

[0031] The preparation method of producing above-mentioned filler masterbatch is as follows:

[0032] S1. Weigh 23Kg of polypropylene with the weight ratio, 55Kg of 1250 mesh transparent powder, 12Kg of polysiloxane, 1Kg of organic carboxylate nucleating agent, 8Kg of compatibilizer, methacryloxypropyl trimethoxy Silane 0.6Kg, antioxidant 0.4Kg as raw materials.

[0033] S2. Add 1250-mesh transparent powder into the high-speed mixer, and add methacryloxypropyltrimethoxysilane to the mixer under high-speed stirring at a temperature of 75°C to mix with the 1250-mesh transparent powder. Surface modification of m...

Embodiment 2

[0039] A kind of anti-stress whitening transparent filling masterbatch for polypropylene, the raw materials used are respectively 18Kg of polypropylene, 60Kg of 1250 mesh transparent powder, 10Kg of polysiloxane, 1Kg of organic carboxylate nucleating agent according to weight percentage, Compatibilizer 10Kg, glycidyl etheroxypropyl trimethoxysilane 0.5Kg, antioxidant 0.5Kg.

[0040] S2. Add the 1250-mesh transparent powder into the high-speed mixer, control the temperature within the range of 85°C and add glycidyl etheroxypropyl trimethoxysilane into the mixer and mix with the transparent powder under high-speed stirring to modify the surface of the transparent powder. properties, the high-speed stirring time is 15-30 minutes; then cool down to room temperature and set aside;

[0041] S3, add polypropylene, polysiloxane, surface-treated transparent powder, compatibilizer, organic carboxylate nucleating agent and antioxidant in turn, and then make it mix evenly under high-speed...

Embodiment 3

[0045]A stress-resistant whitening transparent filler masterbatch for polypropylene, the raw materials used are 18Kg of polypropylene, 55Kg of 1500-mesh transparent powder, 13Kg of polysiloxane, and 1Kg of sorbitol nucleating agent according to weight percentage. Compatibilizer 9Kg, glycidyl etheroxypropyl trimethoxysilane 0.55Kg, antioxidant 0.45Kg.

[0046] The preparation method of producing above-mentioned filler masterbatch is as follows:

[0047] S1. Weigh 18Kg of polypropylene, 55Kg of 1500 mesh transparent powder, 13Kg of polysiloxane, 1Kg of sorbitol nucleating agent, 9Kg of compatibilizer, and 0.55 of glycidyl etheroxypropyl trimethoxysilane in the weight ratio. Kg, antioxidant 0.45Kg as raw material.

[0048] S2. Add the 1500-mesh transparent powder into the high-speed mixer, and control the temperature within the range of 78°C. Under high-speed stirring, add glycidyl etheroxypropyl trimethoxysilane into the mixer and mix with the 1500-mesh transparent powder. It i...

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Abstract

The invention discloses an anti-stress whitening transparent filling master batch for polypropylene and a preparation method thereof. The baster batch is prepared from the following raw materials in percentage by weight: 15 to 25 percent of polypropylene, 50 to 65 percent of transparent powder, 10 to 15 percent of polysiloxane, 0.5 to 1 percent of nucleating agents, 8 to 10 percent of compatilizers, 0.5 to 1 percent of coupling agents and 0.5 to 1 percent of antioxidants. The raw materials are weighed according to the mixture ratio; the transparent powder is added into a high-speed material mixing machine; the coupling agents are added into the material mixing machine to be mixed with the transparent powder; the polypropylene, the polysiloxane, transparent powder subjected to surface treatment, compatilizers, nucleating agents and antioxidants are sequentially added; stirring is performed so that the materials are uniformly mixed; the mixed materials are added into a double-screw extrusion machine to be extruded into strip-shaped articles; the master batch is obtained after the cooling. The anti-stress whitening transparent filling master batch has the advantages that the product surface smoothness and wear-resistance can be improved; the moisture absorption is avoided; the filling quantity is great; the transparency of the product is not influenced; the product manufacturing cost can be favorably reduced; good application values are realized.

Description

technical field [0001] The invention relates to the technical field of polymers, in particular to an anti-stress whitening transparent filler master batch for polypropylene and a preparation method thereof. Background technique [0002] Polypropylene is widely used in the automotive industry, household appliances, electronics, agriculture, construction packaging, and building materials and furniture due to its excellent performance. The development of application fields such as transparent packaging and daily necessities is restricted. After transparent modification, polypropylene PP can not only inherit its advantages of light weight, low price, hygiene, high temperature resistance, and easy processing and molding, but also has the advantages of transparency and surface gloss. Comparable to some other transparent resins (polycarbonate PC, polystyrene PS, etc.), the performance-price ratio is also better than PC, PS, PET, etc., so it can be widely used in transparent packagi...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L83/04C08J3/22B29B9/06B29C47/60
Inventor 陈海何修文袁婷
Owner ANHUI JIHONG MATERIAL TECH
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