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Nickel-maleate-grafted polypropylene ionomer as well as preparation method and application thereof

A technology of grafting polypropylene and nickel maleate, which is applied in the field of nickel maleate grafted polypropylene ionomer and its preparation, can solve the problems of not fully utilizing the comprehensive properties of the ionomer, and achieve improved strength and mold The effect of improving the amount, improving compatibility, and improving weather resistance

Active Publication Date: 2015-03-18
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This patent only discloses the use of ionomers to prepare multilayer films, but does not make full use of the excellent comprehensive properties of ionomers

Method used

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  • Nickel-maleate-grafted polypropylene ionomer as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Weigh 90 parts of homopolypropylene, 0.5 part of cumene peroxide, 10 parts of nickel maleate, 0.1 part of antioxidant 1010, and 0.1 part of styrene according to the weight ratio, put them into a high-speed mixer, and seal After putting the lid on, turn on the mixer, adjust the rotating speed to be 1000rpm and stir for 5 minutes, then put the evenly stirred mixture into the twin-screw extruder, melt and extrude it, and after water cooling, cut it into particles with a length of 3mm by a pelletizer to obtain Nickel maleate grafted polypropylene ionomer. Among them, the processing temperature of the extruder is 180°C, 195°C, 200°C, 200°C, 205°C from the feeding port to the die port in sequence, the main engine speed is 60rpm, and the vacuum degree is 0.3MPa.

[0044] ?Weigh 0.1 part of the above-mentioned nickel maleate grafted polypropylene ionomer, 90 parts of polypropylene, 10 parts of alkali-free chopped glass fiber 305K, and 2 parts of antioxidant 1010 according to th...

Embodiment 2

[0047] Weigh 95 parts of homopolypropylene, 0.1 part of cumene peroxide, and 5 parts of nickel maleate by weight; 0.2 part of antioxidant 1010, 0.2 part of antioxidant 168, and 0.3 part of styrene , put it into a high-speed mixer, close the upper cover, turn on the mixer, adjust the speed to 1000rpm and stir for 5 minutes, then put the evenly stirred mixture into the twin-screw extruder, melt and extrude, and after water cooling, cut into pellets Particles with a length of 1 mm were grown to obtain a nickel maleate grafted polypropylene ionomer. Among them, the processing temperature of the extruder is 180°C, 195°C, 200°C, 200°C, 205°C from the feeding port to the die port in sequence, the main engine speed is 70rpm, and the vacuum degree is 0.3MPa.

[0048] ?Weigh 1 part of the above-mentioned nickel maleate grafted polypropylene ionomer, 80 parts of polypropylene, 20 parts of alkali-free chopped glass fiber 305K, and 2 parts of antioxidant 1010 according to the weight ratio....

Embodiment 3

[0051] Weigh 100 parts of homopolypropylene, 0.3 part of cumene peroxide, 0.2 part of diisononanoyl peroxide, 10 parts of nickel maleate by weight; 0.1 part of antioxidant 1010, and 0.1 part of antioxidant 168 is 0.2 parts, styrene is 0.3 parts, put it into a high-speed mixer, close the lid, turn on the mixer, adjust the rotation speed to 1000rpm and stir for 5 minutes, then put the evenly stirred mixture into the twin-screw extruder, and melt and extrude , After water cooling, cut into particles with a length of 2mm by a pelletizer to obtain a nickel maleate grafted polypropylene ionomer. Among them, the processing temperature of the extruder is 180°C, 195°C, 200°C, 200°C, 205°C from the feeding port to the die port in sequence, the main engine speed is 80rpm, and the vacuum degree is 0.3MPa.

[0052] ?Weigh 5 parts of nickel maleate grafted polypropylene ionomer prepared above, 70 parts of polypropylene, 30 parts of alkali-free chopped glass fiber 305K, 2 parts of antioxidan...

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Abstract

The invention discloses a nickel-maleate-grafted polypropylene ionomer as well as a preparation method and an application thereof. The nickel-maleate-grafted polypropylene ionomer is prepared by adding and melting polypropylene, an initiator, nickel maleate, an antioxidant and a grafted additive in parts by weight in an extruder. The preparation method of the ionomer is simple and free of secondary pollution, and the ionomer has multiple functions of nucleation and compatibilization; in glass fiber reinforced system, the compatibility of the glass fiber and a matrix can be increased and meanwhile, the weather resistance of the system can be improved; and in a filling system, the compatibility of the powder and a matrix can be increased and meanwhile, the strength and modulus of the material can also be improved. By modifying glass fiber reinforced polypropylene or inorganic filler polypropylene with the ionomer, the flexural modulus, tensile strength and notch impact strength of a composite material can be improved and the weather resistance of the material can be increased by virtue of the chelated metal ions.

Description

technical field [0001] The invention belongs to the technical field of polymer composite materials, and in particular relates to a nickel maleate grafted polypropylene ionomer and a preparation method and application thereof. [0002] technical background [0003] Ionic polymers are referred to as ionomers, also known as ionomers, which refer to macromolecular main chains containing a small amount of ionizable groups (the molar content of ionic groups is not more than 15%), and are partially neutralized by metal ions Or fully neutralized salt-forming polymers. Since ionomers have metal ionic bonds in addition to covalent bonds, they can "apparently cross-link" adjacent polymers, and the polarities of ionic groups and hydrocarbon main chains are very different, the general tendency In the formation of its enriched region - ion clusters. [0004] Nickel maleate grafted polypropylene ionomer molecules contain non-polar macromolecular chain polypropylene structure, while c...

Claims

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Application Information

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IPC IPC(8): C08F255/02C08F222/02C08F2/44C08L51/06C08L23/12
Inventor 杨桂生汪海石允慧
Owner HEFEI GENIUS NEW MATERIALS
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