Preparation method of oil-stain-resistant polypropylene plastic

A polypropylene plastic, oil-resistant technology, applied in the field of polypropylene plastic modification with oil-resistant surface, polypropylene modification, can solve the problems of difficult to clean, easy to be stained with oil, easy to be contaminated by kitchen oil, etc., and achieve low surface energy. , The preparation process is simple, and the effect of anti-oil pollution is long.

Pending Publication Date: 2021-06-11
摩特卡(杭州)进出口贸易有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved in the present invention is that common polypropylene kitchen utensils are easily stained by kitchen oil and difficult to clean, and a pr

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1, a kind of preparation method of anti-oil pollution polypropylene plastic, adopts the polypropylene that grade is T30S, polydimethylsiloxane Dow Corning-200, the polypropylene of maleic anhydride graft, the nanometer of particle diameter D50≤100nm Calcium carbonate particles and black masterbatch are mixed at high speed according to the mass ratio of 80:5:3:10:2, then added to the twin-screw extruder, melted and kneaded at 160~180°C for granulation; Good particles are put into the injection molding machine for injection molding, the injection temperature is set at 220°C, the cooling time is 10 seconds, and the mold temperature is 60°C.

[0023] According to the corresponding national standard, the injection molded sample is tested, and the surface tension of the oil-resistant polypropylene prepared in this example is 21.5mN / m; the tensile strength is 45MPa, the bending strength is 52MPa, and the notched impact strength is 15KJ / m 2 .

Embodiment 2

[0024] Embodiment 2, a kind of preparation method of oil-stain-resistant polypropylene plastic, adopting the grade is the polypropylene of T30S, organosilicon resin MB50, the polypropylene of maleic anhydride grafting, particle diameter D50≤100nm nano-calcium carbonate particle and red masterbatch The granules are mixed at high speed according to the mass ratio of 80:5:3:10:2 and then added to the twin-screw extruder, melted and kneaded at 160~180°C for granulation; finally, the prepared granules are added to the injection molding machine For medium injection molding, the injection temperature is set at 220°C, the cooling time is 10 seconds, and the mold temperature is 60°C.

[0025] According to the corresponding national standard, the injection molded sample is tested, and the surface tension of the oil-resistant polypropylene prepared in this example is 22.8mN / m; the tensile strength is 47MPa, the bending strength is 59MPa, and the notched impact strength is 13KJ / m 2 .

Embodiment 3

[0026] Embodiment 3, a kind of preparation method of oil-stain-resistant polypropylene plastic, adopting the grade is the polypropylene of T30S, polydimethylsiloxane Dow Corning-200, particle diameter D50≤100nm nano-calcium carbonate particles and white masterbatch according to quality The ratio is 83:5:10:2, mixed at high speed and then added to the twin-screw extruder, melted and kneaded at 160~180°C for granulation; finally, put the prepared granules into the injection molding machine for injection molding, injection molding The temperature is set at 220°C, the cooling time is 10 seconds, and the mold temperature is 60°C.

[0027] According to the corresponding national standards, the injection molded samples were tested. The surface tension of the oil-resistant polypropylene prepared in this example was 27.5mN / m; the tensile strength was 25MPa, the bending strength was 33MPa, and the notched impact strength was 7KJ / m 2 .

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Abstract

The invention discloses a preparation method of oil-stain-resistant polypropylene plastic. Organic silicon resin with low surface energy is subjected to graft modification and then is subjected to melt blending with polypropylene resin to prepare anoil-stain-resistant polypropylene-based composite material for kitchens. The polypropylene-based composite material has relatively low surface tension, and can achieve the purpose of oil stain resistance when being used for preparing kitchen utensils; meanwhile, the surface of the product becomes more glossy, the wear resistance is also improved, and the service life of the product is prolonged; and the composite material is easy to clean, environmentally friendly, and practical.

Description

technical field [0001] The invention relates to the field of polypropylene modification, in particular to the technical field of surface oil-resistant polypropylene plastic modification. Background technique [0002] As a general-purpose plastic, polypropylene (PP) has been widely used in chemical industry, chemical fiber, construction, light industry, etc. , automobiles, home appliances, packaging materials and other fields, and are constantly expanding new application fields. In particular, the PP molecular chain does not contain halogen atoms, is non-toxic, heat-resistant, and has good rigidity. When its products are used as kitchen utensils, they have already had a wide range of applications. However, due to the special use environment of the kitchen, PP products are easily contaminated by oil, which not only brings trouble when cleaning kitchen utensils, but also harms the human body in the long run. At present, the commonly used anti-oil method for polypropylene kitc...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L51/06C08L83/04C08K9/06C08K3/26B29B9/06
CPCB29B9/06C08K2003/265C08K2201/005C08K2201/011C08L23/12C08L2205/03C08L51/06C08L83/04C08K9/06C08K3/26
Inventor 刘威锋钮博翔张晓军
Owner 摩特卡(杭州)进出口贸易有限公司
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